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/*
* Copyright 2003-2017 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 "Walk.hxx"
#include "UpdateIO.hxx"
#include "UpdateDomain.hxx"
#include "db/DatabaseLock.hxx"
#include "db/plugins/simple/Directory.hxx"
#include "db/plugins/simple/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 StorageFileInfo &info)
{
Song *song;
{
const ScopeDatabaseLock protect;
song = directory.FindSong(name);
}
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 &&
std::chrono::system_clock::to_time_t(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;
}
{
const ScopeDatabaseLock protect;
directory.AddSong(song);
}
modified = true;
FormatDefault(update_domain, "added %s/%s",
directory.GetPath(), name);
} else if (std::chrono::system_clock::to_time_t(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 StorageFileInfo &info)
{
if (!decoder_plugins_supports_suffix(suffix))
return false;
UpdateSongFile2(directory, name, suffix, info);
return true;
}
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