MPD 0.17~git
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00001 /* 00002 * Copyright (C) 2003-2011 The Music Player Daemon Project 00003 * http://www.musicpd.org 00004 * 00005 * This program is free software; you can redistribute it and/or modify 00006 * it under the terms of the GNU General Public License as published by 00007 * the Free Software Foundation; either version 2 of the License, or 00008 * (at your option) any later version. 00009 * 00010 * This program is distributed in the hope that it will be useful, 00011 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00013 * GNU General Public License for more details. 00014 * 00015 * You should have received a copy of the GNU General Public License along 00016 * with this program; if not, write to the Free Software Foundation, Inc., 00017 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 00018 */ 00019 00020 #ifndef MPD_DATABASE_H 00021 #define MPD_DATABASE_H 00022 00023 #include "gcc.h" 00024 00025 #include <glib.h> 00026 00027 #include <sys/time.h> 00028 #include <stdbool.h> 00029 00030 struct config_param; 00031 struct directory; 00032 struct db_selection; 00033 struct db_visitor; 00034 00040 bool 00041 db_init(const struct config_param *path, GError **error_r); 00042 00043 void 00044 db_finish(void); 00045 00050 struct directory * 00051 db_get_root(void); 00052 00056 gcc_nonnull(1) 00057 struct directory * 00058 db_get_directory(const char *name); 00059 00060 gcc_nonnull(1) 00061 struct song * 00062 db_get_song(const char *file); 00063 00064 gcc_nonnull(1,2) 00065 bool 00066 db_visit(const struct db_selection *selection, 00067 const struct db_visitor *visitor, void *ctx, 00068 GError **error_r); 00069 00070 gcc_nonnull(1,2) 00071 bool 00072 db_walk(const char *uri, 00073 const struct db_visitor *visitor, void *ctx, 00074 GError **error_r); 00075 00076 bool 00077 db_check(GError **error_r); 00078 00079 bool 00080 db_save(GError **error_r); 00081 00082 bool 00083 db_load(GError **error); 00084 00085 time_t 00086 db_get_mtime(void); 00087 00091 static inline bool 00092 db_exists(void) 00093 { 00094 /* mtime is set only if the database file was loaded or saved 00095 successfully */ 00096 return db_get_mtime() > 0; 00097 } 00098 00099 #endif