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

[Rahul & Piyali Ray]

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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