void test_bind_before_connect ()
{
// Bind first
void *bind_socket = test_context_socket (ZMQ_PAIR);
TEST_ASSERT_SUCCESS_ERRNO (zmq_bind (bind_socket, "inproc://bbc"));
// Now connect
void *connect_socket = test_context_socket (ZMQ_PAIR);
TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (connect_socket, "inproc://bbc"));
// Queue up some data
send_string_expect_success (connect_socket, "foobar", 0);
// Read pending message
recv_string_expect_success (bind_socket, "foobar", 0);
// Cleanup
test_context_socket_close (connect_socket);
test_context_socket_close (bind_socket);
}
static void test_stream_to_dealer ()
{
int rc;
char my_endpoint[MAX_SOCKET_STRING];
// We'll be using this socket in raw mode
void *stream = test_context_socket (ZMQ_STREAM);
int zero = 0;
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (stream, ZMQ_LINGER, &zero, sizeof (zero)));
int enabled = 1;
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (stream, ZMQ_STREAM_NOTIFY, &enabled, sizeof (enabled)));
bind_loopback_ipv4 (stream, my_endpoint, sizeof my_endpoint);
// We'll be using this socket as the other peer
void *dealer = test_context_socket (ZMQ_DEALER);
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (dealer, ZMQ_LINGER, &zero, sizeof (zero)));
TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (dealer, my_endpoint));
// Send a message on the dealer socket
send_string_expect_success (dealer, "Hello", 0);
// Connecting sends a zero message
// First frame is routing id
zmq_msg_t routing_id;
TEST_ASSERT_SUCCESS_ERRNO (zmq_msg_init (&routing_id));
TEST_ASSERT_SUCCESS_ERRNO (zmq_msg_recv (&routing_id, stream, 0));
TEST_ASSERT_TRUE (zmq_msg_more (&routing_id));
// Verify the existence of Peer-Address metadata
char const *peer_address = zmq_msg_gets (&routing_id, "Peer-Address");
TEST_ASSERT_NOT_NULL (peer_address);
TEST_ASSERT_EQUAL_STRING ("127.0.0.1", peer_address);
// Second frame is zero
byte buffer[255];
TEST_ASSERT_EQUAL_INT (
0, TEST_ASSERT_SUCCESS_ERRNO (zmq_recv (stream, buffer, 255, 0)));
// Verify the existence of Peer-Address metadata
peer_address = zmq_msg_gets (&routing_id, "Peer-Address");
TEST_ASSERT_NOT_NULL (peer_address);
TEST_ASSERT_EQUAL_STRING ("127.0.0.1", peer_address);
// Real data follows
// First frame is routing id
TEST_ASSERT_SUCCESS_ERRNO (zmq_msg_recv (&routing_id, stream, 0));
TEST_ASSERT_TRUE (zmq_msg_more (&routing_id));
// Verify the existence of Peer-Address metadata
peer_address = zmq_msg_gets (&routing_id, "Peer-Address");
TEST_ASSERT_NOT_NULL (peer_address);
TEST_ASSERT_EQUAL_STRING ("127.0.0.1", peer_address);
// Second frame is greeting signature
recv_array_expect_success (stream, greeting.signature, 0);
// Send our own protocol greeting
TEST_ASSERT_SUCCESS_ERRNO (zmq_msg_send (&routing_id, stream, ZMQ_SNDMORE));
TEST_ASSERT_EQUAL_INT (
sizeof (greeting), TEST_ASSERT_SUCCESS_ERRNO (
zmq_send (stream, &greeting, sizeof (greeting), 0)));
// Now we expect the data from the DEALER socket
// We want the rest of greeting along with the Ready command
int bytes_read = 0;
while (bytes_read < 97) {
// First frame is the routing id of the connection (each time)
TEST_ASSERT_GREATER_THAN_INT (
0, TEST_ASSERT_SUCCESS_ERRNO (zmq_msg_recv (&routing_id, stream, 0)));
TEST_ASSERT_TRUE (zmq_msg_more (&routing_id));
// Second frame contains the next chunk of data
TEST_ASSERT_SUCCESS_ERRNO (
rc = zmq_recv (stream, buffer + bytes_read, 255 - bytes_read, 0));
bytes_read += rc;
}
// First two bytes are major and minor version numbers.
