If you hit a real problem, the solution is by definition useful, and we always welcome patches :-)
Not sure what the ideal name would be. We can improve it over time anyhow. On Thu, May 8, 2014 at 4:59 PM, Will Strang <william.p.str...@gmail.com> wrote: > In our use of zeromq, we have had other software connect to a listening TCP > stream socket, and then just sit there with the socket open. If the > connecting end sends enough bytes, that will initiate handshaking, which > will either succeed, or fail and disconnect. But if it sends nothing, or > too few bytes for handshaking to reach a conclusion, the socket just sits > there open. So I added a timer in stream_engine to limit the time from > connect to the end of handshaking, and disconnect on timeout. This also > works with zeromq sockets that are connecting, if the accepting end does not > start handshaking. > > If this seems useful to add to zeromq, I can make a pull request. I can > provide a unit test and documentation update. > > I made this time limit configurable by zmq_setsockopt as ZMQ_HANDSHAKE_IVL, > defaulted to 30 seconds. Or it could be defaulted to 0 (no limit), for > backward compatibility. Any suggestions on this? > > It seems to me that such "hanging" connects could be used as an attack. > > Will Strang > > _______________________________________________ > zeromq-dev mailing list > zeromq-dev@lists.zeromq.org > http://lists.zeromq.org/mailman/listinfo/zeromq-dev > _______________________________________________ zeromq-dev mailing list zeromq-dev@lists.zeromq.org http://lists.zeromq.org/mailman/listinfo/zeromq-dev
