Yes it does. It looks like endpoints will also help in implementing the next piece which is to support connections over SSL (instead of SSH tunnelling). I haven't really used twisted since 8.0 - looks like I have a lot of catching up to do! Thanks for the quick response.
Regards, Naveen On Tue, Dec 1, 2015 at 3:30 AM, Glyph Lefkowitz <gl...@twistedmatrix.com> wrote: > > On Nov 30, 2015, at 4:17 PM, Naveen Michaud-Agrawal < > naveen.michaudagra...@gmail.com> wrote: > > Hi, > > I've managed to implement ssh tunneling using this answer on SO - > http://stackoverflow.com/a/23549091/5605324, and the tunnel can be used > from another app. However I would like to use it from within the twisted > application, but I'm not sure what to wire up so that I can get a callback > when the SSHConnectForwardingChannel is ready for traffic. It looks like I > can attach a callback to channel's _channelOpenDeferred, but that seems a > bit hacky. Any suggestions? > > > Don't use listenTCP. Use endpoints: > https://twistedmatrix.com/documents/15.5.0/core/howto/endpoints.html > > Once you have adopted endpoints, it (hopefully) becomes clear that one way > to do what you want is to create your own in-process IStreamServerEndpoint > implementation, and pass 'factory' in that answer to its 'listen' method, > you can deliver data for it to relay to the remote port by calling its > '.dataReceived' method, and implement your own '.write' method on your > transport in order to deliver data to your application. There's nothing > magical about these methods, after all, they're just Python functions - and > forwarding.SSHListenForwardingFactory just expects to talk to a transport, > it shouldn't matter what kind it is. (It might need to implement other > interfaces, like ITCPTransport; not everything in Twisted is scrupulously > careful about declaring what exact interface it needs, and there are often > bugs in edge-cases like this. But those are also just a few more methods > you can implement, if necessary.) > > Does this make sense? > > -glyph > > > _______________________________________________ > Twisted-Python mailing list > Twisted-Python@twistedmatrix.com > http://twistedmatrix.com/cgi-bin/mailman/listinfo/twisted-python > > -- ----------------------------------- Naveen Michaud-Agrawal
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