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server.js
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server.js
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var express = require('express');
var app = express.createServer();
var io = require('socket.io').listen(app);
var fs = require('fs');
app.listen(80);
// Disable the layout.
app.configure(function(){
app.set("view options", {layout: false});
});
// Set the static file directory for express.
app.use(express.static(__dirname + '/'));
// First route which is the main "/" route.
app.get('/', function(req, res) {
fs.readFile(__dirname + '/index.html', 'utf8', function(err, text){
res.send(text);
});
});
var nicknames = {};
// The basic default chat app.
io.sockets.on('connection', function (socket) {
socket.on('user message', function (msg) {
socket.broadcast.emit('user message', socket.nickname, msg);
});
socket.on('nickname', function (nick, fn) {
if (nicknames[nick]) {
fn(true);
} else {
fn(false);
nicknames[nick] = socket.nickname = nick;
socket.broadcast.emit('announcement', nick + ' connected');
io.sockets.emit('nicknames', nicknames);
}
});
socket.on('disconnect', function () {
if (!socket.nickname) {
return;
}
delete nicknames[socket.nickname];
socket.broadcast.emit('announcement', socket.nickname + ' disconnected');
socket.broadcast.emit('nicknames', nicknames);
});
});