trace

May 8, 2024

Changes in this version

+ var ErrAlreadyActiveChildSpan = fmt.Errorf("create child span: span already has an active child span")

+ var ErrSpanStillHasActiveChildSpan = fmt.Errorf("end span: span still has active child spans")

+ var ErrTaskStillHasActiveChildTasks = fmt.Errorf("end task: task still has active child tasks")

+ var SpanStackKindAnnotation = &StackKind

+ var SpanStackKindCombined = &StackKind

+ var StackKindId = &StackKind

+ func ChrometraceClientWebsocketHandler(conn *websocket.Conn)

+ func GetSpanStackOrDefault(ctx context.Context, kind StackKind, def string) string

+ func RegisterCallback(c Callback)

+ func RegisterMetrics(r prometheus.Registerer)

+ func WithInherit(ctx, inheritFrom context.Context) context.Context

+ type Callback struct

+ OnBegin func(ctx context.Context)

+ OnEnd func(ctx context.Context, spanInfo SpanInfo)

+ type DoneFunc func()

+ func WithSpan(ctx context.Context, annotation string) (context.Context, DoneFunc)

+ func WithSpanFromStackUpdateCtx(ctx *context.Context) DoneFunc

+ func WithTask(ctx context.Context, taskName string) (context.Context, DoneFunc)

+ func WithTaskAndSpan(ctx context.Context, task string, span string) (context.Context, DoneFunc)

+ func WithTaskFromStack(ctx context.Context) (context.Context, DoneFunc)

+ func WithTaskFromStackUpdateCtx(ctx *context.Context) DoneFunc

+ func WithTaskGroup(ctx context.Context, taskGroup string) (_ context.Context, add func(f func(context.Context)), waitEnd DoneFunc)

+ type SpanInfo interface

+ EndedAt func() time.Time

+ StartedAt func() time.Time

+ TaskAndSpanStack func(kind *StackKind) string

+ type StackKind struct