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/*
* Copyright © 2013 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 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/>.
*
* Authored by: Alexandros Frantzis <alexandros.frantzis@canonical.com>
*/
#ifndef MIR_ASIO_MAIN_LOOP_H_
#define MIR_ASIO_MAIN_LOOP_H_
#include "mir/main_loop.h"
#include <boost/asio.hpp>
#include <memory>
#include <vector>
#include <mutex>
#include <utility>
#include <deque>
#include <set>
namespace mir
{
class AsioMainLoop : public MainLoop
{
public:
AsioMainLoop();
~AsioMainLoop() noexcept(true);
void run();
void stop();
void register_signal_handler(
std::initializer_list<int> signals,
std::function<void(int)> const& handler);
void register_fd_handler(
std::initializer_list<int> fd,
std::function<void(int)> const& handler);
std::unique_ptr<time::Alarm> notify_in(std::chrono::milliseconds delay,
std::function<void()> callback) override;
std::unique_ptr<time::Alarm> notify_at(mir::time::Timestamp time_point,
std::function<void()> callback) override;
void enqueue(void const* owner, ServerAction const& action);
void pause_processing_for(void const* owner);
void resume_processing_for(void const* owner);
private:
class SignalHandler;
class FDHandler;
bool should_process(void const*);
void process_server_actions();
boost::asio::io_service io;
boost::asio::io_service::work work;
std::vector<std::unique_ptr<SignalHandler>> signal_handlers;
std::vector<std::unique_ptr<FDHandler>> fd_handlers;
std::mutex server_actions_mutex;
std::deque<std::pair<void const*,ServerAction>> server_actions;
std::set<void const*> do_not_process;
};
}
#endif /* MIR_ASIO_MAIN_LOOP_H */
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