Node HTTP Server.js

// The node.js HTTP server.
var app = require('http').createServer(handler);
// The socket.io WebSocket server, running with the node.js server.
var io = require('socket.io').listen(app);
// Allows access to local file system.
var fs = require('fs');
// Allows for parsing urls
var url = require('url');

var listen_port = 80;
app.listen(listen_port);

console.log('Server is listening on port: ' + listen_port);

// Handles HTTP requests.
function handler(request, response) {
	// Parse the url to get the path
	var path = url.parse(request.url).pathname;
	switch (path) {
		// Return the index page for the client
		case '/':
			fs.readFile(__dirname + '/client/index.html',
				function(err, content) {
					if (err) {
						// The client requested a file we couldn't find
						response.writeHead(404);
						return response.end('Could not find file' + path);
					}
					response.writeHead(200, {'Content-Type': 'text/html'});
					response.end(content);
				});
			break;
		default:
			// Handle html requests
			if (/\.(html)$/.test(path)) {
				fs.readFile(__dirname + path,
					function(err, content) {
						if (err) {
							// The client requested a file we couldn't find
							response.writeHead(404);
							return response.end('Could not find file ' + path);
						}
						response.writeHead(200, {'Content-Type': 'text/html'});
						response.end(content);
					});
				break;
			}
			// Handle css requests
			if (/\.(css)$/.test(path)) {
				fs.readFile(__dirname + path,
					function(err, content) {
						if (err) {
							// The client requested a file we couldn't find
							response.writeHead(404);
							return response.end('Could not find file ' + path);
						}
						response.writeHead(200, {'Content-Type': 'text/css'});
						response.end(content);
					});
				break;
			}
			// Handle javascript requests
			if (/\.(js)$/.test(path)) {
				fs.readFile(__dirname + path,
					function(err, content) {
						if (err) {
							// The client requested a file we couldn't find
							response.writeHead(404);
							return response.end('Could not find file ' + path);
						}
						response.writeHead(200, {'Content-Type': 'application/x-javascript'});
						response.end(content);
					});
				break;
			}
			// Handle image requests (only png support added at the momment)
			if (/\.(png)$/.test(path)) {
				fs.readFile(__dirname + path,
					function(err, content) {
						if (err) {
							// The client requested a file we couldn't find
							response.writeHead(404);
							return response.end('Could not find file ' + path);
						}
						response.writeHead(200, {'Content-Type': 'Image'});
						response.end(content);
					});
				break;
			}
			// Handle sound request (only mp3 suport added at the momment)
			if (/\.(mp3)$/.test(path)) {
				fs.readFile(__dirname + path,
					function(err, content) {
						if (err) {
							// The client requested a file we couldn't find
							response.writeHead(404);
							return response.end('Could not find file ' + path);
						}
						response.writeHead(200, {'Content-Type': 'Sound'});
						response.end(content);
					});
				break;
			}
			// The client requested a file type we don't handle
			response.writeHead(501);
			return response.end('Can not handle ' + path);
	}
}

var disconnect_handler = function() {

}

var connection_handler = function(client) {
	client.on('disconnect', disconnect_handler);
}

io.sockets.on('connection', connection_handler);