libzmq/tests/test_disconnect_inproc.cpp
Luca Boccassi da31917f4f Relicense from LGPL3 + exceptions to Mozilla Public License version 2.0
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Fixes https://github.com/zeromq/libzmq/issues/2376
2023-06-05 20:31:47 +01:00

111 lines
3.7 KiB
C++

/* SPDX-License-Identifier: MPL-2.0 */
#include "testutil.hpp"
#include "testutil_unity.hpp"
#include <string.h>
SETUP_TEARDOWN_TESTCONTEXT
/// Initialize a zeromq message with a given null-terminated string
#define ZMQ_PREPARE_STRING(msg, data, size) \
TEST_ASSERT_SUCCESS_ERRNO (zmq_msg_init (&msg)); \
TEST_ASSERT_SUCCESS_ERRNO (zmq_msg_init_size (&msg, size + 1)); \
memcpy (zmq_msg_data (&msg), data, size + 1);
static int publicationsReceived = 0;
static bool isSubscribed = false;
void test_disconnect_inproc ()
{
void *pub_socket = test_context_socket (ZMQ_XPUB);
void *sub_socket = test_context_socket (ZMQ_SUB);
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (sub_socket, ZMQ_SUBSCRIBE, "foo", 3));
TEST_ASSERT_SUCCESS_ERRNO (
zmq_bind (pub_socket, "inproc://someInProcDescriptor"));
int more;
size_t more_size = sizeof (more);
for (int iteration = 0;; ++iteration) {
zmq_pollitem_t items[] = {
{sub_socket, 0, ZMQ_POLLIN, 0}, // read publications
{pub_socket, 0, ZMQ_POLLIN, 0}, // read subscriptions
};
int rc = zmq_poll (items, 2, 100);
if (items[1].revents & ZMQ_POLLIN) {
for (more = 1; more;) {
zmq_msg_t msg;
zmq_msg_init (&msg);
TEST_ASSERT_SUCCESS_ERRNO (zmq_msg_recv (&msg, pub_socket, 0));
const char *const buffer =
static_cast<const char *> (zmq_msg_data (&msg));
if (buffer[0] == 0) {
TEST_ASSERT_TRUE (isSubscribed);
isSubscribed = false;
} else {
TEST_ASSERT_FALSE (isSubscribed);
isSubscribed = true;
}
TEST_ASSERT_SUCCESS_ERRNO (
zmq_getsockopt (pub_socket, ZMQ_RCVMORE, &more, &more_size));
TEST_ASSERT_SUCCESS_ERRNO (zmq_msg_close (&msg));
}
}
if (items[0].revents & ZMQ_POLLIN) {
more = 1;
for (more = 1; more;) {
zmq_msg_t msg;
TEST_ASSERT_SUCCESS_ERRNO (zmq_msg_init (&msg));
TEST_ASSERT_SUCCESS_ERRNO (zmq_msg_recv (&msg, sub_socket, 0));
TEST_ASSERT_SUCCESS_ERRNO (
zmq_getsockopt (sub_socket, ZMQ_RCVMORE, &more, &more_size));
TEST_ASSERT_SUCCESS_ERRNO (zmq_msg_close (&msg));
}
publicationsReceived++;
}
if (iteration == 1) {
TEST_ASSERT_SUCCESS_ERRNO (
zmq_connect (sub_socket, "inproc://someInProcDescriptor"));
msleep (SETTLE_TIME);
}
if (iteration == 4) {
TEST_ASSERT_SUCCESS_ERRNO (
zmq_disconnect (sub_socket, "inproc://someInProcDescriptor"));
}
if (iteration > 4 && rc == 0)
break;
zmq_msg_t channel_envlp;
ZMQ_PREPARE_STRING (channel_envlp, "foo", 3);
TEST_ASSERT_SUCCESS_ERRNO (
zmq_msg_send (&channel_envlp, pub_socket, ZMQ_SNDMORE));
TEST_ASSERT_SUCCESS_ERRNO (zmq_msg_close (&channel_envlp));
zmq_msg_t message;
ZMQ_PREPARE_STRING (message, "this is foo!", 12);
TEST_ASSERT_SUCCESS_ERRNO (zmq_msg_send (&message, pub_socket, 0));
TEST_ASSERT_SUCCESS_ERRNO (zmq_msg_close (&message));
}
TEST_ASSERT_EQUAL_INT (3, publicationsReceived);
TEST_ASSERT_FALSE (isSubscribed);
test_context_socket_close (pub_socket);
test_context_socket_close (sub_socket);
}
int main (int, char **)
{
setup_test_environment ();
UNITY_BEGIN ();
RUN_TEST (test_disconnect_inproc);
return UNITY_END ();
}