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libzmq/tests/test_req_correlate.cpp
Luca Boccassi da31917f4f Relicense from LGPL3 + exceptions to Mozilla Public License version 2.0
Relicense permission collected from all relevant authors as tallied at:
https://github.com/rlenferink/libzmq-relicense/blob/master/checklist.md
The relicense grants are collected under RELICENSE/ and will be moved
to the above repository in a later commit.

Fixes https://github.com/zeromq/libzmq/issues/2376
2023-06-05 20:31:47 +01:00

94 lines
2.9 KiB
C++

/* SPDX-License-Identifier: MPL-2.0 */
#include "testutil.hpp"
#include "testutil_unity.hpp"
SETUP_TEARDOWN_TESTCONTEXT
void test_req_correlate ()
{
void *req = test_context_socket (ZMQ_REQ);
void *router = test_context_socket (ZMQ_ROUTER);
int enabled = 1;
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (req, ZMQ_REQ_CORRELATE, &enabled, sizeof (int)));
char my_endpoint[MAX_SOCKET_STRING];
bind_loopback_ipv4 (router, my_endpoint, sizeof my_endpoint);
TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (req, my_endpoint));
// Send a multi-part request.
s_send_seq (req, "ABC", "DEF", SEQ_END);
zmq_msg_t msg;
zmq_msg_init (&msg);
// Receive peer routing id
TEST_ASSERT_SUCCESS_ERRNO (zmq_msg_recv (&msg, router, 0));
TEST_ASSERT_GREATER_THAN_INT (0, zmq_msg_size (&msg));
zmq_msg_t peer_id_msg;
zmq_msg_init (&peer_id_msg);
zmq_msg_copy (&peer_id_msg, &msg);
int more = 0;
size_t more_size = sizeof (more);
TEST_ASSERT_SUCCESS_ERRNO (
zmq_getsockopt (router, ZMQ_RCVMORE, &more, &more_size));
TEST_ASSERT_TRUE (more);
// Receive request id 1
TEST_ASSERT_SUCCESS_ERRNO (zmq_msg_recv (&msg, router, 0));
TEST_ASSERT_EQUAL_UINT (sizeof (uint32_t), zmq_msg_size (&msg));
const uint32_t req_id = *static_cast<uint32_t *> (zmq_msg_data (&msg));
zmq_msg_t req_id_msg;
zmq_msg_init (&req_id_msg);
zmq_msg_copy (&req_id_msg, &msg);
more = 0;
more_size = sizeof (more);
TEST_ASSERT_SUCCESS_ERRNO (
zmq_getsockopt (router, ZMQ_RCVMORE, &more, &more_size));
TEST_ASSERT_TRUE (more);
// Receive the rest.
s_recv_seq (router, 0, "ABC", "DEF", SEQ_END);
uint32_t bad_req_id = req_id + 1;
// Send back a bad reply: wrong req id, 0, data
zmq_msg_copy (&msg, &peer_id_msg);
TEST_ASSERT_SUCCESS_ERRNO (zmq_msg_send (&msg, router, ZMQ_SNDMORE));
zmq_msg_init_data (&msg, &bad_req_id, sizeof (uint32_t), NULL, NULL);
TEST_ASSERT_SUCCESS_ERRNO (zmq_msg_send (&msg, router, ZMQ_SNDMORE));
s_send_seq (router, 0, "DATA", SEQ_END);
// Send back a good reply: good req id, 0, data
zmq_msg_copy (&msg, &peer_id_msg);
TEST_ASSERT_SUCCESS_ERRNO (zmq_msg_send (&msg, router, ZMQ_SNDMORE));
zmq_msg_copy (&msg, &req_id_msg);
TEST_ASSERT_SUCCESS_ERRNO (zmq_msg_send (&msg, router, ZMQ_SNDMORE));
s_send_seq (router, 0, "GHI", SEQ_END);
// Receive reply. If bad reply got through, we wouldn't see
// this particular data.
s_recv_seq (req, "GHI", SEQ_END);
TEST_ASSERT_SUCCESS_ERRNO (zmq_msg_close (&msg));
TEST_ASSERT_SUCCESS_ERRNO (zmq_msg_close (&peer_id_msg));
TEST_ASSERT_SUCCESS_ERRNO (zmq_msg_close (&req_id_msg));
test_context_socket_close_zero_linger (req);
test_context_socket_close_zero_linger (router);
}
int main ()
{
setup_test_environment ();
UNITY_BEGIN ();
RUN_TEST (test_req_correlate);
return UNITY_END ();
}