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app.js
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app.js
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var express = require('express')
, http = require('http')
, path = require('path');
var app = express();
var server = http.createServer(app);
var WebSocketServer = require('ws').Server;
var wss = new WebSocketServer({server : server});
var colors = [ 'red', 'green', 'blue', 'magenta', 'purple', 'plum', 'orange' ];
colors.sort(function(a,b) { return Math.random() > 0.5; } );
var clients = [];
wss.on('connection', function(ws){
clients.push(ws);
var userName = false;
var userColor = false;
ws.on('message', function(msg){
if(!userName){
userName = msg;
userColor = colors.shift();
ws.send(JSON.stringify({ type:'color', data: userColor }));
console.log(userName + ' login');
}else{
console.log(userName + ' say: ' + msg);
var obj = {
time: (new Date()).getTime(),
text: msg,
author: userName,
color: userColor
};
var json = JSON.stringify({type:'message', data: obj});
for (var i=0; i < clients.length; i++) {
clients[i].send(json);
}
}
});
ws.on('close', function(){
var index = clients.indexOf(ws);
clients.splice(index, 1);
if(userName !== false && userColor != false){
colors.push(userColor);
}
});
});
app.configure(function(){
app.set('port', process.env.PORT || 3000);
app.set('views', __dirname + '/views');
app.use(express.favicon());
app.use(express.logger('dev'));
app.use(express.bodyParser());
app.use(express.methodOverride());
app.use(app.router);
app.use(express.static(path.join(__dirname, 'public')));
});
app.configure('development', function(){
app.use(express.errorHandler());
});
app.get('/', function(req, res){
res.sendfile('views/chat.html');
});
server.listen(app.get('port'), function(){
console.log("Express server listening on port " + app.get('port'));
});