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-rw-r--r--src/UpdateSong.cxx115
1 files changed, 115 insertions, 0 deletions
diff --git a/src/UpdateSong.cxx b/src/UpdateSong.cxx
new file mode 100644
index 000000000..7994ea754
--- /dev/null
+++ b/src/UpdateSong.cxx
@@ -0,0 +1,115 @@
+/*
+ * 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"
+
+extern "C" {
+#include "decoder_list.h"
+}
+
+#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;
+}