server.js

var express = require('express');
var app = express();
var path = require('path');
var server = require('http').createServer(app);
var webRTC = require('webrtc.io').listen(server);

var port = process.env.PORT || 8080;
server.listen(port);


//var routes = require('./routes/index');

app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'jade');

app.use(express.static(path.join(__dirname, 'public')));

//app.use('/', routes);

app.get('/', function(req, res) {
  res.render('index');
});

webRTC.rtc.on('chat_msg', function(data, socket) {
  var roomList = webRTC.rtc.rooms[data.room] || [];

  for (var i = 0; i < roomList.length; i++) {
    var socketId = roomList[i];

    if (socketId !== socket.id) {
      var soc = webRTC.rtc.getSocket(socketId);

      if (soc) {
        soc.send(JSON.stringify({
          "eventName": "receive_chat_msg",
          "data": {
            "messages": data.messages,
            "color": data.color
          }
        }), function(error) {
          if (error) {
            console.log(error);
          }
        });
      }
    }
  }
});