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xhr streaming works

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Michelle Bu 2013-01-31 13:34:01 -08:00
parent f66efcff91
commit 9a21d8ec7d
1 changed files with 42 additions and 31 deletions
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73
lib/server.js
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@ -5,12 +5,15 @@ var EventEmitter = require('events').EventEmitter;
var WebSocketServer = require('ws').Server;
var url = require('url');
var allowCrossDomain = function(req, res, next) {
res.header('Access-Control-Allow-Origin', '*');
res.header('Access-Control-Allow-Methods', 'GET,PUT,POST,DELETE');
res.header('Access-Control-Allow-Headers', 'Content-Type');
res.setHeader('Access-Control-Allow-Origin', '*');
res.setHeader('Access-Control-Allow-Methods', 'GET,PUT,POST,DELETE');
res.setHeader('Access-Control-Allow-Headers', 'Content-Type');
next();
};
}
function PeerServer(options) {
if (!(this instanceof PeerServer)) return new PeerServer(options);
@ -18,11 +21,8 @@ function PeerServer(options) {
this._app = express();
this._httpServer = http.createServer(this._app);
var self = this;
this._app.configure(function() {
self._app.use(express.bodyParser());
self._app.use(allowCrossDomain);
});
this._app.use(express.bodyParser());
this._app.use(allowCrossDomain);
options = util.extend({
port: 80
@ -102,6 +102,10 @@ PeerServer.prototype._initializeWSS = function() {
PeerServer.prototype._initializeHTTP = function() {
var self = this;
this._app.options('/*', function(req, res, next) {
res.send(200);
});
// Server sets up HTTP streaming whether you get or post an ID.
// Retrieve guaranteed random ID.
this._app.get('/id', function(req, res) {
@ -123,39 +127,46 @@ PeerServer.prototype._initializeHTTP = function() {
this._app.post('/offer', function(req, res) {
// TODO: if offer person does not exist, set a timeout for 10s. may need to
// change switch.
var data = req.body.data;
var src = data.src;
var dst = data.dst;
self._handleTransmission('OFFER', src, dst, JSON.stringify(data));
var src = req.body.src;
var dst = req.body.dst;
self._handleTransmission('OFFER', src, dst, JSON.stringify(req.body));
res.send('success');
});
this._app.post('/ice', function(req, res) {
var src = req.body.src;
var dst = req.body.dst;
self._handleTransmission('ICE', src, dst, JSON.stringify(req.body));
res.send('success');
});
this._app.post('/answer', function(req, res) {
var data = req.body.data;
var src = data.src;
var dst = data.dst;
self._handleTransmission('ANSWER', src, dst, JSON.stringify(data));
var src = req.body.src;
var dst = req.body.dst;
self._handleTransmission('ANSWER', src, dst, JSON.stringify(req.body));
res.send('success');
});
};
/** Saves a streaming response and takes care of timeouts and headers. */
PeerServer.prototype._startStreaming = function(res, id, write) {
res.writeHead(200, {'Content-Type': 'application/octet-stream'});
if (!!write) {
write();
}
res.writeHead(200, {'Content-Type': 'application/octet-stream'});
if (!!write) {
write();
}
var pad = '00';
var iterations = 10;
for (var i = 0; i < iterations; i++) {
pad += pad;
}
res.write(pad + '\n');
var pad = '00';
var iterations = 10;
for (var i = 0; i < iterations; i++) {
pad += pad;
}
res.write(pad + '\n');
// Save res so we can write to it.
this._clients[id] = res;
// Save res so we can write to it.
this._clients[id] = res;
// Set timeout to expire.
this._timeouts[id] = setTimeout(function() { res.end('end') }, 10000);
// Set timeout to expire.
this._timeouts[id] = setTimeout(function() { res.end('end') }, 10000);
};
// TODO: fix for streaming