[2e6833]: scanner.c Maximize Restore History

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/* MiniDLNA media server
* Copyright (C) 2008-2009 Justin Maggard
*
* This file is part of MiniDLNA.
*
* MiniDLNA is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* MiniDLNA 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 MiniDLNA. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <dirent.h>
#include <locale.h>
#include <libgen.h>
#include <inttypes.h>
#include <sys/param.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/resource.h>
#include "config.h"
#ifdef ENABLE_NLS
#include <libintl.h>
#endif
#include <sqlite3.h>
#include "libav.h"
#include "scanner_sqlite.h"
#include "upnpglobalvars.h"
#include "metadata.h"
#include "playlist.h"
#include "utils.h"
#include "sql.h"
#include "scanner.h"
#include "albumart.h"
#include "log.h"
#if SCANDIR_CONST
typedef const struct dirent scan_filter;
#else
typedef struct dirent scan_filter;
#endif
#ifndef AV_LOG_PANIC
#define AV_LOG_PANIC AV_LOG_FATAL
#endif
int valid_cache = 0;
struct virtual_item
{
int64_t objectID;
char parentID[64];
char name[256];
};
int64_t
get_next_available_id(const char *table, const char *parentID)
{
char *ret, *base;
int64_t objectID = 0;
ret = sql_get_text_field(db, "SELECT OBJECT_ID from %s where ID = "
"(SELECT max(ID) from %s where PARENT_ID = '%s')",
table, table, parentID);
if( ret )
{
base = strrchr(ret, '$');
if( base )
objectID = strtoll(base+1, NULL, 16) + 1;
sqlite3_free(ret);
}
return objectID;
}
int
insert_container(const char *item, const char *rootParent, const char *refID, const char *class,
const char *artist, const char *genre, const char *album_art, int64_t *objectID, int64_t *parentID)
{
char *result;
char *base;
int ret = 0;
result = sql_get_text_field(db, "SELECT OBJECT_ID from OBJECTS o "
"left join DETAILS d on (o.DETAIL_ID = d.ID)"
" where o.PARENT_ID = '%s'"
" and o.NAME like '%q'"
" and d.ARTIST %s %Q"
" and o.CLASS = 'container.%s' limit 1",
rootParent, item, artist?"like":"is", artist, class);
if( result )
{
base = strrchr(result, '$');
if( base )
*parentID = strtoll(base+1, NULL, 16);
else
*parentID = 0;
*objectID = get_next_available_id("OBJECTS", result);
}
else
{
int64_t detailID = 0;
*objectID = 0;
*parentID = get_next_available_id("OBJECTS", rootParent);
if( refID )
{
result = sql_get_text_field(db, "SELECT DETAIL_ID from OBJECTS where OBJECT_ID = %Q", refID);
if( result )
detailID = strtoll(result, NULL, 10);
}
if( !detailID )
{
detailID = GetFolderMetadata(item, NULL, artist, genre, (album_art ? strtoll(album_art, NULL, 10) : 0));
}
ret = sql_exec(db, "INSERT into OBJECTS"
" (OBJECT_ID, PARENT_ID, REF_ID, DETAIL_ID, CLASS, NAME) "
"VALUES"
" ('%s$%llX', '%s', %Q, %lld, 'container.%s', '%q')",
rootParent, (long long)*parentID, rootParent,
refID, (long long)detailID, class, item);
}
sqlite3_free(result);
return ret;
}
static void
insert_containers(const char *name, const char *path, const char *refID, const char *class, int64_t detailID)
