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Initial ZMQ bindings.
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Sandu Liviu Catalin
280
vendor/ZMQ/unittests/unittest_poller.cpp
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280
vendor/ZMQ/unittests/unittest_poller.cpp
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/*
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Copyright (c) 2018 Contributors as noted in the AUTHORS file
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This file is part of 0MQ.
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0MQ is free software; you can redistribute it and/or modify it under
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the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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0MQ is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "../tests/testutil.hpp"
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#include <poller.hpp>
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#include <i_poll_events.hpp>
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#include <ip.hpp>
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#include <unity.h>
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#ifndef _WIN32
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#include <unistd.h>
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#define closesocket close
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#endif
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void setUp ()
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{
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}
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void tearDown ()
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{
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}
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void test_create ()
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{
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zmq::thread_ctx_t thread_ctx;
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zmq::poller_t poller (thread_ctx);
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}
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#if 0
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// TODO this triggers an assertion. should it be a valid use case?
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void test_start_empty ()
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{
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zmq::thread_ctx_t thread_ctx;
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zmq::poller_t poller (thread_ctx);
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poller.start ();
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msleep (SETTLE_TIME);
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}
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#endif
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struct test_events_t : zmq::i_poll_events
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{
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test_events_t (zmq::fd_t fd_, zmq::poller_t &poller_) :
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_fd (fd_),
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_poller (poller_)
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{
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(void) _fd;
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}
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void in_event () ZMQ_OVERRIDE
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{
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_poller.rm_fd (_handle);
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_handle = (zmq::poller_t::handle_t) NULL;
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// this must only be incremented after rm_fd
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in_events.add (1);
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}
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void out_event () ZMQ_OVERRIDE
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{
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// TODO
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}
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void timer_event (int id_) ZMQ_OVERRIDE
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{
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LIBZMQ_UNUSED (id_);
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_poller.rm_fd (_handle);
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_handle = (zmq::poller_t::handle_t) NULL;
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// this must only be incremented after rm_fd
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timer_events.add (1);
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}
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void set_handle (zmq::poller_t::handle_t handle_) { _handle = handle_; }
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zmq::atomic_counter_t in_events, timer_events;
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private:
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zmq::fd_t _fd;
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zmq::poller_t &_poller;
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zmq::poller_t::handle_t _handle;
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};
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void wait_in_events (test_events_t &events_)
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{
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void *watch = zmq_stopwatch_start ();
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while (events_.in_events.get () < 1) {
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msleep (1);
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#ifdef ZMQ_BUILD_DRAFT
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TEST_ASSERT_LESS_OR_EQUAL_MESSAGE (SETTLE_TIME,
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zmq_stopwatch_intermediate (watch),
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"Timeout waiting for in event");
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#endif
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}
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zmq_stopwatch_stop (watch);
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}
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void wait_timer_events (test_events_t &events_)
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{
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void *watch = zmq_stopwatch_start ();
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while (events_.timer_events.get () < 1) {
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msleep (1);
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#ifdef ZMQ_BUILD_DRAFT
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TEST_ASSERT_LESS_OR_EQUAL_MESSAGE (SETTLE_TIME,
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zmq_stopwatch_intermediate (watch),
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"Timeout waiting for timer event");
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#endif
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}
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zmq_stopwatch_stop (watch);
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}
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void create_nonblocking_fdpair (zmq::fd_t *r_, zmq::fd_t *w_)
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{
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int rc = zmq::make_fdpair (r_, w_);
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TEST_ASSERT_EQUAL_INT (0, rc);
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TEST_ASSERT_NOT_EQUAL (zmq::retired_fd, *r_);
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TEST_ASSERT_NOT_EQUAL (zmq::retired_fd, *w_);
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zmq::unblock_socket (*r_);
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zmq::unblock_socket (*w_);
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}
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void send_signal (zmq::fd_t w_)
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{
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#if defined ZMQ_HAVE_EVENTFD
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const uint64_t inc = 1;
