diff --git a/.github/workflows/go.yaml b/.github/workflows/go.yaml index 11fc877..0ea81d6 100644 --- a/.github/workflows/go.yaml +++ b/.github/workflows/go.yaml @@ -2,26 +2,25 @@ name: Go on: push: - branches: [ "main" ] + branches: ["main"] pull_request: - branches: [ "main" ] + branches: ["main"] jobs: - build: runs-on: ubuntu-latest steps: - - uses: actions/checkout@v4 - - name: Set up Go - uses: actions/setup-go@v5 - with: - go-version: '1.22' + - uses: actions/checkout@v4 + - name: Set up Go + uses: actions/setup-go@v5 + with: + go-version: "1.22" - - name: Build - run: go build -v ./... + - name: Build + run: go build -v ./... - - name: Test - run: go test -v ./... + - name: Test + run: go test -v ./... lint: runs-on: ubuntu-latest @@ -33,6 +32,7 @@ jobs: - name: golangci-lint uses: golangci/golangci-lint-action@v6 with: - version: v1.58 + version: v1.61 # temporary until current issues in the repo are fixed - only-new-issues: true \ No newline at end of file + only-new-issues: true + diff --git a/examples/http-server/.gitignore b/examples/http-server/.gitignore new file mode 100644 index 0000000..0c621a7 --- /dev/null +++ b/examples/http-server/.gitignore @@ -0,0 +1,2 @@ +http-server +/build diff --git a/examples/http-server/README.md b/examples/http-server/README.md new file mode 100644 index 0000000..1ff18bf --- /dev/null +++ b/examples/http-server/README.md @@ -0,0 +1,48 @@ +# http-server + +This example demonstrates how to forward requests to components exporting `wasi:http/incoming-handler`. + +It starts a http server listening on port 8080 containing 2 routes: + +- `/proxy`: Forwards the request to the component `http-component` +- `/`: Serve the request directly from the provider + +# Internals + +Proxying uses a custom `http.RoundTripper` implementation that forwards requests to the component. +In this example we forward to a single target ( `http-http_component` ). + +```go +transport := wrpchttp.NewIncomingRoundTripper(wasmcloudprovider, wrpchttp.WithSingleTarget("http-http_component")) + +wasiIncomingClient := &http.Client{ + Transport: transport, +} + +wasiIncomingClient.Get("http://localhost:8080/proxy") +``` + +You can also provide a custom `Director` function to select the target based on the request. + +```go +func director(r *http.Request) string { + if r.URL.Host == "api" { + return "http-api" + } + return "http-ui" +}) + + +transport := wrpchttp.NewIncomingRoundTripper(wasmcloudprovider, wrpchttp.WithDirector(director)) + +wasiIncomingClient := &http.Client{ + Transport: transport, +} + +// forward to http-api component +wasiIncomingClient.Get("http://api/users") + +// forward to http-ui component +wasiIncomingClient.Get("http://ui/index.html") +wasiIncomingClient.Get("http://anyothername/index.html") +``` diff --git a/examples/http-server/bindings/server.wrpc.go b/examples/http-server/bindings/server.wrpc.go new file mode 100644 index 0000000..5bb27a5 --- /dev/null +++ b/examples/http-server/bindings/server.wrpc.go @@ -0,0 +1,3 @@ +// Generated by `wit-bindgen-wrpc-go` 0.8.0. DO NOT EDIT! +// server package contains wRPC bindings for `server` world +package server diff --git a/examples/http-server/bindings/wasi/clocks/monotonic_clock/bindings.wrpc.go b/examples/http-server/bindings/wasi/clocks/monotonic_clock/bindings.wrpc.go new file mode 100644 index 0000000..052f4c3 --- /dev/null +++ b/examples/http-server/bindings/wasi/clocks/monotonic_clock/bindings.wrpc.go @@ -0,0 +1,286 @@ +// Generated by `wit-bindgen-wrpc-go` 0.8.0. DO NOT EDIT! +package monotonic_clock + +import ( + bytes "bytes" + context "context" + binary "encoding/binary" + errors "errors" + fmt "fmt" + wasi__io__poll "github.com/wasmCloud/provider-sdk-go/examples/http-server/bindings/wasi/io/poll" + io "io" + slog "log/slog" + utf8 "unicode/utf8" + wrpc "wrpc.io/go" +) + +type Pollable = wasi__io__poll.Pollable + +// An instant in time, in nanoseconds. An instant is relative to an +// unspecified initial value, and can only be compared to instances from +// the same monotonic-clock. +type Instant = uint64 + +// A duration of time, in nanoseconds. +type Duration = uint64 + +// Read the current value of the clock. +// +// The clock is monotonic, therefore calling this function repeatedly will +// produce a sequence of non-decreasing values. +func Now(ctx__ context.Context, wrpc__ wrpc.Invoker) (r0__ uint64, err__ error) { + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:clocks/monotonic-clock@0.2.0", "now", nil) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `now`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:clocks/monotonic-clock@0.2.0", "name", "now", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:clocks/monotonic-clock@0.2.0", "name", "now", "err", cErr__) + } + r0__, err__ = func() (Instant, error) { + v, err := func(r io.ByteReader) (uint64, error) { + var x uint64 + var s uint8 + for i := 0; i < 10; i++ { + slog.Debug("reading u64 byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u64 byte: %w", err) + } + if s == 63 && b > 0x01 { + return x, errors.New("varint overflows a 64-bit integer") + } + if b < 0x80 { + return x | uint64(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u64 byte: %w", err) + } + if s == 63 && b > 0x01 { + return x, errors.New("varint overflows a 64-bit integer") + } + if b < 0x80 { + return x | uint64(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(payload, w) + if err != nil { + return nil, fmt.Errorf("failed to write payload: %w", err) + } + + if write != nil { + return func(w wrpc.IndexWriter) error { + w, err := w.Index(9) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + return write(w) + }, nil + } + default: + return nil, errors.New("invalid variant") + } + return nil, nil +} + +// This type corresponds to HTTP standard Related Schemes. +type Scheme struct { + payload any + discriminant SchemeDiscriminant +} + +func (v *Scheme) Discriminant() SchemeDiscriminant { return v.discriminant } + +type SchemeDiscriminant uint8 + +const ( + SchemeHttp SchemeDiscriminant = 0 + SchemeHttps SchemeDiscriminant = 1 + SchemeOther SchemeDiscriminant = 2 +) + +func (v *Scheme) String() string { + switch v.discriminant { + case SchemeHttp: + return "HTTP" + case SchemeHttps: + return "HTTPS" + case SchemeOther: + return "other" + default: + panic("invalid variant") + } +} +func (v *Scheme) GetHttp() (ok bool) { + if ok = (v.discriminant == SchemeHttp); !ok { + return + } + return +} +func (v *Scheme) SetHttp() *Scheme { + v.discriminant = SchemeHttp + v.payload = nil + return v +} +func NewSchemeHttp() *Scheme { + return (&Scheme{}).SetHttp() +} +func (v *Scheme) GetHttps() (ok bool) { + if ok = (v.discriminant == SchemeHttps); !ok { + return + } + return +} +func (v *Scheme) SetHttps() *Scheme { + v.discriminant = SchemeHttps + v.payload = nil + return v +} +func NewSchemeHttps() *Scheme { + return (&Scheme{}).SetHttps() +} +func (v *Scheme) GetOther() (payload string, ok bool) { + if ok = (v.discriminant == SchemeOther); !ok { + return + } + payload, ok = v.payload.(string) + return +} +func (v *Scheme) SetOther(payload string) *Scheme { + v.discriminant = SchemeOther + v.payload = payload + return v +} +func NewSchemeOther(payload string) *Scheme { + return (&Scheme{}).SetOther( + payload) +} +func (v *Scheme) WriteToIndex(w wrpc.ByteWriter) (func(wrpc.IndexWriter) error, error) { + if err := func(v uint8, w io.Writer) error { + b := make([]byte, 2) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing u8 discriminant") + _, err := w.Write(b[:i]) + return err + }(uint8(v.discriminant), w); err != nil { + return nil, fmt.Errorf("failed to write discriminant: %w", err) + } + switch v.discriminant { + case SchemeHttp: + case SchemeHttps: + case SchemeOther: + payload, ok := v.payload.(string) + if !ok { + return nil, errors.New("invalid payload") + } + write, err := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(payload, w) + if err != nil { + return nil, fmt.Errorf("failed to write payload: %w", err) + } + + if write != nil { + return func(w wrpc.IndexWriter) error { + w, err := w.Index(2) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + return write(w) + }, nil + } + default: + return nil, errors.New("invalid variant") + } + return nil, nil +} + +// Defines the case payload type for `DNS-error` above: +type DnsErrorPayload struct { + Rcode *string + InfoCode *uint16 +} + +func (v *DnsErrorPayload) String() string { return "DnsErrorPayload" } + +func (v *DnsErrorPayload) WriteToIndex(w wrpc.ByteWriter) (func(wrpc.IndexWriter) error, error) { + writes := make(map[uint32]func(wrpc.IndexWriter) error, 2) + slog.Debug("writing field", "name", "rcode") + write0, err := func(v *string, w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(*v, w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(v.Rcode, w) + if err != nil { + return nil, fmt.Errorf("failed to write `rcode` field: %w", err) + } + if write0 != nil { + writes[0] = write0 + } + slog.Debug("writing field", "name", "info-code") + write1, err := func(v *uint16, w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := (func(wrpc.IndexWriter) error)(nil), func(v uint16, w io.Writer) (err error) { + b := make([]byte, binary.MaxVarintLen16) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing u16") + _, err = w.Write(b[:i]) + return err + }(*v, w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(v.InfoCode, w) + if err != nil { + return nil, fmt.Errorf("failed to write `info-code` field: %w", err) + } + if write1 != nil { + writes[1] = write1 + } + + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil +} + +// Defines the case payload type for `TLS-alert-received` above: +type TlsAlertReceivedPayload struct { + AlertId *uint8 + AlertMessage *string +} + +func (v *TlsAlertReceivedPayload) String() string { return "TlsAlertReceivedPayload" } + +func (v *TlsAlertReceivedPayload) WriteToIndex(w wrpc.ByteWriter) (func(wrpc.IndexWriter) error, error) { + writes := make(map[uint32]func(wrpc.IndexWriter) error, 2) + slog.Debug("writing field", "name", "alert-id") + write0, err := func(v *uint8, w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := (func(wrpc.IndexWriter) error)(nil), func(v uint8, w io.ByteWriter) error { + slog.Debug("writing u8 byte") + return w.WriteByte(v) + }(*v, w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(v.AlertId, w) + if err != nil { + return nil, fmt.Errorf("failed to write `alert-id` field: %w", err) + } + if write0 != nil { + writes[0] = write0 + } + slog.Debug("writing field", "name", "alert-message") + write1, err := func(v *string, w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(*v, w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(v.AlertMessage, w) + if err != nil { + return nil, fmt.Errorf("failed to write `alert-message` field: %w", err) + } + if write1 != nil { + writes[1] = write1 + } + + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil +} + +// Defines the case payload type for `HTTP-response-{header,trailer}-size` above: +type FieldSizePayload struct { + FieldName *string + FieldSize *uint32 +} + +func (v *FieldSizePayload) String() string { return "FieldSizePayload" } + +func (v *FieldSizePayload) WriteToIndex(w wrpc.ByteWriter) (func(wrpc.IndexWriter) error, error) { + writes := make(map[uint32]func(wrpc.IndexWriter) error, 2) + slog.Debug("writing field", "name", "field-name") + write0, err := func(v *string, w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(*v, w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(v.FieldName, w) + if err != nil { + return nil, fmt.Errorf("failed to write `field-name` field: %w", err) + } + if write0 != nil { + writes[0] = write0 + } + slog.Debug("writing field", "name", "field-size") + write1, err := func(v *uint32, w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := (func(wrpc.IndexWriter) error)(nil), func(v uint32, w io.Writer) (err error) { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing u32") + _, err = w.Write(b[:i]) + return err + }(*v, w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(v.FieldSize, w) + if err != nil { + return nil, fmt.Errorf("failed to write `field-size` field: %w", err) + } + if write1 != nil { + writes[1] = write1 + } + + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil +} + +// These cases are inspired by the IANA HTTP Proxy Error Types: +// https://www.iana.org/assignments/http-proxy-status/http-proxy-status.xhtml#table-http-proxy-error-types +type ErrorCode struct { + payload any + discriminant ErrorCodeDiscriminant +} + +func (v *ErrorCode) Discriminant() ErrorCodeDiscriminant { return v.discriminant } + +type ErrorCodeDiscriminant uint8 + +const ( + ErrorCodeDnsTimeout ErrorCodeDiscriminant = 0 + ErrorCodeDnsError ErrorCodeDiscriminant = 1 + ErrorCodeDestinationNotFound ErrorCodeDiscriminant = 2 + ErrorCodeDestinationUnavailable ErrorCodeDiscriminant = 3 + ErrorCodeDestinationIpProhibited ErrorCodeDiscriminant = 4 + ErrorCodeDestinationIpUnroutable ErrorCodeDiscriminant = 5 + ErrorCodeConnectionRefused ErrorCodeDiscriminant = 6 + ErrorCodeConnectionTerminated ErrorCodeDiscriminant = 7 + ErrorCodeConnectionTimeout ErrorCodeDiscriminant = 8 + ErrorCodeConnectionReadTimeout ErrorCodeDiscriminant = 9 + ErrorCodeConnectionWriteTimeout ErrorCodeDiscriminant = 10 + ErrorCodeConnectionLimitReached ErrorCodeDiscriminant = 11 + ErrorCodeTlsProtocolError ErrorCodeDiscriminant = 12 + ErrorCodeTlsCertificateError ErrorCodeDiscriminant = 13 + ErrorCodeTlsAlertReceived ErrorCodeDiscriminant = 14 + ErrorCodeHttpRequestDenied ErrorCodeDiscriminant = 15 + ErrorCodeHttpRequestLengthRequired ErrorCodeDiscriminant = 16 + ErrorCodeHttpRequestBodySize ErrorCodeDiscriminant = 17 + ErrorCodeHttpRequestMethodInvalid ErrorCodeDiscriminant = 18 + ErrorCodeHttpRequestUriInvalid ErrorCodeDiscriminant = 19 + ErrorCodeHttpRequestUriTooLong ErrorCodeDiscriminant = 20 + ErrorCodeHttpRequestHeaderSectionSize ErrorCodeDiscriminant = 21 + ErrorCodeHttpRequestHeaderSize ErrorCodeDiscriminant = 22 + ErrorCodeHttpRequestTrailerSectionSize ErrorCodeDiscriminant = 23 + ErrorCodeHttpRequestTrailerSize ErrorCodeDiscriminant = 24 + ErrorCodeHttpResponseIncomplete ErrorCodeDiscriminant = 25 + ErrorCodeHttpResponseHeaderSectionSize ErrorCodeDiscriminant = 26 + ErrorCodeHttpResponseHeaderSize ErrorCodeDiscriminant = 27 + ErrorCodeHttpResponseBodySize ErrorCodeDiscriminant = 28 + ErrorCodeHttpResponseTrailerSectionSize ErrorCodeDiscriminant = 29 + ErrorCodeHttpResponseTrailerSize ErrorCodeDiscriminant = 30 + ErrorCodeHttpResponseTransferCoding ErrorCodeDiscriminant = 31 + ErrorCodeHttpResponseContentCoding ErrorCodeDiscriminant = 32 + ErrorCodeHttpResponseTimeout ErrorCodeDiscriminant = 33 + ErrorCodeHttpUpgradeFailed ErrorCodeDiscriminant = 34 + ErrorCodeHttpProtocolError ErrorCodeDiscriminant = 35 + ErrorCodeLoopDetected ErrorCodeDiscriminant = 36 + ErrorCodeConfigurationError ErrorCodeDiscriminant = 37 + // This is a catch-all error for anything that doesn't fit cleanly into a + // more specific case. It also includes an optional string for an + // unstructured description of the error. Users should not depend on the + // string for diagnosing errors, as it's not required to be consistent + // between implementations. + ErrorCodeInternalError ErrorCodeDiscriminant = 38 +) + +func (v *ErrorCode) String() string { + switch v.discriminant { + case ErrorCodeDnsTimeout: + return "DNS-timeout" + case ErrorCodeDnsError: + return "DNS-error" + case ErrorCodeDestinationNotFound: + return "destination-not-found" + case ErrorCodeDestinationUnavailable: + return "destination-unavailable" + case ErrorCodeDestinationIpProhibited: + return "destination-IP-prohibited" + case ErrorCodeDestinationIpUnroutable: + return "destination-IP-unroutable" + case ErrorCodeConnectionRefused: + return "connection-refused" + case ErrorCodeConnectionTerminated: + return "connection-terminated" + case ErrorCodeConnectionTimeout: + return "connection-timeout" + case ErrorCodeConnectionReadTimeout: + return "connection-read-timeout" + case ErrorCodeConnectionWriteTimeout: + return "connection-write-timeout" + case ErrorCodeConnectionLimitReached: + return "connection-limit-reached" + case ErrorCodeTlsProtocolError: + return "TLS-protocol-error" + case ErrorCodeTlsCertificateError: + return "TLS-certificate-error" + case ErrorCodeTlsAlertReceived: + return "TLS-alert-received" + case ErrorCodeHttpRequestDenied: + return "HTTP-request-denied" + case ErrorCodeHttpRequestLengthRequired: + return "HTTP-request-length-required" + case ErrorCodeHttpRequestBodySize: + return "HTTP-request-body-size" + case ErrorCodeHttpRequestMethodInvalid: + return "HTTP-request-method-invalid" + case ErrorCodeHttpRequestUriInvalid: + return "HTTP-request-URI-invalid" + case ErrorCodeHttpRequestUriTooLong: + return "HTTP-request-URI-too-long" + case ErrorCodeHttpRequestHeaderSectionSize: + return "HTTP-request-header-section-size" + case ErrorCodeHttpRequestHeaderSize: + return "HTTP-request-header-size" + case ErrorCodeHttpRequestTrailerSectionSize: + return "HTTP-request-trailer-section-size" + case ErrorCodeHttpRequestTrailerSize: + return "HTTP-request-trailer-size" + case ErrorCodeHttpResponseIncomplete: + return "HTTP-response-incomplete" + case ErrorCodeHttpResponseHeaderSectionSize: + return "HTTP-response-header-section-size" + case ErrorCodeHttpResponseHeaderSize: + return "HTTP-response-header-size" + case ErrorCodeHttpResponseBodySize: + return "HTTP-response-body-size" + case ErrorCodeHttpResponseTrailerSectionSize: + return "HTTP-response-trailer-section-size" + case ErrorCodeHttpResponseTrailerSize: + return "HTTP-response-trailer-size" + case ErrorCodeHttpResponseTransferCoding: + return "HTTP-response-transfer-coding" + case ErrorCodeHttpResponseContentCoding: + return "HTTP-response-content-coding" + case ErrorCodeHttpResponseTimeout: + return "HTTP-response-timeout" + case ErrorCodeHttpUpgradeFailed: + return "HTTP-upgrade-failed" + case ErrorCodeHttpProtocolError: + return "HTTP-protocol-error" + case ErrorCodeLoopDetected: + return "loop-detected" + case ErrorCodeConfigurationError: + return "configuration-error" + case ErrorCodeInternalError: + return "internal-error" + default: + panic("invalid variant") + } +} +func (v *ErrorCode) GetDnsTimeout() (ok bool) { + if ok = (v.discriminant == ErrorCodeDnsTimeout); !ok { + return + } + return +} +func (v *ErrorCode) SetDnsTimeout() *ErrorCode { + v.discriminant = ErrorCodeDnsTimeout + v.payload = nil + return v +} +func NewErrorCodeDnsTimeout() *ErrorCode { + return (&ErrorCode{}).SetDnsTimeout() +} +func (v *ErrorCode) GetDnsError() (payload DnsErrorPayload, ok bool) { + if ok = (v.discriminant == ErrorCodeDnsError); !ok { + return + } + payload, ok = v.payload.(DnsErrorPayload) + return +} +func (v *ErrorCode) SetDnsError(payload *DnsErrorPayload) *ErrorCode { + v.discriminant = ErrorCodeDnsError + v.payload = payload + return v +} +func NewErrorCodeDnsError(payload *DnsErrorPayload) *ErrorCode { + return (&ErrorCode{}).SetDnsError( + payload) +} +func (v *ErrorCode) GetDestinationNotFound() (ok bool) { + if ok = (v.discriminant == ErrorCodeDestinationNotFound); !ok { + return + } + return +} +func (v *ErrorCode) SetDestinationNotFound() *ErrorCode { + v.discriminant = ErrorCodeDestinationNotFound + v.payload = nil + return v +} +func NewErrorCodeDestinationNotFound() *ErrorCode { + return (&ErrorCode{}).SetDestinationNotFound() +} +func (v *ErrorCode) GetDestinationUnavailable() (ok bool) { + if ok = (v.discriminant == ErrorCodeDestinationUnavailable); !ok { + return + } + return +} +func (v *ErrorCode) SetDestinationUnavailable() *ErrorCode { + v.discriminant = ErrorCodeDestinationUnavailable + v.payload = nil + return v +} +func NewErrorCodeDestinationUnavailable() *ErrorCode { + return (&ErrorCode{}).SetDestinationUnavailable() +} +func (v *ErrorCode) GetDestinationIpProhibited() (ok bool) { + if ok = (v.discriminant == ErrorCodeDestinationIpProhibited); !ok { + return + } + return +} +func (v *ErrorCode) SetDestinationIpProhibited() *ErrorCode { + v.discriminant = ErrorCodeDestinationIpProhibited + v.payload = nil + return v +} +func NewErrorCodeDestinationIpProhibited() *ErrorCode { + return (&ErrorCode{}).SetDestinationIpProhibited() +} +func (v *ErrorCode) GetDestinationIpUnroutable() (ok bool) { + if ok = (v.discriminant == ErrorCodeDestinationIpUnroutable); !ok { + return + } + return +} +func (v *ErrorCode) SetDestinationIpUnroutable() *ErrorCode { + v.discriminant = ErrorCodeDestinationIpUnroutable + v.payload = nil + return v +} +func NewErrorCodeDestinationIpUnroutable() *ErrorCode { + return (&ErrorCode{}).SetDestinationIpUnroutable() +} +func (v *ErrorCode) GetConnectionRefused() (ok bool) { + if ok = (v.discriminant == ErrorCodeConnectionRefused); !ok { + return + } + return +} +func (v *ErrorCode) SetConnectionRefused() *ErrorCode { + v.discriminant = ErrorCodeConnectionRefused + v.payload = nil + return v +} +func NewErrorCodeConnectionRefused() *ErrorCode { + return (&ErrorCode{}).SetConnectionRefused() +} +func (v *ErrorCode) GetConnectionTerminated() (ok bool) { + if ok = (v.discriminant == ErrorCodeConnectionTerminated); !ok { + return + } + return +} +func (v *ErrorCode) SetConnectionTerminated() *ErrorCode { + v.discriminant = ErrorCodeConnectionTerminated + v.payload = nil + return v +} +func NewErrorCodeConnectionTerminated() *ErrorCode { + return (&ErrorCode{}).SetConnectionTerminated() +} +func (v *ErrorCode) GetConnectionTimeout() (ok bool) { + if ok = (v.discriminant == ErrorCodeConnectionTimeout); !ok { + return + } + return +} +func (v *ErrorCode) SetConnectionTimeout() *ErrorCode { + v.discriminant = ErrorCodeConnectionTimeout + v.payload = nil + return v +} +func NewErrorCodeConnectionTimeout() *ErrorCode { + return (&ErrorCode{}).SetConnectionTimeout() +} +func (v *ErrorCode) GetConnectionReadTimeout() (ok bool) { + if ok = (v.discriminant == ErrorCodeConnectionReadTimeout); !ok { + return + } + return +} +func (v *ErrorCode) SetConnectionReadTimeout() *ErrorCode { + v.discriminant = ErrorCodeConnectionReadTimeout + v.payload = nil + return v +} +func NewErrorCodeConnectionReadTimeout() *ErrorCode { + return (&ErrorCode{}).SetConnectionReadTimeout() +} +func (v *ErrorCode) GetConnectionWriteTimeout() (ok bool) { + if ok = (v.discriminant == ErrorCodeConnectionWriteTimeout); !ok { + return + } + return +} +func (v *ErrorCode) SetConnectionWriteTimeout() *ErrorCode { + v.discriminant = ErrorCodeConnectionWriteTimeout + v.payload = nil + return v +} +func NewErrorCodeConnectionWriteTimeout() *ErrorCode { + return (&ErrorCode{}).SetConnectionWriteTimeout() +} +func (v *ErrorCode) GetConnectionLimitReached() (ok bool) { + if ok = (v.discriminant == ErrorCodeConnectionLimitReached); !ok { + return + } + return +} +func (v *ErrorCode) SetConnectionLimitReached() *ErrorCode { + v.discriminant = ErrorCodeConnectionLimitReached + v.payload = nil + return v +} +func NewErrorCodeConnectionLimitReached() *ErrorCode { + return (&ErrorCode{}).SetConnectionLimitReached() +} +func (v *ErrorCode) GetTlsProtocolError() (ok bool) { + if ok = (v.discriminant == ErrorCodeTlsProtocolError); !ok { + return + } + return +} +func (v *ErrorCode) SetTlsProtocolError() *ErrorCode { + v.discriminant = ErrorCodeTlsProtocolError + v.payload = nil + return v +} +func NewErrorCodeTlsProtocolError() *ErrorCode { + return (&ErrorCode{}).SetTlsProtocolError() +} +func (v *ErrorCode) GetTlsCertificateError() (ok bool) { + if ok = (v.discriminant == ErrorCodeTlsCertificateError); !ok { + return + } + return +} +func (v *ErrorCode) SetTlsCertificateError() *ErrorCode { + v.discriminant = ErrorCodeTlsCertificateError + v.payload = nil + return v +} +func NewErrorCodeTlsCertificateError() *ErrorCode { + return (&ErrorCode{}).SetTlsCertificateError() +} +func (v *ErrorCode) GetTlsAlertReceived() (payload TlsAlertReceivedPayload, ok bool) { + if ok = (v.discriminant == ErrorCodeTlsAlertReceived); !ok { + return + } + payload, ok = v.payload.(TlsAlertReceivedPayload) + return +} +func (v *ErrorCode) SetTlsAlertReceived(payload *TlsAlertReceivedPayload) *ErrorCode { + v.discriminant = ErrorCodeTlsAlertReceived + v.payload = payload + return v +} +func NewErrorCodeTlsAlertReceived(payload *TlsAlertReceivedPayload) *ErrorCode { + return (&ErrorCode{}).SetTlsAlertReceived( + payload) +} +func (v *ErrorCode) GetHttpRequestDenied() (ok bool) { + if ok = (v.discriminant == ErrorCodeHttpRequestDenied); !ok { + return + } + return +} +func (v *ErrorCode) SetHttpRequestDenied() *ErrorCode { + v.discriminant = ErrorCodeHttpRequestDenied + v.payload = nil + return v +} +func NewErrorCodeHttpRequestDenied() *ErrorCode { + return (&ErrorCode{}).SetHttpRequestDenied() +} +func (v *ErrorCode) GetHttpRequestLengthRequired() (ok bool) { + if ok = (v.discriminant == ErrorCodeHttpRequestLengthRequired); !ok { + return + } + return +} +func (v *ErrorCode) SetHttpRequestLengthRequired() *ErrorCode { + v.discriminant = ErrorCodeHttpRequestLengthRequired + v.payload = nil + return v +} +func NewErrorCodeHttpRequestLengthRequired() *ErrorCode { + return (&ErrorCode{}).SetHttpRequestLengthRequired() +} +func (v *ErrorCode) GetHttpRequestBodySize() (payload *uint64, ok bool) { + if ok = (v.discriminant == ErrorCodeHttpRequestBodySize); !ok { + return + } + payload, ok = v.payload.(*uint64) + return +} +func (v *ErrorCode) SetHttpRequestBodySize(payload *uint64) *ErrorCode { + v.discriminant = ErrorCodeHttpRequestBodySize + v.payload = payload + return v +} +func NewErrorCodeHttpRequestBodySize(payload *uint64) *ErrorCode { + return (&ErrorCode{}).SetHttpRequestBodySize( + payload) +} +func (v *ErrorCode) GetHttpRequestMethodInvalid() (ok bool) { + if ok = (v.discriminant == ErrorCodeHttpRequestMethodInvalid); !ok { + return + } + return +} +func (v *ErrorCode) SetHttpRequestMethodInvalid() *ErrorCode { + v.discriminant = ErrorCodeHttpRequestMethodInvalid + v.payload = nil + return v +} +func NewErrorCodeHttpRequestMethodInvalid() *ErrorCode { + return (&ErrorCode{}).SetHttpRequestMethodInvalid() +} +func (v *ErrorCode) GetHttpRequestUriInvalid() (ok bool) { + if ok = (v.discriminant == ErrorCodeHttpRequestUriInvalid); !ok { + return + } + return +} +func (v *ErrorCode) SetHttpRequestUriInvalid() *ErrorCode { + v.discriminant = ErrorCodeHttpRequestUriInvalid + v.payload = nil + return v +} +func NewErrorCodeHttpRequestUriInvalid() *ErrorCode { + return (&ErrorCode{}).SetHttpRequestUriInvalid() +} +func (v *ErrorCode) GetHttpRequestUriTooLong() (ok bool) { + if ok = (v.discriminant == ErrorCodeHttpRequestUriTooLong); !ok { + return + } + return +} +func (v *ErrorCode) SetHttpRequestUriTooLong() *ErrorCode { + v.discriminant = ErrorCodeHttpRequestUriTooLong + v.payload = nil + return v +} +func NewErrorCodeHttpRequestUriTooLong() *ErrorCode { + return (&ErrorCode{}).SetHttpRequestUriTooLong() +} +func (v *ErrorCode) GetHttpRequestHeaderSectionSize() (payload *uint32, ok bool) { + if ok = (v.discriminant == ErrorCodeHttpRequestHeaderSectionSize); !ok { + return + } + payload, ok = v.payload.(*uint32) + return +} +func (v *ErrorCode) SetHttpRequestHeaderSectionSize(payload *uint32) *ErrorCode { + v.discriminant = ErrorCodeHttpRequestHeaderSectionSize + v.payload = payload + return v +} +func NewErrorCodeHttpRequestHeaderSectionSize(payload *uint32) *ErrorCode { + return (&ErrorCode{}).SetHttpRequestHeaderSectionSize( + payload) +} +func (v *ErrorCode) GetHttpRequestHeaderSize() (payload *FieldSizePayload, ok bool) { + if ok = (v.discriminant == ErrorCodeHttpRequestHeaderSize); !ok { + return + } + payload, ok = v.payload.(*FieldSizePayload) + return +} +func (v *ErrorCode) SetHttpRequestHeaderSize(payload *FieldSizePayload) *ErrorCode { + v.discriminant = ErrorCodeHttpRequestHeaderSize + v.payload = payload + return v +} +func NewErrorCodeHttpRequestHeaderSize(payload *FieldSizePayload) *ErrorCode { + return (&ErrorCode{}).SetHttpRequestHeaderSize( + payload) +} +func (v *ErrorCode) GetHttpRequestTrailerSectionSize() (payload *uint32, ok bool) { + if ok = (v.discriminant == ErrorCodeHttpRequestTrailerSectionSize); !ok { + return + } + payload, ok = v.payload.(*uint32) + return +} +func (v *ErrorCode) SetHttpRequestTrailerSectionSize(payload *uint32) *ErrorCode { + v.discriminant = ErrorCodeHttpRequestTrailerSectionSize + v.payload = payload + return v +} +func NewErrorCodeHttpRequestTrailerSectionSize(payload *uint32) *ErrorCode { + return (&ErrorCode{}).SetHttpRequestTrailerSectionSize( + payload) +} +func (v *ErrorCode) GetHttpRequestTrailerSize() (payload FieldSizePayload, ok bool) { + if ok = (v.discriminant == ErrorCodeHttpRequestTrailerSize); !ok { + return + } + payload, ok = v.payload.(FieldSizePayload) + return +} +func (v *ErrorCode) SetHttpRequestTrailerSize(payload *FieldSizePayload) *ErrorCode { + v.discriminant = ErrorCodeHttpRequestTrailerSize + v.payload = payload + return v +} +func NewErrorCodeHttpRequestTrailerSize(payload *FieldSizePayload) *ErrorCode { + return (&ErrorCode{}).SetHttpRequestTrailerSize( + payload) +} +func (v *ErrorCode) GetHttpResponseIncomplete() (ok bool) { + if ok = (v.discriminant == ErrorCodeHttpResponseIncomplete); !ok { + return + } + return +} +func (v *ErrorCode) SetHttpResponseIncomplete() *ErrorCode { + v.discriminant = ErrorCodeHttpResponseIncomplete + v.payload = nil + return v +} +func NewErrorCodeHttpResponseIncomplete() *ErrorCode { + return (&ErrorCode{}).SetHttpResponseIncomplete() +} +func (v *ErrorCode) GetHttpResponseHeaderSectionSize() (payload *uint32, ok bool) { + if ok = (v.discriminant == ErrorCodeHttpResponseHeaderSectionSize); !ok { + return + } + payload, ok = v.payload.(*uint32) + return +} +func (v *ErrorCode) SetHttpResponseHeaderSectionSize(payload *uint32) *ErrorCode { + v.discriminant = ErrorCodeHttpResponseHeaderSectionSize + v.payload = payload + return v +} +func NewErrorCodeHttpResponseHeaderSectionSize(payload *uint32) *ErrorCode { + return (&ErrorCode{}).SetHttpResponseHeaderSectionSize( + payload) +} +func (v *ErrorCode) GetHttpResponseHeaderSize() (payload FieldSizePayload, ok bool) { + if ok = (v.discriminant == ErrorCodeHttpResponseHeaderSize); !ok { + return + } + payload, ok = v.payload.(FieldSizePayload) + return +} +func (v *ErrorCode) SetHttpResponseHeaderSize(payload *FieldSizePayload) *ErrorCode { + v.discriminant = ErrorCodeHttpResponseHeaderSize + v.payload = payload + return v +} +func NewErrorCodeHttpResponseHeaderSize(payload *FieldSizePayload) *ErrorCode { + return (&ErrorCode{}).SetHttpResponseHeaderSize( + payload) +} +func (v *ErrorCode) GetHttpResponseBodySize() (payload *uint64, ok bool) { + if ok = (v.discriminant == ErrorCodeHttpResponseBodySize); !ok { + return + } + payload, ok = v.payload.(*uint64) + return +} +func (v *ErrorCode) SetHttpResponseBodySize(payload *uint64) *ErrorCode { + v.discriminant = ErrorCodeHttpResponseBodySize + v.payload = payload + return v +} +func NewErrorCodeHttpResponseBodySize(payload *uint64) *ErrorCode { + return (&ErrorCode{}).SetHttpResponseBodySize( + payload) +} +func (v *ErrorCode) GetHttpResponseTrailerSectionSize() (payload *uint32, ok bool) { + if ok = (v.discriminant == ErrorCodeHttpResponseTrailerSectionSize); !ok { + return + } + payload, ok = v.payload.(*uint32) + return +} +func (v *ErrorCode) SetHttpResponseTrailerSectionSize(payload *uint32) *ErrorCode { + v.discriminant = ErrorCodeHttpResponseTrailerSectionSize + v.payload = payload + return v +} +func NewErrorCodeHttpResponseTrailerSectionSize(payload *uint32) *ErrorCode { + return (&ErrorCode{}).SetHttpResponseTrailerSectionSize( + payload) +} +func (v *ErrorCode) GetHttpResponseTrailerSize() (payload FieldSizePayload, ok bool) { + if ok = (v.discriminant == ErrorCodeHttpResponseTrailerSize); !ok { + return + } + payload, ok = v.payload.(FieldSizePayload) + return +} +func (v *ErrorCode) SetHttpResponseTrailerSize(payload *FieldSizePayload) *ErrorCode { + v.discriminant = ErrorCodeHttpResponseTrailerSize + v.payload = payload + return v +} +func NewErrorCodeHttpResponseTrailerSize(payload *FieldSizePayload) *ErrorCode { + return (&ErrorCode{}).SetHttpResponseTrailerSize( + payload) +} +func (v *ErrorCode) GetHttpResponseTransferCoding() (payload *string, ok bool) { + if ok = (v.discriminant == ErrorCodeHttpResponseTransferCoding); !ok { + return + } + payload, ok = v.payload.(*string) + return +} +func (v *ErrorCode) SetHttpResponseTransferCoding(payload *string) *ErrorCode { + v.discriminant = ErrorCodeHttpResponseTransferCoding + v.payload = payload + return v +} +func NewErrorCodeHttpResponseTransferCoding(payload *string) *ErrorCode { + return (&ErrorCode{}).SetHttpResponseTransferCoding( + payload) +} +func (v *ErrorCode) GetHttpResponseContentCoding() (payload *string, ok bool) { + if ok = (v.discriminant == ErrorCodeHttpResponseContentCoding); !ok { + return + } + payload, ok = v.payload.(*string) + return +} +func (v *ErrorCode) SetHttpResponseContentCoding(payload *string) *ErrorCode { + v.discriminant = ErrorCodeHttpResponseContentCoding + v.payload = payload + return v +} +func NewErrorCodeHttpResponseContentCoding(payload *string) *ErrorCode { + return (&ErrorCode{}).SetHttpResponseContentCoding( + payload) +} +func (v *ErrorCode) GetHttpResponseTimeout() (ok bool) { + if ok = (v.discriminant == ErrorCodeHttpResponseTimeout); !ok { + return + } + return +} +func (v *ErrorCode) SetHttpResponseTimeout() *ErrorCode { + v.discriminant = ErrorCodeHttpResponseTimeout + v.payload = nil + return v +} +func NewErrorCodeHttpResponseTimeout() *ErrorCode { + return (&ErrorCode{}).SetHttpResponseTimeout() +} +func (v *ErrorCode) GetHttpUpgradeFailed() (ok bool) { + if ok = (v.discriminant == ErrorCodeHttpUpgradeFailed); !ok { + return + } + return +} +func (v *ErrorCode) SetHttpUpgradeFailed() *ErrorCode { + v.discriminant = ErrorCodeHttpUpgradeFailed + v.payload = nil + return v +} +func NewErrorCodeHttpUpgradeFailed() *ErrorCode { + return (&ErrorCode{}).SetHttpUpgradeFailed() +} +func (v *ErrorCode) GetHttpProtocolError() (ok bool) { + if ok = (v.discriminant == ErrorCodeHttpProtocolError); !ok { + return + } + return +} +func (v *ErrorCode) SetHttpProtocolError() *ErrorCode { + v.discriminant = ErrorCodeHttpProtocolError + v.payload = nil + return v +} +func NewErrorCodeHttpProtocolError() *ErrorCode { + return (&ErrorCode{}).SetHttpProtocolError() +} +func (v *ErrorCode) GetLoopDetected() (ok bool) { + if ok = (v.discriminant == ErrorCodeLoopDetected); !ok { + return + } + return +} +func (v *ErrorCode) SetLoopDetected() *ErrorCode { + v.discriminant = ErrorCodeLoopDetected + v.payload = nil + return v +} +func NewErrorCodeLoopDetected() *ErrorCode { + return (&ErrorCode{}).SetLoopDetected() +} +func (v *ErrorCode) GetConfigurationError() (ok bool) { + if ok = (v.discriminant == ErrorCodeConfigurationError); !ok { + return + } + return +} +func (v *ErrorCode) SetConfigurationError() *ErrorCode { + v.discriminant = ErrorCodeConfigurationError + v.payload = nil + return v +} +func NewErrorCodeConfigurationError() *ErrorCode { + return (&ErrorCode{}).SetConfigurationError() +} + +// This is a catch-all error for anything that doesn't fit cleanly into a +// more specific case. It also includes an optional string for an +// unstructured description of the error. Users should not depend on the +// string for diagnosing errors, as it's not required to be consistent +// between implementations. +func (v *ErrorCode) GetInternalError() (payload *string, ok bool) { + if ok = (v.discriminant == ErrorCodeInternalError); !ok { + return + } + payload, ok = v.payload.(*string) + return +} + +// This is a catch-all error for anything that doesn't fit cleanly into a +// more specific case. It also includes an optional string for an +// unstructured description of the error. Users should not depend on the +// string for diagnosing errors, as it's not required to be consistent +// between implementations. +func (v *ErrorCode) SetInternalError(payload *string) *ErrorCode { + v.discriminant = ErrorCodeInternalError + v.payload = payload + return v +} + +// This is a catch-all error for anything that doesn't fit cleanly into a +// more specific case. It also includes an optional string for an +// unstructured description of the error. Users should not depend on the +// string for diagnosing errors, as it's not required to be consistent +// between implementations. +func NewErrorCodeInternalError(payload *string) *ErrorCode { + return (&ErrorCode{}).SetInternalError( + payload) +} +func (v *ErrorCode) Error() string { return v.String() } +func (v *ErrorCode) WriteToIndex(w wrpc.ByteWriter) (func(wrpc.IndexWriter) error, error) { + if err := func(v uint8, w io.Writer) error { + b := make([]byte, 2) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing u8 discriminant") + _, err := w.Write(b[:i]) + return err + }(uint8(v.discriminant), w); err != nil { + return nil, fmt.Errorf("failed to write discriminant: %w", err) + } + switch v.discriminant { + case ErrorCodeDnsTimeout: + case ErrorCodeDnsError: + payload, ok := v.payload.(*DnsErrorPayload) + if !ok { + return nil, errors.New("invalid payload") + } + write, err := (payload).WriteToIndex(w) + if err != nil { + return nil, fmt.Errorf("failed to write payload: %w", err) + } + + if write != nil { + return func(w wrpc.IndexWriter) error { + w, err := w.Index(1) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + return write(w) + }, nil + } + case ErrorCodeDestinationNotFound: + case ErrorCodeDestinationUnavailable: + case ErrorCodeDestinationIpProhibited: + case ErrorCodeDestinationIpUnroutable: + case ErrorCodeConnectionRefused: + case ErrorCodeConnectionTerminated: + case ErrorCodeConnectionTimeout: + case ErrorCodeConnectionReadTimeout: + case ErrorCodeConnectionWriteTimeout: + case ErrorCodeConnectionLimitReached: + case ErrorCodeTlsProtocolError: + case ErrorCodeTlsCertificateError: + case ErrorCodeTlsAlertReceived: + payload, ok := v.payload.(*TlsAlertReceivedPayload) + if !ok { + return nil, errors.New("invalid payload") + } + write, err := (payload).WriteToIndex(w) + if err != nil { + return nil, fmt.Errorf("failed to write payload: %w", err) + } + + if write != nil { + return func(w wrpc.IndexWriter) error { + w, err := w.Index(14) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + return write(w) + }, nil + } + case ErrorCodeHttpRequestDenied: + case ErrorCodeHttpRequestLengthRequired: + case ErrorCodeHttpRequestBodySize: + payload, ok := v.payload.(*uint64) + if !ok { + return nil, errors.New("invalid payload") + } + write, err := func(v *uint64, w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := (func(wrpc.IndexWriter) error)(nil), func(v uint64, w io.Writer) (err error) { + b := make([]byte, binary.MaxVarintLen64) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing u64") + _, err = w.Write(b[:i]) + return err + }(*v, w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(payload, w) + if err != nil { + return nil, fmt.Errorf("failed to write payload: %w", err) + } + + if write != nil { + return func(w wrpc.IndexWriter) error { + w, err := w.Index(17) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + return write(w) + }, nil + } + case ErrorCodeHttpRequestMethodInvalid: + case ErrorCodeHttpRequestUriInvalid: + case ErrorCodeHttpRequestUriTooLong: + case ErrorCodeHttpRequestHeaderSectionSize: + payload, ok := v.payload.(*uint32) + if !ok { + return nil, errors.New("invalid payload") + } + write, err := func(v *uint32, w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := (func(wrpc.IndexWriter) error)(nil), func(v uint32, w io.Writer) (err error) { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing u32") + _, err = w.Write(b[:i]) + return err + }(*v, w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(payload, w) + if err != nil { + return nil, fmt.Errorf("failed to write payload: %w", err) + } + + if write != nil { + return func(w wrpc.IndexWriter) error { + w, err := w.Index(21) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + return write(w) + }, nil + } + case ErrorCodeHttpRequestHeaderSize: + payload, ok := v.payload.(*FieldSizePayload) + if !ok { + return nil, errors.New("invalid payload") + } + write, err := func(v *FieldSizePayload, w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := (v).WriteToIndex(w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(payload, w) + if err != nil { + return nil, fmt.Errorf("failed to write payload: %w", err) + } + + if write != nil { + return func(w wrpc.IndexWriter) error { + w, err := w.Index(22) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + return write(w) + }, nil + } + case ErrorCodeHttpRequestTrailerSectionSize: + payload, ok := v.payload.(*uint32) + if !ok { + return nil, errors.New("invalid payload") + } + write, err := func(v *uint32, w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := (func(wrpc.IndexWriter) error)(nil), func(v uint32, w io.Writer) (err error) { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing u32") + _, err = w.Write(b[:i]) + return err + }(*v, w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(payload, w) + if err != nil { + return nil, fmt.Errorf("failed to write payload: %w", err) + } + + if write != nil { + return func(w wrpc.IndexWriter) error { + w, err := w.Index(23) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + return write(w) + }, nil + } + case ErrorCodeHttpRequestTrailerSize: + payload, ok := v.payload.(*FieldSizePayload) + if !ok { + return nil, errors.New("invalid payload") + } + write, err := (payload).WriteToIndex(w) + if err != nil { + return nil, fmt.Errorf("failed to write payload: %w", err) + } + + if write != nil { + return func(w wrpc.IndexWriter) error { + w, err := w.Index(24) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + return write(w) + }, nil + } + case ErrorCodeHttpResponseIncomplete: + case ErrorCodeHttpResponseHeaderSectionSize: + payload, ok := v.payload.(*uint32) + if !ok { + return nil, errors.New("invalid payload") + } + write, err := func(v *uint32, w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := (func(wrpc.IndexWriter) error)(nil), func(v uint32, w io.Writer) (err error) { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing u32") + _, err = w.Write(b[:i]) + return err + }(*v, w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(payload, w) + if err != nil { + return nil, fmt.Errorf("failed to write payload: %w", err) + } + + if write != nil { + return func(w wrpc.IndexWriter) error { + w, err := w.Index(26) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + return write(w) + }, nil + } + case ErrorCodeHttpResponseHeaderSize: + payload, ok := v.payload.(*FieldSizePayload) + if !ok { + return nil, errors.New("invalid payload") + } + write, err := (payload).WriteToIndex(w) + if err != nil { + return nil, fmt.Errorf("failed to write payload: %w", err) + } + + if write != nil { + return func(w wrpc.IndexWriter) error { + w, err := w.Index(27) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + return write(w) + }, nil + } + case ErrorCodeHttpResponseBodySize: + payload, ok := v.payload.(*uint64) + if !ok { + return nil, errors.New("invalid payload") + } + write, err := func(v *uint64, w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := (func(wrpc.IndexWriter) error)(nil), func(v uint64, w io.Writer) (err error) { + b := make([]byte, binary.MaxVarintLen64) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing u64") + _, err = w.Write(b[:i]) + return err + }(*v, w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(payload, w) + if err != nil { + return nil, fmt.Errorf("failed to write payload: %w", err) + } + + if write != nil { + return func(w wrpc.IndexWriter) error { + w, err := w.Index(28) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + return write(w) + }, nil + } + case ErrorCodeHttpResponseTrailerSectionSize: + payload, ok := v.payload.(*uint32) + if !ok { + return nil, errors.New("invalid payload") + } + write, err := func(v *uint32, w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := (func(wrpc.IndexWriter) error)(nil), func(v uint32, w io.Writer) (err error) { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing u32") + _, err = w.Write(b[:i]) + return err + }(*v, w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(payload, w) + if err != nil { + return nil, fmt.Errorf("failed to write payload: %w", err) + } + + if write != nil { + return func(w wrpc.IndexWriter) error { + w, err := w.Index(29) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + return write(w) + }, nil + } + case ErrorCodeHttpResponseTrailerSize: + payload, ok := v.payload.(*FieldSizePayload) + if !ok { + return nil, errors.New("invalid payload") + } + write, err := (payload).WriteToIndex(w) + if err != nil { + return nil, fmt.Errorf("failed to write payload: %w", err) + } + + if write != nil { + return func(w wrpc.IndexWriter) error { + w, err := w.Index(30) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + return write(w) + }, nil + } + case ErrorCodeHttpResponseTransferCoding: + payload, ok := v.payload.(*string) + if !ok { + return nil, errors.New("invalid payload") + } + write, err := func(v *string, w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(*v, w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(payload, w) + if err != nil { + return nil, fmt.Errorf("failed to write payload: %w", err) + } + + if write != nil { + return func(w wrpc.IndexWriter) error { + w, err := w.Index(31) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + return write(w) + }, nil + } + case ErrorCodeHttpResponseContentCoding: + payload, ok := v.payload.(*string) + if !ok { + return nil, errors.New("invalid payload") + } + write, err := func(v *string, w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(*v, w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(payload, w) + if err != nil { + return nil, fmt.Errorf("failed to write payload: %w", err) + } + + if write != nil { + return func(w wrpc.IndexWriter) error { + w, err := w.Index(32) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + return write(w) + }, nil + } + case ErrorCodeHttpResponseTimeout: + case ErrorCodeHttpUpgradeFailed: + case ErrorCodeHttpProtocolError: + case ErrorCodeLoopDetected: + case ErrorCodeConfigurationError: + case ErrorCodeInternalError: + payload, ok := v.payload.(*string) + if !ok { + return nil, errors.New("invalid payload") + } + write, err := func(v *string, w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(*v, w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(payload, w) + if err != nil { + return nil, fmt.Errorf("failed to write payload: %w", err) + } + + if write != nil { + return func(w wrpc.IndexWriter) error { + w, err := w.Index(38) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + return write(w) + }, nil + } + default: + return nil, errors.New("invalid variant") + } + return nil, nil +} + +// This type enumerates the different kinds of errors that may occur when +// setting or appending to a `fields` resource. +type HeaderError struct { + payload any + discriminant HeaderErrorDiscriminant +} + +func (v *HeaderError) Discriminant() HeaderErrorDiscriminant { return v.discriminant } + +type HeaderErrorDiscriminant uint8 + +const ( + // This error indicates that a `field-key` or `field-value` was + // syntactically invalid when used with an operation that sets headers in a + // `fields`. + HeaderErrorInvalidSyntax HeaderErrorDiscriminant = 0 + // This error indicates that a forbidden `field-key` was used when trying + // to set a header in a `fields`. + HeaderErrorForbidden HeaderErrorDiscriminant = 1 + // This error indicates that the operation on the `fields` was not + // permitted because the fields are immutable. + HeaderErrorImmutable HeaderErrorDiscriminant = 2 +) + +func (v *HeaderError) String() string { + switch v.discriminant { + case HeaderErrorInvalidSyntax: + return "invalid-syntax" + case HeaderErrorForbidden: + return "forbidden" + case HeaderErrorImmutable: + return "immutable" + default: + panic("invalid variant") + } +} + +// This error indicates that a `field-key` or `field-value` was +// syntactically invalid when used with an operation that sets headers in a +// `fields`. +func (v *HeaderError) GetInvalidSyntax() (ok bool) { + if ok = (v.discriminant == HeaderErrorInvalidSyntax); !ok { + return + } + return +} + +// This error indicates that a `field-key` or `field-value` was +// syntactically invalid when used with an operation that sets headers in a +// `fields`. +func (v *HeaderError) SetInvalidSyntax() *HeaderError { + v.discriminant = HeaderErrorInvalidSyntax + v.payload = nil + return v +} + +// This error indicates that a `field-key` or `field-value` was +// syntactically invalid when used with an operation that sets headers in a +// `fields`. +func NewHeaderErrorInvalidSyntax() *HeaderError { + return (&HeaderError{}).SetInvalidSyntax() +} + +// This error indicates that a forbidden `field-key` was used when trying +// to set a header in a `fields`. +func (v *HeaderError) GetForbidden() (ok bool) { + if ok = (v.discriminant == HeaderErrorForbidden); !ok { + return + } + return +} + +// This error indicates that a forbidden `field-key` was used when trying +// to set a header in a `fields`. +func (v *HeaderError) SetForbidden() *HeaderError { + v.discriminant = HeaderErrorForbidden + v.payload = nil + return v +} + +// This error indicates that a forbidden `field-key` was used when trying +// to set a header in a `fields`. +func NewHeaderErrorForbidden() *HeaderError { + return (&HeaderError{}).SetForbidden() +} + +// This error indicates that the operation on the `fields` was not +// permitted because the fields are immutable. +func (v *HeaderError) GetImmutable() (ok bool) { + if ok = (v.discriminant == HeaderErrorImmutable); !ok { + return + } + return +} + +// This error indicates that the operation on the `fields` was not +// permitted because the fields are immutable. +func (v *HeaderError) SetImmutable() *HeaderError { + v.discriminant = HeaderErrorImmutable + v.payload = nil + return v +} + +// This error indicates that the operation on the `fields` was not +// permitted because the fields are immutable. +func NewHeaderErrorImmutable() *HeaderError { + return (&HeaderError{}).SetImmutable() +} +func (v *HeaderError) Error() string { return v.String() } +func (v *HeaderError) WriteToIndex(w wrpc.ByteWriter) (func(wrpc.IndexWriter) error, error) { + if err := func(v uint8, w io.Writer) error { + b := make([]byte, 2) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing u8 discriminant") + _, err := w.Write(b[:i]) + return err + }(uint8(v.discriminant), w); err != nil { + return nil, fmt.Errorf("failed to write discriminant: %w", err) + } + switch v.discriminant { + case HeaderErrorInvalidSyntax: + case HeaderErrorForbidden: + case HeaderErrorImmutable: + default: + return nil, errors.New("invalid variant") + } + return nil, nil +} + +// Field keys are always strings. +type FieldKey = string + +// Field values should always be ASCII strings. However, in +// reality, HTTP implementations often have to interpret malformed values, +// so they are provided as a list of bytes. +type FieldValue = []uint8 + +// This following block defines the `fields` resource which corresponds to +// HTTP standard Fields. Fields are a common representation used for both +// Headers and Trailers. +// +// A `fields` may be mutable or immutable. A `fields` created using the +// constructor, `from-list`, or `clone` will be mutable, but a `fields` +// resource given by other means (including, but not limited to, +// `incoming-request.headers`, `outgoing-request.headers`) might be be +// immutable. In an immutable fields, the `set`, `append`, and `delete` +// operations will fail with `header-error.immutable`. +type Fields interface{} + +// Headers is an alias for Fields. +type Headers = Fields + +// Trailers is an alias for Fields. +type Trailers = Fields + +// Represents an incoming HTTP Request. +type IncomingRequest interface{} + +// Represents an outgoing HTTP Request. +type OutgoingRequest interface{} + +// Parameters for making an HTTP Request. Each of these parameters is +// currently an optional timeout applicable to the transport layer of the +// HTTP protocol. +// +// These timeouts are separate from any the user may use to bound a +// blocking call to `wasi:io/poll.poll`. +type RequestOptions interface{} + +// Represents the ability to send an HTTP Response. +// +// This resource is used by the `wasi:http/incoming-handler` interface to +// allow a Response to be sent corresponding to the Request provided as the +// other argument to `incoming-handler.handle`. +type ResponseOutparam interface{} + +// This type corresponds to the HTTP standard Status Code. +type StatusCode = uint16 + +// Represents an incoming HTTP Response. +type IncomingResponse interface{} + +// Represents an incoming HTTP Request or Response's Body. +// +// A body has both its contents - a stream of bytes - and a (possibly +// empty) set of trailers, indicating that the full contents of the +// body have been received. This resource represents the contents as +// an `input-stream` and the delivery of trailers as a `future-trailers`, +// and ensures that the user of this interface may only be consuming either +// the body contents or waiting on trailers at any given time. +type IncomingBody interface{} + +// Represents a future which may eventaully return trailers, or an error. +// +// In the case that the incoming HTTP Request or Response did not have any +// trailers, this future will resolve to the empty set of trailers once the +// complete Request or Response body has been received. +type FutureTrailers interface{} + +// Represents an outgoing HTTP Response. +type OutgoingResponse interface{} + +// Represents an outgoing HTTP Request or Response's Body. +// +// A body has both its contents - a stream of bytes - and a (possibly +// empty) set of trailers, inducating the full contents of the body +// have been sent. This resource represents the contents as an +// `output-stream` child resource, and the completion of the body (with +// optional trailers) with a static function that consumes the +// `outgoing-body` resource, and ensures that the user of this interface +// may not write to the body contents after the body has been finished. +// +// If the user code drops this resource, as opposed to calling the static +// method `finish`, the implementation should treat the body as incomplete, +// and that an error has occured. The implementation should propogate this +// error to the HTTP protocol by whatever means it has available, +// including: corrupting the body on the wire, aborting the associated +// Request, or sending a late status code for the Response. +type OutgoingBody interface{} + +// Represents a future which may eventaully return an incoming HTTP +// Response, or an error. +// +// This resource is returned by the `wasi:http/outgoing-handler` interface to +// provide the HTTP Response corresponding to the sent Request. +type FutureIncomingResponse interface{} + +// Attempts to extract a http-related `error` from the wasi:io `error` +// provided. +// +// Stream operations which return +// `wasi:io/stream/stream-error::last-operation-failed` have a payload of +// type `wasi:io/error/error` with more information about the operation +// that failed. This payload can be passed through to this function to see +// if there's http-related information about the error to return. +// +// Note that this function is fallible because not all io-errors are +// http-related errors. +func HttpErrorCode(ctx__ context.Context, wrpc__ wrpc.Invoker, err wrpc.Borrow[IoError]) (r0__ *ErrorCode, err__ error) { + var buf__ bytes.Buffer + write0__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(err), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `err` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `err` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "http-error-code", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `http-error-code`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "http-error-code", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "http-error-code", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*ErrorCode, error) { + slog.Debug("reading option status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read option status byte: %w", err) + } + switch status { + case 0: + return nil, nil + case 1: + slog.Debug("reading `option::some` payload") + v, err := func(r wrpc.IndexReader, path ...uint32) (*ErrorCode, error) { + v := &ErrorCode{} + n, err := func(r io.ByteReader) (uint8, error) { + var x uint8 + var s uint + for i := 0; i < 2; i++ { + slog.Debug("reading u8 discriminant byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u8 discriminant byte: %w", err) + } + if s == 7 && b > 0x01 { + return x, errors.New("discriminant overflows an 8-bit integer") + } + if b < 0x80 { + return x | uint8(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u16 byte: %w", err) + } + if s == 14 && b > 0x03 { + return x, errors.New("varint overflows a 16-bit integer") + } + if b < 0x80 { + return x | uint16(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u64 byte: %w", err) + } + if s == 63 && b > 0x01 { + return x, errors.New("varint overflows a 64-bit integer") + } + if b < 0x80 { + return x | uint64(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u64 byte: %w", err) + } + if s == 63 && b > 0x01 { + return x, errors.New("varint overflows a 64-bit integer") + } + if b < 0x80 { + return x | uint64(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return nil, fmt.Errorf("list length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing list length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return nil, fmt.Errorf("failed to write list length of %d: %w", n, err) + } + slog.Debug("writing list elements") + writes := make(map[uint32]func(wrpc.IndexWriter) error, n) + for i, e := range v { + write, err := func(v *wrpc.Tuple2[string, []uint8], w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + writes := make(map[uint32]func(wrpc.IndexWriter) error, 2) + slog.Debug("writing tuple element 0") + write0, err := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(v.V0, w) + if err != nil { + return nil, fmt.Errorf("failed to write tuple element 0: %w", err) + } + if write0 != nil { + writes[0] = write0 + } + slog.Debug("writing tuple element 1") + write1, err := func(v []uint8, w interface { + io.ByteWriter + io.Writer + }) (write func(wrpc.IndexWriter) error, err error) { + n := len(v) + if n > math.MaxUint32 { + return nil, fmt.Errorf("list length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing list length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return nil, fmt.Errorf("failed to write list length of %d: %w", n, err) + } + slog.Debug("writing list elements") + writes := make(map[uint32]func(wrpc.IndexWriter) error, n) + for i, e := range v { + write, err := (func(wrpc.IndexWriter) error)(nil), func(v uint8, w io.ByteWriter) error { + slog.Debug("writing u8 byte") + return w.WriteByte(v) + }(e, w) + if err != nil { + return nil, fmt.Errorf("failed to write list element %d: %w", i, err) + } + if write != nil { + writes[uint32(i)] = write + } + } + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil + }(v.V1, w) + if err != nil { + return nil, fmt.Errorf("failed to write tuple element 1: %w", err) + } + if write1 != nil { + writes[1] = write1 + } + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil + }(e, w) + if err != nil { + return nil, fmt.Errorf("failed to write list element %d: %w", i, err) + } + if write != nil { + writes[uint32(i)] = write + } + } + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil + }(entries, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `entries` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `entries` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "fields.from-list", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[static]fields.from-list`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[static]fields.from-list", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[static]fields.from-list", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[wrpc.Own[Fields], HeaderError], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + slog.Debug("reading `result::ok` payload") + v, err := func(r interface { + io.ByteReader + io.Reader + }) (wrpc.Own[Fields], error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading owned resource ID length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u8 discriminant byte: %w", err) + } + if s == 7 && b > 0x01 { + return x, errors.New("discriminant overflows an 8-bit integer") + } + if b < 0x80 { + return x | uint8(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + write1__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(name, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `name` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + if write1__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `name` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "fields.get", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]fields.get`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]fields.get", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]fields.get", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) ([][]uint8, error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading list length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return nil, fmt.Errorf("failed to read list length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return nil, errors.New("list length overflows a 32-bit integer") + } + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return nil, fmt.Errorf("failed to read byte list length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return nil, errors.New("byte list length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + write1__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(name, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `name` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + if write1__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `name` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "fields.has", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]fields.has`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]fields.has", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]fields.has", "err", cErr__) + } + r0__, err__ = func(r io.ByteReader) (bool, error) { + slog.Debug("reading bool byte") + v, err := r.ReadByte() + if err != nil { + slog.Debug("reading bool", "value", false) + return false, fmt.Errorf("failed to read bool byte: %w", err) + } + switch v { + case 0: + return false, nil + case 1: + return true, nil + default: + return false, fmt.Errorf("invalid bool value %d", v) + } + }(r__) + if err__ != nil { + err__ = fmt.Errorf("failed to read result 0: %w", err__) + return + } + return +} + +// Set all of the values for a key. Clears any existing values for that +// key, if they have been set. +// +// Fails with `header-error.immutable` if the `fields` are immutable. +func Fields_Set(ctx__ context.Context, wrpc__ wrpc.Invoker, self wrpc.Borrow[Fields], name string, value [][]uint8) (r0__ *wrpc.Result[struct{}, HeaderError], err__ error) { + var buf__ bytes.Buffer + write0__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + write1__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(name, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `name` parameter: %w", err__) + return + } + write2__, err__ := func(v [][]uint8, w interface { + io.ByteWriter + io.Writer + }) (write func(wrpc.IndexWriter) error, err error) { + n := len(v) + if n > math.MaxUint32 { + return nil, fmt.Errorf("list length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing list length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return nil, fmt.Errorf("failed to write list length of %d: %w", n, err) + } + slog.Debug("writing list elements") + writes := make(map[uint32]func(wrpc.IndexWriter) error, n) + for i, e := range v { + write, err := func(v []uint8, w interface { + io.ByteWriter + io.Writer + }) (write func(wrpc.IndexWriter) error, err error) { + n := len(v) + if n > math.MaxUint32 { + return nil, fmt.Errorf("list length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing list length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return nil, fmt.Errorf("failed to write list length of %d: %w", n, err) + } + slog.Debug("writing list elements") + writes := make(map[uint32]func(wrpc.IndexWriter) error, n) + for i, e := range v { + write, err := (func(wrpc.IndexWriter) error)(nil), func(v uint8, w io.ByteWriter) error { + slog.Debug("writing u8 byte") + return w.WriteByte(v) + }(e, w) + if err != nil { + return nil, fmt.Errorf("failed to write list element %d: %w", i, err) + } + if write != nil { + writes[uint32(i)] = write + } + } + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil + }(e, w) + if err != nil { + return nil, fmt.Errorf("failed to write list element %d: %w", i, err) + } + if write != nil { + writes[uint32(i)] = write + } + } + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil + }(value, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `value` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + if write1__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `name` parameter") + return + } + if write2__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `value` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "fields.set", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]fields.set`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]fields.set", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]fields.set", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[struct{}, HeaderError], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + var v struct{} + return &wrpc.Result[struct{}, HeaderError]{Ok: &v}, nil + case 1: + slog.Debug("reading `result::err` payload") + v, err := func(r wrpc.IndexReader, path ...uint32) (*HeaderError, error) { + v := &HeaderError{} + n, err := func(r io.ByteReader) (uint8, error) { + var x uint8 + var s uint + for i := 0; i < 2; i++ { + slog.Debug("reading u8 discriminant byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u8 discriminant byte: %w", err) + } + if s == 7 && b > 0x01 { + return x, errors.New("discriminant overflows an 8-bit integer") + } + if b < 0x80 { + return x | uint8(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + write1__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(name, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `name` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + if write1__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `name` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "fields.delete", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]fields.delete`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]fields.delete", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]fields.delete", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[struct{}, HeaderError], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + var v struct{} + return &wrpc.Result[struct{}, HeaderError]{Ok: &v}, nil + case 1: + slog.Debug("reading `result::err` payload") + v, err := func(r wrpc.IndexReader, path ...uint32) (*HeaderError, error) { + v := &HeaderError{} + n, err := func(r io.ByteReader) (uint8, error) { + var x uint8 + var s uint + for i := 0; i < 2; i++ { + slog.Debug("reading u8 discriminant byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u8 discriminant byte: %w", err) + } + if s == 7 && b > 0x01 { + return x, errors.New("discriminant overflows an 8-bit integer") + } + if b < 0x80 { + return x | uint8(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + write1__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(name, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `name` parameter: %w", err__) + return + } + write2__, err__ := func(v []uint8, w interface { + io.ByteWriter + io.Writer + }) (write func(wrpc.IndexWriter) error, err error) { + n := len(v) + if n > math.MaxUint32 { + return nil, fmt.Errorf("list length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing list length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return nil, fmt.Errorf("failed to write list length of %d: %w", n, err) + } + slog.Debug("writing list elements") + writes := make(map[uint32]func(wrpc.IndexWriter) error, n) + for i, e := range v { + write, err := (func(wrpc.IndexWriter) error)(nil), func(v uint8, w io.ByteWriter) error { + slog.Debug("writing u8 byte") + return w.WriteByte(v) + }(e, w) + if err != nil { + return nil, fmt.Errorf("failed to write list element %d: %w", i, err) + } + if write != nil { + writes[uint32(i)] = write + } + } + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil + }(value, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `value` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + if write1__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `name` parameter") + return + } + if write2__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `value` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "fields.append", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]fields.append`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]fields.append", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]fields.append", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[struct{}, HeaderError], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + var v struct{} + return &wrpc.Result[struct{}, HeaderError]{Ok: &v}, nil + case 1: + slog.Debug("reading `result::err` payload") + v, err := func(r wrpc.IndexReader, path ...uint32) (*HeaderError, error) { + v := &HeaderError{} + n, err := func(r io.ByteReader) (uint8, error) { + var x uint8 + var s uint + for i := 0; i < 2; i++ { + slog.Debug("reading u8 discriminant byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u8 discriminant byte: %w", err) + } + if s == 7 && b > 0x01 { + return x, errors.New("discriminant overflows an 8-bit integer") + } + if b < 0x80 { + return x | uint8(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "fields.entries", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]fields.entries`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]fields.entries", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]fields.entries", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) ([]*wrpc.Tuple2[string, []uint8], error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading list length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return nil, fmt.Errorf("failed to read list length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return nil, errors.New("list length overflows a 32-bit integer") + } + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return nil, fmt.Errorf("failed to read byte list length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return nil, errors.New("byte list length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "fields.clone", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]fields.clone`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]fields.clone", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]fields.clone", "err", cErr__) + } + r0__, err__ = func(r interface { + io.ByteReader + io.Reader + }) (wrpc.Own[Fields], error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading owned resource ID length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "incoming-request.method", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]incoming-request.method`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]incoming-request.method", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]incoming-request.method", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*Method, error) { + v := &Method{} + n, err := func(r io.ByteReader) (uint8, error) { + var x uint8 + var s uint + for i := 0; i < 2; i++ { + slog.Debug("reading u8 discriminant byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u8 discriminant byte: %w", err) + } + if s == 7 && b > 0x01 { + return x, errors.New("discriminant overflows an 8-bit integer") + } + if b < 0x80 { + return x | uint8(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "incoming-request.path-with-query", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]incoming-request.path-with-query`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]incoming-request.path-with-query", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]incoming-request.path-with-query", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*string, error) { + slog.Debug("reading option status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read option status byte: %w", err) + } + switch status { + case 0: + return nil, nil + case 1: + slog.Debug("reading `option::some` payload") + v, err := func(r interface { + io.ByteReader + io.Reader + }) (string, error) { + var x uint32 + var s uint8 + for i := 0; i < 5; i++ { + slog.Debug("reading string length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "incoming-request.scheme", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]incoming-request.scheme`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]incoming-request.scheme", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]incoming-request.scheme", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*Scheme, error) { + slog.Debug("reading option status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read option status byte: %w", err) + } + switch status { + case 0: + return nil, nil + case 1: + slog.Debug("reading `option::some` payload") + v, err := func(r wrpc.IndexReader, path ...uint32) (*Scheme, error) { + v := &Scheme{} + n, err := func(r io.ByteReader) (uint8, error) { + var x uint8 + var s uint + for i := 0; i < 2; i++ { + slog.Debug("reading u8 discriminant byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u8 discriminant byte: %w", err) + } + if s == 7 && b > 0x01 { + return x, errors.New("discriminant overflows an 8-bit integer") + } + if b < 0x80 { + return x | uint8(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "incoming-request.authority", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]incoming-request.authority`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]incoming-request.authority", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]incoming-request.authority", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*string, error) { + slog.Debug("reading option status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read option status byte: %w", err) + } + switch status { + case 0: + return nil, nil + case 1: + slog.Debug("reading `option::some` payload") + v, err := func(r interface { + io.ByteReader + io.Reader + }) (string, error) { + var x uint32 + var s uint8 + for i := 0; i < 5; i++ { + slog.Debug("reading string length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "incoming-request.headers", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]incoming-request.headers`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]incoming-request.headers", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]incoming-request.headers", "err", cErr__) + } + r0__, err__ = func(r interface { + io.ByteReader + io.Reader + }) (wrpc.Own[Headers], error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading owned resource ID length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "incoming-request.consume", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]incoming-request.consume`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]incoming-request.consume", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]incoming-request.consume", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[wrpc.Own[IncomingBody], struct{}], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + slog.Debug("reading `result::ok` payload") + v, err := func(r interface { + io.ByteReader + io.Reader + }) (wrpc.Own[IncomingBody], error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading owned resource ID length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(headers), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `headers` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `headers` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "outgoing-request", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[constructor]outgoing-request`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[constructor]outgoing-request", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[constructor]outgoing-request", "err", cErr__) + } + r0__, err__ = func(r interface { + io.ByteReader + io.Reader + }) (wrpc.Own[OutgoingRequest], error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading owned resource ID length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "outgoing-request.body", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]outgoing-request.body`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-request.body", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-request.body", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[wrpc.Own[OutgoingBody], struct{}], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + slog.Debug("reading `result::ok` payload") + v, err := func(r interface { + io.ByteReader + io.Reader + }) (wrpc.Own[OutgoingBody], error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading owned resource ID length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "outgoing-request.method", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]outgoing-request.method`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-request.method", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-request.method", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*Method, error) { + v := &Method{} + n, err := func(r io.ByteReader) (uint8, error) { + var x uint8 + var s uint + for i := 0; i < 2; i++ { + slog.Debug("reading u8 discriminant byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u8 discriminant byte: %w", err) + } + if s == 7 && b > 0x01 { + return x, errors.New("discriminant overflows an 8-bit integer") + } + if b < 0x80 { + return x | uint8(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + write1__, err__ := (method).WriteToIndex(&buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `method` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + if