Hi,
I have used gevent websocket, which integrated well with pywsgi, which is
(or was?) used for the RASP API of Ryu.
https://pypi.python.org/pypi/gevent-websocket/
2014-02-13 3:54 GMT+01:00 Satoshi Kobayashi <[email protected]>:
> 2014-02-13 8:23 GMT+09:00 FUJITA Tomonori <[email protected]>:
>
> Hi,
>>
>> On Wed, 12 Feb 2014 12:52:36 +0900
>> Satoshi Kobayashi <[email protected]> wrote:
>>
>> > If Raw TCP is changed to WebSocket only, It do not have many merits. But
>> > when messaging is also changed to non-binary (JSON?), it seems to be
>> easy
>> > to use. Many development tools exist.
>>
>> As I wrote in another mail, I talked about extending our REST API so
>> JSON RPC or something that more developers are familir with. What RPC
>> protocol is mostly used with WebSocket?
>>
>
> Umm...I do not know about it. WAMP (The WebSocket Application Messaging
> Protocol) also seems to be famous.
>
>
>>
>> I used Messagepack RPC for our VRRP API but I guess that people prefer
>> the REST-alike API. As long as bi-directional, such API works for
>> VRRP, I guess (as you know, events like master-slave transition needs
>> to be notified to other components).
>
>
>>
>> > BTW, I researched whether Ryu can support WebSocket. It seemed that
>> > Eventlet (0.14.0) WebSocket support did not correspond to RFC6455, FYI.
>>
>> That's mean it's not that simple to add WebSocket support to Ryu?
>>
>
> It may not be easy to provide by the same endpoint as REST API. The
> prototype using another port was made by ws4py.
>
> ----------
> from wsgiref.simple_server import make_server
> from ws4py.websocket import EchoWebSocket
> from ws4py.server.wsgirefserver import WSGIServer,
> WebSocketWSGIRequestHandler
> from ws4py.server.wsgiutils import WebSocketWSGIApplication
> from ryu.base import app_manager
> from ryu.lib import hub
>
> class WebSocketServer(object):
>
> def __init__(self, *args, **kwargs):
> hub.spawn(self.serve_forever)
>
> def serve_forever(self):
> server = make_server('localhost', 5000, server_class=WSGIServer,
> handler_class=WebSocketWSGIRequestHandler,
>
> app=WebSocketWSGIApplication(handler_cls=EchoWebSocket))
> server.initialize_websockets_manager()
> server.serve_forever()
>
> class WebSocketApp(app_manager.RyuApp):
> _CONTEXTS = {
> 'websocket': WebSocketServer,
> }
>
> ----------
>
>
>
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