Initial commit

.github/workflows/ci.yaml

@@ -0,0 +1,31 @@
+name: Build and Upload
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+
+    - name: Set up Go
+      uses: actions/setup-go@v5
+      with:
+        go-version: 1.22
+
+    - name: Build
+      run: ./build.sh
+
+    - name: Archive production artifacts
+      uses: actions/upload-artifact@v4
+      with:
+        name: bon-voyage-agent
+        path: build

.gitignore

@@ -0,0 +1 @@
+build/

README.md

@@ -0,0 +1,5 @@
+# Bon Voyage Agent
+
+## Usage
+
+

build.sh

@@ -0,0 +1,45 @@
+#!/usr/bin/env bash
+
+# Exit immediately if a command exits with a non-zero status
+set -e
+
+# Variables
+BASEDIR=$(dirname $(realpath "$0"))
+echo "Base Dir: $BASEDIR"
+TARGET="bon-voyage-agent"
+SRC_DIR="$BASEDIR/src"
+PLUGIN_SRC_DIR="$BASEDIR/src/plugins"
+BUILD_DIR="$BASEDIR/build"
+PLUGIN_BUILD_DIR="$BUILD_DIR/plugins"
+
+# Check if Go is installed
+if ! [ -x "$(command -v go)" ]; then
+  echo "Error: Go is not installed." >&2
+  exit 1
+fi
+
+# Determine the operating system
+OS="$(uname -s)"
+case "$OS" in
+    Linux*)     GOOS="linux";;
+    Darwin*)    GOOS="darwin";;
+    *)          echo "Unsupported OS: $OS"; exit 1;;
+esac
+
+# Clean previous builds
+echo "Cleaning previous builds..."
+rm -f $BUILD_DIR/$TARGET
+
+# Build the agent
+echo "Building agent ..."
+cd $SRC_DIR
+
+GIT_HASH=$(git rev-parse HEAD)
+go build -o $BUILD_DIR/$TARGET -ldflags="-X main.Commit=$GIT_HASH"
+cd $BASEDIR
+
+# Build the plugins
+cd $PLUGIN_SRC_DIR
+./build_plugins.sh $PLUGIN_BUILD_DIR
+cd $BASEDIR
+echo "Build finished. See README.md for usage."

example/config.yaml

@@ -0,0 +1,8 @@
+# Bon Voyage Agent
+agent: 
+  name: "Voyager"
+  id: "60F8A8EF-0D07-4353-B238-A4D568100E3B"
+server:
+  host: "192.168.1.148"
+  port: 6666
+  key: ""

src/connection/agent_module.go

@@ -0,0 +1,69 @@
+package connection
+
+import (
+	"bon-voyage-agent/models"
+	"encoding/json"
+	"fmt"
+)
+
+const pluginName = "serial"
+
+// Implements interface Plugin
+type PluginAgent struct {
+	Name         string
+	Information  models.AgentInformation
+	Capabilities []string
+	Plugins      []string
+}
+
+func (p PluginAgent) Init(params any) string {
+
+	switch v := params.(type) {
+	case models.AgentInformation:
+		PluginInstance.Information = v
+	default:
+		fmt.Printf("Invalid plugin params")
+	}
+	p.Name = pluginName
+	return p.Name
+}
+
+func AgentCall(request models.RPCRequest, response *models.RPCResponse) {
+
+	switch request.Method {
+	case "agent_get_information":
+		i, err := json.Marshal(PluginInstance.Information)
+		if err != nil {
+			response.Error = err.Error()
+			return
+		}
+		response.Result = string(i)
+	case "agent_set_name":
+		var name models.SetNameMethod
+		err := json.Unmarshal(request.Params, &name)
+		if err != nil {
+			response.Error = err.Error()
+		}
+		PluginInstance.Information.Name = name.Name
+
+	case "agent_get_capabilities":
+		i, err := json.Marshal(PluginInstance.Capabilities)
+		if err != nil {
+			response.Error = err.Error()
+			return
+		}
+		response.Result = string(i)
+	case "agent_get_plugins":
+		i, err := json.Marshal(PluginInstance.Plugins)
+		if err != nil {
+			response.Error = err.Error()
+			return
+		}
+		response.Result = string(i)
+	default:
+		response.Error = "Unknown method"
+	}
+}
+
+// Exported symbol
+var PluginInstance PluginAgent

src/connection/api.go

@@ -0,0 +1,65 @@
+package connection
+
+import (
+	"bon-voyage-agent/models"
+	"encoding/json"
+	"fmt"
+	"strings"
+)
+
+type Handler func(models.RPCRequest, *models.RPCResponse)
+
+type Route struct {
+	handler Handler
+}
+
+func NewRoute() *Route {
+	return &Route{}
+}
+
+type Router struct {
+	NotFoundHandler Handler
+	namedRoutes     map[string]*Route
+}
+
+func NewRouter() *Router {
+	r := Router{namedRoutes: make(map[string]*Route)}
+	r.HandleFunc("agent", AgentCall)
+	return &r
+}
+
+func (r *Router) HandleFunc(name string, f func(request models.RPCRequest, response *models.RPCResponse)) *Route {
+	route := &Route{handler: f}
+	r.namedRoutes[name] = route
+	return route
+}
+
+func (r *Router) ParseMessage(data []byte) ([]byte, error) {
+
+	var request models.RPCRequest
+	err := json.Unmarshal(data, &request)
+	if err != nil {
+		return nil, fmt.Errorf("unmarshal error: %v", err)
+	}
+	if request.Jsonrpc != "2.0" {
+		return nil, fmt.Errorf("jsonrpc field not '2.0'")
+	}
+
+	response := models.RPCResponse{
+		Jsonrpc: "2.0",
+		ID:      request.ID,
+	}
+	if len(strings.Split(request.Method, "_")) == 0 {
+		return nil, fmt.Errorf("method malformed")
+	}
+	routeName := strings.Split(request.Method, "_")[0]
+
+	route := r.namedRoutes[routeName]
+	route.handler(request, &response)
+
+	resBytes, err := json.Marshal(response)
+	if err != nil {
+		return nil, fmt.Errorf("marshal error: %v", err)
+	}
+	return resBytes, nil
+}

