160 lines
3.9 KiB
C++
160 lines
3.9 KiB
C++
/*
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* Copyright (C) 2003-2013 The Music Player Daemon Project
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h" /* must be first for large file support */
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#include "UpdateArchive.hxx"
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#include "UpdateInternal.hxx"
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#include "DatabaseLock.hxx"
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#include "Directory.hxx"
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#include "song.h"
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#include "Mapper.hxx"
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extern "C" {
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#include "archive_list.h"
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#include "archive_plugin.h"
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}
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#include <glib.h>
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#include <string.h>
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static void
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update_archive_tree(Directory *directory, char *name)
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{
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char *tmp = strchr(name, '/');
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if (tmp) {
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*tmp = 0;
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//add dir is not there already
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db_lock();
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Directory *subdir =
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directory->MakeChild(name);
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subdir->device = DEVICE_INARCHIVE;
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db_unlock();
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//create directories first
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update_archive_tree(subdir, tmp+1);
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} else {
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if (strlen(name) == 0) {
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g_warning("archive returned directory only");
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return;
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}
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//add file
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db_lock();
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struct song *song = directory->FindSong(name);
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db_unlock();
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if (song == NULL) {
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song = song_file_load(name, directory);
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if (song != NULL) {
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db_lock();
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directory->AddSong(song);
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db_unlock();
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modified = true;
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g_message("added %s/%s",
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directory->GetPath(), name);
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}
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}
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}
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}
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/**
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* Updates the file listing from an archive file.
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*
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* @param parent the parent directory the archive file resides in
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* @param name the UTF-8 encoded base name of the archive file
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* @param st stat() information on the archive file
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* @param plugin the archive plugin which fits this archive type
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*/
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static void
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update_archive_file2(Directory *parent, const char *name,
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const struct stat *st,
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const struct archive_plugin *plugin)
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{
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db_lock();
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Directory *directory = parent->FindChild(name);
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db_unlock();
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if (directory != NULL && directory->mtime == st->st_mtime &&
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!walk_discard)
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/* MPD has already scanned the archive, and it hasn't
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changed since - don't consider updating it */
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return;
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char *path_fs = map_directory_child_fs(parent, name);
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/* open archive */
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GError *error = NULL;
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struct archive_file *file = archive_file_open(plugin, path_fs, &error);
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if (file == NULL) {
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g_free(path_fs);
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g_warning("%s", error->message);
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g_error_free(error);
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return;
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}
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g_debug("archive %s opened", path_fs);
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g_free(path_fs);
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if (directory == NULL) {
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g_debug("creating archive directory: %s", name);
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db_lock();
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directory = parent->CreateChild(name);
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/* mark this directory as archive (we use device for
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this) */
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directory->device = DEVICE_INARCHIVE;
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db_unlock();
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}
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directory->mtime = st->st_mtime;
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archive_file_scan_reset(file);
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char *filepath;
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while ((filepath = archive_file_scan_next(file)) != NULL) {
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/* split name into directory and file */
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g_debug("adding archive file: %s", filepath);
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update_archive_tree(directory, filepath);
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}
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archive_file_close(file);
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}
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bool
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update_archive_file(Directory *directory,
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const char *name, const char *suffix,
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const struct stat *st)
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{
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#ifdef ENABLE_ARCHIVE
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const struct archive_plugin *plugin =
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archive_plugin_from_suffix(suffix);
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if (plugin == NULL)
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return false;
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update_archive_file2(directory, name, st, plugin);
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return true;
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#else
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(void)directory;
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(void)name;
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(void)suffix;
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(void)st;
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return false;
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#endif
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}
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