{
char sql[128];
char **result;
int ret;
int cols, row;
int64_t objectID, parentID;
if( strstr(class, "imageItem") )
{
char *date_taken = NULL, *camera = NULL;
static struct virtual_item last_date;
static struct virtual_item last_cam;
static struct virtual_item last_camdate;
static long long last_all_objectID = 0;
snprintf(sql, sizeof(sql), "SELECT DATE, CREATOR from DETAILS where ID = %lld", (long long)detailID);
ret = sql_get_table(db, sql, &result, &row, &cols);
if( ret == SQLITE_OK )
{
date_taken = result[2];
camera = result[3];
}
if( date_taken )
date_taken[10] = '\0';
else
date_taken = _("Unknown Date");
if( !camera )
camera = _("Unknown Camera");
if( valid_cache && strcmp(last_date.name, date_taken) == 0 )
{
last_date.objectID++;
//DEBUG DPRINTF(E_DEBUG, L_SCANNER, "Using last date item: %s/%s/%X\n", last_date.name, last_date.parentID, last_date.objectID);
}
else
{
insert_container(date_taken, IMAGE_DATE_ID, NULL, "album.photoAlbum", NULL, NULL, NULL, &objectID, &parentID);
sprintf(last_date.parentID, IMAGE_DATE_ID"$%llX", (unsigned long long)parentID);
last_date.objectID = objectID;
strncpyt(last_date.name, date_taken, sizeof(last_date.name));
//DEBUG DPRINTF(E_DEBUG, L_SCANNER, "Creating cached date item: %s/%s/%X\n", last_date.name, last_date.parentID, last_date.objectID);
}
sql_exec(db, "INSERT into OBJECTS"
" (OBJECT_ID, PARENT_ID, REF_ID, CLASS, DETAIL_ID, NAME) "
"VALUES"
" ('%s$%llX', '%s', '%s', '%s', %lld, %Q)",
last_date.parentID, (long long)last_date.objectID, last_date.parentID, refID, class, (long long)detailID, name);
if( !valid_cache || strcmp(camera, last_cam.name) != 0 )
{
insert_container(camera, IMAGE_CAMERA_ID, NULL, "storageFolder", NULL, NULL, NULL, &objectID, &parentID);
sprintf(last_cam.parentID, IMAGE_CAMERA_ID"$%llX", (long long)parentID);
strncpyt(last_cam.name, camera, sizeof(last_cam.name));
/* Invalidate last_camdate cache */
last_camdate.name[0] = '\0';
}
if( valid_cache && strcmp(last_camdate.name, date_taken) == 0 )
{
last_camdate.objectID++;
//DEBUG DPRINTF(E_DEBUG, L_SCANNER, "Using last camdate item: %s/%s/%s/%X\n", camera, last_camdate.name, last_camdate.parentID, last_camdate.objectID);
}
else
{
insert_container(date_taken, last_cam.parentID, NULL, "album.photoAlbum", NULL, NULL, NULL, &objectID, &parentID);
sprintf(last_camdate.parentID, "%s$%llX", last_cam.parentID, (long long)parentID);
last_camdate.objectID = objectID;
strncpyt(last_camdate.name, date_taken, sizeof(last_camdate.name));
//DEBUG DPRINTF(E_DEBUG, L_SCANNER, "Creating cached camdate item: %s/%s/%s/%X\n", camera, last_camdate.name, last_camdate.parentID, last_camdate.objectID);
}
sql_exec(db, "INSERT into OBJECTS"
" (OBJECT_ID, PARENT_ID, REF_ID, CLASS, DETAIL_ID, NAME) "
"VALUES"
" ('%s$%llX', '%s', '%s', '%s', %lld, %Q)",
last_camdate.parentID, last_camdate.objectID, last_camdate.parentID, refID, class, (long long)detailID, name);
/* All Images */
if( !last_all_objectID )
{
