57 lines
1.5 KiB
C++
57 lines
1.5 KiB
C++
/*
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* Copyright (C) 2003-2013 The Music Player Daemon Project
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef MPD_STATE_FILE_HXX
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#define MPD_STATE_FILE_HXX
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#include "event/TimeoutMonitor.hxx"
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#include "fs/Path.hxx"
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#include "gcc.h"
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#include <string>
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struct Partition;
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class StateFile final : private TimeoutMonitor {
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Path path;
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std::string path_utf8;
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Partition &partition;
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/**
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* These version numbers determine whether we need to save the state
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* file. If nothing has changed, we won't let the hard drive spin up.
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*/
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unsigned prev_volume_version, prev_output_version,
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prev_playlist_version;
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public:
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StateFile(Path &&path, const char *path_utf8,
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Partition &partition, EventLoop &loop);
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void Read();
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void Write();
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void AutoWrite();
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private:
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virtual bool OnTimeout() override;
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};
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#endif /* STATE_FILE_H */
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