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/* SPDX-License-Identifier: MPL-2.0 */
#include <assert.h>
#include "testutil.hpp"
#include "testutil_unity.hpp"
#include "testutil_monitoring.hpp"
#include <unity.h>
// test behavior with (mostly) default values
void reconnect_default ()
{
// setup pub socket
void *pub = test_context_socket (ZMQ_PUB);
// Bind pub socket
TEST_ASSERT_SUCCESS_ERRNO (zmq_bind (pub, ENDPOINT_0));
// setup sub socket
void *sub = test_context_socket (ZMQ_SUB);
// Monitor all events on sub
TEST_ASSERT_SUCCESS_ERRNO (
zmq_socket_monitor (sub, "inproc://monitor-sub", ZMQ_EVENT_ALL));
// Create socket for collecting monitor events
void *sub_mon = test_context_socket (ZMQ_PAIR);
// Connect so they'll get events
TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (sub_mon, "inproc://monitor-sub"));
// set reconnect interval so only a single reconnect is tried
int interval = 60 * 1000;
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (sub, ZMQ_RECONNECT_IVL, &interval, sizeof (interval)));
// connect to pub
TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (sub, ENDPOINT_0));
// confirm that we get following events
expect_monitor_event (sub_mon, ZMQ_EVENT_CONNECT_DELAYED);
expect_monitor_event (sub_mon, ZMQ_EVENT_CONNECTED);
expect_monitor_event (sub_mon, ZMQ_EVENT_HANDSHAKE_SUCCEEDED);
// close the pub socket
test_context_socket_close_zero_linger (pub);
// confirm that we get following events
expect_monitor_event (sub_mon, ZMQ_EVENT_DISCONNECTED);
expect_monitor_event (sub_mon, ZMQ_EVENT_CONNECT_RETRIED);
// ZMQ_EVENT_CONNECT_RETRIED should be last event, because of timeout set above
int event;
char *event_address;
int rc = get_monitor_event_with_timeout (sub_mon, &event, &event_address,
2 * 1000);
assert (rc == -1);
LIBZMQ_UNUSED (rc);
// Close sub
// TODO why does this use zero_linger?
test_context_socket_close_zero_linger (sub);
// Close monitor
// TODO why does this use zero_linger?
test_context_socket_close_zero_linger (sub_mon);
}
// test successful reconnect
void reconnect_success ()
{
// setup pub socket
void *pub = test_context_socket (ZMQ_PUB);
// Bind pub socket
TEST_ASSERT_SUCCESS_ERRNO (zmq_bind (pub, ENDPOINT_0));
// setup sub socket
void *sub = test_context_socket (ZMQ_SUB);
// Monitor all events on sub
TEST_ASSERT_SUCCESS_ERRNO (
zmq_socket_monitor (sub, "inproc://monitor-sub", ZMQ_EVENT_ALL));
// Create socket for collecting monitor events
void *sub_mon = test_context_socket (ZMQ_PAIR);
// Connect so they'll get events
TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (sub_mon, "inproc://monitor-sub"));
// set reconnect interval so only a single reconnect is tried
int interval = 1 * 1000;
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (sub, ZMQ_RECONNECT_IVL, &interval, sizeof (interval)));
// connect to pub
TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (sub, ENDPOINT_0));
// confirm that we get following events
expect_monitor_event (sub_mon, ZMQ_EVENT_CONNECT_DELAYED);
expect_monitor_event (sub_mon, ZMQ_EVENT_CONNECTED);
expect_monitor_event (sub_mon, ZMQ_EVENT_HANDSHAKE_SUCCEEDED);
// close the pub socket
test_context_socket_close_zero_linger (pub);
// confirm that we get following events
expect_monitor_event (sub_mon, ZMQ_EVENT_DISCONNECTED);
expect_monitor_event (sub_mon, ZMQ_EVENT_CONNECT_RETRIED);
// ZMQ_EVENT_CONNECT_RETRIED should be last event, because of timeout set above
int event;
char *event_address;
int rc = get_monitor_event_with_timeout (sub_mon, &event, &event_address,
SETTLE_TIME);
assert (rc == -1);
LIBZMQ_UNUSED (rc);
// Now re-bind pub socket and wait for re-connect
pub = test_context_socket (ZMQ_PUB);
TEST_ASSERT_SUCCESS_ERRNO (zmq_bind (pub, ENDPOINT_0));
msleep (SETTLE_TIME);
// confirm that we get following events
expect_monitor_event (sub_mon, ZMQ_EVENT_CONNECT_DELAYED);
expect_monitor_event (sub_mon, ZMQ_EVENT_CONNECTED);
expect_monitor_event (sub_mon, ZMQ_EVENT_HANDSHAKE_SUCCEEDED);
// ZMQ_EVENT_HANDSHAKE_SUCCEEDED should be last event
rc = get_monitor_event_with_timeout (sub_mon, &event, &event_address,
SETTLE_TIME);
assert (rc == -1);
// Close sub
// TODO why does this use zero_linger?
test_context_socket_close_zero_linger (sub);
test_context_socket_close_zero_linger (pub);
// Close monitor
// TODO why does this use zero_linger?