last_all_objectID = get_next_available_id("OBJECTS", IMAGE_ALL_ID);
}
sql_exec(db, "INSERT into OBJECTS"
" (OBJECT_ID, PARENT_ID, REF_ID, CLASS, DETAIL_ID, NAME) "
"VALUES"
" ('"IMAGE_ALL_ID"$%llX', '"IMAGE_ALL_ID"', '%s', '%s', %lld, %Q)",
last_all_objectID++, refID, class, (long long)detailID, name);
}
else if( strstr(class, "audioItem") )
{
snprintf(sql, sizeof(sql), "SELECT ALBUM, ARTIST, GENRE, ALBUM_ART from DETAILS where ID = %lld", (long long)detailID);
ret = sql_get_table(db, sql, &result, &row, &cols);
if( ret != SQLITE_OK )
return;
if( !row )
{
sqlite3_free_table(result);
return;
}
char *album = result[4], *artist = result[5], *genre = result[6];
char *album_art = result[7];
static struct virtual_item last_album;
static struct virtual_item last_artist;
static struct virtual_item last_artistAlbum;
static struct virtual_item last_artistAlbumAll;
static struct virtual_item last_genre;
static struct virtual_item last_genreArtist;
static struct virtual_item last_genreArtistAll;
static long long last_all_objectID = 0;
if( album )
{
if( valid_cache && strcmp(album, last_album.name) == 0 )
{
last_album.objectID++;
//DEBUG DPRINTF(E_DEBUG, L_SCANNER, "Using last album item: %s/%s/%X\n", last_album.name, last_album.parentID, last_album.objectID);
}
else
{
strncpyt(last_album.name, album, sizeof(last_album.name));
insert_container(album, MUSIC_ALBUM_ID, NULL, "album.musicAlbum", artist, genre, album_art, &objectID, &parentID);
sprintf(last_album.parentID, MUSIC_ALBUM_ID"$%llX", (long long)parentID);
last_album.objectID = objectID;
//DEBUG DPRINTF(E_DEBUG, L_SCANNER, "Creating cached album item: %s/%s/%X\n", last_album.name, last_album.parentID, last_album.objectID);
}
sql_exec(db, "INSERT into OBJECTS"
" (OBJECT_ID, PARENT_ID, REF_ID, CLASS, DETAIL_ID, NAME) "
"VALUES"
" ('%s$%llX', '%s', '%s', '%s', %lld, %Q)",
last_album.parentID, last_album.objectID, last_album.parentID, refID, class, (long long)detailID, name);
}
if( artist )
{
if( !valid_cache || strcmp(artist, last_artist.name) != 0 )
{
insert_container(artist, MUSIC_ARTIST_ID, NULL, "person.musicArtist", NULL, genre, NULL, &objectID, &parentID);
sprintf(last_artist.parentID, MUSIC_ARTIST_ID"$%llX", (long long)parentID);
strncpyt(last_artist.name, artist, sizeof(last_artist.name));
last_artistAlbum.name[0] = '\0';
/* Add this file to the "- All Albums -" container as well */
insert_container(_("- All Albums -"), last_artist.parentID, NULL, "album", artist, genre, NULL, &objectID, &parentID);
sprintf(last_artistAlbumAll.parentID, "%s$%llX", last_artist.parentID, (long long)parentID);
last_artistAlbumAll.objectID = objectID;
}
else
{
last_artistAlbumAll.objectID++;
}
if( valid_cache && strcmp(album?album:_("Unknown Album"), last_artistAlbum.name) == 0 )
{
last_artistAlbum.objectID++;
//DEBUG DPRINTF(E_DEBUG, L_SCANNER, "Using last artist/album item: %s/%s/%X\n", last_artist.name, last_artist.parentID, last_artist.objectID);
}
else
{
insert_container(album?album:_("Unknown Album"), last_artist.parentID, album?last_album.parentID:NULL,
