mpd/src/db/update/UpdateSong.cxx
Max Kellermann 29b18d9ab7 SongUpdate: use the Storage interface, support remote files
This commit finally allows the database update to scan remote files,
e.g. using the smbclient storage plugin.  However, it is not yet
possible to configure that, therefore the feature is not accessible
yet.
2014-02-06 19:06:08 +01:00

104 lines
2.8 KiB
C++

/*
* 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 "Service.hxx"
#include "UpdateIO.hxx"
#include "UpdateDomain.hxx"
#include "db/DatabaseLock.hxx"
#include "db/Directory.hxx"
#include "db/Song.hxx"
#include "decoder/DecoderList.hxx"
#include "storage/FileInfo.hxx"
#include "Log.hxx"
#include <unistd.h>
inline void
UpdateWalk::UpdateSongFile2(Directory &directory,
const char *name, const char *suffix,
const FileInfo &info)
{
db_lock();
Song *song = directory.FindSong(name);
db_unlock();
if (!directory_child_access(storage, directory, name, R_OK)) {
FormatError(update_domain,
"no read permissions on %s/%s",
directory.GetPath(), name);
if (song != nullptr)
editor.LockDeleteSong(directory, song);
return;
}
if (!(song != nullptr && info.mtime == song->mtime &&
!walk_discard) &&
UpdateContainerFile(directory, name, suffix, info)) {
if (song != nullptr)
editor.LockDeleteSong(directory, song);
return;
}
if (song == nullptr) {
FormatDebug(update_domain, "reading %s/%s",
directory.GetPath(), name);
song = Song::LoadFile(storage, 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 (info.mtime != song->mtime || walk_discard) {
FormatDefault(update_domain, "updating %s/%s",
directory.GetPath(), name);
if (!song->UpdateFile(storage)) {
FormatDebug(update_domain,
"deleting unrecognized file %s/%s",
directory.GetPath(), name);
editor.LockDeleteSong(directory, song);
}
modified = true;
}
}
bool
UpdateWalk::UpdateSongFile(Directory &directory,
const char *name, const char *suffix,
const FileInfo &info)
{
if (!decoder_plugins_supports_suffix(suffix))
return false;
UpdateSongFile2(directory, name, suffix, info);
return true;
}