write1__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `method` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "outgoing-request.set-method", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]outgoing-request.set-method`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-request.set-method", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-request.set-method", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[struct{}, struct{}], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + var v struct{} + return &wrpc.Result[struct{}, struct{}]{Ok: &v}, nil + case 1: + var v struct{} + return &wrpc.Result[struct{}, struct{}]{Err: &v}, nil + default: + return nil, fmt.Errorf("invalid result status byte %d", status) + } + }(r__, []uint32{0}...) + if err__ != nil { + err__ = fmt.Errorf("failed to read result 0: %w", err__) + return + } + return +} + +// Get the combination of the HTTP Path and Query for the Request. +// When `none`, this represents an empty Path and empty Query. +func OutgoingRequest_PathWithQuery(ctx__ context.Context, wrpc__ wrpc.Invoker, self wrpc.Borrow[OutgoingRequest]) (r0__ *string, err__ error) { + var buf__ bytes.Buffer + write0__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "outgoing-request.path-with-query", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]outgoing-request.path-with-query`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-request.path-with-query", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-request.path-with-query", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*string, error) { + slog.Debug("reading option status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read option status byte: %w", err) + } + switch status { + case 0: + return nil, nil + case 1: + slog.Debug("reading `option::some` payload") + v, err := func(r interface { + io.ByteReader + io.Reader + }) (string, error) { + var x uint32 + var s uint8 + for i := 0; i < 5; i++ { + slog.Debug("reading string length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + write1__, err__ := func(v *string, w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(*v, w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(pathWithQuery, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `path-with-query` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + if write1__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `path-with-query` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "outgoing-request.set-path-with-query", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]outgoing-request.set-path-with-query`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-request.set-path-with-query", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-request.set-path-with-query", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[struct{}, struct{}], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + var v struct{} + return &wrpc.Result[struct{}, struct{}]{Ok: &v}, nil + case 1: + var v struct{} + return &wrpc.Result[struct{}, struct{}]{Err: &v}, nil + default: + return nil, fmt.Errorf("invalid result status byte %d", status) + } + }(r__, []uint32{0}...) + if err__ != nil { + err__ = fmt.Errorf("failed to read result 0: %w", err__) + return + } + return +} + +// Get the HTTP Related Scheme for the Request. When `none`, the +// implementation may choose an appropriate default scheme. +func OutgoingRequest_Scheme(ctx__ context.Context, wrpc__ wrpc.Invoker, self wrpc.Borrow[OutgoingRequest]) (r0__ *Scheme, err__ error) { + var buf__ bytes.Buffer + write0__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "outgoing-request.scheme", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]outgoing-request.scheme`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-request.scheme", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-request.scheme", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*Scheme, error) { + slog.Debug("reading option status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read option status byte: %w", err) + } + switch status { + case 0: + return nil, nil + case 1: + slog.Debug("reading `option::some` payload") + v, err := func(r wrpc.IndexReader, path ...uint32) (*Scheme, error) { + v := &Scheme{} + n, err := func(r io.ByteReader) (uint8, error) { + var x uint8 + var s uint + for i := 0; i < 2; i++ { + slog.Debug("reading u8 discriminant byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u8 discriminant byte: %w", err) + } + if s == 7 && b > 0x01 { + return x, errors.New("discriminant overflows an 8-bit integer") + } + if b < 0x80 { + return x | uint8(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + write1__, err__ := func(v *Scheme, w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := (v).WriteToIndex(w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(scheme, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `scheme` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + if write1__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `scheme` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "outgoing-request.set-scheme", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]outgoing-request.set-scheme`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-request.set-scheme", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-request.set-scheme", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[struct{}, struct{}], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + var v struct{} + return &wrpc.Result[struct{}, struct{}]{Ok: &v}, nil + case 1: + var v struct{} + return &wrpc.Result[struct{}, struct{}]{Err: &v}, nil + default: + return nil, fmt.Errorf("invalid result status byte %d", status) + } + }(r__, []uint32{0}...) + if err__ != nil { + err__ = fmt.Errorf("failed to read result 0: %w", err__) + return + } + return +} + +// Get the HTTP Authority for the Request. A value of `none` may be used +// with Related Schemes which do not require an Authority. The HTTP and +// HTTPS schemes always require an authority. +func OutgoingRequest_Authority(ctx__ context.Context, wrpc__ wrpc.Invoker, self wrpc.Borrow[OutgoingRequest]) (r0__ *string, err__ error) { + var buf__ bytes.Buffer + write0__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "outgoing-request.authority", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]outgoing-request.authority`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-request.authority", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-request.authority", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*string, error) { + slog.Debug("reading option status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read option status byte: %w", err) + } + switch status { + case 0: + return nil, nil + case 1: + slog.Debug("reading `option::some` payload") + v, err := func(r interface { + io.ByteReader + io.Reader + }) (string, error) { + var x uint32 + var s uint8 + for i := 0; i < 5; i++ { + slog.Debug("reading string length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + write1__, err__ := func(v *string, w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(*v, w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(authority, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `authority` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + if write1__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `authority` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "outgoing-request.set-authority", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]outgoing-request.set-authority`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-request.set-authority", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-request.set-authority", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[struct{}, struct{}], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + var v struct{} + return &wrpc.Result[struct{}, struct{}]{Ok: &v}, nil + case 1: + var v struct{} + return &wrpc.Result[struct{}, struct{}]{Err: &v}, nil + default: + return nil, fmt.Errorf("invalid result status byte %d", status) + } + }(r__, []uint32{0}...) + if err__ != nil { + err__ = fmt.Errorf("failed to read result 0: %w", err__) + return + } + return +} + +// Get the headers associated with the Request. +// +// The returned `headers` resource is immutable: `set`, `append`, and +// `delete` operations will fail with `header-error.immutable`. +// +// This headers resource is a child: it must be dropped before the parent +// `outgoing-request` is dropped, or its ownership is transfered to +// another component by e.g. `outgoing-handler.handle`. +func OutgoingRequest_Headers(ctx__ context.Context, wrpc__ wrpc.Invoker, self wrpc.Borrow[OutgoingRequest]) (r0__ wrpc.Own[Headers], err__ error) { + var buf__ bytes.Buffer + write0__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "outgoing-request.headers", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]outgoing-request.headers`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-request.headers", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-request.headers", "err", cErr__) + } + r0__, err__ = func(r interface { + io.ByteReader + io.Reader + }) (wrpc.Own[Headers], error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading owned resource ID length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "request-options.connect-timeout", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]request-options.connect-timeout`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]request-options.connect-timeout", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]request-options.connect-timeout", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*Duration, error) { + slog.Debug("reading option status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read option status byte: %w", err) + } + switch status { + case 0: + return nil, nil + case 1: + slog.Debug("reading `option::some` payload") + v, err := func() (Duration, error) { + v, err := func() (wasi__clocks__monotonic_clock.Duration, error) { + v, err := func(r io.ByteReader) (uint64, error) { + var x uint64 + var s uint8 + for i := 0; i < 10; i++ { + slog.Debug("reading u64 byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u64 byte: %w", err) + } + if s == 63 && b > 0x01 { + return x, errors.New("varint overflows a 64-bit integer") + } + if b < 0x80 { + return x | uint64(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + write1__, err__ := func(v *Duration, w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := (func(wrpc.IndexWriter) error)(nil), func(v uint64, w io.Writer) (err error) { + b := make([]byte, binary.MaxVarintLen64) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing u64") + _, err = w.Write(b[:i]) + return err + }(*v, w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(duration, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `duration` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + if write1__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `duration` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "request-options.set-connect-timeout", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]request-options.set-connect-timeout`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]request-options.set-connect-timeout", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]request-options.set-connect-timeout", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[struct{}, struct{}], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + var v struct{} + return &wrpc.Result[struct{}, struct{}]{Ok: &v}, nil + case 1: + var v struct{} + return &wrpc.Result[struct{}, struct{}]{Err: &v}, nil + default: + return nil, fmt.Errorf("invalid result status byte %d", status) + } + }(r__, []uint32{0}...) + if err__ != nil { + err__ = fmt.Errorf("failed to read result 0: %w", err__) + return + } + return +} + +// The timeout for receiving the first byte of the Response body. +func RequestOptions_FirstByteTimeout(ctx__ context.Context, wrpc__ wrpc.Invoker, self wrpc.Borrow[RequestOptions]) (r0__ *Duration, err__ error) { + var buf__ bytes.Buffer + write0__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "request-options.first-byte-timeout", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]request-options.first-byte-timeout`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]request-options.first-byte-timeout", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]request-options.first-byte-timeout", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*Duration, error) { + slog.Debug("reading option status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read option status byte: %w", err) + } + switch status { + case 0: + return nil, nil + case 1: + slog.Debug("reading `option::some` payload") + v, err := func() (Duration, error) { + v, err := func() (wasi__clocks__monotonic_clock.Duration, error) { + v, err := func(r io.ByteReader) (uint64, error) { + var x uint64 + var s uint8 + for i := 0; i < 10; i++ { + slog.Debug("reading u64 byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u64 byte: %w", err) + } + if s == 63 && b > 0x01 { + return x, errors.New("varint overflows a 64-bit integer") + } + if b < 0x80 { + return x | uint64(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + write1__, err__ := func(v *Duration, w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := (func(wrpc.IndexWriter) error)(nil), func(v uint64, w io.Writer) (err error) { + b := make([]byte, binary.MaxVarintLen64) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing u64") + _, err = w.Write(b[:i]) + return err + }(*v, w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(duration, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `duration` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + if write1__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `duration` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "request-options.set-first-byte-timeout", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]request-options.set-first-byte-timeout`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]request-options.set-first-byte-timeout", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]request-options.set-first-byte-timeout", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[struct{}, struct{}], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + var v struct{} + return &wrpc.Result[struct{}, struct{}]{Ok: &v}, nil + case 1: + var v struct{} + return &wrpc.Result[struct{}, struct{}]{Err: &v}, nil + default: + return nil, fmt.Errorf("invalid result status byte %d", status) + } + }(r__, []uint32{0}...) + if err__ != nil { + err__ = fmt.Errorf("failed to read result 0: %w", err__) + return + } + return +} + +// The timeout for receiving subsequent chunks of bytes in the Response +// body stream. +func RequestOptions_BetweenBytesTimeout(ctx__ context.Context, wrpc__ wrpc.Invoker, self wrpc.Borrow[RequestOptions]) (r0__ *Duration, err__ error) { + var buf__ bytes.Buffer + write0__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "request-options.between-bytes-timeout", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]request-options.between-bytes-timeout`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]request-options.between-bytes-timeout", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]request-options.between-bytes-timeout", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*Duration, error) { + slog.Debug("reading option status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read option status byte: %w", err) + } + switch status { + case 0: + return nil, nil + case 1: + slog.Debug("reading `option::some` payload") + v, err := func() (Duration, error) { + v, err := func() (wasi__clocks__monotonic_clock.Duration, error) { + v, err := func(r io.ByteReader) (uint64, error) { + var x uint64 + var s uint8 + for i := 0; i < 10; i++ { + slog.Debug("reading u64 byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u64 byte: %w", err) + } + if s == 63 && b > 0x01 { + return x, errors.New("varint overflows a 64-bit integer") + } + if b < 0x80 { + return x | uint64(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + write1__, err__ := func(v *Duration, w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := (func(wrpc.IndexWriter) error)(nil), func(v uint64, w io.Writer) (err error) { + b := make([]byte, binary.MaxVarintLen64) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing u64") + _, err = w.Write(b[:i]) + return err + }(*v, w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(duration, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `duration` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + if write1__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `duration` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "request-options.set-between-bytes-timeout", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]request-options.set-between-bytes-timeout`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]request-options.set-between-bytes-timeout", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]request-options.set-between-bytes-timeout", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[struct{}, struct{}], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + var v struct{} + return &wrpc.Result[struct{}, struct{}]{Ok: &v}, nil + case 1: + var v struct{} + return &wrpc.Result[struct{}, struct{}]{Err: &v}, nil + default: + return nil, fmt.Errorf("invalid result status byte %d", status) + } + }(r__, []uint32{0}...) + if err__ != nil { + err__ = fmt.Errorf("failed to read result 0: %w", err__) + return + } + return +} + +// Set the value of the `response-outparam` to either send a response, +// or indicate an error. +// +// This method consumes the `response-outparam` to ensure that it is +// called at most once. If it is never called, the implementation +// will respond with an error. +// +// The user may provide an `error` to `response` to allow the +// implementation determine how to respond with an HTTP error response. +func ResponseOutparam_Set(ctx__ context.Context, wrpc__ wrpc.Invoker, param wrpc.Own[ResponseOutparam], response *wrpc.Result[wrpc.Own[OutgoingResponse], ErrorCode]) (err__ error) { + var buf__ bytes.Buffer + write0__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(param), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `param` parameter: %w", err__) + return + } + write1__, err__ := func(v *wrpc.Result[wrpc.Own[OutgoingResponse], ErrorCode], w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + switch { + case v.Ok == nil && v.Err == nil: + return nil, errors.New("both result variants cannot be nil") + case v.Ok != nil && v.Err != nil: + return nil, errors.New("exactly one result variant must non-nil") + + case v.Ok != nil: + slog.Debug("writing `result::ok` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `result::ok` status byte: %w", err) + } + slog.Debug("writing `result::ok` payload") + write, err := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(*v.Ok), w) + if err != nil { + return nil, fmt.Errorf("failed to write `result::ok` payload: %w", err) + } + if write != nil { + return write, nil + } + return nil, nil + default: + slog.Debug("writing `result::err` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `result::err` status byte: %w", err) + } + slog.Debug("writing `result::err` payload") + write, err := (v.Err).WriteToIndex(w) + if err != nil { + return nil, fmt.Errorf("failed to write `result::err` payload: %w", err) + } + if write != nil { + return write, nil + } + return nil, nil + } + }(response, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `response` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `param` parameter") + return + } + if write1__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `response` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "response-outparam.set", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[static]response-outparam.set`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[static]response-outparam.set", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[static]response-outparam.set", "err", cErr__) + } + return +} + +// Returns the status code from the incoming response. +func IncomingResponse_Status(ctx__ context.Context, wrpc__ wrpc.Invoker, self wrpc.Borrow[IncomingResponse]) (r0__ uint16, err__ error) { + var buf__ bytes.Buffer + write0__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "incoming-response.status", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]incoming-response.status`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]incoming-response.status", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]incoming-response.status", "err", cErr__) + } + r0__, err__ = func() (StatusCode, error) { + v, err := func(r io.ByteReader) (uint16, error) { + var x uint16 + var s uint8 + for i := 0; i < 3; i++ { + slog.Debug("reading u16 byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u16 byte: %w", err) + } + if s == 14 && b > 0x03 { + return x, errors.New("varint overflows a 16-bit integer") + } + if b < 0x80 { + return x | uint16(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "incoming-response.headers", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]incoming-response.headers`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]incoming-response.headers", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]incoming-response.headers", "err", cErr__) + } + r0__, err__ = func(r interface { + io.ByteReader + io.Reader + }) (wrpc.Own[Headers], error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading owned resource ID length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "incoming-response.consume", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]incoming-response.consume`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]incoming-response.consume", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]incoming-response.consume", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[wrpc.Own[IncomingBody], struct{}], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + slog.Debug("reading `result::ok` payload") + v, err := func(r interface { + io.ByteReader + io.Reader + }) (wrpc.Own[IncomingBody], error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading owned resource ID length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "incoming-body.stream", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]incoming-body.stream`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]incoming-body.stream", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]incoming-body.stream", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[wrpc.Own[InputStream], struct{}], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + slog.Debug("reading `result::ok` payload") + v, err := func(r interface { + io.ByteReader + io.Reader + }) (wrpc.Own[InputStream], error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading owned resource ID length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(this), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `this` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `this` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "incoming-body.finish", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[static]incoming-body.finish`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[static]incoming-body.finish", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[static]incoming-body.finish", "err", cErr__) + } + r0__, err__ = func(r interface { + io.ByteReader + io.Reader + }) (wrpc.Own[FutureTrailers], error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading owned resource ID length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "future-trailers.subscribe", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]future-trailers.subscribe`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]future-trailers.subscribe", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]future-trailers.subscribe", "err", cErr__) + } + r0__, err__ = func(r interface { + io.ByteReader + io.Reader + }) (wrpc.Own[Pollable], error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading owned resource ID length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "future-trailers.get", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]future-trailers.get`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]future-trailers.get", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]future-trailers.get", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[wrpc.Result[*wrpc.Own[Trailers], ErrorCode], struct{}], error) { + slog.Debug("reading option status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read option status byte: %w", err) + } + switch status { + case 0: + return nil, nil + case 1: + slog.Debug("reading `option::some` payload") + v, err := func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[wrpc.Result[*wrpc.Own[Trailers], ErrorCode], struct{}], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + slog.Debug("reading `result::ok` payload") + v, err := func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[*wrpc.Own[Trailers], ErrorCode], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + slog.Debug("reading `result::ok` payload") + v, err := func(r wrpc.IndexReader, path ...uint32) (*wrpc.Own[Trailers], error) { + slog.Debug("reading option status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read option status byte: %w", err) + } + switch status { + case 0: + return nil, nil + case 1: + slog.Debug("reading `option::some` payload") + v, err := func(r interface { + io.ByteReader + io.Reader + }) (wrpc.Own[Trailers], error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading owned resource ID length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u8 discriminant byte: %w", err) + } + if s == 7 && b > 0x01 { + return x, errors.New("discriminant overflows an 8-bit integer") + } + if b < 0x80 { + return x | uint8(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u16 byte: %w", err) + } + if s == 14 && b > 0x03 { + return x, errors.New("varint overflows a 16-bit integer") + } + if b < 0x80 { + return x | uint16(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u64 byte: %w", err) + } + if s == 63 && b > 0x01 { + return x, errors.New("varint overflows a 64-bit integer") + } + if b < 0x80 { + return x | uint64(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u64 byte: %w", err) + } + if s == 63 && b > 0x01 { + return x, errors.New("varint overflows a 64-bit integer") + } + if b < 0x80 { + return x | uint64(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(headers), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `headers` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `headers` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "outgoing-response", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[constructor]outgoing-response`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[constructor]outgoing-response", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[constructor]outgoing-response", "err", cErr__) + } + r0__, err__ = func(r interface { + io.ByteReader + io.Reader + }) (wrpc.Own[OutgoingResponse], error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading owned resource ID length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "outgoing-response.status-code", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]outgoing-response.status-code`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-response.status-code", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-response.status-code", "err", cErr__) + } + r0__, err__ = func() (StatusCode, error) { + v, err := func(r io.ByteReader) (uint16, error) { + var x uint16 + var s uint8 + for i := 0; i < 3; i++ { + slog.Debug("reading u16 byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u16 byte: %w", err) + } + if s == 14 && b > 0x03 { + return x, errors.New("varint overflows a 16-bit integer") + } + if b < 0x80 { + return x | uint16(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + write1__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v uint16, w io.Writer) (err error) { + b := make([]byte, binary.MaxVarintLen16) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing u16") + _, err = w.Write(b[:i]) + return err + }(statusCode, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `status-code` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + if write1__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `status-code` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "outgoing-response.set-status-code", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]outgoing-response.set-status-code`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-response.set-status-code", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-response.set-status-code", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[struct{}, struct{}], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + var v struct{} + return &wrpc.Result[struct{}, struct{}]{Ok: &v}, nil + case 1: + var v struct{} + return &wrpc.Result[struct{}, struct{}]{Err: &v}, nil + default: + return nil, fmt.Errorf("invalid result status byte %d", status) + } + }(r__, []uint32{0}...) + if err__ != nil { + err__ = fmt.Errorf("failed to read result 0: %w", err__) + return + } + return +} + +// Get the headers associated with the Request. +// +// The returned `headers` resource is immutable: `set`, `append`, and +// `delete` operations will fail with `header-error.immutable`. +// +// This headers resource is a child: it must be dropped before the parent +// `outgoing-request` is dropped, or its ownership is transfered to +// another component by e.g. `outgoing-handler.handle`. +func OutgoingResponse_Headers(ctx__ context.Context, wrpc__ wrpc.Invoker, self wrpc.Borrow[OutgoingResponse]) (r0__ wrpc.Own[Headers], err__ error) { + var buf__ bytes.Buffer + write0__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "outgoing-response.headers", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]outgoing-response.headers`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-response.headers", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-response.headers", "err", cErr__) + } + r0__, err__ = func(r interface { + io.ByteReader + io.Reader + }) (wrpc.Own[Headers], error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading owned resource ID length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "outgoing-response.body", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]outgoing-response.body`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-response.body", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-response.body", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[wrpc.Own[OutgoingBody], struct{}], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + slog.Debug("reading `result::ok` payload") + v, err := func(r interface { + io.ByteReader + io.Reader + }) (wrpc.Own[OutgoingBody], error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading owned resource ID length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "outgoing-body.write", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]outgoing-body.write`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-body.write", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-body.write", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[wrpc.Own[OutputStream], struct{}], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + slog.Debug("reading `result::ok` payload") + v, err := func(r interface { + io.ByteReader + io.Reader + }) (wrpc.Own[OutputStream], error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading owned resource ID length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(this), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `this` parameter: %w", err__) + return + } + write1__, err__ := func(v *wrpc.Own[Trailers], w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(*v), w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(trailers, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `trailers` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `this` parameter") + return + } + if write1__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `trailers` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "outgoing-body.finish", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[static]outgoing-body.finish`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[static]outgoing-body.finish", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[static]outgoing-body.finish", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[struct{}, ErrorCode], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + var v struct{} + return &wrpc.Result[struct{}, ErrorCode]{Ok: &v}, nil + case 1: + slog.Debug("reading `result::err` payload") + v, err := func(r wrpc.IndexReader, path ...uint32) (*ErrorCode, error) { + v := &ErrorCode{} + n, err := func(r io.ByteReader) (uint8, error) { + var x uint8 + var s uint + for i := 0; i < 2; i++ { + slog.Debug("reading u8 discriminant byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u8 discriminant byte: %w", err) + } + if s == 7 && b > 0x01 { + return x, errors.New("discriminant overflows an 8-bit integer") + } + if b < 0x80 { + return x | uint8(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u16 byte: %w", err) + } + if s == 14 && b > 0x03 { + return x, errors.New("varint overflows a 16-bit integer") + } + if b < 0x80 { + return x | uint16(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u64 byte: %w", err) + } + if s == 63 && b > 0x01 { + return x, errors.New("varint overflows a 64-bit integer") + } + if b < 0x80 { + return x | uint64(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u64 byte: %w", err) + } + if s == 63 && b > 0x01 { + return x, errors.New("varint overflows a 64-bit integer") + } + if b < 0x80 { + return x | uint64(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "future-incoming-response.subscribe", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]future-incoming-response.subscribe`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]future-incoming-response.subscribe", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]future-incoming-response.subscribe", "err", cErr__) + } + r0__, err__ = func(r interface { + io.ByteReader + io.Reader + }) (wrpc.Own[Pollable], error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading owned resource ID length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "future-incoming-response.get", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]future-incoming-response.get`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]future-incoming-response.get", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]future-incoming-response.get", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[wrpc.Result[wrpc.Own[IncomingResponse], ErrorCode], struct{}], error) { + slog.Debug("reading option status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read option status byte: %w", err) + } + switch status { + case 0: + return nil, nil + case 1: + slog.Debug("reading `option::some` payload") + v, err := func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[wrpc.Result[wrpc.Own[IncomingResponse], ErrorCode], struct{}], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + slog.Debug("reading `result::ok` payload") + v, err := func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[wrpc.Own[IncomingResponse], ErrorCode], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + slog.Debug("reading `result::ok` payload") + v, err := func(r interface { + io.ByteReader + io.Reader + }) (wrpc.Own[IncomingResponse], error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading owned resource ID length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u8 discriminant byte: %w", err) + } + if s == 7 && b > 0x01 { + return x, errors.New("discriminant overflows an 8-bit integer") + } + if b < 0x80 { + return x | uint8(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u16 byte: %w", err) + } + if s == 14 && b > 0x03 { + return x, errors.New("varint overflows a 16-bit integer") + } + if b < 0x80 { + return x | uint16(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u64 byte: %w", err) + } + if s == 63 && b > 0x01 { + return x, errors.New("varint overflows a 64-bit integer") + } + if b < 0x80 { + return x | uint64(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u64 byte: %w", err) + } + if s == 63 && b > 0x01 { + return x, errors.New("varint overflows a 64-bit integer") + } + if b < 0x80 { + return x | uint64(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)<` and returns +// `option`. +// +// The set of functions which can "downcast" an `error` into a more +// concrete type is open. +type Error interface{} + +// Returns a string that is suitable to assist humans in debugging +// this error. +// +// WARNING: The returned string should not be consumed mechanically! +// It may change across platforms, hosts, or other implementation +// details. Parsing this string is a major platform-compatibility +// hazard. +func Error_ToDebugString(ctx__ context.Context, wrpc__ wrpc.Invoker, self wrpc.Borrow[Error]) (r0__ string, err__ error) { + var buf__ bytes.Buffer + write0__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:io/error@0.2.0", "error.to-debug-string", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]error.to-debug-string`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:io/error@0.2.0", "name", "[method]error.to-debug-string", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:io/error@0.2.0", "name", "[method]error.to-debug-string", "err", cErr__) + } + r0__, err__ = func(r interface { + io.ByteReader + io.Reader + }) (string, error) { + var x uint32 + var s uint8 + for i := 0; i < 5; i++ { + slog.Debug("reading string length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:io/poll@0.2.0", "pollable.ready", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]pollable.ready`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:io/poll@0.2.0", "name", "[method]pollable.ready", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:io/poll@0.2.0", "name", "[method]pollable.ready", "err", cErr__) + } + r0__, err__ = func(r io.ByteReader) (bool, error) { + slog.Debug("reading bool byte") + v, err := r.ReadByte() + if err != nil { + slog.Debug("reading bool", "value", false) + return false, fmt.Errorf("failed to read bool byte: %w", err) + } + switch v { + case 0: + return false, nil + case 1: + return true, nil + default: + return false, fmt.Errorf("invalid bool value %d", v) + } + }(r__) + if err__ != nil { + err__ = fmt.Errorf("failed to read result 0: %w", err__) + return + } + return +} + +// `block` returns immediately if the pollable is ready, and otherwise +// blocks until ready. +// +// This function is equivalent to calling `poll.poll` on a list +// containing only this pollable. +func Pollable_Block(ctx__ context.Context, wrpc__ wrpc.Invoker, self wrpc.Borrow[Pollable]) (err__ error) { + var buf__ bytes.Buffer + write0__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:io/poll@0.2.0", "pollable.block", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]pollable.block`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:io/poll@0.2.0", "name", "[method]pollable.block", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:io/poll@0.2.0", "name", "[method]pollable.block", "err", cErr__) + } + return +} + +// Poll for completion on a set of pollables. +// +// This function takes a list of pollables, which identify I/O sources of +// interest, and waits until one or more of the events is ready for I/O. +// +// The result `list` contains one or more indices of handles in the +// argument list that is ready for I/O. +// +// If the list contains more elements than can be indexed with a `u32` +// value, this function traps. +// +// A timeout can be implemented by adding a pollable from the +// wasi-clocks API to the list. +// +// This function does not return a `result`; polling in itself does not +// do any I/O so it doesn't fail. If any of the I/O sources identified by +// the pollables has an error, it is indicated by marking the source as +// being reaedy for I/O. +func Poll(ctx__ context.Context, wrpc__ wrpc.Invoker, in []wrpc.Borrow[Pollable]) (r0__ []uint32, err__ error) { + var buf__ bytes.Buffer + write0__, err__ := func(v []wrpc.Borrow[Pollable], w interface { + io.ByteWriter + io.Writer + }) (write func(wrpc.IndexWriter) error, err error) { + n := len(v) + if n > math.MaxUint32 { + return nil, fmt.Errorf("list length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing list length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return nil, fmt.Errorf("failed to write list length of %d: %w", n, err) + } + slog.Debug("writing list elements") + writes := make(map[uint32]func(wrpc.IndexWriter) error, n) + for i, e := range v { + write, err := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(e), w) + if err != nil { + return nil, fmt.Errorf("failed to write list element %d: %w", i, err) + } + if write != nil { + writes[uint32(i)] = write + } + } + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil + }(in, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `in` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `in` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:io/poll@0.2.0", "poll", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `poll`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:io/poll@0.2.0", "name", "poll", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:io/poll@0.2.0", "name", "poll", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) ([]uint32, error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading list length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return nil, fmt.Errorf("failed to read list length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return nil, errors.New("list length overflows a 32-bit integer") + } + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(payload), w) + if err != nil { + return nil, fmt.Errorf("failed to write payload: %w", err) + } + + if write != nil { + return func(w wrpc.IndexWriter) error { + w, err := w.Index(0) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + return write(w) + }, nil + } + case StreamErrorClosed: + default: + return nil, errors.New("invalid variant") + } + return nil, nil +} + +// An input bytestream. +// +// `input-stream`s are *non-blocking* to the extent practical on underlying +// platforms. I/O operations always return promptly; if fewer bytes are +// promptly available than requested, they return the number of bytes promptly +// available, which could even be zero. To wait for data to be available, +// use the `subscribe` function to obtain a `pollable` which can be polled +// for using `wasi:io/poll`. +type InputStream interface{} + +// An output bytestream. +// +// `output-stream`s are *non-blocking* to the extent practical on +// underlying platforms. Except where specified otherwise, I/O operations also +// always return promptly, after the number of bytes that can be written +// promptly, which could even be zero. To wait for the stream to be ready to +// accept data, the `subscribe` function to obtain a `pollable` which can be +// polled for using `wasi:io/poll`. +type OutputStream interface{} + +// Perform a non-blocking read from the stream. +// +// When the source of a `read` is binary data, the bytes from the source +// are returned verbatim. When the source of a `read` is known to the +// implementation to be text, bytes containing the UTF-8 encoding of the +// text are returned. +// +// This function returns a list of bytes containing the read data, +// when successful. The returned list will contain up to `len` bytes; +// it may return fewer than requested, but not more. The list is +// empty when no bytes are available for reading at this time. The +// pollable given by `subscribe` will be ready when more bytes are +// available. +// +// This function fails with a `stream-error` when the operation +// encounters an error, giving `last-operation-failed`, or when the +// stream is closed, giving `closed`. +// +// When the caller gives a `len` of 0, it represents a request to +// read 0 bytes. If the stream is still open, this call should +// succeed and return an empty list, or otherwise fail with `closed`. +// +// The `len` parameter is a `u64`, which could represent a list of u8 which +// is not possible to allocate in wasm32, or not desirable to allocate as +// as a return value by the callee. The callee may return a list of bytes +// less than `len` in size while more bytes are available for reading. +func InputStream_Read(ctx__ context.Context, wrpc__ wrpc.Invoker, self wrpc.Borrow[InputStream], len_ uint64) (r0__ *wrpc.Result[[]uint8, StreamError], err__ error) { + var buf__ bytes.Buffer + write0__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + write1__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v uint64, w io.Writer) (err error) { + b := make([]byte, binary.MaxVarintLen64) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing u64") + _, err = w.Write(b[:i]) + return err + }(len_, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `len` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + if write1__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `len` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:io/streams@0.2.0", "input-stream.read", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]input-stream.read`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:io/streams@0.2.0", "name", "[method]input-stream.read", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:io/streams@0.2.0", "name", "[method]input-stream.read", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[[]uint8, StreamError], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + slog.Debug("reading `result::ok` payload") + v, err := func(r interface { + io.ByteReader + io.Reader + }) ([]byte, error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading byte list length", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return nil, fmt.Errorf("failed to read byte list length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return nil, errors.New("byte list length overflows a 32-bit integer") + } + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u8 discriminant byte: %w", err) + } + if s == 7 && b > 0x01 { + return x, errors.New("discriminant overflows an 8-bit integer") + } + if b < 0x80 { + return x | uint8(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + write1__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v uint64, w io.Writer) (err error) { + b := make([]byte, binary.MaxVarintLen64) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing u64") + _, err = w.Write(b[:i]) + return err + }(len_, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `len` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + if write1__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `len` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:io/streams@0.2.0", "input-stream.blocking-read", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]input-stream.blocking-read`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:io/streams@0.2.0", "name", "[method]input-stream.blocking-read", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:io/streams@0.2.0", "name", "[method]input-stream.blocking-read", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[[]uint8, StreamError], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + slog.Debug("reading `result::ok` payload") + v, err := func(r interface { + io.ByteReader + io.Reader + }) ([]byte, error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading byte list length", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return nil, fmt.Errorf("failed to read byte list length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return nil, errors.New("byte list length overflows a 32-bit integer") + } + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u8 discriminant byte: %w", err) + } + if s == 7 && b > 0x01 { + return x, errors.New("discriminant overflows an 8-bit integer") + } + if b < 0x80 { + return x | uint8(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + write1__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v uint64, w io.Writer) (err error) { + b := make([]byte, binary.MaxVarintLen64) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing u64") + _, err = w.Write(b[:i]) + return err + }(len_, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `len` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + if write1__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `len` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:io/streams@0.2.0", "input-stream.skip", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]input-stream.skip`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:io/streams@0.2.0", "name", "[method]input-stream.skip", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:io/streams@0.2.0", "name", "[method]input-stream.skip", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[uint64, StreamError], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + slog.Debug("reading `result::ok` payload") + v, err := func(r io.ByteReader) (uint64, error) { + var x uint64 + var s uint8 + for i := 0; i < 10; i++ { + slog.Debug("reading u64 byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u64 byte: %w", err) + } + if s == 63 && b > 0x01 { + return x, errors.New("varint overflows a 64-bit integer") + } + if b < 0x80 { + return x | uint64(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u8 discriminant byte: %w", err) + } + if s == 7 && b > 0x01 { + return x, errors.New("discriminant overflows an 8-bit integer") + } + if b < 0x80 { + return x | uint8(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + write1__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v uint64, w io.Writer) (err error) { + b := make([]byte, binary.MaxVarintLen64) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing u64") + _, err = w.Write(b[:i]) + return err + }(len_, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `len` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + if write1__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `len` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:io/streams@0.2.0", "input-stream.blocking-skip", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]input-stream.blocking-skip`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:io/streams@0.2.0", "name", "[method]input-stream.blocking-skip", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:io/streams@0.2.0", "name", "[method]input-stream.blocking-skip", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[uint64, StreamError], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + slog.Debug("reading `result::ok` payload") + v, err := func(r io.ByteReader) (uint64, error) { + var x uint64 + var s uint8 + for i := 0; i < 10; i++ { + slog.Debug("reading u64 byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u64 byte: %w", err) + } + if s == 63 && b > 0x01 { + return x, errors.New("varint overflows a 64-bit integer") + } + if b < 0x80 { + return x | uint64(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u8 discriminant byte: %w", err) + } + if s == 7 && b > 0x01 { + return x, errors.New("discriminant overflows an 8-bit integer") + } + if b < 0x80 { + return x | uint8(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:io/streams@0.2.0", "input-stream.subscribe", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]input-stream.subscribe`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:io/streams@0.2.0", "name", "[method]input-stream.subscribe", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:io/streams@0.2.0", "name", "[method]input-stream.subscribe", "err", cErr__) + } + r0__, err__ = func(r interface { + io.ByteReader + io.Reader + }) (wrpc.Own[Pollable], error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading owned resource ID length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:io/streams@0.2.0", "output-stream.check-write", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]output-stream.check-write`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:io/streams@0.2.0", "name", "[method]output-stream.check-write", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:io/streams@0.2.0", "name", "[method]output-stream.check-write", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[uint64, StreamError], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + slog.Debug("reading `result::ok` payload") + v, err := func(r io.ByteReader) (uint64, error) { + var x uint64 + var s uint8 + for i := 0; i < 10; i++ { + slog.Debug("reading u64 byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u64 byte: %w", err) + } + if s == 63 && b > 0x01 { + return x, errors.New("varint overflows a 64-bit integer") + } + if b < 0x80 { + return x | uint64(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u8 discriminant byte: %w", err) + } + if s == 7 && b > 0x01 { + return x, errors.New("discriminant overflows an 8-bit integer") + } + if b < 0x80 { + return x | uint8(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + write1__, err__ := func(v []uint8, w interface { + io.ByteWriter + io.Writer + }) (write func(wrpc.IndexWriter) error, err error) { + n := len(v) + if n > math.MaxUint32 { + return nil, fmt.Errorf("list length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing list length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return nil, fmt.Errorf("failed to write list length of %d: %w", n, err) + } + slog.Debug("writing list elements") + writes := make(map[uint32]func(wrpc.IndexWriter) error, n) + for i, e := range v { + write, err := (func(wrpc.IndexWriter) error)(nil), func(v uint8, w io.ByteWriter) error { + slog.Debug("writing u8 byte") + return w.WriteByte(v) + }(e, w) + if err != nil { + return nil, fmt.Errorf("failed to write list element %d: %w", i, err) + } + if write != nil { + writes[uint32(i)] = write + } + } + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil + }(contents, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `contents` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + if write1__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `contents` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:io/streams@0.2.0", "output-stream.write", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]output-stream.write`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:io/streams@0.2.0", "name", "[method]output-stream.write", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:io/streams@0.2.0", "name", "[method]output-stream.write", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[struct{}, StreamError], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + var v struct{} + return &wrpc.Result[struct{}, StreamError]{Ok: &v}, nil + case 1: + slog.Debug("reading `result::err` payload") + v, err := func(r wrpc.IndexReader, path ...uint32) (*StreamError, error) { + v := &StreamError{} + n, err := func(r io.ByteReader) (uint8, error) { + var x uint8 + var s uint + for i := 0; i < 2; i++ { + slog.Debug("reading u8 discriminant byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u8 discriminant byte: %w", err) + } + if s == 7 && b > 0x01 { + return x, errors.New("discriminant overflows an 8-bit integer") + } + if b < 0x80 { + return x | uint8(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + write1__, err__ := func(v []uint8, w interface { + io.ByteWriter + io.Writer + }) (write func(wrpc.IndexWriter) error, err error) { + n := len(v) + if n > math.MaxUint32 { + return nil, fmt.Errorf("list length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing list length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return nil, fmt.Errorf("failed to write list length of %d: %w", n, err) + } + slog.Debug("writing list elements") + writes := make(map[uint32]func(wrpc.IndexWriter) error, n) + for i, e := range v { + write, err := (func(wrpc.IndexWriter) error)(nil), func(v uint8, w io.ByteWriter) error { + slog.Debug("writing u8 byte") + return w.WriteByte(v) + }(e, w) + if err != nil { + return nil, fmt.Errorf("failed to write list element %d: %w", i, err) + } + if write != nil { + writes[uint32(i)] = write + } + } + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil + }(contents, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `contents` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + if write1__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `contents` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:io/streams@0.2.0", "output-stream.blocking-write-and-flush", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]output-stream.blocking-write-and-flush`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:io/streams@0.2.0", "name", "[method]output-stream.blocking-write-and-flush", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:io/streams@0.2.0", "name", "[method]output-stream.blocking-write-and-flush", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[struct{}, StreamError], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + var v struct{} + return &wrpc.Result[struct{}, StreamError]{Ok: &v}, nil + case 1: + slog.Debug("reading `result::err` payload") + v, err := func(r wrpc.IndexReader, path ...uint32) (*StreamError, error) { + v := &StreamError{} + n, err := func(r io.ByteReader) (uint8, error) { + var x uint8 + var s uint + for i := 0; i < 2; i++ { + slog.Debug("reading u8 discriminant byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u8 discriminant byte: %w", err) + } + if s == 7 && b > 0x01 { + return x, errors.New("discriminant overflows an 8-bit integer") + } + if b < 0x80 { + return x | uint8(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:io/streams@0.2.0", "output-stream.flush", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]output-stream.flush`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:io/streams@0.2.0", "name", "[method]output-stream.flush", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:io/streams@0.2.0", "name", "[method]output-stream.flush", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[struct{}, StreamError], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + var v struct{} + return &wrpc.Result[struct{}, StreamError]{Ok: &v}, nil + case 1: + slog.Debug("reading `result::err` payload") + v, err := func(r wrpc.IndexReader, path ...uint32) (*StreamError, error) { + v := &StreamError{} + n, err := func(r io.ByteReader) (uint8, error) { + var x uint8 + var s uint + for i := 0; i < 2; i++ { + slog.Debug("reading u8 discriminant byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u8 discriminant byte: %w", err) + } + if s == 7 && b > 0x01 { + return x, errors.New("discriminant overflows an 8-bit integer") + } + if b < 0x80 { + return x | uint8(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:io/streams@0.2.0", "output-stream.blocking-flush", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]output-stream.blocking-flush`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:io/streams@0.2.0", "name", "[method]output-stream.blocking-flush", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:io/streams@0.2.0", "name", "[method]output-stream.blocking-flush", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[struct{}, StreamError], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + var v struct{} + return &wrpc.Result[struct{}, StreamError]{Ok: &v}, nil + case 1: + slog.Debug("reading `result::err` payload") + v, err := func(r wrpc.IndexReader, path ...uint32) (*StreamError, error) { + v := &StreamError{} + n, err := func(r io.ByteReader) (uint8, error) { + var x uint8 + var s uint + for i := 0; i < 2; i++ { + slog.Debug("reading u8 discriminant byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u8 discriminant byte: %w", err) + } + if s == 7 && b > 0x01 { + return x, errors.New("discriminant overflows an 8-bit integer") + } + if b < 0x80 { + return x | uint8(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)<0, or an +// error. +// +// If the stream is closed, this pollable is always ready immediately. +// +// The created `pollable` is a child resource of the `output-stream`. +// Implementations may trap if the `output-stream` is dropped before +// all derived `pollable`s created with this function are dropped. +func OutputStream_Subscribe(ctx__ context.Context, wrpc__ wrpc.Invoker, self wrpc.Borrow[OutputStream]) (r0__ wrpc.Own[Pollable], err__ error) { + var buf__ bytes.Buffer + write0__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:io/streams@0.2.0", "output-stream.subscribe", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]output-stream.subscribe`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:io/streams@0.2.0", "name", "[method]output-stream.subscribe", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:io/streams@0.2.0", "name", "[method]output-stream.subscribe", "err", cErr__) + } + r0__, err__ = func(r interface { + io.ByteReader + io.Reader + }) (wrpc.Own[Pollable], error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading owned resource ID length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + write1__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v uint64, w io.Writer) (err error) { + b := make([]byte, binary.MaxVarintLen64) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing u64") + _, err = w.Write(b[:i]) + return err + }(len_, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `len` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + if write1__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `len` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:io/streams@0.2.0", "output-stream.write-zeroes", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]output-stream.write-zeroes`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:io/streams@0.2.0", "name", "[method]output-stream.write-zeroes", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:io/streams@0.2.0", "name", "[method]output-stream.write-zeroes", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[struct{}, StreamError], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + var v struct{} + return &wrpc.Result[struct{}, StreamError]{Ok: &v}, nil + case 1: + slog.Debug("reading `result::err` payload") + v, err := func(r wrpc.IndexReader, path ...uint32) (*StreamError, error) { + v := &StreamError{} + n, err := func(r io.ByteReader) (uint8, error) { + var x uint8 + var s uint + for i := 0; i < 2; i++ { + slog.Debug("reading u8 discriminant byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u8 discriminant byte: %w", err) + } + if s == 7 && b > 0x01 { + return x, errors.New("discriminant overflows an 8-bit integer") + } + if b < 0x80 { + return x | uint8(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + write1__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v uint64, w io.Writer) (err error) { + b := make([]byte, binary.MaxVarintLen64) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing u64") + _, err = w.Write(b[:i]) + return err + }(len_, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `len` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + if write1__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `len` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:io/streams@0.2.0", "output-stream.blocking-write-zeroes-and-flush", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]output-stream.blocking-write-zeroes-and-flush`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:io/streams@0.2.0", "name", "[method]output-stream.blocking-write-zeroes-and-flush", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:io/streams@0.2.0", "name", "[method]output-stream.blocking-write-zeroes-and-flush", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[struct{}, StreamError], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + var v struct{} + return &wrpc.Result[struct{}, StreamError]{Ok: &v}, nil + case 1: + slog.Debug("reading `result::err` payload") + v, err := func(r wrpc.IndexReader, path ...uint32) (*StreamError, error) { + v := &StreamError{} + n, err := func(r io.ByteReader) (uint8, error) { + var x uint8 + var s uint + for i := 0; i < 2; i++ { + slog.Debug("reading u8 discriminant byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u8 discriminant byte: %w", err) + } + if s == 7 && b > 0x01 { + return x, errors.New("discriminant overflows an 8-bit integer") + } + if b < 0x80 { + return x | uint8(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + write1__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(src), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `src` parameter: %w", err__) + return + } + write2__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v uint64, w io.Writer) (err error) { + b := make([]byte, binary.MaxVarintLen64) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing u64") + _, err = w.Write(b[:i]) + return err + }(len_, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `len` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + if write1__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `src` parameter") + return + } + if write2__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `len` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:io/streams@0.2.0", "output-stream.splice", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]output-stream.splice`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:io/streams@0.2.0", "name", "[method]output-stream.splice", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:io/streams@0.2.0", "name", "[method]output-stream.splice", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[uint64, StreamError], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + slog.Debug("reading `result::ok` payload") + v, err := func(r io.ByteReader) (uint64, error) { + var x uint64 + var s uint8 + for i := 0; i < 10; i++ { + slog.Debug("reading u64 byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u64 byte: %w", err) + } + if s == 63 && b > 0x01 { + return x, errors.New("varint overflows a 64-bit integer") + } + if b < 0x80 { + return x | uint64(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u8 discriminant byte: %w", err) + } + if s == 7 && b > 0x01 { + return x, errors.New("discriminant overflows an 8-bit integer") + } + if b < 0x80 { + return x | uint8(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + write1__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(src), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `src` parameter: %w", err__) + return + } + write2__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v uint64, w io.Writer) (err error) { + b := make([]byte, binary.MaxVarintLen64) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing u64") + _, err = w.Write(b[:i]) + return err + }(len_, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `len` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + if write1__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `src` parameter") + return + } + if write2__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `len` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:io/streams@0.2.0", "output-stream.blocking-splice", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]output-stream.blocking-splice`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:io/streams@0.2.0", "name", "[method]output-stream.blocking-splice", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:io/streams@0.2.0", "name", "[method]output-stream.blocking-splice", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[uint64, StreamError], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + slog.Debug("reading `result::ok` payload") + v, err := func(r io.ByteReader) (uint64, error) { + var x uint64 + var s uint8 + for i := 0; i < 10; i++ { + slog.Debug("reading u64 byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u64 byte: %w", err) + } + if s == 63 && b > 0x01 { + return x, errors.New("varint overflows a 64-bit integer") + } + if b < 0x80 { + return x | uint64(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u8 discriminant byte: %w", err) + } + if s == 7 && b > 0x01 { + return x, errors.New("discriminant overflows an 8-bit integer") + } + if b < 0x80 { + return x | uint8(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< 0 { + writeErrCh__ := make(chan error, uint(writeCount__)) + writeErrs__ = writeErrCh__ + var wg__ sync.WaitGroup + for index, write := range writes__ { + wg__.Add(1) + w, err := w__.Index(index) + if err != nil { + if cErr := w__.Close(); cErr != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wrpc:http/incoming-handler@0.1.0", "name", "handle", "err", cErr) + } + err__ = fmt.Errorf("failed to index writer at index `%v`: %w", index, err) + return + } + write := write + go func() { + defer wg__.Done() + if err := write(w); err != nil { + writeErrCh__ <- err + } + }() + } + go func() { + wg__.Wait() + close(writeErrCh__) + }() + } + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wrpc:http/incoming-handler@0.1.0", "name", "handle", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[Response, ErrorCode], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + slog.Debug("reading `result::ok` payload") + v, err := func() (*Response, error) { + v, err := func(r wrpc.IndexReader, path ...uint32) (*wrpc__http__types.Response, error) { + v := &wrpc__http__types.Response{} + var err error + slog.Debug("reading field", "name", "body") + v.Body, err = func(r wrpc.IndexReader, path ...uint32) (io.Reader, error) { + slog.Debug("reading byte stream status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read byte stream status byte: %w", err) + } + switch status { + case 0: + r, err := r.Index(path...) + if err != nil { + return nil, fmt.Errorf("failed to index reader: %w", err) + } + return wrpc.NewByteStreamReader(r), nil + case 1: + slog.Debug("reading ready byte stream contents") + buf, err := + func(r interface { + io.ByteReader + io.Reader + }) ([]byte, error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading byte list length", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return nil, fmt.Errorf("failed to read byte list length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return nil, errors.New("byte list length overflows a 32-bit integer") + } + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return nil, fmt.Errorf("failed to read list length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return nil, errors.New("list length overflows a 32-bit integer") + } + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return nil, fmt.Errorf("failed to read list length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return nil, errors.New("list length overflows a 32-bit integer") + } + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return nil, fmt.Errorf("failed to read byte list length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return nil, errors.New("byte list length overflows a 32-bit integer") + } + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return nil, fmt.Errorf("failed to read list length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return nil, errors.New("list length overflows a 32-bit integer") + } + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return nil, fmt.Errorf("failed to read list length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return nil, errors.New("list length overflows a 32-bit integer") + } + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return nil, fmt.Errorf("failed to read byte list length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return nil, errors.New("byte list length overflows a 32-bit integer") + } + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u16 byte: %w", err) + } + if s == 14 && b > 0x03 { + return x, errors.New("varint overflows a 16-bit integer") + } + if b < 0x80 { + return x | uint16(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return nil, fmt.Errorf("failed to read list length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return nil, errors.New("list length overflows a 32-bit integer") + } + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return nil, fmt.Errorf("failed to read list length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return nil, errors.New("list length overflows a 32-bit integer") + } + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return nil, fmt.Errorf("failed to read byte list length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return nil, errors.New("byte list length overflows a 32-bit integer") + } + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u8 discriminant byte: %w", err) + } + if s == 7 && b > 0x01 { + return x, errors.New("discriminant overflows an 8-bit integer") + } + if b < 0x80 { + return x | uint8(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u16 byte: %w", err) + } + if s == 14 && b > 0x03 { + return x, errors.New("varint overflows a 16-bit integer") + } + if b < 0x80 { + return x | uint16(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u64 byte: %w", err) + } + if s == 63 && b > 0x01 { + return x, errors.New("varint overflows a 64-bit integer") + } + if b < 0x80 { + return x | uint64(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u64 byte: %w", err) + } + if s == 63 && b > 0x01 { + return x, errors.New("varint overflows a 64-bit integer") + } + if b < 0x80 { + return x | uint64(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil +} + +type Request struct { + Body io.Reader + Trailers wrpc.Receiver[[]*wrpc.Tuple2[string, [][]uint8]] + Method *wasi__http__types.Method + PathWithQuery *string + Scheme *Scheme + Authority *string + Headers []*wrpc.Tuple2[string, [][]uint8] +} + +func (v *Request) String() string { return "Request" } + +func (v *Request) WriteToIndex(w wrpc.ByteWriter) (func(wrpc.IndexWriter) error, error) { + writes := make(map[uint32]func(wrpc.IndexWriter) error, 7) + slog.Debug("writing field", "name", "body") + write0, err := func(v io.Reader, w interface { + io.ByteWriter + io.Writer + }) (write func(wrpc.IndexWriter) error, err error) { + slog.Debug("writing byte stream `stream::pending` status byte") + if err = w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `stream::pending` byte: %w", err) + } + return func(w wrpc.IndexWriter) (err error) { + defer func() { + body, ok := v.(io.Closer) + if ok { + if cErr := body.Close(); cErr != nil { + if err == nil { + err = fmt.Errorf("failed to close pending byte stream: %w", cErr) + } else { + slog.Warn("failed to close pending byte stream", "err", cErr) + } + } + } + }() + chunk := make([]byte, 8096) + for { + var end bool + slog.Debug("reading pending byte stream contents") + n, err := v.Read(chunk) + if err == io.EOF { + end = true + slog.Debug("pending byte stream reached EOF") + } else if err != nil { + return fmt.Errorf("failed to read pending byte stream chunk: %w", err) + } + if n > math.MaxUint32 { + return fmt.Errorf("pending byte stream chunk length of %d overflows a 32-bit integer", n) + } + slog.Debug("writing pending byte stream chunk length", "len", n) + if err := wrpc.WriteUint32(uint32(n), w); err != nil { + return fmt.Errorf("failed to write pending byte stream chunk length of %d: %w", n, err) + } + _, err = w.Write(chunk[:n]) + if err != nil { + return fmt.Errorf("failed to write pending byte stream chunk contents: %w", err) + } + if end { + if err := w.WriteByte(0); err != nil { + return fmt.Errorf("failed to write pending byte stream end byte: %w", err) + } + return nil + } + } + }, nil + }(v.Body, w) + if err != nil { + return nil, fmt.Errorf("failed to write `body` field: %w", err) + } + if write0 != nil { + writes[0] = write0 + } + slog.Debug("writing field", "name", "trailers") + write1, err := func(v wrpc.Receiver[[]*wrpc.Tuple2[string, [][]uint8]], w interface { + io.ByteWriter + io.Writer + }) (write func(wrpc.IndexWriter) error, err error) { + slog.Debug("writing future `future::pending` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `future::pending` byte: %w", err) + } + return func(w wrpc.IndexWriter) (err error) { + defer func() { + body, ok := v.