test_context_socket_close_zero_linger (sub_mon);
}
#ifdef ZMQ_BUILD_DRAFT_API
// test stopping reconnect on connection refused
void reconnect_stop_on_refused ()
{
// setup pub socket
void *pub = test_context_socket (ZMQ_PUB);
// Bind pub socket
TEST_ASSERT_SUCCESS_ERRNO (zmq_bind (pub, ENDPOINT_0));
// setup sub socket
void *sub = test_context_socket (ZMQ_SUB);
// Monitor all events on sub
TEST_ASSERT_SUCCESS_ERRNO (
zmq_socket_monitor (sub, "inproc://monitor-sub", ZMQ_EVENT_ALL));
// Create socket for collecting monitor events
void *sub_mon = test_context_socket (ZMQ_PAIR);
// Connect so they'll get events
TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (sub_mon, "inproc://monitor-sub"));
// set option to stop reconnecting on error
int stopReconnectOnError = ZMQ_RECONNECT_STOP_CONN_REFUSED;
TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (sub, ZMQ_RECONNECT_STOP,
&stopReconnectOnError,
sizeof (stopReconnectOnError)));
// connect to pub
TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (sub, ENDPOINT_0));
// confirm that we get following events
expect_monitor_event (sub_mon, ZMQ_EVENT_CONNECT_DELAYED);
expect_monitor_event (sub_mon, ZMQ_EVENT_CONNECTED);
expect_monitor_event (sub_mon, ZMQ_EVENT_HANDSHAKE_SUCCEEDED);
// close the pub socket
test_context_socket_close_zero_linger (pub);
// confirm that we get following events
expect_monitor_event (sub_mon, ZMQ_EVENT_DISCONNECTED);
expect_monitor_event (sub_mon, ZMQ_EVENT_CONNECT_RETRIED);
expect_monitor_event (sub_mon, ZMQ_EVENT_CONNECT_DELAYED);
expect_monitor_event (sub_mon, ZMQ_EVENT_CLOSED);
// ZMQ_EVENT_CLOSED should be last event, because of ZMQ_RECONNECT_STOP set above
int event = 0;
char *event_address;
int rc = get_monitor_event_with_timeout (sub_mon, &event, &event_address,
2 * 1000);
int limit = 0;
while ((rc != -1) && (++limit < 1000)) {
print_unexpected_event_stderr (event, rc, 0, -1);
rc = get_monitor_event_with_timeout (sub_mon, &event, &event_address,
2 * 1000);
}
// Close sub
// TODO why does this use zero_linger?
test_context_socket_close_zero_linger (sub);
// Close monitor
// TODO why does this use zero_linger?
test_context_socket_close_zero_linger (sub_mon);
}
#endif
#ifdef ZMQ_BUILD_DRAFT_API
// test stopping reconnect on connection refused
void reconnect_stop_on_handshake_failed ()
{
char bind_address[MAX_SOCKET_STRING];
size_t addr_length = sizeof (bind_address);
void *dummy = test_context_socket (ZMQ_STREAM);
TEST_ASSERT_SUCCESS_ERRNO (zmq_bind (dummy, "tcp://127.0.0.1:0"));
TEST_ASSERT_SUCCESS_ERRNO (
zmq_getsockopt (dummy, ZMQ_LAST_ENDPOINT, bind_address, &addr_length));
// setup sub socket
void *sub = test_context_socket (ZMQ_SUB);
// Monitor all events on sub
TEST_ASSERT_SUCCESS_ERRNO (
zmq_socket_monitor (sub, "inproc://monitor-sub", ZMQ_EVENT_ALL));
// Create socket for collecting monitor events
void *sub_mon = test_context_socket (ZMQ_PAIR);
// Connect so they'll get events
TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (sub_mon, "inproc://monitor-sub"));
// set handshake interval (i.e., timeout) to a more reasonable value
int handshakeInterval = 1000;
TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (
sub, ZMQ_HANDSHAKE_IVL, &handshakeInterval, sizeof (handshakeInterval)));
// set option to stop reconnecting on failed handshake
int stopReconnectOnError = ZMQ_RECONNECT_STOP_HANDSHAKE_FAILED;
TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (sub, ZMQ_RECONNECT_STOP,
&stopReconnectOnError,
sizeof (stopReconnectOnError)));
// connect to dummy stream socket above
TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (sub, bind_address));
#if 1
// ZMQ_EVENT_DISCONNECTED should be last event, because of ZMQ_RECONNECT_STOP set above
expect_monitor_event (sub_mon, ZMQ_EVENT_CONNECT_DELAYED);
expect_monitor_event (sub_mon, ZMQ_EVENT_CONNECTED);
expect_monitor_event (sub_mon, ZMQ_EVENT_HANDSHAKE_FAILED_NO_DETAIL);
expect_monitor_event (sub_mon, ZMQ_EVENT_DISCONNECTED);
#else
print_events (sub_mon, 2 * 1000, 1000);
#endif
// Close sub
// TODO why does this use zero_linger?
test_context_socket_close_zero_linger (sub);
test_context_socket_close_zero_linger (dummy);
// Close monitor
// TODO why does this use zero_linger?
test_context_socket_close_zero_linger (sub_mon);
}
#endif
void setUp ()
{
setup_test_context ();
}
void tearDown ()
{
teardown_test_context ();
}
int main (void)
{
setup_test_environment ();
UNITY_BEGIN ();
RUN_TEST (reconnect_default);
RUN_TEST (reconnect_success);
#ifdef ZMQ_BUILD_DRAFT_API
RUN_TEST (reconnect_stop_on_refused);
RUN_TEST (reconnect_stop_on_handshake_failed);
#endif
return UNITY_END ();
}
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