[zeromq-dev] DEALER and ROUTER to send and receive

[A. Mark]

It is difficult to help without understanding more detail about your
application, in general yes you can send/recv in any order on router/dealer.


On Tue, Apr 9, 2013 at 3:38 PM, Rahul & Piyali Ray <8429oakmont at gmail.com>wrote:

> Hi Gurus,
>     I have implemented a dealer (server) and router ( as server) using
> zmq. I would like my application to use dealer or router to both send and
> receive messages, something like a dealer can send and receive message. Is
> this possible ? Please see the code that I have written. This works for one
> way connection ( dealer sends, router receives). But I want it both
> ways...dealer to receive from router on the same port over the network. Can
> you please help me find what I am missing ?
>
> Thanks,
> Tufan
>
> code:
>
> int MessageClient::SendMessage(list<string> stringList)
>     181 {
>     182
>     183     int returnvalue = -1;
>     184     int count = stringList.size();
>     185     for(list<string>::const_iterator sitterator =
> stringList.begin();
>     186             sitterator != stringList.end();  sitterator++)
>     187     {
>     188         string stringName = *sitterator;
>     189         int length = stringName.length();
>     190         int flag = count - 1;
>     191         count--;
>     192         void* value = &stringName;
>     193         printf("message is %s", stringName);
>     194         if(flag > 0)
>     195             returnvalue = zmq_send(socket, value, length,
> PM_SNDMORE);
>     196         else
>     197             returnvalue = zmq_send(socket, value, length, flag);
>     198
>     199         assert (returnvalue == 1);
>     200     }
>     201     return returnvalue;
>     202 }
>
>
>                char* MessageClient::ReceiveMessage( int flags)
>     219 {
>     220     zmq_msg_t zmqMessage;
>     221     zmq_msg_init(&zmqMessage);
>     222     int size = zmq_msg_recv(&zmqMessage,socket,flags);
>     223     if(size == -1)
>     224     {
>     225         printf(" no message");
>     226         return (NULL);
>     227     }
>     228     char *string = (char *)malloc(size + 1);
>     229     memcpy(string, zmq_msg_data(&zmqMessage), size);
>     230     zmq_msg_close(&zmqMessage);
>     231     string[size] = 0;
>     232     return string;
>     233 }
>     234
>
>
>
>
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>
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