"album.musicAlbum", artist, genre, album_art, &objectID, &parentID);
sprintf(last_artistAlbum.parentID, "%s$%llX", last_artist.parentID, (long long)parentID);
last_artistAlbum.objectID = objectID;
strncpyt(last_artistAlbum.name, album ? album : _("Unknown Album"), sizeof(last_artistAlbum.name));
//DEBUG DPRINTF(E_DEBUG, L_SCANNER, "Creating cached artist/album item: %s/%s/%X\n", last_artist.name, last_artist.parentID, last_artist.objectID);
}
sql_exec(db, "INSERT into OBJECTS"
" (OBJECT_ID, PARENT_ID, REF_ID, CLASS, DETAIL_ID, NAME) "
"VALUES"
" ('%s$%llX', '%s', '%s', '%s', %lld, %Q)",
last_artistAlbum.parentID, last_artistAlbum.objectID, last_artistAlbum.parentID, refID, class, (long long)detailID, name);
sql_exec(db, "INSERT into OBJECTS"
" (OBJECT_ID, PARENT_ID, REF_ID, CLASS, DETAIL_ID, NAME) "
"VALUES"
" ('%s$%llX', '%s', '%s', '%s', %lld, %Q)",
last_artistAlbumAll.parentID, last_artistAlbumAll.objectID, last_artistAlbumAll.parentID, refID, class, (long long)detailID, name);
}
if( genre )
{
if( !valid_cache || strcmp(genre, last_genre.name) != 0 )
{
insert_container(genre, MUSIC_GENRE_ID, NULL, "genre.musicGenre", NULL, NULL, NULL, &objectID, &parentID);
sprintf(last_genre.parentID, MUSIC_GENRE_ID"$%llX", (long long)parentID);
strncpyt(last_genre.name, genre, sizeof(last_genre.name));
/* Add this file to the "- All Artists -" container as well */
insert_container(_("- All Artists -"), last_genre.parentID, NULL, "person", NULL, genre, NULL, &objectID, &parentID);
sprintf(last_genreArtistAll.parentID, "%s$%llX", last_genre.parentID, (long long)parentID);
last_genreArtistAll.objectID = objectID;
}
else
{
last_genreArtistAll.objectID++;
}
if( valid_cache && strcmp(artist?artist:_("Unknown Artist"), last_genreArtist.name) == 0 )
{
last_genreArtist.objectID++;
}
else
{
insert_container(artist?artist:_("Unknown Artist"), last_genre.parentID, artist?last_artist.parentID:NULL,
"person.musicArtist", NULL, genre, NULL, &objectID, &parentID);
sprintf(last_genreArtist.parentID, "%s$%llX", last_genre.parentID, (long long)parentID);
last_genreArtist.objectID = objectID;
strncpyt(last_genreArtist.name, artist ? artist : _("Unknown Artist"), sizeof(last_genreArtist.name));
//DEBUG DPRINTF(E_DEBUG, L_SCANNER, "Creating cached genre/artist item: %s/%s/%X\n", last_genreArtist.name, last_genreArtist.parentID, last_genreArtist.objectID);
}
sql_exec(db, "INSERT into OBJECTS"
" (OBJECT_ID, PARENT_ID, REF_ID, CLASS, DETAIL_ID, NAME) "
"VALUES"
" ('%s$%llX', '%s', '%s', '%s', %lld, %Q)",
last_genreArtist.parentID, last_genreArtist.objectID, last_genreArtist.parentID, refID, class, (long long)detailID, name);
sql_exec(db, "INSERT into OBJECTS"
" (OBJECT_ID, PARENT_ID, REF_ID, CLASS, DETAIL_ID, NAME) "
"VALUES"
" ('%s$%llX', '%s', '%s', '%s', %lld, %Q)",
last_genreArtistAll.parentID, last_genreArtistAll.objectID, last_genreArtistAll.parentID, refID, class, (long long)detailID, name);
}
/* All Music */
