aboutsummaryrefslogblamecommitdiffstats
path: root/src/database.h
blob: 66423f46ff90024374c411329a71a7859fe7d6d0 (plain) (tree)
1
2
3
4
5
6
7
8
9
10
11
12
13
  
                                                          
                         









                                                                       



                                                                          

   

                      
 

                 
                     
                    

                 
 

                                   

                                                     
   
    
                          
 

                
 


                      

               
 



                                                                  
                  
                  

                  
                                   

             
                              
 


                                                                       
 
    
                           
 
    
                          
 
    
                        
 

                   
 










                                                                     
      
/*
 * Copyright (C) 2003-2011 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.
 */

#ifndef MPD_DATABASE_H
#define MPD_DATABASE_H

#include <glib.h>

#include <sys/time.h>
#include <stdbool.h>

struct directory;

/**
 * Initialize the database library.
 *
 * @param path the absolute path of the database file
 */
void
db_init(const char *path);

void
db_finish(void);

/**
 * Clear the database.
 */
void
db_clear(void);

/**
 * Returns the root directory object.  Returns NULL if there is no
 * configured music directory.
 */
struct directory *
db_get_root(void);

struct directory *
db_get_directory(const char *name);

struct song *
db_get_song(const char *file);

int db_walk(const char *name,
	    int (*forEachSong)(struct song *, void *),
	    int (*forEachDir)(struct directory *, void *), void *data);

bool
db_check(GError **error_r);

bool
db_save(GError **error_r);

bool
db_load(GError **error);

time_t
db_get_mtime(void);

/**
 * Returns true if there is a valid database file on the disk.
 */
static inline bool
db_exists(void)
{
	/* mtime is set only if the database file was loaded or saved
	   successfully */
	return db_get_mtime() > 0;
}

#endif