There is no option to drop old messages. Pieter On Jul 18, 2013 4:45 PM, "CFK" <[email protected]> wrote:
> Hi all, I'm trying to figure out what socket options I need to set under > ZMQ 3.2.3 to force ZMQ XPUB sockets to drop messages if they are old. I > have time-sensitive messages, any/all of which can be dropped if they are > older than some amount (set by the option) before ZMQ starts actual > transmission. Is there an option for this? From my testing, ZMQ_SNDTIMEO > does not seem to do this, and none of the other options I've read about > seem to be applicable. As it stands, I'm using pyzmq's MessageTracker > interface, along with a hackish thread interface, to queue all messages I > plan on sending until the currently sent message is actually transmitted, > before starting on the next message. This is suboptimal, and I'd like to > do something better. > > Note that any solution MUST work with XPUB/XSUB as they operate over UDP > (via PGM). I'm operating on a lossy wireless network, and cannot tolerate > how long TCP takes to timeout a connection, or how long it takes to figure > out a connection is back up. > > Thanks, > Cem Karan > > _______________________________________________ > zeromq-dev mailing list > [email protected] > http://lists.zeromq.org/mailman/listinfo/zeromq-dev > >
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