/* Copyright (c) 2007-2014 Contributors as noted in the AUTHORS file This file is part of 0MQ. 0MQ is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. 0MQ is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this program. If not, see . */ #include "testutil.hpp" int main (void) { setup_test_environment(); // Create the infrastructure void *ctx = zmq_ctx_new (); assert (ctx); void *sb = zmq_socket (ctx, ZMQ_ROUTER); assert (sb); int rc = zmq_bind (sb, "inproc://a"); assert (rc == 0); void *sc = zmq_socket (ctx, ZMQ_DEALER); assert (sc); rc = zmq_connect (sc, "inproc://a"); assert (rc == 0); // Send 2-part message. rc = zmq_send (sc, "A", 1, ZMQ_SNDMORE); assert (rc == 1); rc = zmq_send (sc, "B", 1, 0); assert (rc == 1); // Identity comes first. zmq_msg_t msg; rc = zmq_msg_init (&msg); assert (rc == 0); rc = zmq_msg_recv (&msg, sb, 0); assert (rc >= 0); int more = zmq_msg_more (&msg); assert (more == 1); // Then the first part of the message body. rc = zmq_msg_recv (&msg, sb, 0); assert (rc == 1); more = zmq_msg_more (&msg); assert (more == 1); // And finally, the second part of the message body. rc = zmq_msg_recv (&msg, sb, 0); assert (rc == 1); more = zmq_msg_more (&msg); assert (more == 0); // Test ZMQ_SHARED property (case 1, refcounted messages) zmq_msg_t msg_a; rc = zmq_msg_init_size(&msg_a, 1024); // large enough to be a type_lmsg assert (rc == 0); // Message is not shared rc = zmq_msg_get(&msg_a, ZMQ_SHARED); assert (rc == 0); zmq_msg_t msg_b; rc = zmq_msg_init(&msg_b); assert (rc == 0); rc = zmq_msg_copy(&msg_b, &msg_a); assert (rc == 0); // Message is now shared rc = zmq_msg_get(&msg_b, ZMQ_SHARED); assert (rc == 1); // cleanup rc = zmq_msg_close(&msg_a); assert (rc == 0); rc = zmq_msg_close(&msg_b); assert (rc == 0); // Test ZMQ_SHARED property (case 2, constant data messages) rc = zmq_msg_init_data(&msg_a, (void*) "TEST", 5, 0, 0); assert (rc == 0); // Message reports as shared rc = zmq_msg_get(&msg_a, ZMQ_SHARED); assert (rc == 1); // cleanup rc = zmq_msg_close(&msg_a); assert (rc == 0); // Deallocate the infrastructure. rc = zmq_close (sc); assert (rc == 0); rc = zmq_close (sb); assert (rc == 0); rc = zmq_ctx_term (ctx); assert (rc == 0); return 0 ; }