(io.Closer) + if ok { + if cErr := body.Close(); cErr != nil { + if err == nil { + err = fmt.Errorf("failed to close pending future: %w", cErr) + } else { + slog.Warn("failed to close pending future", "err", cErr) + } + } + } + }() + slog.Debug("receiving outgoing pending future contents") + rx, err := v.Receive() + if err != nil { + return fmt.Errorf("failed to receive outgoing pending future: %w", err) + } + slog.Debug("writing pending future element") + write, err := func(v []*wrpc.Tuple2[string, [][]uint8], w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := func(v []*wrpc.Tuple2[string, [][]uint8], w interface { + io.ByteWriter + io.Writer + }) (write func(wrpc.IndexWriter) error, err error) { + n := len(v) + if n > math.MaxUint32 { + return nil, fmt.Errorf("list length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing list length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return nil, fmt.Errorf("failed to write list length of %d: %w", n, err) + } + slog.Debug("writing list elements") + writes := make(map[uint32]func(wrpc.IndexWriter) error, n) + for i, e := range v { + write, err := func(v *wrpc.Tuple2[string, [][]uint8], w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + writes := make(map[uint32]func(wrpc.IndexWriter) error, 2) + slog.Debug("writing tuple element 0") + write0, err := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(v.V0, w) + if err != nil { + return nil, fmt.Errorf("failed to write tuple element 0: %w", err) + } + if write0 != nil { + writes[0] = write0 + } + slog.Debug("writing tuple element 1") + write1, err := func(v [][]uint8, w interface { + io.ByteWriter + io.Writer + }) (write func(wrpc.IndexWriter) error, err error) { + n := len(v) + if n > math.MaxUint32 { + return nil, fmt.Errorf("list length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing list length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return nil, fmt.Errorf("failed to write list length of %d: %w", n, err) + } + slog.Debug("writing list elements") + writes := make(map[uint32]func(wrpc.IndexWriter) error, n) + for i, e := range v { + write, err := func(v []uint8, w interface { + io.ByteWriter + io.Writer + }) (write func(wrpc.IndexWriter) error, err error) { + n := len(v) + if n > math.MaxUint32 { + return nil, fmt.Errorf("list length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing list length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return nil, fmt.Errorf("failed to write list length of %d: %w", n, err) + } + slog.Debug("writing list elements") + writes := make(map[uint32]func(wrpc.IndexWriter) error, n) + for i, e := range v { + write, err := (func(wrpc.IndexWriter) error)(nil), func(v uint8, w io.ByteWriter) error { + slog.Debug("writing u8 byte") + return w.WriteByte(v) + }(e, w) + if err != nil { + return nil, fmt.Errorf("failed to write list element %d: %w", i, err) + } + if write != nil { + writes[uint32(i)] = write + } + } + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil + }(e, w) + if err != nil { + return nil, fmt.Errorf("failed to write list element %d: %w", i, err) + } + if write != nil { + writes[uint32(i)] = write + } + } + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil + }(v.V1, w) + if err != nil { + return nil, fmt.Errorf("failed to write tuple element 1: %w", err) + } + if write1 != nil { + writes[1] = write1 + } + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil + }(e, w) + if err != nil { + return nil, fmt.Errorf("failed to write list element %d: %w", i, err) + } + if write != nil { + writes[uint32(i)] = write + } + } + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil + }(v, w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(rx, w) + if err != nil { + return fmt.Errorf("failed to write pending future element: %w", err) + } + if write != nil { + return write(w) + } + return nil + }, nil + }(v.Trailers, w) + if err != nil { + return nil, fmt.Errorf("failed to write `trailers` field: %w", err) + } + if write1 != nil { + writes[1] = write1 + } + slog.Debug("writing field", "name", "method") + write2, err := (v.Method).WriteToIndex(w) + if err != nil { + return nil, fmt.Errorf("failed to write `method` field: %w", err) + } + if write2 != nil { + writes[2] = write2 + } + slog.Debug("writing field", "name", "path-with-query") + write3, err := func(v *string, w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(*v, w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(v.PathWithQuery, w) + if err != nil { + return nil, fmt.Errorf("failed to write `path-with-query` field: %w", err) + } + if write3 != nil { + writes[3] = write3 + } + slog.Debug("writing field", "name", "scheme") + write4, err := func(v *Scheme, w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := (v).WriteToIndex(w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(v.Scheme, w) + if err != nil { + return nil, fmt.Errorf("failed to write `scheme` field: %w", err) + } + if write4 != nil { + writes[4] = write4 + } + slog.Debug("writing field", "name", "authority") + write5, err := func(v *string, w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(*v, w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(v.Authority, w) + if err != nil { + return nil, fmt.Errorf("failed to write `authority` field: %w", err) + } + if write5 != nil { + writes[5] = write5 + } + slog.Debug("writing field", "name", "headers") + write6, err := func(v []*wrpc.Tuple2[string, [][]uint8], w interface { + io.ByteWriter + io.Writer + }) (write func(wrpc.IndexWriter) error, err error) { + n := len(v) + if n > math.MaxUint32 { + return nil, fmt.Errorf("list length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing list length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return nil, fmt.Errorf("failed to write list length of %d: %w", n, err) + } + slog.Debug("writing list elements") + writes := make(map[uint32]func(wrpc.IndexWriter) error, n) + for i, e := range v { + write, err := func(v *wrpc.Tuple2[string, [][]uint8], w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + writes := make(map[uint32]func(wrpc.IndexWriter) error, 2) + slog.Debug("writing tuple element 0") + write0, err := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(v.V0, w) + if err != nil { + return nil, fmt.Errorf("failed to write tuple element 0: %w", err) + } + if write0 != nil { + writes[0] = write0 + } + slog.Debug("writing tuple element 1") + write1, err := func(v [][]uint8, w interface { + io.ByteWriter + io.Writer + }) (write func(wrpc.IndexWriter) error, err error) { + n := len(v) + if n > math.MaxUint32 { + return nil, fmt.Errorf("list length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing list length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return nil, fmt.Errorf("failed to write list length of %d: %w", n, err) + } + slog.Debug("writing list elements") + writes := make(map[uint32]func(wrpc.IndexWriter) error, n) + for i, e := range v { + write, err := func(v []uint8, w interface { + io.ByteWriter + io.Writer + }) (write func(wrpc.IndexWriter) error, err error) { + n := len(v) + if n > math.MaxUint32 { + return nil, fmt.Errorf("list length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing list length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return nil, fmt.Errorf("failed to write list length of %d: %w", n, err) + } + slog.Debug("writing list elements") + writes := make(map[uint32]func(wrpc.IndexWriter) error, n) + for i, e := range v { + write, err := (func(wrpc.IndexWriter) error)(nil), func(v uint8, w io.ByteWriter) error { + slog.Debug("writing u8 byte") + return w.WriteByte(v) + }(e, w) + if err != nil { + return nil, fmt.Errorf("failed to write list element %d: %w", i, err) + } + if write != nil { + writes[uint32(i)] = write + } + } + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil + }(e, w) + if err != nil { + return nil, fmt.Errorf("failed to write list element %d: %w", i, err) + } + if write != nil { + writes[uint32(i)] = write + } + } + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil + }(v.V1, w) + if err != nil { + return nil, fmt.Errorf("failed to write tuple element 1: %w", err) + } + if write1 != nil { + writes[1] = write1 + } + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil + }(e, w) + if err != nil { + return nil, fmt.Errorf("failed to write list element %d: %w", i, err) + } + if write != nil { + writes[uint32(i)] = write + } + } + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil + }(v.Headers, w) + if err != nil { + return nil, fmt.Errorf("failed to write `headers` field: %w", err) + } + if write6 != nil { + writes[6] = write6 + } + + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil +} + +type Response struct { + Body io.Reader + Trailers wrpc.Receiver[[]*wrpc.Tuple2[string, [][]uint8]] + Status uint16 + Headers []*wrpc.Tuple2[string, [][]uint8] +} + +func (v *Response) String() string { return "Response" } + +func (v *Response) WriteToIndex(w wrpc.ByteWriter) (func(wrpc.IndexWriter) error, error) { + writes := make(map[uint32]func(wrpc.IndexWriter) error, 4) + slog.Debug("writing field", "name", "body") + write0, err := func(v io.Reader, w interface { + io.ByteWriter + io.Writer + }) (write func(wrpc.IndexWriter) error, err error) { + slog.Debug("writing byte stream `stream::pending` status byte") + if err = w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `stream::pending` byte: %w", err) + } + return func(w wrpc.IndexWriter) (err error) { + defer func() { + body, ok := v.(io.Closer) + if ok { + if cErr := body.Close(); cErr != nil { + if err == nil { + err = fmt.Errorf("failed to close pending byte stream: %w", cErr) + } else { + slog.Warn("failed to close pending byte stream", "err", cErr) + } + } + } + }() + chunk := make([]byte, 8096) + for { + var end bool + slog.Debug("reading pending byte stream contents") + n, err := v.Read(chunk) + if err == io.EOF { + end = true + slog.Debug("pending byte stream reached EOF") + } else if err != nil { + return fmt.Errorf("failed to read pending byte stream chunk: %w", err) + } + if n > math.MaxUint32 { + return fmt.Errorf("pending byte stream chunk length of %d overflows a 32-bit integer", n) + } + slog.Debug("writing pending byte stream chunk length", "len", n) + if err := wrpc.WriteUint32(uint32(n), w); err != nil { + return fmt.Errorf("failed to write pending byte stream chunk length of %d: %w", n, err) + } + _, err = w.Write(chunk[:n]) + if err != nil { + return fmt.Errorf("failed to write pending byte stream chunk contents: %w", err) + } + if end { + if err := w.WriteByte(0); err != nil { + return fmt.Errorf("failed to write pending byte stream end byte: %w", err) + } + return nil + } + } + }, nil + }(v.Body, w) + if err != nil { + return nil, fmt.Errorf("failed to write `body` field: %w", err) + } + if write0 != nil { + writes[0] = write0 + } + slog.Debug("writing field", "name", "trailers") + write1, err := func(v wrpc.Receiver[[]*wrpc.Tuple2[string, [][]uint8]], w interface { + io.ByteWriter + io.Writer + }) (write func(wrpc.IndexWriter) error, err error) { + slog.Debug("writing future `future::pending` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `future::pending` byte: %w", err) + } + return func(w wrpc.IndexWriter) (err error) { + defer func() { + body, ok := v.(io.Closer) + if ok { + if cErr := body.Close(); cErr != nil { + if err == nil { + err = fmt.Errorf("failed to close pending future: %w", cErr) + } else { + slog.Warn("failed to close pending future", "err", cErr) + } + } + } + }() + slog.Debug("receiving outgoing pending future contents") + rx, err := v.Receive() + if err != nil { + return fmt.Errorf("failed to receive outgoing pending future: %w", err) + } + slog.Debug("writing pending future element") + write, err := func(v []*wrpc.Tuple2[string, [][]uint8], w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := func(v []*wrpc.Tuple2[string, [][]uint8], w interface { + io.ByteWriter + io.Writer + }) (write func(wrpc.IndexWriter) error, err error) { + n := len(v) + if n > math.MaxUint32 { + return nil, fmt.Errorf("list length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing list length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return nil, fmt.Errorf("failed to write list length of %d: %w", n, err) + } + slog.Debug("writing list elements") + writes := make(map[uint32]func(wrpc.IndexWriter) error, n) + for i, e := range v { + write, err := func(v *wrpc.Tuple2[string, [][]uint8], w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + writes := make(map[uint32]func(wrpc.IndexWriter) error, 2) + slog.Debug("writing tuple element 0") + write0, err := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(v.V0, w) + if err != nil { + return nil, fmt.Errorf("failed to write tuple element 0: %w", err) + } + if write0 != nil { + writes[0] = write0 + } + slog.Debug("writing tuple element 1") + write1, err := func(v [][]uint8, w interface { + io.ByteWriter + io.Writer + }) (write func(wrpc.IndexWriter) error, err error) { + n := len(v) + if n > math.MaxUint32 { + return nil, fmt.Errorf("list length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing list length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return nil, fmt.Errorf("failed to write list length of %d: %w", n, err) + } + slog.Debug("writing list elements") + writes := make(map[uint32]func(wrpc.IndexWriter) error, n) + for i, e := range v { + write, err := func(v []uint8, w interface { + io.ByteWriter + io.Writer + }) (write func(wrpc.IndexWriter) error, err error) { + n := len(v) + if n > math.MaxUint32 { + return nil, fmt.Errorf("list length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing list length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return nil, fmt.Errorf("failed to write list length of %d: %w", n, err) + } + slog.Debug("writing list elements") + writes := make(map[uint32]func(wrpc.IndexWriter) error, n) + for i, e := range v { + write, err := (func(wrpc.IndexWriter) error)(nil), func(v uint8, w io.ByteWriter) error { + slog.Debug("writing u8 byte") + return w.WriteByte(v) + }(e, w) + if err != nil { + return nil, fmt.Errorf("failed to write list element %d: %w", i, err) + } + if write != nil { + writes[uint32(i)] = write + } + } + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil + }(e, w) + if err != nil { + return nil, fmt.Errorf("failed to write list element %d: %w", i, err) + } + if write != nil { + writes[uint32(i)] = write + } + } + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil + }(v.V1, w) + if err != nil { + return nil, fmt.Errorf("failed to write tuple element 1: %w", err) + } + if write1 != nil { + writes[1] = write1 + } + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil + }(e, w) + if err != nil { + return nil, fmt.Errorf("failed to write list element %d: %w", i, err) + } + if write != nil { + writes[uint32(i)] = write + } + } + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil + }(v, w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(rx, w) + if err != nil { + return fmt.Errorf("failed to write pending future element: %w", err) + } + if write != nil { + return write(w) + } + return nil + }, nil + }(v.Trailers, w) + if err != nil { + return nil, fmt.Errorf("failed to write `trailers` field: %w", err) + } + if write1 != nil { + writes[1] = write1 + } + slog.Debug("writing field", "name", "status") + write2, err := (func(wrpc.IndexWriter) error)(nil), func(v uint16, w io.Writer) (err error) { + b := make([]byte, binary.MaxVarintLen16) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing u16") + _, err = w.Write(b[:i]) + return err + }(v.Status, w) + if err != nil { + return nil, fmt.Errorf("failed to write `status` field: %w", err) + } + if write2 != nil { + writes[2] = write2 + } + slog.Debug("writing field", "name", "headers") + write3, err := func(v []*wrpc.Tuple2[string, [][]uint8], w interface { + io.ByteWriter + io.Writer + }) (write func(wrpc.IndexWriter) error, err error) { + n := len(v) + if n > math.MaxUint32 { + return nil, fmt.Errorf("list length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing list length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return nil, fmt.Errorf("failed to write list length of %d: %w", n, err) + } + slog.Debug("writing list elements") + writes := make(map[uint32]func(wrpc.IndexWriter) error, n) + for i, e := range v { + write, err := func(v *wrpc.Tuple2[string, [][]uint8], w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + writes := make(map[uint32]func(wrpc.IndexWriter) error, 2) + slog.Debug("writing tuple element 0") + write0, err := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(v.V0, w) + if err != nil { + return nil, fmt.Errorf("failed to write tuple element 0: %w", err) + } + if write0 != nil { + writes[0] = write0 + } + slog.Debug("writing tuple element 1") + write1, err := func(v [][]uint8, w interface { + io.ByteWriter + io.Writer + }) (write func(wrpc.IndexWriter) error, err error) { + n := len(v) + if n > math.MaxUint32 { + return nil, fmt.Errorf("list length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing list length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return nil, fmt.Errorf("failed to write list length of %d: %w", n, err) + } + slog.Debug("writing list elements") + writes := make(map[uint32]func(wrpc.IndexWriter) error, n) + for i, e := range v { + write, err := func(v []uint8, w interface { + io.ByteWriter + io.Writer + }) (write func(wrpc.IndexWriter) error, err error) { + n := len(v) + if n > math.MaxUint32 { + return nil, fmt.Errorf("list length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing list length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return nil, fmt.Errorf("failed to write list length of %d: %w", n, err) + } + slog.Debug("writing list elements") + writes := make(map[uint32]func(wrpc.IndexWriter) error, n) + for i, e := range v { + write, err := (func(wrpc.IndexWriter) error)(nil), func(v uint8, w io.ByteWriter) error { + slog.Debug("writing u8 byte") + return w.WriteByte(v) + }(e, w) + if err != nil { + return nil, fmt.Errorf("failed to write list element %d: %w", i, err) + } + if write != nil { + writes[uint32(i)] = write + } + } + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil + }(e, w) + if err != nil { + return nil, fmt.Errorf("failed to write list element %d: %w", i, err) + } + if write != nil { + writes[uint32(i)] = write + } + } + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil + }(v.V1, w) + if err != nil { + return nil, fmt.Errorf("failed to write tuple element 1: %w", err) + } + if write1 != nil { + writes[1] = write1 + } + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil + }(e, w) + if err != nil { + return nil, fmt.Errorf("failed to write list element %d: %w", i, err) + } + if write != nil { + writes[uint32(i)] = write + } + } + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil + }(v.Headers, w) + if err != nil { + return nil, fmt.Errorf("failed to write `headers` field: %w", err) + } + if write3 != nil { + writes[3] = write3 + } + + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil +} diff --git a/examples/http-server/go.mod b/examples/http-server/go.mod new file mode 100644 index 0000000..034b13d --- /dev/null +++ b/examples/http-server/go.mod @@ -0,0 +1,45 @@ +module github.com/wasmCloud/provider-sdk-go/examples/http-server + +go 1.22.3 + +require ( + go.wasmcloud.dev/provider v0.0.0-20240124183610-1a92f8d04935 + wrpc.io/go v0.0.3 +) + +require ( + github.com/cenkalti/backoff/v4 v4.3.0 // indirect + github.com/go-logr/logr v1.4.2 // indirect + github.com/go-logr/stdr v1.2.2 // indirect + github.com/google/uuid v1.6.0 // indirect + github.com/grpc-ecosystem/grpc-gateway/v2 v2.21.0 // indirect + github.com/klauspost/compress v1.17.8 // indirect + github.com/nats-io/nats.go v1.37.0 // indirect + github.com/nats-io/nkeys v0.4.7 // indirect + github.com/nats-io/nuid v1.0.1 // indirect + go.opentelemetry.io/otel v1.28.0 // indirect + go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploggrpc v0.0.0-20240801233905-f7977e064c9c // indirect + go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploghttp v0.4.0 // indirect + go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc v1.28.0 // indirect + go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp v1.28.0 // indirect + go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.28.0 // indirect + go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.28.0 // indirect + go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.28.0 // indirect + go.opentelemetry.io/otel/log v0.4.0 // indirect + go.opentelemetry.io/otel/metric v1.28.0 // indirect + go.opentelemetry.io/otel/sdk v1.28.0 // indirect + go.opentelemetry.io/otel/sdk/log v0.4.0 // indirect + go.opentelemetry.io/otel/sdk/metric v1.28.0 // indirect + go.opentelemetry.io/otel/trace v1.28.0 // indirect + go.opentelemetry.io/proto/otlp v1.3.1 // indirect + golang.org/x/crypto v0.25.0 // indirect + golang.org/x/net v0.27.0 // indirect + golang.org/x/sys v0.22.0 // indirect + golang.org/x/text v0.16.0 // indirect + google.golang.org/genproto/googleapis/api v0.0.0-20240730163845-b1a4ccb954bf // indirect + google.golang.org/genproto/googleapis/rpc v0.0.0-20240730163845-b1a4ccb954bf // indirect + google.golang.org/grpc v1.65.0 // indirect + google.golang.org/protobuf v1.34.2 // indirect +) + +replace go.wasmcloud.dev/provider => ../.. diff --git a/examples/http-server/go.sum b/examples/http-server/go.sum new file mode 100644 index 0000000..f07611f --- /dev/null +++ b/examples/http-server/go.sum @@ -0,0 +1,79 @@ +github.com/cenkalti/backoff/v4 v4.3.0 h1:MyRJ/UdXutAwSAT+s3wNd7MfTIcy71VQueUuFK343L8= +github.com/cenkalti/backoff/v4 v4.3.0/go.mod h1:Y3VNntkOUPxTVeUxJ/G5vcM//AlwfmyYozVcomhLiZE= +github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= +github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/go-logr/logr v1.2.2/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A= +github.com/go-logr/logr v1.4.2 h1:6pFjapn8bFcIbiKo3XT4j/BhANplGihG6tvd+8rYgrY= +github.com/go-logr/logr v1.4.2/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY= +github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag= +github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE= +github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI= +github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY= +github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0= +github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo= +github.com/grpc-ecosystem/grpc-gateway/v2 v2.21.0 h1:CWyXh/jylQWp2dtiV33mY4iSSp6yf4lmn+c7/tN+ObI= +github.com/grpc-ecosystem/grpc-gateway/v2 v2.21.0/go.mod h1:nCLIt0w3Ept2NwF8ThLmrppXsfT07oC8k0XNDxd8sVU= +github.com/klauspost/compress v1.17.8 h1:YcnTYrq7MikUT7k0Yb5eceMmALQPYBW/Xltxn0NAMnU= +github.com/klauspost/compress v1.17.8/go.mod h1:Di0epgTjJY877eYKx5yC51cX2A2Vl2ibi7bDH9ttBbw= +github.com/nats-io/nats.go v1.37.0 h1:07rauXbVnnJvv1gfIyghFEo6lUcYRY0WXc3x7x0vUxE= +github.com/nats-io/nats.go v1.37.0/go.mod h1:Ubdu4Nh9exXdSz0RVWRFBbRfrbSxOYd26oF0wkWclB8= +github.com/nats-io/nkeys v0.4.7 h1:RwNJbbIdYCoClSDNY7QVKZlyb/wfT6ugvFCiKy6vDvI= +github.com/nats-io/nkeys v0.4.7/go.mod h1:kqXRgRDPlGy7nGaEDMuYzmiJCIAAWDK0IMBtDmGD0nc= +github.com/nats-io/nuid v1.0.1 h1:5iA8DT8V7q8WK2EScv2padNa/rTESc1KdnPw4TC2paw= +github.com/nats-io/nuid v1.0.1/go.mod h1:19wcPz3Ph3q0Jbyiqsd0kePYG7A95tJPxeL+1OSON2c= +github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM= +github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= +github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg= +github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY= +go.opentelemetry.io/otel v1.28.0 h1:/SqNcYk+idO0CxKEUOtKQClMK/MimZihKYMruSMViUo= +go.opentelemetry.io/otel v1.28.0/go.mod h1:q68ijF8Fc8CnMHKyzqL6akLO46ePnjkgfIMIjUIX9z4= +go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploggrpc v0.0.0-20240801233905-f7977e064c9c h1:cj2Wk3ZNyGRDmQqjK0QJdS+teMQnvv7+uTiKNqnSjTo= +go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploggrpc v0.0.0-20240801233905-f7977e064c9c/go.mod h1:I011FHqumHsou3RhN8DH/ZnkwFRS1rNyq4EAnu+2Twc= +go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploghttp v0.4.0 h1:zBPZAISA9NOc5cE8zydqDiS0itvg/P/0Hn9m72a5gvM= +go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploghttp v0.4.0/go.mod h1:gcj2fFjEsqpV3fXuzAA+0Ze1p2/4MJ4T7d77AmkvueQ= +go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc v1.28.0 h1:U2guen0GhqH8o/G2un8f/aG/y++OuW6MyCo6hT9prXk= +go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc v1.28.0/go.mod h1:yeGZANgEcpdx/WK0IvvRFC+2oLiMS2u4L/0Rj2M2Qr0= +go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp v1.28.0 h1:aLmmtjRke7LPDQ3lvpFz+kNEH43faFhzW7v8BFIEydg= +go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp v1.28.0/go.mod h1:TC1pyCt6G9Sjb4bQpShH+P5R53pO6ZuGnHuuln9xMeE= +go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.28.0 h1:3Q/xZUyC1BBkualc9ROb4G8qkH90LXEIICcs5zv1OYY= +go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.28.0/go.mod h1:s75jGIWA9OfCMzF0xr+ZgfrB5FEbbV7UuYo32ahUiFI= +go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.28.0 h1:R3X6ZXmNPRR8ul6i3WgFURCHzaXjHdm0karRG/+dj3s= +go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.28.0/go.mod h1:QWFXnDavXWwMx2EEcZsf3yxgEKAqsxQ+Syjp+seyInw= +go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.28.0 h1:j9+03ymgYhPKmeXGk5Zu+cIZOlVzd9Zv7QIiyItjFBU= +go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.28.0/go.mod h1:Y5+XiUG4Emn1hTfciPzGPJaSI+RpDts6BnCIir0SLqk= +go.opentelemetry.io/otel/log v0.4.0 h1:/vZ+3Utqh18e8TPjuc3ecg284078KWrR8BRz+PQAj3o= +go.opentelemetry.io/otel/log v0.4.0/go.mod h1:DhGnQvky7pHy82MIRV43iXh3FlKN8UUKftn0KbLOq6I= +go.opentelemetry.io/otel/metric v1.28.0 h1:f0HGvSl1KRAU1DLgLGFjrwVyismPlnuU6JD6bOeuA5Q= +go.opentelemetry.io/otel/metric v1.28.0/go.mod h1:Fb1eVBFZmLVTMb6PPohq3TO9IIhUisDsbJoL/+uQW4s= +go.opentelemetry.io/otel/sdk v1.28.0 h1:b9d7hIry8yZsgtbmM0DKyPWMMUMlK9NEKuIG4aBqWyE= +go.opentelemetry.io/otel/sdk v1.28.0/go.mod h1:oYj7ClPUA7Iw3m+r7GeEjz0qckQRJK2B8zjcZEfu7Pg= +go.opentelemetry.io/otel/sdk/log v0.4.0 h1:1mMI22L82zLqf6KtkjrRy5BbagOTWdJsqMY/HSqILAA= +go.opentelemetry.io/otel/sdk/log v0.4.0/go.mod h1:AYJ9FVF0hNOgAVzUG/ybg/QttnXhUePWAupmCqtdESo= +go.opentelemetry.io/otel/sdk/metric v1.28.0 h1:OkuaKgKrgAbYrrY0t92c+cC+2F6hsFNnCQArXCKlg08= +go.opentelemetry.io/otel/sdk/metric v1.28.0/go.mod h1:cWPjykihLAPvXKi4iZc1dpER3Jdq2Z0YLse3moQUCpg= +go.opentelemetry.io/otel/trace v1.28.0 h1:GhQ9cUuQGmNDd5BTCP2dAvv75RdMxEfTmYejp+lkx9g= +go.opentelemetry.io/otel/trace v1.28.0/go.mod h1:jPyXzNPg6da9+38HEwElrQiHlVMTnVfM3/yv2OlIHaI= +go.opentelemetry.io/proto/otlp v1.3.1 h1:TrMUixzpM0yuc/znrFTP9MMRh8trP93mkCiDVeXrui0= +go.opentelemetry.io/proto/otlp v1.3.1/go.mod h1:0X1WI4de4ZsLrrJNLAQbFeLCm3T7yBkR0XqQ7niQU+8= +go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto= +go.uber.org/goleak v1.3.0/go.mod h1:CoHD4mav9JJNrW/WLlf7HGZPjdw8EucARQHekz1X6bE= +golang.org/x/crypto v0.25.0 h1:ypSNr+bnYL2YhwoMt2zPxHFmbAN1KZs/njMG3hxUp30= +golang.org/x/crypto v0.25.0/go.mod h1:T+wALwcMOSE0kXgUAnPAHqTLW+XHgcELELW8VaDgm/M= +golang.org/x/net v0.27.0 h1:5K3Njcw06/l2y9vpGCSdcxWOYHOUk3dVNGDXN+FvAys= +golang.org/x/net v0.27.0/go.mod h1:dDi0PyhWNoiUOrAS8uXv/vnScO4wnHQO4mj9fn/RytE= +golang.org/x/sys v0.22.0 h1:RI27ohtqKCnwULzJLqkv897zojh5/DwS/ENaMzUOaWI= +golang.org/x/sys v0.22.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA= +golang.org/x/text v0.16.0 h1:a94ExnEXNtEwYLGJSIUxnWoxoRz/ZcCsV63ROupILh4= +golang.org/x/text v0.16.0/go.mod h1:GhwF1Be+LQoKShO3cGOHzqOgRrGaYc9AvblQOmPVHnI= +google.golang.org/genproto/googleapis/api v0.0.0-20240730163845-b1a4ccb954bf h1:GillM0Ef0pkZPIB+5iO6SDK+4T9pf6TpaYR6ICD5rVE= +google.golang.org/genproto/googleapis/api v0.0.0-20240730163845-b1a4ccb954bf/go.mod h1:OFMYQFHJ4TM3JRlWDZhJbZfra2uqc3WLBZiaaqP4DtU= +google.golang.org/genproto/googleapis/rpc v0.0.0-20240730163845-b1a4ccb954bf h1:liao9UHurZLtiEwBgT9LMOnKYsHze6eA6w1KQCMVN2Q= +google.golang.org/genproto/googleapis/rpc v0.0.0-20240730163845-b1a4ccb954bf/go.mod h1:Ue6ibwXGpU+dqIcODieyLOcgj7z8+IcskoNIgZxtrFY= +google.golang.org/grpc v1.65.0 h1:bs/cUb4lp1G5iImFFd3u5ixQzweKizoZJAwBNLR42lc= +google.golang.org/grpc v1.65.0/go.mod h1:WgYC2ypjlB0EiQi6wdKixMqukr6lBc0Vo+oOgjrM5ZQ= +google.golang.org/protobuf v1.34.2 h1:6xV6lTsCfpGD21XK49h7MhtcApnLqkfYgPcdHftf6hg= +google.golang.org/protobuf v1.34.2/go.mod h1:qYOHts0dSfpeUzUFpOMr/WGzszTmLH+DiWniOlNbLDw= +gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA= +gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= +wrpc.io/go v0.0.3 h1:clf0KiO8WTjYwkyorrZQ4sSf7k/7xP5gdL4934A4L7s= +wrpc.io/go v0.0.3/go.mod h1:3EZdmAh0pp6uNJ8RG4aciP3LLIDWlT2fJP6qd9Z/O6U= diff --git a/examples/http-server/main.go b/examples/http-server/main.go new file mode 100644 index 0000000..024303a --- /dev/null +++ b/examples/http-server/main.go @@ -0,0 +1,113 @@ +//go:generate wit-bindgen-wrpc go --out-dir bindings --package github.com/wasmCloud/provider-sdk-go/examples/http-server/bindings wit + +package main + +import ( + "io" + "log" + "net/http" + "os" + "os/signal" + "syscall" + "time" + + "go.wasmcloud.dev/provider" + "go.wasmcloud.dev/provider/wrpchttp" +) + +type Server struct { + wasiIncomingHandler *http.Client +} + +func (s *Server) ServeHTTP(w http.ResponseWriter, r *http.Request) { + // NOTE(lxf): net/http doesn't allow 'RequestURI' to be present in outbound requests, so we clear it here. + // https://go.dev/src/net/http/client.go + r.RequestURI = "" + + resp, err := s.wasiIncomingHandler.Do(r) + if err != nil { + http.Error(w, err.Error(), http.StatusInternalServerError) + return + } + defer resp.Body.Close() + + for k, vals := range resp.Header { + for _, v := range vals { + w.Header().Add(k, v) + } + } + + w.WriteHeader(resp.StatusCode) + + io.Copy(w, resp.Body) + + for k, vals := range resp.Trailer { + for _, v := range vals { + w.Header().Add(k, v) + } + } +} + +func main() { + // NOTE(lxf): Enable wrpc debugging + // lvl := new(slog.LevelVar) + // lvl.Set(slog.LevelDebug) + // logger := slog.New(slog.NewTextHandler(os.Stderr, &slog.HandlerOptions{ + // Level: lvl, + // })) + // slog.SetDefault(logger) + + if err := run(); err != nil { + log.Fatal(err) + } +} + +func serveLocal(w http.ResponseWriter, r *http.Request) { + w.Write([]byte("Hello from the provider!")) +} + +func run() error { + wasmcloudprovider, err := provider.New() + if err != nil { + return err + } + + providerCh := make(chan error, 1) + httpCh := make(chan error, 1) + signalCh := make(chan os.Signal, 1) + + proxyServer := &Server{ + wasiIncomingHandler: &http.Client{ + Transport: wrpchttp.NewIncomingRoundTripper(wasmcloudprovider, wrpchttp.WithSingleTarget("http-http_component")), + Timeout: time.Second * 5, + }, + } + + // Handle control interface operations + go func() { + err := wasmcloudprovider.Start() + providerCh <- err + }() + + go func() { + mux := http.NewServeMux() + mux.Handle("/proxy", proxyServer) + mux.Handle("/", http.HandlerFunc(serveLocal)) + err := http.ListenAndServe(":8080", mux) + httpCh <- err + }() + + // Shutdown on SIGINT + signal.Notify(signalCh, syscall.SIGINT) + + select { + case err = <-providerCh: + return err + case <-httpCh: + wasmcloudprovider.Shutdown() + case <-signalCh: + wasmcloudprovider.Shutdown() + } + + return nil +} diff --git a/examples/http-server/wadm.yaml b/examples/http-server/wadm.yaml new file mode 100644 index 0000000..9bb9b96 --- /dev/null +++ b/examples/http-server/wadm.yaml @@ -0,0 +1,34 @@ +apiVersion: core.oam.dev/v1beta1 +kind: Application +metadata: + name: http + annotations: + description: "An application with a provider and component built for extending wasmCloud with custom capabilities" + wasmcloud.dev/authors: wasmCloud team + wasmcloud.dev/source-url: https://github.com/wasmCloud/wasmCloud/blob/main/examples/golang/providers/custom-template/wadm.yaml + wasmcloud.dev/readme-md-url: https://github.com/wasmCloud/wasmCloud/blob/main/examples/golang/providers/custom-template/README.md + wasmcloud.dev/homepage: https://github.com/wasmCloud/wasmCloud/tree/main/examples/golang/providers/custom-template + wasmcloud.dev/categories: | + capability-provider,provider,template,http-server,tinygo,golang,example +spec: + components: + - name: http-component + type: component + properties: + image: ghcr.io/wasmcloud/components/http-hello-world-rust:0.1.0 + traits: + - type: spreadscaler + properties: + instances: 1 + + - name: http-provider + type: capability + properties: + image: file://./build/http-server.par.gz + traits: + - type: link + properties: + target: http-component + namespace: wasi + package: http + interfaces: [incoming-handler] diff --git a/examples/http-server/wasmcloud.toml b/examples/http-server/wasmcloud.toml new file mode 100644 index 0000000..1181ebb --- /dev/null +++ b/examples/http-server/wasmcloud.toml @@ -0,0 +1,8 @@ +name = "HTTP Server" +language = "go" +type = "provider" +version = "0.1.0" + +[provider] +bin_name = "http-server" +vendor = "wasmCloud" diff --git a/examples/http-server/wit/deps.lock b/examples/http-server/wit/deps.lock new file mode 100644 index 0000000..c0cc470 --- /dev/null +++ b/examples/http-server/wit/deps.lock @@ -0,0 +1,33 @@ +[cli] +sha256 = "285865a31d777181b075f39e92bcfe59c89cd6bacce660be1b9a627646956258" +sha512 = "da2622210a9e3eea82b99f1a5b8a44ce5443d009cb943f7bca0bf9cf4360829b289913d7ee727c011f0f72994ea7dc8e661ebcc0a6b34b587297d80cd9b3f7e8" + +[clocks] +sha256 = "468b4d12892fe926b8eb5d398dbf579d566c93231fa44f415440572c695b7613" +sha512 = "e6b53a07221f1413953c9797c68f08b815fdaebf66419bbc1ea3e8b7dece73731062693634731f311a03957b268cf9cc509c518bd15e513c318aa04a8459b93a" + +[filesystem] +sha256 = "498c465cfd04587db40f970fff2185daa597d074c20b68a8bcbae558f261499b" +sha512 = "ead452f9b7bfb88593a502ec00d76d4228003d51c40fd0408aebc32d35c94673551b00230d730873361567cc209ec218c41fb4e95bad194268592c49e7964347" + +[http] +sha256 = "8f44402bde16c48e28c47dc53eab0b26af5b3b3482a1852cf77673e0880ba1c1" +sha512 = "760695f9a25c25bf75a25b731cb21c3bda9e288e450edda823324ecbc73d5d798bbb5de2edad999566980836f037463ee9e57d61789d04b3f3e381475b1a9a0f" + +[io] +sha256 = "7210e5653539a15478f894d4da24cc69d61924cbcba21d2804d69314a88e5a4c" +sha512 = "49184a1b0945a889abd52d25271172ed3dc2db6968fcdddb1bab7ee0081f4a3eeee0977ad2291126a37631c0d86eeea75d822fa8af224c422134500bf9f0f2bb" + +[random] +sha256 = "7371d03c037d924caba2587fb2e7c5773a0d3c5fcecbf7971e0e0ba57973c53d" +sha512 = "964c4e8925a53078e4d94ba907b54f89a0b7e154f46823a505391471466c17f53c8692682e5c85771712acd88b348686173fc07c53a3cfe3d301b8cd8ddd0de4" + +[sockets] +sha256 = "622bd28bbeb43736375dc02bd003fd3a016ff8ee91e14bab488325c6b38bf966" +sha512 = "5a63c1f36de0c4548e1d2297bdbededb28721cbad94ef7825c469eae29d7451c97e00b4c1d6730ee1ec0c4a5aac922961a2795762d4a0c3bb54e30a391a84bae" + +[wrpc-http] +url = "https://github.com/wrpc/http/archive/refs/tags/v0.1.0.tar.gz" +sha256 = "6400e08c1bd7ecc8836abd72a81ce8ad401f5b2bee5d80a6a6f808d04a72e83c" +sha512 = "da32546a03dc00b8ef8867c082ac5fc74b7cbb8b82f4e27a0de00bd2e010c776d0679bfa2563db294bda5bc27ebc62d5d8ab186328a3c62f2c49a8ea8754797d" +deps = ["cli", "clocks", "filesystem", "http", "io", "random", "sockets"] diff --git a/examples/http-server/wit/deps.toml b/examples/http-server/wit/deps.toml new file mode 100644 index 0000000..585ac50 --- /dev/null +++ b/examples/http-server/wit/deps.toml @@ -0,0 +1 @@ +wrpc-http = "https://github.com/wrpc/http/archive/refs/tags/v0.1.0.tar.gz" diff --git a/examples/http-server/wit/deps/cli/command.wit b/examples/http-server/wit/deps/cli/command.wit new file mode 100644 index 0000000..d8005bd --- /dev/null +++ b/examples/http-server/wit/deps/cli/command.wit @@ -0,0 +1,7 @@ +package wasi:cli@0.2.0; + +world command { + include imports; + + export run; +} diff --git a/examples/http-server/wit/deps/cli/environment.wit b/examples/http-server/wit/deps/cli/environment.wit new file mode 100644 index 0000000..7006523 --- /dev/null +++ b/examples/http-server/wit/deps/cli/environment.wit @@ -0,0 +1,18 @@ +interface environment { + /// Get the POSIX-style environment variables. + /// + /// Each environment variable is provided as a pair of string variable names + /// and string value. + /// + /// Morally, these are a value import, but until value imports are available + /// in the component model, this import function should return the same + /// values each time it is called. + get-environment: func() -> list>; + + /// Get the POSIX-style arguments to the program. + get-arguments: func() -> list; + + /// Return a path that programs should use as their initial current working + /// directory, interpreting `.` as shorthand for this. + initial-cwd: func() -> option; +} diff --git a/examples/http-server/wit/deps/cli/exit.wit b/examples/http-server/wit/deps/cli/exit.wit new file mode 100644 index 0000000..d0c2b82 --- /dev/null +++ b/examples/http-server/wit/deps/cli/exit.wit @@ -0,0 +1,4 @@ +interface exit { + /// Exit the current instance and any linked instances. + exit: func(status: result); +} diff --git a/examples/http-server/wit/deps/cli/imports.wit b/examples/http-server/wit/deps/cli/imports.wit new file mode 100644 index 0000000..083b84a --- /dev/null +++ b/examples/http-server/wit/deps/cli/imports.wit @@ -0,0 +1,20 @@ +package wasi:cli@0.2.0; + +world imports { + include wasi:clocks/imports@0.2.0; + include wasi:filesystem/imports@0.2.0; + include wasi:sockets/imports@0.2.0; + include wasi:random/imports@0.2.0; + include wasi:io/imports@0.2.0; + + import environment; + import exit; + import stdin; + import stdout; + import stderr; + import terminal-input; + import terminal-output; + import terminal-stdin; + import terminal-stdout; + import terminal-stderr; +} diff --git a/examples/http-server/wit/deps/cli/run.wit b/examples/http-server/wit/deps/cli/run.wit new file mode 100644 index 0000000..a70ee8c --- /dev/null +++ b/examples/http-server/wit/deps/cli/run.wit @@ -0,0 +1,4 @@ +interface run { + /// Run the program. + run: func() -> result; +} diff --git a/examples/http-server/wit/deps/cli/stdio.wit b/examples/http-server/wit/deps/cli/stdio.wit new file mode 100644 index 0000000..31ef35b --- /dev/null +++ b/examples/http-server/wit/deps/cli/stdio.wit @@ -0,0 +1,17 @@ +interface stdin { + use wasi:io/streams@0.2.0.{input-stream}; + + get-stdin: func() -> input-stream; +} + +interface stdout { + use wasi:io/streams@0.2.0.{output-stream}; + + get-stdout: func() -> output-stream; +} + +interface stderr { + use wasi:io/streams@0.2.0.{output-stream}; + + get-stderr: func() -> output-stream; +} diff --git a/examples/http-server/wit/deps/cli/terminal.wit b/examples/http-server/wit/deps/cli/terminal.wit new file mode 100644 index 0000000..38c724e --- /dev/null +++ b/examples/http-server/wit/deps/cli/terminal.wit @@ -0,0 +1,49 @@ +/// Terminal input. +/// +/// In the future, this may include functions for disabling echoing, +/// disabling input buffering so that keyboard events are sent through +/// immediately, querying supported features, and so on. +interface terminal-input { + /// The input side of a terminal. + resource terminal-input; +} + +/// Terminal output. +/// +/// In the future, this may include functions for querying the terminal +/// size, being notified of terminal size changes, querying supported +/// features, and so on. +interface terminal-output { + /// The output side of a terminal. + resource terminal-output; +} + +/// An interface providing an optional `terminal-input` for stdin as a +/// link-time authority. +interface terminal-stdin { + use terminal-input.{terminal-input}; + + /// If stdin is connected to a terminal, return a `terminal-input` handle + /// allowing further interaction with it. + get-terminal-stdin: func() -> option; +} + +/// An interface providing an optional `terminal-output` for stdout as a +/// link-time authority. +interface terminal-stdout { + use terminal-output.{terminal-output}; + + /// If stdout is connected to a terminal, return a `terminal-output` handle + /// allowing further interaction with it. + get-terminal-stdout: func() -> option; +} + +/// An interface providing an optional `terminal-output` for stderr as a +/// link-time authority. +interface terminal-stderr { + use terminal-output.{terminal-output}; + + /// If stderr is connected to a terminal, return a `terminal-output` handle + /// allowing further interaction with it. + get-terminal-stderr: func() -> option; +} diff --git a/examples/http-server/wit/deps/clocks/monotonic-clock.wit b/examples/http-server/wit/deps/clocks/monotonic-clock.wit new file mode 100644 index 0000000..4e4dc3a --- /dev/null +++ b/examples/http-server/wit/deps/clocks/monotonic-clock.wit @@ -0,0 +1,45 @@ +package wasi:clocks@0.2.0; +/// WASI Monotonic Clock is a clock API intended to let users measure elapsed +/// time. +/// +/// It is intended to be portable at least between Unix-family platforms and +/// Windows. +/// +/// A monotonic clock is a clock which has an unspecified initial value, and +/// successive reads of the clock will produce non-decreasing values. +/// +/// It is intended for measuring elapsed time. +interface monotonic-clock { + use wasi:io/poll@0.2.0.{pollable}; + + /// An instant in time, in nanoseconds. An instant is relative to an + /// unspecified initial value, and can only be compared to instances from + /// the same monotonic-clock. + type instant = u64; + + /// A duration of time, in nanoseconds. + type duration = u64; + + /// Read the current value of the clock. + /// + /// The clock is monotonic, therefore calling this function repeatedly will + /// produce a sequence of non-decreasing values. + now: func() -> instant; + + /// Query the resolution of the clock. Returns the duration of time + /// corresponding to a clock tick. + resolution: func() -> duration; + + /// Create a `pollable` which will resolve once the specified instant + /// occured. + subscribe-instant: func( + when: instant, + ) -> pollable; + + /// Create a `pollable` which will resolve once the given duration has + /// elapsed, starting at the time at which this function was called. + /// occured. + subscribe-duration: func( + when: duration, + ) -> pollable; +} diff --git a/examples/http-server/wit/deps/clocks/wall-clock.wit b/examples/http-server/wit/deps/clocks/wall-clock.wit new file mode 100644 index 0000000..440ca0f --- /dev/null +++ b/examples/http-server/wit/deps/clocks/wall-clock.wit @@ -0,0 +1,42 @@ +package wasi:clocks@0.2.0; +/// WASI Wall Clock is a clock API intended to let users query the current +/// time. The name "wall" makes an analogy to a "clock on the wall", which +/// is not necessarily monotonic as it may be reset. +/// +/// It is intended to be portable at least between Unix-family platforms and +/// Windows. +/// +/// A wall clock is a clock which measures the date and time according to +/// some external reference. +/// +/// External references may be reset, so this clock is not necessarily +/// monotonic, making it unsuitable for measuring elapsed time. +/// +/// It is intended for reporting the current date and time for humans. +interface wall-clock { + /// A time and date in seconds plus nanoseconds. + record datetime { + seconds: u64, + nanoseconds: u32, + } + + /// Read the current value of the clock. + /// + /// This clock is not monotonic, therefore calling this function repeatedly + /// will not necessarily produce a sequence of non-decreasing values. + /// + /// The returned timestamps represent the number of seconds since + /// 1970-01-01T00:00:00Z, also known as [POSIX's Seconds Since the Epoch], + /// also known as [Unix Time]. + /// + /// The nanoseconds field of the output is always less than 1000000000. + /// + /// [POSIX's Seconds Since the Epoch]: https://pubs.opengroup.org/onlinepubs/9699919799/xrat/V4_xbd_chap04.html#tag_21_04_16 + /// [Unix Time]: https://en.wikipedia.org/wiki/Unix_time + now: func() -> datetime; + + /// Query the resolution of the clock. + /// + /// The nanoseconds field of the output is always less than 1000000000. + resolution: func() -> datetime; +} diff --git a/examples/http-server/wit/deps/clocks/world.wit b/examples/http-server/wit/deps/clocks/world.wit new file mode 100644 index 0000000..c022457 --- /dev/null +++ b/examples/http-server/wit/deps/clocks/world.wit @@ -0,0 +1,6 @@ +package wasi:clocks@0.2.0; + +world imports { + import monotonic-clock; + import wall-clock; +} diff --git a/examples/http-server/wit/deps/filesystem/preopens.wit b/examples/http-server/wit/deps/filesystem/preopens.wit new file mode 100644 index 0000000..da801f6 --- /dev/null +++ b/examples/http-server/wit/deps/filesystem/preopens.wit @@ -0,0 +1,8 @@ +package wasi:filesystem@0.2.0; + +interface preopens { + use types.{descriptor}; + + /// Return the set of preopened directories, and their path. + get-directories: func() -> list>; +} diff --git a/examples/http-server/wit/deps/filesystem/types.wit b/examples/http-server/wit/deps/filesystem/types.wit new file mode 100644 index 0000000..11108fc --- /dev/null +++ b/examples/http-server/wit/deps/filesystem/types.wit @@ -0,0 +1,634 @@ +package wasi:filesystem@0.2.0; +/// WASI filesystem is a filesystem API primarily intended to let users run WASI +/// programs that access their files on their existing filesystems, without +/// significant overhead. +/// +/// It is intended to be roughly portable between Unix-family platforms and +/// Windows, though it does not hide many of the major differences. +/// +/// Paths are passed as interface-type `string`s, meaning they must consist of +/// a sequence of Unicode Scalar Values (USVs). Some filesystems may contain +/// paths which are not accessible by this API. +/// +/// The directory separator in WASI is always the forward-slash (`/`). +/// +/// All paths in WASI are relative paths, and are interpreted relative to a +/// `descriptor` referring to a base directory. If a `path` argument to any WASI +/// function starts with `/`, or if any step of resolving a `path`, including +/// `..` and symbolic link steps, reaches a directory outside of the base +/// directory, or reaches a symlink to an absolute or rooted path in the +/// underlying filesystem, the function fails with `error-code::not-permitted`. +/// +/// For more information about WASI path resolution and sandboxing, see +/// [WASI filesystem path resolution]. +/// +/// [WASI filesystem path resolution]: https://github.com/WebAssembly/wasi-filesystem/blob/main/path-resolution.md +interface types { + use wasi:io/streams@0.2.0.{input-stream, output-stream, error}; + use wasi:clocks/wall-clock@0.2.0.{datetime}; + + /// File size or length of a region within a file. + type filesize = u64; + + /// The type of a filesystem object referenced by a descriptor. + /// + /// Note: This was called `filetype` in earlier versions of WASI. + enum descriptor-type { + /// The type of the descriptor or file is unknown or is different from + /// any of the other types specified. + unknown, + /// The descriptor refers to a block device inode. + block-device, + /// The descriptor refers to a character device inode. + character-device, + /// The descriptor refers to a directory inode. + directory, + /// The descriptor refers to a named pipe. + fifo, + /// The file refers to a symbolic link inode. + symbolic-link, + /// The descriptor refers to a regular file inode. + regular-file, + /// The descriptor refers to a socket. + socket, + } + + /// Descriptor flags. + /// + /// Note: This was called `fdflags` in earlier versions of WASI. + flags descriptor-flags { + /// Read mode: Data can be read. + read, + /// Write mode: Data can be written to. + write, + /// Request that writes be performed according to synchronized I/O file + /// integrity completion. The data stored in the file and the file's + /// metadata are synchronized. This is similar to `O_SYNC` in POSIX. + /// + /// The precise semantics of this operation have not yet been defined for + /// WASI. At this time, it should be interpreted as a request, and not a + /// requirement. + file-integrity-sync, + /// Request that writes be performed according to synchronized I/O data + /// integrity completion. Only the data stored in the file is + /// synchronized. This is similar to `O_DSYNC` in POSIX. + /// + /// The precise semantics of this operation have not yet been defined for + /// WASI. At this time, it should be interpreted as a request, and not a + /// requirement. + data-integrity-sync, + /// Requests that reads be performed at the same level of integrety + /// requested for writes. This is similar to `O_RSYNC` in POSIX. + /// + /// The precise semantics of this operation have not yet been defined for + /// WASI. At this time, it should be interpreted as a request, and not a + /// requirement. + requested-write-sync, + /// Mutating directories mode: Directory contents may be mutated. + /// + /// When this flag is unset on a descriptor, operations using the + /// descriptor which would create, rename, delete, modify the data or + /// metadata of filesystem objects, or obtain another handle which + /// would permit any of those, shall fail with `error-code::read-only` if + /// they would otherwise succeed. + /// + /// This may only be set on directories. + mutate-directory, + } + + /// File attributes. + /// + /// Note: This was called `filestat` in earlier versions of WASI. + record descriptor-stat { + /// File type. + %type: descriptor-type, + /// Number of hard links to the file. + link-count: link-count, + /// For regular files, the file size in bytes. For symbolic links, the + /// length in bytes of the pathname contained in the symbolic link. + size: filesize, + /// Last data access timestamp. + /// + /// If the `option` is none, the platform doesn't maintain an access + /// timestamp for this file. + data-access-timestamp: option, + /// Last data modification timestamp. + /// + /// If the `option` is none, the platform doesn't maintain a + /// modification timestamp for this file. + data-modification-timestamp: option, + /// Last file status-change timestamp. + /// + /// If the `option` is none, the platform doesn't maintain a + /// status-change timestamp for this file. + status-change-timestamp: option, + } + + /// Flags determining the method of how paths are resolved. + flags path-flags { + /// As long as the resolved path corresponds to a symbolic link, it is + /// expanded. + symlink-follow, + } + + /// Open flags used by `open-at`. + flags open-flags { + /// Create file if it does not exist, similar to `O_CREAT` in POSIX. + create, + /// Fail if not a directory, similar to `O_DIRECTORY` in POSIX. + directory, + /// Fail if file already exists, similar to `O_EXCL` in POSIX. + exclusive, + /// Truncate file to size 0, similar to `O_TRUNC` in POSIX. + truncate, + } + + /// Number of hard links to an inode. + type link-count = u64; + + /// When setting a timestamp, this gives the value to set it to. + variant new-timestamp { + /// Leave the timestamp set to its previous value. + no-change, + /// Set the timestamp to the current time of the system clock associated + /// with the filesystem. + now, + /// Set the timestamp to the given value. + timestamp(datetime), + } + + /// A directory entry. + record directory-entry { + /// The type of the file referred to by this directory entry. + %type: descriptor-type, + + /// The name of the object. + name: string, + } + + /// Error codes returned by functions, similar to `errno` in POSIX. + /// Not all of these error codes are returned by the functions provided by this + /// API; some are used in higher-level library layers, and others are provided + /// merely for alignment with POSIX. + enum error-code { + /// Permission denied, similar to `EACCES` in POSIX. + access, + /// Resource unavailable, or operation would block, similar to `EAGAIN` and `EWOULDBLOCK` in POSIX. + would-block, + /// Connection already in progress, similar to `EALREADY` in POSIX. + already, + /// Bad descriptor, similar to `EBADF` in POSIX. + bad-descriptor, + /// Device or resource busy, similar to `EBUSY` in POSIX. + busy, + /// Resource deadlock would occur, similar to `EDEADLK` in POSIX. + deadlock, + /// Storage quota exceeded, similar to `EDQUOT` in POSIX. + quota, + /// File exists, similar to `EEXIST` in POSIX. + exist, + /// File too large, similar to `EFBIG` in POSIX. + file-too-large, + /// Illegal byte sequence, similar to `EILSEQ` in POSIX. + illegal-byte-sequence, + /// Operation in progress, similar to `EINPROGRESS` in POSIX. + in-progress, + /// Interrupted function, similar to `EINTR` in POSIX. + interrupted, + /// Invalid argument, similar to `EINVAL` in POSIX. + invalid, + /// I/O error, similar to `EIO` in POSIX. + io, + /// Is a directory, similar to `EISDIR` in POSIX. + is-directory, + /// Too many levels of symbolic links, similar to `ELOOP` in POSIX. + loop, + /// Too many links, similar to `EMLINK` in POSIX. + too-many-links, + /// Message too large, similar to `EMSGSIZE` in POSIX. + message-size, + /// Filename too long, similar to `ENAMETOOLONG` in POSIX. + name-too-long, + /// No such device, similar to `ENODEV` in POSIX. + no-device, + /// No such file or directory, similar to `ENOENT` in POSIX. + no-entry, + /// No locks available, similar to `ENOLCK` in POSIX. + no-lock, + /// Not enough space, similar to `ENOMEM` in POSIX. + insufficient-memory, + /// No space left on device, similar to `ENOSPC` in POSIX. + insufficient-space, + /// Not a directory or a symbolic link to a directory, similar to `ENOTDIR` in POSIX. + not-directory, + /// Directory not empty, similar to `ENOTEMPTY` in POSIX. + not-empty, + /// State not recoverable, similar to `ENOTRECOVERABLE` in POSIX. + not-recoverable, + /// Not supported, similar to `ENOTSUP` and `ENOSYS` in POSIX. + unsupported, + /// Inappropriate I/O control operation, similar to `ENOTTY` in POSIX. + no-tty, + /// No such device or address, similar to `ENXIO` in POSIX. + no-such-device, + /// Value too large to be stored in data type, similar to `EOVERFLOW` in POSIX. + overflow, + /// Operation not permitted, similar to `EPERM` in POSIX. + not-permitted, + /// Broken pipe, similar to `EPIPE` in POSIX. + pipe, + /// Read-only file system, similar to `EROFS` in POSIX. + read-only, + /// Invalid seek, similar to `ESPIPE` in POSIX. + invalid-seek, + /// Text file busy, similar to `ETXTBSY` in POSIX. + text-file-busy, + /// Cross-device link, similar to `EXDEV` in POSIX. + cross-device, + } + + /// File or memory access pattern advisory information. + enum advice { + /// The application has no advice to give on its behavior with respect + /// to the specified data. + normal, + /// The application expects to access the specified data sequentially + /// from lower offsets to higher offsets. + sequential, + /// The application expects to access the specified data in a random + /// order. + random, + /// The application expects to access the specified data in the near + /// future. + will-need, + /// The application expects that it will not access the specified data + /// in the near future. + dont-need, + /// The application expects to access the specified data once and then + /// not reuse it thereafter. + no-reuse, + } + + /// A 128-bit hash value, split into parts because wasm doesn't have a + /// 128-bit integer type. + record metadata-hash-value { + /// 64 bits of a 128-bit hash value. + lower: u64, + /// Another 64 bits of a 128-bit hash value. + upper: u64, + } + + /// A descriptor is a reference to a filesystem object, which may be a file, + /// directory, named pipe, special file, or other object on which filesystem + /// calls may be made. + resource descriptor { + /// Return a stream for reading from a file, if available. + /// + /// May fail with an error-code describing why the file cannot be read. + /// + /// Multiple read, write, and append streams may be active on the same open + /// file and they do not interfere with each other. + /// + /// Note: This allows using `read-stream`, which is similar to `read` in POSIX. + read-via-stream: func( + /// The offset within the file at which to start reading. + offset: filesize, + ) -> result; + + /// Return a stream for writing to a file, if available. + /// + /// May fail with an error-code describing why the file cannot be written. + /// + /// Note: This allows using `write-stream`, which is similar to `write` in + /// POSIX. + write-via-stream: func( + /// The offset within the file at which to start writing. + offset: filesize, + ) -> result; + + /// Return a stream for appending to a file, if available. + /// + /// May fail with an error-code describing why the file cannot be appended. + /// + /// Note: This allows using `write-stream`, which is similar to `write` with + /// `O_APPEND` in in POSIX. + append-via-stream: func() -> result; + + /// Provide file advisory information on a descriptor. + /// + /// This is similar to `posix_fadvise` in POSIX. + advise: func( + /// The offset within the file to which the advisory applies. + offset: filesize, + /// The length of the region to which the advisory applies. + length: filesize, + /// The advice. + advice: advice + ) -> result<_, error-code>; + + /// Synchronize the data of a file to disk. + /// + /// This function succeeds with no effect if the file descriptor is not + /// opened for writing. + /// + /// Note: This is similar to `fdatasync` in POSIX. + sync-data: func() -> result<_, error-code>; + + /// Get flags associated with a descriptor. + /// + /// Note: This returns similar flags to `fcntl(fd, F_GETFL)` in POSIX. + /// + /// Note: This returns the value that was the `fs_flags` value returned + /// from `fdstat_get` in earlier versions of WASI. + get-flags: func() -> result; + + /// Get the dynamic type of a descriptor. + /// + /// Note: This returns the same value as the `type` field of the `fd-stat` + /// returned by `stat`, `stat-at` and similar. + /// + /// Note: This returns similar flags to the `st_mode & S_IFMT` value provided + /// by `fstat` in POSIX. + /// + /// Note: This returns the value that was the `fs_filetype` value returned + /// from `fdstat_get` in earlier versions of WASI. + get-type: func() -> result; + + /// Adjust the size of an open file. If this increases the file's size, the + /// extra bytes are filled with zeros. + /// + /// Note: This was called `fd_filestat_set_size` in earlier versions of WASI. + set-size: func(size: filesize) -> result<_, error-code>; + + /// Adjust the timestamps of an open file or directory. + /// + /// Note: This is similar to `futimens` in POSIX. + /// + /// Note: This was called `fd_filestat_set_times` in earlier versions of WASI. + set-times: func( + /// The desired values of the data access timestamp. + data-access-timestamp: new-timestamp, + /// The desired values of the data modification timestamp. + data-modification-timestamp: new-timestamp, + ) -> result<_, error-code>; + + /// Read from a descriptor, without using and updating the descriptor's offset. + /// + /// This function returns a list of bytes containing the data that was + /// read, along with a bool which, when true, indicates that the end of the + /// file was reached. The returned list will contain up to `length` bytes; it + /// may return fewer than requested, if the end of the file is reached or + /// if the I/O operation is interrupted. + /// + /// In the future, this may change to return a `stream`. + /// + /// Note: This is similar to `pread` in POSIX. + read: func( + /// The maximum number of bytes to read. + length: filesize, + /// The offset within the file at which to read. + offset: filesize, + ) -> result, bool>, error-code>; + + /// Write to a descriptor, without using and updating the descriptor's offset. + /// + /// It is valid to write past the end of a file; the file is extended to the + /// extent of the write, with bytes between the previous end and the start of + /// the write set to zero. + /// + /// In the future, this may change to take a `stream`. + /// + /// Note: This is similar to `pwrite` in POSIX. + write: func( + /// Data to write + buffer: list, + /// The offset within the file at which to write. + offset: filesize, + ) -> result; + + /// Read directory entries from a directory. + /// + /// On filesystems where directories contain entries referring to themselves + /// and their parents, often named `.` and `..` respectively, these entries + /// are omitted. + /// + /// This always returns a new stream which starts at the beginning of the + /// directory. Multiple streams may be active on the same directory, and they + /// do not interfere with each other. + read-directory: func() -> result; + + /// Synchronize the data and metadata of a file to disk. + /// + /// This function succeeds with no effect if the file descriptor is not + /// opened for writing. + /// + /// Note: This is similar to `fsync` in POSIX. + sync: func() -> result<_, error-code>; + + /// Create a directory. + /// + /// Note: This is similar to `mkdirat` in POSIX. + create-directory-at: func( + /// The relative path at which to create the directory. + path: string, + ) -> result<_, error-code>; + + /// Return the attributes of an open file or directory. + /// + /// Note: This is similar to `fstat` in POSIX, except that it does not return + /// device and inode information. For testing whether two descriptors refer to + /// the same underlying filesystem object, use `is-same-object`. To obtain + /// additional data that can be used do determine whether a file has been + /// modified, use `metadata-hash`. + /// + /// Note: This was called `fd_filestat_get` in earlier versions of WASI. + stat: func() -> result; + + /// Return the attributes of a file or directory. + /// + /// Note: This is similar to `fstatat` in POSIX, except that it does not + /// return device and inode information. See the `stat` description for a + /// discussion of alternatives. + /// + /// Note: This was called `path_filestat_get` in earlier versions of WASI. + stat-at: func( + /// Flags determining the method of how the path is resolved. + path-flags: path-flags, + /// The relative path of the file or directory to inspect. + path: string, + ) -> result; + + /// Adjust the timestamps of a file or directory. + /// + /// Note: This is similar to `utimensat` in POSIX. + /// + /// Note: This was called `path_filestat_set_times` in earlier versions of + /// WASI. + set-times-at: func( + /// Flags determining the method of how the path is resolved. + path-flags: path-flags, + /// The relative path of the file or directory to operate on. + path: string, + /// The desired values of the data access timestamp. + data-access-timestamp: new-timestamp, + /// The desired values of the data modification timestamp. + data-modification-timestamp: new-timestamp, + ) -> result<_, error-code>; + + /// Create a hard link. + /// + /// Note: This is similar to `linkat` in POSIX. + link-at: func( + /// Flags determining the method of how the path is resolved. + old-path-flags: path-flags, + /// The relative source path from which to link. + old-path: string, + /// The base directory for `new-path`. + new-descriptor: borrow, + /// The relative destination path at which to create the hard link. + new-path: string, + ) -> result<_, error-code>; + + /// Open a file or directory. + /// + /// The returned descriptor is not guaranteed to be the lowest-numbered + /// descriptor not currently open/ it is randomized to prevent applications + /// from depending on making assumptions about indexes, since this is + /// error-prone in multi-threaded contexts. The returned descriptor is + /// guaranteed to be less than 2**31. + /// + /// If `flags` contains `descriptor-flags::mutate-directory`, and the base + /// descriptor doesn't have `descriptor-flags::mutate-directory` set, + /// `open-at` fails with `error-code::read-only`. + /// + /// If `flags` contains `write` or `mutate-directory`, or `open-flags` + /// contains `truncate` or `create`, and the base descriptor doesn't have + /// `descriptor-flags::mutate-directory` set, `open-at` fails with + /// `error-code::read-only`. + /// + /// Note: This is similar to `openat` in POSIX. + open-at: func( + /// Flags determining the method of how the path is resolved. + path-flags: path-flags, + /// The relative path of the object to open. + path: string, + /// The method by which to open the file. + open-flags: open-flags, + /// Flags to use for the resulting descriptor. + %flags: descriptor-flags, + ) -> result; + + /// Read the contents of a symbolic link. + /// + /// If the contents contain an absolute or rooted path in the underlying + /// filesystem, this function fails with `error-code::not-permitted`. + /// + /// Note: This is similar to `readlinkat` in POSIX. + readlink-at: func( + /// The relative path of the symbolic link from which to read. + path: string, + ) -> result; + + /// Remove a directory. + /// + /// Return `error-code::not-empty` if the directory is not empty. + /// + /// Note: This is similar to `unlinkat(fd, path, AT_REMOVEDIR)` in POSIX. + remove-directory-at: func( + /// The relative path to a directory to remove. + path: string, + ) -> result<_, error-code>; + + /// Rename a filesystem object. + /// + /// Note: This is similar to `renameat` in POSIX. + rename-at: func( + /// The relative source path of the file or directory to rename. + old-path: string, + /// The base directory for `new-path`. + new-descriptor: borrow, + /// The relative destination path to which to rename the file or directory. + new-path: string, + ) -> result<_, error-code>; + + /// Create a symbolic link (also known as a "symlink"). + /// + /// If `old-path` starts with `/`, the function fails with + /// `error-code::not-permitted`. + /// + /// Note: This is similar to `symlinkat` in POSIX. + symlink-at: func( + /// The contents of the symbolic link. + old-path: string, + /// The relative destination path at which to create the symbolic link. + new-path: string, + ) -> result<_, error-code>; + + /// Unlink a filesystem object that is not a directory. + /// + /// Return `error-code::is-directory` if the path refers to a directory. + /// Note: This is similar to `unlinkat(fd, path, 0)` in POSIX. + unlink-file-at: func( + /// The relative path to a file to unlink. + path: string, + ) -> result<_, error-code>; + + /// Test whether two descriptors refer to the same filesystem object. + /// + /// In POSIX, this corresponds to testing whether the two descriptors have the + /// same device (`st_dev`) and inode (`st_ino` or `d_ino`) numbers. + /// wasi-filesystem does not expose device and inode numbers, so this function + /// may be used instead. + is-same-object: func(other: borrow) -> bool; + + /// Return a hash of the metadata associated with a filesystem object referred + /// to by a descriptor. + /// + /// This returns a hash of the last-modification timestamp and file size, and + /// may also include the inode number, device number, birth timestamp, and + /// other metadata fields that may change when the file is modified or + /// replaced. It may also include a secret value chosen by the + /// implementation and not otherwise exposed. + /// + /// Implementations are encourated to provide the following properties: + /// + /// - If the file is not modified or replaced, the computed hash value should + /// usually not change. + /// - If the object is modified or replaced, the computed hash value should + /// usually change. + /// - The inputs to the hash should not be easily computable from the + /// computed hash. + /// + /// However, none of these is required. + metadata-hash: func() -> result; + + /// Return a hash of the metadata associated with a filesystem object referred + /// to by a directory descriptor and a relative path. + /// + /// This performs the same hash computation as `metadata-hash`. + metadata-hash-at: func( + /// Flags determining the method of how the path is resolved. + path-flags: path-flags, + /// The relative path of the file or directory to inspect. + path: string, + ) -> result; + } + + /// A stream of directory entries. + resource directory-entry-stream { + /// Read a single directory entry from a `directory-entry-stream`. + read-directory-entry: func() -> result, error-code>; + } + + /// Attempts to extract a filesystem-related `error-code` from the stream + /// `error` provided. + /// + /// Stream operations which return `stream-error::last-operation-failed` + /// have a payload with more information about the operation that failed. + /// This payload can be passed through to this function to see if there's + /// filesystem-related information about the error to return. + /// + /// Note that this function is fallible because not all stream-related + /// errors are filesystem-related errors. + filesystem-error-code: func(err: borrow) -> option; +} diff --git a/examples/http-server/wit/deps/filesystem/world.wit b/examples/http-server/wit/deps/filesystem/world.wit new file mode 100644 index 0000000..663f579 --- /dev/null +++ b/examples/http-server/wit/deps/filesystem/world.wit @@ -0,0 +1,6 @@ +package wasi:filesystem@0.2.0; + +world imports { + import types; + import preopens; +} diff --git a/examples/http-server/wit/deps/http/handler.wit b/examples/http-server/wit/deps/http/handler.wit new file mode 100644 index 0000000..a34a064 --- /dev/null +++ b/examples/http-server/wit/deps/http/handler.wit @@ -0,0 +1,43 @@ +/// This interface defines a handler of incoming HTTP Requests. It should +/// be exported by components which can respond to HTTP Requests. +interface incoming-handler { + use types.{incoming-request, response-outparam}; + + /// This function is invoked with an incoming HTTP Request, and a resource + /// `response-outparam` which provides the capability to reply with an HTTP + /// Response. The response is sent by calling the `response-outparam.set` + /// method, which allows execution to continue after the response has been + /// sent. This enables both streaming to the response body, and performing other + /// work. + /// + /// The implementor of this function must write a response to the + /// `response-outparam` before returning, or else the caller will respond + /// with an error on its behalf. + handle: func( + request: incoming-request, + response-out: response-outparam + ); +} + +/// This interface defines a handler of outgoing HTTP Requests. It should be +/// imported by components which wish to make HTTP Requests. +interface outgoing-handler { + use types.{ + outgoing-request, request-options, future-incoming-response, error-code + }; + + /// This function is invoked with an outgoing HTTP Request, and it returns + /// a resource `future-incoming-response` which represents an HTTP Response + /// which may arrive in the future. + /// + /// The `options` argument accepts optional parameters for the HTTP + /// protocol's transport layer. + /// + /// This function may return an error if the `outgoing-request` is invalid + /// or not allowed to be made. Otherwise, protocol errors are reported + /// through the `future-incoming-response`. + handle: func( + request: outgoing-request, + options: option + ) -> result; +} diff --git a/examples/http-server/wit/deps/http/proxy.wit b/examples/http-server/wit/deps/http/proxy.wit new file mode 100644 index 0000000..687c24d --- /dev/null +++ b/examples/http-server/wit/deps/http/proxy.wit @@ -0,0 +1,32 @@ +package wasi:http@0.2.0; + +/// The `wasi:http/proxy` world captures a widely-implementable intersection of +/// hosts that includes HTTP forward and reverse proxies. Components targeting +/// this world may concurrently stream in and out any number of incoming and +/// outgoing HTTP requests. +world proxy { + /// HTTP proxies have access to time and randomness. + include wasi:clocks/imports@0.2.0; + import wasi:random/random@0.2.0; + + /// Proxies have standard output and error streams which are expected to + /// terminate in a developer-facing console provided by the host. + import wasi:cli/stdout@0.2.0; + import wasi:cli/stderr@0.2.0; + + /// TODO: this is a temporary workaround until component tooling is able to + /// gracefully handle the absence of stdin. Hosts must return an eof stream + /// for this import, which is what wasi-libc + tooling will do automatically + /// when this import is properly removed. + import wasi:cli/stdin@0.2.0; + + /// This is the default handler to use when user code simply wants to make an + /// HTTP request (e.g., via `fetch()`). + import outgoing-handler; + + /// The host delivers incoming HTTP requests to a component by calling the + /// `handle` function of this exported interface. A host may arbitrarily reuse + /// or not reuse component instance when delivering incoming HTTP requests and + /// thus a component must be able to handle 0..N calls to `handle`. + export incoming-handler; +} diff --git a/examples/http-server/wit/deps/http/types.wit b/examples/http-server/wit/deps/http/types.wit new file mode 100644 index 0000000..755ac6a --- /dev/null +++ b/examples/http-server/wit/deps/http/types.wit @@ -0,0 +1,570 @@ +/// This interface defines all of the types and methods for implementing +/// HTTP Requests and Responses, both incoming and outgoing, as well as +/// their headers, trailers, and bodies. +interface types { + use wasi:clocks/monotonic-clock@0.2.0.{duration}; + use wasi:io/streams@0.2.0.{input-stream, output-stream}; + use wasi:io/error@0.2.0.{error as io-error}; + use wasi:io/poll@0.2.0.