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ssize_t sz = write (w_, &inc, sizeof (inc));
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assert (sz == sizeof (inc));
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#else
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{
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char msg[] = "test";
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int rc = send (w_, msg, sizeof (msg), 0);
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assert (rc == sizeof (msg));
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}
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#endif
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}
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void close_fdpair (zmq::fd_t w_, zmq::fd_t r_)
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{
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int rc = closesocket (w_);
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TEST_ASSERT_EQUAL_INT (0, rc);
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#if !defined ZMQ_HAVE_EVENTFD
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rc = closesocket (r_);
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TEST_ASSERT_EQUAL_INT (0, rc);
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#else
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LIBZMQ_UNUSED (r_);
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#endif
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}
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void test_add_fd_and_start_and_receive_data ()
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{
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zmq::thread_ctx_t thread_ctx;
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zmq::poller_t poller (thread_ctx);
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zmq::fd_t r, w;
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create_nonblocking_fdpair (&r, &w);
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test_events_t events (r, poller);
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zmq::poller_t::handle_t handle = poller.add_fd (r, &events);
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events.set_handle (handle);
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poller.set_pollin (handle);
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poller.start ();
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send_signal (w);
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wait_in_events (events);
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// required cleanup
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close_fdpair (w, r);
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}
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void test_add_fd_and_remove_by_timer ()
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{
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zmq::fd_t r, w;
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create_nonblocking_fdpair (&r, &w);
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zmq::thread_ctx_t thread_ctx;
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zmq::poller_t poller (thread_ctx);
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test_events_t events (r, poller);
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zmq::poller_t::handle_t handle = poller.add_fd (r, &events);
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events.set_handle (handle);
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poller.add_timer (50, &events, 0);
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poller.start ();
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wait_timer_events (events);
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// required cleanup
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close_fdpair (w, r);
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}
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#ifdef _WIN32
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void test_add_fd_with_pending_failing_connect ()
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{
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zmq::thread_ctx_t thread_ctx;
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zmq::poller_t poller (thread_ctx);
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zmq::fd_t bind_socket = socket (AF_INET, SOCK_STREAM, 0);
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sockaddr_in addr = {0};
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addr.sin_family = AF_INET;
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addr.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
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addr.sin_port = 0;
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TEST_ASSERT_EQUAL_INT (0, bind (bind_socket,
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reinterpret_cast<const sockaddr *> (&addr),
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sizeof (addr)));
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int addr_len = static_cast<int> (sizeof (addr));
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TEST_ASSERT_EQUAL_INT (0, getsockname (bind_socket,
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reinterpret_cast<sockaddr *> (&addr),
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&addr_len));
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zmq::fd_t connect_socket = socket (AF_INET, SOCK_STREAM, 0);
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zmq::unblock_socket (connect_socket);
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TEST_ASSERT_EQUAL_INT (
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-1, connect (connect_socket, reinterpret_cast<const sockaddr *> (&addr),
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sizeof (addr)));
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TEST_ASSERT_EQUAL_INT (WSAEWOULDBLOCK, WSAGetLastError ());
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test_events_t events (connect_socket, poller);
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zmq::poller_t::handle_t handle = poller.add_fd (connect_socket, &events);
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events.set_handle (handle);
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poller.set_pollin (handle);
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poller.start ();
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wait_in_events (events);
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int value;
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int value_len = sizeof (value);
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TEST_ASSERT_EQUAL_INT (0, getsockopt (connect_socket, SOL_SOCKET, SO_ERROR,
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reinterpret_cast<char *> (&value),
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&value_len));
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TEST_ASSERT_EQUAL_INT (WSAECONNREFUSED, value);
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// required cleanup
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close (connect_socket);
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close (bind_socket);
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}
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#endif
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int main (void)
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{
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UNITY_BEGIN ();
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zmq::initialize_network ();
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setup_test_environment ();
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RUN_TEST (test_create);
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RUN_TEST (test_add_fd_and_start_and_receive_data);
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RUN_TEST (test_add_fd_and_remove_by_timer);
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#if defined _WIN32
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RUN_TEST (test_add_fd_with_pending_failing_connect);
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#endif
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zmq::shutdown_network ();
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return UNITY_END ();
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}
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