111 lines
3.0 KiB
C++
111 lines
3.0 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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#include "Walk.hxx"
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#include "UpdateIO.hxx"
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#include "UpdateDomain.hxx"
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#include "lib/fmt/ExceptionFormatter.hxx"
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#include "db/DatabaseLock.hxx"
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#include "db/plugins/simple/Directory.hxx"
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#include "db/plugins/simple/Song.hxx"
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#include "decoder/DecoderList.hxx"
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#include "storage/FileInfo.hxx"
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#include "Log.hxx"
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#include <unistd.h>
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inline void
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UpdateWalk::UpdateSongFile2(Directory &directory,
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const char *name, std::string_view suffix,
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const StorageFileInfo &info) noexcept
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try {
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Song *song;
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{
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const ScopeDatabaseLock protect;
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song = directory.FindSong(name);
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}
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if (!directory_child_access(storage, directory, name, R_OK)) {
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FmtError(update_domain,
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"no read permissions on {}/{}",
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directory.GetPath(), name);
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if (song != nullptr)
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editor.LockDeleteSong(directory, song);
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return;
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}
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if (!(song != nullptr && info.mtime == song->mtime && !walk_discard) &&
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UpdateContainerFile(directory, name, suffix, info)) {
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if (song != nullptr)
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editor.LockDeleteSong(directory, song);
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return;
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}
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if (song == nullptr) {
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FmtDebug(update_domain, "reading {}/{}",
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directory.GetPath(), name);
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auto new_song = Song::LoadFile(storage, name, directory);
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if (!new_song) {
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FmtDebug(update_domain,
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"ignoring unrecognized file {}/{}",
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directory.GetPath(), name);
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return;
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}
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{
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const ScopeDatabaseLock protect;
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directory.AddSong(std::move(new_song));
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}
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modified = true;
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FmtNotice(update_domain, "added {}/{}",
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directory.GetPath(), name);
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} else if (info.mtime != song->mtime || walk_discard) {
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FmtNotice(update_domain, "updating {}/{}",
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directory.GetPath(), name);
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if (!song->UpdateFile(storage)) {
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FmtDebug(update_domain,
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"deleting unrecognized file {}/{}",
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directory.GetPath(), name);
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editor.LockDeleteSong(directory, song);
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}
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modified = true;
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}
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} catch (...) {
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FmtError(update_domain,
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"error reading file {}/{}: {}",
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directory.GetPath(), name, std::current_exception());
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}
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bool
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UpdateWalk::UpdateSongFile(Directory &directory,
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const char *name, std::string_view suffix,
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const StorageFileInfo &info) noexcept
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{
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if (!decoder_plugins_supports_suffix(suffix))
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return false;
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UpdateSongFile2(directory, name, suffix, info);
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return true;
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}
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