{pollable}; + + /// This type corresponds to HTTP standard Methods. + variant method { + get, + head, + post, + put, + delete, + connect, + options, + trace, + patch, + other(string) + } + + /// This type corresponds to HTTP standard Related Schemes. + variant scheme { + HTTP, + HTTPS, + other(string) + } + + /// These cases are inspired by the IANA HTTP Proxy Error Types: + /// https://www.iana.org/assignments/http-proxy-status/http-proxy-status.xhtml#table-http-proxy-error-types + variant error-code { + DNS-timeout, + DNS-error(DNS-error-payload), + destination-not-found, + destination-unavailable, + destination-IP-prohibited, + destination-IP-unroutable, + connection-refused, + connection-terminated, + connection-timeout, + connection-read-timeout, + connection-write-timeout, + connection-limit-reached, + TLS-protocol-error, + TLS-certificate-error, + TLS-alert-received(TLS-alert-received-payload), + HTTP-request-denied, + HTTP-request-length-required, + HTTP-request-body-size(option), + HTTP-request-method-invalid, + HTTP-request-URI-invalid, + HTTP-request-URI-too-long, + HTTP-request-header-section-size(option), + HTTP-request-header-size(option), + HTTP-request-trailer-section-size(option), + HTTP-request-trailer-size(field-size-payload), + HTTP-response-incomplete, + HTTP-response-header-section-size(option), + HTTP-response-header-size(field-size-payload), + HTTP-response-body-size(option), + HTTP-response-trailer-section-size(option), + HTTP-response-trailer-size(field-size-payload), + HTTP-response-transfer-coding(option), + HTTP-response-content-coding(option), + HTTP-response-timeout, + HTTP-upgrade-failed, + HTTP-protocol-error, + loop-detected, + configuration-error, + /// This is a catch-all error for anything that doesn't fit cleanly into a + /// more specific case. It also includes an optional string for an + /// unstructured description of the error. Users should not depend on the + /// string for diagnosing errors, as it's not required to be consistent + /// between implementations. + internal-error(option) + } + + /// Defines the case payload type for `DNS-error` above: + record DNS-error-payload { + rcode: option, + info-code: option + } + + /// Defines the case payload type for `TLS-alert-received` above: + record TLS-alert-received-payload { + alert-id: option, + alert-message: option + } + + /// Defines the case payload type for `HTTP-response-{header,trailer}-size` above: + record field-size-payload { + field-name: option, + field-size: option + } + + /// Attempts to extract a http-related `error` from the wasi:io `error` + /// provided. + /// + /// Stream operations which return + /// `wasi:io/stream/stream-error::last-operation-failed` have a payload of + /// type `wasi:io/error/error` with more information about the operation + /// that failed. This payload can be passed through to this function to see + /// if there's http-related information about the error to return. + /// + /// Note that this function is fallible because not all io-errors are + /// http-related errors. + http-error-code: func(err: borrow) -> option; + + /// This type enumerates the different kinds of errors that may occur when + /// setting or appending to a `fields` resource. + variant header-error { + /// This error indicates that a `field-key` or `field-value` was + /// syntactically invalid when used with an operation that sets headers in a + /// `fields`. + invalid-syntax, + + /// This error indicates that a forbidden `field-key` was used when trying + /// to set a header in a `fields`. + forbidden, + + /// This error indicates that the operation on the `fields` was not + /// permitted because the fields are immutable. + immutable, + } + + /// Field keys are always strings. + type field-key = string; + + /// Field values should always be ASCII strings. However, in + /// reality, HTTP implementations often have to interpret malformed values, + /// so they are provided as a list of bytes. + type field-value = list; + + /// This following block defines the `fields` resource which corresponds to + /// HTTP standard Fields. Fields are a common representation used for both + /// Headers and Trailers. + /// + /// A `fields` may be mutable or immutable. A `fields` created using the + /// constructor, `from-list`, or `clone` will be mutable, but a `fields` + /// resource given by other means (including, but not limited to, + /// `incoming-request.headers`, `outgoing-request.headers`) might be be + /// immutable. In an immutable fields, the `set`, `append`, and `delete` + /// operations will fail with `header-error.immutable`. + resource fields { + + /// Construct an empty HTTP Fields. + /// + /// The resulting `fields` is mutable. + constructor(); + + /// Construct an HTTP Fields. + /// + /// The resulting `fields` is mutable. + /// + /// The list represents each key-value pair in the Fields. Keys + /// which have multiple values are represented by multiple entries in this + /// list with the same key. + /// + /// The tuple is a pair of the field key, represented as a string, and + /// Value, represented as a list of bytes. In a valid Fields, all keys + /// and values are valid UTF-8 strings. However, values are not always + /// well-formed, so they are represented as a raw list of bytes. + /// + /// An error result will be returned if any header or value was + /// syntactically invalid, or if a header was forbidden. + from-list: static func( + entries: list> + ) -> result; + + /// Get all of the values corresponding to a key. If the key is not present + /// in this `fields`, an empty list is returned. However, if the key is + /// present but empty, this is represented by a list with one or more + /// empty field-values present. + get: func(name: field-key) -> list; + + /// Returns `true` when the key is present in this `fields`. If the key is + /// syntactically invalid, `false` is returned. + has: func(name: field-key) -> bool; + + /// Set all of the values for a key. Clears any existing values for that + /// key, if they have been set. + /// + /// Fails with `header-error.immutable` if the `fields` are immutable. + set: func(name: field-key, value: list) -> result<_, header-error>; + + /// Delete all values for a key. Does nothing if no values for the key + /// exist. + /// + /// Fails with `header-error.immutable` if the `fields` are immutable. + delete: func(name: field-key) -> result<_, header-error>; + + /// Append a value for a key. Does not change or delete any existing + /// values for that key. + /// + /// Fails with `header-error.immutable` if the `fields` are immutable. + append: func(name: field-key, value: field-value) -> result<_, header-error>; + + /// Retrieve the full set of keys and values in the Fields. Like the + /// constructor, the list represents each key-value pair. + /// + /// The outer list represents each key-value pair in the Fields. Keys + /// which have multiple values are represented by multiple entries in this + /// list with the same key. + entries: func() -> list>; + + /// Make a deep copy of the Fields. Equivelant in behavior to calling the + /// `fields` constructor on the return value of `entries`. The resulting + /// `fields` is mutable. + clone: func() -> fields; + } + + /// Headers is an alias for Fields. + type headers = fields; + + /// Trailers is an alias for Fields. + type trailers = fields; + + /// Represents an incoming HTTP Request. + resource incoming-request { + + /// Returns the method of the incoming request. + method: func() -> method; + + /// Returns the path with query parameters from the request, as a string. + path-with-query: func() -> option; + + /// Returns the protocol scheme from the request. + scheme: func() -> option; + + /// Returns the authority from the request, if it was present. + authority: func() -> option; + + /// Get the `headers` associated with the request. + /// + /// The returned `headers` resource is immutable: `set`, `append`, and + /// `delete` operations will fail with `header-error.immutable`. + /// + /// The `headers` returned are a child resource: it must be dropped before + /// the parent `incoming-request` is dropped. Dropping this + /// `incoming-request` before all children are dropped will trap. + headers: func() -> headers; + + /// Gives the `incoming-body` associated with this request. Will only + /// return success at most once, and subsequent calls will return error. + consume: func() -> result; + } + + /// Represents an outgoing HTTP Request. + resource outgoing-request { + + /// Construct a new `outgoing-request` with a default `method` of `GET`, and + /// `none` values for `path-with-query`, `scheme`, and `authority`. + /// + /// * `headers` is the HTTP Headers for the Request. + /// + /// It is possible to construct, or manipulate with the accessor functions + /// below, an `outgoing-request` with an invalid combination of `scheme` + /// and `authority`, or `headers` which are not permitted to be sent. + /// It is the obligation of the `outgoing-handler.handle` implementation + /// to reject invalid constructions of `outgoing-request`. + constructor( + headers: headers + ); + + /// Returns the resource corresponding to the outgoing Body for this + /// Request. + /// + /// Returns success on the first call: the `outgoing-body` resource for + /// this `outgoing-request` can be retrieved at most once. Subsequent + /// calls will return error. + body: func() -> result; + + /// Get the Method for the Request. + method: func() -> method; + /// Set the Method for the Request. Fails if the string present in a + /// `method.other` argument is not a syntactically valid method. + set-method: func(method: method) -> result; + + /// Get the combination of the HTTP Path and Query for the Request. + /// When `none`, this represents an empty Path and empty Query. + path-with-query: func() -> option; + /// Set the combination of the HTTP Path and Query for the Request. + /// When `none`, this represents an empty Path and empty Query. Fails is the + /// string given is not a syntactically valid path and query uri component. + set-path-with-query: func(path-with-query: option) -> result; + + /// Get the HTTP Related Scheme for the Request. When `none`, the + /// implementation may choose an appropriate default scheme. + scheme: func() -> option; + /// Set the HTTP Related Scheme for the Request. When `none`, the + /// implementation may choose an appropriate default scheme. Fails if the + /// string given is not a syntactically valid uri scheme. + set-scheme: func(scheme: option) -> result; + + /// Get the HTTP Authority for the Request. A value of `none` may be used + /// with Related Schemes which do not require an Authority. The HTTP and + /// HTTPS schemes always require an authority. + authority: func() -> option; + /// Set the HTTP Authority for the Request. A value of `none` may be used + /// with Related Schemes which do not require an Authority. The HTTP and + /// HTTPS schemes always require an authority. Fails if the string given is + /// not a syntactically valid uri authority. + set-authority: func(authority: option) -> result; + + /// Get the headers associated with the Request. + /// + /// The returned `headers` resource is immutable: `set`, `append`, and + /// `delete` operations will fail with `header-error.immutable`. + /// + /// This headers resource is a child: it must be dropped before the parent + /// `outgoing-request` is dropped, or its ownership is transfered to + /// another component by e.g. `outgoing-handler.handle`. + headers: func() -> headers; + } + + /// Parameters for making an HTTP Request. Each of these parameters is + /// currently an optional timeout applicable to the transport layer of the + /// HTTP protocol. + /// + /// These timeouts are separate from any the user may use to bound a + /// blocking call to `wasi:io/poll.poll`. + resource request-options { + /// Construct a default `request-options` value. + constructor(); + + /// The timeout for the initial connect to the HTTP Server. + connect-timeout: func() -> option; + + /// Set the timeout for the initial connect to the HTTP Server. An error + /// return value indicates that this timeout is not supported. + set-connect-timeout: func(duration: option) -> result; + + /// The timeout for receiving the first byte of the Response body. + first-byte-timeout: func() -> option; + + /// Set the timeout for receiving the first byte of the Response body. An + /// error return value indicates that this timeout is not supported. + set-first-byte-timeout: func(duration: option) -> result; + + /// The timeout for receiving subsequent chunks of bytes in the Response + /// body stream. + between-bytes-timeout: func() -> option; + + /// Set the timeout for receiving subsequent chunks of bytes in the Response + /// body stream. An error return value indicates that this timeout is not + /// supported. + set-between-bytes-timeout: func(duration: option) -> result; + } + + /// Represents the ability to send an HTTP Response. + /// + /// This resource is used by the `wasi:http/incoming-handler` interface to + /// allow a Response to be sent corresponding to the Request provided as the + /// other argument to `incoming-handler.handle`. + resource response-outparam { + + /// Set the value of the `response-outparam` to either send a response, + /// or indicate an error. + /// + /// This method consumes the `response-outparam` to ensure that it is + /// called at most once. If it is never called, the implementation + /// will respond with an error. + /// + /// The user may provide an `error` to `response` to allow the + /// implementation determine how to respond with an HTTP error response. + set: static func( + param: response-outparam, + response: result, + ); + } + + /// This type corresponds to the HTTP standard Status Code. + type status-code = u16; + + /// Represents an incoming HTTP Response. + resource incoming-response { + + /// Returns the status code from the incoming response. + status: func() -> status-code; + + /// Returns the headers from the incoming response. + /// + /// The returned `headers` resource is immutable: `set`, `append`, and + /// `delete` operations will fail with `header-error.immutable`. + /// + /// This headers resource is a child: it must be dropped before the parent + /// `incoming-response` is dropped. + headers: func() -> headers; + + /// Returns the incoming body. May be called at most once. Returns error + /// if called additional times. + consume: func() -> result; + } + + /// Represents an incoming HTTP Request or Response's Body. + /// + /// A body has both its contents - a stream of bytes - and a (possibly + /// empty) set of trailers, indicating that the full contents of the + /// body have been received. This resource represents the contents as + /// an `input-stream` and the delivery of trailers as a `future-trailers`, + /// and ensures that the user of this interface may only be consuming either + /// the body contents or waiting on trailers at any given time. + resource incoming-body { + + /// Returns the contents of the body, as a stream of bytes. + /// + /// Returns success on first call: the stream representing the contents + /// can be retrieved at most once. Subsequent calls will return error. + /// + /// The returned `input-stream` resource is a child: it must be dropped + /// before the parent `incoming-body` is dropped, or consumed by + /// `incoming-body.finish`. + /// + /// This invariant ensures that the implementation can determine whether + /// the user is consuming the contents of the body, waiting on the + /// `future-trailers` to be ready, or neither. This allows for network + /// backpressure is to be applied when the user is consuming the body, + /// and for that backpressure to not inhibit delivery of the trailers if + /// the user does not read the entire body. + %stream: func() -> result; + + /// Takes ownership of `incoming-body`, and returns a `future-trailers`. + /// This function will trap if the `input-stream` child is still alive. + finish: static func(this: incoming-body) -> future-trailers; + } + + /// Represents a future which may eventaully return trailers, or an error. + /// + /// In the case that the incoming HTTP Request or Response did not have any + /// trailers, this future will resolve to the empty set of trailers once the + /// complete Request or Response body has been received. + resource future-trailers { + + /// Returns a pollable which becomes ready when either the trailers have + /// been received, or an error has occured. When this pollable is ready, + /// the `get` method will return `some`. + subscribe: func() -> pollable; + + /// Returns the contents of the trailers, or an error which occured, + /// once the future is ready. + /// + /// The outer `option` represents future readiness. Users can wait on this + /// `option` to become `some` using the `subscribe` method. + /// + /// The outer `result` is used to retrieve the trailers or error at most + /// once. It will be success on the first call in which the outer option + /// is `some`, and error on subsequent calls. + /// + /// The inner `result` represents that either the HTTP Request or Response + /// body, as well as any trailers, were received successfully, or that an + /// error occured receiving them. The optional `trailers` indicates whether + /// or not trailers were present in the body. + /// + /// When some `trailers` are returned by this method, the `trailers` + /// resource is immutable, and a child. Use of the `set`, `append`, or + /// `delete` methods will return an error, and the resource must be + /// dropped before the parent `future-trailers` is dropped. + get: func() -> option, error-code>>>; + } + + /// Represents an outgoing HTTP Response. + resource outgoing-response { + + /// Construct an `outgoing-response`, with a default `status-code` of `200`. + /// If a different `status-code` is needed, it must be set via the + /// `set-status-code` method. + /// + /// * `headers` is the HTTP Headers for the Response. + constructor(headers: headers); + + /// Get the HTTP Status Code for the Response. + status-code: func() -> status-code; + + /// Set the HTTP Status Code for the Response. Fails if the status-code + /// given is not a valid http status code. + set-status-code: func(status-code: status-code) -> result; + + /// Get the headers associated with the Request. + /// + /// The returned `headers` resource is immutable: `set`, `append`, and + /// `delete` operations will fail with `header-error.immutable`. + /// + /// This headers resource is a child: it must be dropped before the parent + /// `outgoing-request` is dropped, or its ownership is transfered to + /// another component by e.g. `outgoing-handler.handle`. + headers: func() -> headers; + + /// Returns the resource corresponding to the outgoing Body for this Response. + /// + /// Returns success on the first call: the `outgoing-body` resource for + /// this `outgoing-response` can be retrieved at most once. Subsequent + /// calls will return error. + body: func() -> result; + } + + /// Represents an outgoing HTTP Request or Response's Body. + /// + /// A body has both its contents - a stream of bytes - and a (possibly + /// empty) set of trailers, inducating the full contents of the body + /// have been sent. This resource represents the contents as an + /// `output-stream` child resource, and the completion of the body (with + /// optional trailers) with a static function that consumes the + /// `outgoing-body` resource, and ensures that the user of this interface + /// may not write to the body contents after the body has been finished. + /// + /// If the user code drops this resource, as opposed to calling the static + /// method `finish`, the implementation should treat the body as incomplete, + /// and that an error has occured. The implementation should propogate this + /// error to the HTTP protocol by whatever means it has available, + /// including: corrupting the body on the wire, aborting the associated + /// Request, or sending a late status code for the Response. + resource outgoing-body { + + /// Returns a stream for writing the body contents. + /// + /// The returned `output-stream` is a child resource: it must be dropped + /// before the parent `outgoing-body` resource is dropped (or finished), + /// otherwise the `outgoing-body` drop or `finish` will trap. + /// + /// Returns success on the first call: the `output-stream` resource for + /// this `outgoing-body` may be retrieved at most once. Subsequent calls + /// will return error. + write: func() -> result; + + /// Finalize an outgoing body, optionally providing trailers. This must be + /// called to signal that the response is complete. If the `outgoing-body` + /// is dropped without calling `outgoing-body.finalize`, the implementation + /// should treat the body as corrupted. + /// + /// Fails if the body's `outgoing-request` or `outgoing-response` was + /// constructed with a Content-Length header, and the contents written + /// to the body (via `write`) does not match the value given in the + /// Content-Length. + finish: static func( + this: outgoing-body, + trailers: option + ) -> result<_, error-code>; + } + + /// Represents a future which may eventaully return an incoming HTTP + /// Response, or an error. + /// + /// This resource is returned by the `wasi:http/outgoing-handler` interface to + /// provide the HTTP Response corresponding to the sent Request. + resource future-incoming-response { + /// Returns a pollable which becomes ready when either the Response has + /// been received, or an error has occured. When this pollable is ready, + /// the `get` method will return `some`. + subscribe: func() -> pollable; + + /// Returns the incoming HTTP Response, or an error, once one is ready. + /// + /// The outer `option` represents future readiness. Users can wait on this + /// `option` to become `some` using the `subscribe` method. + /// + /// The outer `result` is used to retrieve the response or error at most + /// once. It will be success on the first call in which the outer option + /// is `some`, and error on subsequent calls. + /// + /// The inner `result` represents that either the incoming HTTP Response + /// status and headers have recieved successfully, or that an error + /// occured. Errors may also occur while consuming the response body, + /// but those will be reported by the `incoming-body` and its + /// `output-stream` child. + get: func() -> option>>; + + } +} diff --git a/examples/http-server/wit/deps/io/error.wit b/examples/http-server/wit/deps/io/error.wit new file mode 100644 index 0000000..22e5b64 --- /dev/null +++ b/examples/http-server/wit/deps/io/error.wit @@ -0,0 +1,34 @@ +package wasi:io@0.2.0; + + +interface error { + /// A resource which represents some error information. + /// + /// The only method provided by this resource is `to-debug-string`, + /// which provides some human-readable information about the error. + /// + /// In the `wasi:io` package, this resource is returned through the + /// `wasi:io/streams/stream-error` type. + /// + /// To provide more specific error information, other interfaces may + /// provide functions to further "downcast" this error into more specific + /// error information. For example, `error`s returned in streams derived + /// from filesystem types to be described using the filesystem's own + /// error-code type, using the function + /// `wasi:filesystem/types/filesystem-error-code`, which takes a parameter + /// `borrow` and returns + /// `option`. + /// + /// The set of functions which can "downcast" an `error` into a more + /// concrete type is open. + resource error { + /// Returns a string that is suitable to assist humans in debugging + /// this error. + /// + /// WARNING: The returned string should not be consumed mechanically! + /// It may change across platforms, hosts, or other implementation + /// details. Parsing this string is a major platform-compatibility + /// hazard. + to-debug-string: func() -> string; + } +} diff --git a/examples/http-server/wit/deps/io/poll.wit b/examples/http-server/wit/deps/io/poll.wit new file mode 100644 index 0000000..ddc67f8 --- /dev/null +++ b/examples/http-server/wit/deps/io/poll.wit @@ -0,0 +1,41 @@ +package wasi:io@0.2.0; + +/// A poll API intended to let users wait for I/O events on multiple handles +/// at once. +interface poll { + /// `pollable` represents a single I/O event which may be ready, or not. + resource pollable { + + /// Return the readiness of a pollable. This function never blocks. + /// + /// Returns `true` when the pollable is ready, and `false` otherwise. + ready: func() -> bool; + + /// `block` returns immediately if the pollable is ready, and otherwise + /// blocks until ready. + /// + /// This function is equivalent to calling `poll.poll` on a list + /// containing only this pollable. + block: func(); + } + + /// Poll for completion on a set of pollables. + /// + /// This function takes a list of pollables, which identify I/O sources of + /// interest, and waits until one or more of the events is ready for I/O. + /// + /// The result `list` contains one or more indices of handles in the + /// argument list that is ready for I/O. + /// + /// If the list contains more elements than can be indexed with a `u32` + /// value, this function traps. + /// + /// A timeout can be implemented by adding a pollable from the + /// wasi-clocks API to the list. + /// + /// This function does not return a `result`; polling in itself does not + /// do any I/O so it doesn't fail. If any of the I/O sources identified by + /// the pollables has an error, it is indicated by marking the source as + /// being reaedy for I/O. + poll: func(in: list>) -> list; +} diff --git a/examples/http-server/wit/deps/io/streams.wit b/examples/http-server/wit/deps/io/streams.wit new file mode 100644 index 0000000..6d2f871 --- /dev/null +++ b/examples/http-server/wit/deps/io/streams.wit @@ -0,0 +1,262 @@ +package wasi:io@0.2.0; + +/// WASI I/O is an I/O abstraction API which is currently focused on providing +/// stream types. +/// +/// In the future, the component model is expected to add built-in stream types; +/// when it does, they are expected to subsume this API. +interface streams { + use error.{error}; + use poll.{pollable}; + + /// An error for input-stream and output-stream operations. + variant stream-error { + /// The last operation (a write or flush) failed before completion. + /// + /// More information is available in the `error` payload. + last-operation-failed(error), + /// The stream is closed: no more input will be accepted by the + /// stream. A closed output-stream will return this error on all + /// future operations. + closed + } + + /// An input bytestream. + /// + /// `input-stream`s are *non-blocking* to the extent practical on underlying + /// platforms. I/O operations always return promptly; if fewer bytes are + /// promptly available than requested, they return the number of bytes promptly + /// available, which could even be zero. To wait for data to be available, + /// use the `subscribe` function to obtain a `pollable` which can be polled + /// for using `wasi:io/poll`. + resource input-stream { + /// Perform a non-blocking read from the stream. + /// + /// When the source of a `read` is binary data, the bytes from the source + /// are returned verbatim. When the source of a `read` is known to the + /// implementation to be text, bytes containing the UTF-8 encoding of the + /// text are returned. + /// + /// This function returns a list of bytes containing the read data, + /// when successful. The returned list will contain up to `len` bytes; + /// it may return fewer than requested, but not more. The list is + /// empty when no bytes are available for reading at this time. The + /// pollable given by `subscribe` will be ready when more bytes are + /// available. + /// + /// This function fails with a `stream-error` when the operation + /// encounters an error, giving `last-operation-failed`, or when the + /// stream is closed, giving `closed`. + /// + /// When the caller gives a `len` of 0, it represents a request to + /// read 0 bytes. If the stream is still open, this call should + /// succeed and return an empty list, or otherwise fail with `closed`. + /// + /// The `len` parameter is a `u64`, which could represent a list of u8 which + /// is not possible to allocate in wasm32, or not desirable to allocate as + /// as a return value by the callee. The callee may return a list of bytes + /// less than `len` in size while more bytes are available for reading. + read: func( + /// The maximum number of bytes to read + len: u64 + ) -> result, stream-error>; + + /// Read bytes from a stream, after blocking until at least one byte can + /// be read. Except for blocking, behavior is identical to `read`. + blocking-read: func( + /// The maximum number of bytes to read + len: u64 + ) -> result, stream-error>; + + /// Skip bytes from a stream. Returns number of bytes skipped. + /// + /// Behaves identical to `read`, except instead of returning a list + /// of bytes, returns the number of bytes consumed from the stream. + skip: func( + /// The maximum number of bytes to skip. + len: u64, + ) -> result; + + /// Skip bytes from a stream, after blocking until at least one byte + /// can be skipped. Except for blocking behavior, identical to `skip`. + blocking-skip: func( + /// The maximum number of bytes to skip. + len: u64, + ) -> result; + + /// Create a `pollable` which will resolve once either the specified stream + /// has bytes available to read or the other end of the stream has been + /// closed. + /// The created `pollable` is a child resource of the `input-stream`. + /// Implementations may trap if the `input-stream` is dropped before + /// all derived `pollable`s created with this function are dropped. + subscribe: func() -> pollable; + } + + + /// An output bytestream. + /// + /// `output-stream`s are *non-blocking* to the extent practical on + /// underlying platforms. Except where specified otherwise, I/O operations also + /// always return promptly, after the number of bytes that can be written + /// promptly, which could even be zero. To wait for the stream to be ready to + /// accept data, the `subscribe` function to obtain a `pollable` which can be + /// polled for using `wasi:io/poll`. + resource output-stream { + /// Check readiness for writing. This function never blocks. + /// + /// Returns the number of bytes permitted for the next call to `write`, + /// or an error. Calling `write` with more bytes than this function has + /// permitted will trap. + /// + /// When this function returns 0 bytes, the `subscribe` pollable will + /// become ready when this function will report at least 1 byte, or an + /// error. + check-write: func() -> result; + + /// Perform a write. This function never blocks. + /// + /// When the destination of a `write` is binary data, the bytes from + /// `contents` are written verbatim. When the destination of a `write` is + /// known to the implementation to be text, the bytes of `contents` are + /// transcoded from UTF-8 into the encoding of the destination and then + /// written. + /// + /// Precondition: check-write gave permit of Ok(n) and contents has a + /// length of less than or equal to n. Otherwise, this function will trap. + /// + /// returns Err(closed) without writing if the stream has closed since + /// the last call to check-write provided a permit. + write: func( + contents: list + ) -> result<_, stream-error>; + + /// Perform a write of up to 4096 bytes, and then flush the stream. Block + /// until all of these operations are complete, or an error occurs. + /// + /// This is a convenience wrapper around the use of `check-write`, + /// `subscribe`, `write`, and `flush`, and is implemented with the + /// following pseudo-code: + /// + /// ```text + /// let pollable = this.subscribe(); + /// while !contents.is_empty() { + /// // Wait for the stream to become writable + /// pollable.block(); + /// let Ok(n) = this.check-write(); // eliding error handling + /// let len = min(n, contents.len()); + /// let (chunk, rest) = contents.split_at(len); + /// this.write(chunk ); // eliding error handling + /// contents = rest; + /// } + /// this.flush(); + /// // Wait for completion of `flush` + /// pollable.block(); + /// // Check for any errors that arose during `flush` + /// let _ = this.check-write(); // eliding error handling + /// ``` + blocking-write-and-flush: func( + contents: list + ) -> result<_, stream-error>; + + /// Request to flush buffered output. This function never blocks. + /// + /// This tells the output-stream that the caller intends any buffered + /// output to be flushed. the output which is expected to be flushed + /// is all that has been passed to `write` prior to this call. + /// + /// Upon calling this function, the `output-stream` will not accept any + /// writes (`check-write` will return `ok(0)`) until the flush has + /// completed. The `subscribe` pollable will become ready when the + /// flush has completed and the stream can accept more writes. + flush: func() -> result<_, stream-error>; + + /// Request to flush buffered output, and block until flush completes + /// and stream is ready for writing again. + blocking-flush: func() -> result<_, stream-error>; + + /// Create a `pollable` which will resolve once the output-stream + /// is ready for more writing, or an error has occured. When this + /// pollable is ready, `check-write` will return `ok(n)` with n>0, or an + /// error. + /// + /// If the stream is closed, this pollable is always ready immediately. + /// + /// The created `pollable` is a child resource of the `output-stream`. + /// Implementations may trap if the `output-stream` is dropped before + /// all derived `pollable`s created with this function are dropped. + subscribe: func() -> pollable; + + /// Write zeroes to a stream. + /// + /// This should be used precisely like `write` with the exact same + /// preconditions (must use check-write first), but instead of + /// passing a list of bytes, you simply pass the number of zero-bytes + /// that should be written. + write-zeroes: func( + /// The number of zero-bytes to write + len: u64 + ) -> result<_, stream-error>; + + /// Perform a write of up to 4096 zeroes, and then flush the stream. + /// Block until all of these operations are complete, or an error + /// occurs. + /// + /// This is a convenience wrapper around the use of `check-write`, + /// `subscribe`, `write-zeroes`, and `flush`, and is implemented with + /// the following pseudo-code: + /// + /// ```text + /// let pollable = this.subscribe(); + /// while num_zeroes != 0 { + /// // Wait for the stream to become writable + /// pollable.block(); + /// let Ok(n) = this.check-write(); // eliding error handling + /// let len = min(n, num_zeroes); + /// this.write-zeroes(len); // eliding error handling + /// num_zeroes -= len; + /// } + /// this.flush(); + /// // Wait for completion of `flush` + /// pollable.block(); + /// // Check for any errors that arose during `flush` + /// let _ = this.check-write(); // eliding error handling + /// ``` + blocking-write-zeroes-and-flush: func( + /// The number of zero-bytes to write + len: u64 + ) -> result<_, stream-error>; + + /// Read from one stream and write to another. + /// + /// The behavior of splice is equivelant to: + /// 1. calling `check-write` on the `output-stream` + /// 2. calling `read` on the `input-stream` with the smaller of the + /// `check-write` permitted length and the `len` provided to `splice` + /// 3. calling `write` on the `output-stream` with that read data. + /// + /// Any error reported by the call to `check-write`, `read`, or + /// `write` ends the splice and reports that error. + /// + /// This function returns the number of bytes transferred; it may be less + /// than `len`. + splice: func( + /// The stream to read from + src: borrow, + /// The number of bytes to splice + len: u64, + ) -> result; + + /// Read from one stream and write to another, with blocking. + /// + /// This is similar to `splice`, except that it blocks until the + /// `output-stream` is ready for writing, and the `input-stream` + /// is ready for reading, before performing the `splice`. + blocking-splice: func( + /// The stream to read from + src: borrow, + /// The number of bytes to splice + len: u64, + ) -> result; + } +} diff --git a/examples/http-server/wit/deps/io/world.wit b/examples/http-server/wit/deps/io/world.wit new file mode 100644 index 0000000..5f0b43f --- /dev/null +++ b/examples/http-server/wit/deps/io/world.wit @@ -0,0 +1,6 @@ +package wasi:io@0.2.0; + +world imports { + import streams; + import poll; +} diff --git a/examples/http-server/wit/deps/keyvalue/atomic.wit b/examples/http-server/wit/deps/keyvalue/atomic.wit new file mode 100644 index 0000000..2aa8d92 --- /dev/null +++ b/examples/http-server/wit/deps/keyvalue/atomic.wit @@ -0,0 +1,22 @@ +/// A keyvalue interface that provides atomic operations. +/// +/// Atomic operations are single, indivisible operations. When a fault causes an atomic operation to +/// fail, it will appear to the invoker of the atomic operation that the action either completed +/// successfully or did nothing at all. +/// +/// Please note that this interface is bare functions that take a reference to a bucket. This is to +/// get around the current lack of a way to "extend" a resource with additional methods inside of +/// wit. Future version of the interface will instead extend these methods on the base `bucket` +/// resource. +interface atomics { + use store.{error}; + + /// Atomically increment the value associated with the key in the store by the given delta. It + /// returns the new value. + /// + /// If the key does not exist in the store, it creates a new key-value pair with the value set + /// to the given delta. + /// + /// If any other error occurs, it returns an `Err(error)`. + increment: func(bucket: string, key: string, delta: u64) -> result; +} diff --git a/examples/http-server/wit/deps/keyvalue/batch.wit b/examples/http-server/wit/deps/keyvalue/batch.wit new file mode 100644 index 0000000..29fb49d --- /dev/null +++ b/examples/http-server/wit/deps/keyvalue/batch.wit @@ -0,0 +1,63 @@ +/// A keyvalue interface that provides batch operations. +/// +/// A batch operation is an operation that operates on multiple keys at once. +/// +/// Batch operations are useful for reducing network round-trip time. For example, if you want to +/// get the values associated with 100 keys, you can either do 100 get operations or you can do 1 +/// batch get operation. The batch operation is faster because it only needs to make 1 network call +/// instead of 100. +/// +/// A batch operation does not guarantee atomicity, meaning that if the batch operation fails, some +/// of the keys may have been modified and some may not. +/// +/// This interface does has the same consistency guarantees as the `store` interface, meaning that +/// you should be able to "read your writes." +/// +/// Please note that this interface is bare functions that take a reference to a bucket. This is to +/// get around the current lack of a way to "extend" a resource with additional methods inside of +/// wit. Future version of the interface will instead extend these methods on the base `bucket` +/// resource. +interface batch { + use store.{error}; + + /// Get the key-value pairs associated with the keys in the store. It returns a list of + /// key-value pairs. + /// + /// If any of the keys do not exist in the store, it returns a `none` value for that pair in the + /// list. + /// + /// MAY show an out-of-date value if there are concurrent writes to the store. + /// + /// If any other error occurs, it returns an `Err(error)`. + get-many: func(bucket: string, keys: list) -> result>>>, error>; + + /// Set the values associated with the keys in the store. If the key already exists in the + /// store, it overwrites the value. + /// + /// Note that the key-value pairs are not guaranteed to be set in the order they are provided. + /// + /// If any of the keys do not exist in the store, it creates a new key-value pair. + /// + /// If any other error occurs, it returns an `Err(error)`. When an error occurs, it does not + /// rollback the key-value pairs that were already set. Thus, this batch operation does not + /// guarantee atomicity, implying that some key-value pairs could be set while others might + /// fail. + /// + /// Other concurrent operations may also be able to see the partial results. + set-many: func(bucket: string, key-values: list>>) -> result<_, error>; + + /// Delete the key-value pairs associated with the keys in the store. + /// + /// Note that the key-value pairs are not guaranteed to be deleted in the order they are + /// provided. + /// + /// If any of the keys do not exist in the store, it skips the key. + /// + /// If any other error occurs, it returns an `Err(error)`. When an error occurs, it does not + /// rollback the key-value pairs that were already deleted. Thus, this batch operation does not + /// guarantee atomicity, implying that some key-value pairs could be deleted while others might + /// fail. + /// + /// Other concurrent operations may also be able to see the partial results. + delete-many: func(bucket: string, keys: list) -> result<_, error>; +} diff --git a/examples/http-server/wit/deps/keyvalue/store.wit b/examples/http-server/wit/deps/keyvalue/store.wit new file mode 100644 index 0000000..2b66a3b --- /dev/null +++ b/examples/http-server/wit/deps/keyvalue/store.wit @@ -0,0 +1,114 @@ +/// A keyvalue interface that provides eventually consistent key-value operations. +/// +/// Each of these operations acts on a single key-value pair. +/// +/// The value in the key-value pair is defined as a `u8` byte array and the intention is that it is +/// the common denominator for all data types defined by different key-value stores to handle data, +/// ensuring compatibility between different key-value stores. Note: the clients will be expecting +/// serialization/deserialization overhead to be handled by the key-value store. The value could be +/// a serialized object from JSON, HTML or vendor-specific data types like AWS S3 objects. +/// +/// Data consistency in a key value store refers to the guarantee that once a write operation +/// completes, all subsequent read operations will return the value that was written. +/// +/// Any implementation of this interface must have enough consistency to guarantee "reading your +/// writes." In particular, this means that the client should never get a value that is older than +/// the one it wrote, but it MAY get a newer value if one was written around the same time. These +/// guarantees only apply to the same client (which will likely be provided by the host or an +/// external capability of some kind). In this context a "client" is referring to the caller or +/// guest that is consuming this interface. Once a write request is committed by a specific client, +/// all subsequent read requests by the same client will reflect that write or any subsequent +/// writes. Another client running in a different context may or may not immediately see the result +/// due to the replication lag. As an example of all of this, if a value at a given key is A, and +/// the client writes B, then immediately reads, it should get B. If something else writes C in +/// quick succession, then the client may get C. However, a client running in a separate context may +/// still see A or B +interface store { + /// The set of errors which may be raised by functions in this package + variant error { + /// The host does not recognize the store identifier requested. + no-such-store, + + /// The requesting component does not have access to the specified store + /// (which may or may not exist). + access-denied, + + /// Some implementation-specific error has occurred (e.g. I/O) + other(string) + } + + /// A response to a `list-keys` operation. + record key-response { + /// The list of keys returned by the query. + keys: list, + /// The continuation token to use to fetch the next page of keys. If this is `null`, then + /// there are no more keys to fetch. + cursor: option + } + + /// A bucket is a collection of key-value pairs. Each key-value pair is stored as a entry in the + /// bucket, and the bucket itself acts as a collection of all these entries. + /// + /// It is worth noting that the exact terminology for bucket in key-value stores can very + /// depending on the specific implementation. For example: + /// + /// 1. Amazon DynamoDB calls a collection of key-value pairs a table + /// 2. Redis has hashes, sets, and sorted sets as different types of collections + /// 3. Cassandra calls a collection of key-value pairs a column family + /// 4. MongoDB calls a collection of key-value pairs a collection + /// 5. Riak calls a collection of key-value pairs a bucket + /// 6. Memcached calls a collection of key-value pairs a slab + /// 7. Azure Cosmos DB calls a collection of key-value pairs a container + /// + /// In this interface, we use the term `bucket` to refer to a collection of key-value pairs + + /// Get the value associated with the specified `key` + /// + /// The value is returned as an option. If the key-value pair exists in the + /// store, it returns `Ok(value)`. If the key does not exist in the + /// store, it returns `Ok(none)`. + /// + /// If any other error occurs, it returns an `Err(error)`. + get: func(bucket: string, key: string) -> result>, error>; + + /// Set the value associated with the key in the store. If the key already + /// exists in the store, it overwrites the value. + /// + /// If the key does not exist in the store, it creates a new key-value pair. + /// + /// If any other error occurs, it returns an `Err(error)`. + set: func(bucket: string, key: string, value: list) -> result<_, error>; + + /// Delete the key-value pair associated with the key in the store. + /// + /// If the key does not exist in the store, it does nothing. + /// + /// If any other error occurs, it returns an `Err(error)`. + delete: func(bucket: string, key: string) -> result<_, error>; + + /// Check if the key exists in the store. + /// + /// If the key exists in the store, it returns `Ok(true)`. If the key does + /// not exist in the store, it returns `Ok(false)`. + /// + /// If any other error occurs, it returns an `Err(error)`. + exists: func(bucket: string, key: string) -> result; + + /// Get all the keys in the store with an optional cursor (for use in pagination). It + /// returns a list of keys. Please note that for most KeyValue implementations, this is a + /// can be a very expensive operation and so it should be used judiciously. Implementations + /// can return any number of keys in a single response, but they should never attempt to + /// send more data than is reasonable (i.e. on a small edge device, this may only be a few + /// KB, while on a large machine this could be several MB). Any response should also return + /// a cursor that can be used to fetch the next page of keys. See the `key-response` record + /// for more information. + /// + /// Note that the keys are not guaranteed to be returned in any particular order. + /// + /// If the store is empty, it returns an empty list. + /// + /// MAY show an out-of-date list of keys if there are concurrent writes to the store. + /// + /// If any error occurs, it returns an `Err(error)`. + list-keys: func(bucket: string, cursor: option) -> result; +} diff --git a/examples/http-server/wit/deps/keyvalue/watch.wit b/examples/http-server/wit/deps/keyvalue/watch.wit new file mode 100644 index 0000000..178ed5b --- /dev/null +++ b/examples/http-server/wit/deps/keyvalue/watch.wit @@ -0,0 +1,15 @@ +/// A keyvalue interface that provides watch operations. +/// +/// This interface is used to provide event-driven mechanisms to handle +/// keyvalue changes. +interface watcher { + /// A keyvalue interface that provides handle-watch operations. + + /// Handle the `set` event for the given bucket and key. It includes a reference to the `bucket` + /// that can be used to interact with the store. + on-set: func(bucket: string, key: string, value: list); + + /// Handle the `delete` event for the given bucket and key. It includes a reference to the + /// `bucket` that can be used to interact with the store. + on-delete: func(bucket: string, key: string); +} diff --git a/examples/http-server/wit/deps/keyvalue/world.wit b/examples/http-server/wit/deps/keyvalue/world.wit new file mode 100644 index 0000000..3320639 --- /dev/null +++ b/examples/http-server/wit/deps/keyvalue/world.wit @@ -0,0 +1,26 @@ +package wrpc:keyvalue@0.2.0-draft; + +/// The `wrpc:keyvalue/imports` world provides common APIs for interacting with key-value stores. +/// Components targeting this world will be able to do: +/// +/// 1. CRUD (create, read, update, delete) operations on key-value stores. +/// 2. Atomic `increment` and CAS (compare-and-swap) operations. +/// 3. Batch operations that can reduce the number of round trips to the network. +world imports { + /// The `store` capability allows the component to perform eventually consistent operations on + /// the key-value store. + import store; + + /// The `atomic` capability allows the component to perform atomic / `increment` and CAS + /// (compare-and-swap) operations. + import atomics; + + /// The `batch` capability allows the component to perform eventually consistent batch + /// operations that can reduce the number of round trips to the network. + import batch; +} + +world watch-service { + include imports; + export watcher; +} diff --git a/examples/http-server/wit/deps/random/insecure-seed.wit b/examples/http-server/wit/deps/random/insecure-seed.wit new file mode 100644 index 0000000..47210ac --- /dev/null +++ b/examples/http-server/wit/deps/random/insecure-seed.wit @@ -0,0 +1,25 @@ +package wasi:random@0.2.0; +/// The insecure-seed interface for seeding hash-map DoS resistance. +/// +/// It is intended to be portable at least between Unix-family platforms and +/// Windows. +interface insecure-seed { + /// Return a 128-bit value that may contain a pseudo-random value. + /// + /// The returned value is not required to be computed from a CSPRNG, and may + /// even be entirely deterministic. Host implementations are encouraged to + /// provide pseudo-random values to any program exposed to + /// attacker-controlled content, to enable DoS protection built into many + /// languages' hash-map implementations. + /// + /// This function is intended to only be called once, by a source language + /// to initialize Denial Of Service (DoS) protection in its hash-map + /// implementation. + /// + /// # Expected future evolution + /// + /// This will likely be changed to a value import, to prevent it from being + /// called multiple times and potentially used for purposes other than DoS + /// protection. + insecure-seed: func() -> tuple; +} diff --git a/examples/http-server/wit/deps/random/insecure.wit b/examples/http-server/wit/deps/random/insecure.wit new file mode 100644 index 0000000..c58f4ee --- /dev/null +++ b/examples/http-server/wit/deps/random/insecure.wit @@ -0,0 +1,22 @@ +package wasi:random@0.2.0; +/// The insecure interface for insecure pseudo-random numbers. +/// +/// It is intended to be portable at least between Unix-family platforms and +/// Windows. +interface insecure { + /// Return `len` insecure pseudo-random bytes. + /// + /// This function is not cryptographically secure. Do not use it for + /// anything related to security. + /// + /// There are no requirements on the values of the returned bytes, however + /// implementations are encouraged to return evenly distributed values with + /// a long period. + get-insecure-random-bytes: func(len: u64) -> list; + + /// Return an insecure pseudo-random `u64` value. + /// + /// This function returns the same type of pseudo-random data as + /// `get-insecure-random-bytes`, represented as a `u64`. + get-insecure-random-u64: func() -> u64; +} diff --git a/examples/http-server/wit/deps/random/random.wit b/examples/http-server/wit/deps/random/random.wit new file mode 100644 index 0000000..0c017f0 --- /dev/null +++ b/examples/http-server/wit/deps/random/random.wit @@ -0,0 +1,26 @@ +package wasi:random@0.2.0; +/// WASI Random is a random data API. +/// +/// It is intended to be portable at least between Unix-family platforms and +/// Windows. +interface random { + /// Return `len` cryptographically-secure random or pseudo-random bytes. + /// + /// This function must produce data at least as cryptographically secure and + /// fast as an adequately seeded cryptographically-secure pseudo-random + /// number generator (CSPRNG). It must not block, from the perspective of + /// the calling program, under any circumstances, including on the first + /// request and on requests for numbers of bytes. The returned data must + /// always be unpredictable. + /// + /// This function must always return fresh data. Deterministic environments + /// must omit this function, rather than implementing it with deterministic + /// data. + get-random-bytes: func(len: u64) -> list; + + /// Return a cryptographically-secure random or pseudo-random `u64` value. + /// + /// This function returns the same type of data as `get-random-bytes`, + /// represented as a `u64`. + get-random-u64: func() -> u64; +} diff --git a/examples/http-server/wit/deps/random/world.wit b/examples/http-server/wit/deps/random/world.wit new file mode 100644 index 0000000..3da3491 --- /dev/null +++ b/examples/http-server/wit/deps/random/world.wit @@ -0,0 +1,7 @@ +package wasi:random@0.2.0; + +world imports { + import random; + import insecure; + import insecure-seed; +} diff --git a/examples/http-server/wit/deps/sockets/instance-network.wit b/examples/http-server/wit/deps/sockets/instance-network.wit new file mode 100644 index 0000000..e455d0f --- /dev/null +++ b/examples/http-server/wit/deps/sockets/instance-network.wit @@ -0,0 +1,9 @@ + +/// This interface provides a value-export of the default network handle.. +interface instance-network { + use network.{network}; + + /// Get a handle to the default network. + instance-network: func() -> network; + +} diff --git a/examples/http-server/wit/deps/sockets/ip-name-lookup.wit b/examples/http-server/wit/deps/sockets/ip-name-lookup.wit new file mode 100644 index 0000000..8e639ec --- /dev/null +++ b/examples/http-server/wit/deps/sockets/ip-name-lookup.wit @@ -0,0 +1,51 @@ + +interface ip-name-lookup { + use wasi:io/poll@0.2.0.{pollable}; + use network.{network, error-code, ip-address}; + + + /// Resolve an internet host name to a list of IP addresses. + /// + /// Unicode domain names are automatically converted to ASCII using IDNA encoding. + /// If the input is an IP address string, the address is parsed and returned + /// as-is without making any external requests. + /// + /// See the wasi-socket proposal README.md for a comparison with getaddrinfo. + /// + /// This function never blocks. It either immediately fails or immediately + /// returns successfully with a `resolve-address-stream` that can be used + /// to (asynchronously) fetch the results. + /// + /// # Typical errors + /// - `invalid-argument`: `name` is a syntactically invalid domain name or IP address. + /// + /// # References: + /// - + /// - + /// - + /// - + resolve-addresses: func(network: borrow, name: string) -> result; + + resource resolve-address-stream { + /// Returns the next address from the resolver. + /// + /// This function should be called multiple times. On each call, it will + /// return the next address in connection order preference. If all + /// addresses have been exhausted, this function returns `none`. + /// + /// This function never returns IPv4-mapped IPv6 addresses. + /// + /// # Typical errors + /// - `name-unresolvable`: Name does not exist or has no suitable associated IP addresses. (EAI_NONAME, EAI_NODATA, EAI_ADDRFAMILY) + /// - `temporary-resolver-failure`: A temporary failure in name resolution occurred. (EAI_AGAIN) + /// - `permanent-resolver-failure`: A permanent failure in name resolution occurred. (EAI_FAIL) + /// - `would-block`: A result is not available yet. (EWOULDBLOCK, EAGAIN) + resolve-next-address: func() -> result, error-code>; + + /// Create a `pollable` which will resolve once the stream is ready for I/O. + /// + /// Note: this function is here for WASI Preview2 only. + /// It's planned to be removed when `future` is natively supported in Preview3. + subscribe: func() -> pollable; + } +} diff --git a/examples/http-server/wit/deps/sockets/network.wit b/examples/http-server/wit/deps/sockets/network.wit new file mode 100644 index 0000000..9cadf06 --- /dev/null +++ b/examples/http-server/wit/deps/sockets/network.wit @@ -0,0 +1,145 @@ + +interface network { + /// An opaque resource that represents access to (a subset of) the network. + /// This enables context-based security for networking. + /// There is no need for this to map 1:1 to a physical network interface. + resource network; + + /// Error codes. + /// + /// In theory, every API can return any error code. + /// In practice, API's typically only return the errors documented per API + /// combined with a couple of errors that are always possible: + /// - `unknown` + /// - `access-denied` + /// - `not-supported` + /// - `out-of-memory` + /// - `concurrency-conflict` + /// + /// See each individual API for what the POSIX equivalents are. They sometimes differ per API. + enum error-code { + /// Unknown error + unknown, + + /// Access denied. + /// + /// POSIX equivalent: EACCES, EPERM + access-denied, + + /// The operation is not supported. + /// + /// POSIX equivalent: EOPNOTSUPP + not-supported, + + /// One of the arguments is invalid. + /// + /// POSIX equivalent: EINVAL + invalid-argument, + + /// Not enough memory to complete the operation. + /// + /// POSIX equivalent: ENOMEM, ENOBUFS, EAI_MEMORY + out-of-memory, + + /// The operation timed out before it could finish completely. + timeout, + + /// This operation is incompatible with another asynchronous operation that is already in progress. + /// + /// POSIX equivalent: EALREADY + concurrency-conflict, + + /// Trying to finish an asynchronous operation that: + /// - has not been started yet, or: + /// - was already finished by a previous `finish-*` call. + /// + /// Note: this is scheduled to be removed when `future`s are natively supported. + not-in-progress, + + /// The operation has been aborted because it could not be completed immediately. + /// + /// Note: this is scheduled to be removed when `future`s are natively supported. + would-block, + + + /// The operation is not valid in the socket's current state. + invalid-state, + + /// A new socket resource could not be created because of a system limit. + new-socket-limit, + + /// A bind operation failed because the provided address is not an address that the `network` can bind to. + address-not-bindable, + + /// A bind operation failed because the provided address is already in use or because there are no ephemeral ports available. + address-in-use, + + /// The remote address is not reachable + remote-unreachable, + + + /// The TCP connection was forcefully rejected + connection-refused, + + /// The TCP connection was reset. + connection-reset, + + /// A TCP connection was aborted. + connection-aborted, + + + /// The size of a datagram sent to a UDP socket exceeded the maximum + /// supported size. + datagram-too-large, + + + /// Name does not exist or has no suitable associated IP addresses. + name-unresolvable, + + /// A temporary failure in name resolution occurred. + temporary-resolver-failure, + + /// A permanent failure in name resolution occurred. + permanent-resolver-failure, + } + + enum ip-address-family { + /// Similar to `AF_INET` in POSIX. + ipv4, + + /// Similar to `AF_INET6` in POSIX. + ipv6, + } + + type ipv4-address = tuple; + type ipv6-address = tuple; + + variant ip-address { + ipv4(ipv4-address), + ipv6(ipv6-address), + } + + record ipv4-socket-address { + /// sin_port + port: u16, + /// sin_addr + address: ipv4-address, + } + + record ipv6-socket-address { + /// sin6_port + port: u16, + /// sin6_flowinfo + flow-info: u32, + /// sin6_addr + address: ipv6-address, + /// sin6_scope_id + scope-id: u32, + } + + variant ip-socket-address { + ipv4(ipv4-socket-address), + ipv6(ipv6-socket-address), + } + +} diff --git a/examples/http-server/wit/deps/sockets/tcp-create-socket.wit b/examples/http-server/wit/deps/sockets/tcp-create-socket.wit new file mode 100644 index 0000000..c7ddf1f --- /dev/null +++ b/examples/http-server/wit/deps/sockets/tcp-create-socket.wit @@ -0,0 +1,27 @@ + +interface tcp-create-socket { + use network.{network, error-code, ip-address-family}; + use tcp.{tcp-socket}; + + /// Create a new TCP socket. + /// + /// Similar to `socket(AF_INET or AF_INET6, SOCK_STREAM, IPPROTO_TCP)` in POSIX. + /// On IPv6 sockets, IPV6_V6ONLY is enabled by default and can't be configured otherwise. + /// + /// This function does not require a network capability handle. This is considered to be safe because + /// at time of creation, the socket is not bound to any `network` yet. Up to the moment `bind`/`connect` + /// is called, the socket is effectively an in-memory configuration object, unable to communicate with the outside world. + /// + /// All sockets are non-blocking. Use the wasi-poll interface to block on asynchronous operations. + /// + /// # Typical errors + /// - `not-supported`: The specified `address-family` is not supported. (EAFNOSUPPORT) + /// - `new-socket-limit`: The new socket resource could not be created because of a system limit. (EMFILE, ENFILE) + /// + /// # References + /// - + /// - + /// - + /// - + create-tcp-socket: func(address-family: ip-address-family) -> result; +} diff --git a/examples/http-server/wit/deps/sockets/tcp.wit b/examples/http-server/wit/deps/sockets/tcp.wit new file mode 100644 index 0000000..5902b9e --- /dev/null +++ b/examples/http-server/wit/deps/sockets/tcp.wit @@ -0,0 +1,353 @@ + +interface tcp { + use wasi:io/streams@0.2.0.{input-stream, output-stream}; + use wasi:io/poll@0.2.0.{pollable}; + use wasi:clocks/monotonic-clock@0.2.0.{duration}; + use network.{network, error-code, ip-socket-address, ip-address-family}; + + enum shutdown-type { + /// Similar to `SHUT_RD` in POSIX. + receive, + + /// Similar to `SHUT_WR` in POSIX. + send, + + /// Similar to `SHUT_RDWR` in POSIX. + both, + } + + /// A TCP socket resource. + /// + /// The socket can be in one of the following states: + /// - `unbound` + /// - `bind-in-progress` + /// - `bound` (See note below) + /// - `listen-in-progress` + /// - `listening` + /// - `connect-in-progress` + /// - `connected` + /// - `closed` + /// See + /// for a more information. + /// + /// Note: Except where explicitly mentioned, whenever this documentation uses + /// the term "bound" without backticks it actually means: in the `bound` state *or higher*. + /// (i.e. `bound`, `listen-in-progress`, `listening`, `connect-in-progress` or `connected`) + /// + /// In addition to the general error codes documented on the + /// `network::error-code` type, TCP socket methods may always return + /// `error(invalid-state)` when in the `closed` state. + resource tcp-socket { + /// Bind the socket to a specific network on the provided IP address and port. + /// + /// If the IP address is zero (`0.0.0.0` in IPv4, `::` in IPv6), it is left to the implementation to decide which + /// network interface(s) to bind to. + /// If the TCP/UDP port is zero, the socket will be bound to a random free port. + /// + /// Bind can be attempted multiple times on the same socket, even with + /// different arguments on each iteration. But never concurrently and + /// only as long as the previous bind failed. Once a bind succeeds, the + /// binding can't be changed anymore. + /// + /// # Typical errors + /// - `invalid-argument`: The `local-address` has the wrong address family. (EAFNOSUPPORT, EFAULT on Windows) + /// - `invalid-argument`: `local-address` is not a unicast address. (EINVAL) + /// - `invalid-argument`: `local-address` is an IPv4-mapped IPv6 address. (EINVAL) + /// - `invalid-state`: The socket is already bound. (EINVAL) + /// - `address-in-use`: No ephemeral ports available. (EADDRINUSE, ENOBUFS on Windows) + /// - `address-in-use`: Address is already in use. (EADDRINUSE) + /// - `address-not-bindable`: `local-address` is not an address that the `network` can bind to. (EADDRNOTAVAIL) + /// - `not-in-progress`: A `bind` operation is not in progress. + /// - `would-block`: Can't finish the operation, it is still in progress. (EWOULDBLOCK, EAGAIN) + /// + /// # Implementors note + /// When binding to a non-zero port, this bind operation shouldn't be affected by the TIME_WAIT + /// state of a recently closed socket on the same local address. In practice this means that the SO_REUSEADDR + /// socket option should be set implicitly on all platforms, except on Windows where this is the default behavior + /// and SO_REUSEADDR performs something different entirely. + /// + /// Unlike in POSIX, in WASI the bind operation is async. This enables + /// interactive WASI hosts to inject permission prompts. Runtimes that + /// don't want to make use of this ability can simply call the native + /// `bind` as part of either `start-bind` or `finish-bind`. + /// + /// # References + /// - + /// - + /// - + /// - + start-bind: func(network: borrow, local-address: ip-socket-address) -> result<_, error-code>; + finish-bind: func() -> result<_, error-code>; + + /// Connect to a remote endpoint. + /// + /// On success: + /// - the socket is transitioned into the `connection` state. + /// - a pair of streams is returned that can be used to read & write to the connection + /// + /// After a failed connection attempt, the socket will be in the `closed` + /// state and the only valid action left is to `drop` the socket. A single + /// socket can not be used to connect more than once. + /// + /// # Typical errors + /// - `invalid-argument`: The `remote-address` has the wrong address family. (EAFNOSUPPORT) + /// - `invalid-argument`: `remote-address` is not a unicast address. (EINVAL, ENETUNREACH on Linux, EAFNOSUPPORT on MacOS) + /// - `invalid-argument`: `remote-address` is an IPv4-mapped IPv6 address. (EINVAL, EADDRNOTAVAIL on Illumos) + /// - `invalid-argument`: The IP address in `remote-address` is set to INADDR_ANY (`0.0.0.0` / `::`). (EADDRNOTAVAIL on Windows) + /// - `invalid-argument`: The port in `remote-address` is set to 0. (EADDRNOTAVAIL on Windows) + /// - `invalid-argument`: The socket is already attached to a different network. The `network` passed to `connect` must be identical to the one passed to `bind`. + /// - `invalid-state`: The socket is already in the `connected` state. (EISCONN) + /// - `invalid-state`: The socket is already in the `listening` state. (EOPNOTSUPP, EINVAL on Windows) + /// - `timeout`: Connection timed out. (ETIMEDOUT) + /// - `connection-refused`: The connection was forcefully rejected. (ECONNREFUSED) + /// - `connection-reset`: The connection was reset. (ECONNRESET) + /// - `connection-aborted`: The connection was aborted. (ECONNABORTED) + /// - `remote-unreachable`: The remote address is not reachable. (EHOSTUNREACH, EHOSTDOWN, ENETUNREACH, ENETDOWN, ENONET) + /// - `address-in-use`: Tried to perform an implicit bind, but there were no ephemeral ports available. (EADDRINUSE, EADDRNOTAVAIL on Linux, EAGAIN on BSD) + /// - `not-in-progress`: A connect operation is not in progress. + /// - `would-block`: Can't finish the operation, it is still in progress. (EWOULDBLOCK, EAGAIN) + /// + /// # Implementors note + /// The POSIX equivalent of `start-connect` is the regular `connect` syscall. + /// Because all WASI sockets are non-blocking this is expected to return + /// EINPROGRESS, which should be translated to `ok()` in WASI. + /// + /// The POSIX equivalent of `finish-connect` is a `poll` for event `POLLOUT` + /// with a timeout of 0 on the socket descriptor. Followed by a check for + /// the `SO_ERROR` socket option, in case the poll signaled readiness. + /// + /// # References + /// - + /// - + /// - + /// - + start-connect: func(network: borrow, remote-address: ip-socket-address) -> result<_, error-code>; + finish-connect: func() -> result, error-code>; + + /// Start listening for new connections. + /// + /// Transitions the socket into the `listening` state. + /// + /// Unlike POSIX, the socket must already be explicitly bound. + /// + /// # Typical errors + /// - `invalid-state`: The socket is not bound to any local address. (EDESTADDRREQ) + /// - `invalid-state`: The socket is already in the `connected` state. (EISCONN, EINVAL on BSD) + /// - `invalid-state`: The socket is already in the `listening` state. + /// - `address-in-use`: Tried to perform an implicit bind, but there were no ephemeral ports available. (EADDRINUSE) + /// - `not-in-progress`: A listen operation is not in progress. + /// - `would-block`: Can't finish the operation, it is still in progress. (EWOULDBLOCK, EAGAIN) + /// + /// # Implementors note + /// Unlike in POSIX, in WASI the listen operation is async. This enables + /// interactive WASI hosts to inject permission prompts. Runtimes that + /// don't want to make use of this ability can simply call the native + /// `listen` as part of either `start-listen` or `finish-listen`. + /// + /// # References + /// - + /// - + /// - + /// - + start-listen: func() -> result<_, error-code>; + finish-listen: func() -> result<_, error-code>; + + /// Accept a new client socket. + /// + /// The returned socket is bound and in the `connected` state. The following properties are inherited from the listener socket: + /// - `address-family` + /// - `keep-alive-enabled` + /// - `keep-alive-idle-time` + /// - `keep-alive-interval` + /// - `keep-alive-count` + /// - `hop-limit` + /// - `receive-buffer-size` + /// - `send-buffer-size` + /// + /// On success, this function returns the newly accepted client socket along with + /// a pair of streams that can be used to read & write to the connection. + /// + /// # Typical errors + /// - `invalid-state`: Socket is not in the `listening` state. (EINVAL) + /// - `would-block`: No pending connections at the moment. (EWOULDBLOCK, EAGAIN) + /// - `connection-aborted`: An incoming connection was pending, but was terminated by the client before this listener could accept it. (ECONNABORTED) + /// - `new-socket-limit`: The new socket resource could not be created because of a system limit. (EMFILE, ENFILE) + /// + /// # References + /// - + /// - + /// - + /// - + accept: func() -> result, error-code>; + + /// Get the bound local address. + /// + /// POSIX mentions: + /// > If the socket has not been bound to a local name, the value + /// > stored in the object pointed to by `address` is unspecified. + /// + /// WASI is stricter and requires `local-address` to return `invalid-state` when the socket hasn't been bound yet. + /// + /// # Typical errors + /// - `invalid-state`: The socket is not bound to any local address. + /// + /// # References + /// - + /// - + /// - + /// - + local-address: func() -> result; + + /// Get the remote address. + /// + /// # Typical errors + /// - `invalid-state`: The socket is not connected to a remote address. (ENOTCONN) + /// + /// # References + /// - + /// - + /// - + /// - + remote-address: func() -> result; + + /// Whether the socket is in the `listening` state. + /// + /// Equivalent to the SO_ACCEPTCONN socket option. + is-listening: func() -> bool; + + /// Whether this is a IPv4 or IPv6 socket. + /// + /// Equivalent to the SO_DOMAIN socket option. + address-family: func() -> ip-address-family; + + /// Hints the desired listen queue size. Implementations are free to ignore this. + /// + /// If the provided value is 0, an `invalid-argument` error is returned. + /// Any other value will never cause an error, but it might be silently clamped and/or rounded. + /// + /// # Typical errors + /// - `not-supported`: (set) The platform does not support changing the backlog size after the initial listen. + /// - `invalid-argument`: (set) The provided value was 0. + /// - `invalid-state`: (set) The socket is in the `connect-in-progress` or `connected` state. + set-listen-backlog-size: func(value: u64) -> result<_, error-code>; + + /// Enables or disables keepalive. + /// + /// The keepalive behavior can be adjusted using: + /// - `keep-alive-idle-time` + /// - `keep-alive-interval` + /// - `keep-alive-count` + /// These properties can be configured while `keep-alive-enabled` is false, but only come into effect when `keep-alive-enabled` is true. + /// + /// Equivalent to the SO_KEEPALIVE socket option. + keep-alive-enabled: func() -> result; + set-keep-alive-enabled: func(value: bool) -> result<_, error-code>; + + /// Amount of time the connection has to be idle before TCP starts sending keepalive packets. + /// + /// If the provided value is 0, an `invalid-argument` error is returned. + /// Any other value will never cause an error, but it might be silently clamped and/or rounded. + /// I.e. after setting a value, reading the same setting back may return a different value. + /// + /// Equivalent to the TCP_KEEPIDLE socket option. (TCP_KEEPALIVE on MacOS) + /// + /// # Typical errors + /// - `invalid-argument`: (set) The provided value was 0. + keep-alive-idle-time: func() -> result; + set-keep-alive-idle-time: func(value: duration) -> result<_, error-code>; + + /// The time between keepalive packets. + /// + /// If the provided value is 0, an `invalid-argument` error is returned. + /// Any other value will never cause an error, but it might be silently clamped and/or rounded. + /// I.e. after setting a value, reading the same setting back may return a different value. + /// + /// Equivalent to the TCP_KEEPINTVL socket option. + /// + /// # Typical errors + /// - `invalid-argument`: (set) The provided value was 0. + keep-alive-interval: func() -> result; + set-keep-alive-interval: func(value: duration) -> result<_, error-code>; + + /// The maximum amount of keepalive packets TCP should send before aborting the connection. + /// + /// If the provided value is 0, an `invalid-argument` error is returned. + /// Any other value will never cause an error, but it might be silently clamped and/or rounded. + /// I.e. after setting a value, reading the same setting back may return a different value. + /// + /// Equivalent to the TCP_KEEPCNT socket option. + /// + /// # Typical errors + /// - `invalid-argument`: (set) The provided value was 0. + keep-alive-count: func() -> result; + set-keep-alive-count: func(value: u32) -> result<_, error-code>; + + /// Equivalent to the IP_TTL & IPV6_UNICAST_HOPS socket options. + /// + /// If the provided value is 0, an `invalid-argument` error is returned. + /// + /// # Typical errors + /// - `invalid-argument`: (set) The TTL value must be 1 or higher. + hop-limit: func() -> result; + set-hop-limit: func(value: u8) -> result<_, error-code>; + + /// The kernel buffer space reserved for sends/receives on this socket. + /// + /// If the provided value is 0, an `invalid-argument` error is returned. + /// Any other value will never cause an error, but it might be silently clamped and/or rounded. + /// I.e. after setting a value, reading the same setting back may return a different value. + /// + /// Equivalent to the SO_RCVBUF and SO_SNDBUF socket options. + /// + /// # Typical errors + /// - `invalid-argument`: (set) The provided value was 0. + receive-buffer-size: func() -> result; + set-receive-buffer-size: func(value: u64) -> result<_, error-code>; + send-buffer-size: func() -> result; + set-send-buffer-size: func(value: u64) -> result<_, error-code>; + + /// Create a `pollable` which can be used to poll for, or block on, + /// completion of any of the asynchronous operations of this socket. + /// + /// When `finish-bind`, `finish-listen`, `finish-connect` or `accept` + /// return `error(would-block)`, this pollable can be used to wait for + /// their success or failure, after which the method can be retried. + /// + /// The pollable is not limited to the async operation that happens to be + /// in progress at the time of calling `subscribe` (if any). Theoretically, + /// `subscribe` only has to be called once per socket and can then be + /// (re)used for the remainder of the socket's lifetime. + /// + /// See + /// for a more information. + /// + /// Note: this function is here for WASI Preview2 only. + /// It's planned to be removed when `future` is natively supported in Preview3. + subscribe: func() -> pollable; + + /// Initiate a graceful shutdown. + /// + /// - `receive`: The socket is not expecting to receive any data from + /// the peer. The `input-stream` associated with this socket will be + /// closed. Any data still in the receive queue at time of calling + /// this method will be discarded. + /// - `send`: The socket has no more data to send to the peer. The `output-stream` + /// associated with this socket will be closed and a FIN packet will be sent. + /// - `both`: Same effect as `receive` & `send` combined. + /// + /// This function is idempotent. Shutting a down a direction more than once + /// has no effect and returns `ok`. + /// + /// The shutdown function does not close (drop) the socket. + /// + /// # Typical errors + /// - `invalid-state`: The socket is not in the `connected` state. (ENOTCONN) + /// + /// # References + /// - + /// - + /// - + /// - + shutdown: func(shutdown-type: shutdown-type) -> result<_, error-code>; + } +} diff --git a/examples/http-server/wit/deps/sockets/udp-create-socket.wit b/examples/http-server/wit/deps/sockets/udp-create-socket.wit new file mode 100644 index 0000000..0482d1f --- /dev/null +++ b/examples/http-server/wit/deps/sockets/udp-create-socket.wit @@ -0,0 +1,27 @@ + +interface udp-create-socket { + use network.{network, error-code, ip-address-family}; + use udp.{udp-socket}; + + /// Create a new UDP socket. + /// + /// Similar to `socket(AF_INET or AF_INET6, SOCK_DGRAM, IPPROTO_UDP)` in POSIX. + /// On IPv6 sockets, IPV6_V6ONLY is enabled by default and can't be configured otherwise. + /// + /// This function does not require a network capability handle. This is considered to be safe because + /// at time of creation, the socket is not bound to any `network` yet. Up to the moment `bind` is called, + /// the socket is effectively an in-memory configuration object, unable to communicate with the outside world. + /// + /// All sockets are non-blocking. Use the wasi-poll interface to block on asynchronous operations. + /// + /// # Typical errors + /// - `not-supported`: The specified `address-family` is not supported. (EAFNOSUPPORT) + /// - `new-socket-limit`: The new socket resource could not be created because of a system limit. (EMFILE, ENFILE) + /// + /// # References: + /// - + /// - + /// - + /// - + create-udp-socket: func(address-family: ip-address-family) -> result; +} diff --git a/examples/http-server/wit/deps/sockets/udp.wit b/examples/http-server/wit/deps/sockets/udp.wit new file mode 100644 index 0000000..d987a0a --- /dev/null +++ b/examples/http-server/wit/deps/sockets/udp.wit @@ -0,0 +1,266 @@ + +interface udp { + use wasi:io/poll@0.2.0.{pollable}; + use network.{network, error-code, ip-socket-address, ip-address-family}; + + /// A received datagram. + record incoming-datagram { + /// The payload. + /// + /// Theoretical max size: ~64 KiB. In practice, typically less than 1500 bytes. + data: list, + + /// The source address. + /// + /// This field is guaranteed to match the remote address the stream was initialized with, if any. + /// + /// Equivalent to the `src_addr` out parameter of `recvfrom`. + remote-address: ip-socket-address, + } + + /// A datagram to be sent out. + record outgoing-datagram { + /// The payload. + data: list, + + /// The destination address. + /// + /// The requirements on this field depend on how the stream was initialized: + /// - with a remote address: this field must be None or match the stream's remote address exactly. + /// - without a remote address: this field is required. + /// + /// If this value is None, the send operation is equivalent to `send` in POSIX. Otherwise it is equivalent to `sendto`. + remote-address: option, + } + + + + /// A UDP socket handle. + resource udp-socket { + /// Bind the socket to a specific network on the provided IP address and port. + /// + /// If the IP address is zero (`0.0.0.0` in IPv4, `::` in IPv6), it is left to the implementation to decide which + /// network interface(s) to bind to. + /// If the port is zero, the socket will be bound to a random free port. + /// + /// # Typical errors + /// - `invalid-argument`: The `local-address` has the wrong address family. (EAFNOSUPPORT, EFAULT on Windows) + /// - `invalid-state`: The socket is already bound. (EINVAL) + /// - `address-in-use`: No ephemeral ports available. (EADDRINUSE, ENOBUFS on Windows) + /// - `address-in-use`: Address is already in use. (EADDRINUSE) + /// - `address-not-bindable`: `local-address` is not an address that the `network` can bind to. (EADDRNOTAVAIL) + /// - `not-in-progress`: A `bind` operation is not in progress. + /// - `would-block`: Can't finish the operation, it is still in progress. (EWOULDBLOCK, EAGAIN) + /// + /// # Implementors note + /// Unlike in POSIX, in WASI the bind operation is async. This enables + /// interactive WASI hosts to inject permission prompts. Runtimes that + /// don't want to make use of this ability can simply call the native + /// `bind` as part of either `start-bind` or `finish-bind`. + /// + /// # References + /// - + /// - + /// - + /// - + start-bind: func(network: borrow, local-address: ip-socket-address) -> result<_, error-code>; + finish-bind: func() -> result<_, error-code>; + + /// Set up inbound & outbound communication channels, optionally to a specific peer. + /// + /// This function only changes the local socket configuration and does not generate any network traffic. + /// On success, the `remote-address` of the socket is updated. The `local-address` may be updated as well, + /// based on the best network path to `remote-address`. + /// + /// When a `remote-address` is provided, the returned streams are limited to communicating with that specific peer: + /// - `send` can only be used to send to this destination. + /// - `receive` will only return datagrams sent from the provided `remote-address`. + /// + /// This method may be called multiple times on the same socket to change its association, but + /// only the most recently returned pair of streams will be operational. Implementations may trap if + /// the streams returned by a previous invocation haven't been dropped yet before calling `stream` again. + /// + /// The POSIX equivalent in pseudo-code is: + /// ```text + /// if (was previously connected) { + /// connect(s, AF_UNSPEC) + /// } + /// if (remote_address is Some) { + /// connect(s, remote_address) + /// } + /// ``` + /// + /// Unlike in POSIX, the socket must already be explicitly bound. + /// + /// # Typical errors + /// - `invalid-argument`: The `remote-address` has the wrong address family. (EAFNOSUPPORT) + /// - `invalid-argument`: The IP address in `remote-address` is set to INADDR_ANY (`0.0.0.0` / `::`). (EDESTADDRREQ, EADDRNOTAVAIL) + /// - `invalid-argument`: The port in `remote-address` is set to 0. (EDESTADDRREQ, EADDRNOTAVAIL) + /// - `invalid-state`: The socket is not bound. + /// - `address-in-use`: Tried to perform an implicit bind, but there were no ephemeral ports available. (EADDRINUSE, EADDRNOTAVAIL on Linux, EAGAIN on BSD) + /// - `remote-unreachable`: The remote address is not reachable. (ECONNRESET, ENETRESET, EHOSTUNREACH, EHOSTDOWN, ENETUNREACH, ENETDOWN, ENONET) + /// - `connection-refused`: The connection was refused. (ECONNREFUSED) + /// + /// # References + /// - + /// - + /// - + /// - + %stream: func(remote-address: option) -> result, error-code>; + + /// Get the current bound address. + /// + /// POSIX mentions: + /// > If the socket has not been bound to a local name, the value + /// > stored in the object pointed to by `address` is unspecified. + /// + /// WASI is stricter and requires `local-address` to return `invalid-state` when the socket hasn't been bound yet. + /// + /// # Typical errors + /// - `invalid-state`: The socket is not bound to any local address. + /// + /// # References + /// - + /// - + /// - + /// - + local-address: func() -> result; + + /// Get the address the socket is currently streaming to. + /// + /// # Typical errors + /// - `invalid-state`: The socket is not streaming to a specific remote address. (ENOTCONN) + /// + /// # References + /// - + /// - + /// - + /// - + remote-address: func() -> result; + + /// Whether this is a IPv4 or IPv6 socket. + /// + /// Equivalent to the SO_DOMAIN socket option. + address-family: func() -> ip-address-family; + + /// Equivalent to the IP_TTL & IPV6_UNICAST_HOPS socket options. + /// + /// If the provided value is 0, an `invalid-argument` error is returned. + /// + /// # Typical errors + /// - `invalid-argument`: (set) The TTL value must be 1 or higher. + unicast-hop-limit: func() -> result; + set-unicast-hop-limit: func(value: u8) -> result<_, error-code>; + + /// The kernel buffer space reserved for sends/receives on this socket. + /// + /// If the provided value is 0, an `invalid-argument` error is returned. + /// Any other value will never cause an error, but it might be silently clamped and/or rounded. + /// I.e. after setting a value, reading the same setting back may return a different value. + /// + /// Equivalent to the SO_RCVBUF and SO_SNDBUF socket options. + /// + /// # Typical errors + /// - `invalid-argument`: (set) The provided value was 0. + receive-buffer-size: func() -> result; + set-receive-buffer-size: func(value: u64) -> result<_, error-code>; + send-buffer-size: func() -> result; + set-send-buffer-size: func(value: u64) -> result<_, error-code>; + + /// Create a `pollable` which will resolve once the socket is ready for I/O. + /// + /// Note: this function is here for WASI Preview2 only. + /// It's planned to be removed when `future` is natively supported in Preview3. + subscribe: func() -> pollable; + } + + resource incoming-datagram-stream { + /// Receive messages on the socket. + /// + /// This function attempts to receive up to `max-results` datagrams on the socket without blocking. + /// The returned list may contain fewer elements than requested, but never more. + /// + /// This function returns successfully with an empty list when either: + /// - `max-results` is 0, or: + /// - `max-results` is greater than 0, but no results are immediately available. + /// This function never returns `error(would-block)`. + /// + /// # Typical errors + /// - `remote-unreachable`: The remote address is not reachable. (ECONNRESET, ENETRESET on Windows, EHOSTUNREACH, EHOSTDOWN, ENETUNREACH, ENETDOWN, ENONET) + /// - `connection-refused`: The connection was refused. (ECONNREFUSED) + /// + /// # References + /// - + /// - + /// - + /// - + /// - + /// - + /// - + /// - + receive: func(max-results: u64) -> result, error-code>; + + /// Create a `pollable` which will resolve once the stream is ready to receive again. + /// + /// Note: this function is here for WASI Preview2 only. + /// It's planned to be removed when `future` is natively supported in Preview3. + subscribe: func() -> pollable; + } + + resource outgoing-datagram-stream { + /// Check readiness for sending. This function never blocks. + /// + /// Returns the number of datagrams permitted for the next call to `send`, + /// or an error. Calling `send` with more datagrams than this function has + /// permitted will trap. + /// + /// When this function returns ok(0), the `subscribe` pollable will + /// become ready when this function will report at least ok(1), or an + /// error. + /// + /// Never returns `would-block`. + check-send: func() -> result; + + /// Send messages on the socket. + /// + /// This function attempts to send all provided `datagrams` on the socket without blocking and + /// returns how many messages were actually sent (or queued for sending). This function never + /// returns `error(would-block)`. If none of the datagrams were able to be sent, `ok(0)` is returned. + /// + /// This function semantically behaves the same as iterating the `datagrams` list and sequentially + /// sending each individual datagram until either the end of the list has been reached or the first error occurred. + /// If at least one datagram has been sent successfully, this function never returns an error. + /// + /// If the input list is empty, the function returns `ok(0)`. + /// + /// Each call to `send` must be permitted by a preceding `check-send`. Implementations must trap if + /// either `check-send` was not called or `datagrams` contains more items than `check-send` permitted. + /// + /// # Typical errors + /// - `invalid-argument`: The `remote-address` has the wrong address family. (EAFNOSUPPORT) + /// - `invalid-argument`: The IP address in `remote-address` is set to INADDR_ANY (`0.0.0.0` / `::`). (EDESTADDRREQ, EADDRNOTAVAIL) + /// - `invalid-argument`: The port in `remote-address` is set to 0. (EDESTADDRREQ, EADDRNOTAVAIL) + /// - `invalid-argument`: The socket is in "connected" mode and `remote-address` is `some` value that does not match the address passed to `stream`. (EISCONN) + /// - `invalid-argument`: The socket is not "connected" and no value for `remote-address` was provided. (EDESTADDRREQ) + /// - `remote-unreachable`: The remote address is not reachable. (ECONNRESET, ENETRESET on Windows, EHOSTUNREACH, EHOSTDOWN, ENETUNREACH, ENETDOWN, ENONET) + /// - `connection-refused`: The connection was refused. (ECONNREFUSED) + /// - `datagram-too-large`: The datagram is too large. (EMSGSIZE) + /// + /// # References + /// - + /// - + /// - + /// - + /// - + /// - + /// - + /// - + send: func(datagrams: list) -> result; + + /// Create a `pollable` which will resolve once the stream is ready to send again. + /// + /// Note: this function is here for WASI Preview2 only. + /// It's planned to be removed when `future` is natively supported in Preview3. + subscribe: func() -> pollable; + } +} diff --git a/examples/http-server/wit/deps/sockets/world.wit b/examples/http-server/wit/deps/sockets/world.wit new file mode 100644 index 0000000..f8bb92a --- /dev/null +++ b/examples/http-server/wit/deps/sockets/world.wit @@ -0,0 +1,11 @@ +package wasi:sockets@0.2.0; + +world imports { + import instance-network; + import network; + import udp; + import udp-create-socket; + import tcp; + import tcp-create-socket; + import ip-name-lookup; +} diff --git a/examples/http-server/wit/deps/wrpc-http/handler.wit b/examples/http-server/wit/deps/wrpc-http/handler.wit new file mode 100644 index 0000000..00732ce --- /dev/null +++ b/examples/http-server/wit/deps/wrpc-http/handler.wit @@ -0,0 +1,11 @@ +interface incoming-handler { + use types.