mirror of
https://github.com/go-micro/go-micro.git
synced 2025-05-19 21:23:04 +02:00
21 lines
466 B
Go
21 lines
466 B
Go
|
package trace
|
||
|
|
|
||
|
|
import (
|
||
|
|
"context"
|
||
|
|
"runtime"
|
||
|
|
|
||
|
|
"github.com/opentracing/opentracing-go"
|
||
|
|
)
|
||
|
|
|
||
|
|
// NewSpan accepts a context and returns an OpenTracing span. Can be used to
|
||
|
|
// nest spans.
|
||
|
|
func NewSpan(ctx context.Context) opentracing.Span {
|
||
|
|
pc := make([]uintptr, 10) // at least 1 entry needed
|
||
|
|
runtime.Callers(2, pc)
|
||
|
|
span := opentracing.StartSpan(
|
||
|
|
runtime.FuncForPC(pc[0]).Name(),
|
||
|
|
opentracing.ChildOf(opentracing.SpanFromContext(ctx).Context()),
|
||
|
|
)
|
||
|
|
return span
|
||
|
|
}
|