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libzmq/tests/test_proxy_single_socket.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

77 lines
2.2 KiB
C++

/* SPDX-License-Identifier: MPL-2.0 */
#include "testutil.hpp"
#include "testutil_unity.hpp"
#include <stdlib.h>
void setUp ()
{
setup_test_context ();
}
// This is our server task.
// It runs a proxy with a single REP socket as both frontend and backend.
void server_task (void * /*unused_*/)
{
char my_endpoint[MAX_SOCKET_STRING];
void *rep = zmq_socket (get_test_context (), ZMQ_REP);
TEST_ASSERT_NOT_NULL (rep);
bind_loopback_ipv4 (rep, my_endpoint, sizeof my_endpoint);
// Control socket receives terminate command from main over inproc
void *control = zmq_socket (get_test_context (), ZMQ_REQ);
TEST_ASSERT_NOT_NULL (control);
TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (control, "inproc://control"));
send_string_expect_success (control, my_endpoint, 0);
// Use rep as both frontend and backend
zmq_proxy (rep, rep, NULL);
TEST_ASSERT_SUCCESS_ERRNO (zmq_close (rep));
TEST_ASSERT_SUCCESS_ERRNO (zmq_close (control));
}
// The main thread simply starts several clients and a server, and then
// waits for the server to finish.
void test_proxy_single_socket ()
{
void *server_thread = zmq_threadstart (&server_task, NULL);
// Control socket receives terminate command from main over inproc
void *control = test_context_socket (ZMQ_REP);
TEST_ASSERT_NOT_NULL (control);
TEST_ASSERT_SUCCESS_ERRNO (zmq_bind (control, "inproc://control"));
char *my_endpoint = s_recv (control);
TEST_ASSERT_NOT_NULL (my_endpoint);
// client socket pings proxy over tcp
void *req = test_context_socket (ZMQ_REQ);
TEST_ASSERT_NOT_NULL (req);
TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (req, my_endpoint));
send_string_expect_success (req, "msg1", 0);
recv_string_expect_success (req, "msg1", 0);
send_string_expect_success (req, "msg22", 0);
recv_string_expect_success (req, "msg22", 0);
test_context_socket_close (control);
test_context_socket_close (req);
teardown_test_context ();
free (my_endpoint);
zmq_threadclose (server_thread);
}
int main (void)
{
setup_test_environment ();
UNITY_BEGIN ();
RUN_TEST (test_proxy_single_socket);
return UNITY_END ();
}