propagation

package
Version: v0.15.0 Latest Latest
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Published: Aug 3, 2018 License: Apache-2.0 Imports: 2 Imported by: 0

Documentation

Overview

Package propagation implements the binary trace context format.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func Binary

func Binary(sc trace.SpanContext) []byte

Binary returns the binary format representation of a SpanContext.

If sc is the zero value, Binary returns nil.

func FromBinary

func FromBinary(b []byte) (sc trace.SpanContext, ok bool)

FromBinary returns the SpanContext represented by b.

If b has an unsupported version ID or contains no TraceID, FromBinary returns with ok==false.

Types

type HTTPFormat added in v0.2.0

type HTTPFormat interface {
	SpanContextFromRequest(req *http.Request) (sc trace.SpanContext, ok bool)
	SpanContextToRequest(sc trace.SpanContext, req *http.Request)
}

HTTPFormat implementations propagate span contexts in HTTP requests.

SpanContextFromRequest extracts a span context from incoming requests.

SpanContextToRequest modifies the given request to include the given span context.

Source Files

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