server.js

var express = require('express'), app = express();
var http = require('http')
  , server = http.createServer(app)
  , io = require('socket.io').listen(server);

server.listen(3000);

app.set('views', __dirname + '/views');
app.set('view engine', 'jade');
app.set("view options", { layout: false });

app.configure(function() {
    app.use(express.static(__dirname + '/public'));
});

app.get('/', function(req, res){
  res.render('home.jade');
});
app.get('/canvas', function(req, res){
  res.render('canvas.jade');
});





io.sockets.on('connection', function (socket) {
    socket.on('setPseudo', function (data) {
    	socket.set('pseudo', data);
	});

	socket.on('message', function (message) {
	    socket.get('pseudo', function (error, name) {
	        var data = { 'message' : message, pseudo : name };
	        socket.broadcast.emit('message', data);
	        console.log("user " + name + " send this : " + message);
	    })
	});
});