Much appreciated the response. setTcpKeepAlive(1) is good for calling connectionLst, however I have to send a packet out to trigger this event. Its too bad, just had to send periodically a small stay-alive packet.
Thanks, Garyc --- On Tue, 2/16/10, Alec Matusis <matu...@yahoo.com> wrote: > From: Alec Matusis <matu...@yahoo.com> > Subject: Re: [Twisted-Python] Pulling the ethernet cable out > To: "'Twisted general discussion'" <twisted-python@twistedmatrix.com> > Date: Tuesday, February 16, 2010, 2:47 PM > Assuming you are on Linux, you can > run > > #man tcp > > and take a look at the tunable parameters that control TCP > protocol > timeouts: > > tcp_keepalive_intvl > tcp_keepalive_probes > tcp_keepalive_time > > They can be tuned via /proc filesystem. > These changes are system-wide, so you should consider the > performance of > other applications on this system with those changes. > > > -----Original Message----- > > From: twisted-python-boun...@twistedmatrix.com > [mailto:twisted-python- > > boun...@twistedmatrix.com] > On Behalf Of gary clark > > Sent: Tuesday, February 16, 2010 10:19 AM > > To: Twisted general discussion > > Subject: Re: [Twisted-Python] Pulling the ethernet > cable out > > > > Hey Alvin, > > > > In the document link you provided the packets are > being sent periodically > > every 2 hours for setTcpKeepAlive(1). I am assuming > that > > the a packet is sent straight away and then waits. At > the moment I dont > see > > the connection lost. The getTcpKeepAlive() is > returning 1 indicating that > keep > > alive is set. > > > > Is there a way to change the delay? > > > > Thanks, > > Garyc > > > > > > > > --- On Tue, 2/16/10, Alvin Delagon <adela...@gmail.com> > wrote: > > > > > From: Alvin Delagon <adela...@gmail.com> > > > Subject: Re: [Twisted-Python] Pulling the > ethernet cable out > > > To: "Twisted general discussion" <twisted-python@twistedmatrix.com> > > > Date: Tuesday, February 16, 2010, 11:19 AM > > > Hello, > > > No, getTcpKeepAlive will only tell you if > > > SO_KEEPALIVE is enabled. It's setTcpKeepAlive you > want. > > > If it's enabled, once the keepalive times out on > a > > > half-open scenario, the connectionLost method > will be > > > triggered. You can read the API docs here: > > > > > > > > http://twistedmatrix.com/documents/8.2.0/api/twisted.internet.tcp.Connecti > > on.html#getTcpKeepAlive > > > > > http://twistedmatrix.com/documents/8.2.0/api/twisted.internet.tcp.Connecti > > on.html#setTcpKeepAlive > > > > > > Best Regards,Alvin > > > > > > On Wed, Feb 17, 2010 at 1:06 AM, > > > gary clark <burslem2...@yahoo.com> > > > wrote: > > > > > > I have to > > > poll at the twisted server "getTcpKeepAlive" for > > > the state of the keep alive. > > > > > > > > > > > > > > > > > > Thanks, > > > > > > Garyc > > > > > > > > > > > > --- On Tue, 2/16/10, gary clark <burslem2...@yahoo.com> > > > wrote: > > > > > > > > > > > > > From: gary clark <burslem2...@yahoo.com> > > > > > > > Subject: [Twisted-Python] Pulling the > ethernet cable > > > out > > > > > > > To: "Twisted general > > > discussion" <twisted-python@twistedmatrix.com> > > > > > > > Date: Tuesday, February 16, 2010, 10:15 AM > > > > > > > Hello, > > > > > > > > > > > > > > I'm tested my client server model. The > server > > > being a > > > > > > > twisted server. > > > > > > > I am using the class NetstringReceiver. When > I close > > > down > > > > > > > the client the appropriate call to close > the > > > connection is > > > > > > > made "connectionLost". However when I just > > > pull the client > > > > > > > connection cable from the network. I would > expect the > > > call > > > > > > > to be made to indicate a connection is lost > at the > > > twisted > > > > > > > server. I dont see this. > > > > > > > > > > > > > > I am going through a local hub and not sure > what at > > > the > > > > > > > moment to think of this. I am using ssl to > > > communicate. > > > > > > > > > > > > > > If somebody could shed some light on this > that would > > > be > > > > > > > great. > > > > > > > > > > > > > > Thanks, > > > > > > > Garyc > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > _______________________________________________ > > > > > > > Twisted-Python mailing list > > > > > > > Twisted-Python@twistedmatrix.com > > > > > > > http://twistedmatrix.com/cgi-bin/mailman/listinfo/twisted-python > > > > > > > > > > > > > > > > > > > > > > > > > _______________________________________________ > > > > > > Twisted-Python mailing list > > > > > > Twisted-Python@twistedmatrix.com > > > > > > http://twistedmatrix.com/cgi-bin/mailman/listinfo/twisted-python > > > > > > > > > > > > > > > -- > > > http://www.alvinatorsplayground.blogspot.com/ > > > > > > > > > > > > -----Inline Attachment Follows----- > > > > > > _______________________________________________ > > > Twisted-Python mailing list > > > Twisted-Python@twistedmatrix.com > > > http://twistedmatrix.com/cgi-bin/mailman/listinfo/twisted-python > > > > > > > > > _______________________________________________ > > Twisted-Python mailing list > > Twisted-Python@twistedmatrix.com > > http://twistedmatrix.com/cgi-bin/mailman/listinfo/twisted-python > > > _______________________________________________ > Twisted-Python mailing list > Twisted-Python@twistedmatrix.com > http://twistedmatrix.com/cgi-bin/mailman/listinfo/twisted-python > _______________________________________________ Twisted-Python mailing list Twisted-Python@twistedmatrix.com http://twistedmatrix.com/cgi-bin/mailman/listinfo/twisted-python
