1 files changed, 113 insertions, 0 deletions
diff --git a/src/update/UpdateSong.cxx b/src/update/UpdateSong.cxx
new file mode 100644
index 000000000..2db85a674
--- /dev/null
+++ b/src/update/UpdateSong.cxx
@@ -0,0 +1,113 @@
+/*
+ * 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 "decoder/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;
+}