gistfile1.txt

package main

import (
	"fmt"
	"log"
	"github.com/gorilla/mux"
	"github.com/gorilla/websocket"
	"time"
	"net/http"
)

var upgrader = websocket.Upgrader{
	ReadBufferSize:  1024,
	WriteBufferSize: 1024,
}

func socketHandler(w http.ResponseWriter, r *http.Request) {
	log.Print("foo")
	conn, err := upgrader.Upgrade(w, r, nil)
	if err != nil {
		log.Println(err)
		return
	}
	go func(){
		ticker := time.Tick(1*time.Second)
		for { 
			conn.WriteMessage(websocket.TextMessage, []byte(fmt.Sprintf("%v",
			<-ticker)))
		}
	}()
}

func main () {
	r := mux.NewRouter()
	r.HandleFunc("/signalling", socketHandler)
	r.PathPrefix("/").Handler(http.FileServer(http.Dir(".")))
	http.Handle("/", r)
	err := http.ListenAndServe("localhost:4000", nil)
	if err != nil {
		log.Fatal(err)
	}
}