On Tue, Mar 09, 2010 at 07:26:34PM -0300, gonzalo diethelm wrote: > I wrote two small apps: one binds a PUB socket to an endpoint and sends > N messages to it; the other connects a SUB socket to that same endpoint > and receives N messages. The sender optionally can wait a certain amount > of ms between each send, and it always waits for 60 seconds at the end. > I am attaching both files; all my tests are under Windows XP. > > I run the following commands on two separate windows: > > # send 20 msgs, waiting 50 ms between them, no poll > ./sender tcp://127.0.0.1:5009 20 50 0 > > # receive 20 messages > ./receiver tcp://127.0.0.1:5009 20 > > This works erratically. Sometimes receiver receives less than 20 > messages; sometimes it receives NONE. > > Is it the case that PUB/SUB sockets are unreliable? This is sort of a > surprise to me... If they are not, what could explain this behavior? > Thanks in advance. >
if a tree falls in the forest and no one is there to hear it does it make a sound? :P afaik, pub doesn't queue up all the messages you send and resend old messages to subs that connect later on. it isn't used for such a use case. -emit _______________________________________________ zeromq-dev mailing list [email protected] http://lists.zeromq.org/mailman/listinfo/zeromq-dev