if( !last_all_objectID )
{
last_all_objectID = get_next_available_id("OBJECTS", MUSIC_ALL_ID);
}
sql_exec(db, "INSERT into OBJECTS"
" (OBJECT_ID, PARENT_ID, REF_ID, CLASS, DETAIL_ID, NAME) "
"VALUES"
" ('"MUSIC_ALL_ID"$%llX', '"MUSIC_ALL_ID"', '%s', '%s', %lld, %Q)",
last_all_objectID++, refID, class, (long long)detailID, name);
}
else if( strstr(class, "videoItem") )
{
static long long last_all_objectID = 0;
/* All Videos */
if( !last_all_objectID )
{
last_all_objectID = get_next_available_id("OBJECTS", VIDEO_ALL_ID);
}
sql_exec(db, "INSERT into OBJECTS"
" (OBJECT_ID, PARENT_ID, REF_ID, CLASS, DETAIL_ID, NAME) "
"VALUES"
" ('"VIDEO_ALL_ID"$%llX', '"VIDEO_ALL_ID"', '%s', '%s', %lld, %Q)",
last_all_objectID++, refID, class, (long long)detailID, name);
return;
}
else
{
return;
}
sqlite3_free_table(result);
valid_cache = 1;
}
int
insert_directory(const char *name, const char *path, const char *base, const char *parentID, int objectID)
{
int64_t detailID = 0;
char class[] = "container.storageFolder";
char *result, *p;
static char last_found[256] = "-1";
if( strcmp(base, BROWSEDIR_ID) != 0 )
{
int found = 0;
char id_buf[64], parent_buf[64], refID[64];
char *dir_buf, *dir;
dir_buf = strdup(path);
dir = dirname(dir_buf);
snprintf(refID, sizeof(refID), "%s%s$%X", BROWSEDIR_ID, parentID, objectID);
snprintf(id_buf, sizeof(id_buf), "%s%s$%X", base, parentID, objectID);
snprintf(parent_buf, sizeof(parent_buf), "%s%s", base, parentID);
while( !found )
{
if( valid_cache && strcmp(id_buf, last_found) == 0 )
break;
if( sql_get_int_field(db, "SELECT count(*) from OBJECTS where OBJECT_ID = '%s'", id_buf) > 0 )
{
strcpy(last_found, id_buf);
break;
}
/* Does not exist. Need to create, and may need to create parents also */
result = sql_get_text_field(db, "SELECT DETAIL_ID from OBJECTS where OBJECT_ID = '%s'", refID);
if( result )
{
detailID = strtoll(result, NULL, 10);
sqlite3_free(result);
}
sql_exec(db, "INSERT into OBJECTS"
" (OBJECT_ID, PARENT_ID, REF_ID, DETAIL_ID, CLASS, NAME) "
"VALUES"
" ('%s', '%s', %Q, %lld, '%s', '%q')",
id_buf, parent_buf, refID, detailID, class, strrchr(dir, '/')+1);
if( (p = strrchr(id_buf, '$')) )
*p = '\0';
if( (p = strrchr(parent_buf, '$')) )
*p = '\0';
if( (p = strrchr(refID, '$')) )
*p = '\0';
dir = dirname(dir);
}
free(dir_buf);
return 0;
}
detailID = GetFolderMetadata(name, path, NULL, NULL, find_album_art(path, NULL, 0));
sql_exec(db, "INSERT into OBJECTS"
" (OBJECT_ID, PARENT_ID, DETAIL_ID, CLASS, NAME) "
"VALUES"
" ('%s%s$%X', '%s%s', %lld, '%s', '%q')",
base, parentID, objectID, base, parentID, detailID, class, name);
return 0;
}
int
insert_file(char *name, const char *path, const char *parentID, int object)
{
char class[32];
char objectID[64];
int64_t detailID = 0;
char base[8];
char *typedir_parentID;
char *baseid;
char *orig_name = NULL;
if( is_image(name) )
{
if( is_album_art(name) )
return -1;
strcpy(base, IMAGE_DIR_ID);
strcpy(class, "item.imageItem.photo");
detailID = GetImageMetadata(path, name);
