libzmq/tests/test_diffserv.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

46 lines
1.3 KiB
C++

/* SPDX-License-Identifier: MPL-2.0 */
#include "testutil.hpp"
#include "testutil_unity.hpp"
SETUP_TEARDOWN_TESTCONTEXT
void test_diffserv ()
{
int tos = 0x28;
int o_tos;
size_t tos_size = sizeof (tos);
char my_endpoint[MAX_SOCKET_STRING];
void *sb = test_context_socket (ZMQ_PAIR);
TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (sb, ZMQ_TOS, &tos, tos_size));
bind_loopback_ipv4 (sb, my_endpoint, sizeof (my_endpoint));
TEST_ASSERT_SUCCESS_ERRNO (zmq_getsockopt (sb, ZMQ_TOS, &o_tos, &tos_size));
TEST_ASSERT_EQUAL (tos, o_tos);
void *sc = test_context_socket (ZMQ_PAIR);
tos = 0x58;
TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (sc, ZMQ_TOS, &tos, tos_size));
TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (sc, my_endpoint));
TEST_ASSERT_SUCCESS_ERRNO (zmq_getsockopt (sc, ZMQ_TOS, &o_tos, &tos_size));
TEST_ASSERT_EQUAL (tos, o_tos);
// Wireshark can be used to verify that the server socket is
// using DSCP 0x28 in packets to the client while the client
// is using 0x58 in packets to the server.
bounce (sb, sc);
test_context_socket_close (sc);
test_context_socket_close (sb);
}
int main ()
{
setup_test_environment ();
UNITY_BEGIN ();
RUN_TEST (test_diffserv);
return UNITY_END ();
}