TEST_ASSERT_EQUAL_INT (3, buffer[0]); // ZMTP/3.0
TEST_ASSERT_EQUAL_INT (0, buffer[1]);
// Mechanism is "NULL"
TEST_ASSERT_EQUAL_INT8_ARRAY (buffer + 2,
"NULL\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0", 20);
TEST_ASSERT_EQUAL_INT8_ARRAY (buffer + 54, "\4\51\5READY", 8);
TEST_ASSERT_EQUAL_INT8_ARRAY (buffer + 62, "\13Socket-Type\0\0\0\6DEALER",
22);
TEST_ASSERT_EQUAL_INT8_ARRAY (buffer + 84, "\10Identity\0\0\0\0", 13);
// Announce we are ready
memcpy (buffer, "\4\51\5READY", 8);
memcpy (buffer + 8, "\13Socket-Type\0\0\0\6ROUTER", 22);
memcpy (buffer + 30, "\10Identity\0\0\0\0", 13);
// Send Ready command
TEST_ASSERT_GREATER_THAN_INT (0, TEST_ASSERT_SUCCESS_ERRNO (zmq_msg_send (
&routing_id, stream, ZMQ_SNDMORE)));
TEST_ASSERT_EQUAL_INT (
43, TEST_ASSERT_SUCCESS_ERRNO (zmq_send (stream, buffer, 43, 0)));
// Now we expect the data from the DEALER socket
// First frame is, again, the routing id of the connection
TEST_ASSERT_GREATER_THAN_INT (
0, TEST_ASSERT_SUCCESS_ERRNO (zmq_msg_recv (&routing_id, stream, 0)));
TEST_ASSERT_TRUE (zmq_msg_more (&routing_id));
// Third frame contains Hello message from DEALER
TEST_ASSERT_EQUAL_INT (7, TEST_ASSERT_SUCCESS_ERRNO (
zmq_recv (stream, buffer, sizeof buffer, 0)));
// Then we have a 5-byte message "Hello"
TEST_ASSERT_EQUAL_INT (0, buffer[0]); // Flags = 0
TEST_ASSERT_EQUAL_INT (5, buffer[1]); // Size = 5
TEST_ASSERT_EQUAL_INT8_ARRAY (buffer + 2, "Hello", 5);
// Send "World" back to DEALER
TEST_ASSERT_GREATER_THAN_INT (0, TEST_ASSERT_SUCCESS_ERRNO (zmq_msg_send (
&routing_id, stream, ZMQ_SNDMORE)));
byte world[] = {0, 5, 'W', 'o', 'r', 'l', 'd'};
TEST_ASSERT_EQUAL_INT (
sizeof (world),
TEST_ASSERT_SUCCESS_ERRNO (zmq_send (stream, world, sizeof (world), 0)));
// Expect response on DEALER socket
recv_string_expect_success (dealer, "World", 0);
// Test large messages over STREAM socket
#define size 64000
uint8_t msgout[size];
memset (msgout, 0xAB, size);
zmq_send (dealer, msgout, size, 0);
uint8_t msgin[9 + size];
memset (msgin, 0, 9 + size);
bytes_read = 0;
while (bytes_read < 9 + size) {
// Get routing id frame
TEST_ASSERT_GREATER_THAN_INT (
0, TEST_ASSERT_SUCCESS_ERRNO (zmq_recv (stream, buffer, 256, 0)));
// Get next chunk
TEST_ASSERT_GREATER_THAN_INT (
0,
TEST_ASSERT_SUCCESS_ERRNO (rc = zmq_recv (stream, msgin + bytes_read,
9 + size - bytes_read, 0)));
bytes_read += rc;
}
for (int byte_nbr = 0; byte_nbr < size; byte_nbr++) {
TEST_ASSERT_EQUAL_UINT8 (0xAB, msgin[9 + byte_nbr]);
}
test_context_socket_close (dealer);
test_context_socket_close (stream);
}
void test_get_peer_state ()
{
#ifdef ZMQ_BUILD_DRAFT_API
void *router = test_context_socket (ZMQ_ROUTER);
int mandatory = 1;
TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (router, ZMQ_ROUTER_MANDATORY,
&mandatory, sizeof (mandatory)));
const char *my_endpoint = "inproc://test_get_peer_state";
TEST_ASSERT_SUCCESS_ERRNO (zmq_bind (router, my_endpoint));
void *dealer1 = test_context_socket (ZMQ_DEALER);
void *dealer2 = test_context_socket (ZMQ_DEALER);
// Lower HWMs to allow doing the test with fewer messages
const int hwm = 100;
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (router, ZMQ_SNDHWM, &hwm, sizeof (int)));
