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add trace context

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This commit is contained in:
Asim Aslam 2020-01-24 21:44:48 +00:00
parent 2d28ff72d7
commit a997a86e49
2 changed files with 5 additions and 5 deletions
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8
debug/trace/default.go
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@ -37,7 +37,7 @@ func (t *trace) Read(opts ...ReadOption) ([]*Span, error) {
return spans, nil return spans, nil
} }
func (t *trace) Start(ctx context.Context, name string) *Span { func (t *trace) Start(ctx context.Context, name string) (context.Context, *Span) {
span := &Span{ span := &Span{
Name: name, Name: name,
Trace: uuid.New().String(), Trace: uuid.New().String(),
@ -48,12 +48,12 @@ func (t *trace) Start(ctx context.Context, name string) *Span {
// return span if no context // return span if no context
if ctx == nil { if ctx == nil {
return span return context.Background(), span
} }
s, ok := FromContext(ctx) s, ok := FromContext(ctx)
if !ok { if !ok {
return span return ctx, span
} }
// set trace id // set trace id
@ -62,7 +62,7 @@ func (t *trace) Start(ctx context.Context, name string) *Span {
span.Parent = s.Id span.Parent = s.Id
// return the sapn // return the sapn
return span return ctx, span
} }
func (t *trace) Finish(s *Span) error { func (t *trace) Finish(s *Span) error {

2
debug/trace/trace.go
View File

@ -9,7 +9,7 @@ import (
// Trace is an interface for distributed tracing // Trace is an interface for distributed tracing
type Trace interface { type Trace interface {
// Start a trace // Start a trace
Start(ctx context.Context, name string) *Span Start(ctx context.Context, name string) (context.Context, *Span)
// Finish the trace // Finish the trace
Finish(*Span) error Finish(*Span) error
// Read the traces // Read the traces