package main

import (
	"fmt"
	"io"
	"net/http"

	"golang.org/x/net/websocket"
)

func echoHandler(ws *websocket.Conn) {
	fmt.Println("echoHandler")
	io.Copy(ws, ws)
}

func main() {
	http.Handle("/echo", websocket.Handler(echoHandler))
	http.HandleFunc("/", rootHandler)
	err := http.ListenAndServe(":8080", nil)
	if err != nil {
		panic("ListenAndServe: " + err.Error())
	}
}

func errorHandler(w http.ResponseWriter, r *http.Request, status int) {
	w.WriteHeader(status)
	fmt.Println(status, r.URL.Path)
}

func rootHandler(w http.ResponseWriter, r *http.Request) {
	errorHandler(w, r, http.StatusNotFound)
	return
}