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (dealer1, ZMQ_RCVHWM, &hwm, sizeof (int)));
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (dealer2, ZMQ_RCVHWM, &hwm, sizeof (int)));
const char *dealer1_routing_id = "X";
const char *dealer2_routing_id = "Y";
// Name dealer1 "X" and connect it to our router
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (dealer1, ZMQ_ROUTING_ID, dealer1_routing_id, 1));
TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (dealer1, my_endpoint));
// Name dealer2 "Y" and connect it to our router
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (dealer2, ZMQ_ROUTING_ID, dealer2_routing_id, 1));
TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (dealer2, my_endpoint));
// Get message from both dealers to know when connection is ready
send_string_expect_success (dealer1, "Hello", 0);
recv_string_expect_success (router, dealer1_routing_id, 0);
recv_string_expect_success (router, "Hello", 0);
send_string_expect_success (dealer2, "Hello", 0);
recv_string_expect_success (router, dealer2_routing_id, 0);
recv_string_expect_success (router, "Hello", 0);
void *poller = zmq_poller_new ();
TEST_ASSERT_NOT_NULL (poller);
// Poll on router and dealer1, but not on dealer2
TEST_ASSERT_SUCCESS_ERRNO (
zmq_poller_add (poller, router, NULL, ZMQ_POLLOUT));
TEST_ASSERT_SUCCESS_ERRNO (
zmq_poller_add (poller, dealer1, NULL, ZMQ_POLLIN));
const unsigned int count = 10000;
const unsigned int event_size = 2;
bool dealer2_blocked = false;
unsigned int dealer1_sent = 0, dealer2_sent = 0, dealer1_received = 0;
zmq_poller_event_t events[event_size];
for (unsigned int iteration = 0; iteration < count; ++iteration) {
TEST_ASSERT_SUCCESS_ERRNO (
zmq_poller_wait_all (poller, events, event_size, -1));
for (unsigned int event_no = 0; event_no < event_size; ++event_no) {
const zmq_poller_event_t ¤t_event = events[event_no];
if (current_event.socket == router
&& current_event.events & ZMQ_POLLOUT) {
if (send_msg_to_peer_if_ready (router, dealer1_routing_id))
++dealer1_sent;
if (send_msg_to_peer_if_ready (router, dealer2_routing_id))
++dealer2_sent;
else
dealer2_blocked = true;
}
if (current_event.socket == dealer1
&& current_event.events & ZMQ_POLLIN) {
recv_string_expect_success (dealer1, "Hello", ZMQ_DONTWAIT);
int more;
size_t more_size = sizeof (more);
TEST_ASSERT_SUCCESS_ERRNO (
zmq_getsockopt (dealer1, ZMQ_RCVMORE, &more, &more_size));
TEST_ASSERT_FALSE (more);
++dealer1_received;
}
// never read from dealer2, so its pipe becomes full eventually
}
}
printf ("dealer1_sent = %u, dealer2_sent = %u, dealer1_received = %u\n",
dealer1_sent, dealer2_sent, dealer1_received);
TEST_ASSERT_TRUE (dealer2_blocked);
zmq_poller_destroy (&poller);
test_context_socket_close (router);
test_context_socket_close (dealer1);
test_context_socket_close (dealer2);
#endif
}
void test_send_one_connected_one_unconnected_with_delay ()
{
int val;
// TEST 2
// This time we will do the same thing, connect two pipes,
// one of which will succeed in connecting to a bound
// receiver, the other of which will fail. However, we will
// also set the delay attach on connect flag, which should
// cause the pipe attachment to be delayed until the connection
// succeeds.
