SLonger/websocketIndex.html

## websocketIndex.html
<html>
<head>
    <title>WebSocket demo</title>
</head>
<body>

    <div>
        <form>
            <label for="numberfield">Number</label>
            <input type="text" id="numberfield" placeholder="12"/><br />
            <button type="button" id="sendBtn">Send</button>
        </form>
    </div>
    <div id="container"></div>

    <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script>
    <script type="text/javascript">
        $(function () {
            var ws;

            if (window.WebSocket === undefined) {
                $("#container").append("Your browser does not support WebSockets");
                return;
            } else {
                ws = initWS();
            }

            function initWS() {
                var socket = new WebSocket("ws://192.168.1.166:8080/ws"),
                    container = $("#container")
                socket.onopen = function() {
                    container.append("<p>Socket is open</p>");
                };
                socket.onmessage = function (e) {
                    container.append("<p> Got some shit:" + e.data + "</p>");
                }
                socket.onclose = function () {
                    container.append("<p>Socket closed</p>");
                }

                return socket;
            }

            $("#sendBtn").click(function (e) {
                e.preventDefault();
                ws.send(12);
            });
        });
    </script>
</body>
</html>

## ws.go
package main

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

func main() {
	http.HandleFunc("/ws", wsHandler)
	http.ListenAndServe("192.168.1.166:8080", nil)
}

var upgrader = websocket.Upgrader{
	ReadBufferSize:  1024,
	WriteBufferSize: 1024,
	CheckOrigin:     func(r *http.Request) bool { return true },
}

func wsHandler(w http.ResponseWriter, r *http.Request) {

	conn, err := upgrader.Upgrade(w, r, nil)

	if err != nil {
		fmt.Println("websocket error")
		http.Error(w, "Could not open websocket connection", http.StatusBadRequest)
	}
	go echo(conn)
}

func echo(conn *websocket.Conn) {
	p := []byte("12")
	message := 1
	timer := time.NewTicker(5 * time.Second)
	for {
		<-timer.C
		if err := conn.WriteMessage(message, p); err != nil {
			return
		}
	}
}
	<html>
	<head>
	<title>WebSocket demo</title>
	</head>
	<body>

	<div>
	<form>
	<label for="numberfield">Number</label>
	<input type="text" id="numberfield" placeholder="12"/><br />
	<button type="button" id="sendBtn">Send</button>
	</form>
	</div>
	<div id="container"></div>

	<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script>
	<script type="text/javascript">
	$(function () {
	var ws;

	if (window.WebSocket === undefined) {
	$("#container").append("Your browser does not support WebSockets");
	return;
	} else {
	ws = initWS();
	}

	function initWS() {
	var socket = new WebSocket("ws://192.168.1.166:8080/ws"),
	container = $("#container")
	socket.onopen = function() {
	container.append("<p>Socket is open</p>");
	};
	socket.onmessage = function (e) {
	container.append("<p> Got some shit:" + e.data + "</p>");
	}
	socket.onclose = function () {
	container.append("<p>Socket closed</p>");
	}

	return socket;
	}

	$("#sendBtn").click(function (e) {
	e.preventDefault();
	ws.send(12);
	});
	});
	</script>
	</body>
	</html>
	package main

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

	func main() {
	http.HandleFunc("/ws", wsHandler)
	http.ListenAndServe("192.168.1.166:8080", nil)
	}

	var upgrader = websocket.Upgrader{
	ReadBufferSize: 1024,
	WriteBufferSize: 1024,
	CheckOrigin: func(r *http.Request) bool { return true },
	}

	func wsHandler(w http.ResponseWriter, r *http.Request) {

	conn, err := upgrader.Upgrade(w, r, nil)

	if err != nil {
	fmt.Println("websocket error")
	http.Error(w, "Could not open websocket connection", http.StatusBadRequest)
	}
	go echo(conn)
	}

	func echo(conn *websocket.Conn) {
	p := []byte("12")
	message := 1
	timer := time.NewTicker(5 * time.Second)
	for {
	<-timer.C
	if err := conn.WriteMessage(message, p); err != nil {
	return
	}
	}
	}