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Merge commit 'e988fee1679536137b87d10e939eff5c1f27c8ab' as 'libs/libzmq'

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Henry Winkel
2022-10-22 14:31:55 +02:00
parent 4841b3ff17 e988fee167
commit 3d97ffdfea
1118 changed files with 149390 additions and 0 deletions
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libs/libzmq/tests/test_router_handover.cpp Normal file
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/*
Copyright (c) 2007-2017 Contributors as noted in the AUTHORS file
This file is part of libzmq, the ZeroMQ core engine in C++.
libzmq is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License (LGPL) as published
by the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
As a special exception, the Contributors give you permission to link
this library with independent modules to produce an executable,
regardless of the license terms of these independent modules, and to
copy and distribute the resulting executable under terms of your choice,
provided that you also meet, for each linked independent module, the
terms and conditions of the license of that module. An independent
module is a module which is not derived from or based on this library.
If you modify this library, you must extend this exception to your
version of the library.
libzmq is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "testutil.hpp"
#include "testutil_unity.hpp"
SETUP_TEARDOWN_TESTCONTEXT
void test_with_handover ()
{
char my_endpoint[MAX_SOCKET_STRING];
void *router = test_context_socket (ZMQ_ROUTER);
bind_loopback_ipv4 (router, my_endpoint, sizeof my_endpoint);
// Enable the handover flag
int handover = 1;
TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (router, ZMQ_ROUTER_HANDOVER,
&handover, sizeof (handover)));
// Create dealer called "X" and connect it to our router
void *dealer_one = test_context_socket (ZMQ_DEALER);
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (dealer_one, ZMQ_ROUTING_ID, "X", 1));
TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (dealer_one, my_endpoint));
// Get message from dealer to know when connection is ready
char buffer[255];
send_string_expect_success (dealer_one, "Hello", 0);
recv_string_expect_success (router, "X", 0);
recv_string_expect_success (router, "Hello", 0);
// Now create a second dealer that uses the same routing id
void *dealer_two = test_context_socket (ZMQ_DEALER);
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (dealer_two, ZMQ_ROUTING_ID, "X", 1));
TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (dealer_two, my_endpoint));
// Get message from dealer to know when connection is ready
send_string_expect_success (dealer_two, "Hello", 0);
recv_string_expect_success (router, "X", 0);
recv_string_expect_success (router, "Hello", 0);
// Send a message to 'X' routing id. This should be delivered
// to the second dealer, instead of the first because of the handover.
send_string_expect_success (router, "X", ZMQ_SNDMORE);
send_string_expect_success (router, "Hello", 0);
// Ensure that the first dealer doesn't receive the message
// but the second one does
const int timeout = SETTLE_TIME;
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (dealer_one, ZMQ_RCVTIMEO, &timeout, sizeof timeout));
TEST_ASSERT_FAILURE_ERRNO (EAGAIN, zmq_recv (dealer_one, buffer, 255, 0));
recv_string_expect_success (dealer_two, "Hello", 0);
test_context_socket_close (router);
test_context_socket_close (dealer_one);
test_context_socket_close (dealer_two);
}
void test_without_handover ()
{
size_t len = MAX_SOCKET_STRING;
char my_endpoint[MAX_SOCKET_STRING];
void *router = test_context_socket (ZMQ_ROUTER);
TEST_ASSERT_SUCCESS_ERRNO (zmq_bind (router, "tcp://127.0.0.1:*"));
TEST_ASSERT_SUCCESS_ERRNO (
zmq_getsockopt (router, ZMQ_LAST_ENDPOINT, my_endpoint, &len));
// Create dealer called "X" and connect it to our router
void *dealer_one = test_context_socket (ZMQ_DEALER);
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (dealer_one, ZMQ_ROUTING_ID, "X", 1));
TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (dealer_one, my_endpoint));
// Get message from dealer to know when connection is ready
char buffer[255];
send_string_expect_success (dealer_one, "Hello", 0);
recv_string_expect_success (router, "X", 0);
recv_string_expect_success (router, "Hello", 0);
// Now create a second dealer that uses the same routing id
void *dealer_two = test_context_socket (ZMQ_DEALER);
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (dealer_two, ZMQ_ROUTING_ID, "X", 1));
TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (dealer_two, my_endpoint));
// Send message from second dealer
send_string_expect_success (dealer_two, "Hello", 0);
// This should be ignored by the router
const int timeout = SETTLE_TIME;
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (router, ZMQ_RCVTIMEO, &timeout, sizeof timeout));
TEST_ASSERT_FAILURE_ERRNO (EAGAIN, zmq_recv (router, buffer, 255, 0));
// Send a message to 'X' routing id. This should be delivered
// to the second dealer, instead of the first because of the handover.
send_string_expect_success (router, "X", ZMQ_SNDMORE);
send_string_expect_success (router, "Hello", 0);
// Ensure that the second dealer doesn't receive the message
// but the first one does
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (dealer_two, ZMQ_RCVTIMEO, &timeout, sizeof timeout));
TEST_ASSERT_FAILURE_ERRNO (EAGAIN, zmq_recv (dealer_two, buffer, 255, 0));
recv_string_expect_success (dealer_one, "Hello", 0);
test_context_socket_close (router);
test_context_socket_close (dealer_one);
test_context_socket_close (dealer_two);
}
int main ()
{
setup_test_environment ();
UNITY_BEGIN ();
RUN_TEST (test_with_handover);
RUN_TEST (test_without_handover);
return UNITY_END ();
}