// Bind the valid socket
void *to = test_context_socket (ZMQ_PULL);
TEST_ASSERT_SUCCESS_ERRNO (zmq_bind (to, "tipc://{5560,0,0}"));
val = 0;
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (to, ZMQ_LINGER, &val, sizeof (val)));
// Create a socket pushing to two endpoints - all messages should arrive.
void *from = test_context_socket (ZMQ_PUSH);
val = 0;
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (from, ZMQ_LINGER, &val, sizeof (val)));
// Set the key flag
val = 1;
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (from, ZMQ_DELAY_ATTACH_ON_CONNECT, &val, sizeof (val)));
// Connect to the invalid socket
TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (from, "tipc://{5561,0}@0.0.0"));
// Connect to the valid socket
TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (from, "tipc://{5560,0}@0.0.0"));
// Send 10 messages, all should be routed to the connected pipe
const int send_count = 10;
for (int i = 0; i < send_count; ++i) {
send_string_expect_success (from, "Hello", 0);
}
int timeout = SETTLE_TIME;
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (to, ZMQ_RCVTIMEO, &timeout, sizeof (int)));
int seen = 0;
while (true) {
char buffer[16];
int rc = zmq_recv (to, &buffer, sizeof (buffer), 0);
if (rc == -1) {
TEST_ASSERT_EQUAL_INT (EAGAIN, zmq_errno ());
break; // Break when we didn't get a message
}
seen++;
}
TEST_ASSERT_EQUAL_INT (send_count, seen);
test_context_socket_close (from);
test_context_socket_close (to);
}
void test_router_2_router (bool named_)
{
char buff[256];
const char msg[] = "hi 1";
const int zero = 0;
char my_endpoint[MAX_SOCKET_STRING];
// Create bind socket.
void *rbind = test_context_socket (ZMQ_ROUTER);
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (rbind, ZMQ_LINGER, &zero, sizeof (zero)));
bind_loopback_ipv4 (rbind, my_endpoint, sizeof my_endpoint);
// Create connection socket.
void *rconn1 = test_context_socket (ZMQ_ROUTER);
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (rconn1, ZMQ_LINGER, &zero, sizeof (zero)));
// If we're in named mode, set some identities.
if (named_) {
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (rbind, ZMQ_ROUTING_ID, x_routing_id, 1));
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (rconn1, ZMQ_ROUTING_ID, y_routing_id, 1));
}
// Make call to connect using a connect_routing_id.
TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (rconn1, ZMQ_CONNECT_ROUTING_ID,
rconn1routing_id,
strlen (rconn1routing_id)));
TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (rconn1, my_endpoint));
/* Uncomment to test assert on duplicate routing id
// Test duplicate connect attempt.
TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (rconn1, ZMQ_CONNECT_ROUTING_ID, rconn1routing_id, strlen (rconn1routing_id)));
TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (rconn1, bindip));
*/
// Send some data.
send_string_expect_success (rconn1, rconn1routing_id, ZMQ_SNDMORE);
send_string_expect_success (rconn1, msg, 0);
// Receive the name.
const int routing_id_len = zmq_recv (rbind, buff, 256, 0);
if (named_) {
TEST_ASSERT_EQUAL_INT (strlen (y_routing_id), routing_id_len);
TEST_ASSERT_EQUAL_STRING_LEN (y_routing_id, buff, routing_id_len);
} else {
TEST_ASSERT_TRUE (routing_id_len && 0 == buff[0]);
}
// Receive the data.
recv_string_expect_success (rbind, msg, 0);
// Send some data back.
const int ret = zmq_send (rbind, buff, routing_id_len, ZMQ_SNDMORE);
TEST_ASSERT_EQUAL_INT (routing_id_len, ret);
send_string_expect_success (rbind, "ok", 0);
// If bound socket identity naming a problem, we'll likely see something funky here.
