Re: [Twisted-Python] Detecting idle connection with perspective broker

May 11, 2010

      Thanks! that works for me, now I set a Timeout in server and I can check
if client is connected every 10 seconds.
But now I have a last question about what's the better way to delete the
User(avatar) instance when the logout is done. In my logout method I
delete database entries about the disconnected user, but how can I do to
clean User(avatarID) instance and where I have to do that.

Thanks
Gabriel.

On Fri, 2010-04-30 at 14:23 +0300, Konrads Smelkovs wrote:
...
A simple solution could be to implement a ping method with client and
have server ping client once every N seconds. At the same time, fire a
delayed call for N+5 seconds. if delayed call is executed first, drop
connection.
--
Konrads Smelkovs
Applied IT sorcery.
2010/4/30 Gabriel González <gabriel@cttc.upc.edu>
        Hi there,
        I wrote a small server application with PB but now I have some
        problem
        with client disconnection. When I have a idle connection, the
        logout
        method at server never is called (this method let me have a
        list of
        current logged users) and then client appears always connected
        to
        server.
I can see the same issue with the chatserver example from
        perspective
        broker doc with detached method.
class ChatRealm:
            implements(portal.IRealm)
            def requestAvatar(self, avatarID, mind, *interfaces):
                assert pb.IPerspective in interfaces
                avatar = User(avatarID)
                avatar.server = self.server
                avatar.attached(mind)
                return pb.IPerspective, avatar, lambda
        a=avatar:a.detached(mind)
How can I detect that idle connection clients to call detached
        method?
Thanks!
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