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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/async_server_runner.h"
#include "mir_test_framework/command_line_server_configuration.h"
#include "mir/fd.h"
#include <mir/logging/dumb_console_logger.h>
#include <mir/logging/file_logger.h>
#include <mir/logging/multi_logger.h>
#include "mir/main_loop.h"
#include "mir/options/option.h"
#include <mir/report_exception.h>
#include <mir/thread_name.h>
#include "mir/test/doubles/null_logger.h"
#include <boost/throw_exception.hpp>
#include <gtest/gtest.h>
namespace ml = mir::logging;
namespace mo = mir::options;
namespace msh = mir::shell;
namespace mtd = mir::test::doubles;
namespace mtf = mir_test_framework;
namespace mt = mir::test;
namespace
{
std::chrono::seconds const timeout{20};
std::string const get_log_filename(const ::testing::TestInfo* test_info)
{
std::ostringstream filename;
filename << "/tmp/" << test_info->test_case_name() << "_" << test_info->name() << "_server.log";
return filename.str();
}
}
mtf::AsyncServerRunner::AsyncServerRunner()
: output_filename{get_log_filename(::testing::UnitTest::GetInstance()->current_test_info())}
{
unsetenv("WAYLAND_DISPLAY"); // We don't want to conflict with any existing Wayland server
configure_from_commandline(server);
server.add_configuration_option(mtd::logging_opt, mtd::logging_descr, false);
server.override_the_logger([&]() -> std::shared_ptr<ml::Logger>
{
std::ofstream out{output_filename};
if (out.good())
{
std::cerr << "Saving server logs to: " << output_filename << std::endl;
if (server.get_options()->get<bool>(mtd::logging_opt))
{
return std::make_shared<ml::MultiLogger>(
std::initializer_list<std::shared_ptr<ml::Logger>>{
std::make_shared<ml::DumbConsoleLogger>(),
std::make_shared<ml::FileLogger>(std::move(out))
}
);
}
else
{
return std::make_shared<ml::FileLogger>(std::move(out));
}
}
else
{
std::cerr << "Failed to open log file: " << output_filename << std::endl;
if (!server.get_options()->get<bool>(mtd::logging_opt))
{
return std::make_shared<mtd::NullLogger>();
}
}
// If we return null then the default will be used
return {};
});
}
void mtf::AsyncServerRunner::add_to_environment(char const* key, char const* value)
{
env.emplace_back(key, value);
}
void mtf::AsyncServerRunner::start_server()
{
mt::AutoJoinThread t([this]
{
try
{
mir::set_thread_name("mtf/AsyncServer");
server.add_init_callback([this]
{
auto const main_loop = server.the_main_loop();
// 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().
main_loop->enqueue(
this,
[this]
{
{
std::lock_guard lock(mutex);
server_running = true;
}
started.notify_one();
});
});
server.apply_settings();
server.run();
}
catch (std::exception const& e)
{
std::ostringstream error;
mir::report_exception(error);
FAIL() << error.str();
}
{
std::lock_guard lock(mutex);
server_running = false;
}
started.notify_one();
});
std::unique_lock lock(mutex);
started.wait_for(lock, timeout, [this] { return server_running; });
if (!server_running)
{
BOOST_THROW_EXCEPTION(std::runtime_error{"Failed to start server thread"});
}
server_thread = std::move(t);
}
void mtf::AsyncServerRunner::stop_server()
{
server.stop();
wait_for_server_exit();
}
void mtf::AsyncServerRunner::wait_for_server_exit()
{
std::unique_lock lock(mutex);
started.wait_for(lock, timeout, [&] { return !server_running; });
if (server_running)
{
BOOST_THROW_EXCEPTION(std::logic_error{"stop_server() failed to stop server"});
}
server_thread.stop();
}
mtf::AsyncServerRunner::~AsyncServerRunner() noexcept
{
}
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