recv_string_expect_success (rconn1, rconn1routing_id, 0);
recv_string_expect_success (rconn1, "ok", 0);
TEST_ASSERT_SUCCESS_ERRNO (zmq_unbind (rbind, my_endpoint));
test_context_socket_close (rbind);
test_context_socket_close (rconn1);
}
void test_router_2_router_while_receiving ()
{
char buff[256];
const char msg[] = "hi 1";
const int zero = 0;
char x_endpoint[MAX_SOCKET_STRING];
char z_endpoint[MAX_SOCKET_STRING];
// Create xbind socket.
void *xbind = test_context_socket (ZMQ_ROUTER);
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (xbind, ZMQ_LINGER, &zero, sizeof (zero)));
bind_loopback_ipv4 (xbind, x_endpoint, sizeof x_endpoint);
// Create zbind socket.
void *zbind = test_context_socket (ZMQ_ROUTER);
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (zbind, ZMQ_LINGER, &zero, sizeof (zero)));
bind_loopback_ipv4 (zbind, z_endpoint, sizeof z_endpoint);
// Create connection socket.
void *yconn = test_context_socket (ZMQ_ROUTER);
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (yconn, ZMQ_LINGER, &zero, sizeof (zero)));
// set identities for each socket
TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (
xbind, ZMQ_ROUTING_ID, x_routing_id, strlen (x_routing_id)));
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (yconn, ZMQ_ROUTING_ID, y_routing_id, 2));
TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (
zbind, ZMQ_ROUTING_ID, z_routing_id, strlen (z_routing_id)));
// Connect Y to X using a routing id
TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (
yconn, ZMQ_CONNECT_ROUTING_ID, x_routing_id, strlen (x_routing_id)));
TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (yconn, x_endpoint));
// Send some data from Y to X.
send_string_expect_success (yconn, x_routing_id, ZMQ_SNDMORE);
send_string_expect_success (yconn, msg, 0);
// wait for the Y->X message to be received
msleep (SETTLE_TIME);
// Now X tries to connect to Z and send a message
TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (
xbind, ZMQ_CONNECT_ROUTING_ID, z_routing_id, strlen (z_routing_id)));
TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (xbind, z_endpoint));
// Try to send some data from X to Z.
send_string_expect_success (xbind, z_routing_id, ZMQ_SNDMORE);
send_string_expect_success (xbind, msg, 0);
// wait for the X->Z message to be received (so that our non-blocking check will actually
// fail if the message is routed to Y)
msleep (SETTLE_TIME);
// nothing should have been received on the Y socket
TEST_ASSERT_FAILURE_ERRNO (EAGAIN,
zmq_recv (yconn, buff, 256, ZMQ_DONTWAIT));
// the message should have been received on the Z socket
recv_string_expect_success (zbind, x_routing_id, 0);
recv_string_expect_success (zbind, msg, 0);
TEST_ASSERT_SUCCESS_ERRNO (zmq_unbind (xbind, x_endpoint));
TEST_ASSERT_SUCCESS_ERRNO (zmq_unbind (zbind, z_endpoint));
test_context_socket_close (yconn);
test_context_socket_close (xbind);
test_context_socket_close (zbind);
}
int test_blocking (int send_hwm_, int msg_cnt_, const char *endpoint)
{
size_t len = SOCKET_STRING_LEN;
char pub_endpoint[SOCKET_STRING_LEN];
// Set up bind socket
void *pub_socket = test_context_socket (ZMQ_XPUB);
TEST_ASSERT_SUCCESS_ERRNO (zmq_bind (pub_socket, endpoint));
TEST_ASSERT_SUCCESS_ERRNO (
zmq_getsockopt (pub_socket, ZMQ_LAST_ENDPOINT, pub_endpoint, &len));
// Set up connect socket
void *sub_socket = test_context_socket (ZMQ_SUB);
TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (sub_socket, pub_endpoint));
//set a hwm on publisher
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (pub_socket, ZMQ_SNDHWM, &send_hwm_, sizeof (send_hwm_)));
int wait = 1;
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (pub_socket, ZMQ_XPUB_NODROP, &wait, sizeof (wait)));
int timeout_ms = 10;
TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (
sub_socket, ZMQ_RCVTIMEO, &timeout_ms, sizeof (timeout_ms)));
