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server.js
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server.js
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var express = require('express');
var bodyParser = require('body-parser')
var app = express();
var path = require('path');
var server = app.listen(process.env.PORT || 5000);
var io = require('socket.io').listen(server);
var templates = require('./routes/templates');
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'ejs');
app.use(express.static(__dirname + '/public'));
app.use(bodyParser());
//routes
app.get('/', templates.index);
app.post('/', templates.setRoomName);
app.get('/room/:roomName', templates.room);
app.get('*', templates.notFound);
io.sockets.on('connection', function (socket){
function log(){
var array = [">>> Message from server: "];
for (var i = 0; i < arguments.length; i++) {
array.push(arguments[i]);
}
socket.emit('log', array);
}
socket.on('message', function (message) {
log('Got message: ', message);
// For a real app, should be room only (not broadcast)
socket.broadcast.emit('message', message);
});
socket.on('create or join', function (room) {
var numClients = io.sockets.clients(room).length;
log('Room ' + room + ' has ' + numClients + ' client(s)');
log('Request to create or join room', room);
if (numClients == 0){
socket.join(room);
socket.emit('created', room);
} else if (numClients == 1) {
io.sockets.in(room).emit('join', room);
socket.join(room);
socket.emit('joined', room);
} else { // max two clients
socket.emit('full', room);
}
socket.emit('emit(): client ' + socket.id + ' joined room ' + room);
socket.broadcast.emit('broadcast(): client ' + socket.id + ' joined room ' + room);
});
});