117 lines
3.0 KiB
C++
117 lines
3.0 KiB
C++
/*
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* Copyright (C) 2003-2012 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 "config.h" /* must be first for large file support */
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#include "UpdateSong.hxx"
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#include "UpdateInternal.hxx"
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#include "UpdateIO.hxx"
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#include "UpdateDatabase.hxx"
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#include "UpdateContainer.hxx"
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#include "UpdateDomain.hxx"
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#include "DatabaseLock.hxx"
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#include "Directory.hxx"
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#include "Song.hxx"
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#include "DecoderPlugin.hxx"
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#include "DecoderList.hxx"
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#include "Log.hxx"
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#include <unistd.h>
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static void
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update_song_file2(Directory &directory,
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const char *name, const struct stat *st,
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const DecoderPlugin &plugin)
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{
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db_lock();
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Song *song = directory.FindSong(name);
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db_unlock();
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if (!directory_child_access(directory, name, R_OK)) {
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FormatError(update_domain,
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"no read permissions on %s/%s",
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directory.GetPath(), name);
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if (song != nullptr) {
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db_lock();
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delete_song(directory, song);
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db_unlock();
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}
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return;
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}
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if (!(song != nullptr && st->st_mtime == song->mtime &&
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!walk_discard) &&
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update_container_file(directory, name, st, plugin)) {
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if (song != nullptr) {
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db_lock();
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delete_song(directory, song);
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db_unlock();
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}
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return;
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}
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if (song == nullptr) {
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FormatDebug(update_domain, "reading %s/%s",
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directory.GetPath(), name);
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song = Song::LoadFile(name, &directory);
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if (song == nullptr) {
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FormatDebug(update_domain,
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"ignoring unrecognized file %s/%s",
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directory.GetPath(), name);
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return;
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}
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db_lock();
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directory.AddSong(song);
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db_unlock();
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modified = true;
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FormatInfo(update_domain, "added %s/%s",
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directory.GetPath(), name);
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} else if (st->st_mtime != song->mtime || walk_discard) {
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FormatInfo(update_domain, "updating %s/%s",
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directory.GetPath(), name);
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if (!song->UpdateFile()) {
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FormatDebug(update_domain,
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"deleting unrecognized file %s/%s",
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directory.GetPath(), name);
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db_lock();
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delete_song(directory, song);
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db_unlock();
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}
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modified = true;
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}
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}
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bool
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update_song_file(Directory &directory,
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const char *name, const char *suffix,
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const struct stat *st)
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{
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const struct DecoderPlugin *plugin =
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decoder_plugin_from_suffix(suffix, nullptr);
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if (plugin == nullptr)
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return false;
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update_song_file2(directory, name, st, *plugin);
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return true;
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}
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