Hi, I had to increase the "sleep" to 5 seconds and it worked.
Strange ! On Fri, Sep 23, 2016 at 10:00 AM, Aurélien .... <[email protected]> wrote: > I tried with 127.0.0.1 on bind and connect functions, it didn't worked. > > I also tried on Linux (Ubuntu 16.04), same result. > > Very strange ! > > On Thu, Sep 22, 2016 at 7:12 PM, Luca Boccassi <[email protected]> > wrote: > >> Windows has some weirdness on the localhost I think, try to avoid the >> wildcard and bind and connect to 127.0.0.1 >> >> On 22 September 2016 at 17:57, Aurélien .... <[email protected]> wrote: >> > Thank you for your replies. >> > >> > I tried with that : >> > >> > zmq::socket_t subscriber(context, ZMQ_SUB); >> > subscriber.connect("tcp://localhost:5563"); >> > Sleep(1000); >> > subscriber.setsockopt(ZMQ_SUBSCRIBE, "A"); >> > Sleep(1000); >> > >> > And it stiil does not work. >> > >> > I also tried with the ZMQ version 4.2.0, same result. >> > >> > I forgot to tell that I'm using the static version of ZMQ (with the >> > ZMQ_STATIC preprocessor variable), maybe it has something to do ? >> > >> > Thank you, >> > >> > Kin >> > >> > On Thu, Sep 22, 2016 at 6:28 PM, Dimos Stamatakis <[email protected]> >> > wrote: >> >> >> >> That's right. I remember reading this on the instructions on how to >> build >> >> a pub-sub system in ZeroMQ. There is limited availability, since as >> Ian said >> >> they wanted to build something fast and make it reliable, rather than >> >> building something reliable and make it fast. >> >> >> >> Dimos >> >> >> >> On Thu, Sep 22, 2016 at 12:21 PM, Colin Ingarfield < >> [email protected]> >> >> wrote: >> >>> >> >>> The subscriber connect() call is asynchronous. It's possible the >> publish >> >>> messages are sent before the subscribe socket connects and >> establishes its >> >>> subscription. >> >>> >> >>> Try sleeping for 100ms or so after the connect call, before the loop. >> >>> >> >>> >> >>> On 9/22/16 11:10 AM, Aurélien .... wrote: >> >>> >> >>> Hi, >> >>> >> >>> I'm trying to make a simple PUB / SUB test. >> >>> >> >>> First, I created the publisher, then the subscriber with a message to >> >>> subscribe. >> >>> >> >>> Second, I send some messages from the publisher and I try to retreive >> >>> them from the subscriber. >> >>> >> >>> The code compiles but the subscriber does not receive any data. >> >>> >> >>> My config is : >> >>> - Windows 7 / Visual Studio 2015 >> >>> - Compile in /MTd (debug) >> >>> - ZMQ Version : 4.1.4 >> >>> >> >>> Here is the code : >> >>> >> >>> #include "zhelpers.hpp" >> >>> >> >>> void TestPubSub() >> >>> { >> >>> zmq::context_t context; >> >>> zmq::socket_t publisher(context, ZMQ_PUB); >> >>> zmq_bind(publisher, "tcp://*:5563"); >> >>> >> >>> zmq::socket_t subscriber(context, ZMQ_SUB); >> >>> subscriber.connect("tcp://localhost:5563"); >> >>> subscriber.setsockopt(ZMQ_SUBSCRIBE, "A"); >> >>> >> >>> while (1) { >> >>> // Write two messages, each with an envelope and content >> >>> s_sendmore(publisher, "A"); >> >>> s_send(publisher, "We don't want to see this"); >> >>> s_sendmore(publisher, "B"); >> >>> s_send(publisher, "We would like to see this"); >> >>> >> >>> // Read envelope with address >> >>> std::string addr = s_recv(subscriber); // block here, waiting for >> >>> messages which does not come >> >>> // Read message contents >> >>> std::string contents = s_recv(subscriber); >> >>> } >> >>> } >> >>> >> >>> int main(int argc, char** argv) >> >>> { >> >>> TestPubSub(); >> >>> return 0; >> >>> } >> >>> >> >>> Can you tel me where I'm wrong ? >> >>> >> >>> Thank you very much, >> >>> >> >>> Kin >> >>> >> >>> >> >>> _______________________________________________ >> >>> zeromq-dev mailing list >> >>> [email protected] >> >>> http://lists.zeromq.org/mailman/listinfo/zeromq-dev >> >>> >> >>> >> >>> >> >>> _______________________________________________ >> >>> zeromq-dev mailing list >> >>> [email protected] >> >>> http://lists.zeromq.org/mailman/listinfo/zeromq-dev >> >> >> >> >> >> >> >> _______________________________________________ >> >> zeromq-dev mailing list >> >> [email protected] >> >> http://lists.zeromq.org/mailman/listinfo/zeromq-dev >> > >> > >> > >> > _______________________________________________ >> > zeromq-dev mailing list >> > [email protected] >> > http://lists.zeromq.org/mailman/listinfo/zeromq-dev >> _______________________________________________ >> zeromq-dev mailing list >> [email protected] >> http://lists.zeromq.org/mailman/listinfo/zeromq-dev >> > >
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