Simple socket.io server example

socket.io-server

var Socketio = require('socket.io'),
  http = require('http');

var port = 3000;

// Create the HTTP server.
var server = http.createServer().listen(port, function() {
  console.log("HTTP server listening on port %d.", port);
});

// Create the socket.io server.
var socketio = Socketio.listen(server);