Web-Socket server side code implemented in nodejs.

websocketserver.js

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

var http = require('http'); //for http

var server = http.createServer(function(request, response) {
 console.log((new Date()) + ' Received request for ' + request.url);
 response.writeHead(404);
 response.end();
}); //This http server responds 404 for all the http requests.
server.listen(8080, function() {
 console.log((new Date()) + ' Server is listening on port 8080');
}); //This server listens to http://0.0.0.0:8080

wsserver = new WebSocketServer({
 httpServer: server, 
 autoAcceptConnections: false
});

function originIsAllowed(origin) {
    //Check for allowed origin here.
    return true; 
}

wsServer.on('request', function(request) {
    if (!originIsAllowed(request.origin)) {
        request.reject();
        console.log((new Date())+' Connection from origin '+ request.origin +' rejected.');
        return;
    }
    var connection = request.accept('echo-protocol',request.origin);
    connection.sendUTF('Message from the server.');
    connection.on('message', function(message) {
        if (message.type === 'utf8') {
            console.log('Received Message: ' + message.utf8Data);
        }
        else if (message.type === 'binary') {
            console.log('Received Binary Message of '+ message.binaryData.length + ' bytes');
            console.log(message.binaryData);
        }
    });
    connection.on('close', function(reasonCode, description) {
        console.log((new Date()) +' Peer '+ connection.remoteAddress +' disconnected.');
     });
});