var app = require('http');
function handler(req, res){
        fs.readFile('./public/index.html',function(err,data){
                res.writeHead(200);
                res.end(data);
        });
}
var o=app.createServer(handler);
var io = require('socket.io').listen(app);
var fs = require('fs');

o.listen(4000);

io.sockets.on('connection', function(socket){
        socket.emit('news',{hello:'world'});
        socket.on('my other event',function(data){
                console.log(data);
        });
});