websockets.js

var http = require('http');
var server;

server = http.createServer(function(request, response) {  
    response.writeHeader(200, {"Content-Type": "text/html"});  
    response.write(html);  
    response.end();  
});

var WebSocketServer = require('websocket').server;

server.listen(3001, function() {
    console.log((new Date()) + ' Server is listening on port 3001');
});

wsServer = new WebSocketServer({
    httpServer: server
});

var count = 0;
var clients = {};
var map = {};

wsServer.on('request', function(r){

    var connection = r.accept('echo-protocol', r.origin);
    var id = count++;
    clients[id] = connection;

    console.log((new Date()) + ' Connection accepted [' + id + ']');

    connection.on('message', function(message) {
        console.log(message);

        // The string message that was sent to us
        var msgString = message.utf8Data;

        // Loop through all clients
        for(var i in clients){
            // Send a message to the client with the message
            clients[i].sendUTF("Server's response");

            if (clients[i] == this){
                map[i] = {
                    client: clients[i],
                    message: message
                }
            }
        }

    });

    connection.on('close', function(reasonCode, description) {
        delete clients[id];
        console.log((new Date()) + ' Peer ' + connection.remoteAddress + ' disconnected.');
    });

});