server.js

var app = require('express')();
var express = require('express');
var http = require('http').Server(app);
var io = require('socket.io')(http);

app.use(express.static('public'));

var Room = require('./Room.js');
var rooms = {};

app.get('/', function(req, res){
	res.sendFile(__dirname + '/calling.html');
});

app.get('/file', function(req, res) {
	res.sendFile(__dirname + '/fileSharing.html')
});

io.on('connection', function(socket) {
	var currentRoom;

	socket.on('roomName', function(userName, roomName) {
		console.log(userName + " " + roomName);
		var room1 = new Room(roomName, 234, 2);

		if (rooms[roomName]) {
			var joinStatus = rooms[roomName].join(userName);

			if (!joinStatus) {
				console.log('The room is full.');
				return;
			} else {
				socket.join(roomName);
				socket.emit("joinedRoom", {roomName: roomName, isInitiator: false, peerName: rooms[roomName].firstMember()});
				socket.broadcast.to(roomName).emit('peer joined room', {peerName: userName});
			}
		} else {
			rooms[roomName] = new Room(roomName, userName, 2);
			socket.join(roomName);
			socket.emit("joinedRoom", {roomName: roomName, isInitiator: true});
		}
		currentRoom = roomName;

		socket.on('leaveRoom', function() {
			rooms[currentRoom].leave(userName);
			rooms[currentRoom].unlock();
		});
	});

	socket.on('message', function(message) {
		socket.broadcast.to(currentRoom).emit('message to peers', message);
	});

});

http.listen(80, function(){
	console.log('listening on *:80');
});