1 /*****************************************************************************
2 * mvar.c : Variables handling for the HTTP Interface
3 *****************************************************************************
4 * Copyright (C) 2001-2007 the VideoLAN team
7 * Authors: Gildas Bazin <gbazin@netcourrier.com>
8 * Laurent Aimar <fenrir@via.ecp.fr>
9 * Christophe Massiot <massiot@via.ecp.fr>
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
24 *****************************************************************************/
28 /* Utility function for scandir */
29 static int Filter( const char *foo )
31 return strcmp( foo, "." );
34 static int InsensitiveAlphasort( const char **foo1,
37 return strcasecmp( *foo1, *foo2 );
42 mvar_t *E_(mvar_New)( const char *name, const char *value )
44 mvar_t *v = malloc( sizeof( mvar_t ) );
47 v->name = strdup( name );
48 v->value = strdup( value ? value : "" );
51 v->field = malloc( sizeof( mvar_t * ) );
57 void E_(mvar_Delete)( mvar_t *v )
64 for( i = 0; i < v->i_field; i++ )
66 E_(mvar_Delete)( v->field[i] );
72 void E_(mvar_AppendVar)( mvar_t *v, mvar_t *f )
74 v->field = realloc( v->field, sizeof( mvar_t * ) * ( v->i_field + 2 ) );
75 v->field[v->i_field] = f;
79 mvar_t *E_(mvar_Duplicate)( const mvar_t *v )
84 n = E_(mvar_New)( v->name, v->value );
85 for( i = 0; i < v->i_field; i++ )
87 E_(mvar_AppendVar)( n, E_(mvar_Duplicate)( v->field[i] ) );
93 void E_(mvar_PushVar)( mvar_t *v, mvar_t *f )
95 v->field = realloc( v->field, sizeof( mvar_t * ) * ( v->i_field + 2 ) );
98 memmove( &v->field[1], &v->field[0], sizeof( mvar_t * ) * v->i_field );
104 void E_(mvar_RemoveVar)( mvar_t *v, mvar_t *f )
107 for( i = 0; i < v->i_field; i++ )
109 if( v->field[i] == f )
114 if( i >= v->i_field )
119 if( i + 1 < v->i_field )
121 memmove( &v->field[i], &v->field[i+1], sizeof( mvar_t * ) * ( v->i_field - i - 1 ) );
124 /* FIXME should do a realloc */
127 mvar_t *E_(mvar_GetVar)( mvar_t *s, const char *name )
129 /* format: name[index].field */
130 const char *field = strchr( name, '.' );
131 char base[1 + (field ? (size_t)(field - name) : strlen( name ))];
135 strlcpy( base, name, sizeof (base) );
139 if( ( p = strchr( base, '[' ) ) != NULL )
142 unsigned long l = strtoul( p, &end, 0 );
144 if( ( l > INT_MAX ) || strcmp( "]", end ) )
155 for( i = 0; i < s->i_field; i++ )
157 if( !strcmp( s->field[i]->name, base ) )
167 return E_(mvar_GetVar)( s->field[i], field );
179 char *E_(mvar_GetValue)( mvar_t *v, char *field )
187 mvar_t *f = E_(mvar_GetVar)( v, field );
199 void E_(mvar_PushNewVar)( mvar_t *vars, const char *name,
202 mvar_t *f = E_(mvar_New)( name, value );
203 E_(mvar_PushVar)( vars, f );
206 void E_(mvar_AppendNewVar)( mvar_t *vars, const char *name,
209 mvar_t *f = E_(mvar_New)( name, value );
210 E_(mvar_AppendVar)( vars, f );
214 /* arg= start[:stop[:step]],.. */
215 mvar_t *E_(mvar_IntegerSetNew)( const char *name, const char *arg )
217 char *dup = strdup( arg );
219 mvar_t *s = E_(mvar_New)( name, "set" );
224 int i_start,i_stop,i_step;
227 p = strchr( str, ',' );
234 i_match = sscanf( str, "%d:%d:%d", &i_start, &i_stop, &i_step );
241 else if( i_match == 2 )
243 i_step = i_start < i_stop ? 1 : -1;
250 if( ( i_start <= i_stop && i_step > 0 ) ||
251 ( i_start >= i_stop && i_step < 0 ) )
253 for( i = i_start; ; i += i_step )
257 if( ( i_step > 0 && i > i_stop ) ||
258 ( i_step < 0 && i < i_stop ) )
263 sprintf( value, "%d", i );
265 E_(mvar_PushNewVar)( s, name, value );
