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/*
* Copyright (C) 2003-2013 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* 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, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef MPD_STATE_FILE_HXX
#define MPD_STATE_FILE_HXX
#include "event/TimeoutMonitor.hxx"
#include "Path.hxx"
#include "gcc.h"
#include <string>
struct Partition;
class StateFile final : private TimeoutMonitor {
Path path;
Partition &partition;
/**
* These version numbers determine whether we need to save the state
* file. If nothing has changed, we won't let the hard drive spin up.
*/
unsigned prev_volume_version, prev_output_version,
prev_playlist_version;
public:
StateFile(Path &&path, Partition &partition, EventLoop &loop);
void Read();
void Write();
void AutoWrite();
private:
virtual bool OnTimeout() override;
};
#endif /* STATE_FILE_H */
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