{request, response, error-code}; + + handle: func(request: request) -> result; +} + +interface outgoing-handler { + use types.{request, response, error-code, request-options}; + + handle: func(request: request, options: option) -> result; +} diff --git a/examples/http-server/wit/deps/wrpc-http/proxy.wit b/examples/http-server/wit/deps/wrpc-http/proxy.wit new file mode 100644 index 0000000..e9d827e --- /dev/null +++ b/examples/http-server/wit/deps/wrpc-http/proxy.wit @@ -0,0 +1,32 @@ +package wrpc:http@0.1.0; + +/// The `wasi:http/proxy` world captures a widely-implementable intersection of +/// hosts that includes HTTP forward and reverse proxies. Components targeting +/// this world may concurrently stream in and out any number of incoming and +/// outgoing HTTP requests. +world proxy { + /// HTTP proxies have access to time and randomness. + include wasi:clocks/imports@0.2.0; + import wasi:random/random@0.2.0; + + /// Proxies have standard output and error streams which are expected to + /// terminate in a developer-facing console provided by the host. + import wasi:cli/stdout@0.2.0; + import wasi:cli/stderr@0.2.0; + + /// TODO: this is a temporary workaround until component tooling is able to + /// gracefully handle the absence of stdin. Hosts must return an eof stream + /// for this import, which is what wasi-libc + tooling will do automatically + /// when this import is properly removed. + import wasi:cli/stdin@0.2.0; + + /// This is the default handler to use when user code simply wants to make an + /// HTTP request (e.g., via `fetch()`). + import outgoing-handler; + + /// The host delivers incoming HTTP requests to a component by calling the + /// `handle` function of this exported interface. A host may arbitrarily reuse + /// or not reuse component instance when delivering incoming HTTP requests and + /// thus a component must be able to handle 0..N calls to `handle`. + export incoming-handler; +} diff --git a/examples/http-server/wit/deps/wrpc-http/types.wit b/examples/http-server/wit/deps/wrpc-http/types.wit new file mode 100644 index 0000000..b4f3dc1 --- /dev/null +++ b/examples/http-server/wit/deps/wrpc-http/types.wit @@ -0,0 +1,38 @@ +interface types { + use wasi:http/types@0.2.0.{ + error-code as wasi-error-code, + method as wasi-method, + request-options as wasi-request-options, + scheme as wasi-scheme, + }; + use wasi:clocks/monotonic-clock@0.2.0.{duration}; + + type error-code = wasi-error-code; + type method = wasi-method; + type scheme = wasi-scheme; + + type fields = list>>>; + + record request-options { + connect-timeout: option, + first-byte-timeout: option, + between-bytes-timeout: option, + } + + record request { + body: stream, + trailers: future>, + method: method, + path-with-query: option, + scheme: option, + authority: option, + headers: fields, + } + + record response { + body: stream, + trailers: future>, + status: u16, + headers: fields, + } +} diff --git a/examples/http-server/wit/world.wit b/examples/http-server/wit/world.wit new file mode 100644 index 0000000..5dc6f8f --- /dev/null +++ b/examples/http-server/wit/world.wit @@ -0,0 +1,5 @@ +package wrpc-examples:http-server; + +world server { + import wrpc:http/incoming-handler@0.1.0; +} diff --git a/internal/internal.wrpc.go b/internal/internal.wrpc.go new file mode 100644 index 0000000..88cc99c --- /dev/null +++ b/internal/internal.wrpc.go @@ -0,0 +1,3 @@ +// Generated by `wit-bindgen-wrpc-go` 0.8.0. DO NOT EDIT! +// internal package contains wRPC bindings for `internal` world +package internal diff --git a/internal/wasi/clocks/monotonic_clock/bindings.wrpc.go b/internal/wasi/clocks/monotonic_clock/bindings.wrpc.go new file mode 100644 index 0000000..ae9bd07 --- /dev/null +++ b/internal/wasi/clocks/monotonic_clock/bindings.wrpc.go @@ -0,0 +1,286 @@ +// Generated by `wit-bindgen-wrpc-go` 0.8.0. DO NOT EDIT! +package monotonic_clock + +import ( + bytes "bytes" + context "context" + binary "encoding/binary" + errors "errors" + fmt "fmt" + wasi__io__poll "go.wasmcloud.dev/provider/internal/wasi/io/poll" + io "io" + slog "log/slog" + utf8 "unicode/utf8" + wrpc "wrpc.io/go" +) + +type Pollable = wasi__io__poll.Pollable + +// An instant in time, in nanoseconds. An instant is relative to an +// unspecified initial value, and can only be compared to instances from +// the same monotonic-clock. +type Instant = uint64 + +// A duration of time, in nanoseconds. +type Duration = uint64 + +// Read the current value of the clock. +// +// The clock is monotonic, therefore calling this function repeatedly will +// produce a sequence of non-decreasing values. +func Now(ctx__ context.Context, wrpc__ wrpc.Invoker) (r0__ uint64, err__ error) { + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:clocks/monotonic-clock@0.2.0", "now", nil) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `now`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:clocks/monotonic-clock@0.2.0", "name", "now", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:clocks/monotonic-clock@0.2.0", "name", "now", "err", cErr__) + } + r0__, err__ = func() (Instant, error) { + v, err := func(r io.ByteReader) (uint64, error) { + var x uint64 + var s uint8 + for i := 0; i < 10; i++ { + slog.Debug("reading u64 byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u64 byte: %w", err) + } + if s == 63 && b > 0x01 { + return x, errors.New("varint overflows a 64-bit integer") + } + if b < 0x80 { + return x | uint64(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u64 byte: %w", err) + } + if s == 63 && b > 0x01 { + return x, errors.New("varint overflows a 64-bit integer") + } + if b < 0x80 { + return x | uint64(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(payload, w) + if err != nil { + return nil, fmt.Errorf("failed to write payload: %w", err) + } + + if write != nil { + return func(w wrpc.IndexWriter) error { + w, err := w.Index(9) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + return write(w) + }, nil + } + default: + return nil, errors.New("invalid variant") + } + return nil, nil +} + +// This type corresponds to HTTP standard Related Schemes. +type Scheme struct { + payload any + discriminant SchemeDiscriminant +} + +func (v *Scheme) Discriminant() SchemeDiscriminant { return v.discriminant } + +type SchemeDiscriminant uint8 + +const ( + SchemeHttp SchemeDiscriminant = 0 + SchemeHttps SchemeDiscriminant = 1 + SchemeOther SchemeDiscriminant = 2 +) + +func (v *Scheme) String() string { + switch v.discriminant { + case SchemeHttp: + return "HTTP" + case SchemeHttps: + return "HTTPS" + case SchemeOther: + return "other" + default: + panic("invalid variant") + } +} +func (v *Scheme) GetHttp() (ok bool) { + if ok = (v.discriminant == SchemeHttp); !ok { + return + } + return +} +func (v *Scheme) SetHttp() *Scheme { + v.discriminant = SchemeHttp + v.payload = nil + return v +} +func NewSchemeHttp() *Scheme { + return (&Scheme{}).SetHttp() +} +func (v *Scheme) GetHttps() (ok bool) { + if ok = (v.discriminant == SchemeHttps); !ok { + return + } + return +} +func (v *Scheme) SetHttps() *Scheme { + v.discriminant = SchemeHttps + v.payload = nil + return v +} +func NewSchemeHttps() *Scheme { + return (&Scheme{}).SetHttps() +} +func (v *Scheme) GetOther() (payload string, ok bool) { + if ok = (v.discriminant == SchemeOther); !ok { + return + } + payload, ok = v.payload.(string) + return +} +func (v *Scheme) SetOther(payload string) *Scheme { + v.discriminant = SchemeOther + v.payload = payload + return v +} +func NewSchemeOther(payload string) *Scheme { + return (&Scheme{}).SetOther( + payload) +} +func (v *Scheme) WriteToIndex(w wrpc.ByteWriter) (func(wrpc.IndexWriter) error, error) { + if err := func(v uint8, w io.Writer) error { + b := make([]byte, 2) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing u8 discriminant") + _, err := w.Write(b[:i]) + return err + }(uint8(v.discriminant), w); err != nil { + return nil, fmt.Errorf("failed to write discriminant: %w", err) + } + switch v.discriminant { + case SchemeHttp: + case SchemeHttps: + case SchemeOther: + payload, ok := v.payload.(string) + if !ok { + return nil, errors.New("invalid payload") + } + write, err := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(payload, w) + if err != nil { + return nil, fmt.Errorf("failed to write payload: %w", err) + } + + if write != nil { + return func(w wrpc.IndexWriter) error { + w, err := w.Index(2) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + return write(w) + }, nil + } + default: + return nil, errors.New("invalid variant") + } + return nil, nil +} + +// Defines the case payload type for `DNS-error` above: +type DnsErrorPayload struct { + Rcode *string + InfoCode *uint16 +} + +func (v *DnsErrorPayload) String() string { return "DnsErrorPayload" } + +func (v *DnsErrorPayload) WriteToIndex(w wrpc.ByteWriter) (func(wrpc.IndexWriter) error, error) { + writes := make(map[uint32]func(wrpc.IndexWriter) error, 2) + slog.Debug("writing field", "name", "rcode") + write0, err := func(v *string, w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(*v, w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(v.Rcode, w) + if err != nil { + return nil, fmt.Errorf("failed to write `rcode` field: %w", err) + } + if write0 != nil { + writes[0] = write0 + } + slog.Debug("writing field", "name", "info-code") + write1, err := func(v *uint16, w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := (func(wrpc.IndexWriter) error)(nil), func(v uint16, w io.Writer) (err error) { + b := make([]byte, binary.MaxVarintLen16) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing u16") + _, err = w.Write(b[:i]) + return err + }(*v, w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(v.InfoCode, w) + if err != nil { + return nil, fmt.Errorf("failed to write `info-code` field: %w", err) + } + if write1 != nil { + writes[1] = write1 + } + + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil +} + +// Defines the case payload type for `TLS-alert-received` above: +type TlsAlertReceivedPayload struct { + AlertId *uint8 + AlertMessage *string +} + +func (v *TlsAlertReceivedPayload) String() string { return "TlsAlertReceivedPayload" } + +func (v *TlsAlertReceivedPayload) WriteToIndex(w wrpc.ByteWriter) (func(wrpc.IndexWriter) error, error) { + writes := make(map[uint32]func(wrpc.IndexWriter) error, 2) + slog.Debug("writing field", "name", "alert-id") + write0, err := func(v *uint8, w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := (func(wrpc.IndexWriter) error)(nil), func(v uint8, w io.ByteWriter) error { + slog.Debug("writing u8 byte") + return w.WriteByte(v) + }(*v, w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(v.AlertId, w) + if err != nil { + return nil, fmt.Errorf("failed to write `alert-id` field: %w", err) + } + if write0 != nil { + writes[0] = write0 + } + slog.Debug("writing field", "name", "alert-message") + write1, err := func(v *string, w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(*v, w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(v.AlertMessage, w) + if err != nil { + return nil, fmt.Errorf("failed to write `alert-message` field: %w", err) + } + if write1 != nil { + writes[1] = write1 + } + + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil +} + +// Defines the case payload type for `HTTP-response-{header,trailer}-size` above: +type FieldSizePayload struct { + FieldName *string + FieldSize *uint32 +} + +func (v *FieldSizePayload) String() string { return "FieldSizePayload" } + +func (v *FieldSizePayload) WriteToIndex(w wrpc.ByteWriter) (func(wrpc.IndexWriter) error, error) { + writes := make(map[uint32]func(wrpc.IndexWriter) error, 2) + slog.Debug("writing field", "name", "field-name") + write0, err := func(v *string, w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(*v, w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(v.FieldName, w) + if err != nil { + return nil, fmt.Errorf("failed to write `field-name` field: %w", err) + } + if write0 != nil { + writes[0] = write0 + } + slog.Debug("writing field", "name", "field-size") + write1, err := func(v *uint32, w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := (func(wrpc.IndexWriter) error)(nil), func(v uint32, w io.Writer) (err error) { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing u32") + _, err = w.Write(b[:i]) + return err + }(*v, w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(v.FieldSize, w) + if err != nil { + return nil, fmt.Errorf("failed to write `field-size` field: %w", err) + } + if write1 != nil { + writes[1] = write1 + } + + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil +} + +// These cases are inspired by the IANA HTTP Proxy Error Types: +// https://www.iana.org/assignments/http-proxy-status/http-proxy-status.xhtml#table-http-proxy-error-types +type ErrorCode struct { + payload any + discriminant ErrorCodeDiscriminant +} + +func (v *ErrorCode) Discriminant() ErrorCodeDiscriminant { return v.discriminant } + +type ErrorCodeDiscriminant uint8 + +const ( + ErrorCodeDnsTimeout ErrorCodeDiscriminant = 0 + ErrorCodeDnsError ErrorCodeDiscriminant = 1 + ErrorCodeDestinationNotFound ErrorCodeDiscriminant = 2 + ErrorCodeDestinationUnavailable ErrorCodeDiscriminant = 3 + ErrorCodeDestinationIpProhibited ErrorCodeDiscriminant = 4 + ErrorCodeDestinationIpUnroutable ErrorCodeDiscriminant = 5 + ErrorCodeConnectionRefused ErrorCodeDiscriminant = 6 + ErrorCodeConnectionTerminated ErrorCodeDiscriminant = 7 + ErrorCodeConnectionTimeout ErrorCodeDiscriminant = 8 + ErrorCodeConnectionReadTimeout ErrorCodeDiscriminant = 9 + ErrorCodeConnectionWriteTimeout ErrorCodeDiscriminant = 10 + ErrorCodeConnectionLimitReached ErrorCodeDiscriminant = 11 + ErrorCodeTlsProtocolError ErrorCodeDiscriminant = 12 + ErrorCodeTlsCertificateError ErrorCodeDiscriminant = 13 + ErrorCodeTlsAlertReceived ErrorCodeDiscriminant = 14 + ErrorCodeHttpRequestDenied ErrorCodeDiscriminant = 15 + ErrorCodeHttpRequestLengthRequired ErrorCodeDiscriminant = 16 + ErrorCodeHttpRequestBodySize ErrorCodeDiscriminant = 17 + ErrorCodeHttpRequestMethodInvalid ErrorCodeDiscriminant = 18 + ErrorCodeHttpRequestUriInvalid ErrorCodeDiscriminant = 19 + ErrorCodeHttpRequestUriTooLong ErrorCodeDiscriminant = 20 + ErrorCodeHttpRequestHeaderSectionSize ErrorCodeDiscriminant = 21 + ErrorCodeHttpRequestHeaderSize ErrorCodeDiscriminant = 22 + ErrorCodeHttpRequestTrailerSectionSize ErrorCodeDiscriminant = 23 + ErrorCodeHttpRequestTrailerSize ErrorCodeDiscriminant = 24 + ErrorCodeHttpResponseIncomplete ErrorCodeDiscriminant = 25 + ErrorCodeHttpResponseHeaderSectionSize ErrorCodeDiscriminant = 26 + ErrorCodeHttpResponseHeaderSize ErrorCodeDiscriminant = 27 + ErrorCodeHttpResponseBodySize ErrorCodeDiscriminant = 28 + ErrorCodeHttpResponseTrailerSectionSize ErrorCodeDiscriminant = 29 + ErrorCodeHttpResponseTrailerSize ErrorCodeDiscriminant = 30 + ErrorCodeHttpResponseTransferCoding ErrorCodeDiscriminant = 31 + ErrorCodeHttpResponseContentCoding ErrorCodeDiscriminant = 32 + ErrorCodeHttpResponseTimeout ErrorCodeDiscriminant = 33 + ErrorCodeHttpUpgradeFailed ErrorCodeDiscriminant = 34 + ErrorCodeHttpProtocolError ErrorCodeDiscriminant = 35 + ErrorCodeLoopDetected ErrorCodeDiscriminant = 36 + ErrorCodeConfigurationError ErrorCodeDiscriminant = 37 + // This is a catch-all error for anything that doesn't fit cleanly into a + // more specific case. It also includes an optional string for an + // unstructured description of the error. Users should not depend on the + // string for diagnosing errors, as it's not required to be consistent + // between implementations. + ErrorCodeInternalError ErrorCodeDiscriminant = 38 +) + +func (v *ErrorCode) String() string { + switch v.discriminant { + case ErrorCodeDnsTimeout: + return "DNS-timeout" + case ErrorCodeDnsError: + return "DNS-error" + case ErrorCodeDestinationNotFound: + return "destination-not-found" + case ErrorCodeDestinationUnavailable: + return "destination-unavailable" + case ErrorCodeDestinationIpProhibited: + return "destination-IP-prohibited" + case ErrorCodeDestinationIpUnroutable: + return "destination-IP-unroutable" + case ErrorCodeConnectionRefused: + return "connection-refused" + case ErrorCodeConnectionTerminated: + return "connection-terminated" + case ErrorCodeConnectionTimeout: + return "connection-timeout" + case ErrorCodeConnectionReadTimeout: + return "connection-read-timeout" + case ErrorCodeConnectionWriteTimeout: + return "connection-write-timeout" + case ErrorCodeConnectionLimitReached: + return "connection-limit-reached" + case ErrorCodeTlsProtocolError: + return "TLS-protocol-error" + case ErrorCodeTlsCertificateError: + return "TLS-certificate-error" + case ErrorCodeTlsAlertReceived: + return "TLS-alert-received" + case ErrorCodeHttpRequestDenied: + return "HTTP-request-denied" + case ErrorCodeHttpRequestLengthRequired: + return "HTTP-request-length-required" + case ErrorCodeHttpRequestBodySize: + return "HTTP-request-body-size" + case ErrorCodeHttpRequestMethodInvalid: + return "HTTP-request-method-invalid" + case ErrorCodeHttpRequestUriInvalid: + return "HTTP-request-URI-invalid" + case ErrorCodeHttpRequestUriTooLong: + return "HTTP-request-URI-too-long" + case ErrorCodeHttpRequestHeaderSectionSize: + return "HTTP-request-header-section-size" + case ErrorCodeHttpRequestHeaderSize: + return "HTTP-request-header-size" + case ErrorCodeHttpRequestTrailerSectionSize: + return "HTTP-request-trailer-section-size" + case ErrorCodeHttpRequestTrailerSize: + return "HTTP-request-trailer-size" + case ErrorCodeHttpResponseIncomplete: + return "HTTP-response-incomplete" + case ErrorCodeHttpResponseHeaderSectionSize: + return "HTTP-response-header-section-size" + case ErrorCodeHttpResponseHeaderSize: + return "HTTP-response-header-size" + case ErrorCodeHttpResponseBodySize: + return "HTTP-response-body-size" + case ErrorCodeHttpResponseTrailerSectionSize: + return "HTTP-response-trailer-section-size" + case ErrorCodeHttpResponseTrailerSize: + return "HTTP-response-trailer-size" + case ErrorCodeHttpResponseTransferCoding: + return "HTTP-response-transfer-coding" + case ErrorCodeHttpResponseContentCoding: + return "HTTP-response-content-coding" + case ErrorCodeHttpResponseTimeout: + return "HTTP-response-timeout" + case ErrorCodeHttpUpgradeFailed: + return "HTTP-upgrade-failed" + case ErrorCodeHttpProtocolError: + return "HTTP-protocol-error" + case ErrorCodeLoopDetected: + return "loop-detected" + case ErrorCodeConfigurationError: + return "configuration-error" + case ErrorCodeInternalError: + return "internal-error" + default: + panic("invalid variant") + } +} +func (v *ErrorCode) GetDnsTimeout() (ok bool) { + if ok = (v.discriminant == ErrorCodeDnsTimeout); !ok { + return + } + return +} +func (v *ErrorCode) SetDnsTimeout() *ErrorCode { + v.discriminant = ErrorCodeDnsTimeout + v.payload = nil + return v +} +func NewErrorCodeDnsTimeout() *ErrorCode { + return (&ErrorCode{}).SetDnsTimeout() +} +func (v *ErrorCode) GetDnsError() (payload DnsErrorPayload, ok bool) { + if ok = (v.discriminant == ErrorCodeDnsError); !ok { + return + } + payload, ok = v.payload.(DnsErrorPayload) + return +} +func (v *ErrorCode) SetDnsError(payload *DnsErrorPayload) *ErrorCode { + v.discriminant = ErrorCodeDnsError + v.payload = payload + return v +} +func NewErrorCodeDnsError(payload *DnsErrorPayload) *ErrorCode { + return (&ErrorCode{}).SetDnsError( + payload) +} +func (v *ErrorCode) GetDestinationNotFound() (ok bool) { + if ok = (v.discriminant == ErrorCodeDestinationNotFound); !ok { + return + } + return +} +func (v *ErrorCode) SetDestinationNotFound() *ErrorCode { + v.discriminant = ErrorCodeDestinationNotFound + v.payload = nil + return v +} +func NewErrorCodeDestinationNotFound() *ErrorCode { + return (&ErrorCode{}).SetDestinationNotFound() +} +func (v *ErrorCode) GetDestinationUnavailable() (ok bool) { + if ok = (v.discriminant == ErrorCodeDestinationUnavailable); !ok { + return + } + return +} +func (v *ErrorCode) SetDestinationUnavailable() *ErrorCode { + v.discriminant = ErrorCodeDestinationUnavailable + v.payload = nil + return v +} +func NewErrorCodeDestinationUnavailable() *ErrorCode { + return (&ErrorCode{}).SetDestinationUnavailable() +} +func (v *ErrorCode) GetDestinationIpProhibited() (ok bool) { + if ok = (v.discriminant == ErrorCodeDestinationIpProhibited); !ok { + return + } + return +} +func (v *ErrorCode) SetDestinationIpProhibited() *ErrorCode { + v.discriminant = ErrorCodeDestinationIpProhibited + v.payload = nil + return v +} +func NewErrorCodeDestinationIpProhibited() *ErrorCode { + return (&ErrorCode{}).SetDestinationIpProhibited() +} +func (v *ErrorCode) GetDestinationIpUnroutable() (ok bool) { + if ok = (v.discriminant == ErrorCodeDestinationIpUnroutable); !ok { + return + } + return +} +func (v *ErrorCode) SetDestinationIpUnroutable() *ErrorCode { + v.discriminant = ErrorCodeDestinationIpUnroutable + v.payload = nil + return v +} +func NewErrorCodeDestinationIpUnroutable() *ErrorCode { + return (&ErrorCode{}).SetDestinationIpUnroutable() +} +func (v *ErrorCode) GetConnectionRefused() (ok bool) { + if ok = (v.discriminant == ErrorCodeConnectionRefused); !ok { + return + } + return +} +func (v *ErrorCode) SetConnectionRefused() *ErrorCode { + v.discriminant = ErrorCodeConnectionRefused + v.payload = nil + return v +} +func NewErrorCodeConnectionRefused() *ErrorCode { + return (&ErrorCode{}).SetConnectionRefused() +} +func (v *ErrorCode) GetConnectionTerminated() (ok bool) { + if ok = (v.discriminant == ErrorCodeConnectionTerminated); !ok { + return + } + return +} +func (v *ErrorCode) SetConnectionTerminated() *ErrorCode { + v.discriminant = ErrorCodeConnectionTerminated + v.payload = nil + return v +} +func NewErrorCodeConnectionTerminated() *ErrorCode { + return (&ErrorCode{}).SetConnectionTerminated() +} +func (v *ErrorCode) GetConnectionTimeout() (ok bool) { + if ok = (v.discriminant == ErrorCodeConnectionTimeout); !ok { + return + } + return +} +func (v *ErrorCode) SetConnectionTimeout() *ErrorCode { + v.discriminant = ErrorCodeConnectionTimeout + v.payload = nil + return v +} +func NewErrorCodeConnectionTimeout() *ErrorCode { + return (&ErrorCode{}).SetConnectionTimeout() +} +func (v *ErrorCode) GetConnectionReadTimeout() (ok bool) { + if ok = (v.discriminant == ErrorCodeConnectionReadTimeout); !ok { + return + } + return +} +func (v *ErrorCode) SetConnectionReadTimeout() *ErrorCode { + v.discriminant = ErrorCodeConnectionReadTimeout + v.payload = nil + return v +} +func NewErrorCodeConnectionReadTimeout() *ErrorCode { + return (&ErrorCode{}).SetConnectionReadTimeout() +} +func (v *ErrorCode) GetConnectionWriteTimeout() (ok bool) { + if ok = (v.discriminant == ErrorCodeConnectionWriteTimeout); !ok { + return + } + return +} +func (v *ErrorCode) SetConnectionWriteTimeout() *ErrorCode { + v.discriminant = ErrorCodeConnectionWriteTimeout + v.payload = nil + return v +} +func NewErrorCodeConnectionWriteTimeout() *ErrorCode { + return (&ErrorCode{}).SetConnectionWriteTimeout() +} +func (v *ErrorCode) GetConnectionLimitReached() (ok bool) { + if ok = (v.discriminant == ErrorCodeConnectionLimitReached); !ok { + return + } + return +} +func (v *ErrorCode) SetConnectionLimitReached() *ErrorCode { + v.discriminant = ErrorCodeConnectionLimitReached + v.payload = nil + return v +} +func NewErrorCodeConnectionLimitReached() *ErrorCode { + return (&ErrorCode{}).SetConnectionLimitReached() +} +func (v *ErrorCode) GetTlsProtocolError() (ok bool) { + if ok = (v.discriminant == ErrorCodeTlsProtocolError); !ok { + return + } + return +} +func (v *ErrorCode) SetTlsProtocolError() *ErrorCode { + v.discriminant = ErrorCodeTlsProtocolError + v.payload = nil + return v +} +func NewErrorCodeTlsProtocolError() *ErrorCode { + return (&ErrorCode{}).SetTlsProtocolError() +} +func (v *ErrorCode) GetTlsCertificateError() (ok bool) { + if ok = (v.discriminant == ErrorCodeTlsCertificateError); !ok { + return + } + return +} +func (v *ErrorCode) SetTlsCertificateError() *ErrorCode { + v.discriminant = ErrorCodeTlsCertificateError + v.payload = nil + return v +} +func NewErrorCodeTlsCertificateError() *ErrorCode { + return (&ErrorCode{}).SetTlsCertificateError() +} +func (v *ErrorCode) GetTlsAlertReceived() (payload TlsAlertReceivedPayload, ok bool) { + if ok = (v.discriminant == ErrorCodeTlsAlertReceived); !ok { + return + } + payload, ok = v.payload.(TlsAlertReceivedPayload) + return +} +func (v *ErrorCode) SetTlsAlertReceived(payload *TlsAlertReceivedPayload) *ErrorCode { + v.discriminant = ErrorCodeTlsAlertReceived + v.payload = payload + return v +} +func NewErrorCodeTlsAlertReceived(payload *TlsAlertReceivedPayload) *ErrorCode { + return (&ErrorCode{}).SetTlsAlertReceived( + payload) +} +func (v *ErrorCode) GetHttpRequestDenied() (ok bool) { + if ok = (v.discriminant == ErrorCodeHttpRequestDenied); !ok { + return + } + return +} +func (v *ErrorCode) SetHttpRequestDenied() *ErrorCode { + v.discriminant = ErrorCodeHttpRequestDenied + v.payload = nil + return v +} +func NewErrorCodeHttpRequestDenied() *ErrorCode { + return (&ErrorCode{}).SetHttpRequestDenied() +} +func (v *ErrorCode) GetHttpRequestLengthRequired() (ok bool) { + if ok = (v.discriminant == ErrorCodeHttpRequestLengthRequired); !ok { + return + } + return +} +func (v *ErrorCode) SetHttpRequestLengthRequired() *ErrorCode { + v.discriminant = ErrorCodeHttpRequestLengthRequired + v.payload = nil + return v +} +func NewErrorCodeHttpRequestLengthRequired() *ErrorCode { + return (&ErrorCode{}).SetHttpRequestLengthRequired() +} +func (v *ErrorCode) GetHttpRequestBodySize() (payload *uint64, ok bool) { + if ok = (v.discriminant == ErrorCodeHttpRequestBodySize); !ok { + return + } + payload, ok = v.payload.(*uint64) + return +} +func (v *ErrorCode) SetHttpRequestBodySize(payload *uint64) *ErrorCode { + v.discriminant = ErrorCodeHttpRequestBodySize + v.payload = payload + return v +} +func NewErrorCodeHttpRequestBodySize(payload *uint64) *ErrorCode { + return (&ErrorCode{}).SetHttpRequestBodySize( + payload) +} +func (v *ErrorCode) GetHttpRequestMethodInvalid() (ok bool) { + if ok = (v.discriminant == ErrorCodeHttpRequestMethodInvalid); !ok { + return + } + return +} +func (v *ErrorCode) SetHttpRequestMethodInvalid() *ErrorCode { + v.discriminant = ErrorCodeHttpRequestMethodInvalid + v.payload = nil + return v +} +func NewErrorCodeHttpRequestMethodInvalid() *ErrorCode { + return (&ErrorCode{}).SetHttpRequestMethodInvalid() +} +func (v *ErrorCode) GetHttpRequestUriInvalid() (ok bool) { + if ok = (v.discriminant == ErrorCodeHttpRequestUriInvalid); !ok { + return + } + return +} +func (v *ErrorCode) SetHttpRequestUriInvalid() *ErrorCode { + v.discriminant = ErrorCodeHttpRequestUriInvalid + v.payload = nil + return v +} +func NewErrorCodeHttpRequestUriInvalid() *ErrorCode { + return (&ErrorCode{}).SetHttpRequestUriInvalid() +} +func (v *ErrorCode) GetHttpRequestUriTooLong() (ok bool) { + if ok = (v.discriminant == ErrorCodeHttpRequestUriTooLong); !ok { + return + } + return +} +func (v *ErrorCode) SetHttpRequestUriTooLong() *ErrorCode { + v.discriminant = ErrorCodeHttpRequestUriTooLong + v.payload = nil + return v +} +func NewErrorCodeHttpRequestUriTooLong() *ErrorCode { + return (&ErrorCode{}).SetHttpRequestUriTooLong() +} +func (v *ErrorCode) GetHttpRequestHeaderSectionSize() (payload *uint32, ok bool) { + if ok = (v.discriminant == ErrorCodeHttpRequestHeaderSectionSize); !ok { + return + } + payload, ok = v.payload.(*uint32) + return +} +func (v *ErrorCode) SetHttpRequestHeaderSectionSize(payload *uint32) *ErrorCode { + v.discriminant = ErrorCodeHttpRequestHeaderSectionSize + v.payload = payload + return v +} +func NewErrorCodeHttpRequestHeaderSectionSize(payload *uint32) *ErrorCode { + return (&ErrorCode{}).SetHttpRequestHeaderSectionSize( + payload) +} +func (v *ErrorCode) GetHttpRequestHeaderSize() (payload *FieldSizePayload, ok bool) { + if ok = (v.discriminant == ErrorCodeHttpRequestHeaderSize); !ok { + return + } + payload, ok = v.payload.(*FieldSizePayload) + return +} +func (v *ErrorCode) SetHttpRequestHeaderSize(payload *FieldSizePayload) *ErrorCode { + v.discriminant = ErrorCodeHttpRequestHeaderSize + v.payload = payload + return v +} +func NewErrorCodeHttpRequestHeaderSize(payload *FieldSizePayload) *ErrorCode { + return (&ErrorCode{}).SetHttpRequestHeaderSize( + payload) +} +func (v *ErrorCode) GetHttpRequestTrailerSectionSize() (payload *uint32, ok bool) { + if ok = (v.discriminant == ErrorCodeHttpRequestTrailerSectionSize); !ok { + return + } + payload, ok = v.payload.(*uint32) + return +} +func (v *ErrorCode) SetHttpRequestTrailerSectionSize(payload *uint32) *ErrorCode { + v.discriminant = ErrorCodeHttpRequestTrailerSectionSize + v.payload = payload + return v +} +func NewErrorCodeHttpRequestTrailerSectionSize(payload *uint32) *ErrorCode { + return (&ErrorCode{}).SetHttpRequestTrailerSectionSize( + payload) +} +func (v *ErrorCode) GetHttpRequestTrailerSize() (payload FieldSizePayload, ok bool) { + if ok = (v.discriminant == ErrorCodeHttpRequestTrailerSize); !ok { + return + } + payload, ok = v.payload.(FieldSizePayload) + return +} +func (v *ErrorCode) SetHttpRequestTrailerSize(payload *FieldSizePayload) *ErrorCode { + v.discriminant = ErrorCodeHttpRequestTrailerSize + v.payload = payload + return v +} +func NewErrorCodeHttpRequestTrailerSize(payload *FieldSizePayload) *ErrorCode { + return (&ErrorCode{}).SetHttpRequestTrailerSize( + payload) +} +func (v *ErrorCode) GetHttpResponseIncomplete() (ok bool) { + if ok = (v.discriminant == ErrorCodeHttpResponseIncomplete); !ok { + return + } + return +} +func (v *ErrorCode) SetHttpResponseIncomplete() *ErrorCode { + v.discriminant = ErrorCodeHttpResponseIncomplete + v.payload = nil + return v +} +func NewErrorCodeHttpResponseIncomplete() *ErrorCode { + return (&ErrorCode{}).SetHttpResponseIncomplete() +} +func (v *ErrorCode) GetHttpResponseHeaderSectionSize() (payload *uint32, ok bool) { + if ok = (v.discriminant == ErrorCodeHttpResponseHeaderSectionSize); !ok { + return + } + payload, ok = v.payload.(*uint32) + return +} +func (v *ErrorCode) SetHttpResponseHeaderSectionSize(payload *uint32) *ErrorCode { + v.discriminant = ErrorCodeHttpResponseHeaderSectionSize + v.payload = payload + return v +} +func NewErrorCodeHttpResponseHeaderSectionSize(payload *uint32) *ErrorCode { + return (&ErrorCode{}).SetHttpResponseHeaderSectionSize( + payload) +} +func (v *ErrorCode) GetHttpResponseHeaderSize() (payload FieldSizePayload, ok bool) { + if ok = (v.discriminant == ErrorCodeHttpResponseHeaderSize); !ok { + return + } + payload, ok = v.payload.(FieldSizePayload) + return +} +func (v *ErrorCode) SetHttpResponseHeaderSize(payload *FieldSizePayload) *ErrorCode { + v.discriminant = ErrorCodeHttpResponseHeaderSize + v.payload = payload + return v +} +func NewErrorCodeHttpResponseHeaderSize(payload *FieldSizePayload) *ErrorCode { + return (&ErrorCode{}).SetHttpResponseHeaderSize( + payload) +} +func (v *ErrorCode) GetHttpResponseBodySize() (payload *uint64, ok bool) { + if ok = (v.discriminant == ErrorCodeHttpResponseBodySize); !ok { + return + } + payload, ok = v.payload.(*uint64) + return +} +func (v *ErrorCode) SetHttpResponseBodySize(payload *uint64) *ErrorCode { + v.discriminant = ErrorCodeHttpResponseBodySize + v.payload = payload + return v +} +func NewErrorCodeHttpResponseBodySize(payload *uint64) *ErrorCode { + return (&ErrorCode{}).SetHttpResponseBodySize( + payload) +} +func (v *ErrorCode) GetHttpResponseTrailerSectionSize() (payload *uint32, ok bool) { + if ok = (v.discriminant == ErrorCodeHttpResponseTrailerSectionSize); !ok { + return + } + payload, ok = v.payload.(*uint32) + return +} +func (v *ErrorCode) SetHttpResponseTrailerSectionSize(payload *uint32) *ErrorCode { + v.discriminant = ErrorCodeHttpResponseTrailerSectionSize + v.payload = payload + return v +} +func NewErrorCodeHttpResponseTrailerSectionSize(payload *uint32) *ErrorCode { + return (&ErrorCode{}).SetHttpResponseTrailerSectionSize( + payload) +} +func (v *ErrorCode) GetHttpResponseTrailerSize() (payload FieldSizePayload, ok bool) { + if ok = (v.discriminant == ErrorCodeHttpResponseTrailerSize); !ok { + return + } + payload, ok = v.payload.(FieldSizePayload) + return +} +func (v *ErrorCode) SetHttpResponseTrailerSize(payload *FieldSizePayload) *ErrorCode { + v.discriminant = ErrorCodeHttpResponseTrailerSize + v.payload = payload + return v +} +func NewErrorCodeHttpResponseTrailerSize(payload *FieldSizePayload) *ErrorCode { + return (&ErrorCode{}).SetHttpResponseTrailerSize( + payload) +} +func (v *ErrorCode) GetHttpResponseTransferCoding() (payload *string, ok bool) { + if ok = (v.discriminant == ErrorCodeHttpResponseTransferCoding); !ok { + return + } + payload, ok = v.payload.(*string) + return +} +func (v *ErrorCode) SetHttpResponseTransferCoding(payload *string) *ErrorCode { + v.discriminant = ErrorCodeHttpResponseTransferCoding + v.payload = payload + return v +} +func NewErrorCodeHttpResponseTransferCoding(payload *string) *ErrorCode { + return (&ErrorCode{}).SetHttpResponseTransferCoding( + payload) +} +func (v *ErrorCode) GetHttpResponseContentCoding() (payload *string, ok bool) { + if ok = (v.discriminant == ErrorCodeHttpResponseContentCoding); !ok { + return + } + payload, ok = v.payload.(*string) + return +} +func (v *ErrorCode) SetHttpResponseContentCoding(payload *string) *ErrorCode { + v.discriminant = ErrorCodeHttpResponseContentCoding + v.payload = payload + return v +} +func NewErrorCodeHttpResponseContentCoding(payload *string) *ErrorCode { + return (&ErrorCode{}).SetHttpResponseContentCoding( + payload) +} +func (v *ErrorCode) GetHttpResponseTimeout() (ok bool) { + if ok = (v.discriminant == ErrorCodeHttpResponseTimeout); !ok { + return + } + return +} +func (v *ErrorCode) SetHttpResponseTimeout() *ErrorCode { + v.discriminant = ErrorCodeHttpResponseTimeout + v.payload = nil + return v +} +func NewErrorCodeHttpResponseTimeout() *ErrorCode { + return (&ErrorCode{}).SetHttpResponseTimeout() +} +func (v *ErrorCode) GetHttpUpgradeFailed() (ok bool) { + if ok = (v.discriminant == ErrorCodeHttpUpgradeFailed); !ok { + return + } + return +} +func (v *ErrorCode) SetHttpUpgradeFailed() *ErrorCode { + v.discriminant = ErrorCodeHttpUpgradeFailed + v.payload = nil + return v +} +func NewErrorCodeHttpUpgradeFailed() *ErrorCode { + return (&ErrorCode{}).SetHttpUpgradeFailed() +} +func (v *ErrorCode) GetHttpProtocolError() (ok bool) { + if ok = (v.discriminant == ErrorCodeHttpProtocolError); !ok { + return + } + return +} +func (v *ErrorCode) SetHttpProtocolError() *ErrorCode { + v.discriminant = ErrorCodeHttpProtocolError + v.payload = nil + return v +} +func NewErrorCodeHttpProtocolError() *ErrorCode { + return (&ErrorCode{}).SetHttpProtocolError() +} +func (v *ErrorCode) GetLoopDetected() (ok bool) { + if ok = (v.discriminant == ErrorCodeLoopDetected); !ok { + return + } + return +} +func (v *ErrorCode) SetLoopDetected() *ErrorCode { + v.discriminant = ErrorCodeLoopDetected + v.payload = nil + return v +} +func NewErrorCodeLoopDetected() *ErrorCode { + return (&ErrorCode{}).SetLoopDetected() +} +func (v *ErrorCode) GetConfigurationError() (ok bool) { + if ok = (v.discriminant == ErrorCodeConfigurationError); !ok { + return + } + return +} +func (v *ErrorCode) SetConfigurationError() *ErrorCode { + v.discriminant = ErrorCodeConfigurationError + v.payload = nil + return v +} +func NewErrorCodeConfigurationError() *ErrorCode { + return (&ErrorCode{}).SetConfigurationError() +} + +// This is a catch-all error for anything that doesn't fit cleanly into a +// more specific case. It also includes an optional string for an +// unstructured description of the error. Users should not depend on the +// string for diagnosing errors, as it's not required to be consistent +// between implementations. +func (v *ErrorCode) GetInternalError() (payload *string, ok bool) { + if ok = (v.discriminant == ErrorCodeInternalError); !ok { + return + } + payload, ok = v.payload.(*string) + return +} + +// This is a catch-all error for anything that doesn't fit cleanly into a +// more specific case. It also includes an optional string for an +// unstructured description of the error. Users should not depend on the +// string for diagnosing errors, as it's not required to be consistent +// between implementations. +func (v *ErrorCode) SetInternalError(payload *string) *ErrorCode { + v.discriminant = ErrorCodeInternalError + v.payload = payload + return v +} + +// This is a catch-all error for anything that doesn't fit cleanly into a +// more specific case. It also includes an optional string for an +// unstructured description of the error. Users should not depend on the +// string for diagnosing errors, as it's not required to be consistent +// between implementations. +func NewErrorCodeInternalError(payload *string) *ErrorCode { + return (&ErrorCode{}).SetInternalError( + payload) +} +func (v *ErrorCode) Error() string { return v.String() } +func (v *ErrorCode) WriteToIndex(w wrpc.ByteWriter) (func(wrpc.IndexWriter) error, error) { + if err := func(v uint8, w io.Writer) error { + b := make([]byte, 2) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing u8 discriminant") + _, err := w.Write(b[:i]) + return err + }(uint8(v.discriminant), w); err != nil { + return nil, fmt.Errorf("failed to write discriminant: %w", err) + } + switch v.discriminant { + case ErrorCodeDnsTimeout: + case ErrorCodeDnsError: + payload, ok := v.payload.(*DnsErrorPayload) + if !ok { + return nil, errors.New("invalid payload") + } + write, err := (payload).WriteToIndex(w) + if err != nil { + return nil, fmt.Errorf("failed to write payload: %w", err) + } + + if write != nil { + return func(w wrpc.IndexWriter) error { + w, err := w.Index(1) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + return write(w) + }, nil + } + case ErrorCodeDestinationNotFound: + case ErrorCodeDestinationUnavailable: + case ErrorCodeDestinationIpProhibited: + case ErrorCodeDestinationIpUnroutable: + case ErrorCodeConnectionRefused: + case ErrorCodeConnectionTerminated: + case ErrorCodeConnectionTimeout: + case ErrorCodeConnectionReadTimeout: + case ErrorCodeConnectionWriteTimeout: + case ErrorCodeConnectionLimitReached: + case ErrorCodeTlsProtocolError: + case ErrorCodeTlsCertificateError: + case ErrorCodeTlsAlertReceived: + payload, ok := v.payload.(*TlsAlertReceivedPayload) + if !ok { + return nil, errors.New("invalid payload") + } + write, err := (payload).WriteToIndex(w) + if err != nil { + return nil, fmt.Errorf("failed to write payload: %w", err) + } + + if write != nil { + return func(w wrpc.IndexWriter) error { + w, err := w.Index(14) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + return write(w) + }, nil + } + case ErrorCodeHttpRequestDenied: + case ErrorCodeHttpRequestLengthRequired: + case ErrorCodeHttpRequestBodySize: + payload, ok := v.payload.(*uint64) + if !ok { + return nil, errors.New("invalid payload") + } + write, err := func(v *uint64, w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := (func(wrpc.IndexWriter) error)(nil), func(v uint64, w io.Writer) (err error) { + b := make([]byte, binary.MaxVarintLen64) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing u64") + _, err = w.Write(b[:i]) + return err + }(*v, w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(payload, w) + if err != nil { + return nil, fmt.Errorf("failed to write payload: %w", err) + } + + if write != nil { + return func(w wrpc.IndexWriter) error { + w, err := w.Index(17) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + return write(w) + }, nil + } + case ErrorCodeHttpRequestMethodInvalid: + case ErrorCodeHttpRequestUriInvalid: + case ErrorCodeHttpRequestUriTooLong: + case ErrorCodeHttpRequestHeaderSectionSize: + payload, ok := v.payload.(*uint32) + if !ok { + return nil, errors.New("invalid payload") + } + write, err := func(v *uint32, w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := (func(wrpc.IndexWriter) error)(nil), func(v uint32, w io.Writer) (err error) { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing u32") + _, err = w.Write(b[:i]) + return err + }(*v, w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(payload, w) + if err != nil { + return nil, fmt.Errorf("failed to write payload: %w", err) + } + + if write != nil { + return func(w wrpc.IndexWriter) error { + w, err := w.Index(21) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + return write(w) + }, nil + } + case ErrorCodeHttpRequestHeaderSize: + payload, ok := v.payload.(*FieldSizePayload) + if !ok { + return nil, errors.New("invalid payload") + } + write, err := func(v *FieldSizePayload, w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := (v).WriteToIndex(w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(payload, w) + if err != nil { + return nil, fmt.Errorf("failed to write payload: %w", err) + } + + if write != nil { + return func(w wrpc.IndexWriter) error { + w, err := w.Index(22) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + return write(w) + }, nil + } + case ErrorCodeHttpRequestTrailerSectionSize: + payload, ok := v.payload.(*uint32) + if !ok { + return nil, errors.New("invalid payload") + } + write, err := func(v *uint32, w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := (func(wrpc.IndexWriter) error)(nil), func(v uint32, w io.Writer) (err error) { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing u32") + _, err = w.Write(b[:i]) + return err + }(*v, w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(payload, w) + if err != nil { + return nil, fmt.Errorf("failed to write payload: %w", err) + } + + if write != nil { + return func(w wrpc.IndexWriter) error { + w, err := w.Index(23) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + return write(w) + }, nil + } + case ErrorCodeHttpRequestTrailerSize: + payload, ok := v.payload.(*FieldSizePayload) + if !ok { + return nil, errors.New("invalid payload") + } + write, err := (payload).WriteToIndex(w) + if err != nil { + return nil, fmt.Errorf("failed to write payload: %w", err) + } + + if write != nil { + return func(w wrpc.IndexWriter) error { + w, err := w.Index(24) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + return write(w) + }, nil + } + case ErrorCodeHttpResponseIncomplete: + case ErrorCodeHttpResponseHeaderSectionSize: + payload, ok := v.payload.(*uint32) + if !ok { + return nil, errors.New("invalid payload") + } + write, err := func(v *uint32, w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := (func(wrpc.IndexWriter) error)(nil), func(v uint32, w io.Writer) (err error) { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing u32") + _, err = w.Write(b[:i]) + return err + }(*v, w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(payload, w) + if err != nil { + return nil, fmt.Errorf("failed to write payload: %w", err) + } + + if write != nil { + return func(w wrpc.IndexWriter) error { + w, err := w.Index(26) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + return write(w) + }, nil + } + case ErrorCodeHttpResponseHeaderSize: + payload, ok := v.payload.(*FieldSizePayload) + if !ok { + return nil, errors.New("invalid payload") + } + write, err := (payload).WriteToIndex(w) + if err != nil { + return nil, fmt.Errorf("failed to write payload: %w", err) + } + + if write != nil { + return func(w wrpc.IndexWriter) error { + w, err := w.Index(27) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + return write(w) + }, nil + } + case ErrorCodeHttpResponseBodySize: + payload, ok := v.payload.(*uint64) + if !ok { + return nil, errors.New("invalid payload") + } + write, err := func(v *uint64, w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := (func(wrpc.IndexWriter) error)(nil), func(v uint64, w io.Writer) (err error) { + b := make([]byte, binary.MaxVarintLen64) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing u64") + _, err = w.Write(b[:i]) + return err + }(*v, w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(payload, w) + if err != nil { + return nil, fmt.Errorf("failed to write payload: %w", err) + } + + if write != nil { + return func(w wrpc.IndexWriter) error { + w, err := w.Index(28) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + return write(w) + }, nil + } + case ErrorCodeHttpResponseTrailerSectionSize: + payload, ok := v.payload.(*uint32) + if !ok { + return nil, errors.New("invalid payload") + } + write, err := func(v *uint32, w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := (func(wrpc.IndexWriter) error)(nil), func(v uint32, w io.Writer) (err error) { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing u32") + _, err = w.Write(b[:i]) + return err + }(*v, w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(payload, w) + if err != nil { + return nil, fmt.Errorf("failed to write payload: %w", err) + } + + if write != nil { + return func(w wrpc.IndexWriter) error { + w, err := w.Index(29) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + return write(w) + }, nil + } + case ErrorCodeHttpResponseTrailerSize: + payload, ok := v.payload.(*FieldSizePayload) + if !ok { + return nil, errors.New("invalid payload") + } + write, err := (payload).WriteToIndex(w) + if err != nil { + return nil, fmt.Errorf("failed to write payload: %w", err) + } + + if write != nil { + return func(w wrpc.IndexWriter) error { + w, err := w.Index(30) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + return write(w) + }, nil + } + case ErrorCodeHttpResponseTransferCoding: + payload, ok := v.payload.(*string) + if !ok { + return nil, errors.New("invalid payload") + } + write, err := func(v *string, w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(*v, w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(payload, w) + if err != nil { + return nil, fmt.Errorf("failed to write payload: %w", err) + } + + if write != nil { + return func(w wrpc.IndexWriter) error { + w, err := w.Index(31) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + return write(w) + }, nil + } + case ErrorCodeHttpResponseContentCoding: + payload, ok := v.payload.(*string) + if !ok { + return nil, errors.New("invalid payload") + } + write, err := func(v *string, w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(*v, w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(payload, w) + if err != nil { + return nil, fmt.Errorf("failed to write payload: %w", err) + } + + if write != nil { + return func(w wrpc.IndexWriter) error { + w, err := w.Index(32) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + return write(w) + }, nil + } + case ErrorCodeHttpResponseTimeout: + case ErrorCodeHttpUpgradeFailed: + case ErrorCodeHttpProtocolError: + case ErrorCodeLoopDetected: + case ErrorCodeConfigurationError: + case ErrorCodeInternalError: + payload, ok := v.payload.(*string) + if !ok { + return nil, errors.New("invalid payload") + } + write, err := func(v *string, w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(*v, w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(payload, w) + if err != nil { + return nil, fmt.Errorf("failed to write payload: %w", err) + } + + if write != nil { + return func(w wrpc.IndexWriter) error { + w, err := w.Index(38) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + return write(w) + }, nil + } + default: + return nil, errors.New("invalid variant") + } + return nil, nil +} + +// This type enumerates the different kinds of errors that may occur when +// setting or appending to a `fields` resource. +type HeaderError struct { + payload any + discriminant HeaderErrorDiscriminant +} + +func (v *HeaderError) Discriminant() HeaderErrorDiscriminant { return v.discriminant } + +type HeaderErrorDiscriminant uint8 + +const ( + // This error indicates that a `field-key` or `field-value` was + // syntactically invalid when used with an operation that sets headers in a + // `fields`. + HeaderErrorInvalidSyntax HeaderErrorDiscriminant = 0 + // This error indicates that a forbidden `field-key` was used when trying + // to set a header in a `fields`. + HeaderErrorForbidden HeaderErrorDiscriminant = 1 + // This error indicates that the operation on the `fields` was not + // permitted because the fields are immutable. + HeaderErrorImmutable HeaderErrorDiscriminant = 2 +) + +func (v *HeaderError) String() string { + switch v.discriminant { + case HeaderErrorInvalidSyntax: + return "invalid-syntax" + case HeaderErrorForbidden: + return "forbidden" + case HeaderErrorImmutable: + return "immutable" + default: + panic("invalid variant") + } +} + +// This error indicates that a `field-key` or `field-value` was +// syntactically invalid when used with an operation that sets headers in a +// `fields`. +func (v *HeaderError) GetInvalidSyntax() (ok bool) { + if ok = (v.discriminant == HeaderErrorInvalidSyntax); !ok { + return + } + return +} + +// This error indicates that a `field-key` or `field-value` was +// syntactically invalid when used with an operation that sets headers in a +// `fields`. +func (v *HeaderError) SetInvalidSyntax() *HeaderError { + v.discriminant = HeaderErrorInvalidSyntax + v.payload = nil + return v +} + +// This error indicates that a `field-key` or `field-value` was +// syntactically invalid when used with an operation that sets headers in a +// `fields`. +func NewHeaderErrorInvalidSyntax() *HeaderError { + return (&HeaderError{}).SetInvalidSyntax() +} + +// This error indicates that a forbidden `field-key` was used when trying +// to set a header in a `fields`. +func (v *HeaderError) GetForbidden() (ok bool) { + if ok = (v.discriminant == HeaderErrorForbidden); !ok { + return + } + return +} + +// This error indicates that a forbidden `field-key` was used when trying +// to set a header in a `fields`. +func (v *HeaderError) SetForbidden() *HeaderError { + v.discriminant = HeaderErrorForbidden + v.payload = nil + return v +} + +// This error indicates that a forbidden `field-key` was used when trying +// to set a header in a `fields`. +func NewHeaderErrorForbidden() *HeaderError { + return (&HeaderError{}).SetForbidden() +} + +// This error indicates that the operation on the `fields` was not +// permitted because the fields are immutable. +func (v *HeaderError) GetImmutable() (ok bool) { + if ok = (v.discriminant == HeaderErrorImmutable); !ok { + return + } + return +} + +// This error indicates that the operation on the `fields` was not +// permitted because the fields are immutable. +func (v *HeaderError) SetImmutable() *HeaderError { + v.discriminant = HeaderErrorImmutable + v.payload = nil + return v +} + +// This error indicates that the operation on the `fields` was not +// permitted because the fields are immutable. +func NewHeaderErrorImmutable() *HeaderError { + return (&HeaderError{}).SetImmutable() +} +func (v *HeaderError) Error() string { return v.String() } +func (v *HeaderError) WriteToIndex(w wrpc.ByteWriter) (func(wrpc.IndexWriter) error, error) { + if err := func(v uint8, w io.Writer) error { + b := make([]byte, 2) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing u8 discriminant") + _, err := w.Write(b[:i]) + return err + }(uint8(v.discriminant), w); err != nil { + return nil, fmt.Errorf("failed to write discriminant: %w", err) + } + switch v.discriminant { + case HeaderErrorInvalidSyntax: + case HeaderErrorForbidden: + case HeaderErrorImmutable: + default: + return nil, errors.New("invalid variant") + } + return nil, nil +} + +// Field keys are always strings. +type FieldKey = string + +// Field values should always be ASCII strings. However, in +// reality, HTTP implementations often have to interpret malformed values, +// so they are provided as a list of bytes. +type FieldValue = []uint8 + +// This following block defines the `fields` resource which corresponds to +// HTTP standard Fields. Fields are a common representation used for both +// Headers and Trailers. +// +// A `fields` may be mutable or immutable. A `fields` created using the +// constructor, `from-list`, or `clone` will be mutable, but a `fields` +// resource given by other means (including, but not limited to, +// `incoming-request.headers`, `outgoing-request.headers`) might be be +// immutable. In an immutable fields, the `set`, `append`, and `delete` +// operations will fail with `header-error.immutable`. +type Fields interface{} + +// Headers is an alias for Fields. +type Headers = Fields + +// Trailers is an alias for Fields. +type Trailers = Fields + +// Represents an incoming HTTP Request. +type IncomingRequest interface{} + +// Represents an outgoing HTTP Request. +type OutgoingRequest interface{} + +// Parameters for making an HTTP Request. Each of these parameters is +// currently an optional timeout applicable to the transport layer of the +// HTTP protocol. +// +// These timeouts are separate from any the user may use to bound a +// blocking call to `wasi:io/poll.poll`. +type RequestOptions interface{} + +// Represents the ability to send an HTTP Response. +// +// This resource is used by the `wasi:http/incoming-handler` interface to +// allow a Response to be sent corresponding to the Request provided as the +// other argument to `incoming-handler.handle`. +type ResponseOutparam interface{} + +// This type corresponds to the HTTP standard Status Code. +type StatusCode = uint16 + +// Represents an incoming HTTP Response. +type IncomingResponse interface{} + +// Represents an incoming HTTP Request or Response's Body. +// +// A body has both its contents - a stream of bytes - and a (possibly +// empty) set of trailers, indicating that the full contents of the +// body have been received. This resource represents the contents as +// an `input-stream` and the delivery of trailers as a `future-trailers`, +// and ensures that the user of this interface may only be consuming either +// the body contents or waiting on trailers at any given time. +type IncomingBody interface{} + +// Represents a future which may eventaully return trailers, or an error. +// +// In the case that the incoming HTTP Request or Response did not have any +// trailers, this future will resolve to the empty set of trailers once the +// complete Request or Response body has been received. +type FutureTrailers interface{} + +// Represents an outgoing HTTP Response. +type OutgoingResponse interface{} + +// Represents an outgoing HTTP Request or Response's Body. +// +// A body has both its contents - a stream of bytes - and a (possibly +// empty) set of trailers, inducating the full contents of the body +// have been sent. This resource represents the contents as an +// `output-stream` child resource, and the completion of the body (with +// optional trailers) with a static function that consumes the +// `outgoing-body` resource, and ensures that the user of this interface +// may not write to the body contents after the body has been finished. +// +// If the user code drops this resource, as opposed to calling the static +// method `finish`, the implementation should treat the body as incomplete, +// and that an error has occured. The implementation should propogate this +// error to the HTTP protocol by whatever means it has available, +// including: corrupting the body on the wire, aborting the associated +// Request, or sending a late status code for the Response. +type OutgoingBody interface{} + +// Represents a future which may eventaully return an incoming HTTP +// Response, or an error. +// +// This resource is returned by the `wasi:http/outgoing-handler` interface to +// provide the HTTP Response corresponding to the sent Request. +type FutureIncomingResponse interface{} + +// Attempts to extract a http-related `error` from the wasi:io `error` +// provided. +// +// Stream operations which return +// `wasi:io/stream/stream-error::last-operation-failed` have a payload of +// type `wasi:io/error/error` with more information about the operation +// that failed. This payload can be passed through to this function to see +// if there's http-related information about the error to return. +// +// Note that this function is fallible because not all io-errors are +// http-related errors. +func HttpErrorCode(ctx__ context.Context, wrpc__ wrpc.Invoker, err wrpc.Borrow[IoError]) (r0__ *ErrorCode, err__ error) { + var buf__ bytes.Buffer + write0__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(err), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `err` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `err` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "http-error-code", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `http-error-code`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "http-error-code", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "http-error-code", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*ErrorCode, error) { + slog.Debug("reading option status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read option status byte: %w", err) + } + switch status { + case 0: + return nil, nil + case 1: + slog.Debug("reading `option::some` payload") + v, err := func(r wrpc.IndexReader, path ...uint32) (*ErrorCode, error) { + v := &ErrorCode{} + n, err := func(r io.ByteReader) (uint8, error) { + var x uint8 + var s uint + for i := 0; i < 2; i++ { + slog.Debug("reading u8 discriminant byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u8 discriminant byte: %w", err) + } + if s == 7 && b > 0x01 { + return x, errors.New("discriminant overflows an 8-bit integer") + } + if b < 0x80 { + return x | uint8(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u16 byte: %w", err) + } + if s == 14 && b > 0x03 { + return x, errors.New("varint overflows a 16-bit integer") + } + if b < 0x80 { + return x | uint16(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u64 byte: %w", err) + } + if s == 63 && b > 0x01 { + return x, errors.New("varint overflows a 64-bit integer") + } + if b < 0x80 { + return x | uint64(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u64 byte: %w", err) + } + if s == 63 && b > 0x01 { + return x, errors.New("varint overflows a 64-bit integer") + } + if b < 0x80 { + return x | uint64(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return nil, fmt.Errorf("list length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing list length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return nil, fmt.Errorf("failed to write list length of %d: %w", n, err) + } + slog.Debug("writing list elements") + writes := make(map[uint32]func(wrpc.IndexWriter) error, n) + for i, e := range v { + write, err := func(v *wrpc.Tuple2[string, []uint8], w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + writes := make(map[uint32]func(wrpc.IndexWriter) error, 2) + slog.Debug("writing tuple element 0") + write0, err := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(v.V0, w) + if err != nil { + return nil, fmt.Errorf("failed to write tuple element 0: %w", err) + } + if write0 != nil { + writes[0] = write0 + } + slog.Debug("writing tuple element 1") + write1, err := func(v []uint8, w interface { + io.ByteWriter + io.Writer + }) (write func(wrpc.IndexWriter) error, err error) { + n := len(v) + if n > math.MaxUint32 { + return nil, fmt.Errorf("list length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing list length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return nil, fmt.Errorf("failed to write list length of %d: %w", n, err) + } + slog.Debug("writing list elements") + writes := make(map[uint32]func(wrpc.IndexWriter) error, n) + for i, e := range v { + write, err := (func(wrpc.IndexWriter) error)(nil), func(v uint8, w io.ByteWriter) error { + slog.Debug("writing u8 byte") + return w.WriteByte(v) + }(e, w) + if err != nil { + return nil, fmt.Errorf("failed to write list element %d: %w", i, err) + } + if write != nil { + writes[uint32(i)] = write + } + } + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil + }(v.V1, w) + if err != nil { + return nil, fmt.Errorf("failed to write tuple element 1: %w", err) + } + if write1 != nil { + writes[1] = write1 + } + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil + }(e, w) + if err != nil { + return nil, fmt.Errorf("failed to write list element %d: %w", i, err) + } + if write != nil { + writes[uint32(i)] = write + } + } + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil + }(entries, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `entries` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `entries` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "fields.from-list", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[static]fields.from-list`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[static]fields.from-list", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[static]fields.from-list", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[wrpc.Own[Fields], HeaderError], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + slog.Debug("reading `result::ok` payload") + v, err := func(r interface { + io.ByteReader + io.Reader + }) (wrpc.Own[Fields], error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading owned resource ID length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u8 discriminant byte: %w", err) + } + if s == 7 && b > 0x01 { + return x, errors.New("discriminant overflows an 8-bit integer") + } + if b < 0x80 { + return x | uint8(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + write1__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(name, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `name` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + if write1__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `name` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "fields.get", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]fields.get`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]fields.get", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]fields.get", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) ([][]uint8, error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading list length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return nil, fmt.Errorf("failed to read list length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return nil, errors.New("list length overflows a 32-bit integer") + } + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return nil, fmt.Errorf("failed to read byte list length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return nil, errors.New("byte list length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + write1__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(name, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `name` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + if write1__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `name` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "fields.has", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]fields.has`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]fields.has", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]fields.has", "err", cErr__) + } + r0__, err__ = func(r io.ByteReader) (bool, error) { + slog.Debug("reading bool byte") + v, err := r.ReadByte() + if err != nil { + slog.Debug("reading bool", "value", false) + return false, fmt.Errorf("failed to read bool byte: %w", err) + } + switch v { + case 0: + return false, nil + case 1: + return true, nil + default: + return false, fmt.Errorf("invalid bool value %d", v) + } + }(r__) + if err__ != nil { + err__ = fmt.Errorf("failed to read result 0: %w", err__) + return + } + return +} + +// Set all of the values for a key. Clears any existing values for that +// key, if they have been set. +// +// Fails with `header-error.immutable` if the `fields` are immutable. +func Fields_Set(ctx__ context.Context, wrpc__ wrpc.Invoker, self wrpc.Borrow[Fields], name string, value [][]uint8) (r0__ *wrpc.Result[struct{}, HeaderError], err__ error) { + var buf__ bytes.Buffer + write0__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + write1__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(name, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `name` parameter: %w", err__) + return + } + write2__, err__ := func(v [][]uint8, w interface { + io.ByteWriter + io.Writer + }) (write func(wrpc.IndexWriter) error, err error) { + n := len(v) + if n > math.MaxUint32 { + return nil, fmt.Errorf("list length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing list length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return nil, fmt.Errorf("failed to write list length of %d: %w", n, err) + } + slog.Debug("writing list elements") + writes := make(map[uint32]func(wrpc.IndexWriter) error, n) + for i, e := range v { + write, err := func(v []uint8, w interface { + io.ByteWriter + io.Writer + }) (write func(wrpc.IndexWriter) error, err error) { + n := len(v) + if n > math.MaxUint32 { + return nil, fmt.Errorf("list length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing list length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return nil, fmt.Errorf("failed to write list length of %d: %w", n, err) + } + slog.Debug("writing list elements") + writes := make(map[uint32]func(wrpc.IndexWriter) error, n) + for i, e := range v { + write, err := (func(wrpc.IndexWriter) error)(nil), func(v uint8, w io.ByteWriter) error { + slog.Debug("writing u8 byte") + return w.WriteByte(v) + }(e, w) + if err != nil { + return nil, fmt.Errorf("failed to write list element %d: %w", i, err) + } + if write != nil { + writes[uint32(i)] = write + } + } + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil + }(e, w) + if err != nil { + return nil, fmt.Errorf("failed to write list element %d: %w", i, err) + } + if write != nil { + writes[uint32(i)] = write + } + } + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil + }(value, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `value` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + if write1__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `name` parameter") + return + } + if write2__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `value` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "fields.set", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]fields.set`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]fields.set", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]fields.set", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[struct{}, HeaderError], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + var v struct{} + return &wrpc.Result[struct{}, HeaderError]{Ok: &v}, nil + case 1: + slog.Debug("reading `result::err` payload") + v, err := func(r wrpc.IndexReader, path ...uint32) (*HeaderError, error) { + v := &HeaderError{} + n, err := func(r io.ByteReader) (uint8, error) { + var x uint8 + var s uint + for i := 0; i < 2; i++ { + slog.Debug("reading u8 discriminant byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u8 discriminant byte: %w", err) + } + if s == 7 && b > 0x01 { + return x, errors.New("discriminant overflows an 8-bit integer") + } + if b < 0x80 { + return x | uint8(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + write1__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(name, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `name` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + if write1__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `name` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "fields.delete", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]fields.delete`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]fields.delete", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]fields.delete", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[struct{}, HeaderError], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + var v struct{} + return &wrpc.Result[struct{}, HeaderError]{Ok: &v}, nil + case 1: + slog.Debug("reading `result::err` payload") + v, err := func(r wrpc.IndexReader, path ...uint32) (*HeaderError, error) { + v := &HeaderError{} + n, err := func(r io.ByteReader) (uint8, error) { + var x uint8 + var s uint + for i := 0; i < 2; i++ { + slog.Debug("reading u8 discriminant byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u8 discriminant byte: %w", err) + } + if s == 7 && b > 0x01 { + return x, errors.New("discriminant overflows an 8-bit integer") + } + if b < 0x80 { + return x | uint8(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + write1__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(name, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `name` parameter: %w", err__) + return + } + write2__, err__ := func(v []uint8, w interface { + io.ByteWriter + io.Writer + }) (write func(wrpc.IndexWriter) error, err error) { + n := len(v) + if n > math.MaxUint32 { + return nil, fmt.Errorf("list length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing list length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return nil, fmt.Errorf("failed to write list length of %d: %w", n, err) + } + slog.Debug("writing list elements") + writes := make(map[uint32]func(wrpc.IndexWriter) error, n) + for i, e := range v { + write, err := (func(wrpc.IndexWriter) error)(nil), func(v uint8, w io.ByteWriter) error { + slog.Debug("writing u8 byte") + return w.WriteByte(v) + }(e, w) + if err != nil { + return nil, fmt.Errorf("failed to write list element %d: %w", i, err) + } + if write != nil { + writes[uint32(i)] = write + } + } + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil + }(value, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `value` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + if write1__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `name` parameter") + return + } + if write2__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `value` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "fields.append", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]fields.append`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]fields.append", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]fields.append", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[struct{}, HeaderError], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + var v struct{} + return &wrpc.Result[struct{}, HeaderError]{Ok: &v}, nil + case 1: + slog.Debug("reading `result::err` payload") + v, err := func(r wrpc.IndexReader, path ...uint32) (*HeaderError, error) { + v := &HeaderError{} + n, err := func(r io.ByteReader) (uint8, error) { + var x uint8 + var s uint + for i := 0; i < 2; i++ { + slog.Debug("reading u8 discriminant byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u8 discriminant byte: %w", err) + } + if s == 7 && b > 0x01 { + return x, errors.New("discriminant overflows an 8-bit integer") + } + if b < 0x80 { + return x | uint8(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "fields.entries", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]fields.entries`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]fields.entries", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]fields.entries", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) ([]*wrpc.Tuple2[string, []uint8], error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading list length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return nil, fmt.Errorf("failed to read list length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return nil, errors.New("list length overflows a 32-bit integer") + } + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return nil, fmt.Errorf("failed to read byte list length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return nil, errors.New("byte list length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "fields.clone", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]fields.clone`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]fields.clone", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]fields.clone", "err", cErr__) + } + r0__, err__ = func(r interface { + io.ByteReader + io.Reader + }) (wrpc.Own[Fields], error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading owned resource ID length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "incoming-request.method", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]incoming-request.method`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]incoming-request.method", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]incoming-request.method", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*Method, error) { + v := &Method{} + n, err := func(r io.ByteReader) (uint8, error) { + var x uint8 + var s uint + for i := 0; i < 2; i++ { + slog.Debug("reading u8 discriminant byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u8 discriminant byte: %w", err) + } + if s == 7 && b > 0x01 { + return x, errors.New("discriminant overflows an 8-bit integer") + } + if b < 0x80 { + return x | uint8(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "incoming-request.path-with-query", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]incoming-request.path-with-query`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]incoming-request.path-with-query", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]incoming-request.path-with-query", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*string, error) { + slog.Debug("reading option status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read option status byte: %w", err) + } + switch status { + case 0: + return nil, nil + case 1: + slog.Debug("reading `option::some` payload") + v, err := func(r interface { + io.ByteReader + io.Reader + }) (string, error) { + var x uint32 + var s uint8 + for i := 0; i < 5; i++ { + slog.Debug("reading string