276 /********************************************************************
277 * Special sets handling
278 ********************************************************************/
280 mvar_t *E_(mvar_PlaylistSetNew)( intf_thread_t *p_intf, char *name,
283 mvar_t *s = E_(mvar_New)( name, "set" );
284 vlc_mutex_lock( &p_pl->object_lock );
285 E_(PlaylistListNode)( p_intf, p_pl, p_pl->p_root_category , name, s, 0 );
286 vlc_mutex_unlock( &p_pl->object_lock );
290 mvar_t *E_(mvar_InfoSetNew)( intf_thread_t *p_intf, char *name,
291 input_thread_t *p_input )
293 mvar_t *s = E_(mvar_New)( name, "set" );
296 if( p_input == NULL )
301 vlc_mutex_lock( &input_GetItem(p_input)->lock );
302 for ( i = 0; i < input_GetItem(p_input)->i_categories; i++ )
304 info_category_t *p_category = input_GetItem(p_input)->pp_categories[i];
307 mvar_t *cat = E_(mvar_New)( name, "set" );
308 mvar_t *iset = E_(mvar_New)( "info", "set" );
310 psz = E_(FromUTF8)( p_intf, p_category->psz_name );
311 E_(mvar_AppendNewVar)( cat, "name", psz );
313 E_(mvar_AppendVar)( cat, iset );
315 for ( j = 0; j < p_category->i_infos; j++ )
317 info_t *p_info = p_category->pp_infos[j];
318 mvar_t *info = E_(mvar_New)( "info", "" );
319 char *psz_name = E_(FromUTF8)( p_intf, p_info->psz_name );
320 char *psz_value = E_(FromUTF8)( p_intf, p_info->psz_value );
322 /* msg_Dbg( p_input, "adding info name=%s value=%s",
323 psz_name, psz_value ); */
324 E_(mvar_AppendNewVar)( info, "name", psz_name );
325 E_(mvar_AppendNewVar)( info, "value", psz_value );
328 E_(mvar_AppendVar)( iset, info );
330 E_(mvar_AppendVar)( s, cat );
332 vlc_mutex_unlock( &input_GetItem(p_input)->lock );
337 mvar_t *E_(mvar_ObjectSetNew)( intf_thread_t *p_intf, char *psz_name,
338 const char *psz_capability )
340 mvar_t *s = E_(mvar_New)( psz_name, "set" );
343 vlc_list_t *p_list = vlc_list_find( p_intf, VLC_OBJECT_MODULE,
346 for( i = 0; i < p_list->i_count; i++ )
348 module_t *p_parser = (module_t *)p_list->p_values[i].p_object;
349 if( !strcmp( p_parser->psz_capability, psz_capability ) )
351 mvar_t *sd = E_(mvar_New)( "sd", p_parser->psz_object_name );
352 E_(mvar_AppendNewVar)( sd, "name",
353 p_parser->psz_longname ? p_parser->psz_longname
354 : ( p_parser->psz_shortname ? p_parser->psz_shortname
355 : p_parser->psz_object_name ) );
356 E_(mvar_AppendVar)( s, sd );
360 vlc_list_release( p_list );
365 mvar_t *E_(mvar_InputVarSetNew)( intf_thread_t *p_intf, char *name,
366 input_thread_t *p_input,
367 const char *psz_variable )
369 intf_sys_t *p_sys = p_intf->p_sys;
370 mvar_t *s = E_(mvar_New)( name, "set" );
371 vlc_value_t val, val_list, text_list;
374 if( p_input == NULL )
379 /* Check the type of the object variable */
380 i_type = var_Type( p_sys->p_input, psz_variable );
382 /* Make sure we want to display the variable */
383 if( i_type & VLC_VAR_HASCHOICE )
385 var_Change( p_sys->p_input, psz_variable, VLC_VAR_CHOICESCOUNT, &val, NULL );
386 if( val.i_int == 0 ) return s;
387 if( (i_type & VLC_VAR_TYPE) != VLC_VAR_VARIABLE && val.i_int == 1 )
395 switch( i_type & VLC_VAR_TYPE )
399 case VLC_VAR_VARIABLE:
401 case VLC_VAR_INTEGER:
404 /* Variable doesn't exist or isn't handled */
408 if( var_Get( p_sys->p_input, psz_variable, &val ) < 0 )
413 if( var_Change( p_sys->p_input, psz_variable, VLC_VAR_GETLIST,
414 &val_list, &text_list ) < 0 )
416 if( (i_type & VLC_VAR_TYPE) == VLC_VAR_STRING ) free( val.psz_string );
420 for( i = 0; i < val_list.p_list->i_count; i++ )