}
else if( is_video(name) )
{
orig_name = strdup(name);
strcpy(base, VIDEO_DIR_ID);
strcpy(class, "item.videoItem");
detailID = GetVideoMetadata(path, name);
if( !detailID )
strcpy(name, orig_name);
}
else if( is_playlist(name) )
{
if( insert_playlist(path, name) == 0 )
return 1;
}
if( !detailID && is_audio(name) )
{
strcpy(base, MUSIC_DIR_ID);
strcpy(class, "item.audioItem.musicTrack");
detailID = GetAudioMetadata(path, name);
}
free(orig_name);
if( !detailID )
{
DPRINTF(E_WARN, L_SCANNER, "Unsuccessful getting details for %s!\n", path);
return -1;
}
sprintf(objectID, "%s%s$%X", BROWSEDIR_ID, parentID, object);
sql_exec(db, "INSERT into OBJECTS"
" (OBJECT_ID, PARENT_ID, CLASS, DETAIL_ID, NAME) "
"VALUES"
" ('%s', '%s%s', '%s', %lld, '%q')",
objectID, BROWSEDIR_ID, parentID, class, detailID, name);
if( *parentID )
{
int typedir_objectID = 0;
typedir_parentID = strdup(parentID);
baseid = strrchr(typedir_parentID, '$');
if( baseid )
{
typedir_objectID = strtol(baseid+1, NULL, 16);
*baseid = '\0';
}
insert_directory(name, path, base, typedir_parentID, typedir_objectID);
free(typedir_parentID);
}
sql_exec(db, "INSERT into OBJECTS"
" (OBJECT_ID, PARENT_ID, REF_ID, CLASS, DETAIL_ID, NAME) "
"VALUES"
" ('%s%s$%X', '%s%s', '%s', '%s', %lld, '%q')",
base, parentID, object, base, parentID, objectID, class, detailID, name);
insert_containers(name, path, objectID, class, detailID);
return 0;
}
int
CreateDatabase(void)
{
int ret, i;
const char *containers[] = { "0","-1", "root",
MUSIC_ID, "0", _("Music"),
MUSIC_ALL_ID, MUSIC_ID, _("All Music"),
MUSIC_GENRE_ID, MUSIC_ID, _("Genre"),
MUSIC_ARTIST_ID, MUSIC_ID, _("Artist"),
MUSIC_ALBUM_ID, MUSIC_ID, _("Album"),
MUSIC_DIR_ID, MUSIC_ID, _("Folders"),
MUSIC_PLIST_ID, MUSIC_ID, _("Playlists"),
VIDEO_ID, "0", _("Video"),
VIDEO_ALL_ID, VIDEO_ID, _("All Video"),
VIDEO_DIR_ID, VIDEO_ID, _("Folders"),
IMAGE_ID, "0", _("Pictures"),
IMAGE_ALL_ID, IMAGE_ID, _("All Pictures"),
IMAGE_DATE_ID, IMAGE_ID, _("Date Taken"),
IMAGE_CAMERA_ID, IMAGE_ID, _("Camera"),
IMAGE_DIR_ID, IMAGE_ID, _("Folders"),
BROWSEDIR_ID, "0", _("Browse Folders"),
0 };
ret = sql_exec(db, create_objectTable_sqlite);
if( ret != SQLITE_OK )
goto sql_failed;
ret = sql_exec(db, create_detailTable_sqlite);
if( ret != SQLITE_OK )
goto sql_failed;
ret = sql_exec(db, create_albumArtTable_sqlite);
if( ret != SQLITE_OK )
goto sql_failed;
ret = sql_exec(db, create_captionTable_sqlite);
if( ret != SQLITE_OK )
goto sql_failed;
ret = sql_exec(db, create_bookmarkTable_sqlite);
if( ret != SQLITE_OK )
goto sql_failed;
ret = sql_exec(db, create_playlistTable_sqlite);
if( ret != SQLITE_OK )
goto sql_failed;
ret = sql_exec(db, create_settingsTable_sqlite);
if( ret != SQLITE_OK )
goto sql_failed;
ret = sql_exec(db, "INSERT into SETTINGS values ('UPDATE_ID', '0')");
if( ret != SQLITE_OK )
goto sql_failed;
for( i=0; containers[i]; i=i+3 )
{
ret = sql_exec(db, "INSERT into OBJECTS (OBJECT_ID, PARENT_ID, DETAIL_ID, CLASS, NAME)"
" values "
