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server.js
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server.js
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/*var express = require('express');
var app = express();
var http = require('http');
var io = require('socket.io')(http);
var port = process.env.PORT || 3000;
app.get('/', function(req, res){
res.sendFile(__dirname + '/index.html');
});
io.on('connection', function(socket){
console.log('a user connected');
})
app.listen(port);
*/
var app = require('express')();
var http = require('http').Server(app);
var io = require('socket.io')(http);
var user = 0;
app.get('/', function(req, res){
res.sendFile(__dirname + '/index.html');
user++;
});
io.on('connection', function(socket){
console.log('a user connected id: '+user);
socket.broadcast.emit('new_user_added',{"userid": user});
socket.on('disconnect', function(){
console.log('user disconnected');
socket.broadcast.emit('user_left',{"userid": user});
});
socket.on('chat message', function(msg){
console.log('message : '+msg);
socket.broadcast.emit('chat message', msg);
});
});
http.listen(3000, function(){
console.log('listening on *:3000');
});