length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "incoming-request.scheme", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]incoming-request.scheme`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]incoming-request.scheme", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]incoming-request.scheme", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*Scheme, error) { + slog.Debug("reading option status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read option status byte: %w", err) + } + switch status { + case 0: + return nil, nil + case 1: + slog.Debug("reading `option::some` payload") + v, err := func(r wrpc.IndexReader, path ...uint32) (*Scheme, error) { + v := &Scheme{} + n, err := func(r io.ByteReader) (uint8, error) { + var x uint8 + var s uint + for i := 0; i < 2; i++ { + slog.Debug("reading u8 discriminant byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u8 discriminant byte: %w", err) + } + if s == 7 && b > 0x01 { + return x, errors.New("discriminant overflows an 8-bit integer") + } + if b < 0x80 { + return x | uint8(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "incoming-request.authority", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]incoming-request.authority`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]incoming-request.authority", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]incoming-request.authority", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*string, error) { + slog.Debug("reading option status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read option status byte: %w", err) + } + switch status { + case 0: + return nil, nil + case 1: + slog.Debug("reading `option::some` payload") + v, err := func(r interface { + io.ByteReader + io.Reader + }) (string, error) { + var x uint32 + var s uint8 + for i := 0; i < 5; i++ { + slog.Debug("reading string length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "incoming-request.headers", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]incoming-request.headers`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]incoming-request.headers", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]incoming-request.headers", "err", cErr__) + } + r0__, err__ = func(r interface { + io.ByteReader + io.Reader + }) (wrpc.Own[Headers], error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading owned resource ID length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "incoming-request.consume", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]incoming-request.consume`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]incoming-request.consume", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]incoming-request.consume", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[wrpc.Own[IncomingBody], struct{}], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + slog.Debug("reading `result::ok` payload") + v, err := func(r interface { + io.ByteReader + io.Reader + }) (wrpc.Own[IncomingBody], error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading owned resource ID length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(headers), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `headers` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `headers` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "outgoing-request", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[constructor]outgoing-request`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[constructor]outgoing-request", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[constructor]outgoing-request", "err", cErr__) + } + r0__, err__ = func(r interface { + io.ByteReader + io.Reader + }) (wrpc.Own[OutgoingRequest], error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading owned resource ID length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "outgoing-request.body", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]outgoing-request.body`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-request.body", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-request.body", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[wrpc.Own[OutgoingBody], struct{}], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + slog.Debug("reading `result::ok` payload") + v, err := func(r interface { + io.ByteReader + io.Reader + }) (wrpc.Own[OutgoingBody], error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading owned resource ID length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "outgoing-request.method", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]outgoing-request.method`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-request.method", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-request.method", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*Method, error) { + v := &Method{} + n, err := func(r io.ByteReader) (uint8, error) { + var x uint8 + var s uint + for i := 0; i < 2; i++ { + slog.Debug("reading u8 discriminant byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u8 discriminant byte: %w", err) + } + if s == 7 && b > 0x01 { + return x, errors.New("discriminant overflows an 8-bit integer") + } + if b < 0x80 { + return x | uint8(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + write1__, err__ := (method).WriteToIndex(&buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `method` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + if write1__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `method` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "outgoing-request.set-method", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]outgoing-request.set-method`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-request.set-method", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-request.set-method", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[struct{}, struct{}], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + var v struct{} + return &wrpc.Result[struct{}, struct{}]{Ok: &v}, nil + case 1: + var v struct{} + return &wrpc.Result[struct{}, struct{}]{Err: &v}, nil + default: + return nil, fmt.Errorf("invalid result status byte %d", status) + } + }(r__, []uint32{0}...) + if err__ != nil { + err__ = fmt.Errorf("failed to read result 0: %w", err__) + return + } + return +} + +// Get the combination of the HTTP Path and Query for the Request. +// When `none`, this represents an empty Path and empty Query. +func OutgoingRequest_PathWithQuery(ctx__ context.Context, wrpc__ wrpc.Invoker, self wrpc.Borrow[OutgoingRequest]) (r0__ *string, err__ error) { + var buf__ bytes.Buffer + write0__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "outgoing-request.path-with-query", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]outgoing-request.path-with-query`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-request.path-with-query", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-request.path-with-query", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*string, error) { + slog.Debug("reading option status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read option status byte: %w", err) + } + switch status { + case 0: + return nil, nil + case 1: + slog.Debug("reading `option::some` payload") + v, err := func(r interface { + io.ByteReader + io.Reader + }) (string, error) { + var x uint32 + var s uint8 + for i := 0; i < 5; i++ { + slog.Debug("reading string length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + write1__, err__ := func(v *string, w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(*v, w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(pathWithQuery, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `path-with-query` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + if write1__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `path-with-query` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "outgoing-request.set-path-with-query", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]outgoing-request.set-path-with-query`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-request.set-path-with-query", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-request.set-path-with-query", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[struct{}, struct{}], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + var v struct{} + return &wrpc.Result[struct{}, struct{}]{Ok: &v}, nil + case 1: + var v struct{} + return &wrpc.Result[struct{}, struct{}]{Err: &v}, nil + default: + return nil, fmt.Errorf("invalid result status byte %d", status) + } + }(r__, []uint32{0}...) + if err__ != nil { + err__ = fmt.Errorf("failed to read result 0: %w", err__) + return + } + return +} + +// Get the HTTP Related Scheme for the Request. When `none`, the +// implementation may choose an appropriate default scheme. +func OutgoingRequest_Scheme(ctx__ context.Context, wrpc__ wrpc.Invoker, self wrpc.Borrow[OutgoingRequest]) (r0__ *Scheme, err__ error) { + var buf__ bytes.Buffer + write0__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "outgoing-request.scheme", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]outgoing-request.scheme`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-request.scheme", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-request.scheme", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*Scheme, error) { + slog.Debug("reading option status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read option status byte: %w", err) + } + switch status { + case 0: + return nil, nil + case 1: + slog.Debug("reading `option::some` payload") + v, err := func(r wrpc.IndexReader, path ...uint32) (*Scheme, error) { + v := &Scheme{} + n, err := func(r io.ByteReader) (uint8, error) { + var x uint8 + var s uint + for i := 0; i < 2; i++ { + slog.Debug("reading u8 discriminant byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u8 discriminant byte: %w", err) + } + if s == 7 && b > 0x01 { + return x, errors.New("discriminant overflows an 8-bit integer") + } + if b < 0x80 { + return x | uint8(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + write1__, err__ := func(v *Scheme, w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := (v).WriteToIndex(w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(scheme, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `scheme` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + if write1__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `scheme` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "outgoing-request.set-scheme", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]outgoing-request.set-scheme`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-request.set-scheme", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-request.set-scheme", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[struct{}, struct{}], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + var v struct{} + return &wrpc.Result[struct{}, struct{}]{Ok: &v}, nil + case 1: + var v struct{} + return &wrpc.Result[struct{}, struct{}]{Err: &v}, nil + default: + return nil, fmt.Errorf("invalid result status byte %d", status) + } + }(r__, []uint32{0}...) + if err__ != nil { + err__ = fmt.Errorf("failed to read result 0: %w", err__) + return + } + return +} + +// Get the HTTP Authority for the Request. A value of `none` may be used +// with Related Schemes which do not require an Authority. The HTTP and +// HTTPS schemes always require an authority. +func OutgoingRequest_Authority(ctx__ context.Context, wrpc__ wrpc.Invoker, self wrpc.Borrow[OutgoingRequest]) (r0__ *string, err__ error) { + var buf__ bytes.Buffer + write0__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "outgoing-request.authority", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]outgoing-request.authority`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-request.authority", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-request.authority", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*string, error) { + slog.Debug("reading option status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read option status byte: %w", err) + } + switch status { + case 0: + return nil, nil + case 1: + slog.Debug("reading `option::some` payload") + v, err := func(r interface { + io.ByteReader + io.Reader + }) (string, error) { + var x uint32 + var s uint8 + for i := 0; i < 5; i++ { + slog.Debug("reading string length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + write1__, err__ := func(v *string, w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(*v, w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(authority, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `authority` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + if write1__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `authority` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "outgoing-request.set-authority", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]outgoing-request.set-authority`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-request.set-authority", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-request.set-authority", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[struct{}, struct{}], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + var v struct{} + return &wrpc.Result[struct{}, struct{}]{Ok: &v}, nil + case 1: + var v struct{} + return &wrpc.Result[struct{}, struct{}]{Err: &v}, nil + default: + return nil, fmt.Errorf("invalid result status byte %d", status) + } + }(r__, []uint32{0}...) + if err__ != nil { + err__ = fmt.Errorf("failed to read result 0: %w", err__) + return + } + return +} + +// Get the headers associated with the Request. +// +// The returned `headers` resource is immutable: `set`, `append`, and +// `delete` operations will fail with `header-error.immutable`. +// +// This headers resource is a child: it must be dropped before the parent +// `outgoing-request` is dropped, or its ownership is transfered to +// another component by e.g. `outgoing-handler.handle`. +func OutgoingRequest_Headers(ctx__ context.Context, wrpc__ wrpc.Invoker, self wrpc.Borrow[OutgoingRequest]) (r0__ wrpc.Own[Headers], err__ error) { + var buf__ bytes.Buffer + write0__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "outgoing-request.headers", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]outgoing-request.headers`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-request.headers", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-request.headers", "err", cErr__) + } + r0__, err__ = func(r interface { + io.ByteReader + io.Reader + }) (wrpc.Own[Headers], error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading owned resource ID length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "request-options.connect-timeout", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]request-options.connect-timeout`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]request-options.connect-timeout", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]request-options.connect-timeout", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*Duration, error) { + slog.Debug("reading option status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read option status byte: %w", err) + } + switch status { + case 0: + return nil, nil + case 1: + slog.Debug("reading `option::some` payload") + v, err := func() (Duration, error) { + v, err := func() (wasi__clocks__monotonic_clock.Duration, error) { + v, err := func(r io.ByteReader) (uint64, error) { + var x uint64 + var s uint8 + for i := 0; i < 10; i++ { + slog.Debug("reading u64 byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u64 byte: %w", err) + } + if s == 63 && b > 0x01 { + return x, errors.New("varint overflows a 64-bit integer") + } + if b < 0x80 { + return x | uint64(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + write1__, err__ := func(v *Duration, w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := (func(wrpc.IndexWriter) error)(nil), func(v uint64, w io.Writer) (err error) { + b := make([]byte, binary.MaxVarintLen64) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing u64") + _, err = w.Write(b[:i]) + return err + }(*v, w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(duration, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `duration` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + if write1__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `duration` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "request-options.set-connect-timeout", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]request-options.set-connect-timeout`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]request-options.set-connect-timeout", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]request-options.set-connect-timeout", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[struct{}, struct{}], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + var v struct{} + return &wrpc.Result[struct{}, struct{}]{Ok: &v}, nil + case 1: + var v struct{} + return &wrpc.Result[struct{}, struct{}]{Err: &v}, nil + default: + return nil, fmt.Errorf("invalid result status byte %d", status) + } + }(r__, []uint32{0}...) + if err__ != nil { + err__ = fmt.Errorf("failed to read result 0: %w", err__) + return + } + return +} + +// The timeout for receiving the first byte of the Response body. +func RequestOptions_FirstByteTimeout(ctx__ context.Context, wrpc__ wrpc.Invoker, self wrpc.Borrow[RequestOptions]) (r0__ *Duration, err__ error) { + var buf__ bytes.Buffer + write0__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "request-options.first-byte-timeout", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]request-options.first-byte-timeout`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]request-options.first-byte-timeout", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]request-options.first-byte-timeout", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*Duration, error) { + slog.Debug("reading option status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read option status byte: %w", err) + } + switch status { + case 0: + return nil, nil + case 1: + slog.Debug("reading `option::some` payload") + v, err := func() (Duration, error) { + v, err := func() (wasi__clocks__monotonic_clock.Duration, error) { + v, err := func(r io.ByteReader) (uint64, error) { + var x uint64 + var s uint8 + for i := 0; i < 10; i++ { + slog.Debug("reading u64 byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u64 byte: %w", err) + } + if s == 63 && b > 0x01 { + return x, errors.New("varint overflows a 64-bit integer") + } + if b < 0x80 { + return x | uint64(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + write1__, err__ := func(v *Duration, w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := (func(wrpc.IndexWriter) error)(nil), func(v uint64, w io.Writer) (err error) { + b := make([]byte, binary.MaxVarintLen64) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing u64") + _, err = w.Write(b[:i]) + return err + }(*v, w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(duration, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `duration` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + if write1__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `duration` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "request-options.set-first-byte-timeout", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]request-options.set-first-byte-timeout`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]request-options.set-first-byte-timeout", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]request-options.set-first-byte-timeout", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[struct{}, struct{}], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + var v struct{} + return &wrpc.Result[struct{}, struct{}]{Ok: &v}, nil + case 1: + var v struct{} + return &wrpc.Result[struct{}, struct{}]{Err: &v}, nil + default: + return nil, fmt.Errorf("invalid result status byte %d", status) + } + }(r__, []uint32{0}...) + if err__ != nil { + err__ = fmt.Errorf("failed to read result 0: %w", err__) + return + } + return +} + +// The timeout for receiving subsequent chunks of bytes in the Response +// body stream. +func RequestOptions_BetweenBytesTimeout(ctx__ context.Context, wrpc__ wrpc.Invoker, self wrpc.Borrow[RequestOptions]) (r0__ *Duration, err__ error) { + var buf__ bytes.Buffer + write0__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "request-options.between-bytes-timeout", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]request-options.between-bytes-timeout`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]request-options.between-bytes-timeout", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]request-options.between-bytes-timeout", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*Duration, error) { + slog.Debug("reading option status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read option status byte: %w", err) + } + switch status { + case 0: + return nil, nil + case 1: + slog.Debug("reading `option::some` payload") + v, err := func() (Duration, error) { + v, err := func() (wasi__clocks__monotonic_clock.Duration, error) { + v, err := func(r io.ByteReader) (uint64, error) { + var x uint64 + var s uint8 + for i := 0; i < 10; i++ { + slog.Debug("reading u64 byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u64 byte: %w", err) + } + if s == 63 && b > 0x01 { + return x, errors.New("varint overflows a 64-bit integer") + } + if b < 0x80 { + return x | uint64(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + write1__, err__ := func(v *Duration, w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := (func(wrpc.IndexWriter) error)(nil), func(v uint64, w io.Writer) (err error) { + b := make([]byte, binary.MaxVarintLen64) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing u64") + _, err = w.Write(b[:i]) + return err + }(*v, w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(duration, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `duration` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + if write1__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `duration` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "request-options.set-between-bytes-timeout", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]request-options.set-between-bytes-timeout`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]request-options.set-between-bytes-timeout", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]request-options.set-between-bytes-timeout", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[struct{}, struct{}], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + var v struct{} + return &wrpc.Result[struct{}, struct{}]{Ok: &v}, nil + case 1: + var v struct{} + return &wrpc.Result[struct{}, struct{}]{Err: &v}, nil + default: + return nil, fmt.Errorf("invalid result status byte %d", status) + } + }(r__, []uint32{0}...) + if err__ != nil { + err__ = fmt.Errorf("failed to read result 0: %w", err__) + return + } + return +} + +// Set the value of the `response-outparam` to either send a response, +// or indicate an error. +// +// This method consumes the `response-outparam` to ensure that it is +// called at most once. If it is never called, the implementation +// will respond with an error. +// +// The user may provide an `error` to `response` to allow the +// implementation determine how to respond with an HTTP error response. +func ResponseOutparam_Set(ctx__ context.Context, wrpc__ wrpc.Invoker, param wrpc.Own[ResponseOutparam], response *wrpc.Result[wrpc.Own[OutgoingResponse], ErrorCode]) (err__ error) { + var buf__ bytes.Buffer + write0__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(param), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `param` parameter: %w", err__) + return + } + write1__, err__ := func(v *wrpc.Result[wrpc.Own[OutgoingResponse], ErrorCode], w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + switch { + case v.Ok == nil && v.Err == nil: + return nil, errors.New("both result variants cannot be nil") + case v.Ok != nil && v.Err != nil: + return nil, errors.New("exactly one result variant must non-nil") + + case v.Ok != nil: + slog.Debug("writing `result::ok` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `result::ok` status byte: %w", err) + } + slog.Debug("writing `result::ok` payload") + write, err := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(*v.Ok), w) + if err != nil { + return nil, fmt.Errorf("failed to write `result::ok` payload: %w", err) + } + if write != nil { + return write, nil + } + return nil, nil + default: + slog.Debug("writing `result::err` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `result::err` status byte: %w", err) + } + slog.Debug("writing `result::err` payload") + write, err := (v.Err).WriteToIndex(w) + if err != nil { + return nil, fmt.Errorf("failed to write `result::err` payload: %w", err) + } + if write != nil { + return write, nil + } + return nil, nil + } + }(response, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `response` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `param` parameter") + return + } + if write1__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `response` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "response-outparam.set", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[static]response-outparam.set`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[static]response-outparam.set", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[static]response-outparam.set", "err", cErr__) + } + return +} + +// Returns the status code from the incoming response. +func IncomingResponse_Status(ctx__ context.Context, wrpc__ wrpc.Invoker, self wrpc.Borrow[IncomingResponse]) (r0__ uint16, err__ error) { + var buf__ bytes.Buffer + write0__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "incoming-response.status", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]incoming-response.status`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]incoming-response.status", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]incoming-response.status", "err", cErr__) + } + r0__, err__ = func() (StatusCode, error) { + v, err := func(r io.ByteReader) (uint16, error) { + var x uint16 + var s uint8 + for i := 0; i < 3; i++ { + slog.Debug("reading u16 byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u16 byte: %w", err) + } + if s == 14 && b > 0x03 { + return x, errors.New("varint overflows a 16-bit integer") + } + if b < 0x80 { + return x | uint16(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "incoming-response.headers", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]incoming-response.headers`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]incoming-response.headers", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]incoming-response.headers", "err", cErr__) + } + r0__, err__ = func(r interface { + io.ByteReader + io.Reader + }) (wrpc.Own[Headers], error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading owned resource ID length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "incoming-response.consume", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]incoming-response.consume`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]incoming-response.consume", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]incoming-response.consume", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[wrpc.Own[IncomingBody], struct{}], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + slog.Debug("reading `result::ok` payload") + v, err := func(r interface { + io.ByteReader + io.Reader + }) (wrpc.Own[IncomingBody], error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading owned resource ID length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "incoming-body.stream", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]incoming-body.stream`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]incoming-body.stream", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]incoming-body.stream", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[wrpc.Own[InputStream], struct{}], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + slog.Debug("reading `result::ok` payload") + v, err := func(r interface { + io.ByteReader + io.Reader + }) (wrpc.Own[InputStream], error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading owned resource ID length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(this), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `this` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `this` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "incoming-body.finish", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[static]incoming-body.finish`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[static]incoming-body.finish", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[static]incoming-body.finish", "err", cErr__) + } + r0__, err__ = func(r interface { + io.ByteReader + io.Reader + }) (wrpc.Own[FutureTrailers], error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading owned resource ID length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "future-trailers.subscribe", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]future-trailers.subscribe`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]future-trailers.subscribe", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]future-trailers.subscribe", "err", cErr__) + } + r0__, err__ = func(r interface { + io.ByteReader + io.Reader + }) (wrpc.Own[Pollable], error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading owned resource ID length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "future-trailers.get", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]future-trailers.get`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]future-trailers.get", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]future-trailers.get", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[wrpc.Result[*wrpc.Own[Trailers], ErrorCode], struct{}], error) { + slog.Debug("reading option status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read option status byte: %w", err) + } + switch status { + case 0: + return nil, nil + case 1: + slog.Debug("reading `option::some` payload") + v, err := func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[wrpc.Result[*wrpc.Own[Trailers], ErrorCode], struct{}], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + slog.Debug("reading `result::ok` payload") + v, err := func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[*wrpc.Own[Trailers], ErrorCode], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + slog.Debug("reading `result::ok` payload") + v, err := func(r wrpc.IndexReader, path ...uint32) (*wrpc.Own[Trailers], error) { + slog.Debug("reading option status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read option status byte: %w", err) + } + switch status { + case 0: + return nil, nil + case 1: + slog.Debug("reading `option::some` payload") + v, err := func(r interface { + io.ByteReader + io.Reader + }) (wrpc.Own[Trailers], error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading owned resource ID length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u8 discriminant byte: %w", err) + } + if s == 7 && b > 0x01 { + return x, errors.New("discriminant overflows an 8-bit integer") + } + if b < 0x80 { + return x | uint8(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u16 byte: %w", err) + } + if s == 14 && b > 0x03 { + return x, errors.New("varint overflows a 16-bit integer") + } + if b < 0x80 { + return x | uint16(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u64 byte: %w", err) + } + if s == 63 && b > 0x01 { + return x, errors.New("varint overflows a 64-bit integer") + } + if b < 0x80 { + return x | uint64(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u64 byte: %w", err) + } + if s == 63 && b > 0x01 { + return x, errors.New("varint overflows a 64-bit integer") + } + if b < 0x80 { + return x | uint64(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(headers), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `headers` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `headers` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "outgoing-response", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[constructor]outgoing-response`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[constructor]outgoing-response", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[constructor]outgoing-response", "err", cErr__) + } + r0__, err__ = func(r interface { + io.ByteReader + io.Reader + }) (wrpc.Own[OutgoingResponse], error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading owned resource ID length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "outgoing-response.status-code", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]outgoing-response.status-code`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-response.status-code", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-response.status-code", "err", cErr__) + } + r0__, err__ = func() (StatusCode, error) { + v, err := func(r io.ByteReader) (uint16, error) { + var x uint16 + var s uint8 + for i := 0; i < 3; i++ { + slog.Debug("reading u16 byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u16 byte: %w", err) + } + if s == 14 && b > 0x03 { + return x, errors.New("varint overflows a 16-bit integer") + } + if b < 0x80 { + return x | uint16(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + write1__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v uint16, w io.Writer) (err error) { + b := make([]byte, binary.MaxVarintLen16) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing u16") + _, err = w.Write(b[:i]) + return err + }(statusCode, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `status-code` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + if write1__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `status-code` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "outgoing-response.set-status-code", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]outgoing-response.set-status-code`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-response.set-status-code", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-response.set-status-code", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[struct{}, struct{}], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + var v struct{} + return &wrpc.Result[struct{}, struct{}]{Ok: &v}, nil + case 1: + var v struct{} + return &wrpc.Result[struct{}, struct{}]{Err: &v}, nil + default: + return nil, fmt.Errorf("invalid result status byte %d", status) + } + }(r__, []uint32{0}...) + if err__ != nil { + err__ = fmt.Errorf("failed to read result 0: %w", err__) + return + } + return +} + +// Get the headers associated with the Request. +// +// The returned `headers` resource is immutable: `set`, `append`, and +// `delete` operations will fail with `header-error.immutable`. +// +// This headers resource is a child: it must be dropped before the parent +// `outgoing-request` is dropped, or its ownership is transfered to +// another component by e.g. `outgoing-handler.handle`. +func OutgoingResponse_Headers(ctx__ context.Context, wrpc__ wrpc.Invoker, self wrpc.Borrow[OutgoingResponse]) (r0__ wrpc.Own[Headers], err__ error) { + var buf__ bytes.Buffer + write0__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "outgoing-response.headers", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]outgoing-response.headers`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-response.headers", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-response.headers", "err", cErr__) + } + r0__, err__ = func(r interface { + io.ByteReader + io.Reader + }) (wrpc.Own[Headers], error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading owned resource ID length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "outgoing-response.body", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]outgoing-response.body`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-response.body", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-response.body", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[wrpc.Own[OutgoingBody], struct{}], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + slog.Debug("reading `result::ok` payload") + v, err := func(r interface { + io.ByteReader + io.Reader + }) (wrpc.Own[OutgoingBody], error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading owned resource ID length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "outgoing-body.write", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]outgoing-body.write`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-body.write", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]outgoing-body.write", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[wrpc.Own[OutputStream], struct{}], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + slog.Debug("reading `result::ok` payload") + v, err := func(r interface { + io.ByteReader + io.Reader + }) (wrpc.Own[OutputStream], error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading owned resource ID length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(this), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `this` parameter: %w", err__) + return + } + write1__, err__ := func(v *wrpc.Own[Trailers], w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(*v), w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(trailers, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `trailers` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `this` parameter") + return + } + if write1__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `trailers` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "outgoing-body.finish", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[static]outgoing-body.finish`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[static]outgoing-body.finish", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[static]outgoing-body.finish", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[struct{}, ErrorCode], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + var v struct{} + return &wrpc.Result[struct{}, ErrorCode]{Ok: &v}, nil + case 1: + slog.Debug("reading `result::err` payload") + v, err := func(r wrpc.IndexReader, path ...uint32) (*ErrorCode, error) { + v := &ErrorCode{} + n, err := func(r io.ByteReader) (uint8, error) { + var x uint8 + var s uint + for i := 0; i < 2; i++ { + slog.Debug("reading u8 discriminant byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u8 discriminant byte: %w", err) + } + if s == 7 && b > 0x01 { + return x, errors.New("discriminant overflows an 8-bit integer") + } + if b < 0x80 { + return x | uint8(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u16 byte: %w", err) + } + if s == 14 && b > 0x03 { + return x, errors.New("varint overflows a 16-bit integer") + } + if b < 0x80 { + return x | uint16(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u64 byte: %w", err) + } + if s == 63 && b > 0x01 { + return x, errors.New("varint overflows a 64-bit integer") + } + if b < 0x80 { + return x | uint64(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u64 byte: %w", err) + } + if s == 63 && b > 0x01 { + return x, errors.New("varint overflows a 64-bit integer") + } + if b < 0x80 { + return x | uint64(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "future-incoming-response.subscribe", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]future-incoming-response.subscribe`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]future-incoming-response.subscribe", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]future-incoming-response.subscribe", "err", cErr__) + } + r0__, err__ = func(r interface { + io.ByteReader + io.Reader + }) (wrpc.Own[Pollable], error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading owned resource ID length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:http/types@0.2.0", "future-incoming-response.get", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]future-incoming-response.get`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:http/types@0.2.0", "name", "[method]future-incoming-response.get", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:http/types@0.2.0", "name", "[method]future-incoming-response.get", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[wrpc.Result[wrpc.Own[IncomingResponse], ErrorCode], struct{}], error) { + slog.Debug("reading option status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read option status byte: %w", err) + } + switch status { + case 0: + return nil, nil + case 1: + slog.Debug("reading `option::some` payload") + v, err := func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[wrpc.Result[wrpc.Own[IncomingResponse], ErrorCode], struct{}], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + slog.Debug("reading `result::ok` payload") + v, err := func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[wrpc.Own[IncomingResponse], ErrorCode], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + slog.Debug("reading `result::ok` payload") + v, err := func(r interface { + io.ByteReader + io.Reader + }) (wrpc.Own[IncomingResponse], error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading owned resource ID length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u8 discriminant byte: %w", err) + } + if s == 7 && b > 0x01 { + return x, errors.New("discriminant overflows an 8-bit integer") + } + if b < 0x80 { + return x | uint8(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u16 byte: %w", err) + } + if s == 14 && b > 0x03 { + return x, errors.New("varint overflows a 16-bit integer") + } + if b < 0x80 { + return x | uint16(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u64 byte: %w", err) + } + if s == 63 && b > 0x01 { + return x, errors.New("varint overflows a 64-bit integer") + } + if b < 0x80 { + return x | uint64(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u64 byte: %w", err) + } + if s == 63 && b > 0x01 { + return x, errors.New("varint overflows a 64-bit integer") + } + if b < 0x80 { + return x | uint64(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)<` and returns +// `option`. +// +// The set of functions which can "downcast" an `error` into a more +// concrete type is open. +type Error interface{} + +// Returns a string that is suitable to assist humans in debugging +// this error. +// +// WARNING: The returned string should not be consumed mechanically! +// It may change across platforms, hosts, or other implementation +// details. Parsing this string is a major platform-compatibility +// hazard. +func Error_ToDebugString(ctx__ context.Context, wrpc__ wrpc.Invoker, self wrpc.Borrow[Error]) (r0__ string, err__ error) { + var buf__ bytes.Buffer + write0__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:io/error@0.2.0", "error.to-debug-string", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]error.to-debug-string`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:io/error@0.2.0", "name", "[method]error.to-debug-string", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:io/error@0.2.0", "name", "[method]error.to-debug-string", "err", cErr__) + } + r0__, err__ = func(r interface { + io.ByteReader + io.Reader + }) (string, error) { + var x uint32 + var s uint8 + for i := 0; i < 5; i++ { + slog.Debug("reading string length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:io/poll@0.2.0", "pollable.ready", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]pollable.ready`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:io/poll@0.2.0", "name", "[method]pollable.ready", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:io/poll@0.2.0", "name", "[method]pollable.ready", "err", cErr__) + } + r0__, err__ = func(r io.ByteReader) (bool, error) { + slog.Debug("reading bool byte") + v, err := r.ReadByte() + if err != nil { + slog.Debug("reading bool", "value", false) + return false, fmt.Errorf("failed to read bool byte: %w", err) + } + switch v { + case 0: + return false, nil + case 1: + return true, nil + default: + return false, fmt.Errorf("invalid bool value %d", v) + } + }(r__) + if err__ != nil { + err__ = fmt.Errorf("failed to read result 0: %w", err__) + return + } + return +} + +// `block` returns immediately if the pollable is ready, and otherwise +// blocks until ready. +// +// This function is equivalent to calling `poll.poll` on a list +// containing only this pollable. +func Pollable_Block(ctx__ context.Context, wrpc__ wrpc.Invoker, self wrpc.Borrow[Pollable]) (err__ error) { + var buf__ bytes.Buffer + write0__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:io/poll@0.2.0", "pollable.block", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]pollable.block`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:io/poll@0.2.0", "name", "[method]pollable.block", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:io/poll@0.2.0", "name", "[method]pollable.block", "err", cErr__) + } + return +} + +// Poll for completion on a set of pollables. +// +// This function takes a list of pollables, which identify I/O sources of +// interest, and waits until one or more of the events is ready for I/O. +// +// The result `list` contains one or more indices of handles in the +// argument list that is ready for I/O. +// +// If the list contains more elements than can be indexed with a `u32` +// value, this function traps. +// +// A timeout can be implemented by adding a pollable from the +// wasi-clocks API to the list. +// +// This function does not return a `result`; polling in itself does not +// do any I/O so it doesn't fail. If any of the I/O sources identified by +// the pollables has an error, it is indicated by marking the source as +// being reaedy for I/O. +func Poll(ctx__ context.Context, wrpc__ wrpc.Invoker, in []wrpc.Borrow[Pollable]) (r0__ []uint32, err__ error) { + var buf__ bytes.Buffer + write0__, err__ := func(v []wrpc.Borrow[Pollable], w interface { + io.ByteWriter + io.Writer + }) (write func(wrpc.IndexWriter) error, err error) { + n := len(v) + if n > math.MaxUint32 { + return nil, fmt.Errorf("list length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing list length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return nil, fmt.Errorf("failed to write list length of %d: %w", n, err) + } + slog.Debug("writing list elements") + writes := make(map[uint32]func(wrpc.IndexWriter) error, n) + for i, e := range v { + write, err := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(e), w) + if err != nil { + return nil, fmt.Errorf("failed to write list element %d: %w", i, err) + } + if write != nil { + writes[uint32(i)] = write + } + } + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil + }(in, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `in` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `in` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:io/poll@0.2.0", "poll", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `poll`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:io/poll@0.2.0", "name", "poll", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:io/poll@0.2.0", "name", "poll", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) ([]uint32, error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading list length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return nil, fmt.Errorf("failed to read list length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return nil, errors.New("list length overflows a 32-bit integer") + } + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(payload), w) + if err != nil { + return nil, fmt.Errorf("failed to write payload: %w", err) + } + + if write != nil { + return func(w wrpc.IndexWriter) error { + w, err := w.Index(0) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + return write(w) + }, nil + } + case StreamErrorClosed: + default: + return nil, errors.New("invalid variant") + } + return nil, nil +} + +// An input bytestream. +// +// `input-stream`s are *non-blocking* to the extent practical on underlying +// platforms. I/O operations always return promptly; if fewer bytes are +// promptly available than requested, they return the number of bytes promptly +// available, which could even be zero. To wait for data to be available, +// use the `subscribe` function to obtain a `pollable` which can be polled +// for using `wasi:io/poll`. +type InputStream interface{} + +// An output bytestream. +// +// `output-stream`s are *non-blocking* to the extent practical on +// underlying platforms. Except where specified otherwise, I/O operations also +// always return promptly, after the number of bytes that can be written +// promptly, which could even be zero. To wait for the stream to be ready to +// accept data, the `subscribe` function to obtain a `pollable` which can be +// polled for using `wasi:io/poll`. +type OutputStream interface{} + +// Perform a non-blocking read from the stream. +// +// When the source of a `read` is binary data, the bytes from the source +// are returned verbatim. When the source of a `read` is known to the +// implementation to be text, bytes containing the UTF-8 encoding of the +// text are returned. +// +// This function returns a list of bytes containing the read data, +// when successful. The returned list will contain up to `len` bytes; +// it may return fewer than requested, but not more. The list is +// empty when no bytes are available for reading at this time. The +// pollable given by `subscribe` will be ready when more bytes are +// available. +// +// This function fails with a `stream-error` when the operation +// encounters an error, giving `last-operation-failed`, or when the +// stream is closed, giving `closed`. +// +// When the caller gives a `len` of 0, it represents a request to +// read 0 bytes. If the stream is still open, this call should +// succeed and return an empty list, or otherwise fail with `closed`. +// +// The `len` parameter is a `u64`, which could represent a list of u8 which +// is not possible to allocate in wasm32, or not desirable to allocate as +// as a return value by the callee. The callee may return a list of bytes +// less than `len` in size while more bytes are available for reading. +func InputStream_Read(ctx__ context.Context, wrpc__ wrpc.Invoker, self wrpc.Borrow[InputStream], len_ uint64) (r0__ *wrpc.Result[[]uint8, StreamError], err__ error) { + var buf__ bytes.Buffer + write0__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + write1__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v uint64, w io.Writer) (err error) { + b := make([]byte, binary.MaxVarintLen64) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing u64") + _, err = w.Write(b[:i]) + return err + }(len_, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `len` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + if write1__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `len` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:io/streams@0.2.0", "input-stream.read", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]input-stream.read`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:io/streams@0.2.0", "name", "[method]input-stream.read", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:io/streams@0.2.0", "name", "[method]input-stream.read", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[[]uint8, StreamError], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + slog.Debug("reading `result::ok` payload") + v, err := func(r interface { + io.ByteReader + io.Reader + }) ([]byte, error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading byte list length", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return nil, fmt.Errorf("failed to read byte list length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return nil, errors.New("byte list length overflows a 32-bit integer") + } + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u8 discriminant byte: %w", err) + } + if s == 7 && b > 0x01 { + return x, errors.New("discriminant overflows an 8-bit integer") + } + if b < 0x80 { + return x | uint8(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + write1__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v uint64, w io.Writer) (err error) { + b := make([]byte, binary.MaxVarintLen64) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing u64") + _, err = w.Write(b[:i]) + return err + }(len_, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `len` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + if write1__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `len` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:io/streams@0.2.0", "input-stream.blocking-read", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]input-stream.blocking-read`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:io/streams@0.2.0", "name", "[method]input-stream.blocking-read", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:io/streams@0.2.0", "name", "[method]input-stream.blocking-read", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[[]uint8, StreamError], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + slog.Debug("reading `result::ok` payload") + v, err := func(r interface { + io.ByteReader + io.Reader + }) ([]byte, error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading byte list length", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return nil, fmt.Errorf("failed to read byte list length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return nil, errors.New("byte list length overflows a 32-bit integer") + } + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u8 discriminant byte: %w", err) + } + if s == 7 && b > 0x01 { + return x, errors.New("discriminant overflows an 8-bit integer") + } + if b < 0x80 { + return x | uint8(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + write1__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v uint64, w io.Writer) (err error) { + b := make([]byte, binary.MaxVarintLen64) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing u64") + _, err = w.Write(b[:i]) + return err + }(len_, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `len` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + if write1__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `len` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:io/streams@0.2.0", "input-stream.skip", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]input-stream.skip`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:io/streams@0.2.0", "name", "[method]input-stream.skip", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:io/streams@0.2.0", "name", "[method]input-stream.skip", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[uint64, StreamError], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + slog.Debug("reading `result::ok` payload") + v, err := func(r io.ByteReader) (uint64, error) { + var x uint64 + var s uint8 + for i := 0; i < 10; i++ { + slog.Debug("reading u64 byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u64 byte: %w", err) + } + if s == 63 && b > 0x01 { + return x, errors.New("varint overflows a 64-bit integer") + } + if b < 0x80 { + return x | uint64(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u8 discriminant byte: %w", err) + } + if s == 7 && b > 0x01 { + return x, errors.New("discriminant overflows an 8-bit integer") + } + if b < 0x80 { + return x | uint8(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + write1__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v uint64, w io.Writer) (err error) { + b := make([]byte, binary.MaxVarintLen64) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing u64") + _, err = w.Write(b[:i]) + return err + }(len_, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `len` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + if write1__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `len` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:io/streams@0.2.0", "input-stream.blocking-skip", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]input-stream.blocking-skip`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:io/streams@0.2.0", "name", "[method]input-stream.blocking-skip", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:io/streams@0.2.0", "name", "[method]input-stream.blocking-skip", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[uint64, StreamError], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + slog.Debug("reading `result::ok` payload") + v, err := func(r io.ByteReader) (uint64, error) { + var x uint64 + var s uint8 + for i := 0; i < 10; i++ { + slog.Debug("reading u64 byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u64 byte: %w", err) + } + if s == 63 && b > 0x01 { + return x, errors.New("varint overflows a 64-bit integer") + } + if b < 0x80 { + return x | uint64(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u8 discriminant byte: %w", err) + } + if s == 7 && b > 0x01 { + return x, errors.New("discriminant overflows an 8-bit integer") + } + if b < 0x80 { + return x | uint8(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:io/streams@0.2.0", "input-stream.subscribe", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]input-stream.subscribe`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:io/streams@0.2.0", "name", "[method]input-stream.subscribe", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:io/streams@0.2.0", "name", "[method]input-stream.subscribe", "err", cErr__) + } + r0__, err__ = func(r interface { + io.ByteReader + io.Reader + }) (wrpc.Own[Pollable], error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading owned resource ID length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:io/streams@0.2.0", "output-stream.check-write", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]output-stream.check-write`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:io/streams@0.2.0", "name", "[method]output-stream.check-write", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:io/streams@0.2.0", "name", "[method]output-stream.check-write", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[uint64, StreamError], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + slog.Debug("reading `result::ok` payload") + v, err := func(r io.ByteReader) (uint64, error) { + var x uint64 + var s uint8 + for i := 0; i < 10; i++ { + slog.Debug("reading u64 byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u64 byte: %w", err) + } + if s == 63 && b > 0x01 { + return x, errors.New("varint overflows a 64-bit integer") + } + if b < 0x80 { + return x | uint64(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u8 discriminant byte: %w", err) + } + if s == 7 && b > 0x01 { + return x, errors.New("discriminant overflows an 8-bit integer") + } + if b < 0x80 { + return x | uint8(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + write1__, err__ := func(v []uint8, w interface { + io.ByteWriter + io.Writer + }) (write func(wrpc.IndexWriter) error, err error) { + n := len(v) + if n > math.MaxUint32 { + return nil, fmt.Errorf("list length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing list length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return nil, fmt.Errorf("failed to write list length of %d: %w", n, err) + } + slog.Debug("writing list elements") + writes := make(map[uint32]func(wrpc.IndexWriter) error, n) + for i, e := range v { + write, err := (func(wrpc.IndexWriter) error)(nil), func(v uint8, w io.ByteWriter) error { + slog.Debug("writing u8 byte") + return w.WriteByte(v) + }(e, w) + if err != nil { + return nil, fmt.Errorf("failed to write list element %d: %w", i, err) + } + if write != nil { + writes[uint32(i)] = write + } + } + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil + }(contents, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `contents` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + if write1__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `contents` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:io/streams@0.2.0", "output-stream.write", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]output-stream.write`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:io/streams@0.2.0", "name", "[method]output-stream.write", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:io/streams@0.2.0", "name", "[method]output-stream.write", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[struct{}, StreamError], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + var v struct{} + return &wrpc.Result[struct{}, StreamError]{Ok: &v}, nil + case 1: + slog.Debug("reading `result::err` payload") + v, err := func(r wrpc.IndexReader, path ...uint32) (*StreamError, error) { + v := &StreamError{} + n, err := func(r io.ByteReader) (uint8, error) { + var x uint8 + var s uint + for i := 0; i < 2; i++ { + slog.Debug("reading u8 discriminant byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u8 discriminant byte: %w", err) + } + if s == 7 && b > 0x01 { + return x, errors.New("discriminant overflows an 8-bit integer") + } + if b < 0x80 { + return x | uint8(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + write1__, err__ := func(v []uint8, w interface { + io.ByteWriter + io.Writer + }) (write func(wrpc.IndexWriter) error, err error) { + n := len(v) + if n > math.MaxUint32 { + return nil, fmt.Errorf("list length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing list length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return nil, fmt.Errorf("failed to write list length of %d: %w", n, err) + } + slog.Debug("writing list elements") + writes := make(map[uint32]func(wrpc.IndexWriter) error, n) + for i, e := range v { + write, err := (func(wrpc.IndexWriter) error)(nil), func(v uint8, w io.ByteWriter) error { + slog.Debug("writing u8 byte") + return w.WriteByte(v) + }(e, w) + if err != nil { + return nil, fmt.Errorf("failed to write list element %d: %w", i, err) + } + if write != nil { + writes[uint32(i)] = write + } + } + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil + }(contents, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `contents` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + if write1__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `contents` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:io/streams@0.2.0", "output-stream.blocking-write-and-flush", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]output-stream.blocking-write-and-flush`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:io/streams@0.2.0", "name", "[method]output-stream.blocking-write-and-flush", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:io/streams@0.2.0", "name", "[method]output-stream.blocking-write-and-flush", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[struct{}, StreamError], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + var v struct{} + return &wrpc.Result[struct{}, StreamError]{Ok: &v}, nil + case 1: + slog.Debug("reading `result::err` payload") + v, err := func(r wrpc.IndexReader, path ...uint32) (*StreamError, error) { + v := &StreamError{} + n, err := func(r io.ByteReader) (uint8, error) { + var x uint8 + var s uint + for i := 0; i < 2; i++ { + slog.Debug("reading u8 discriminant byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u8 discriminant byte: %w", err) + } + if s == 7 && b > 0x01 { + return x, errors.New("discriminant overflows an 8-bit integer") + } + if b < 0x80 { + return x | uint8(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:io/streams@0.2.0", "output-stream.flush", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]output-stream.flush`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:io/streams@0.2.0", "name", "[method]output-stream.flush", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:io/streams@0.2.0", "name", "[method]output-stream.flush", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[struct{}, StreamError], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + var v struct{} + return &wrpc.Result[struct{}, StreamError]{Ok: &v}, nil + case 1: + slog.Debug("reading `result::err` payload") + v, err := func(r wrpc.IndexReader, path ...uint32) (*StreamError, error) { + v := &StreamError{} + n, err := func(r io.ByteReader) (uint8, error) { + var x uint8 + var s uint + for i := 0; i < 2; i++ { + slog.Debug("reading u8 discriminant byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u8 discriminant byte: %w", err) + } + if s == 7 && b > 0x01 { + return x, errors.New("discriminant overflows an 8-bit integer") + } + if b < 0x80 { + return x | uint8(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:io/streams@0.2.0", "output-stream.blocking-flush", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]output-stream.blocking-flush`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:io/streams@0.2.0", "name", "[method]output-stream.blocking-flush", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:io/streams@0.2.0", "name", "[method]output-stream.blocking-flush", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[struct{}, StreamError], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + var v struct{} + return &wrpc.Result[struct{}, StreamError]{Ok: &v}, nil + case 1: + slog.Debug("reading `result::err` payload") + v, err := func(r wrpc.IndexReader, path ...uint32) (*StreamError, error) { + v := &StreamError{} + n, err := func(r io.ByteReader) (uint8, error) { + var x uint8 + var s uint + for i := 0; i < 2; i++ { + slog.Debug("reading u8 discriminant byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u8 discriminant byte: %w", err) + } + if s == 7 && b > 0x01 { + return x, errors.New("discriminant overflows an 8-bit integer") + } + if b < 0x80 { + return x | uint8(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)<0, or an +// error. +// +// If the stream is closed, this pollable is always ready immediately. +// +// The created `pollable` is a child resource of the `output-stream`. +// Implementations may trap if the `output-stream` is dropped before +// all derived `pollable`s created with this function are dropped. +func OutputStream_Subscribe(ctx__ context.Context, wrpc__ wrpc.Invoker, self wrpc.Borrow[OutputStream]) (r0__ wrpc.Own[Pollable], err__ error) { + var buf__ bytes.Buffer + write0__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:io/streams@0.2.0", "output-stream.subscribe", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]output-stream.subscribe`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:io/streams@0.2.0", "name", "[method]output-stream.subscribe", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:io/streams@0.2.0", "name", "[method]output-stream.subscribe", "err", cErr__) + } + r0__, err__ = func(r interface { + io.ByteReader + io.Reader + }) (wrpc.Own[Pollable], error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading owned resource ID length byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + write1__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v uint64, w io.Writer) (err error) { + b := make([]byte, binary.MaxVarintLen64) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing u64") + _, err = w.Write(b[:i]) + return err + }(len_, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `len` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + if write1__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `len` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:io/streams@0.2.0", "output-stream.write-zeroes", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]output-stream.write-zeroes`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:io/streams@0.2.0", "name", "[method]output-stream.write-zeroes", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:io/streams@0.2.0", "name", "[method]output-stream.write-zeroes", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[struct{}, StreamError], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + var v struct{} + return &wrpc.Result[struct{}, StreamError]{Ok: &v}, nil + case 1: + slog.Debug("reading `result::err` payload") + v, err := func(r wrpc.IndexReader, path ...uint32) (*StreamError, error) { + v := &StreamError{} + n, err := func(r io.ByteReader) (uint8, error) { + var x uint8 + var s uint + for i := 0; i < 2; i++ { + slog.Debug("reading u8 discriminant byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u8 discriminant byte: %w", err) + } + if s == 7 && b > 0x01 { + return x, errors.New("discriminant overflows an 8-bit integer") + } + if b < 0x80 { + return x | uint8(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + write1__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v uint64, w io.Writer) (err error) { + b := make([]byte, binary.MaxVarintLen64) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing u64") + _, err = w.Write(b[:i]) + return err + }(len_, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `len` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + if write1__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `len` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:io/streams@0.2.0", "output-stream.blocking-write-zeroes-and-flush", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]output-stream.blocking-write-zeroes-and-flush`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:io/streams@0.2.0", "name", "[method]output-stream.blocking-write-zeroes-and-flush", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:io/streams@0.2.0", "name", "[method]output-stream.blocking-write-zeroes-and-flush", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[struct{}, StreamError], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + var v struct{} + return &wrpc.Result[struct{}, StreamError]{Ok: &v}, nil + case 1: + slog.Debug("reading `result::err` payload") + v, err := func(r wrpc.IndexReader, path ...uint32) (*StreamError, error) { + v := &StreamError{} + n, err := func(r io.ByteReader) (uint8, error) { + var x uint8 + var s uint + for i := 0; i < 2; i++ { + slog.Debug("reading u8 discriminant byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u8 discriminant byte: %w", err) + } + if s == 7 && b > 0x01 { + return x, errors.New("discriminant overflows an 8-bit integer") + } + if b < 0x80 { + return x | uint8(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + write1__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(src), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `src` parameter: %w", err__) + return + } + write2__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v uint64, w io.Writer) (err error) { + b := make([]byte, binary.MaxVarintLen64) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing u64") + _, err = w.Write(b[:i]) + return err + }(len_, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `len` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + if write1__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `src` parameter") + return + } + if write2__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `len` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:io/streams@0.2.0", "output-stream.splice", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]output-stream.splice`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:io/streams@0.2.0", "name", "[method]output-stream.splice", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:io/streams@0.2.0", "name", "[method]output-stream.splice", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[uint64, StreamError], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + slog.Debug("reading `result::ok` payload") + v, err := func(r io.ByteReader) (uint64, error) { + var x uint64 + var s uint8 + for i := 0; i < 10; i++ { + slog.Debug("reading u64 byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u64 byte: %w", err) + } + if s == 63 && b > 0x01 { + return x, errors.New("varint overflows a 64-bit integer") + } + if b < 0x80 { + return x | uint64(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u8 discriminant byte: %w", err) + } + if s == 7 && b > 0x01 { + return x, errors.New("discriminant overflows an 8-bit integer") + } + if b < 0x80 { + return x | uint8(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(self), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `self` parameter: %w", err__) + return + } + write1__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(string(src), &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `src` parameter: %w", err__) + return + } + write2__, err__ := (func(wrpc.IndexWriter) error)(nil), func(v uint64, w io.Writer) (err error) { + b := make([]byte, binary.MaxVarintLen64) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing u64") + _, err = w.Write(b[:i]) + return err + }(len_, &buf__) + if err__ != nil { + err__ = fmt.Errorf("failed to write `len` parameter: %w", err__) + return + } + if write0__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `self` parameter") + return + } + if write1__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `src` parameter") + return + } + if write2__ != nil { + err__ = errors.New("unexpected deferred write for synchronous `len` parameter") + return + } + var w__ wrpc.IndexWriteCloser + var r__ wrpc.IndexReadCloser + w__, r__, err__ = wrpc__.Invoke(ctx__, "wasi:io/streams@0.2.0", "output-stream.blocking-splice", buf__.Bytes()) + if err__ != nil { + err__ = fmt.Errorf("failed to invoke `[method]output-stream.blocking-splice`: %w", err__) + return + } + defer func() { + if err := r__.Close(); err != nil { + slog.ErrorContext(ctx__, "failed to close reader", "instance", "wasi:io/streams@0.2.0", "name", "[method]output-stream.blocking-splice", "err", err) + } + }() + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "failed to close outgoing stream", "instance", "wasi:io/streams@0.2.0", "name", "[method]output-stream.blocking-splice", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[uint64, StreamError], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + slog.Debug("reading `result::ok` payload") + v, err := func(r io.ByteReader) (uint64, error) { + var x uint64 + var s uint8 + for i := 0; i < 10; i++ { + slog.Debug("reading u64 byte", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u64 byte: %w", err) + } + if s == 63 && b > 0x01 { + return x, errors.New("varint overflows a 64-bit integer") + } + if b < 0x80 { + return x | uint64(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u8 discriminant byte: %w", err) + } + if s == 7 && b > 0x01 { + return x, errors.New("discriminant overflows an 8-bit integer") + } + if b < 0x80 { + return x | uint8(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read owned resource ID length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return "", errors.New("owned resource ID length overflows a 32-bit integer") + } + x = x | uint32(b)< 0 { + writeErrCh__ := make(chan error, uint(writeCount__)) + writeErrs__ = writeErrCh__ + var wg__ sync.WaitGroup + for index, write := range writes__ { + wg__.Add(1) + w, err := w__.Index(index) + if err != nil { + if cErr := w__.Close(); cErr != nil { + slog.DebugContext(ctx__, "FIRST failed to close outgoing stream", "instance", "wrpc:http/incoming-handler@0.1.0", "name", "handle", "err", cErr) + } + err__ = fmt.Errorf("failed to index writer at index `%v`: %w", index, err) + return + } + write := write + go func() { + defer wg__.Done() + if err := write(w); err != nil { + writeErrCh__ <- err + } + }() + } + go func() { + wg__.Wait() + close(writeErrCh__) + }() + } + if cErr__ := w__.Close(); cErr__ != nil { + slog.DebugContext(ctx__, "SECOND failed to close outgoing stream", "instance", "wrpc:http/incoming-handler@0.1.0", "name", "handle", "err", cErr__) + } + r0__, err__ = func(r wrpc.IndexReader, path ...uint32) (*wrpc.Result[Response, ErrorCode], error) { + slog.Debug("reading result status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read result status byte: %w", err) + } + switch status { + case 0: + slog.Debug("reading `result::ok` payload") + v, err := func() (*Response, error) { + v, err := func(r wrpc.IndexReader, path ...uint32) (*wrpc__http__types.Response, error) { + v := &wrpc__http__types.Response{} + var err error + slog.Debug("reading field", "name", "body") + v.Body, err = func(r wrpc.IndexReader, path ...uint32) (io.Reader, error) { + slog.Debug("reading byte stream status byte") + status, err := r.ReadByte() + if err != nil { + return nil, fmt.Errorf("failed to read byte stream status byte: %w", err) + } + switch status { + case 0: + r, err := r.Index(path...) + if err != nil { + return nil, fmt.Errorf("failed to index reader: %w", err) + } + return wrpc.NewByteStreamReader(r), nil + case 1: + slog.Debug("reading ready byte stream contents") + buf, err := func(r interface { + io.ByteReader + io.Reader + }, + ) ([]byte, error) { + var x uint32 + var s uint + for i := 0; i < 5; i++ { + slog.Debug("reading byte list length", "i", i) + b, err := r.ReadByte() + if err != nil { + if i > 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return nil, fmt.Errorf("failed to read byte list length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return nil, errors.New("byte list length overflows a 32-bit integer") + } + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return nil, fmt.Errorf("failed to read list length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return nil, errors.New("list length overflows a 32-bit integer") + } + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return nil, fmt.Errorf("failed to read list length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return nil, errors.New("list length overflows a 32-bit integer") + } + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return nil, fmt.Errorf("failed to read byte list length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return nil, errors.New("byte list length overflows a 32-bit integer") + } + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return nil, fmt.Errorf("failed to read list length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return nil, errors.New("list length overflows a 32-bit integer") + } + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return nil, fmt.Errorf("failed to read list length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return nil, errors.New("list length overflows a 32-bit integer") + } + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return nil, fmt.Errorf("failed to read byte list length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return nil, errors.New("byte list length overflows a 32-bit integer") + } + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u16 byte: %w", err) + } + if s == 14 && b > 0x03 { + return x, errors.New("varint overflows a 16-bit integer") + } + if b < 0x80 { + return x | uint16(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return nil, fmt.Errorf("failed to read list length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return nil, errors.New("list length overflows a 32-bit integer") + } + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return nil, fmt.Errorf("failed to read list length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return nil, errors.New("list length overflows a 32-bit integer") + } + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return nil, fmt.Errorf("failed to read byte list length byte: %w", err) + } + if b < 0x80 { + if i == 4 && b > 1 { + return nil, errors.New("byte list length overflows a 32-bit integer") + } + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u8 discriminant byte: %w", err) + } + if s == 7 && b > 0x01 { + return x, errors.New("discriminant overflows an 8-bit integer") + } + if b < 0x80 { + return x | uint8(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u16 byte: %w", err) + } + if s == 14 && b > 0x03 { + return x, errors.New("varint overflows a 16-bit integer") + } + if b < 0x80 { + return x | uint16(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u64 byte: %w", err) + } + if s == 63 && b > 0x01 { + return x, errors.New("varint overflows a 64-bit integer") + } + if b < 0x80 { + return x | uint64(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u64 byte: %w", err) + } + if s == 63 && b > 0x01 { + return x, errors.New("varint overflows a 64-bit integer") + } + if b < 0x80 { + return x | uint64(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return x, fmt.Errorf("failed to read u32 byte: %w", err) + } + if s == 28 && b > 0x0f { + return x, errors.New("varint overflows a 32-bit integer") + } + if b < 0x80 { + return x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 && err == io.EOF { + err = io.ErrUnexpectedEOF + } + return "", fmt.Errorf("failed to read string length byte: %w", err) + } + if s == 28 && b > 0x0f { + return "", errors.New("string length overflows a 32-bit integer") + } + if b < 0x80 { + x = x | uint32(b)< 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil +} + +type Request struct { + Body io.Reader + Trailers wrpc.Receiver[[]*wrpc.Tuple2[string, [][]uint8]] + Method *wasi__http__types.Method + PathWithQuery *string + Scheme *Scheme + Authority *string + Headers []*wrpc.Tuple2[string, [][]uint8] +} + +func (v *Request) String() string { return "Request" } + +func (v *Request) WriteToIndex(w wrpc.ByteWriter) (func(wrpc.IndexWriter) error, error) { + writes := make(map[uint32]func(wrpc.IndexWriter) error, 7) + slog.Debug("writing field", "name", "body") + write0, err := func(v io.Reader, w interface { + io.ByteWriter + io.Writer + }) (write func(wrpc.IndexWriter) error, err error) { + slog.Debug("writing byte stream `stream::pending` status byte") + if err = w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `stream::pending` byte: %w", err) + } + return func(w wrpc.IndexWriter) (err error) { + defer func() { + body, ok := v.