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/**
* 2011 Peter 'Pita' Martischka
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS-IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
var http = require('http')
, url = require('url')
, fs = require('fs')
, io = require('socket.io')
, sys = require('sys')
, settings = require('./settings')
, server;
server = http.createServer(function(req, res){
var path = url.parse(req.url).pathname;
if(path.substring(0,"/static".length) == "/static" || path.substring(0,"/p/".length) == "/p/")
{
if(path.substring(0,"/p/".length) == "/p/")
{
if(path.length < 7)
send404(res, path);
path = "/static/padhtml";
}
sendFile(res, path, __dirname + "/.." + path);
}
else if(path == "/")
{
sendRedirect(res, path, "/p/test");
}
else if(path == "/newpad")
{
sendRedirect(res, path, "/p/" + randomPadName());
}
else if(path == "/ep/pad/reconnect")
{
if(req.headers.referer != null)
sendRedirect(res, path, req.headers.referer);
else
send404(res, path);
}
else
{
send404(res, path);
}
});
server.listen(settings.port);
console.log("Server is listening at port 9001");
function randomPadName() {
var chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXTZabcdefghiklmnopqrstuvwxyz";
var string_length = 10;
var randomstring = '';
for (var i=0; i<string_length; i++) {
var rnum = Math.floor(Math.random() * chars.length);
randomstring += chars.substring(rnum,rnum+1);
}
return randomstring;
}
function sendFile(res, reqPath, path)
{
fs.readFile(path, function(err, data){
if (err){
send404(res, reqPath);
} else {
var contentType = "text/html";
if (path.substring(path.length -3, path.length) == ".js")
contentType = "text/javascript";
else if (path.substring(path.length -4, path.length) == ".css")
contentType = "text/css";
else if (path.substring(path.length -4, path.length) == ".gif")
contentType = "image/gif";
res.writeHead(200, {'Content-Type': contentType});
res.write(data, 'utf8');
res.end();
requestLog(200, reqPath, "-> " + path);
}
});
}
function send404(res, reqPath)
{
res.writeHead(404);
res.write("404 - Not Found");
res.end();
requestLog(404, reqPath, "NOT FOUND!");
}
function sendRedirect(res, reqPath, location)
{
res.writeHead(302, {'Location': location});
res.end();
requestLog(302, reqPath, "-> " + location);
}
function requestLog(code, path, desc)
{
console.log(code +", " + path + ", " + desc);
}
var io = io.listen(server);
var messageHandler = require("./MessageHandler");
messageHandler.setSocketIO(io);
io.on('connection', function(client){
try{
messageHandler.handleConnect(client);
}catch(e){errorlog(e);}
client.on('message', function(message){
try{
messageHandler.handleMessage(client, message);
}catch(e){errorlog(e);}
});
client.on('disconnect', function(){
try{
messageHandler.handleDisconnect(client);
}catch(e){errorlog(e);}
});
});
function errorlog(e)
{
var timeStr = new Date().toUTCString() + ": ";
if(typeof e == "string")
{
console.error(timeStr + e);
}
else if(e.stack != null)
{
console.error(timeStr + e.stack);
}
else
{
console.error(timeStr + JSON.stringify(e));
}
}
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