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/*
* Copyright © Canonical Ltd.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 or 3,
* as published by the Free Software Foundation.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "mir_test_framework/server_runner.h"
#include "mir/default_server_configuration.h"
#include "mir/display_server.h"
#include "mir/frontend/connector.h"
#include <mir/report_exception.h>
#include "mir/run_mir.h"
#include "mir/main_loop.h"
#include "mir/log.h"
#include <boost/throw_exception.hpp>
#include <condition_variable>
#include <mutex>
namespace mtf = mir_test_framework;
mtf::ServerRunner::ServerRunner()
{
unsetenv("WAYLAND_DISPLAY"); // We don't want to conflict with any existing server
}
void mtf::ServerRunner::start_server()
{
auto ml = start_mir_server();
if (ml == nullptr)
{
BOOST_THROW_EXCEPTION(std::runtime_error{"Failed to start server thread"});
}
std::lock_guard main_loop_lock{main_loop_mutex};
std::swap(ml, main_loop);
}
void mtf::ServerRunner::stop_server()
{
{
decltype(main_loop) ml;
{
std::lock_guard main_loop_lock{main_loop_mutex};
std::swap(ml, main_loop);
}
if (ml == nullptr)
{
BOOST_THROW_EXCEPTION(std::logic_error{"stop_server() called without calling start_server()?"});
}
ml->stop();
}
if (server_thread.joinable()) server_thread.join();
}
mtf::ServerRunner::~ServerRunner()
{
if (server_thread.joinable()) server_thread.join();
}
std::shared_ptr<mir::MainLoop> mtf::ServerRunner::start_mir_server()
{
std::mutex mutex;
std::condition_variable started_cv;
bool started{false};
auto const ml = server_config().the_main_loop();
mir::logging::set_logger(server_config().the_logger());
server_thread = std::thread([&]
{
try
{
auto const default_reports = server_config().default_reports();
mir::run_mir(server_config(), [&](mir::DisplayServer&)
{
// By enqueuing the notification code in the main loop, we are
// ensuring that the server has really and fully started before
// leaving start_mir_server().
ml->enqueue(
this,
[&]
{
{
std::lock_guard lock(mutex);
started = true;
}
started_cv.notify_one();
});
});
}
catch (std::exception const& e)
{
std::ostringstream error;
mir::report_exception(error);
FAIL() << error.str();
}
});
std::unique_lock lock(mutex);
started_cv.wait_for(lock, std::chrono::seconds{30}, [&]{ return started; });
return ml;
}
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