"('%s', '%s', %lld, 'container.storageFolder', '%q')",
containers[i], containers[i+1], GetFolderMetadata(containers[i+2], NULL, NULL, NULL, 0), containers[i+2]);
if( ret != SQLITE_OK )
goto sql_failed;
}
sql_exec(db, "create INDEX IDX_OBJECTS_OBJECT_ID ON OBJECTS(OBJECT_ID);");
sql_exec(db, "create INDEX IDX_OBJECTS_PARENT_ID ON OBJECTS(PARENT_ID);");
sql_exec(db, "create INDEX IDX_OBJECTS_DETAIL_ID ON OBJECTS(DETAIL_ID);");
sql_exec(db, "create INDEX IDX_OBJECTS_CLASS ON OBJECTS(CLASS);");
sql_exec(db, "create INDEX IDX_DETAILS_PATH ON DETAILS(PATH);");
sql_exec(db, "create INDEX IDX_DETAILS_ID ON DETAILS(ID);");
sql_exec(db, "create INDEX IDX_ALBUM_ART ON ALBUM_ART(ID);");
sql_exec(db, "create INDEX IDX_SCANNER_OPT ON OBJECTS(PARENT_ID, NAME, OBJECT_ID);");
sql_failed:
if( ret != SQLITE_OK )
fprintf(stderr, "Error creating SQLite3 database!\n");
return (ret != SQLITE_OK);
}
static inline int
filter_hidden(scan_filter *d)
{
return (d->d_name[0] != '.');
}
static int
filter_type(scan_filter *d)
{
return ( (d->d_type == DT_DIR) ||
(d->d_type == DT_LNK) ||
(d->d_type == DT_UNKNOWN)
);
}
static int
filter_a(scan_filter *d)
{
return ( filter_hidden(d) &&
(filter_type(d) ||
((d->d_type == DT_REG) &&
(is_audio(d->d_name) ||
is_playlist(d->d_name))))
);
}
static int
filter_av(scan_filter *d)
{
return ( filter_hidden(d) &&
(filter_type(d) ||
((d->d_type == DT_REG) &&
(is_audio(d->d_name) ||
is_video(d->d_name) ||
is_playlist(d->d_name))))
);
}
static int
filter_ap(scan_filter *d)
{
return ( filter_hidden(d) &&
(filter_type(d) ||
((d->d_type == DT_REG) &&
(is_audio(d->d_name) ||
is_image(d->d_name) ||
is_playlist(d->d_name))))
);
}
static int
filter_v(scan_filter *d)
{
return ( filter_hidden(d) &&
(filter_type(d) ||
(d->d_type == DT_REG &&
is_video(d->d_name)))
);
}
static int
filter_vp(scan_filter *d)
{
return ( filter_hidden(d) &&
(filter_type(d) ||
((d->d_type == DT_REG) &&
(is_video(d->d_name) ||
is_image(d->d_name))))
);
}
static int
filter_p(scan_filter *d)
{
return ( filter_hidden(d) &&
(filter_type(d) ||
(d->d_type == DT_REG &&
is_image(d->d_name)))
);
}
static int
filter_avp(scan_filter *d)
{
return ( filter_hidden(d) &&
(filter_type(d) ||
((d->d_type == DT_REG) &&
(is_audio(d->d_name) ||
is_image(d->d_name) ||
is_video(d->d_name) ||
is_playlist(d->d_name))))
);
}
void
ScanDirectory(const char *dir, const char *parent, media_types dir_types)
{
struct dirent **namelist;
int i, n, startID=0;
char parent_id[PATH_MAX];
char full_path[PATH_MAX];
char *name = NULL;
static long long unsigned int fileno = 0;
enum file_types type;
DPRINTF(parent?E_INFO:E_WARN, L_SCANNER, _("Scanning %s\n"), dir);
switch( dir_types )
{
case ALL_MEDIA:
n = scandir(dir, &namelist, filter_avp, alphasort);
break;
case TYPE_AUDIO:
n = scandir(dir, &namelist, filter_a, alphasort);
break;
case TYPE_AUDIO|TYPE_VIDEO:
n = scandir(dir, &namelist, filter_av, alphasort);
break;
case TYPE_AUDIO|TYPE_IMAGES:
n = scandir(dir, &namelist, filter_ap, alphasort);
break;
case TYPE_VIDEO:
