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/* SPDX-License-Identifier: MPL-2.0 */
#include "testutil.hpp"
#include "testutil_unity.hpp"
#include <string.h>
SETUP_TEARDOWN_TESTCONTEXT
const char *rconn1routing_id = "conn1";
const char *x_routing_id = "X";
const char *y_routing_id = "Y";
const char *z_routing_id = "Z";
void test_stream_2_stream ()
{
char buff[256];
const char msg[] = "hi 1";
const int disabled = 0;
const int zero = 0;
char my_endpoint[MAX_SOCKET_STRING];
// Set up listener STREAM.
void *rbind = test_context_socket (ZMQ_STREAM);
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (rbind, ZMQ_STREAM_NOTIFY, &disabled, sizeof (disabled)));
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (rbind, ZMQ_LINGER, &zero, sizeof zero));
bind_loopback_ipv4 (rbind, my_endpoint, sizeof my_endpoint);
// Set up connection stream.
void *rconn1 = test_context_socket (ZMQ_STREAM);
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (rconn1, ZMQ_LINGER, &zero, sizeof zero));
// Do the connection.
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 data to the bound stream.
send_string_expect_success (rconn1, rconn1routing_id, ZMQ_SNDMORE);
send_string_expect_success (rconn1, msg, 0);
// Accept data on the bound stream.
TEST_ASSERT_GREATER_THAN (
0, TEST_ASSERT_SUCCESS_ERRNO (zmq_recv (rbind, buff, 256, 0)));
TEST_ASSERT_EQUAL (0, buff[0]); // an auto-generated routing id
recv_string_expect_success (rbind, msg, 0);
// Handle close of the socket.
TEST_ASSERT_SUCCESS_ERRNO (zmq_unbind (rbind, my_endpoint));
test_context_socket_close (rbind);
test_context_socket_close (rconn1);
}
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);
}
void test_router_2_router_unnamed ()
{
test_router_2_router (false);
}
void test_router_2_router_named ()
{
test_router_2_router (true);
}
int main ()
{
setup_test_environment ();
UNITY_BEGIN ();
RUN_TEST (test_stream_2_stream);
RUN_TEST (test_router_2_router_unnamed);
RUN_TEST (test_router_2_router_named);
RUN_TEST (test_router_2_router_while_receiving);
return UNITY_END ();
}
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