tracecontext

Documentation

Overview

Package tracecontext contains HTTP propagator for TraceContext standard. See https://github.com/w3c/distributed-tracing for more information.

Index

• type HTTPFormat
  • func (f *HTTPFormat) SpanContextFromHeaders(tp string, ts string) (sc trace.SpanContext, ok bool)
  • func (f *HTTPFormat) SpanContextFromRequest(req *http.Request) (sc trace.SpanContext, ok bool)
  • func (f *HTTPFormat) SpanContextToHeaders(sc trace.SpanContext) (tp string, ts string)
  • func (f *HTTPFormat) SpanContextToRequest(sc trace.SpanContext, req *http.Request)

Types

type HTTPFormat

type HTTPFormat struct{}

HTTPFormat implements the TraceContext trace propagation format.

func (*HTTPFormat) SpanContextFromHeaders

func (f *HTTPFormat) SpanContextFromHeaders(tp string, ts string) (sc trace.SpanContext, ok bool)

SpanContextFromHeaders extracts a span context from provided header values.

func (*HTTPFormat) SpanContextFromRequest

func (f *HTTPFormat) SpanContextFromRequest(req *http.Request) (sc trace.SpanContext, ok bool)

SpanContextFromRequest extracts a span context from incoming requests.

func (*HTTPFormat) SpanContextToHeaders

func (f *HTTPFormat) SpanContextToHeaders(sc trace.SpanContext) (tp string, ts string)

SpanContextToHeaders serialize the SpanContext to traceparent and tracestate headers.

func (*HTTPFormat) SpanContextToRequest

func (f *HTTPFormat) SpanContextToRequest(sc trace.SpanContext, req *http.Request)

SpanContextToRequest modifies the given request to include traceparent and tracestate headers.