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ctx.go
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package rcpinner
import (
"context"
"github.com/ipfs/boxo/ipld/merkledag"
"go.uber.org/atomic"
)
const progressCtxKey = "progress"
func WithProgressTracker(
ctx context.Context,
pt *merkledag.ProgressTracker,
) context.Context {
return context.WithValue(ctx, progressCtxKey, pt)
}
func ProgressTracker(ctx context.Context) *merkledag.ProgressTracker {
v := ctx.Value(progressCtxKey)
if v == nil {
return nil
}
pt, ok := v.(*merkledag.ProgressTracker)
if !ok {
return nil
}
return pt
}
const dagSizeCtxKey = "dag_size"
func WithDagSize(
ctx context.Context,
ds *atomic.Uint64,
) context.Context {
return context.WithValue(ctx, dagSizeCtxKey, ds)
}
func DagSize(ctx context.Context) *atomic.Uint64 {
v := ctx.Value(dagSizeCtxKey)
if v == nil {
return nil
}
ds, ok := v.(*atomic.Uint64)
if !ok {
return nil
}
return ds
}
const concurrencyCtxKey = "concurrency"
func WithConcurrency(
ctx context.Context,
cc int,
) context.Context {
return context.WithValue(ctx, concurrencyCtxKey, cc)
}
func Concurrency(ctx context.Context) int {
v := ctx.Value(concurrencyCtxKey)
if v == nil {
return 0
}
cc, ok := v.(int)
if !ok {
return 0
}
return cc
}