(io.Closer) + if ok { + if cErr := body.Close(); cErr != nil { + if err == nil { + err = fmt.Errorf("failed to close pending byte stream: %w", cErr) + } else { + slog.Warn("failed to close pending byte stream", "err", cErr) + } + } + } + }() + chunk := make([]byte, 8096) + for { + var end bool + slog.Debug("reading pending byte stream contents") + n, err := v.Read(chunk) + if err == io.EOF { + end = true + slog.Debug("pending byte stream reached EOF") + } else if err != nil { + return fmt.Errorf("failed to read pending byte stream chunk: %w", err) + } + if n > math.MaxUint32 { + return fmt.Errorf("pending byte stream chunk length of %d overflows a 32-bit integer", n) + } + slog.Debug("writing pending byte stream chunk length", "len", n) + if err := wrpc.WriteUint32(uint32(n), w); err != nil { + return fmt.Errorf("failed to write pending byte stream chunk length of %d: %w", n, err) + } + _, err = w.Write(chunk[:n]) + if err != nil { + return fmt.Errorf("failed to write pending byte stream chunk contents: %w", err) + } + if end { + if err := w.WriteByte(0); err != nil { + return fmt.Errorf("failed to write pending byte stream end byte: %w", err) + } + return nil + } + } + }, nil + }(v.Body, w) + if err != nil { + return nil, fmt.Errorf("failed to write `body` field: %w", err) + } + if write0 != nil { + writes[0] = write0 + } + slog.Debug("writing field", "name", "trailers") + write1, err := func(v wrpc.Receiver[[]*wrpc.Tuple2[string, [][]uint8]], w interface { + io.ByteWriter + io.Writer + }) (write func(wrpc.IndexWriter) error, err error) { + slog.Debug("writing future `future::pending` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `future::pending` byte: %w", err) + } + return func(w wrpc.IndexWriter) (err error) { + defer func() { + body, ok := v.(io.Closer) + if ok { + if cErr := body.Close(); cErr != nil { + if err == nil { + err = fmt.Errorf("failed to close pending future: %w", cErr) + } else { + slog.Warn("failed to close pending future", "err", cErr) + } + } + } + }() + slog.Debug("receiving outgoing pending future contents") + rx, err := v.Receive() + if err != nil { + return fmt.Errorf("failed to receive outgoing pending future: %w", err) + } + slog.Debug("writing pending future element") + write, err := func(v []*wrpc.Tuple2[string, [][]uint8], w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := func(v []*wrpc.Tuple2[string, [][]uint8], w interface { + io.ByteWriter + io.Writer + }) (write func(wrpc.IndexWriter) error, err error) { + n := len(v) + if n > math.MaxUint32 { + return nil, fmt.Errorf("list length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing list length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return nil, fmt.Errorf("failed to write list length of %d: %w", n, err) + } + slog.Debug("writing list elements") + writes := make(map[uint32]func(wrpc.IndexWriter) error, n) + for i, e := range v { + write, err := func(v *wrpc.Tuple2[string, [][]uint8], w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + writes := make(map[uint32]func(wrpc.IndexWriter) error, 2) + slog.Debug("writing tuple element 0") + write0, err := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(v.V0, w) + if err != nil { + return nil, fmt.Errorf("failed to write tuple element 0: %w", err) + } + if write0 != nil { + writes[0] = write0 + } + slog.Debug("writing tuple element 1") + write1, err := func(v [][]uint8, w interface { + io.ByteWriter + io.Writer + }) (write func(wrpc.IndexWriter) error, err error) { + n := len(v) + if n > math.MaxUint32 { + return nil, fmt.Errorf("list length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing list length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return nil, fmt.Errorf("failed to write list length of %d: %w", n, err) + } + slog.Debug("writing list elements") + writes := make(map[uint32]func(wrpc.IndexWriter) error, n) + for i, e := range v { + write, err := func(v []uint8, w interface { + io.ByteWriter + io.Writer + }) (write func(wrpc.IndexWriter) error, err error) { + n := len(v) + if n > math.MaxUint32 { + return nil, fmt.Errorf("list length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing list length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return nil, fmt.Errorf("failed to write list length of %d: %w", n, err) + } + slog.Debug("writing list elements") + writes := make(map[uint32]func(wrpc.IndexWriter) error, n) + for i, e := range v { + write, err := (func(wrpc.IndexWriter) error)(nil), func(v uint8, w io.ByteWriter) error { + slog.Debug("writing u8 byte") + return w.WriteByte(v) + }(e, w) + if err != nil { + return nil, fmt.Errorf("failed to write list element %d: %w", i, err) + } + if write != nil { + writes[uint32(i)] = write + } + } + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil + }(e, w) + if err != nil { + return nil, fmt.Errorf("failed to write list element %d: %w", i, err) + } + if write != nil { + writes[uint32(i)] = write + } + } + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil + }(v.V1, w) + if err != nil { + return nil, fmt.Errorf("failed to write tuple element 1: %w", err) + } + if write1 != nil { + writes[1] = write1 + } + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil + }(e, w) + if err != nil { + return nil, fmt.Errorf("failed to write list element %d: %w", i, err) + } + if write != nil { + writes[uint32(i)] = write + } + } + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil + }(v, w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(rx, w) + if err != nil { + return fmt.Errorf("failed to write pending future element: %w", err) + } + if write != nil { + return write(w) + } + return nil + }, nil + }(v.Trailers, w) + if err != nil { + return nil, fmt.Errorf("failed to write `trailers` field: %w", err) + } + if write1 != nil { + writes[1] = write1 + } + slog.Debug("writing field", "name", "method") + write2, err := (v.Method).WriteToIndex(w) + if err != nil { + return nil, fmt.Errorf("failed to write `method` field: %w", err) + } + if write2 != nil { + writes[2] = write2 + } + slog.Debug("writing field", "name", "path-with-query") + write3, err := func(v *string, w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(*v, w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(v.PathWithQuery, w) + if err != nil { + return nil, fmt.Errorf("failed to write `path-with-query` field: %w", err) + } + if write3 != nil { + writes[3] = write3 + } + slog.Debug("writing field", "name", "scheme") + write4, err := func(v *Scheme, w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := (v).WriteToIndex(w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(v.Scheme, w) + if err != nil { + return nil, fmt.Errorf("failed to write `scheme` field: %w", err) + } + if write4 != nil { + writes[4] = write4 + } + slog.Debug("writing field", "name", "authority") + write5, err := func(v *string, w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(*v, w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(v.Authority, w) + if err != nil { + return nil, fmt.Errorf("failed to write `authority` field: %w", err) + } + if write5 != nil { + writes[5] = write5 + } + slog.Debug("writing field", "name", "headers") + write6, err := func(v []*wrpc.Tuple2[string, [][]uint8], w interface { + io.ByteWriter + io.Writer + }) (write func(wrpc.IndexWriter) error, err error) { + n := len(v) + if n > math.MaxUint32 { + return nil, fmt.Errorf("list length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing list length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return nil, fmt.Errorf("failed to write list length of %d: %w", n, err) + } + slog.Debug("writing list elements") + writes := make(map[uint32]func(wrpc.IndexWriter) error, n) + for i, e := range v { + write, err := func(v *wrpc.Tuple2[string, [][]uint8], w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + writes := make(map[uint32]func(wrpc.IndexWriter) error, 2) + slog.Debug("writing tuple element 0") + write0, err := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(v.V0, w) + if err != nil { + return nil, fmt.Errorf("failed to write tuple element 0: %w", err) + } + if write0 != nil { + writes[0] = write0 + } + slog.Debug("writing tuple element 1") + write1, err := func(v [][]uint8, w interface { + io.ByteWriter + io.Writer + }) (write func(wrpc.IndexWriter) error, err error) { + n := len(v) + if n > math.MaxUint32 { + return nil, fmt.Errorf("list length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing list length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return nil, fmt.Errorf("failed to write list length of %d: %w", n, err) + } + slog.Debug("writing list elements") + writes := make(map[uint32]func(wrpc.IndexWriter) error, n) + for i, e := range v { + write, err := func(v []uint8, w interface { + io.ByteWriter + io.Writer + }) (write func(wrpc.IndexWriter) error, err error) { + n := len(v) + if n > math.MaxUint32 { + return nil, fmt.Errorf("list length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing list length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return nil, fmt.Errorf("failed to write list length of %d: %w", n, err) + } + slog.Debug("writing list elements") + writes := make(map[uint32]func(wrpc.IndexWriter) error, n) + for i, e := range v { + write, err := (func(wrpc.IndexWriter) error)(nil), func(v uint8, w io.ByteWriter) error { + slog.Debug("writing u8 byte") + return w.WriteByte(v) + }(e, w) + if err != nil { + return nil, fmt.Errorf("failed to write list element %d: %w", i, err) + } + if write != nil { + writes[uint32(i)] = write + } + } + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil + }(e, w) + if err != nil { + return nil, fmt.Errorf("failed to write list element %d: %w", i, err) + } + if write != nil { + writes[uint32(i)] = write + } + } + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil + }(v.V1, w) + if err != nil { + return nil, fmt.Errorf("failed to write tuple element 1: %w", err) + } + if write1 != nil { + writes[1] = write1 + } + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil + }(e, w) + if err != nil { + return nil, fmt.Errorf("failed to write list element %d: %w", i, err) + } + if write != nil { + writes[uint32(i)] = write + } + } + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil + }(v.Headers, w) + if err != nil { + return nil, fmt.Errorf("failed to write `headers` field: %w", err) + } + if write6 != nil { + writes[6] = write6 + } + + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil +} + +type Response struct { + Body io.Reader + Trailers wrpc.Receiver[[]*wrpc.Tuple2[string, [][]uint8]] + Status uint16 + Headers []*wrpc.Tuple2[string, [][]uint8] +} + +func (v *Response) String() string { return "Response" } + +func (v *Response) WriteToIndex(w wrpc.ByteWriter) (func(wrpc.IndexWriter) error, error) { + writes := make(map[uint32]func(wrpc.IndexWriter) error, 4) + slog.Debug("writing field", "name", "body") + write0, err := func(v io.Reader, w interface { + io.ByteWriter + io.Writer + }) (write func(wrpc.IndexWriter) error, err error) { + slog.Debug("writing byte stream `stream::pending` status byte") + if err = w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `stream::pending` byte: %w", err) + } + return func(w wrpc.IndexWriter) (err error) { + defer func() { + body, ok := v.(io.Closer) + if ok { + if cErr := body.Close(); cErr != nil { + if err == nil { + err = fmt.Errorf("failed to close pending byte stream: %w", cErr) + } else { + slog.Warn("failed to close pending byte stream", "err", cErr) + } + } + } + }() + chunk := make([]byte, 8096) + for { + var end bool + slog.Debug("reading pending byte stream contents") + n, err := v.Read(chunk) + if err == io.EOF { + end = true + slog.Debug("pending byte stream reached EOF") + } else if err != nil { + return fmt.Errorf("failed to read pending byte stream chunk: %w", err) + } + if n > math.MaxUint32 { + return fmt.Errorf("pending byte stream chunk length of %d overflows a 32-bit integer", n) + } + slog.Debug("writing pending byte stream chunk length", "len", n) + if err := wrpc.WriteUint32(uint32(n), w); err != nil { + return fmt.Errorf("failed to write pending byte stream chunk length of %d: %w", n, err) + } + _, err = w.Write(chunk[:n]) + if err != nil { + return fmt.Errorf("failed to write pending byte stream chunk contents: %w", err) + } + if end { + if err := w.WriteByte(0); err != nil { + return fmt.Errorf("failed to write pending byte stream end byte: %w", err) + } + return nil + } + } + }, nil + }(v.Body, w) + if err != nil { + return nil, fmt.Errorf("failed to write `body` field: %w", err) + } + if write0 != nil { + writes[0] = write0 + } + slog.Debug("writing field", "name", "trailers") + write1, err := func(v wrpc.Receiver[[]*wrpc.Tuple2[string, [][]uint8]], w interface { + io.ByteWriter + io.Writer + }) (write func(wrpc.IndexWriter) error, err error) { + slog.Debug("writing future `future::pending` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `future::pending` byte: %w", err) + } + return func(w wrpc.IndexWriter) (err error) { + defer func() { + body, ok := v.(io.Closer) + if ok { + if cErr := body.Close(); cErr != nil { + if err == nil { + err = fmt.Errorf("failed to close pending future: %w", cErr) + } else { + slog.Warn("failed to close pending future", "err", cErr) + } + } + } + }() + slog.Debug("receiving outgoing pending future contents") + rx, err := v.Receive() + if err != nil { + return fmt.Errorf("failed to receive outgoing pending future: %w", err) + } + slog.Debug("writing pending future element") + write, err := func(v []*wrpc.Tuple2[string, [][]uint8], w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + if v == nil { + slog.Debug("writing `option::none` status byte") + if err := w.WriteByte(0); err != nil { + return nil, fmt.Errorf("failed to write `option::none` byte: %w", err) + } + return nil, nil + } + slog.Debug("writing `option::some` status byte") + if err := w.WriteByte(1); err != nil { + return nil, fmt.Errorf("failed to write `option::some` status byte: %w", err) + } + slog.Debug("writing `option::some` payload") + write, err := func(v []*wrpc.Tuple2[string, [][]uint8], w interface { + io.ByteWriter + io.Writer + }) (write func(wrpc.IndexWriter) error, err error) { + n := len(v) + if n > math.MaxUint32 { + return nil, fmt.Errorf("list length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing list length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return nil, fmt.Errorf("failed to write list length of %d: %w", n, err) + } + slog.Debug("writing list elements") + writes := make(map[uint32]func(wrpc.IndexWriter) error, n) + for i, e := range v { + write, err := func(v *wrpc.Tuple2[string, [][]uint8], w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + writes := make(map[uint32]func(wrpc.IndexWriter) error, 2) + slog.Debug("writing tuple element 0") + write0, err := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(v.V0, w) + if err != nil { + return nil, fmt.Errorf("failed to write tuple element 0: %w", err) + } + if write0 != nil { + writes[0] = write0 + } + slog.Debug("writing tuple element 1") + write1, err := func(v [][]uint8, w interface { + io.ByteWriter + io.Writer + }) (write func(wrpc.IndexWriter) error, err error) { + n := len(v) + if n > math.MaxUint32 { + return nil, fmt.Errorf("list length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing list length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return nil, fmt.Errorf("failed to write list length of %d: %w", n, err) + } + slog.Debug("writing list elements") + writes := make(map[uint32]func(wrpc.IndexWriter) error, n) + for i, e := range v { + write, err := func(v []uint8, w interface { + io.ByteWriter + io.Writer + }) (write func(wrpc.IndexWriter) error, err error) { + n := len(v) + if n > math.MaxUint32 { + return nil, fmt.Errorf("list length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing list length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return nil, fmt.Errorf("failed to write list length of %d: %w", n, err) + } + slog.Debug("writing list elements") + writes := make(map[uint32]func(wrpc.IndexWriter) error, n) + for i, e := range v { + write, err := (func(wrpc.IndexWriter) error)(nil), func(v uint8, w io.ByteWriter) error { + slog.Debug("writing u8 byte") + return w.WriteByte(v) + }(e, w) + if err != nil { + return nil, fmt.Errorf("failed to write list element %d: %w", i, err) + } + if write != nil { + writes[uint32(i)] = write + } + } + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil + }(e, w) + if err != nil { + return nil, fmt.Errorf("failed to write list element %d: %w", i, err) + } + if write != nil { + writes[uint32(i)] = write + } + } + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil + }(v.V1, w) + if err != nil { + return nil, fmt.Errorf("failed to write tuple element 1: %w", err) + } + if write1 != nil { + writes[1] = write1 + } + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil + }(e, w) + if err != nil { + return nil, fmt.Errorf("failed to write list element %d: %w", i, err) + } + if write != nil { + writes[uint32(i)] = write + } + } + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil + }(v, w) + if err != nil { + return nil, fmt.Errorf("failed to write `option::some` payload: %w", err) + } + return write, nil + }(rx, w) + if err != nil { + return fmt.Errorf("failed to write pending future element: %w", err) + } + if write != nil { + return write(w) + } + return nil + }, nil + }(v.Trailers, w) + if err != nil { + return nil, fmt.Errorf("failed to write `trailers` field: %w", err) + } + if write1 != nil { + writes[1] = write1 + } + slog.Debug("writing field", "name", "status") + write2, err := (func(wrpc.IndexWriter) error)(nil), func(v uint16, w io.Writer) (err error) { + b := make([]byte, binary.MaxVarintLen16) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing u16") + _, err = w.Write(b[:i]) + return err + }(v.Status, w) + if err != nil { + return nil, fmt.Errorf("failed to write `status` field: %w", err) + } + if write2 != nil { + writes[2] = write2 + } + slog.Debug("writing field", "name", "headers") + write3, err := func(v []*wrpc.Tuple2[string, [][]uint8], w interface { + io.ByteWriter + io.Writer + }) (write func(wrpc.IndexWriter) error, err error) { + n := len(v) + if n > math.MaxUint32 { + return nil, fmt.Errorf("list length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing list length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return nil, fmt.Errorf("failed to write list length of %d: %w", n, err) + } + slog.Debug("writing list elements") + writes := make(map[uint32]func(wrpc.IndexWriter) error, n) + for i, e := range v { + write, err := func(v *wrpc.Tuple2[string, [][]uint8], w interface { + io.ByteWriter + io.Writer + }) (func(wrpc.IndexWriter) error, error) { + writes := make(map[uint32]func(wrpc.IndexWriter) error, 2) + slog.Debug("writing tuple element 0") + write0, err := (func(wrpc.IndexWriter) error)(nil), func(v string, w io.Writer) (err error) { + n := len(v) + if n > math.MaxUint32 { + return fmt.Errorf("string byte length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing string byte length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return fmt.Errorf("failed to write string byte length of %d: %w", n, err) + } + slog.Debug("writing string bytes") + _, err = w.Write([]byte(v)) + if err != nil { + return fmt.Errorf("failed to write string bytes: %w", err) + } + return nil + }(v.V0, w) + if err != nil { + return nil, fmt.Errorf("failed to write tuple element 0: %w", err) + } + if write0 != nil { + writes[0] = write0 + } + slog.Debug("writing tuple element 1") + write1, err := func(v [][]uint8, w interface { + io.ByteWriter + io.Writer + }) (write func(wrpc.IndexWriter) error, err error) { + n := len(v) + if n > math.MaxUint32 { + return nil, fmt.Errorf("list length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing list length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return nil, fmt.Errorf("failed to write list length of %d: %w", n, err) + } + slog.Debug("writing list elements") + writes := make(map[uint32]func(wrpc.IndexWriter) error, n) + for i, e := range v { + write, err := func(v []uint8, w interface { + io.ByteWriter + io.Writer + }) (write func(wrpc.IndexWriter) error, err error) { + n := len(v) + if n > math.MaxUint32 { + return nil, fmt.Errorf("list length of %d overflows a 32-bit integer", n) + } + if err = func(v int, w io.Writer) error { + b := make([]byte, binary.MaxVarintLen32) + i := binary.PutUvarint(b, uint64(v)) + slog.Debug("writing list length", "len", n) + _, err = w.Write(b[:i]) + return err + }(n, w); err != nil { + return nil, fmt.Errorf("failed to write list length of %d: %w", n, err) + } + slog.Debug("writing list elements") + writes := make(map[uint32]func(wrpc.IndexWriter) error, n) + for i, e := range v { + write, err := (func(wrpc.IndexWriter) error)(nil), func(v uint8, w io.ByteWriter) error { + slog.Debug("writing u8 byte") + return w.WriteByte(v) + }(e, w) + if err != nil { + return nil, fmt.Errorf("failed to write list element %d: %w", i, err) + } + if write != nil { + writes[uint32(i)] = write + } + } + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil + }(e, w) + if err != nil { + return nil, fmt.Errorf("failed to write list element %d: %w", i, err) + } + if write != nil { + writes[uint32(i)] = write + } + } + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil + }(v.V1, w) + if err != nil { + return nil, fmt.Errorf("failed to write tuple element 1: %w", err) + } + if write1 != nil { + writes[1] = write1 + } + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil + }(e, w) + if err != nil { + return nil, fmt.Errorf("failed to write list element %d: %w", i, err) + } + if write != nil { + writes[uint32(i)] = write + } + } + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil + }(v.Headers, w) + if err != nil { + return nil, fmt.Errorf("failed to write `headers` field: %w", err) + } + if write3 != nil { + writes[3] = write3 + } + + if len(writes) > 0 { + return func(w wrpc.IndexWriter) error { + var wg sync.WaitGroup + var wgErr atomic.Value + for index, write := range writes { + wg.Add(1) + w, err := w.Index(index) + if err != nil { + return fmt.Errorf("failed to index writer: %w", err) + } + write := write + go func() { + defer wg.Done() + if err := write(w); err != nil { + wgErr.Store(err) + } + }() + } + wg.Wait() + err := wgErr.Load() + if err == nil { + return nil + } + return err.(error) + }, nil + } + return nil, nil +} diff --git a/tools.go b/tools.go new file mode 100644 index 0000000..d118835 --- /dev/null +++ b/tools.go @@ -0,0 +1,3 @@ +package provider + +//go:generate wit-bindgen-wrpc go --out-dir internal --package go.wasmcloud.dev/provider/internal wit diff --git a/wit/deps.lock b/wit/deps.lock new file mode 100644 index 0000000..c0cc470 --- /dev/null +++ b/wit/deps.lock @@ -0,0 +1,33 @@ +[cli] +sha256 = "285865a31d777181b075f39e92bcfe59c89cd6bacce660be1b9a627646956258" +sha512 = "da2622210a9e3eea82b99f1a5b8a44ce5443d009cb943f7bca0bf9cf4360829b289913d7ee727c011f0f72994ea7dc8e661ebcc0a6b34b587297d80cd9b3f7e8" + +[clocks] +sha256 = "468b4d12892fe926b8eb5d398dbf579d566c93231fa44f415440572c695b7613" +sha512 = "e6b53a07221f1413953c9797c68f08b815fdaebf66419bbc1ea3e8b7dece73731062693634731f311a03957b268cf9cc509c518bd15e513c318aa04a8459b93a" + +[filesystem] +sha256 = "498c465cfd04587db40f970fff2185daa597d074c20b68a8bcbae558f261499b" +sha512 = "ead452f9b7bfb88593a502ec00d76d4228003d51c40fd0408aebc32d35c94673551b00230d730873361567cc209ec218c41fb4e95bad194268592c49e7964347" + +[http] +sha256 = "8f44402bde16c48e28c47dc53eab0b26af5b3b3482a1852cf77673e0880ba1c1" +sha512 = "760695f9a25c25bf75a25b731cb21c3bda9e288e450edda823324ecbc73d5d798bbb5de2edad999566980836f037463ee9e57d61789d04b3f3e381475b1a9a0f" + +[io] +sha256 = "7210e5653539a15478f894d4da24cc69d61924cbcba21d2804d69314a88e5a4c" +sha512 = "49184a1b0945a889abd52d25271172ed3dc2db6968fcdddb1bab7ee0081f4a3eeee0977ad2291126a37631c0d86eeea75d822fa8af224c422134500bf9f0f2bb" + +[random] +sha256 = "7371d03c037d924caba2587fb2e7c5773a0d3c5fcecbf7971e0e0ba57973c53d" +sha512 = "964c4e8925a53078e4d94ba907b54f89a0b7e154f46823a505391471466c17f53c8692682e5c85771712acd88b348686173fc07c53a3cfe3d301b8cd8ddd0de4" + +[sockets] +sha256 = "622bd28bbeb43736375dc02bd003fd3a016ff8ee91e14bab488325c6b38bf966" +sha512 = "5a63c1f36de0c4548e1d2297bdbededb28721cbad94ef7825c469eae29d7451c97e00b4c1d6730ee1ec0c4a5aac922961a2795762d4a0c3bb54e30a391a84bae" + +[wrpc-http] +url = "https://github.com/wrpc/http/archive/refs/tags/v0.1.0.tar.gz" +sha256 = "6400e08c1bd7ecc8836abd72a81ce8ad401f5b2bee5d80a6a6f808d04a72e83c" +sha512 = "da32546a03dc00b8ef8867c082ac5fc74b7cbb8b82f4e27a0de00bd2e010c776d0679bfa2563db294bda5bc27ebc62d5d8ab186328a3c62f2c49a8ea8754797d" +deps = ["cli", "clocks", "filesystem", "http", "io", "random", "sockets"] diff --git a/wit/deps.toml b/wit/deps.toml new file mode 100644 index 0000000..585ac50 --- /dev/null +++ b/wit/deps.toml @@ -0,0 +1 @@ +wrpc-http = "https://github.com/wrpc/http/archive/refs/tags/v0.1.0.tar.gz" diff --git a/wit/deps/cli/command.wit b/wit/deps/cli/command.wit new file mode 100644 index 0000000..d8005bd --- /dev/null +++ b/wit/deps/cli/command.wit @@ -0,0 +1,7 @@ +package wasi:cli@0.2.0; + +world command { + include imports; + + export run; +} diff --git a/wit/deps/cli/environment.wit b/wit/deps/cli/environment.wit new file mode 100644 index 0000000..7006523 --- /dev/null +++ b/wit/deps/cli/environment.wit @@ -0,0 +1,18 @@ +interface environment { + /// Get the POSIX-style environment variables. + /// + /// Each environment variable is provided as a pair of string variable names + /// and string value. + /// + /// Morally, these are a value import, but until value imports are available + /// in the component model, this import function should return the same + /// values each time it is called. + get-environment: func() -> list>; + + /// Get the POSIX-style arguments to the program. + get-arguments: func() -> list; + + /// Return a path that programs should use as their initial current working + /// directory, interpreting `.` as shorthand for this. + initial-cwd: func() -> option; +} diff --git a/wit/deps/cli/exit.wit b/wit/deps/cli/exit.wit new file mode 100644 index 0000000..d0c2b82 --- /dev/null +++ b/wit/deps/cli/exit.wit @@ -0,0 +1,4 @@ +interface exit { + /// Exit the current instance and any linked instances. + exit: func(status: result); +} diff --git a/wit/deps/cli/imports.wit b/wit/deps/cli/imports.wit new file mode 100644 index 0000000..083b84a --- /dev/null +++ b/wit/deps/cli/imports.wit @@ -0,0 +1,20 @@ +package wasi:cli@0.2.0; + +world imports { + include wasi:clocks/imports@0.2.0; + include wasi:filesystem/imports@0.2.0; + include wasi:sockets/imports@0.2.0; + include wasi:random/imports@0.2.0; + include wasi:io/imports@0.2.0; + + import environment; + import exit; + import stdin; + import stdout; + import stderr; + import terminal-input; + import terminal-output; + import terminal-stdin; + import terminal-stdout; + import terminal-stderr; +} diff --git a/wit/deps/cli/run.wit b/wit/deps/cli/run.wit new file mode 100644 index 0000000..a70ee8c --- /dev/null +++ b/wit/deps/cli/run.wit @@ -0,0 +1,4 @@ +interface run { + /// Run the program. + run: func() -> result; +} diff --git a/wit/deps/cli/stdio.wit b/wit/deps/cli/stdio.wit new file mode 100644 index 0000000..31ef35b --- /dev/null +++ b/wit/deps/cli/stdio.wit @@ -0,0 +1,17 @@ +interface stdin { + use wasi:io/streams@0.2.0.{input-stream}; + + get-stdin: func() -> input-stream; +} + +interface stdout { + use wasi:io/streams@0.2.0.{output-stream}; + + get-stdout: func() -> output-stream; +} + +interface stderr { + use wasi:io/streams@0.2.0.{output-stream}; + + get-stderr: func() -> output-stream; +} diff --git a/wit/deps/cli/terminal.wit b/wit/deps/cli/terminal.wit new file mode 100644 index 0000000..38c724e --- /dev/null +++ b/wit/deps/cli/terminal.wit @@ -0,0 +1,49 @@ +/// Terminal input. +/// +/// In the future, this may include functions for disabling echoing, +/// disabling input buffering so that keyboard events are sent through +/// immediately, querying supported features, and so on. +interface terminal-input { + /// The input side of a terminal. + resource terminal-input; +} + +/// Terminal output. +/// +/// In the future, this may include functions for querying the terminal +/// size, being notified of terminal size changes, querying supported +/// features, and so on. +interface terminal-output { + /// The output side of a terminal. + resource terminal-output; +} + +/// An interface providing an optional `terminal-input` for stdin as a +/// link-time authority. +interface terminal-stdin { + use terminal-input.{terminal-input}; + + /// If stdin is connected to a terminal, return a `terminal-input` handle + /// allowing further interaction with it. + get-terminal-stdin: func() -> option; +} + +/// An interface providing an optional `terminal-output` for stdout as a +/// link-time authority. +interface terminal-stdout { + use terminal-output.{terminal-output}; + + /// If stdout is connected to a terminal, return a `terminal-output` handle + /// allowing further interaction with it. + get-terminal-stdout: func() -> option; +} + +/// An interface providing an optional `terminal-output` for stderr as a +/// link-time authority. +interface terminal-stderr { + use terminal-output.{terminal-output}; + + /// If stderr is connected to a terminal, return a `terminal-output` handle + /// allowing further interaction with it. + get-terminal-stderr: func() -> option; +} diff --git a/wit/deps/clocks/monotonic-clock.wit b/wit/deps/clocks/monotonic-clock.wit new file mode 100644 index 0000000..4e4dc3a --- /dev/null +++ b/wit/deps/clocks/monotonic-clock.wit @@ -0,0 +1,45 @@ +package wasi:clocks@0.2.0; +/// WASI Monotonic Clock is a clock API intended to let users measure elapsed +/// time. +/// +/// It is intended to be portable at least between Unix-family platforms and +/// Windows. +/// +/// A monotonic clock is a clock which has an unspecified initial value, and +/// successive reads of the clock will produce non-decreasing values. +/// +/// It is intended for measuring elapsed time. +interface monotonic-clock { + use wasi:io/poll@0.2.0.{pollable}; + + /// An instant in time, in nanoseconds. An instant is relative to an + /// unspecified initial value, and can only be compared to instances from + /// the same monotonic-clock. + type instant = u64; + + /// A duration of time, in nanoseconds. + type duration = u64; + + /// Read the current value of the clock. + /// + /// The clock is monotonic, therefore calling this function repeatedly will + /// produce a sequence of non-decreasing values. + now: func() -> instant; + + /// Query the resolution of the clock. Returns the duration of time + /// corresponding to a clock tick. + resolution: func() -> duration; + + /// Create a `pollable` which will resolve once the specified instant + /// occured. + subscribe-instant: func( + when: instant, + ) -> pollable; + + /// Create a `pollable` which will resolve once the given duration has + /// elapsed, starting at the time at which this function was called. + /// occured. + subscribe-duration: func( + when: duration, + ) -> pollable; +} diff --git a/wit/deps/clocks/wall-clock.wit b/wit/deps/clocks/wall-clock.wit new file mode 100644 index 0000000..440ca0f --- /dev/null +++ b/wit/deps/clocks/wall-clock.wit @@ -0,0 +1,42 @@ +package wasi:clocks@0.2.0; +/// WASI Wall Clock is a clock API intended to let users query the current +/// time. The name "wall" makes an analogy to a "clock on the wall", which +/// is not necessarily monotonic as it may be reset. +/// +/// It is intended to be portable at least between Unix-family platforms and +/// Windows. +/// +/// A wall clock is a clock which measures the date and time according to +/// some external reference. +/// +/// External references may be reset, so this clock is not necessarily +/// monotonic, making it unsuitable for measuring elapsed time. +/// +/// It is intended for reporting the current date and time for humans. +interface wall-clock { + /// A time and date in seconds plus nanoseconds. + record datetime { + seconds: u64, + nanoseconds: u32, + } + + /// Read the current value of the clock. + /// + /// This clock is not monotonic, therefore calling this function repeatedly + /// will not necessarily produce a sequence of non-decreasing values. + /// + /// The returned timestamps represent the number of seconds since + /// 1970-01-01T00:00:00Z, also known as [POSIX's Seconds Since the Epoch], + /// also known as [Unix Time]. + /// + /// The nanoseconds field of the output is always less than 1000000000. + /// + /// [POSIX's Seconds Since the Epoch]: https://pubs.opengroup.org/onlinepubs/9699919799/xrat/V4_xbd_chap04.html#tag_21_04_16 + /// [Unix Time]: https://en.wikipedia.org/wiki/Unix_time + now: func() -> datetime; + + /// Query the resolution of the clock. + /// + /// The nanoseconds field of the output is always less than 1000000000. + resolution: func() -> datetime; +} diff --git a/wit/deps/clocks/world.wit b/wit/deps/clocks/world.wit new file mode 100644 index 0000000..c022457 --- /dev/null +++ b/wit/deps/clocks/world.wit @@ -0,0 +1,6 @@ +package wasi:clocks@0.2.0; + +world imports { + import monotonic-clock; + import wall-clock; +} diff --git a/wit/deps/filesystem/preopens.wit b/wit/deps/filesystem/preopens.wit new file mode 100644 index 0000000..da801f6 --- /dev/null +++ b/wit/deps/filesystem/preopens.wit @@ -0,0 +1,8 @@ +package wasi:filesystem@0.2.0; + +interface preopens { + use types.{descriptor}; + + /// Return the set of preopened directories, and their path. + get-directories: func() -> list>; +} diff --git a/wit/deps/filesystem/types.wit b/wit/deps/filesystem/types.wit new file mode 100644 index 0000000..11108fc --- /dev/null +++ b/wit/deps/filesystem/types.wit @@ -0,0 +1,634 @@ +package wasi:filesystem@0.2.0; +/// WASI filesystem is a filesystem API primarily intended to let users run WASI +/// programs that access their files on their existing filesystems, without +/// significant overhead. +/// +/// It is intended to be roughly portable between Unix-family platforms and +/// Windows, though it does not hide many of the major differences. +/// +/// Paths are passed as interface-type `string`s, meaning they must consist of +/// a sequence of Unicode Scalar Values (USVs). Some filesystems may contain +/// paths which are not accessible by this API. +/// +/// The directory separator in WASI is always the forward-slash (`/`). +/// +/// All paths in WASI are relative paths, and are interpreted relative to a +/// `descriptor` referring to a base directory. If a `path` argument to any WASI +/// function starts with `/`, or if any step of resolving a `path`, including +/// `..` and symbolic link steps, reaches a directory outside of the base +/// directory, or reaches a symlink to an absolute or rooted path in the +/// underlying filesystem, the function fails with `error-code::not-permitted`. +/// +/// For more information about WASI path resolution and sandboxing, see +/// [WASI filesystem path resolution]. +/// +/// [WASI filesystem path resolution]: https://github.com/WebAssembly/wasi-filesystem/blob/main/path-resolution.md +interface types { + use wasi:io/streams@0.2.0.{input-stream, output-stream, error}; + use wasi:clocks/wall-clock@0.2.0.{datetime}; + + /// File size or length of a region within a file. + type filesize = u64; + + /// The type of a filesystem object referenced by a descriptor. + /// + /// Note: This was called `filetype` in earlier versions of WASI. + enum descriptor-type { + /// The type of the descriptor or file is unknown or is different from + /// any of the other types specified. + unknown, + /// The descriptor refers to a block device inode. + block-device, + /// The descriptor refers to a character device inode. + character-device, + /// The descriptor refers to a directory inode. + directory, + /// The descriptor refers to a named pipe. + fifo, + /// The file refers to a symbolic link inode. + symbolic-link, + /// The descriptor refers to a regular file inode. + regular-file, + /// The descriptor refers to a socket. + socket, + } + + /// Descriptor flags. + /// + /// Note: This was called `fdflags` in earlier versions of WASI. + flags descriptor-flags { + /// Read mode: Data can be read. + read, + /// Write mode: Data can be written to. + write, + /// Request that writes be performed according to synchronized I/O file + /// integrity completion. The data stored in the file and the file's + /// metadata are synchronized. This is similar to `O_SYNC` in POSIX. + /// + /// The precise semantics of this operation have not yet been defined for + /// WASI. At this time, it should be interpreted as a request, and not a + /// requirement. + file-integrity-sync, + /// Request that writes be performed according to synchronized I/O data + /// integrity completion. Only the data stored in the file is + /// synchronized. This is similar to `O_DSYNC` in POSIX. + /// + /// The precise semantics of this operation have not yet been defined for + /// WASI. At this time, it should be interpreted as a request, and not a + /// requirement. + data-integrity-sync, + /// Requests that reads be performed at the same level of integrety + /// requested for writes. This is similar to `O_RSYNC` in POSIX. + /// + /// The precise semantics of this operation have not yet been defined for + /// WASI. At this time, it should be interpreted as a request, and not a + /// requirement. + requested-write-sync, + /// Mutating directories mode: Directory contents may be mutated. + /// + /// When this flag is unset on a descriptor, operations using the + /// descriptor which would create, rename, delete, modify the data or + /// metadata of filesystem objects, or obtain another handle which + /// would permit any of those, shall fail with `error-code::read-only` if + /// they would otherwise succeed. + /// + /// This may only be set on directories. + mutate-directory, + } + + /// File attributes. + /// + /// Note: This was called `filestat` in earlier versions of WASI. + record descriptor-stat { + /// File type. + %type: descriptor-type, + /// Number of hard links to the file. + link-count: link-count, + /// For regular files, the file size in bytes. For symbolic links, the + /// length in bytes of the pathname contained in the symbolic link. + size: filesize, + /// Last data access timestamp. + /// + /// If the `option` is none, the platform doesn't maintain an access + /// timestamp for this file. + data-access-timestamp: option, + /// Last data modification timestamp. + /// + /// If the `option` is none, the platform doesn't maintain a + /// modification timestamp for this file. + data-modification-timestamp: option, + /// Last file status-change timestamp. + /// + /// If the `option` is none, the platform doesn't maintain a + /// status-change timestamp for this file. + status-change-timestamp: option, + } + + /// Flags determining the method of how paths are resolved. + flags path-flags { + /// As long as the resolved path corresponds to a symbolic link, it is + /// expanded. + symlink-follow, + } + + /// Open flags used by `open-at`. + flags open-flags { + /// Create file if it does not exist, similar to `O_CREAT` in POSIX. + create, + /// Fail if not a directory, similar to `O_DIRECTORY` in POSIX. + directory, + /// Fail if file already exists, similar to `O_EXCL` in POSIX. + exclusive, + /// Truncate file to size 0, similar to `O_TRUNC` in POSIX. + truncate, + } + + /// Number of hard links to an inode. + type link-count = u64; + + /// When setting a timestamp, this gives the value to set it to. + variant new-timestamp { + /// Leave the timestamp set to its previous value. + no-change, + /// Set the timestamp to the current time of the system clock associated + /// with the filesystem. + now, + /// Set the timestamp to the given value. + timestamp(datetime), + } + + /// A directory entry. + record directory-entry { + /// The type of the file referred to by this directory entry. + %type: descriptor-type, + + /// The name of the object. + name: string, + } + + /// Error codes returned by functions, similar to `errno` in POSIX. + /// Not all of these error codes are returned by the functions provided by this + /// API; some are used in higher-level library layers, and others are provided + /// merely for alignment with POSIX. + enum error-code { + /// Permission denied, similar to `EACCES` in POSIX. + access, + /// Resource unavailable, or operation would block, similar to `EAGAIN` and `EWOULDBLOCK` in POSIX. + would-block, + /// Connection already in progress, similar to `EALREADY` in POSIX. + already, + /// Bad descriptor, similar to `EBADF` in POSIX. + bad-descriptor, + /// Device or resource busy, similar to `EBUSY` in POSIX. + busy, + /// Resource deadlock would occur, similar to `EDEADLK` in POSIX. + deadlock, + /// Storage quota exceeded, similar to `EDQUOT` in POSIX. + quota, + /// File exists, similar to `EEXIST` in POSIX. + exist, + /// File too large, similar to `EFBIG` in POSIX. + file-too-large, + /// Illegal byte sequence, similar to `EILSEQ` in POSIX. + illegal-byte-sequence, + /// Operation in progress, similar to `EINPROGRESS` in POSIX. + in-progress, + /// Interrupted function, similar to `EINTR` in POSIX. + interrupted, + /// Invalid argument, similar to `EINVAL` in POSIX. + invalid, + /// I/O error, similar to `EIO` in POSIX. + io, + /// Is a directory, similar to `EISDIR` in POSIX. + is-directory, + /// Too many levels of symbolic links, similar to `ELOOP` in POSIX. + loop, + /// Too many links, similar to `EMLINK` in POSIX. + too-many-links, + /// Message too large, similar to `EMSGSIZE` in POSIX. + message-size, + /// Filename too long, similar to `ENAMETOOLONG` in POSIX. + name-too-long, + /// No such device, similar to `ENODEV` in POSIX. + no-device, + /// No such file or directory, similar to `ENOENT` in POSIX. + no-entry, + /// No locks available, similar to `ENOLCK` in POSIX. + no-lock, + /// Not enough space, similar to `ENOMEM` in POSIX. + insufficient-memory, + /// No space left on device, similar to `ENOSPC` in POSIX. + insufficient-space, + /// Not a directory or a symbolic link to a directory, similar to `ENOTDIR` in POSIX. + not-directory, + /// Directory not empty, similar to `ENOTEMPTY` in POSIX. + not-empty, + /// State not recoverable, similar to `ENOTRECOVERABLE` in POSIX. + not-recoverable, + /// Not supported, similar to `ENOTSUP` and `ENOSYS` in POSIX. + unsupported, + /// Inappropriate I/O control operation, similar to `ENOTTY` in POSIX. + no-tty, + /// No such device or address, similar to `ENXIO` in POSIX. + no-such-device, + /// Value too large to be stored in data type, similar to `EOVERFLOW` in POSIX. + overflow, + /// Operation not permitted, similar to `EPERM` in POSIX. + not-permitted, + /// Broken pipe, similar to `EPIPE` in POSIX. + pipe, + /// Read-only file system, similar to `EROFS` in POSIX. + read-only, + /// Invalid seek, similar to `ESPIPE` in POSIX. + invalid-seek, + /// Text file busy, similar to `ETXTBSY` in POSIX. + text-file-busy, + /// Cross-device link, similar to `EXDEV` in POSIX. + cross-device, + } + + /// File or memory access pattern advisory information. + enum advice { + /// The application has no advice to give on its behavior with respect + /// to the specified data. + normal, + /// The application expects to access the specified data sequentially + /// from lower offsets to higher offsets. + sequential, + /// The application expects to access the specified data in a random + /// order. + random, + /// The application expects to access the specified data in the near + /// future. + will-need, + /// The application expects that it will not access the specified data + /// in the near future. + dont-need, + /// The application expects to access the specified data once and then + /// not reuse it thereafter. + no-reuse, + } + + /// A 128-bit hash value, split into parts because wasm doesn't have a + /// 128-bit integer type. + record metadata-hash-value { + /// 64 bits of a 128-bit hash value. + lower: u64, + /// Another 64 bits of a 128-bit hash value. + upper: u64, + } + + /// A descriptor is a reference to a filesystem object, which may be a file, + /// directory, named pipe, special file, or other object on which filesystem + /// calls may be made. + resource descriptor { + /// Return a stream for reading from a file, if available. + /// + /// May fail with an error-code describing why the file cannot be read. + /// + /// Multiple read, write, and append streams may be active on the same open + /// file and they do not interfere with each other. + /// + /// Note: This allows using `read-stream`, which is similar to `read` in POSIX. + read-via-stream: func( + /// The offset within the file at which to start reading. + offset: filesize, + ) -> result; + + /// Return a stream for writing to a file, if available. + /// + /// May fail with an error-code describing why the file cannot be written. + /// + /// Note: This allows using `write-stream`, which is similar to `write` in + /// POSIX. + write-via-stream: func( + /// The offset within the file at which to start writing. + offset: filesize, + ) -> result; + + /// Return a stream for appending to a file, if available. + /// + /// May fail with an error-code describing why the file cannot be appended. + /// + /// Note: This allows using `write-stream`, which is similar to `write` with + /// `O_APPEND` in in POSIX. + append-via-stream: func() -> result; + + /// Provide file advisory information on a descriptor. + /// + /// This is similar to `posix_fadvise` in POSIX. + advise: func( + /// The offset within the file to which the advisory applies. + offset: filesize, + /// The length of the region to which the advisory applies. + length: filesize, + /// The advice. + advice: advice + ) -> result<_, error-code>; + + /// Synchronize the data of a file to disk. + /// + /// This function succeeds with no effect if the file descriptor is not + /// opened for writing. + /// + /// Note: This is similar to `fdatasync` in POSIX. + sync-data: func() -> result<_, error-code>; + + /// Get flags associated with a descriptor. + /// + /// Note: This returns similar flags to `fcntl(fd, F_GETFL)` in POSIX. + /// + /// Note: This returns the value that was the `fs_flags` value returned + /// from `fdstat_get` in earlier versions of WASI. + get-flags: func() -> result; + + /// Get the dynamic type of a descriptor. + /// + /// Note: This returns the same value as the `type` field of the `fd-stat` + /// returned by `stat`, `stat-at` and similar. + /// + /// Note: This returns similar flags to the `st_mode & S_IFMT` value provided + /// by `fstat` in POSIX. + /// + /// Note: This returns the value that was the `fs_filetype` value returned + /// from `fdstat_get` in earlier versions of WASI. + get-type: func() -> result; + + /// Adjust the size of an open file. If this increases the file's size, the + /// extra bytes are filled with zeros. + /// + /// Note: This was called `fd_filestat_set_size` in earlier versions of WASI. + set-size: func(size: filesize) -> result<_, error-code>; + + /// Adjust the timestamps of an open file or directory. + /// + /// Note: This is similar to `futimens` in POSIX. + /// + /// Note: This was called `fd_filestat_set_times` in earlier versions of WASI. + set-times: func( + /// The desired values of the data access timestamp. + data-access-timestamp: new-timestamp, + /// The desired values of the data modification timestamp. + data-modification-timestamp: new-timestamp, + ) -> result<_, error-code>; + + /// Read from a descriptor, without using and updating the descriptor's offset. + /// + /// This function returns a list of bytes containing the data that was + /// read, along with a bool which, when true, indicates that the end of the + /// file was reached. The returned list will contain up to `length` bytes; it + /// may return fewer than requested, if the end of the file is reached or + /// if the I/O operation is interrupted. + /// + /// In the future, this may change to return a `stream`. + /// + /// Note: This is similar to `pread` in POSIX. + read: func( + /// The maximum number of bytes to read. + length: filesize, + /// The offset within the file at which to read. + offset: filesize, + ) -> result, bool>, error-code>; + + /// Write to a descriptor, without using and updating the descriptor's offset. + /// + /// It is valid to write past the end of a file; the file is extended to the + /// extent of the write, with bytes between the previous end and the start of + /// the write set to zero. + /// + /// In the future, this may change to take a `stream`. + /// + /// Note: This is similar to `pwrite` in POSIX. + write: func( + /// Data to write + buffer: list, + /// The offset within the file at which to write. + offset: filesize, + ) -> result; + + /// Read directory entries from a directory. + /// + /// On filesystems where directories contain entries referring to themselves + /// and their parents, often named `.` and `..` respectively, these entries + /// are omitted. + /// + /// This always returns a new stream which starts at the beginning of the + /// directory. Multiple streams may be active on the same directory, and they + /// do not interfere with each other. + read-directory: func() -> result; + + /// Synchronize the data and metadata of a file to disk. + /// + /// This function succeeds with no effect if the file descriptor is not + /// opened for writing. + /// + /// Note: This is similar to `fsync` in POSIX. + sync: func() -> result<_, error-code>; + + /// Create a directory. + /// + /// Note: This is similar to `mkdirat` in POSIX. + create-directory-at: func( + /// The relative path at which to create the directory. + path: string, + ) -> result<_, error-code>; + + /// Return the attributes of an open file or directory. + /// + /// Note: This is similar to `fstat` in POSIX, except that it does not return + /// device and inode information. For testing whether two descriptors refer to + /// the same underlying filesystem object, use `is-same-object`. To obtain + /// additional data that can be used do determine whether a file has been + /// modified, use `metadata-hash`. + /// + /// Note: This was called `fd_filestat_get` in earlier versions of WASI. + stat: func() -> result; + + /// Return the attributes of a file or directory. + /// + /// Note: This is similar to `fstatat` in POSIX, except that it does not + /// return device and inode information. See the `stat` description for a + /// discussion of alternatives. + /// + /// Note: This was called `path_filestat_get` in earlier versions of WASI. + stat-at: func( + /// Flags determining the method of how the path is resolved. + path-flags: path-flags, + /// The relative path of the file or directory to inspect. + path: string, + ) -> result; + + /// Adjust the timestamps of a file or directory. + /// + /// Note: This is similar to `utimensat` in POSIX. + /// + /// Note: This was called `path_filestat_set_times` in earlier versions of + /// WASI. + set-times-at: func( + /// Flags determining the method of how the path is resolved. + path-flags: path-flags, + /// The relative path of the file or directory to operate on. + path: string, + /// The desired values of the data access timestamp. + data-access-timestamp: new-timestamp, + /// The desired values of the data modification timestamp. + data-modification-timestamp: new-timestamp, + ) -> result<_, error-code>; + + /// Create a hard link. + /// + /// Note: This is similar to `linkat` in POSIX. + link-at: func( + /// Flags determining the method of how the path is resolved. + old-path-flags: path-flags, + /// The relative source path from which to link. + old-path: string, + /// The base directory for `new-path`. + new-descriptor: borrow, + /// The relative destination path at which to create the hard link. + new-path: string, + ) -> result<_, error-code>; + + /// Open a file or directory. + /// + /// The returned descriptor is not guaranteed to be the lowest-numbered + /// descriptor not currently open/ it is randomized to prevent applications + /// from depending on making assumptions about indexes, since this is + /// error-prone in multi-threaded contexts. The returned descriptor is + /// guaranteed to be less than 2**31. + /// + /// If `flags` contains `descriptor-flags::mutate-directory`, and the base + /// descriptor doesn't have `descriptor-flags::mutate-directory` set, + /// `open-at` fails with `error-code::read-only`. + /// + /// If `flags` contains `write` or `mutate-directory`, or `open-flags` + /// contains `truncate` or `create`, and the base descriptor doesn't have + /// `descriptor-flags::mutate-directory` set, `open-at` fails with + /// `error-code::read-only`. + /// + /// Note: This is similar to `openat` in POSIX. + open-at: func( + /// Flags determining the method of how the path is resolved. + path-flags: path-flags, + /// The relative path of the object to open. + path: string, + /// The method by which to open the file. + open-flags: open-flags, + /// Flags to use for the resulting descriptor. + %flags: descriptor-flags, + ) -> result; + + /// Read the contents of a symbolic link. + /// + /// If the contents contain an absolute or rooted path in the underlying + /// filesystem, this function fails with `error-code::not-permitted`. + /// + /// Note: This is similar to `readlinkat` in POSIX. + readlink-at: func( + /// The relative path of the symbolic link from which to read. + path: string, + ) -> result; + + /// Remove a directory. + /// + /// Return `error-code::not-empty` if the directory is not empty. + /// + /// Note: This is similar to `unlinkat(fd, path, AT_REMOVEDIR)` in POSIX. + remove-directory-at: func( + /// The relative path to a directory to remove. + path: string, + ) -> result<_, error-code>; + + /// Rename a filesystem object. + /// + /// Note: This is similar to `renameat` in POSIX. + rename-at: func( + /// The relative source path of the file or directory to rename. + old-path: string, + /// The base directory for `new-path`. + new-descriptor: borrow, + /// The relative destination path to which to rename the file or directory. + new-path: string, + ) -> result<_, error-code>; + + /// Create a symbolic link (also known as a "symlink"). + /// + /// If `old-path` starts with `/`, the function fails with + /// `error-code::not-permitted`. + /// + /// Note: This is similar to `symlinkat` in POSIX. + symlink-at: func( + /// The contents of the symbolic link. + old-path: string, + /// The relative destination path at which to create the symbolic link. + new-path: string, + ) -> result<_, error-code>; + + /// Unlink a filesystem object that is not a directory. + /// + /// Return `error-code::is-directory` if the path refers to a directory. + /// Note: This is similar to `unlinkat(fd, path, 0)` in POSIX. + unlink-file-at: func( + /// The relative path to a file to unlink. + path: string, + ) -> result<_, error-code>; + + /// Test whether two descriptors refer to the same filesystem object. + /// + /// In POSIX, this corresponds to testing whether the two descriptors have the + /// same device (`st_dev`) and inode (`st_ino` or `d_ino`) numbers. + /// wasi-filesystem does not expose device and inode numbers, so this function + /// may be used instead. + is-same-object: func(other: borrow) -> bool; + + /// Return a hash of the metadata associated with a filesystem object referred + /// to by a descriptor. + /// + /// This returns a hash of the last-modification timestamp and file size, and + /// may also include the inode number, device number, birth timestamp, and + /// other metadata fields that may change when the file is modified or + /// replaced. It may also include a secret value chosen by the + /// implementation and not otherwise exposed. + /// + /// Implementations are encourated to provide the following properties: + /// + /// - If the file is not modified or replaced, the computed hash value should + /// usually not change. + /// - If the object is modified or replaced, the computed hash value should + /// usually change. + /// - The inputs to the hash should not be easily computable from the + /// computed hash. + /// + /// However, none of these is required. + metadata-hash: func() -> result; + + /// Return a hash of the metadata associated with a filesystem object referred + /// to by a directory descriptor and a relative path. + /// + /// This performs the same hash computation as `metadata-hash`. + metadata-hash-at: func( + /// Flags determining the method of how the path is resolved. + path-flags: path-flags, + /// The relative path of the file or directory to inspect. + path: string, + ) -> result; + } + + /// A stream of directory entries. + resource directory-entry-stream { + /// Read a single directory entry from a `directory-entry-stream`. + read-directory-entry: func() -> result, error-code>; + } + + /// Attempts to extract a filesystem-related `error-code` from the stream + /// `error` provided. + /// + /// Stream operations which return `stream-error::last-operation-failed` + /// have a payload with more information about the operation that failed. + /// This payload can be passed through to this function to see if there's + /// filesystem-related information about the error to return. + /// + /// Note that this function is fallible because not all stream-related + /// errors are filesystem-related errors. + filesystem-error-code: func(err: borrow) -> option; +} diff --git a/wit/deps/filesystem/world.wit b/wit/deps/filesystem/world.wit new file mode 100644 index 0000000..663f579 --- /dev/null +++ b/wit/deps/filesystem/world.wit @@ -0,0 +1,6 @@ +package wasi:filesystem@0.2.0; + +world imports { + import types; + import preopens; +} diff --git a/wit/deps/http/handler.wit b/wit/deps/http/handler.wit new file mode 100644 index 0000000..a34a064 --- /dev/null +++ b/wit/deps/http/handler.wit @@ -0,0 +1,43 @@ +/// This interface defines a handler of incoming HTTP Requests. It should +/// be exported by components which can respond to HTTP Requests. +interface incoming-handler { + use types.{incoming-request, response-outparam}; + + /// This function is invoked with an incoming HTTP Request, and a resource + /// `response-outparam` which provides the capability to reply with an HTTP + /// Response. The response is sent by calling the `response-outparam.set` + /// method, which allows execution to continue after the response has been + /// sent. This enables both streaming to the response body, and performing other + /// work. + /// + /// The implementor of this function must write a response to the + /// `response-outparam` before returning, or else the caller will respond + /// with an error on its behalf. + handle: func( + request: incoming-request, + response-out: response-outparam + ); +} + +/// This interface defines a handler of outgoing HTTP Requests. It should be +/// imported by components which wish to make HTTP Requests. +interface outgoing-handler { + use types.{ + outgoing-request, request-options, future-incoming-response, error-code + }; + + /// This function is invoked with an outgoing HTTP Request, and it returns + /// a resource `future-incoming-response` which represents an HTTP Response + /// which may arrive in the future. + /// + /// The `options` argument accepts optional parameters for the HTTP + /// protocol's transport layer. + /// + /// This function may return an error if the `outgoing-request` is invalid + /// or not allowed to be made. Otherwise, protocol errors are reported + /// through the `future-incoming-response`. + handle: func( + request: outgoing-request, + options: option + ) -> result; +} diff --git a/wit/deps/http/proxy.wit b/wit/deps/http/proxy.wit new file mode 100644 index 0000000..687c24d --- /dev/null +++ b/wit/deps/http/proxy.wit @@ -0,0 +1,32 @@ +package wasi:http@0.2.0; + +/// The `wasi:http/proxy` world captures a widely-implementable intersection of +/// hosts that includes HTTP forward and reverse proxies. Components targeting +/// this world may concurrently stream in and out any number of incoming and +/// outgoing HTTP requests. +world proxy { + /// HTTP proxies have access to time and randomness. + include wasi:clocks/imports@0.2.0; + import wasi:random/random@0.2.0; + + /// Proxies have standard output and error streams which are expected to + /// terminate in a developer-facing console provided by the host. + import wasi:cli/stdout@0.2.0; + import wasi:cli/stderr@0.2.0; + + /// TODO: this is a temporary workaround until component tooling is able to + /// gracefully handle the absence of stdin. Hosts must return an eof stream + /// for this import, which is what wasi-libc + tooling will do automatically + /// when this import is properly removed. + import wasi:cli/stdin@0.2.0; + + /// This is the default handler to use when user code simply wants to make an + /// HTTP request (e.g., via `fetch()`). + import outgoing-handler; + + /// The host delivers incoming HTTP requests to a component by calling the + /// `handle` function of this exported interface. A host may arbitrarily reuse + /// or not reuse component instance when delivering incoming HTTP requests and + /// thus a component must be able to handle 0..N calls to `handle`. + export incoming-handler; +} diff --git a/wit/deps/http/types.wit b/wit/deps/http/types.wit new file mode 100644 index 0000000..755ac6a --- /dev/null +++ b/wit/deps/http/types.wit @@ -0,0 +1,570 @@ +/// This interface defines all of the types and methods for implementing +/// HTTP Requests and Responses, both incoming and outgoing, as well as +/// their headers, trailers, and bodies. +interface types { + use wasi:clocks/monotonic-clock@0.2.0.{duration}; + use wasi:io/streams@0.2.0.{input-stream, output-stream}; + use wasi:io/error@0.2.0.{error as io-error}; + use wasi:io/poll@0.2.0.{pollable}; + + /// This type corresponds to HTTP standard Methods. + variant method { + get, + head, + post, + put, + delete, + connect, + options, + trace, + patch, + other(string) + } + + /// This type corresponds to HTTP standard Related Schemes. + variant scheme { + HTTP, + HTTPS, + other(string) + } + + /// These cases are inspired by the IANA HTTP Proxy Error Types: + /// https://www.iana.org/assignments/http-proxy-status/http-proxy-status.xhtml#table-http-proxy-error-types + variant error-code { + DNS-timeout, + DNS-error(DNS-error-payload), + destination-not-found, + destination-unavailable, + destination-IP-prohibited, + destination-IP-unroutable, + connection-refused, + connection-terminated, + connection-timeout, + connection-read-timeout, + connection-write-timeout, + connection-limit-reached, + TLS-protocol-error, + TLS-certificate-error, + TLS-alert-received(TLS-alert-received-payload), + HTTP-request-denied, + HTTP-request-length-required, + HTTP-request-body-size(option), + HTTP-request-method-invalid, + HTTP-request-URI-invalid, + HTTP-request-URI-too-long, + HTTP-request-header-section-size(option), + HTTP-request-header-size(option), + HTTP-request-trailer-section-size(option), + HTTP-request-trailer-size(field-size-payload), + HTTP-response-incomplete, + HTTP-response-header-section-size(option), + HTTP-response-header-size(field-size-payload), + HTTP-response-body-size(option), + HTTP-response-trailer-section-size(option), + HTTP-response-trailer-size(field-size-payload), + HTTP-response-transfer-coding(option), + HTTP-response-content-coding(option), + HTTP-response-timeout, + HTTP-upgrade-failed, + HTTP-protocol-error, + loop-detected, + configuration-error, + /// This is a catch-all error for anything that doesn't fit cleanly into a + /// more specific case. It also includes an optional string for an + /// unstructured description of the error. Users should not depend on the + /// string for diagnosing errors, as it's not required to be consistent + /// between implementations. + internal-error(option) + } + + /// Defines the case payload type for `DNS-error` above: + record DNS-error-payload { + rcode: option, + info-code: option + } + + /// Defines the case payload type for `TLS-alert-received` above: + record TLS-alert-received-payload { + alert-id: option, + alert-message: option + } + + /// Defines the case payload type for `HTTP-response-{header,trailer}-size` above: + record field-size-payload { + field-name: option, + field-size: option + } + + /// Attempts to extract a http-related `error` from the wasi:io `error` + /// provided. + /// + /// Stream operations which return + /// `wasi:io/stream/stream-error::last-operation-failed` have a payload of + /// type `wasi:io/error/error` with more information about the operation + /// that failed. This payload can be passed through to this function to see + /// if there's http-related information about the error to return. + /// + /// Note that this function is fallible because not all io-errors are + /// http-related errors. + http-error-code: func(err: borrow) -> option; + + /// This type enumerates the different kinds of errors that may occur when + /// setting or appending to a `fields` resource. + variant header-error { + /// This error indicates that a `field-key` or `field-value` was + /// syntactically invalid when used with an operation that sets headers in a + /// `fields`. + invalid-syntax, + + /// This error indicates that a forbidden `field-key` was used when trying + /// to set a header in a `fields`. + forbidden, + + /// This error indicates that the operation on the `fields` was not + /// permitted because the fields are immutable. + immutable, + } + + /// Field keys are always strings. + type field-key = string; + + /// Field values should always be ASCII strings. However, in + /// reality, HTTP implementations often have to interpret malformed values, + /// so they are provided as a list of bytes. + type field-value = list; + + /// This following block defines the `fields` resource which corresponds to + /// HTTP standard Fields. Fields are a common representation used for both + /// Headers and Trailers. + /// + /// A `fields` may be mutable or immutable. A `fields` created using the + /// constructor, `from-list`, or `clone` will be mutable, but a `fields` + /// resource given by other means (including, but not limited to, + /// `incoming-request.headers`, `outgoing-request.headers`) might be be + /// immutable. In an immutable fields, the `set`, `append`, and `delete` + /// operations will fail with `header-error.immutable`. + resource fields { + + /// Construct an empty HTTP Fields. + /// + /// The resulting `fields` is mutable. + constructor(); + + /// Construct an HTTP Fields. + /// + /// The resulting `fields` is mutable. + /// + /// The list represents each key-value pair in the Fields. Keys + /// which have multiple values are represented by multiple entries in this + /// list with the same key. + /// + /// The tuple is a pair of the field key, represented as a string, and + /// Value, represented as a list of bytes. In a valid Fields, all keys + /// and values are valid UTF-8 strings. However, values are not always + /// well-formed, so they are represented as a raw list of bytes. + /// + /// An error result will be returned if any header or value was + /// syntactically invalid, or if a header was forbidden. + from-list: static func( + entries: list> + ) -> result; + + /// Get all of the values corresponding to a key. If the key is not present + /// in this `fields`, an empty list is returned. However, if the key is + /// present but empty, this is represented by a list with one or more + /// empty field-values present. + get: func(name: field-key) -> list; + + /// Returns `true` when the key is present in this `fields`. If the key is + /// syntactically invalid, `false` is returned. + has: func(name: field-key) -> bool; + + /// Set all of the values for a key. Clears any existing values for that + /// key, if they have been set. + /// + /// Fails with `header-error.immutable` if the `fields` are immutable. + set: func(name: field-key, value: list) -> result<_, header-error>; + + /// Delete all values for a key. Does nothing if no values for the key + /// exist. + /// + /// Fails with `header-error.immutable` if the `fields` are immutable. + delete: func(name: field-key) -> result<_, header-error>; + + /// Append a value for a key. Does not change or delete any existing + /// values for that key. + /// + /// Fails with `header-error.immutable` if the `fields` are immutable. + append: func(name: field-key, value: field-value) -> result<_, header-error>; + + /// Retrieve the full set of keys and values in the Fields. Like the + /// constructor, the list represents each key-value pair. + /// + /// The outer list represents each key-value pair in the Fields. Keys + /// which have multiple values are represented by multiple entries in this + /// list with the same key. + entries: func() -> list>; + + /// Make a deep copy of the Fields. Equivelant in behavior to calling the + /// `fields` constructor on the return value of `entries`. The resulting + /// `fields` is mutable. + clone: func() -> fields; + } + + /// Headers is an alias for Fields. + type headers = fields; + + /// Trailers is an alias for Fields. + type trailers = fields; + + /// Represents an incoming HTTP Request. + resource incoming-request { + + /// Returns the method of the incoming request. + method: func() -> method; + + /// Returns the path with query parameters from the request, as a string. + path-with-query: func() -> option; + + /// Returns the protocol scheme from the request. + scheme: func() -> option; + + /// Returns the authority from the request, if it was present. + authority: func() -> option; + + /// Get the `headers` associated with the request. + /// + /// The returned `headers` resource is immutable: `set`, `append`, and + /// `delete` operations will fail with `header-error.immutable`. + /// + /// The `headers` returned are a child resource: it must be dropped before + /// the parent `incoming-request` is dropped. Dropping this + /// `incoming-request` before all children are dropped will trap. + headers: func() -> headers; + + /// Gives the `incoming-body` associated with this request. Will only + /// return success at most once, and subsequent calls will return error. + consume: func() -> result; + } + + /// Represents an outgoing HTTP Request. + resource outgoing-request { + + /// Construct a new `outgoing-request` with a default `method` of `GET`, and + /// `none` values for `path-with-query`, `scheme`, and `authority`. + /// + /// * `headers` is the HTTP Headers for the Request. + /// + /// It is possible to construct, or manipulate with the accessor functions + /// below, an `outgoing-request` with an invalid combination of `scheme` + /// and `authority`, or `headers` which are not permitted to be sent. + /// It is the obligation of the `outgoing-handler.handle` implementation + /// to reject invalid constructions of `outgoing-request`. + constructor( + headers: headers + ); + + /// Returns the resource corresponding to the outgoing Body for this + /// Request. + /// + /// Returns success on the first call: the `outgoing-body` resource for + /// this `outgoing-request` can be retrieved at most once. Subsequent + /// calls will return error. + body: func() -> result; + + /// Get the Method for the Request. + method: func() -> method; + /// Set the Method for the Request. Fails if the string present in a + /// `method.other` argument is not a syntactically valid method. + set-method: func(method: method) -> result; + + /// Get the combination of the HTTP Path and Query for the Request. + /// When `none`, this represents an empty Path and empty Query. + path-with-query: func() -> option; + /// Set the combination of the HTTP Path and Query for the Request. + /// When `none`, this represents an empty Path and empty Query. Fails is the + /// string given is not a syntactically valid path and query uri component. + set-path-with-query: func(path-with-query: option) -> result; + + /// Get the HTTP Related Scheme for the Request. When `none`, the + /// implementation may choose an appropriate default scheme. + scheme: func() -> option; + /// Set the HTTP Related Scheme for the Request. When `none`, the + /// implementation may choose an appropriate default scheme. Fails if the + /// string given is not a syntactically valid uri scheme. + set-scheme: func(scheme: option) -> result; + + /// Get the HTTP Authority for the Request. A value of `none` may be used + /// with Related Schemes which do not require an Authority. The HTTP and + /// HTTPS schemes always require an authority. + authority: func() -> option; + /// Set the HTTP Authority for the Request. A value of `none` may be used + /// with Related Schemes which do not require an Authority. The HTTP and + /// HTTPS schemes always require an authority. Fails if the string given is + /// not a syntactically valid uri authority. + set-authority: func(authority: option) -> result; + + /// Get the headers associated with the Request. + /// + /// The returned `headers` resource is immutable: `set`, `append`, and + /// `delete` operations will fail with `header-error.immutable`. + /// + /// This headers resource is a child: it must be dropped before the parent + /// `outgoing-request` is dropped, or its ownership is transfered to + /// another component by e.g. `outgoing-handler.handle`. + headers: func() -> headers; + } + + /// Parameters for making an HTTP Request. Each of these parameters is + /// currently an optional timeout applicable to the transport layer of the + /// HTTP protocol. + /// + /// These timeouts are separate from any the user may use to bound a + /// blocking call to `wasi:io/poll.poll`. + resource request-options { + /// Construct a default `request-options` value. + constructor(); + + /// The timeout for the initial connect to the HTTP Server. + connect-timeout: func() -> option; + + /// Set the timeout for the initial connect to the HTTP Server. An error + /// return value indicates that this timeout is not supported. + set-connect-timeout: func(duration: option) -> result; + + /// The timeout for receiving the first byte of the Response body. + first-byte-timeout: func() -> option; + + /// Set the timeout for receiving the first byte of the Response body. An + /// error return value indicates that this timeout is not supported. + set-first-byte-timeout: func(duration: option) -> result; + + /// The timeout for receiving subsequent chunks of bytes in the Response + /// body stream. + between-bytes-timeout: func() -> option; + + /// Set the timeout for receiving subsequent chunks of bytes in the Response + /// body stream. An error return value indicates that this timeout is not + /// supported. + set-between-bytes-timeout: func(duration: option) -> result; + } + + /// Represents the ability to send an HTTP Response. + /// + /// This resource is used by the `wasi:http/incoming-handler` interface to + /// allow a Response to be sent corresponding to the Request provided as the + /// other argument to `incoming-handler.handle`. + resource response-outparam { + + /// Set the value of the `response-outparam` to either send a response, + /// or indicate an error. + /// + /// This method consumes the `response-outparam` to ensure that it is + /// called at most once. If it is never called, the implementation + /// will respond with an error. + /// + /// The user may provide an `error` to `response` to allow the + /// implementation determine how to respond with an HTTP error response. + set: static func( + param: response-outparam, + response: result, + ); + } + + /// This type corresponds to the HTTP