src/connection/connection.go

@@ -0,0 +1,110 @@
+package connection
+
+import (
+	"fmt"
+	"net/http"
+	"net/url"
+
+	"github.com/gorilla/websocket"
+)
+
+type Connection struct {
+	Host  string
+	Port  string
+	Name  string
+	Uuid  string
+	Key   string
+	Token string
+}
+
+func (c Connection) serverUrl(path string) *url.URL {
+	return &url.URL{
+		Scheme: "ws",
+		Host:   c.Host + ":" + c.Port,
+		Path:   path,
+	}
+}
+
+func (c Connection) header() http.Header {
+	h := http.Header{}
+	h.Add("X-Device-UUID", c.Uuid)
+	h.Add("X-Device-Name", c.Name)
+	if c.Key != "" {
+		h.Add("X-Device-Api-Key", c.Key)
+	}
+	return h
+}
+
+func (c Connection) ConnectDataSocket() (*websocket.Conn, error) {
+
+	d := websocket.DefaultDialer
+	d.Subprotocols = []string{"serial-tunnel-v1"}
+
+	socket, _, err := d.Dial(c.serverUrl("/api/device/data").String(), c.header())
+	if err != nil {
+		return nil, fmt.Errorf("dial: %v", err)
+	}
+
+	return socket, nil
+
+	// done := make(chan struct{})
+
+	// go func() {
+	// 	defer close(done)
+	// 	for {
+	// 		_, message, err := socket.ReadMessage()
+	// 		if err != nil {
+	// 			if websocket.IsCloseError(err, websocket.CloseNormalClosure) {
+	// 				return
+	// 			}
+	// 			fmt.Println("read:", err)
+	// 			return
+	// 		}
+	// 		fmt.Printf("Received: %s\n", message)
+	// 	}
+	// }()
+
+	// go func() {
+	// 	scanner := bufio.NewScanner(os.Stdin)
+	// 	for scanner.Scan() {
+	// 		text := scanner.Text()
+	// 		err := socket.WriteMessage(websocket.TextMessage, []byte(text))
+	// 		if err != nil {
+	// 			fmt.Println("write:", err)
+	// 			return
+	// 		}
+	// 	}
+	// 	if err := scanner.Err(); err != nil {
+	// 		fmt.Println("Error reading from stdin:", err)
+	// 	}
+	// }()
+
+	// select {
+	// case <-done:
+	// 	fmt.Println("WebSocket connection closed")
+	// case <-interrupt:
+	// 	fmt.Println("\nInterrupt signal received, closing connection...")
+	// 	err := socket.WriteMessage(websocket.CloseMessage, websocket.FormatCloseMessage(websocket.CloseNormalClosure, ""))
+	// 	if err != nil {
+	// 		fmt.Println("write close:", err)
+	// 		return err
+	// 	}
+	// 	select {
+	// 	case <-done:
+	// 	case <-time.After(time.Second):
+	// 	}
+	// }
+}
+
+func (c Connection) ConnectConfigSocket() (*websocket.Conn, error) {
+
+	d := websocket.DefaultDialer
+	d.Subprotocols = []string{"config-tunnel-v1"}
+
+	socket, _, err := d.Dial(c.serverUrl("/api/device/config").String(), c.header())
+	if err != nil {
+		return nil, fmt.Errorf("dial: %v", err)
+	}
+
+	return socket, nil
+}

src/go.mod

@@ -0,0 +1,33 @@
+module bon-voyage-agent
+
+go 1.22
+
+require (
+	github.com/google/uuid v1.6.0
+	github.com/gorilla/websocket v1.5.3
+	github.com/spf13/viper v1.19.0
+	go.bug.st/serial v1.6.2
+)
+
+require (
+	github.com/creack/goselect v0.1.2 // indirect
+	github.com/fsnotify/fsnotify v1.7.0 // indirect
+	github.com/hashicorp/hcl v1.0.0 // indirect
+	github.com/magiconair/properties v1.8.7 // indirect
+	github.com/mitchellh/mapstructure v1.5.0 // indirect
+	github.com/pelletier/go-toml/v2 v2.2.2 // indirect
+	github.com/sagikazarmark/locafero v0.4.0 // indirect
+	github.com/sagikazarmark/slog-shim v0.1.0 // indirect
+	github.com/sourcegraph/conc v0.3.0 // indirect
+	github.com/spf13/afero v1.11.0 // indirect
+	github.com/spf13/cast v1.6.0 // indirect
+	github.com/spf13/pflag v1.0.5 // indirect
+	github.com/subosito/gotenv v1.6.0 // indirect
+	go.uber.org/atomic v1.9.0 // indirect
+	go.uber.org/multierr v1.9.0 // indirect
+	golang.org/x/exp v0.0.0-20230905200255-921286631fa9 // indirect
+	golang.org/x/sys v0.21.0 // indirect
+	golang.org/x/text v0.14.0 // indirect
+	gopkg.in/ini.v1 v1.67.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)