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containers: add magic container infrastructure

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Add support for dynamic containers, with enough flexibility to also
replace our existing container ID replacement functionality.
This commit is contained in:
Justin Maggard
2014-07-01 17:08:18 -07:00
parent 95bbedb196
commit 8029921884
7 changed files with 313 additions and 83 deletions
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170
containers.c Normal file
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@ -0,0 +1,170 @@
/* MiniDLNA media server
* Copyright (C) 2014 NETGEAR
*
* 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 <string.h>
#include "clients.h"
#include "minidlnatypes.h"
#include "scanner.h"
#include "upnpglobalvars.h"
#include "containers.h"
#include "log.h"
#define NINETY_DAYS "7776000"
const char *music_id = MUSIC_ID;
const char *music_all_id = MUSIC_ALL_ID;
const char *music_genre_id = MUSIC_GENRE_ID;
const char *music_artist_id = MUSIC_ARTIST_ID;
const char *music_album_id = MUSIC_ALBUM_ID;
const char *music_plist_id = MUSIC_PLIST_ID;
const char *music_dir_id = MUSIC_DIR_ID;
const char *video_all_id = VIDEO_ALL_ID;
const char *video_dir_id = VIDEO_DIR_ID;
const char *image_all_id = IMAGE_ALL_ID;
const char *image_date_id = IMAGE_DATE_ID;
const char *image_camera_id = IMAGE_CAMERA_ID;
const char *image_dir_id = IMAGE_DIR_ID;
struct magic_container_s magic_containers[] =
{
/* Alternate root container */
{ NULL,
"0",
&runtime_vars.root_container,
NULL,
"0",
NULL,
NULL,
NULL,
NULL,
-1,
0,
},
/* Recent 50 audio items */
{ "Recently Added",
"1$FF0",
NULL,
"\"1$FF0$\" || OBJECT_ID",
"\"1$FF0\"",
"o.OBJECT_ID",
"(select null from DETAILS where MIME glob 'a*' and timestamp > (strftime('%s','now') - "NINETY_DAYS") limit 50)",
"MIME glob 'a*' and REF_ID is NULL and timestamp > (strftime('%s','now') - "NINETY_DAYS")",
"order by TIMESTAMP DESC",
50,
0,
},
/* Recent 50 video items */
{ "Recently Added",
"2$FF0",
NULL,
"\"2$FF0$\" || OBJECT_ID",
"\"2$FF0\"",
"o.OBJECT_ID",
"(select null from DETAILS where MIME glob 'v*' and timestamp > (strftime('%s','now') - "NINETY_DAYS") limit 50)",
"MIME glob 'v*' and REF_ID is NULL and timestamp > (strftime('%s','now') - "NINETY_DAYS")",
"order by TIMESTAMP DESC",
50,
0,
},
/* Recent 50 image items */
{ "Recently Added",
"3$FF0",
NULL,
"\"3$FF0$\" || OBJECT_ID",
"\"3$FF0\"",
"o.OBJECT_ID",
"(select null from DETAILS where MIME glob 'i*' and timestamp > (strftime('%s','now') - "NINETY_DAYS") limit 50)",
"MIME glob 'i*' and REF_ID is NULL and timestamp > (strftime('%s','now') - "NINETY_DAYS")",
"order by TIMESTAMP DESC",
50,
0,
},
/* Microsoft PlaysForSure containers */
{ NULL, "4", &music_all_id, NULL, NULL, NULL, NULL, NULL, NULL, -1, FLAG_MS_PFS },
{ NULL, "5", &music_genre_id, NULL, NULL, NULL, NULL, NULL, NULL, -1, FLAG_MS_PFS },
{ NULL, "6", &music_artist_id, NULL, NULL, NULL, NULL, NULL, NULL, -1, FLAG_MS_PFS },
{ NULL, "7", &music_album_id, NULL, NULL, NULL, NULL, NULL, NULL, -1, FLAG_MS_PFS },
{ NULL, "8", &video_all_id, NULL, NULL, NULL, NULL, NULL, NULL, -1, FLAG_MS_PFS },
{ NULL, "B", &image_all_id, NULL, NULL, NULL, NULL, NULL, NULL, -1, FLAG_MS_PFS },
{ NULL, "C", &image_date_id, NULL, NULL, NULL, NULL, NULL, NULL, -1, FLAG_MS_PFS },
{ NULL, "F", &music_plist_id, NULL, NULL, NULL, NULL, NULL, NULL, -1, FLAG_MS_PFS },
{ NULL, "14", &music_dir_id, NULL, NULL, NULL, NULL, NULL, NULL, -1, FLAG_MS_PFS },
{ NULL, "15", &video_dir_id, NULL, NULL, NULL, NULL, NULL, NULL, -1, FLAG_MS_PFS },
{ NULL, "16", &image_dir_id, NULL, NULL, NULL, NULL, NULL, NULL, -1, FLAG_MS_PFS },
{ NULL, "D2", &image_camera_id, NULL, NULL, NULL, NULL, NULL, NULL, -1, FLAG_MS_PFS },
/* Jump straight to Music on audio-only devices */
{ NULL, "0", &music_id, NULL, "0", NULL, NULL, NULL, NULL, -1, FLAG_AUDIO_ONLY },
{ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 0, 0 }
};
struct magic_container_s *
in_magic_container(const char *id, int flags, const char **real_id)
{
size_t len;
int i;
for (i = 0; magic_containers[i].objectid_match; i++)
{
if (magic_containers[i].required_flags && !(flags & magic_containers[i].required_flags))
continue;
if (magic_containers[i].objectid && !(*magic_containers[i].objectid))
continue;
DPRINTF(E_DEBUG, L_HTTP, "Checking magic container %d [%s]\n", i, magic_containers[i].objectid_match);
len = strlen(magic_containers[i].objectid_match);
if (strncmp(id, magic_containers[i].objectid_match, len) == 0)
{
if (*(id+len) == '$')
*real_id = id+len+1;
else if (*(id+len) == '\0')
*real_id = id;
else
continue;
DPRINTF(E_DEBUG, L_HTTP, "Found magic container %d [%s]\n", i, magic_containers[i].objectid_match);
return &magic_containers[i];
}
}
return NULL;
}
struct magic_container_s *
check_magic_container(const char *id, int flags)
{
int i;
for (i = 0; magic_containers[i].objectid_match; i++)
{
if (magic_containers[i].required_flags && !(flags & magic_containers[i].required_flags))
continue;
if (magic_containers[i].objectid && !(*magic_containers[i].objectid))
continue;
DPRINTF(E_DEBUG, L_HTTP, "Checking magic container %d [%s]\n", i, magic_containers[i].objectid_match);
if (strcmp(id, magic_containers[i].objectid_match) == 0)
{
DPRINTF(E_DEBUG, L_HTTP, "Found magic container %d [%s]\n", i, magic_containers[i].objectid_match);
return &magic_containers[i];
}
}
return NULL;
}