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/*
* Copyright (C) 2003-2014 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.
*/
#include "config.h" /* must be first for large file support */
#include "UpdateSong.hxx"
#include "UpdateInternal.hxx"
#include "UpdateIO.hxx"
#include "UpdateDatabase.hxx"
#include "UpdateContainer.hxx"
#include "UpdateDomain.hxx"
#include "DatabaseLock.hxx"
#include "Directory.hxx"
#include "Song.hxx"
#include "DecoderList.hxx"
#include "Log.hxx"
#include <unistd.h>
static void
update_song_file2(Directory &directory,
const char *name, const struct stat *st,
const char *suffix)
{
db_lock();
Song *song = directory.FindSong(name);
db_unlock();
if (!directory_child_access(directory, name, R_OK)) {
FormatError(update_domain,
"no read permissions on %s/%s",
directory.GetPath(), name);
if (song != nullptr) {
db_lock();
delete_song(directory, song);
db_unlock();
}
return;
}
if (!(song != nullptr && st->st_mtime == song->mtime &&
!walk_discard) &&
update_container_file(directory, name, st, suffix)) {
if (song != nullptr) {
db_lock();
delete_song(directory, song);
db_unlock();
}
return;
}
if (song == nullptr) {
FormatDebug(update_domain, "reading %s/%s",
directory.GetPath(), name);
song = Song::LoadFile(name, directory);
if (song == nullptr) {
FormatDebug(update_domain,
"ignoring unrecognized file %s/%s",
directory.GetPath(), name);
return;
}
db_lock();
directory.AddSong(song);
db_unlock();
modified = true;
FormatDefault(update_domain, "added %s/%s",
directory.GetPath(), name);
} else if (st->st_mtime != song->mtime || walk_discard) {
FormatDefault(update_domain, "updating %s/%s",
directory.GetPath(), name);
if (!song->UpdateFile()) {
FormatDebug(update_domain,
"deleting unrecognized file %s/%s",
directory.GetPath(), name);
db_lock();
delete_song(directory, song);
db_unlock();
}
modified = true;
}
}
bool
update_song_file(Directory &directory,
const char *name, const char *suffix,
const struct stat *st)
{
if (!decoder_plugins_supports_suffix(suffix))
return false;
update_song_file2(directory, name, st, suffix);
return true;
}
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