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (sub_socket, ZMQ_SUBSCRIBE, 0, 0));
// Wait before starting TX operations till 1 subscriber has subscribed
// (in this test there's 1 subscriber only)
const char subscription_to_all_topics[] = {1, 0};
recv_string_expect_success (pub_socket, subscription_to_all_topics, 0);
// Send until we block
int send_count = 0;
int recv_count = 0;
int blocked_count = 0;
int is_termination = 0;
while (send_count < msg_cnt_) {
const int rc = zmq_send (pub_socket, NULL, 0, ZMQ_DONTWAIT);
if (rc == 0) {
++send_count;
} else if (-1 == rc) {
// if the PUB socket blocks due to HWM, errno should be EAGAIN:
blocked_count++;
TEST_ASSERT_EQUAL_INT (EAGAIN, errno);
recv_count += receive (sub_socket, &is_termination);
}
}
// if send_hwm_ < msg_cnt_, we should block at least once:
TEST_ASSERT (blocked_count > 0);
// dequeue SUB socket again, to make sure XPUB has space to send the termination message
recv_count += receive (sub_socket, &is_termination);
// send termination message
send_string_expect_success (pub_socket, "end", 0);
// now block on the SUB side till we get the termination message
while (is_termination == 0)
recv_count += receive (sub_socket, &is_termination);
// remove termination message from the count:
recv_count--;
TEST_ASSERT_EQUAL_INT (send_count, recv_count);
// Clean up
test_context_socket_close (sub_socket);
test_context_socket_close (pub_socket);
return recv_count;
}
void test_xpub_verboser_two_subs ()
{
void *pub, *sub0, *sub1;
create_xpub_with_2_subs (&pub, &sub0, &sub1);
create_duplicate_subscription (pub, sub0, sub1);
// Unsubscribe for A, this time it exists in XPUB
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (sub0, ZMQ_UNSUBSCRIBE, topic_a, 1));
// sub1 is still subscribed, so no notification
TEST_ASSERT_FAILURE_ERRNO (EAGAIN, zmq_recv (pub, NULL, 0, ZMQ_DONTWAIT));
// Unsubscribe the second socket to trigger the notification
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (sub1, ZMQ_UNSUBSCRIBE, topic_a, 1));
// Receive unsubscriptions since all sockets are gone
recv_array_expect_success (pub, unsubscribe_a_msg, 0);
// Make really sure there is only one notification
TEST_ASSERT_FAILURE_ERRNO (EAGAIN, zmq_recv (pub, NULL, 0, ZMQ_DONTWAIT));
int verbose = 1;
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (pub, ZMQ_XPUB_VERBOSER, &verbose, sizeof (int)));
// Subscribe socket for A again
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (sub0, ZMQ_SUBSCRIBE, topic_a, 1));
// Subscribe socket for A again
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (sub1, ZMQ_SUBSCRIBE, topic_a, 1));
// Receive subscriptions from subscriber, did not exist anymore
recv_array_expect_success (pub, subscribe_a_msg, 0);
// VERBOSER is set, so subs from both sockets are received
recv_array_expect_success (pub, subscribe_a_msg, 0);
// Sending A message to make sure everything still works
send_string_expect_success (pub, topic_a, 0);
recv_string_expect_success (sub0, topic_a, 0);
recv_string_expect_success (sub1, topic_a, 0);
// Unsubscribe for A
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (sub1, ZMQ_UNSUBSCRIBE, topic_a, 1));
// Receive unsubscriptions from first subscriber due to VERBOSER
recv_array_expect_success (pub, unsubscribe_a_msg, 0);
// Unsubscribe for A again from the other socket
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (sub0, ZMQ_UNSUBSCRIBE, topic_a, 1));
// Receive unsubscriptions from first subscriber due to VERBOSER
recv_array_expect_success (pub, unsubscribe_a_msg, 0);
// Unsubscribe again to make sure it gets filtered now
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (sub1, ZMQ_UNSUBSCRIBE, topic_a, 1));
// Unmatched, so XSUB filters even with VERBOSER
TEST_ASSERT_FAILURE_ERRNO (EAGAIN, zmq_recv (pub, NULL, 0, ZMQ_DONTWAIT));
// Clean up.
