httprouter

package
v1.1.0 Latest Latest
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Published: Aug 1, 2018 License: BSD-3-Clause Imports: 4 Imported by: 0

Documentation

Overview

Package httprouter provides functions to trace the julienschmidt/httprouter package (https://github.com/julienschmidt/httprouter).

Example
package main

import (
	"fmt"
	"log"
	"net/http"

	"github.com/julienschmidt/httprouter"

	httptrace "gopkg.in/DataDog/dd-trace-go.v1/contrib/julienschmidt/httprouter"
)

func Index(w http.ResponseWriter, r *http.Request, _ httprouter.Params) {
	fmt.Fprint(w, "Welcome!\n")
}

func Hello(w http.ResponseWriter, r *http.Request, ps httprouter.Params) {
	fmt.Fprintf(w, "hello, %s!\n", ps.ByName("name"))
}

func main() {
	router := httptrace.New()
	router.GET("/", Index)
	router.GET("/hello/:name", Hello)

	log.Fatal(http.ListenAndServe(":8080", router))
}
Output:

Example (WithServiceName)
package main

import (
	"fmt"
	"log"
	"net/http"

	"github.com/julienschmidt/httprouter"

	httptrace "gopkg.in/DataDog/dd-trace-go.v1/contrib/julienschmidt/httprouter"
)

func Index(w http.ResponseWriter, r *http.Request, _ httprouter.Params) {
	fmt.Fprint(w, "Welcome!\n")
}

func Hello(w http.ResponseWriter, r *http.Request, ps httprouter.Params) {
	fmt.Fprintf(w, "hello, %s!\n", ps.ByName("name"))
}

func main() {
	router := httptrace.New(httptrace.WithServiceName("http.router"))
	router.GET("/", Index)
	router.GET("/hello/:name", Hello)

	log.Fatal(http.ListenAndServe(":8080", router))
}
Output:

Index

Examples

Constants

This section is empty.

Variables

This section is empty.

Functions

This section is empty.

Types

type Router

type Router struct {
	*httprouter.Router
	// contains filtered or unexported fields
}

Router is a traced version of httprouter.Router.

func New

func New(opts ...RouterOption) *Router

New returns a new router augmented with tracing.

func (*Router) ServeHTTP

func (r *Router) ServeHTTP(w http.ResponseWriter, req *http.Request)

ServeHTTP implements http.Handler.

type RouterOption

type RouterOption func(*routerConfig)

RouterOption represents an option that can be passed to New.

func WithServiceName

func WithServiceName(name string) RouterOption

WithServiceName sets the given service name for the returned router.

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