diff options
Diffstat (limited to '')
-rw-r--r-- | src/UpdateSong.cxx | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/src/UpdateSong.cxx b/src/UpdateSong.cxx new file mode 100644 index 000000000..676ba48e2 --- /dev/null +++ b/src/UpdateSong.cxx @@ -0,0 +1,112 @@ +/* + * Copyright (C) 2003-2012 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 "DatabaseLock.hxx" +#include "Directory.hxx" +#include "song.h" +#include "decoder_plugin.h" +#include "DecoderList.hxx" + +#include <glib.h> + +#include <unistd.h> + +static void +update_song_file2(Directory *directory, + const char *name, const struct stat *st, + const struct decoder_plugin *plugin) +{ + db_lock(); + struct song *song = directory->FindSong(name); + db_unlock(); + + if (!directory_child_access(directory, name, R_OK)) { + g_warning("no read permissions on %s/%s", + directory->GetPath(), name); + if (song != NULL) { + db_lock(); + delete_song(directory, song); + db_unlock(); + } + + return; + } + + if (!(song != NULL && st->st_mtime == song->mtime && + !walk_discard) && + update_container_file(directory, name, st, plugin)) { + if (song != NULL) { + db_lock(); + delete_song(directory, song); + db_unlock(); + } + + return; + } + + if (song == NULL) { + g_debug("reading %s/%s", directory->GetPath(), name); + song = song_file_load(name, directory); + if (song == NULL) { + g_debug("ignoring unrecognized file %s/%s", + directory->GetPath(), name); + return; + } + + db_lock(); + directory->AddSong(song); + db_unlock(); + + modified = true; + g_message("added %s/%s", + directory->GetPath(), name); + } else if (st->st_mtime != song->mtime || walk_discard) { + g_message("updating %s/%s", + directory->GetPath(), name); + if (!song_file_update(song)) { + g_debug("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) +{ + const struct decoder_plugin *plugin = + decoder_plugin_from_suffix(suffix, nullptr); + if (plugin == NULL) + return false; + + update_song_file2(directory, name, st, plugin); + return true; +} |