http

package
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Published: Nov 7, 2018 License: Apache-2.0 Imports: 9 Imported by: 0

Documentation

Overview

Package http implements a HTTP reporter to send spans to Zipkin V2 collectors.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func NewReporter

func NewReporter(url string, opts ...ReporterOption) reporter.Reporter

NewReporter returns a new HTTP Reporter. url should be the endpoint to send the spans to, e.g. http://localhost:9411/api/v2/spans

Types

type ReporterOption

type ReporterOption func(r *httpReporter)

ReporterOption sets a parameter for the HTTP Reporter

func BatchInterval

func BatchInterval(d time.Duration) ReporterOption

BatchInterval sets the maximum duration we will buffer traces before emitting them to the collector. The default batch interval is 1 second.

func BatchSize

func BatchSize(n int) ReporterOption

BatchSize sets the maximum batch size, after which a collect will be triggered. The default batch size is 100 traces.

func Client

func Client(client *http.Client) ReporterOption

Client sets a custom http client to use.

func MaxBacklog

func MaxBacklog(n int) ReporterOption

MaxBacklog sets the maximum backlog size. When batch size reaches this threshold, spans from the beginning of the batch will be disposed.

func RequestCallback

func RequestCallback(rc RequestCallbackFn) ReporterOption

RequestCallback registers a callback function to adjust the reporter *http.Request before it sends the request to Zipkin.

func Timeout

func Timeout(duration time.Duration) ReporterOption

Timeout sets maximum timeout for http request.

type RequestCallbackFn

type RequestCallbackFn func(*http.Request)

RequestCallbackFn receives the initialized request from the Collector before sending it over the wire. This allows one to plug in additional headers or do other customization.

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