I think Orbited has the feature of emulate websocket.
http://orbited.org/wiki/WebSocket
On Tue, Dec 28, 2010 at 7:04 PM, mdipierro <mdipie...@cs.depaul.edu> wrote:
> I needed something that could do http get, http post and comet via
> html5 websockets.
>
> I looked at the other options gevent, twisted, etc, I either had
> installation problems, or performance issues, or it was hard to figure
> it out how to it.
>
> With tornado this was trivial:
>
> ----- begin ------
> LISTENERS = []
> class NewMsgHandler(tornado.web.RequestHandler):
> def get(self):
> self.write('<html><body>Hello</body></html>')
> def post(self):
> data = self.request.arguments['data'][0]
> [element.write_message(data) for element in LISTENERS]
> class RealtimeHandler(tornado.websocket.WebSocketHandler):
> def open(self):
> LISTENERS.append(self)
> def on_message(self, message):
> pass
> def on_close(self):
> LISTENERS.remove(self)
> application = tornado.web.Application([
> (r'/', NewMsgHandler), # for get and post
> (r'/websocket/', RealtimeHandler), # for websockets
> ], auto_reload=True)
> http_server = tornado.httpserver.HTTPServer(application)
> http_server.listen(8888)
> tornado.ioloop.IOLoop.instance().start()
> ---- end ----
>
> On post it streams data to all clients connected with websockets. It
> runs as fast as bare metal. It cannot possibly be faster. I tried with
> up with 100 posts/seconds with 10 connected clients) and 1 post/second
> with 500 connected clients (my my laptop which does not even support
> epoll).
>
> Web2py acts like a proxy for the post (does the form generation,
> validation, database IO, etc.) but stays out of the way as far as
> websockets are concerned. Web2py serves all the pages that need db
> access.
>
> The clients receive data from tornado and store (do not process it
> else slows down the server, it queues it). The processing.js thread
> processes the data 5times/second for a smooth interface.
>
> Massimo
>
> On Dec 28, 11:27 am, David Marko <dma...@tiscali.cz> wrote:
> > Why tornado as webserver? Any observations you can share?
> >
> > David
>
--
Albert Abril,
@desmondo
http://bressol.org
