gpp

a sample http proxy handler write in golang.

support http/https proxy and also act as a normal http server.

support http2 if you run https.

##Usage

Use gpp.Handler as a normal http.Handler.

gpp.Handler will automatically detects the local request and proxy request, it handles the proxy request itself and invoke the http.DefaultServeMux to handle local path request.

you can use the http.Handle or http.HandleFunc to register the local path request handler.

##Example

package main

import (
	. "fmt"
	"github.com/fangdingjun/gpp"
	"log"
	"net/http"
)

func main() {
	port := 8080

	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
		w.WriteHeader(200)
		w.Write([]byte("<h1>welcome!</h1>"))
	})

	log.Print("Listen on: ", Sprintf("0.0.0.0:%d", port))
	err := http.ListenAndServe(Sprintf(":%d", port), &gpp.Handler{EnableProxy:true})
	if err != nil {
		log.Fatal(err)
	}
}

run this example

you can use curl to test server and proxy server function

local path request

curl http://127.0.0.1:8080/

proxy request

curl --proxy http://127.0.0.1:8080/ http://httpbin.org/ip

see more examples on samples/ directory.