SleepWakeNotifier.h

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/* -*- c++ -*-
 * Copyright (C) 2007-2015 Hypertable, Inc.
 *
 * This file is part of Hypertable.
 *
 * Hypertable is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 3
 * of the License, or any later version.
 *
 * Hypertable 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, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301, USA.
 */



#ifndef Hypertable_Common_SleepWakeNotifier_h
#define Hypertable_Common_SleepWakeNotifier_h

#include "Common/String.h"

#include <functional>
#include <thread>

#if defined(__APPLE__)
#include <IOKit/pwr_mgt/IOPMLib.h>
#endif


namespace Hypertable {


  class SleepWakeNotifier {

  public:
    
    SleepWakeNotifier(std::function<void()> sleep_callback,
                      std::function<void()> wakeup_callback);

    ~SleepWakeNotifier();

    void handle_sleep();

    void handle_wakeup();

#if defined(__APPLE__)
    io_connect_t get_root_port() { return m_root_port; }
#endif

  private:

    void thread_func();

    std::thread m_thread {};

    std::function<void()> m_callback_sleep {};

    std::function<void()> m_callback_wakeup {};

#if defined(__APPLE__)
    io_connect_t  m_root_port; 

    IONotificationPortRef m_notify_port_ref;
 
    io_object_t m_notifier_object;

    CFRunLoopRef m_run_loop;
#endif

  };


} // namespace Hypertable

#endif // Hypertable_Common_SleepWakeNotifier_h