test_context_socket_close (pub);
test_context_socket_close (sub0);
test_context_socket_close (sub1);
}
void test_xpub_verboser_one_sub ()
{
// Create a publisher
void *pub = test_context_socket (ZMQ_XPUB);
TEST_ASSERT_SUCCESS_ERRNO (zmq_bind (pub, test_endpoint));
// Create a subscriber
void *sub = test_context_socket (ZMQ_SUB);
TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (sub, test_endpoint));
// Unsubscribe for A, does not exist yet
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (sub, ZMQ_UNSUBSCRIBE, topic_a, 1));
// Does not exist, so it will be filtered out by XSUB
TEST_ASSERT_FAILURE_ERRNO (EAGAIN, zmq_recv (pub, NULL, 0, ZMQ_DONTWAIT));
// Subscribe for A
TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (sub, ZMQ_SUBSCRIBE, topic_a, 1));
// Receive subscriptions from subscriber
recv_array_expect_success (pub, subscribe_a_msg, 0);
// Subscribe again for A again, XSUB will increase refcount
TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (sub, ZMQ_SUBSCRIBE, topic_a, 1));
// This time it is duplicated, so it will be filtered out by XPUB
TEST_ASSERT_FAILURE_ERRNO (EAGAIN, zmq_recv (pub, NULL, 0, ZMQ_DONTWAIT));
// Unsubscribe for A, this time it exists in XPUB
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (sub, ZMQ_UNSUBSCRIBE, topic_a, 1));
// XSUB refcounts and will not actually send unsub to PUB until the number
// of unsubs match the earlier subs
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (sub, ZMQ_UNSUBSCRIBE, topic_a, 1));
// Receive unsubscriptions from subscriber
recv_array_expect_success (pub, unsubscribe_a_msg, 0);
// XSUB only sends the last and final unsub, so XPUB will only receive 1
TEST_ASSERT_FAILURE_ERRNO (EAGAIN, zmq_recv (pub, NULL, 0, ZMQ_DONTWAIT));
// Unsubscribe for A, does not exist anymore
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (sub, ZMQ_UNSUBSCRIBE, topic_a, 1));
// Does not exist, so it will be filtered out by XSUB
TEST_ASSERT_FAILURE_ERRNO (EAGAIN, zmq_recv (pub, NULL, 0, ZMQ_DONTWAIT));
int verbose = 1;
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (pub, ZMQ_XPUB_VERBOSER, &verbose, sizeof (int)));
// Subscribe socket for A again
TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (sub, ZMQ_SUBSCRIBE, topic_a, 1));
// Receive subscriptions from subscriber, did not exist anymore
recv_array_expect_success (pub, subscribe_a_msg, 0);
// Sending A message to make sure everything still works
send_string_expect_success (pub, topic_a, 0);
recv_string_expect_success (sub, topic_a, 0);
// Unsubscribe for A, this time it exists
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (sub, ZMQ_UNSUBSCRIBE, topic_a, 1));
// Receive unsubscriptions from subscriber
recv_array_expect_success (pub, unsubscribe_a_msg, 0);
// Unsubscribe for A again, it does not exist anymore so XSUB will filter
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (sub, ZMQ_UNSUBSCRIBE, topic_a, 1));
// XSUB only sends unsub if it matched it in its trie, IOW: it will only
// send it if it existed in the first place even with XPUB_VERBBOSER
TEST_ASSERT_FAILURE_ERRNO (EAGAIN, zmq_recv (pub, NULL, 0, ZMQ_DONTWAIT));
// Clean up.
test_context_socket_close (pub);
test_context_socket_close (sub);
}