mirror of
https://github.com/zeromq/libzmq.git
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779d120fa3
Solution: apply naming style
152 lines
5.8 KiB
C++
152 lines
5.8 KiB
C++
/*
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Copyright (c) 2007-2016 Contributors as noted in the AUTHORS file
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This file is part of libzmq, the ZeroMQ core engine in C++.
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libzmq is free software; you can redistribute it and/or modify it under
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the terms of the GNU Lesser General Public License (LGPL) as published
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by the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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As a special exception, the Contributors give you permission to link
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this library with independent modules to produce an executable,
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regardless of the license terms of these independent modules, and to
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copy and distribute the resulting executable under terms of your choice,
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provided that you also meet, for each linked independent module, the
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terms and conditions of the license of that module. An independent
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module is a module which is not derived from or based on this library.
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If you modify this library, you must extend this exception to your
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version of the library.
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libzmq is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "testutil.hpp"
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/// Initialize a zeromq message with a given null-terminated string
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#define ZMQ_PREPARE_STRING(msg, data, size) \
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\
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zmq_msg_init (&msg) \
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&& printf ("zmq_msg_init: %s\n", zmq_strerror (errno)); \
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\
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zmq_msg_init_size (&msg, size + 1) \
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&& printf ("zmq_msg_init_size: %s\n", zmq_strerror (errno)); \
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\
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memcpy (zmq_msg_data (&msg), data, size + 1);
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// TODO: this code fails to meet our style guidelines, and needs rewriting
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static int publicationsReceived = 0;
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static bool isSubscribed = false;
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int main (int, char **)
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{
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setup_test_environment ();
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void *context = zmq_ctx_new ();
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void *pub_socket;
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void *sub_socket;
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(pub_socket = zmq_socket (context, ZMQ_XPUB))
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|| printf ("zmq_socket: %s\n", zmq_strerror (errno));
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(sub_socket = zmq_socket (context, ZMQ_SUB))
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|| printf ("zmq_socket: %s\n", zmq_strerror (errno));
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zmq_setsockopt (sub_socket, ZMQ_SUBSCRIBE, "foo", 3)
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&& printf ("zmq_setsockopt: %s\n", zmq_strerror (errno));
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zmq_bind (pub_socket, "inproc://someInProcDescriptor")
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&& printf ("zmq_bind: %s\n", zmq_strerror (errno));
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//zmq_bind(pubSocket, "tcp://127.0.0.1:30010") && printf("zmq_bind: %s\n", zmq_strerror(errno));
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int more;
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size_t more_size = sizeof (more);
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int iteration = 0;
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while (1) {
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zmq_pollitem_t items[] = {
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{sub_socket, 0, ZMQ_POLLIN, 0}, // read publications
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{pub_socket, 0, ZMQ_POLLIN, 0}, // read subscriptions
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};
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int rc = zmq_poll (items, 2, 100);
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if (items[1].revents & ZMQ_POLLIN) {
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while (1) {
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zmq_msg_t msg;
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zmq_msg_init (&msg);
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zmq_msg_recv (&msg, pub_socket, 0);
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char *buffer = (char *) zmq_msg_data (&msg);
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if (buffer[0] == 0) {
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assert (isSubscribed);
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isSubscribed = false;
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} else {
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assert (!isSubscribed);
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isSubscribed = true;
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}
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zmq_getsockopt (pub_socket, ZMQ_RCVMORE, &more, &more_size);
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zmq_msg_close (&msg);
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if (!more)
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break; // Last message part
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}
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}
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if (items[0].revents & ZMQ_POLLIN) {
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while (1) {
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zmq_msg_t msg;
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zmq_msg_init (&msg);
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zmq_msg_recv (&msg, sub_socket, 0);
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zmq_getsockopt (sub_socket, ZMQ_RCVMORE, &more, &more_size);
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zmq_msg_close (&msg);
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if (!more) {
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publicationsReceived++;
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break; // Last message part
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}
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}
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}
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if (iteration == 1) {
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zmq_connect (sub_socket, "inproc://someInProcDescriptor")
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&& printf ("zmq_connect: %s\n", zmq_strerror (errno));
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msleep (SETTLE_TIME);
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}
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if (iteration == 4) {
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zmq_disconnect (sub_socket, "inproc://someInProcDescriptor")
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&& printf ("zmq_disconnect(%d): %s\n", errno,
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zmq_strerror (errno));
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}
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if (iteration > 4 && rc == 0)
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break;
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zmq_msg_t channel_envlp;
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ZMQ_PREPARE_STRING (channel_envlp, "foo", 3);
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zmq_msg_send (&channel_envlp, pub_socket, ZMQ_SNDMORE) >= 0
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|| printf ("zmq_msg_send: %s\n", zmq_strerror (errno));
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zmq_msg_close (&channel_envlp)
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&& printf ("zmq_msg_close: %s\n", zmq_strerror (errno));
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zmq_msg_t message;
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ZMQ_PREPARE_STRING (message, "this is foo!", 12);
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zmq_msg_send (&message, pub_socket, 0) >= 0
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|| printf ("zmq_msg_send: %s\n", zmq_strerror (errno));
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zmq_msg_close (&message)
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&& printf ("zmq_msg_close: %s\n", zmq_strerror (errno));
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iteration++;
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}
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assert (publicationsReceived == 3);
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assert (!isSubscribed);
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zmq_close (pub_socket) && printf ("zmq_close: %s", zmq_strerror (errno));
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zmq_close (sub_socket) && printf ("zmq_close: %s", zmq_strerror (errno));
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zmq_ctx_term (context);
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return 0;
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}
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