n = scandir(dir, &namelist, filter_v, alphasort);
break;
case TYPE_VIDEO|TYPE_IMAGES:
n = scandir(dir, &namelist, filter_vp, alphasort);
break;
case TYPE_IMAGES:
n = scandir(dir, &namelist, filter_p, alphasort);
break;
default:
n = -1;
break;
}
if (n < 0) {
DPRINTF(E_WARN, L_SCANNER, "Error scanning %s\n", dir);
return;
}
if( !parent )
{
startID = get_next_available_id("OBJECTS", BROWSEDIR_ID);
}
for (i=0; i < n; i++)
{
#if !USE_FORK
if( quitting )
break;
#endif
type = TYPE_UNKNOWN;
sprintf(full_path, "%s/%s", dir, namelist[i]->d_name);
name = escape_tag(namelist[i]->d_name, 1);
if( namelist[i]->d_type == DT_DIR )
{
type = TYPE_DIR;
}
else if( namelist[i]->d_type == DT_REG )
{
type = TYPE_FILE;
}
else
{
type = resolve_unknown_type(full_path, dir_types);
}
if( (type == TYPE_DIR) && (access(full_path, R_OK|X_OK) == 0) )
{
insert_directory(name, full_path, BROWSEDIR_ID, (parent ? parent:""), i+startID);
sprintf(parent_id, "%s$%X", (parent ? parent:""), i+startID);
ScanDirectory(full_path, parent_id, dir_types);
}
else if( type == TYPE_FILE && (access(full_path, R_OK) == 0) )
{
if( insert_file(name, full_path, (parent ? parent:""), i+startID) == 0 )
fileno++;
}
free(name);
free(namelist[i]);
}
free(namelist);
if( !parent )
{
DPRINTF(E_WARN, L_SCANNER, _("Scanning %s finished (%llu files)!\n"), dir, fileno);
}
}
void
start_scanner()
{
struct media_dir_s *media_path = media_dirs;
char name[MAXPATHLEN];
if (setpriority(PRIO_PROCESS, 0, 15) == -1)
DPRINTF(E_WARN, L_INOTIFY, "Failed to reduce scanner thread priority\n");
#ifdef READYNAS
FILE *flag = fopen("/ramfs/.upnp-av_scan", "w");
if( flag )
fclose(flag);
#endif
setlocale(LC_COLLATE, "");
av_register_all();
av_log_set_level(AV_LOG_PANIC);
while( media_path )
{
int64_t id;
strncpyt(name, media_path->path, sizeof(name));
id = GetFolderMetadata(basename(name), media_path->path, NULL, NULL, 0);
/* Use TIMESTAMP to store the media type */
sql_exec(db, "UPDATE DETAILS set TIMESTAMP = %d where ID = %lld", media_path->types, (long long)id);
ScanDirectory(media_path->path, NULL, media_path->types);
sql_exec(db, "INSERT into SETTINGS values (%Q, %Q)", "media_dir", media_path->path);
media_path = media_path->next;
}
#ifdef READYNAS
if( access("/ramfs/.rescan_done", F_OK) == 0 )
system("/bin/sh /ramfs/.rescan_done");
unlink("/ramfs/.upnp-av_scan");
#endif
/* Create this index after scanning, so it doesn't slow down the scanning process.
* This index is very useful for large libraries used with an XBox360 (or any
* client that uses UPnPSearch on large containers). */
sql_exec(db, "create INDEX IDX_SEARCH_OPT ON OBJECTS(OBJECT_ID, CLASS, DETAIL_ID);");
if( GETFLAG(NO_PLAYLIST_MASK) )
{
DPRINTF(E_WARN, L_SCANNER, "Playlist creation disabled\n");
}
else
{
fill_playlists();
}
DPRINTF(E_DEBUG, L_SCANNER, "Initial file scan completed\n", DB_VERSION);
//JM: Set up a db version number, so we know if we need to rebuild due to a new structure.
sql_exec(db, "pragma user_version = %d;", DB_VERSION);
}