libzmq/unittests/unittest_poller.cpp
Luca Boccassi 4a0b6c6c6f Problem: compiler warning in unittest_poller
Solution: cast the unused variable
2018-11-09 20:51:20 +00:00

278 lines
6.7 KiB
C++

/*
Copyright (c) 2018 Contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ 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 "../tests/testutil.hpp"
#include <poller.hpp>
#include <i_poll_events.hpp>
#include <ip.hpp>
#include <unity.h>
#ifndef _WIN32
#define closesocket close
#endif
void setUp ()
{
}
void tearDown ()
{
}
void test_create ()
{
zmq::thread_ctx_t thread_ctx;
zmq::poller_t poller (thread_ctx);
}
#if 0
// TODO this triggers an assertion. should it be a valid use case?
void test_start_empty ()
{
zmq::thread_ctx_t thread_ctx;
zmq::poller_t poller (thread_ctx);
poller.start ();
msleep (SETTLE_TIME);
}
#endif
struct test_events_t : zmq::i_poll_events
{
test_events_t (zmq::fd_t fd_, zmq::poller_t &poller_) :
fd (fd_),
poller (poller_)
{
(void)fd;
}
virtual void in_event ()
{
poller.rm_fd (handle);
handle = (zmq::poller_t::handle_t) NULL;
// this must only be incremented after rm_fd
in_events.add (1);
}
virtual void out_event ()
{
// TODO
}
virtual void timer_event (int id_)
{
LIBZMQ_UNUSED (id_);
poller.rm_fd (handle);
handle = (zmq::poller_t::handle_t) NULL;
// this must only be incremented after rm_fd
timer_events.add (1);
}
void set_handle (zmq::poller_t::handle_t handle_) { handle = handle_; }
zmq::atomic_counter_t in_events, timer_events;
private:
zmq::fd_t fd;
zmq::poller_t &poller;
zmq::poller_t::handle_t handle;
};
void wait_in_events (test_events_t &events)
{
void *watch = zmq_stopwatch_start ();
while (events.in_events.get () < 1) {
#ifdef ZMQ_BUILD_DRAFT
TEST_ASSERT_LESS_OR_EQUAL_MESSAGE (SETTLE_TIME,
zmq_stopwatch_intermediate (watch),
"Timeout waiting for in event");
#endif
}
zmq_stopwatch_stop (watch);
}
void wait_timer_events (test_events_t &events)
{
void *watch = zmq_stopwatch_start ();
while (events.timer_events.get () < 1) {
#ifdef ZMQ_BUILD_DRAFT
TEST_ASSERT_LESS_OR_EQUAL_MESSAGE (SETTLE_TIME,
zmq_stopwatch_intermediate (watch),
"Timeout waiting for timer event");
#endif
}
zmq_stopwatch_stop (watch);
}
void create_nonblocking_fdpair (zmq::fd_t *r, zmq::fd_t *w)
{
int rc = zmq::make_fdpair (r, w);
TEST_ASSERT_EQUAL_INT (0, rc);
TEST_ASSERT_NOT_EQUAL (zmq::retired_fd, *r);
TEST_ASSERT_NOT_EQUAL (zmq::retired_fd, *w);
zmq::unblock_socket (*r);
zmq::unblock_socket (*w);
}
void send_signal (zmq::fd_t w)
{
#if defined ZMQ_HAVE_EVENTFD
const uint64_t inc = 1;
ssize_t sz = write (w, &inc, sizeof (inc));
assert (sz == sizeof (inc));
#else
{
char msg[] = "test";
int rc = send (w, msg, sizeof (msg), 0);
assert (rc == sizeof (msg));
}
#endif
}
void close_fdpair (zmq::fd_t w, zmq::fd_t r)
{
int rc = closesocket (w);
TEST_ASSERT_EQUAL_INT (0, rc);
#if !defined ZMQ_HAVE_EVENTFD
rc = closesocket (r);
TEST_ASSERT_EQUAL_INT (0, rc);
#else
LIBZMQ_UNUSED (r);
#endif
}
void test_add_fd_and_start_and_receive_data ()
{
zmq::thread_ctx_t thread_ctx;
zmq::poller_t poller (thread_ctx);
zmq::fd_t r, w;
create_nonblocking_fdpair (&r, &w);
test_events_t events (r, poller);
zmq::poller_t::handle_t handle = poller.add_fd (r, &events);
events.set_handle (handle);
poller.set_pollin (handle);
poller.start ();
send_signal (w);
wait_in_events (events);
// required cleanup
close_fdpair (w, r);
}
void test_add_fd_and_remove_by_timer ()
{
zmq::fd_t r, w;
create_nonblocking_fdpair (&r, &w);
zmq::thread_ctx_t thread_ctx;
zmq::poller_t poller (thread_ctx);
test_events_t events (r, poller);
zmq::poller_t::handle_t handle = poller.add_fd (r, &events);
events.set_handle (handle);
poller.add_timer (50, &events, 0);
poller.start ();
wait_timer_events (events);
// required cleanup
close_fdpair (w, r);
}
#ifdef _WIN32
void test_add_fd_with_pending_failing_connect ()
{
zmq::thread_ctx_t thread_ctx;
zmq::poller_t poller (thread_ctx);
zmq::fd_t bind_socket = socket (AF_INET, SOCK_STREAM, 0);
sockaddr_in addr = {0};
addr.sin_family = AF_INET;
addr.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
addr.sin_port = 0;
TEST_ASSERT_EQUAL_INT (0, bind (bind_socket,
reinterpret_cast<const sockaddr *> (&addr),
sizeof (addr)));
int addr_len = static_cast<int> (sizeof (addr));
TEST_ASSERT_EQUAL_INT (0, getsockname (bind_socket,
reinterpret_cast<sockaddr *> (&addr),
&addr_len));
zmq::fd_t connect_socket = socket (AF_INET, SOCK_STREAM, 0);
zmq::unblock_socket (connect_socket);
TEST_ASSERT_EQUAL_INT (
-1, connect (connect_socket, reinterpret_cast<const sockaddr *> (&addr),
sizeof (addr)));
TEST_ASSERT_EQUAL_INT (WSAEWOULDBLOCK, WSAGetLastError ());
test_events_t events (connect_socket, poller);
zmq::poller_t::handle_t handle = poller.add_fd (connect_socket, &events);
events.set_handle (handle);
poller.set_pollin (handle);
poller.start ();
wait_in_events (events);
int value;
int value_len = sizeof (value);
TEST_ASSERT_EQUAL_INT (0, getsockopt (connect_socket, SOL_SOCKET, SO_ERROR,
reinterpret_cast<char *> (&value),
&value_len));
TEST_ASSERT_EQUAL_INT (WSAECONNREFUSED, value);
// required cleanup
close (connect_socket);
close (bind_socket);
}
#endif
int main (void)
{
UNITY_BEGIN ();
zmq::initialize_network ();
setup_test_environment ();
RUN_TEST (test_create);
RUN_TEST (test_add_fd_and_start_and_receive_data);
RUN_TEST (test_add_fd_and_remove_by_timer);
#if defined _WIN32
RUN_TEST (test_add_fd_with_pending_failing_connect);
#endif
zmq::shutdown_network ();
return UNITY_END ();
}