standard Status Code. + type status-code = u16; + + /// Represents an incoming HTTP Response. + resource incoming-response { + + /// Returns the status code from the incoming response. + status: func() -> status-code; + + /// Returns the headers from the incoming response. + /// + /// The returned `headers` resource is immutable: `set`, `append`, and + /// `delete` operations will fail with `header-error.immutable`. + /// + /// This headers resource is a child: it must be dropped before the parent + /// `incoming-response` is dropped. + headers: func() -> headers; + + /// Returns the incoming body. May be called at most once. Returns error + /// if called additional times. + consume: func() -> result; + } + + /// Represents an incoming HTTP Request or Response's Body. + /// + /// A body has both its contents - a stream of bytes - and a (possibly + /// empty) set of trailers, indicating that the full contents of the + /// body have been received. This resource represents the contents as + /// an `input-stream` and the delivery of trailers as a `future-trailers`, + /// and ensures that the user of this interface may only be consuming either + /// the body contents or waiting on trailers at any given time. + resource incoming-body { + + /// Returns the contents of the body, as a stream of bytes. + /// + /// Returns success on first call: the stream representing the contents + /// can be retrieved at most once. Subsequent calls will return error. + /// + /// The returned `input-stream` resource is a child: it must be dropped + /// before the parent `incoming-body` is dropped, or consumed by + /// `incoming-body.finish`. + /// + /// This invariant ensures that the implementation can determine whether + /// the user is consuming the contents of the body, waiting on the + /// `future-trailers` to be ready, or neither. This allows for network + /// backpressure is to be applied when the user is consuming the body, + /// and for that backpressure to not inhibit delivery of the trailers if + /// the user does not read the entire body. + %stream: func() -> result; + + /// Takes ownership of `incoming-body`, and returns a `future-trailers`. + /// This function will trap if the `input-stream` child is still alive. + finish: static func(this: incoming-body) -> future-trailers; + } + + /// Represents a future which may eventaully return trailers, or an error. + /// + /// In the case that the incoming HTTP Request or Response did not have any + /// trailers, this future will resolve to the empty set of trailers once the + /// complete Request or Response body has been received. + resource future-trailers { + + /// Returns a pollable which becomes ready when either the trailers have + /// been received, or an error has occured. When this pollable is ready, + /// the `get` method will return `some`. + subscribe: func() -> pollable; + + /// Returns the contents of the trailers, or an error which occured, + /// once the future is ready. + /// + /// The outer `option` represents future readiness. Users can wait on this + /// `option` to become `some` using the `subscribe` method. + /// + /// The outer `result` is used to retrieve the trailers or error at most + /// once. It will be success on the first call in which the outer option + /// is `some`, and error on subsequent calls. + /// + /// The inner `result` represents that either the HTTP Request or Response + /// body, as well as any trailers, were received successfully, or that an + /// error occured receiving them. The optional `trailers` indicates whether + /// or not trailers were present in the body. + /// + /// When some `trailers` are returned by this method, the `trailers` + /// resource is immutable, and a child. Use of the `set`, `append`, or + /// `delete` methods will return an error, and the resource must be + /// dropped before the parent `future-trailers` is dropped. + get: func() -> option, error-code>>>; + } + + /// Represents an outgoing HTTP Response. + resource outgoing-response { + + /// Construct an `outgoing-response`, with a default `status-code` of `200`. + /// If a different `status-code` is needed, it must be set via the + /// `set-status-code` method. + /// + /// * `headers` is the HTTP Headers for the Response. + constructor(headers: headers); + + /// Get the HTTP Status Code for the Response. + status-code: func() -> status-code; + + /// Set the HTTP Status Code for the Response. Fails if the status-code + /// given is not a valid http status code. + set-status-code: func(status-code: status-code) -> result; + + /// Get the headers associated with the Request. + /// + /// The returned `headers` resource is immutable: `set`, `append`, and + /// `delete` operations will fail with `header-error.immutable`. + /// + /// This headers resource is a child: it must be dropped before the parent + /// `outgoing-request` is dropped, or its ownership is transfered to + /// another component by e.g. `outgoing-handler.handle`. + headers: func() -> headers; + + /// Returns the resource corresponding to the outgoing Body for this Response. + /// + /// Returns success on the first call: the `outgoing-body` resource for + /// this `outgoing-response` can be retrieved at most once. Subsequent + /// calls will return error. + body: func() -> result; + } + + /// Represents an outgoing HTTP Request or Response's Body. + /// + /// A body has both its contents - a stream of bytes - and a (possibly + /// empty) set of trailers, inducating the full contents of the body + /// have been sent. This resource represents the contents as an + /// `output-stream` child resource, and the completion of the body (with + /// optional trailers) with a static function that consumes the + /// `outgoing-body` resource, and ensures that the user of this interface + /// may not write to the body contents after the body has been finished. + /// + /// If the user code drops this resource, as opposed to calling the static + /// method `finish`, the implementation should treat the body as incomplete, + /// and that an error has occured. The implementation should propogate this + /// error to the HTTP protocol by whatever means it has available, + /// including: corrupting the body on the wire, aborting the associated + /// Request, or sending a late status code for the Response. + resource outgoing-body { + + /// Returns a stream for writing the body contents. + /// + /// The returned `output-stream` is a child resource: it must be dropped + /// before the parent `outgoing-body` resource is dropped (or finished), + /// otherwise the `outgoing-body` drop or `finish` will trap. + /// + /// Returns success on the first call: the `output-stream` resource for + /// this `outgoing-body` may be retrieved at most once. Subsequent calls + /// will return error. + write: func() -> result; + + /// Finalize an outgoing body, optionally providing trailers. This must be + /// called to signal that the response is complete. If the `outgoing-body` + /// is dropped without calling `outgoing-body.finalize`, the implementation + /// should treat the body as corrupted. + /// + /// Fails if the body's `outgoing-request` or `outgoing-response` was + /// constructed with a Content-Length header, and the contents written + /// to the body (via `write`) does not match the value given in the + /// Content-Length. + finish: static func( + this: outgoing-body, + trailers: option + ) -> result<_, error-code>; + } + + /// Represents a future which may eventaully return an incoming HTTP + /// Response, or an error. + /// + /// This resource is returned by the `wasi:http/outgoing-handler` interface to + /// provide the HTTP Response corresponding to the sent Request. + resource future-incoming-response { + /// Returns a pollable which becomes ready when either the Response has + /// been received, or an error has occured. When this pollable is ready, + /// the `get` method will return `some`. + subscribe: func() -> pollable; + + /// Returns the incoming HTTP Response, or an error, once one is ready. + /// + /// The outer `option` represents future readiness. Users can wait on this + /// `option` to become `some` using the `subscribe` method. + /// + /// The outer `result` is used to retrieve the response or error at most + /// once. It will be success on the first call in which the outer option + /// is `some`, and error on subsequent calls. + /// + /// The inner `result` represents that either the incoming HTTP Response + /// status and headers have recieved successfully, or that an error + /// occured. Errors may also occur while consuming the response body, + /// but those will be reported by the `incoming-body` and its + /// `output-stream` child. + get: func() -> option>>; + + } +} diff --git a/wit/deps/io/error.wit b/wit/deps/io/error.wit new file mode 100644 index 0000000..22e5b64 --- /dev/null +++ b/wit/deps/io/error.wit @@ -0,0 +1,34 @@ +package wasi:io@0.2.0; + + +interface error { + /// A resource which represents some error information. + /// + /// The only method provided by this resource is `to-debug-string`, + /// which provides some human-readable information about the error. + /// + /// In the `wasi:io` package, this resource is returned through the + /// `wasi:io/streams/stream-error` type. + /// + /// To provide more specific error information, other interfaces may + /// provide functions to further "downcast" this error into more specific + /// error information. For example, `error`s returned in streams derived + /// from filesystem types to be described using the filesystem's own + /// error-code type, using the function + /// `wasi:filesystem/types/filesystem-error-code`, which takes a parameter + /// `borrow` and returns + /// `option`. + /// + /// The set of functions which can "downcast" an `error` into a more + /// concrete type is open. + resource error { + /// Returns a string that is suitable to assist humans in debugging + /// this error. + /// + /// WARNING: The returned string should not be consumed mechanically! + /// It may change across platforms, hosts, or other implementation + /// details. Parsing this string is a major platform-compatibility + /// hazard. + to-debug-string: func() -> string; + } +} diff --git a/wit/deps/io/poll.wit b/wit/deps/io/poll.wit new file mode 100644 index 0000000..ddc67f8 --- /dev/null +++ b/wit/deps/io/poll.wit @@ -0,0 +1,41 @@ +package wasi:io@0.2.0; + +/// A poll API intended to let users wait for I/O events on multiple handles +/// at once. +interface poll { + /// `pollable` represents a single I/O event which may be ready, or not. + resource pollable { + + /// Return the readiness of a pollable. This function never blocks. + /// + /// Returns `true` when the pollable is ready, and `false` otherwise. + ready: func() -> bool; + + /// `block` returns immediately if the pollable is ready, and otherwise + /// blocks until ready. + /// + /// This function is equivalent to calling `poll.poll` on a list + /// containing only this pollable. + block: func(); + } + + /// Poll for completion on a set of pollables. + /// + /// This function takes a list of pollables, which identify I/O sources of + /// interest, and waits until one or more of the events is ready for I/O. + /// + /// The result `list` contains one or more indices of handles in the + /// argument list that is ready for I/O. + /// + /// If the list contains more elements than can be indexed with a `u32` + /// value, this function traps. + /// + /// A timeout can be implemented by adding a pollable from the + /// wasi-clocks API to the list. + /// + /// This function does not return a `result`; polling in itself does not + /// do any I/O so it doesn't fail. If any of the I/O sources identified by + /// the pollables has an error, it is indicated by marking the source as + /// being reaedy for I/O. + poll: func(in: list>) -> list; +} diff --git a/wit/deps/io/streams.wit b/wit/deps/io/streams.wit new file mode 100644 index 0000000..6d2f871 --- /dev/null +++ b/wit/deps/io/streams.wit @@ -0,0 +1,262 @@ +package wasi:io@0.2.0; + +/// WASI I/O is an I/O abstraction API which is currently focused on providing +/// stream types. +/// +/// In the future, the component model is expected to add built-in stream types; +/// when it does, they are expected to subsume this API. +interface streams { + use error.{error}; + use poll.{pollable}; + + /// An error for input-stream and output-stream operations. + variant stream-error { + /// The last operation (a write or flush) failed before completion. + /// + /// More information is available in the `error` payload. + last-operation-failed(error), + /// The stream is closed: no more input will be accepted by the + /// stream. A closed output-stream will return this error on all + /// future operations. + closed + } + + /// An input bytestream. + /// + /// `input-stream`s are *non-blocking* to the extent practical on underlying + /// platforms. I/O operations always return promptly; if fewer bytes are + /// promptly available than requested, they return the number of bytes promptly + /// available, which could even be zero. To wait for data to be available, + /// use the `subscribe` function to obtain a `pollable` which can be polled + /// for using `wasi:io/poll`. + resource input-stream { + /// Perform a non-blocking read from the stream. + /// + /// When the source of a `read` is binary data, the bytes from the source + /// are returned verbatim. When the source of a `read` is known to the + /// implementation to be text, bytes containing the UTF-8 encoding of the + /// text are returned. + /// + /// This function returns a list of bytes containing the read data, + /// when successful. The returned list will contain up to `len` bytes; + /// it may return fewer than requested, but not more. The list is + /// empty when no bytes are available for reading at this time. The + /// pollable given by `subscribe` will be ready when more bytes are + /// available. + /// + /// This function fails with a `stream-error` when the operation + /// encounters an error, giving `last-operation-failed`, or when the + /// stream is closed, giving `closed`. + /// + /// When the caller gives a `len` of 0, it represents a request to + /// read 0 bytes. If the stream is still open, this call should + /// succeed and return an empty list, or otherwise fail with `closed`. + /// + /// The `len` parameter is a `u64`, which could represent a list of u8 which + /// is not possible to allocate in wasm32, or not desirable to allocate as + /// as a return value by the callee. The callee may return a list of bytes + /// less than `len` in size while more bytes are available for reading. + read: func( + /// The maximum number of bytes to read + len: u64 + ) -> result, stream-error>; + + /// Read bytes from a stream, after blocking until at least one byte can + /// be read. Except for blocking, behavior is identical to `read`. + blocking-read: func( + /// The maximum number of bytes to read + len: u64 + ) -> result, stream-error>; + + /// Skip bytes from a stream. Returns number of bytes skipped. + /// + /// Behaves identical to `read`, except instead of returning a list + /// of bytes, returns the number of bytes consumed from the stream. + skip: func( + /// The maximum number of bytes to skip. + len: u64, + ) -> result; + + /// Skip bytes from a stream, after blocking until at least one byte + /// can be skipped. Except for blocking behavior, identical to `skip`. + blocking-skip: func( + /// The maximum number of bytes to skip. + len: u64, + ) -> result; + + /// Create a `pollable` which will resolve once either the specified stream + /// has bytes available to read or the other end of the stream has been + /// closed. + /// The created `pollable` is a child resource of the `input-stream`. + /// Implementations may trap if the `input-stream` is dropped before + /// all derived `pollable`s created with this function are dropped. + subscribe: func() -> pollable; + } + + + /// An output bytestream. + /// + /// `output-stream`s are *non-blocking* to the extent practical on + /// underlying platforms. Except where specified otherwise, I/O operations also + /// always return promptly, after the number of bytes that can be written + /// promptly, which could even be zero. To wait for the stream to be ready to + /// accept data, the `subscribe` function to obtain a `pollable` which can be + /// polled for using `wasi:io/poll`. + resource output-stream { + /// Check readiness for writing. This function never blocks. + /// + /// Returns the number of bytes permitted for the next call to `write`, + /// or an error. Calling `write` with more bytes than this function has + /// permitted will trap. + /// + /// When this function returns 0 bytes, the `subscribe` pollable will + /// become ready when this function will report at least 1 byte, or an + /// error. + check-write: func() -> result; + + /// Perform a write. This function never blocks. + /// + /// When the destination of a `write` is binary data, the bytes from + /// `contents` are written verbatim. When the destination of a `write` is + /// known to the implementation to be text, the bytes of `contents` are + /// transcoded from UTF-8 into the encoding of the destination and then + /// written. + /// + /// Precondition: check-write gave permit of Ok(n) and contents has a + /// length of less than or equal to n. Otherwise, this function will trap. + /// + /// returns Err(closed) without writing if the stream has closed since + /// the last call to check-write provided a permit. + write: func( + contents: list + ) -> result<_, stream-error>; + + /// Perform a write of up to 4096 bytes, and then flush the stream. Block + /// until all of these operations are complete, or an error occurs. + /// + /// This is a convenience wrapper around the use of `check-write`, + /// `subscribe`, `write`, and `flush`, and is implemented with the + /// following pseudo-code: + /// + /// ```text + /// let pollable = this.subscribe(); + /// while !contents.is_empty() { + /// // Wait for the stream to become writable + /// pollable.block(); + /// let Ok(n) = this.check-write(); // eliding error handling + /// let len = min(n, contents.len()); + /// let (chunk, rest) = contents.split_at(len); + /// this.write(chunk ); // eliding error handling + /// contents = rest; + /// } + /// this.flush(); + /// // Wait for completion of `flush` + /// pollable.block(); + /// // Check for any errors that arose during `flush` + /// let _ = this.check-write(); // eliding error handling + /// ``` + blocking-write-and-flush: func( + contents: list + ) -> result<_, stream-error>; + + /// Request to flush buffered output. This function never blocks. + /// + /// This tells the output-stream that the caller intends any buffered + /// output to be flushed. the output which is expected to be flushed + /// is all that has been passed to `write` prior to this call. + /// + /// Upon calling this function, the `output-stream` will not accept any + /// writes (`check-write` will return `ok(0)`) until the flush has + /// completed. The `subscribe` pollable will become ready when the + /// flush has completed and the stream can accept more writes. + flush: func() -> result<_, stream-error>; + + /// Request to flush buffered output, and block until flush completes + /// and stream is ready for writing again. + blocking-flush: func() -> result<_, stream-error>; + + /// Create a `pollable` which will resolve once the output-stream + /// is ready for more writing, or an error has occured. When this + /// pollable is ready, `check-write` will return `ok(n)` with n>0, or an + /// error. + /// + /// If the stream is closed, this pollable is always ready immediately. + /// + /// The created `pollable` is a child resource of the `output-stream`. + /// Implementations may trap if the `output-stream` is dropped before + /// all derived `pollable`s created with this function are dropped. + subscribe: func() -> pollable; + + /// Write zeroes to a stream. + /// + /// This should be used precisely like `write` with the exact same + /// preconditions (must use check-write first), but instead of + /// passing a list of bytes, you simply pass the number of zero-bytes + /// that should be written. + write-zeroes: func( + /// The number of zero-bytes to write + len: u64 + ) -> result<_, stream-error>; + + /// Perform a write of up to 4096 zeroes, and then flush the stream. + /// Block until all of these operations are complete, or an error + /// occurs. + /// + /// This is a convenience wrapper around the use of `check-write`, + /// `subscribe`, `write-zeroes`, and `flush`, and is implemented with + /// the following pseudo-code: + /// + /// ```text + /// let pollable = this.subscribe(); + /// while num_zeroes != 0 { + /// // Wait for the stream to become writable + /// pollable.block(); + /// let Ok(n) = this.check-write(); // eliding error handling + /// let len = min(n, num_zeroes); + /// this.write-zeroes(len); // eliding error handling + /// num_zeroes -= len; + /// } + /// this.flush(); + /// // Wait for completion of `flush` + /// pollable.block(); + /// // Check for any errors that arose during `flush` + /// let _ = this.check-write(); // eliding error handling + /// ``` + blocking-write-zeroes-and-flush: func( + /// The number of zero-bytes to write + len: u64 + ) -> result<_, stream-error>; + + /// Read from one stream and write to another. + /// + /// The behavior of splice is equivelant to: + /// 1. calling `check-write` on the `output-stream` + /// 2. calling `read` on the `input-stream` with the smaller of the + /// `check-write` permitted length and the `len` provided to `splice` + /// 3. calling `write` on the `output-stream` with that read data. + /// + /// Any error reported by the call to `check-write`, `read`, or + /// `write` ends the splice and reports that error. + /// + /// This function returns the number of bytes transferred; it may be less + /// than `len`. + splice: func( + /// The stream to read from + src: borrow, + /// The number of bytes to splice + len: u64, + ) -> result; + + /// Read from one stream and write to another, with blocking. + /// + /// This is similar to `splice`, except that it blocks until the + /// `output-stream` is ready for writing, and the `input-stream` + /// is ready for reading, before performing the `splice`. + blocking-splice: func( + /// The stream to read from + src: borrow, + /// The number of bytes to splice + len: u64, + ) -> result; + } +} diff --git a/wit/deps/io/world.wit b/wit/deps/io/world.wit new file mode 100644 index 0000000..5f0b43f --- /dev/null +++ b/wit/deps/io/world.wit @@ -0,0 +1,6 @@ +package wasi:io@0.2.0; + +world imports { + import streams; + import poll; +} diff --git a/wit/deps/random/insecure-seed.wit b/wit/deps/random/insecure-seed.wit new file mode 100644 index 0000000..47210ac --- /dev/null +++ b/wit/deps/random/insecure-seed.wit @@ -0,0 +1,25 @@ +package wasi:random@0.2.0; +/// The insecure-seed interface for seeding hash-map DoS resistance. +/// +/// It is intended to be portable at least between Unix-family platforms and +/// Windows. +interface insecure-seed { + /// Return a 128-bit value that may contain a pseudo-random value. + /// + /// The returned value is not required to be computed from a CSPRNG, and may + /// even be entirely deterministic. Host implementations are encouraged to + /// provide pseudo-random values to any program exposed to + /// attacker-controlled content, to enable DoS protection built into many + /// languages' hash-map implementations. + /// + /// This function is intended to only be called once, by a source language + /// to initialize Denial Of Service (DoS) protection in its hash-map + /// implementation. + /// + /// # Expected future evolution + /// + /// This will likely be changed to a value import, to prevent it from being + /// called multiple times and potentially used for purposes other than DoS + /// protection. + insecure-seed: func() -> tuple; +} diff --git a/wit/deps/random/insecure.wit b/wit/deps/random/insecure.wit new file mode 100644 index 0000000..c58f4ee --- /dev/null +++ b/wit/deps/random/insecure.wit @@ -0,0 +1,22 @@ +package wasi:random@0.2.0; +/// The insecure interface for insecure pseudo-random numbers. +/// +/// It is intended to be portable at least between Unix-family platforms and +/// Windows. +interface insecure { + /// Return `len` insecure pseudo-random bytes. + /// + /// This function is not cryptographically secure. Do not use it for + /// anything related to security. + /// + /// There are no requirements on the values of the returned bytes, however + /// implementations are encouraged to return evenly distributed values with + /// a long period. + get-insecure-random-bytes: func(len: u64) -> list; + + /// Return an insecure pseudo-random `u64` value. + /// + /// This function returns the same type of pseudo-random data as + /// `get-insecure-random-bytes`, represented as a `u64`. + get-insecure-random-u64: func() -> u64; +} diff --git a/wit/deps/random/random.wit b/wit/deps/random/random.wit new file mode 100644 index 0000000..0c017f0 --- /dev/null +++ b/wit/deps/random/random.wit @@ -0,0 +1,26 @@ +package wasi:random@0.2.0; +/// WASI Random is a random data API. +/// +/// It is intended to be portable at least between Unix-family platforms and +/// Windows. +interface random { + /// Return `len` cryptographically-secure random or pseudo-random bytes. + /// + /// This function must produce data at least as cryptographically secure and + /// fast as an adequately seeded cryptographically-secure pseudo-random + /// number generator (CSPRNG). It must not block, from the perspective of + /// the calling program, under any circumstances, including on the first + /// request and on requests for numbers of bytes. The returned data must + /// always be unpredictable. + /// + /// This function must always return fresh data. Deterministic environments + /// must omit this function, rather than implementing it with deterministic + /// data. + get-random-bytes: func(len: u64) -> list; + + /// Return a cryptographically-secure random or pseudo-random `u64` value. + /// + /// This function returns the same type of data as `get-random-bytes`, + /// represented as a `u64`. + get-random-u64: func() -> u64; +} diff --git a/wit/deps/random/world.wit b/wit/deps/random/world.wit new file mode 100644 index 0000000..3da3491 --- /dev/null +++ b/wit/deps/random/world.wit @@ -0,0 +1,7 @@ +package wasi:random@0.2.0; + +world imports { + import random; + import insecure; + import insecure-seed; +} diff --git a/wit/deps/sockets/instance-network.wit b/wit/deps/sockets/instance-network.wit new file mode 100644 index 0000000..e455d0f --- /dev/null +++ b/wit/deps/sockets/instance-network.wit @@ -0,0 +1,9 @@ + +/// This interface provides a value-export of the default network handle.. +interface instance-network { + use network.{network}; + + /// Get a handle to the default network. + instance-network: func() -> network; + +} diff --git a/wit/deps/sockets/ip-name-lookup.wit b/wit/deps/sockets/ip-name-lookup.wit new file mode 100644 index 0000000..8e639ec --- /dev/null +++ b/wit/deps/sockets/ip-name-lookup.wit @@ -0,0 +1,51 @@ + +interface ip-name-lookup { + use wasi:io/poll@0.2.0.{pollable}; + use network.{network, error-code, ip-address}; + + + /// Resolve an internet host name to a list of IP addresses. + /// + /// Unicode domain names are automatically converted to ASCII using IDNA encoding. + /// If the input is an IP address string, the address is parsed and returned + /// as-is without making any external requests. + /// + /// See the wasi-socket proposal README.md for a comparison with getaddrinfo. + /// + /// This function never blocks. It either immediately fails or immediately + /// returns successfully with a `resolve-address-stream` that can be used + /// to (asynchronously) fetch the results. + /// + /// # Typical errors + /// - `invalid-argument`: `name` is a syntactically invalid domain name or IP address. + /// + /// # References: + /// - + /// - + /// - + /// - + resolve-addresses: func(network: borrow, name: string) -> result; + + resource resolve-address-stream { + /// Returns the next address from the resolver. + /// + /// This function should be called multiple times. On each call, it will + /// return the next address in connection order preference. If all + /// addresses have been exhausted, this function returns `none`. + /// + /// This function never returns IPv4-mapped IPv6 addresses. + /// + /// # Typical errors + /// - `name-unresolvable`: Name does not exist or has no suitable associated IP addresses. (EAI_NONAME, EAI_NODATA, EAI_ADDRFAMILY) + /// - `temporary-resolver-failure`: A temporary failure in name resolution occurred. (EAI_AGAIN) + /// - `permanent-resolver-failure`: A permanent failure in name resolution occurred. (EAI_FAIL) + /// - `would-block`: A result is not available yet. (EWOULDBLOCK, EAGAIN) + resolve-next-address: func() -> result, error-code>; + + /// Create a `pollable` which will resolve once the stream is ready for I/O. + /// + /// Note: this function is here for WASI Preview2 only. + /// It's planned to be removed when `future` is natively supported in Preview3. + subscribe: func() -> pollable; + } +} diff --git a/wit/deps/sockets/network.wit b/wit/deps/sockets/network.wit new file mode 100644 index 0000000..9cadf06 --- /dev/null +++ b/wit/deps/sockets/network.wit @@ -0,0 +1,145 @@ + +interface network { + /// An opaque resource that represents access to (a subset of) the network. + /// This enables context-based security for networking. + /// There is no need for this to map 1:1 to a physical network interface. + resource network; + + /// Error codes. + /// + /// In theory, every API can return any error code. + /// In practice, API's typically only return the errors documented per API + /// combined with a couple of errors that are always possible: + /// - `unknown` + /// - `access-denied` + /// - `not-supported` + /// - `out-of-memory` + /// - `concurrency-conflict` + /// + /// See each individual API for what the POSIX equivalents are. They sometimes differ per API. + enum error-code { + /// Unknown error + unknown, + + /// Access denied. + /// + /// POSIX equivalent: EACCES, EPERM + access-denied, + + /// The operation is not supported. + /// + /// POSIX equivalent: EOPNOTSUPP + not-supported, + + /// One of the arguments is invalid. + /// + /// POSIX equivalent: EINVAL + invalid-argument, + + /// Not enough memory to complete the operation. + /// + /// POSIX equivalent: ENOMEM, ENOBUFS, EAI_MEMORY + out-of-memory, + + /// The operation timed out before it could finish completely. + timeout, + + /// This operation is incompatible with another asynchronous operation that is already in progress. + /// + /// POSIX equivalent: EALREADY + concurrency-conflict, + + /// Trying to finish an asynchronous operation that: + /// - has not been started yet, or: + /// - was already finished by a previous `finish-*` call. + /// + /// Note: this is scheduled to be removed when `future`s are natively supported. + not-in-progress, + + /// The operation has been aborted because it could not be completed immediately. + /// + /// Note: this is scheduled to be removed when `future`s are natively supported. + would-block, + + + /// The operation is not valid in the socket's current state. + invalid-state, + + /// A new socket resource could not be created because of a system limit. + new-socket-limit, + + /// A bind operation failed because the provided address is not an address that the `network` can bind to. + address-not-bindable, + + /// A bind operation failed because the provided address is already in use or because there are no ephemeral ports available. + address-in-use, + + /// The remote address is not reachable + remote-unreachable, + + + /// The TCP connection was forcefully rejected + connection-refused, + + /// The TCP connection was reset. + connection-reset, + + /// A TCP connection was aborted. + connection-aborted, + + + /// The size of a datagram sent to a UDP socket exceeded the maximum + /// supported size. + datagram-too-large, + + + /// Name does not exist or has no suitable associated IP addresses. + name-unresolvable, + + /// A temporary failure in name resolution occurred. + temporary-resolver-failure, + + /// A permanent failure in name resolution occurred. + permanent-resolver-failure, + } + + enum ip-address-family { + /// Similar to `AF_INET` in POSIX. + ipv4, + + /// Similar to `AF_INET6` in POSIX. + ipv6, + } + + type ipv4-address = tuple; + type ipv6-address = tuple; + + variant ip-address { + ipv4(ipv4-address), + ipv6(ipv6-address), + } + + record ipv4-socket-address { + /// sin_port + port: u16, + /// sin_addr + address: ipv4-address, + } + + record ipv6-socket-address { + /// sin6_port + port: u16, + /// sin6_flowinfo + flow-info: u32, + /// sin6_addr + address: ipv6-address, + /// sin6_scope_id + scope-id: u32, + } + + variant ip-socket-address { + ipv4(ipv4-socket-address), + ipv6(ipv6-socket-address), + } + +} diff --git a/wit/deps/sockets/tcp-create-socket.wit b/wit/deps/sockets/tcp-create-socket.wit new file mode 100644 index 0000000..c7ddf1f --- /dev/null +++ b/wit/deps/sockets/tcp-create-socket.wit @@ -0,0 +1,27 @@ + +interface tcp-create-socket { + use network.{network, error-code, ip-address-family}; + use tcp.{tcp-socket}; + + /// Create a new TCP socket. + /// + /// Similar to `socket(AF_INET or AF_INET6, SOCK_STREAM, IPPROTO_TCP)` in POSIX. + /// On IPv6 sockets, IPV6_V6ONLY is enabled by default and can't be configured otherwise. + /// + /// This function does not require a network capability handle. This is considered to be safe because + /// at time of creation, the socket is not bound to any `network` yet. Up to the moment `bind`/`connect` + /// is called, the socket is effectively an in-memory configuration object, unable to communicate with the outside world. + /// + /// All sockets are non-blocking. Use the wasi-poll interface to block on asynchronous operations. + /// + /// # Typical errors + /// - `not-supported`: The specified `address-family` is not supported. (EAFNOSUPPORT) + /// - `new-socket-limit`: The new socket resource could not be created because of a system limit. (EMFILE, ENFILE) + /// + /// # References + /// - + /// - + /// - + /// - + create-tcp-socket: func(address-family: ip-address-family) -> result; +} diff --git a/wit/deps/sockets/tcp.wit b/wit/deps/sockets/tcp.wit new file mode 100644 index 0000000..5902b9e --- /dev/null +++ b/wit/deps/sockets/tcp.wit @@ -0,0 +1,353 @@ + +interface tcp { + use wasi:io/streams@0.2.0.{input-stream, output-stream}; + use wasi:io/poll@0.2.0.{pollable}; + use wasi:clocks/monotonic-clock@0.2.0.{duration}; + use network.{network, error-code, ip-socket-address, ip-address-family}; + + enum shutdown-type { + /// Similar to `SHUT_RD` in POSIX. + receive, + + /// Similar to `SHUT_WR` in POSIX. + send, + + /// Similar to `SHUT_RDWR` in POSIX. + both, + } + + /// A TCP socket resource. + /// + /// The socket can be in one of the following states: + /// - `unbound` + /// - `bind-in-progress` + /// - `bound` (See note below) + /// - `listen-in-progress` + /// - `listening` + /// - `connect-in-progress` + /// - `connected` + /// - `closed` + /// See + /// for a more information. + /// + /// Note: Except where explicitly mentioned, whenever this documentation uses + /// the term "bound" without backticks it actually means: in the `bound` state *or higher*. + /// (i.e. `bound`, `listen-in-progress`, `listening`, `connect-in-progress` or `connected`) + /// + /// In addition to the general error codes documented on the + /// `network::error-code` type, TCP socket methods may always return + /// `error(invalid-state)` when in the `closed` state. + resource tcp-socket { + /// Bind the socket to a specific network on the provided IP address and port. + /// + /// If the IP address is zero (`0.0.0.0` in IPv4, `::` in IPv6), it is left to the implementation to decide which + /// network interface(s) to bind to. + /// If the TCP/UDP port is zero, the socket will be bound to a random free port. + /// + /// Bind can be attempted multiple times on the same socket, even with + /// different arguments on each iteration. But never concurrently and + /// only as long as the previous bind failed. Once a bind succeeds, the + /// binding can't be changed anymore. + /// + /// # Typical errors + /// - `invalid-argument`: The `local-address` has the wrong address family. (EAFNOSUPPORT, EFAULT on Windows) + /// - `invalid-argument`: `local-address` is not a unicast address. (EINVAL) + /// - `invalid-argument`: `local-address` is an IPv4-mapped IPv6 address. (EINVAL) + /// - `invalid-state`: The socket is already bound. (EINVAL) + /// - `address-in-use`: No ephemeral ports available. (EADDRINUSE, ENOBUFS on Windows) + /// - `address-in-use`: Address is already in use. (EADDRINUSE) + /// - `address-not-bindable`: `local-address` is not an address that the `network` can bind to. (EADDRNOTAVAIL) + /// - `not-in-progress`: A `bind` operation is not in progress. + /// - `would-block`: Can't finish the operation, it is still in progress. (EWOULDBLOCK, EAGAIN) + /// + /// # Implementors note + /// When binding to a non-zero port, this bind operation shouldn't be affected by the TIME_WAIT + /// state of a recently closed socket on the same local address. In practice this means that the SO_REUSEADDR + /// socket option should be set implicitly on all platforms, except on Windows where this is the default behavior + /// and SO_REUSEADDR performs something different entirely. + /// + /// Unlike in POSIX, in WASI the bind operation is async. This enables + /// interactive WASI hosts to inject permission prompts. Runtimes that + /// don't want to make use of this ability can simply call the native + /// `bind` as part of either `start-bind` or `finish-bind`. + /// + /// # References + /// - + /// - + /// - + /// - + start-bind: func(network: borrow, local-address: ip-socket-address) -> result<_, error-code>; + finish-bind: func() -> result<_, error-code>; + + /// Connect to a remote endpoint. + /// + /// On success: + /// - the socket is transitioned into the `connection` state. + /// - a pair of streams is returned that can be used to read & write to the connection + /// + /// After a failed connection attempt, the socket will be in the `closed` + /// state and the only valid action left is to `drop` the socket. A single + /// socket can not be used to connect more than once. + /// + /// # Typical errors + /// - `invalid-argument`: The `remote-address` has the wrong address family. (EAFNOSUPPORT) + /// - `invalid-argument`: `remote-address` is not a unicast address. (EINVAL, ENETUNREACH on Linux, EAFNOSUPPORT on MacOS) + /// - `invalid-argument`: `remote-address` is an IPv4-mapped IPv6 address. (EINVAL, EADDRNOTAVAIL on Illumos) + /// - `invalid-argument`: The IP address in `remote-address` is set to INADDR_ANY (`0.0.0.0` / `::`). (EADDRNOTAVAIL on Windows) + /// - `invalid-argument`: The port in `remote-address` is set to 0. (EADDRNOTAVAIL on Windows) + /// - `invalid-argument`: The socket is already attached to a different network. The `network` passed to `connect` must be identical to the one passed to `bind`. + /// - `invalid-state`: The socket is already in the `connected` state. (EISCONN) + /// - `invalid-state`: The socket is already in the `listening` state. (EOPNOTSUPP, EINVAL on Windows) + /// - `timeout`: Connection timed out. (ETIMEDOUT) + /// - `connection-refused`: The connection was forcefully rejected. (ECONNREFUSED) + /// - `connection-reset`: The connection was reset. (ECONNRESET) + /// - `connection-aborted`: The connection was aborted. (ECONNABORTED) + /// - `remote-unreachable`: The remote address is not reachable. (EHOSTUNREACH, EHOSTDOWN, ENETUNREACH, ENETDOWN, ENONET) + /// - `address-in-use`: Tried to perform an implicit bind, but there were no ephemeral ports available. (EADDRINUSE, EADDRNOTAVAIL on Linux, EAGAIN on BSD) + /// - `not-in-progress`: A connect operation is not in progress. + /// - `would-block`: Can't finish the operation, it is still in progress. (EWOULDBLOCK, EAGAIN) + /// + /// # Implementors note + /// The POSIX equivalent of `start-connect` is the regular `connect` syscall. + /// Because all WASI sockets are non-blocking this is expected to return + /// EINPROGRESS, which should be translated to `ok()` in WASI. + /// + /// The POSIX equivalent of `finish-connect` is a `poll` for event `POLLOUT` + /// with a timeout of 0 on the socket descriptor. Followed by a check for + /// the `SO_ERROR` socket option, in case the poll signaled readiness. + /// + /// # References + /// - + /// - + /// - + /// - + start-connect: func(network: borrow, remote-address: ip-socket-address) -> result<_, error-code>; + finish-connect: func() -> result, error-code>; + + /// Start listening for new connections. + /// + /// Transitions the socket into the `listening` state. + /// + /// Unlike POSIX, the socket must already be explicitly bound. + /// + /// # Typical errors + /// - `invalid-state`: The socket is not bound to any local address. (EDESTADDRREQ) + /// - `invalid-state`: The socket is already in the `connected` state. (EISCONN, EINVAL on BSD) + /// - `invalid-state`: The socket is already in the `listening` state. + /// - `address-in-use`: Tried to perform an implicit bind, but there were no ephemeral ports available. (EADDRINUSE) + /// - `not-in-progress`: A listen operation is not in progress. + /// - `would-block`: Can't finish the operation, it is still in progress. (EWOULDBLOCK, EAGAIN) + /// + /// # Implementors note + /// Unlike in POSIX, in WASI the listen operation is async. This enables + /// interactive WASI hosts to inject permission prompts. Runtimes that + /// don't want to make use of this ability can simply call the native + /// `listen` as part of either `start-listen` or `finish-listen`. + /// + /// # References + /// - + /// - + /// - + /// - + start-listen: func() -> result<_, error-code>; + finish-listen: func() -> result<_, error-code>; + + /// Accept a new client socket. + /// + /// The returned socket is bound and in the `connected` state. The following properties are inherited from the listener socket: + /// - `address-family` + /// - `keep-alive-enabled` + /// - `keep-alive-idle-time` + /// - `keep-alive-interval` + /// - `keep-alive-count` + /// - `hop-limit` + /// - `receive-buffer-size` + /// - `send-buffer-size` + /// + /// On success, this function returns the newly accepted client socket along with + /// a pair of streams that can be used to read & write to the connection. + /// + /// # Typical errors + /// - `invalid-state`: Socket is not in the `listening` state. (EINVAL) + /// - `would-block`: No pending connections at the moment. (EWOULDBLOCK, EAGAIN) + /// - `connection-aborted`: An incoming connection was pending, but was terminated by the client before this listener could accept it. (ECONNABORTED) + /// - `new-socket-limit`: The new socket resource could not be created because of a system limit. (EMFILE, ENFILE) + /// + /// # References + /// - + /// - + /// - + /// - + accept: func() -> result, error-code>; + + /// Get the bound local address. + /// + /// POSIX mentions: + /// > If the socket has not been bound to a local name, the value + /// > stored in the object pointed to by `address` is unspecified. + /// + /// WASI is stricter and requires `local-address` to return `invalid-state` when the socket hasn't been bound yet. + /// + /// # Typical errors + /// - `invalid-state`: The socket is not bound to any local address. + /// + /// # References + /// - + /// - + /// - + /// - + local-address: func() -> result; + + /// Get the remote address. + /// + /// # Typical errors + /// - `invalid-state`: The socket is not connected to a remote address. (ENOTCONN) + /// + /// # References + /// - + /// - + /// - + /// - + remote-address: func() -> result; + + /// Whether the socket is in the `listening` state. + /// + /// Equivalent to the SO_ACCEPTCONN socket option. + is-listening: func() -> bool; + + /// Whether this is a IPv4 or IPv6 socket. + /// + /// Equivalent to the SO_DOMAIN socket option. + address-family: func() -> ip-address-family; + + /// Hints the desired listen queue size. Implementations are free to ignore this. + /// + /// If the provided value is 0, an `invalid-argument` error is returned. + /// Any other value will never cause an error, but it might be silently clamped and/or rounded. + /// + /// # Typical errors + /// - `not-supported`: (set) The platform does not support changing the backlog size after the initial listen. + /// - `invalid-argument`: (set) The provided value was 0. + /// - `invalid-state`: (set) The socket is in the `connect-in-progress` or `connected` state. + set-listen-backlog-size: func(value: u64) -> result<_, error-code>; + + /// Enables or disables keepalive. + /// + /// The keepalive behavior can be adjusted using: + /// - `keep-alive-idle-time` + /// - `keep-alive-interval` + /// - `keep-alive-count` + /// These properties can be configured while `keep-alive-enabled` is false, but only come into effect when `keep-alive-enabled` is true. + /// + /// Equivalent to the SO_KEEPALIVE socket option. + keep-alive-enabled: func() -> result; + set-keep-alive-enabled: func(value: bool) -> result<_, error-code>; + + /// Amount of time the connection has to be idle before TCP starts sending keepalive packets. + /// + /// If the provided value is 0, an `invalid-argument` error is returned. + /// Any other value will never cause an error, but it might be silently clamped and/or rounded. + /// I.e. after setting a value, reading the same setting back may return a different value. + /// + /// Equivalent to the TCP_KEEPIDLE socket option. (TCP_KEEPALIVE on MacOS) + /// + /// # Typical errors + /// - `invalid-argument`: (set) The provided value was 0. + keep-alive-idle-time: func() -> result; + set-keep-alive-idle-time: func(value: duration) -> result<_, error-code>; + + /// The time between keepalive packets. + /// + /// If the provided value is 0, an `invalid-argument` error is returned. + /// Any other value will never cause an error, but it might be silently clamped and/or rounded. + /// I.e. after setting a value, reading the same setting back may return a different value. + /// + /// Equivalent to the TCP_KEEPINTVL socket option. + /// + /// # Typical errors + /// - `invalid-argument`: (set) The provided value was 0. + keep-alive-interval: func() -> result; + set-keep-alive-interval: func(value: duration) -> result<_, error-code>; + + /// The maximum amount of keepalive packets TCP should send before aborting the connection. + /// + /// If the provided value is 0, an `invalid-argument` error is returned. + /// Any other value will never cause an error, but it might be silently clamped and/or rounded. + /// I.e. after setting a value, reading the same setting back may return a different value. + /// + /// Equivalent to the TCP_KEEPCNT socket option. + /// + /// # Typical errors + /// - `invalid-argument`: (set) The provided value was 0. + keep-alive-count: func() -> result; + set-keep-alive-count: func(value: u32) -> result<_, error-code>; + + /// Equivalent to the IP_TTL & IPV6_UNICAST_HOPS socket options. + /// + /// If the provided value is 0, an `invalid-argument` error is returned. + /// + /// # Typical errors + /// - `invalid-argument`: (set) The TTL value must be 1 or higher. + hop-limit: func() -> result; + set-hop-limit: func(value: u8) -> result<_, error-code>; + + /// The kernel buffer space reserved for sends/receives on this socket. + /// + /// If the provided value is 0, an `invalid-argument` error is returned. + /// Any other value will never cause an error, but it might be silently clamped and/or rounded. + /// I.e. after setting a value, reading the same setting back may return a different value. + /// + /// Equivalent to the SO_RCVBUF and SO_SNDBUF socket options. + /// + /// # Typical errors + /// - `invalid-argument`: (set) The provided value was 0. + receive-buffer-size: func() -> result; + set-receive-buffer-size: func(value: u64) -> result<_, error-code>; + send-buffer-size: func() -> result; + set-send-buffer-size: func(value: u64) -> result<_, error-code>; + + /// Create a `pollable` which can be used to poll for, or block on, + /// completion of any of the asynchronous operations of this socket. + /// + /// When `finish-bind`, `finish-listen`, `finish-connect` or `accept` + /// return `error(would-block)`, this pollable can be used to wait for + /// their success or failure, after which the method can be retried. + /// + /// The pollable is not limited to the async operation that happens to be + /// in progress at the time of calling `subscribe` (if any). Theoretically, + /// `subscribe` only has to be called once per socket and can then be + /// (re)used for the remainder of the socket's lifetime. + /// + /// See + /// for a more information. + /// + /// Note: this function is here for WASI Preview2 only. + /// It's planned to be removed when `future` is natively supported in Preview3. + subscribe: func() -> pollable; + + /// Initiate a graceful shutdown. + /// + /// - `receive`: The socket is not expecting to receive any data from + /// the peer. The `input-stream` associated with this socket will be + /// closed. Any data still in the receive queue at time of calling + /// this method will be discarded. + /// - `send`: The socket has no more data to send to the peer. The `output-stream` + /// associated with this socket will be closed and a FIN packet will be sent. + /// - `both`: Same effect as `receive` & `send` combined. + /// + /// This function is idempotent. Shutting a down a direction more than once + /// has no effect and returns `ok`. + /// + /// The shutdown function does not close (drop) the socket. + /// + /// # Typical errors + /// - `invalid-state`: The socket is not in the `connected` state. (ENOTCONN) + /// + /// # References + /// - + /// - + /// - + /// - + shutdown: func(shutdown-type: shutdown-type) -> result<_, error-code>; + } +} diff --git a/wit/deps/sockets/udp-create-socket.wit b/wit/deps/sockets/udp-create-socket.wit new file mode 100644 index 0000000..0482d1f --- /dev/null +++ b/wit/deps/sockets/udp-create-socket.wit @@ -0,0 +1,27 @@ + +interface udp-create-socket { + use network.{network, error-code, ip-address-family}; + use udp.{udp-socket}; + + /// Create a new UDP socket. + /// + /// Similar to `socket(AF_INET or AF_INET6, SOCK_DGRAM, IPPROTO_UDP)` in POSIX. + /// On IPv6 sockets, IPV6_V6ONLY is enabled by default and can't be configured otherwise. + /// + /// This function does not require a network capability handle. This is considered to be safe because + /// at time of creation, the socket is not bound to any `network` yet. Up to the moment `bind` is called, + /// the socket is effectively an in-memory configuration object, unable to communicate with the outside world. + /// + /// All sockets are non-blocking. Use the wasi-poll interface to block on asynchronous operations. + /// + /// # Typical errors + /// - `not-supported`: The specified `address-family` is not supported. (EAFNOSUPPORT) + /// - `new-socket-limit`: The new socket resource could not be created because of a system limit. (EMFILE, ENFILE) + /// + /// # References: + /// - + /// - + /// - + /// - + create-udp-socket: func(address-family: ip-address-family) -> result; +} diff --git a/wit/deps/sockets/udp.wit b/wit/deps/sockets/udp.wit new file mode 100644 index 0000000..d987a0a --- /dev/null +++ b/wit/deps/sockets/udp.wit @@ -0,0 +1,266 @@ + +interface udp { + use wasi:io/poll@0.2.0.{pollable}; + use network.{network, error-code, ip-socket-address, ip-address-family}; + + /// A received datagram. + record incoming-datagram { + /// The payload. + /// + /// Theoretical max size: ~64 KiB. In practice, typically less than 1500 bytes. + data: list, + + /// The source address. + /// + /// This field is guaranteed to match the remote address the stream was initialized with, if any. + /// + /// Equivalent to the `src_addr` out parameter of `recvfrom`. + remote-address: ip-socket-address, + } + + /// A datagram to be sent out. + record outgoing-datagram { + /// The payload. + data: list, + + /// The destination address. + /// + /// The requirements on this field depend on how the stream was initialized: + /// - with a remote address: this field must be None or match the stream's remote address exactly. + /// - without a remote address: this field is required. + /// + /// If this value is None, the send operation is equivalent to `send` in POSIX. Otherwise it is equivalent to `sendto`. + remote-address: option, + } + + + + /// A UDP socket handle. + resource udp-socket { + /// Bind the socket to a specific network on the provided IP address and port. + /// + /// If the IP address is zero (`0.0.0.0` in IPv4, `::` in IPv6), it is left to the implementation to decide which + /// network interface(s) to bind to. + /// If the port is zero, the socket will be bound to a random free port. + /// + /// # Typical errors + /// - `invalid-argument`: The `local-address` has the wrong address family. (EAFNOSUPPORT, EFAULT on Windows) + /// - `invalid-state`: The socket is already bound. (EINVAL) + /// - `address-in-use`: No ephemeral ports available. (EADDRINUSE, ENOBUFS on Windows) + /// - `address-in-use`: Address is already in use. (EADDRINUSE) + /// - `address-not-bindable`: `local-address` is not an address that the `network` can bind to. (EADDRNOTAVAIL) + /// - `not-in-progress`: A `bind` operation is not in progress. + /// - `would-block`: Can't finish the operation, it is still in progress. (EWOULDBLOCK, EAGAIN) + /// + /// # Implementors note + /// Unlike in POSIX, in WASI the bind operation is async. This enables + /// interactive WASI hosts to inject permission prompts. Runtimes that + /// don't want to make use of this ability can simply call the native + /// `bind` as part of either `start-bind` or `finish-bind`. + /// + /// # References + /// - + /// - + /// - + /// - + start-bind: func(network: borrow, local-address: ip-socket-address) -> result<_, error-code>; + finish-bind: func() -> result<_, error-code>; + + /// Set up inbound & outbound communication channels, optionally to a specific peer. + /// + /// This function only changes the local socket configuration and does not generate any network traffic. + /// On success, the `remote-address` of the socket is updated. The `local-address` may be updated as well, + /// based on the best network path to `remote-address`. + /// + /// When a `remote-address` is provided, the returned streams are limited to communicating with that specific peer: + /// - `send` can only be used to send to this destination. + /// - `receive` will only return datagrams sent from the provided `remote-address`. + /// + /// This method may be called multiple times on the same socket to change its association, but + /// only the most recently returned pair of streams will be operational. Implementations may trap if + /// the streams returned by a previous invocation haven't been dropped yet before calling `stream` again. + /// + /// The POSIX equivalent in pseudo-code is: + /// ```text + /// if (was previously connected) { + /// connect(s, AF_UNSPEC) + /// } + /// if (remote_address is Some) { + /// connect(s, remote_address) + /// } + /// ``` + /// + /// Unlike in POSIX, the socket must already be explicitly bound. + /// + /// # Typical errors + /// - `invalid-argument`: The `remote-address` has the wrong address family. (EAFNOSUPPORT) + /// - `invalid-argument`: The IP address in `remote-address` is set to INADDR_ANY (`0.0.0.0` / `::`). (EDESTADDRREQ, EADDRNOTAVAIL) + /// - `invalid-argument`: The port in `remote-address` is set to 0. (EDESTADDRREQ, EADDRNOTAVAIL) + /// - `invalid-state`: The socket is not bound. + /// - `address-in-use`: Tried to perform an implicit bind, but there were no ephemeral ports available. (EADDRINUSE, EADDRNOTAVAIL on Linux, EAGAIN on BSD) + /// - `remote-unreachable`: The remote address is not reachable. (ECONNRESET, ENETRESET, EHOSTUNREACH, EHOSTDOWN, ENETUNREACH, ENETDOWN, ENONET) + /// - `connection-refused`: The connection was refused. (ECONNREFUSED) + /// + /// # References + /// - + /// - + /// - + /// - + %stream: func(remote-address: option) -> result, error-code>; + + /// Get the current bound address. + /// + /// POSIX mentions: + /// > If the socket has not been bound to a local name, the value + /// > stored in the object pointed to by `address` is unspecified. + /// + /// WASI is stricter and requires `local-address` to return `invalid-state` when the socket hasn't been bound yet. + /// + /// # Typical errors + /// - `invalid-state`: The socket is not bound to any local address. + /// + /// # References + /// - + /// - + /// - + /// - + local-address: func() -> result; + + /// Get the address the socket is currently streaming to. + /// + /// # Typical errors + /// - `invalid-state`: The socket is not streaming to a specific remote address. (ENOTCONN) + /// + /// # References + /// - + /// - + /// - + /// - + remote-address: func() -> result; + + /// Whether this is a IPv4 or IPv6 socket. + /// + /// Equivalent to the SO_DOMAIN socket option. + address-family: func() -> ip-address-family; + + /// Equivalent to the IP_TTL & IPV6_UNICAST_HOPS socket options. + /// + /// If the provided value is 0, an `invalid-argument` error is returned. + /// + /// # Typical errors + /// - `invalid-argument`: (set) The TTL value must be 1 or higher. + unicast-hop-limit: func() -> result; + set-unicast-hop-limit: func(value: u8) -> result<_, error-code>; + + /// The kernel buffer space reserved for sends/receives on this socket. + /// + /// If the provided value is 0, an `invalid-argument` error is returned. + /// Any other value will never cause an error, but it might be silently clamped and/or rounded. + /// I.e. after setting a value, reading the same setting back may return a different value. + /// + /// Equivalent to the SO_RCVBUF and SO_SNDBUF socket options. + /// + /// # Typical errors + /// - `invalid-argument`: (set) The provided value was 0. + receive-buffer-size: func() -> result; + set-receive-buffer-size: func(value: u64) -> result<_, error-code>; + send-buffer-size: func() -> result; + set-send-buffer-size: func(value: u64) -> result<_, error-code>; + + /// Create a `pollable` which will resolve once the socket is ready for I/O. + /// + /// Note: this function is here for WASI Preview2 only. + /// It's planned to be removed when `future` is natively supported in Preview3. + subscribe: func() -> pollable; + } + + resource incoming-datagram-stream { + /// Receive messages on the socket. + /// + /// This function attempts to receive up to `max-results` datagrams on the socket without blocking. + /// The returned list may contain fewer elements than requested, but never more. + /// + /// This function returns successfully with an empty list when either: + /// - `max-results` is 0, or: + /// - `max-results` is greater than 0, but no results are immediately available. + /// This function never returns `error(would-block)`. + /// + /// # Typical errors + /// - `remote-unreachable`: The remote address is not reachable. (ECONNRESET, ENETRESET on Windows, EHOSTUNREACH, EHOSTDOWN, ENETUNREACH, ENETDOWN, ENONET) + /// - `connection-refused`: The connection was refused. (ECONNREFUSED) + /// + /// # References + /// - + /// - + /// - + /// - + /// - + /// - + /// - + /// - + receive: func(max-results: u64) -> result, error-code>; + + /// Create a `pollable` which will resolve once the stream is ready to receive again. + /// + /// Note: this function is here for WASI Preview2 only. + /// It's planned to be removed when `future` is natively supported in Preview3. + subscribe: func() -> pollable; + } + + resource outgoing-datagram-stream { + /// Check readiness for sending. This function never blocks. + /// + /// Returns the number of datagrams permitted for the next call to `send`, + /// or an error. Calling `send` with more datagrams than this function has + /// permitted will trap. + /// + /// When this function returns ok(0), the `subscribe` pollable will + /// become ready when this function will report at least ok(1), or an + /// error. + /// + /// Never returns `would-block`. + check-send: func() -> result; + + /// Send messages on the socket. + /// + /// This function attempts to send all provided `datagrams` on the socket without blocking and + /// returns how many messages were actually sent (or queued for sending). This function never + /// returns `error(would-block)`. If none of the datagrams were able to be sent, `ok(0)` is returned. + /// + /// This function semantically behaves the same as iterating the `datagrams` list and sequentially + /// sending each individual datagram until either the end of the list has been reached or the first error occurred. + /// If at least one datagram has been sent successfully, this function never returns an error. + /// + /// If the input list is empty, the function returns `ok(0)`. + /// + /// Each call to `send` must be permitted by a preceding `check-send`. Implementations must trap if + /// either `check-send` was not called or `datagrams` contains more items than `check-send` permitted. + /// + /// # Typical errors + /// - `invalid-argument`: The `remote-address` has the wrong address family. (EAFNOSUPPORT) + /// - `invalid-argument`: The IP address in `remote-address` is set to INADDR_ANY (`0.0.0.0` / `::`). (EDESTADDRREQ, EADDRNOTAVAIL) + /// - `invalid-argument`: The port in `remote-address` is set to 0. (EDESTADDRREQ, EADDRNOTAVAIL) + /// - `invalid-argument`: The socket is in "connected" mode and `remote-address` is `some` value that does not match the address passed to `stream`. (EISCONN) + /// - `invalid-argument`: The socket is not "connected" and no value for `remote-address` was provided. (EDESTADDRREQ) + /// - `remote-unreachable`: The remote address is not reachable. (ECONNRESET, ENETRESET on Windows, EHOSTUNREACH, EHOSTDOWN, ENETUNREACH, ENETDOWN, ENONET) + /// - `connection-refused`: The connection was refused. (ECONNREFUSED) + /// - `datagram-too-large`: The datagram is too large. (EMSGSIZE) + /// + /// # References + /// - + /// - + /// - + /// - + /// - + /// - + /// - + /// - + send: func(datagrams: list) -> result; + + /// Create a `pollable` which will resolve once the stream is ready to send again. + /// + /// Note: this function is here for WASI Preview2 only. + /// It's planned to be removed when `future` is natively supported in Preview3. + subscribe: func() -> pollable; + } +} diff --git a/wit/deps/sockets/world.wit b/wit/deps/sockets/world.wit new file mode 100644 index 0000000..f8bb92a --- /dev/null +++ b/wit/deps/sockets/world.wit @@ -0,0 +1,11 @@ +package wasi:sockets@0.2.0; + +world imports { + import instance-network; + import network; + import udp; + import udp-create-socket; + import tcp; + import tcp-create-socket; + import ip-name-lookup; +} diff --git a/wit/deps/wrpc-http/handler.wit b/wit/deps/wrpc-http/handler.wit new file mode 100644 index 0000000..00732ce --- /dev/null +++ b/wit/deps/wrpc-http/handler.wit @@ -0,0 +1,11 @@ +interface incoming-handler { + use types.{request, response, error-code}; + + handle: func(request: request) -> result; +} + +interface outgoing-handler { + use types.{request, response, error-code, request-options}; + + handle: func(request: request, options: option) -> result; +} diff --git a/wit/deps/wrpc-http/proxy.wit b/wit/deps/wrpc-http/proxy.wit new file mode 100644 index 0000000..e9d827e --- /dev/null +++ b/wit/deps/wrpc-http/proxy.wit @@ -0,0 +1,32 @@ +package wrpc:http@0.1.0; + +/// The `wasi:http/proxy` world captures a widely-implementable intersection of +/// hosts that includes HTTP forward and reverse proxies. Components targeting +/// this world may concurrently stream in and out any number of incoming and +/// outgoing HTTP requests. +world proxy { + /// HTTP proxies have access to time and randomness. + include wasi:clocks/imports@0.2.0; + import wasi:random/random@0.2.0; + + /// Proxies have standard output and error streams which are expected to + /// terminate in a developer-facing console provided by the host. + import wasi:cli/stdout@0.2.0; + import wasi:cli/stderr@0.2.0; + + /// TODO: this is a temporary workaround until component tooling is able to + /// gracefully handle the absence of stdin. Hosts must return an eof stream + /// for this import, which is what wasi-libc + tooling will do automatically + /// when this import is properly removed. + import wasi:cli/stdin@0.2.0; + + /// This is the default handler to use when user code simply wants to make an + /// HTTP request (e.g., via `fetch()`). + import outgoing-handler; + + /// The host delivers incoming HTTP requests to a component by calling the + /// `handle` function of this exported interface. A host may arbitrarily reuse + /// or not reuse component instance when delivering incoming HTTP requests and + /// thus a component must be able to handle 0..N calls to `handle`. + export incoming-handler; +} diff --git a/wit/deps/wrpc-http/types.wit b/wit/deps/wrpc-http/types.wit new file mode 100644 index 0000000..b4f3dc1 --- /dev/null +++ b/wit/deps/wrpc-http/types.wit @@ -0,0 +1,38 @@ +interface types { + use wasi:http/types@0.2.0.{ + error-code as wasi-error-code, + method as wasi-method, + request-options as wasi-request-options, + scheme as wasi-scheme, + }; + use wasi:clocks/monotonic-clock@0.2.0.{duration}; + + type error-code = wasi-error-code; + type method = wasi-method; + type scheme = wasi-scheme; + + type fields = list>>>; + + record request-options { + connect-timeout: option, + first-byte-timeout: option, + between-bytes-timeout: option, + } + + record request { + body: stream, + trailers: future>, + method: method, + path-with-query: option, + scheme: option, + authority: option, + headers: fields, + } + + record response { + body: stream, + trailers: future>, + status: u16, + headers: fields, + } +} diff --git a/wit/provider.wit b/wit/provider.wit new file mode 100644 index 0000000..4117ec0 --- /dev/null +++ b/wit/provider.wit @@ -0,0 +1,6 @@ +package wasmcloud:provider; + +world internal { + import wrpc:http/incoming-handler@0.1.0; +} + diff --git a/wrpchttp/incoming.go b/wrpchttp/incoming.go new file mode 100644 index 0000000..12b24d7 --- /dev/null +++ b/wrpchttp/incoming.go @@ -0,0 +1,246 @@ +package wrpchttp + +import ( + "context" + "fmt" + "io" + "net/http" + "sync" + "sync/atomic" + + wasitypes "go.wasmcloud.dev/provider/internal/wasi/http/types" + "go.wasmcloud.dev/provider/internal/wrpc/http/incoming_handler" + wrpctypes "go.wasmcloud.dev/provider/internal/wrpc/http/types" + + wrpc "wrpc.io/go" +) + +type IncomingRoundTripper struct { + director func(*http.Request) string + natsCreator NatsClientCreator + invoker func(context.Context, wrpc.Invoker, *wrpctypes.Request) (*wrpc.Result[incoming_handler.Response, incoming_handler.ErrorCode], <-chan error, error) +} + +var _ http.RoundTripper = (*IncomingRoundTripper)(nil) + +type IncomingHandlerOption func(*IncomingRoundTripper) + +func WithDirector(director func(*http.Request) string) IncomingHandlerOption { + return func(p *IncomingRoundTripper) { + p.director = director + } +} + +func WithSingleTarget(target string) IncomingHandlerOption { + return WithDirector(func(_ *http.Request) string { + return target + }) +} + +func NewIncomingRoundTripper(nc NatsClientCreator, opts ...IncomingHandlerOption) *IncomingRoundTripper { + p := &IncomingRoundTripper{ + natsCreator: nc, + invoker: incoming_handler.Handle, + } + for _, opt := range opts { + opt(p) + } + return p +} + +func (p *IncomingRoundTripper) RoundTrip(r *http.Request) (*http.Response, error) { + target := p.director(r) + if target == "" { + return nil, ErrNoTarget + } + + outgoingBodyTrailer := HttpBodyToWrpc(r.Body, r.Trailer) + pathWithQuery := r.URL.Path + if r.URL.RawQuery != "" { + pathWithQuery += "?" + r.URL.RawQuery + } + wreq := &wrpctypes.Request{ + Headers: HttpHeaderToWrpc(r.Header), + Method: HttpMethodToWrpc(r.Method), + Scheme: HttpSchemeToWrpc(r.URL.Scheme), + PathWithQuery: &pathWithQuery, + Authority: &r.Host, + Body: outgoingBodyTrailer, + Trailers: outgoingBodyTrailer, + } + + wrpcClient := p.natsCreator.OutgoingRpcClient(target) + wresp, errCh, err := p.invoker(r.Context(), wrpcClient, wreq) + if err != nil { + return nil, err + } + + if wresp.Err != nil { + return nil, fmt.Errorf("%w: %s", ErrRPC, wresp.Err) + } + + respBody, trailers := WrpcBodyToHttp(wresp.Ok.Body, wresp.Ok.Trailers) + + resp := &http.Response{ + StatusCode: int(wresp.Ok.Status), + Header: make(http.Header), + Request: r, + Body: respBody, + Trailer: trailers, + } + + for _, hdr := range wresp.Ok.Headers { + for _, hdrVal := range hdr.V1 { + resp.Header.Add(hdr.V0, string(hdrVal)) + } + } + + errList := []error{} + for err := range errCh { + errList = append(errList, err) + } + + if len(errList) > 0 { + return nil, fmt.Errorf("%w: %v", ErrRPC, errList) + } + + return resp, nil +} + +type wrpcIncomingBody struct { + body io.Reader + trailer http.Header + trailerRx wrpc.Receiver[[]*wrpc.Tuple2[string, [][]byte]] + trailerOnce sync.Once + trailerIsReady uint32 +} + +func (r *wrpcIncomingBody) Close() error { + return nil +} + +func (r *wrpcIncomingBody) readTrailerOnce() { + r.trailerOnce.Do(func() { + trailers, err := r.trailerRx.Receive() + if err != nil { + return + } + for _, header := range trailers { + for _, value := range header.V1 { + r.trailer.Add(header.V0, string(value)) + } + } + atomic.CompareAndSwapUint32(&r.trailerIsReady, 0, 1) + }) +} + +func (r *wrpcIncomingBody) Read(b []byte) (int, error) { + n, err := r.body.Read(b) + if err == io.EOF { + r.readTrailerOnce() + } + return n, err +} + +type wrpcOutgoingBody struct { + body io.ReadCloser + trailer http.Header + bodyIsDone chan struct{} + trailerOnce sync.Once +} + +func (r *wrpcOutgoingBody) Read(b []byte) (int, error) { + n, err := r.body.Read(b) + if err == io.EOF { + r.finish() + } + return n, err +} + +func (r *wrpcOutgoingBody) Receive() ([]*wrpc.Tuple2[string, [][]byte], error) { + <-r.bodyIsDone + trailers := HttpHeaderToWrpc(r.trailer) + return trailers, nil +} + +func (r *wrpcOutgoingBody) finish() { + r.trailerOnce.Do(func() { + r.body.Close() + close(r.bodyIsDone) + }) +} + +func (r *wrpcOutgoingBody) Close() error { + r.finish() + + return nil +} + +func HttpBodyToWrpc(body io.ReadCloser, trailer http.Header) *wrpcOutgoingBody { + return &wrpcOutgoingBody{ + body: body, + trailer: trailer, + bodyIsDone: make(chan struct{}, 1), + } +} + +func WrpcBodyToHttp(body io.Reader, trailerRx wrpc.Receiver[[]*wrpc.Tuple2[string, [][]uint8]]) (*wrpcIncomingBody, http.Header) { + trailer := make(http.Header) + return &wrpcIncomingBody{ + body: body, + trailerRx: trailerRx, + trailer: trailer, + }, trailer +} + +func HttpMethodToWrpc(method string) *wrpctypes.Method { + switch method { + case http.MethodConnect: + return wasitypes.NewMethodConnect() + case http.MethodGet: + return wasitypes.NewMethodGet() + case http.MethodHead: + return wasitypes.NewMethodHead() + case http.MethodPost: + return wasitypes.NewMethodPost() + case http.MethodPut: + return wasitypes.NewMethodPut() + case http.MethodPatch: + return wasitypes.NewMethodPatch() + case http.MethodDelete: + return wasitypes.NewMethodDelete() + case http.MethodOptions: + return wasitypes.NewMethodOptions() + case http.MethodTrace: + return wasitypes.NewMethodTrace() + default: + return wasitypes.NewMethodOther(method) + } +} + +func HttpSchemeToWrpc(scheme string) *wrpctypes.Scheme { + switch scheme { + case "http": + return wasitypes.NewSchemeHttp() + case "https": + return wasitypes.NewSchemeHttps() + default: + return wasitypes.NewSchemeOther(scheme) + } +} + +func HttpHeaderToWrpc(header http.Header) []*wrpc.Tuple2[string, [][]uint8] { + wasiHeader := make([]*wrpc.Tuple2[string, [][]uint8], 0, len(header)) + for k, vals := range header { + var uintVals [][]uint8 + for _, v := range vals { + uintVals = append(uintVals, []byte(v)) + } + wasiHeader = append(wasiHeader, &wrpc.Tuple2[string, [][]uint8]{ + V0: k, + V1: uintVals, + }) + } + + return wasiHeader +} diff --git a/wrpchttp/incoming_test.go b/wrpchttp/incoming_test.go new file mode 100644 index 0000000..0811af2 --- /dev/null +++ b/wrpchttp/incoming_test.go @@ -0,0 +1,195 @@ +package wrpchttp + +import ( + "bytes" + "context" + "io" + "net/http" + "testing" + + wasitypes "go.wasmcloud.dev/provider/internal/wasi/http/types" + "go.wasmcloud.dev/provider/internal/wrpc/http/incoming_handler" + wrpctypes "go.wasmcloud.dev/provider/internal/wrpc/http/types" + wrpc "wrpc.io/go" + wrpcnats "wrpc.io/go/nats" +) + +func TestHttpSchemeToWrpc(t *testing.T) { + tt := map[string]wasitypes.SchemeDiscriminant{ + "http": wasitypes.SchemeHttp, + "https": wasitypes.SchemeHttps, + "some_other_scheme": wasitypes.SchemeOther, + } + + for stdMethod, wasiMethod := range tt { + t.Run(stdMethod, func(t *testing.T) { + if want, got := wasiMethod, HttpSchemeToWrpc(stdMethod).Discriminant(); got != want { + t.Errorf("want %v, got %v", want, got) + } + }) + } +} + +func TestHttpMethodToWrpc(t *testing.T) { + tt := map[string]wasitypes.MethodDiscriminant{ + http.MethodGet: wasitypes.MethodGet, + http.MethodHead: wasitypes.MethodHead, + http.MethodPost: wasitypes.MethodPost, + http.MethodPut: wasitypes.MethodPut, + http.MethodPatch: wasitypes.MethodPatch, + http.MethodDelete: wasitypes.MethodDelete, + http.MethodConnect: wasitypes.MethodConnect, + http.MethodOptions: wasitypes.MethodOptions, + http.MethodTrace: wasitypes.MethodTrace, + } + + for stdMethod, wasiMethod := range tt { + t.Run(stdMethod, func(t *testing.T) { + if want, got := wasiMethod, HttpMethodToWrpc(stdMethod).Discriminant(); got != want { + t.Errorf("want %v, got %v", want, got) + } + }) + } +} + +func TestHttpHeaderToWrpc(t *testing.T) { + tt := map[string]http.Header{ + "blank": {}, + "single": { + "Key": []string{"value"}, + }, + "multi": { + "Key": []string{"value1", "value2"}, + "Another": []string{"value1", "value2"}, + }, + } + + for name, headers := range tt { + t.Run(name, func(t *testing.T) { + wheaders := HttpHeaderToWrpc(headers) + if want := len(headers); len(wheaders) != want { + t.Errorf("want %v, got %v", want, len(wheaders)) + } + + for _, wheader := range wheaders { + origHeader := headers.Values(wheader.V0) + if want, got := len(origHeader), len(wheader.V1); got != want { + t.Errorf("header '%s' expected %v values, got %v", wheader.V0, want, got) + continue + } + } + }) + } +} + +type fakeNatsCreator struct { + OutgoingRpcClientFunc func(target string) *wrpcnats.Client +} + +func (f fakeNatsCreator) OutgoingRpcClient(target string) *wrpcnats.Client { + return f.OutgoingRpcClientFunc(target) +} + +type fakeReceiver struct { + headers http.Header +} + +func (f fakeReceiver) Receive() ([]*wrpc.Tuple2[string, [][]uint8], error) { + return HttpHeaderToWrpc(f.headers), nil +} + +func TestRoundtrip(t *testing.T) { + reqBody := "hello request" + respBody := "hello response" + pathWithQuery := "/path?q=val" + req, _ := http.NewRequest(http.MethodPost, "http://example.com"+pathWithQuery, bytes.NewReader([]byte(reqBody))) + req.Header.Add("X-Client-Custom", "x-client-value") + + wrpcTarget := "component_id" + fakeNc := fakeNatsCreator{ + OutgoingRpcClientFunc: func(target string) *wrpcnats.Client { + if target != wrpcTarget { + t.Errorf("expected target %s, got %s", wrpcTarget, target) + } + return nil + }, + } + + fakeInvoker := func(_ context.Context, _ wrpc.Invoker, wrpcReq *wrpctypes.Request) (*wrpc.Result[incoming_handler.Response, incoming_handler.ErrorCode], <-chan error, error) { + if want, got := "example.com", *wrpcReq.Authority; want != got { + t.Errorf("expected authority %s, got %s", want, got) + } + + if want, got := pathWithQuery, *wrpcReq.PathWithQuery; want != got { + t.Errorf("expected pathWithQuery %s, got %s", want, got) + } + + if want, got := wasitypes.SchemeHttp, wrpcReq.Scheme.Discriminant(); want != got { + t.Errorf("expected scheme %d, got %d", want, got) + } + + if want, got := wasitypes.MethodPost, wrpcReq.Method.Discriminant(); want != got { + t.Errorf("expected method %d, got %d", want, got) + } + + if want, got := 1, len(wrpcReq.Headers); want != got { + t.Fatalf("expected %v headers, got %v", want, got) + } + + if want, got := "X-Client-Custom", wrpcReq.Headers[0].V0; want != got { + t.Fatalf("expected header %v, got %v", want, got) + } + + if want, got := 1, len(wrpcReq.Headers[0].V1); want != got { + t.Fatalf("expected %v header values, got %v", want, got) + } + + if want, got := "x-client-value", string(wrpcReq.Headers[0].V1[0]); want != got { + t.Fatalf("expected header value %v, got %v", want, got) + } + + body, err := io.ReadAll(wrpcReq.Body) + if err != nil { + t.Fatalf("unexpected error %v", err) + } + if want, got := reqBody, string(body); want != got { + t.Errorf("expected body %v, got %v", want, got) + } + + resp := wrpctypes.Response{ + Status: http.StatusOK, + Headers: HttpHeaderToWrpc(http.Header{"X-Custom": []string{"x-value"}}), + Body: bytes.NewReader([]byte(respBody)), + Trailers: fakeReceiver{headers: http.Header{}}, + } + + errCh := make(chan error) + close(errCh) + return wrpc.Ok[incoming_handler.ErrorCode](resp), errCh, nil + } + + roundTripper := NewIncomingRoundTripper(fakeNc, WithSingleTarget(wrpcTarget)) + // NOTE(lxf): We are testing the roundtripper and not wrpc e2e + roundTripper.invoker = fakeInvoker + + resp, err := roundTripper.RoundTrip(req) + if err != nil { + t.Errorf("unexpected error %v", err) + } + + if want, got := http.StatusOK, resp.StatusCode; want != got { + t.Errorf("expected status code %v, got %v", want, got) + } + + body, err := io.ReadAll(resp.Body) + if err != nil { + t.Fatalf("unexpected error %v", err) + } + if want, got := respBody, string(body); want != got { + t.Errorf("expected body %v, got %v", want, got) + } + + if want, got := error(nil), resp.Body.Close(); want != got { + t.Errorf("expected body.Close() to return %v, got %v", want, got) + } +} diff --git a/wrpchttp/wrpchttp.go b/wrpchttp/wrpchttp.go new file mode 100644 index 0000000..2000f9c --- /dev/null +++ b/wrpchttp/wrpchttp.go @@ -0,0 +1,16 @@ +package wrpchttp + +import ( + "errors" + + wrpcnats "wrpc.io/go/nats" +) + +var ( + ErrNoTarget = errors.New("no target") + ErrRPC = errors.New("rpc error") +) + +type NatsClientCreator interface { + OutgoingRpcClient(target string) *wrpcnats.Client +}