79 lines
2.1 KiB
C++
79 lines
2.1 KiB
C++
/*
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* Copyright 2003-2021 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_INOTIFY_UPDATE_HXX
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#define MPD_INOTIFY_UPDATE_HXX
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#include "InotifySource.hxx"
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#include "InotifyQueue.hxx"
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#include <map>
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#include <memory>
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class Path;
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class Storage;
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struct WatchDirectory;
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/**
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* Glue code between InotifySource and InotifyQueue.
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*/
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class InotifyUpdate {
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InotifySource source;
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InotifyQueue queue;
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const unsigned max_depth;
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std::unique_ptr<WatchDirectory> root;
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std::map<int, WatchDirectory *> directories;
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public:
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InotifyUpdate(EventLoop &loop, UpdateService &update,
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unsigned _max_depth);
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~InotifyUpdate() noexcept;
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void Start(Path path);
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private:
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void InotifyCallback(int wd, unsigned mask, const char *name) noexcept;
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static void InotifyCallback(int wd, unsigned mask,
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const char *name, void *ctx) noexcept {
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auto &iu = *(InotifyUpdate *)ctx;
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iu.InotifyCallback(wd, mask, name);
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}
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void AddToMap(WatchDirectory &directory) noexcept;
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void RemoveFromMap(WatchDirectory &directory) noexcept;
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void Disable(WatchDirectory &directory) noexcept;
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void Delete(WatchDirectory &directory) noexcept;
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void RecursiveWatchSubdirectories(WatchDirectory &parent,
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Path path_fs,
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unsigned depth) noexcept;
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};
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/**
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* Throws on error.
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*/
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std::unique_ptr<InotifyUpdate>
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mpd_inotify_init(EventLoop &loop, Storage &storage, UpdateService &update,
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unsigned max_depth);
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#endif
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