422 char *psz, psz_int[16];
425 switch( i_type & VLC_VAR_TYPE )
428 itm = E_(mvar_New)( name, "set" );
429 psz = E_(FromUTF8)( p_intf, text_list.p_list->p_values[i].psz_string );
430 E_(mvar_AppendNewVar)( itm, "name", psz );
431 psz = E_(FromUTF8)( p_intf, val_list.p_list->p_values[i].psz_string );
432 E_(mvar_AppendNewVar)( itm, "id", psz );
434 snprintf( psz_int, sizeof(psz_int), "%d",
435 ( !strcmp( val.psz_string,
436 val_list.p_list->p_values[i].psz_string )
437 && !( i_type & VLC_VAR_ISCOMMAND ) ) );
438 E_(mvar_AppendNewVar)( itm, "selected", psz_int );
439 E_(mvar_AppendVar)( s, itm );
442 case VLC_VAR_INTEGER:
443 itm = E_(mvar_New)( name, "set" );
444 psz = E_(FromUTF8)( p_intf, text_list.p_list->p_values[i].psz_string );
445 E_(mvar_AppendNewVar)( itm, "name", psz );
446 snprintf( psz_int, sizeof(psz_int), "%d",
447 val_list.p_list->p_values[i].i_int );
448 E_(mvar_AppendNewVar)( itm, "id", psz_int );
449 snprintf( psz_int, sizeof(psz_int), "%d",
450 ( val.i_int == val_list.p_list->p_values[i].i_int )
451 && !( i_type & VLC_VAR_ISCOMMAND ) );
452 E_(mvar_AppendNewVar)( itm, "selected", psz_int );
453 E_(mvar_AppendVar)( s, itm );
460 /* clean up everything */
461 if( (i_type & VLC_VAR_TYPE) == VLC_VAR_STRING ) free( val.psz_string );
462 var_Change( p_sys->p_input, psz_variable, VLC_VAR_FREELIST, &val_list,
468 mvar_t *E_(mvar_HttpdInfoSetNew)( char *name, httpd_t *p_httpd, int i_type )
470 mvar_t *s = E_(mvar_New)( name, "set" );
474 if( !p_httpd->pf_control( p_httpd, i_type, &info, NULL ) )
476 for( i= 0; i < info.i_count; )
480 inf = E_(mvar_New)( name, "set" );
483 /* fprintf( stderr," mvar_HttpdInfoSetNew: append name=`%s' value=`%s'\n",
484 info.info[i].psz_name, info.info[i].psz_value ); */
485 E_(mvar_AppendNewVar)( inf,
486 info.info[i].psz_name,
487 info.info[i].psz_value );
489 } while( i < info.i_count && strcmp( info.info[i].psz_name, "id" ) );
490 E_(mvar_AppendVar)( s, inf );
495 for( i = 0; i < info.i_count; i++ )
497 free( info.info[i].psz_name );
498 free( info.info[i].psz_value );
500 if( info.i_count > 0 )
509 mvar_t *E_(mvar_FileSetNew)( intf_thread_t *p_intf, char *name,
512 mvar_t *s = E_(mvar_New)( name, "set" );
513 #ifdef HAVE_SYS_STAT_H
514 struct stat stat_info;
516 char **ppsz_dir_content;
517 int i_dir_content, i;
518 char *psz_dir = E_(RealPath)( p_intf, psz_dir );
520 #ifdef HAVE_SYS_STAT_H
521 if( (utf8_stat( psz_dir, &stat_info ) == -1 )
522 || !S_ISDIR( stat_info.st_mode )
523 # if defined( WIN32 )
524 && psz_dir[0] != '\0' && (psz_dir[0] != '\\' || psz_dir[1] != '\0')
533 /* parse psz_src dir */
534 if( ( i_dir_content = utf8_scandir( psz_dir, &ppsz_dir_content, Filter,
535 InsensitiveAlphasort ) ) == -1 )
537 msg_Warn( p_intf, "error while scanning dir %s (%s)", psz_dir,
543 for( i = 0; i < i_dir_content; i++ )
545 char *psz_dir_content = ppsz_dir_content[i];
546 char psz_tmp[strlen( psz_dir ) + 1 + strlen( psz_dir_content ) + 1];
548 char *psz_name, *psz_ext, *psz_dummy;
551 if( psz_dir[0] == '\0' || (psz_dir[0] == '\\' && psz_dir[1] == '\0') )
553 strcpy( psz_tmp, psz_dir_content );
558 sprintf( psz_tmp, "%s"DIR_SEP"%s", psz_dir, psz_dir_content );
560 #ifdef HAVE_SYS_STAT_H
561 if( utf8_stat( psz_tmp, &stat_info ) == -1 )
563 free( psz_dir_content );
568 f = E_(mvar_New)( name, "set" );
570 psz_name = E_(FromUTF8)( p_intf, psz_dir_content );
572 /* put lower-case file extension in 'ext' */
573 psz_ext = strrchr( psz_name, '.' );
574 psz_ext = strdup( psz_ext != NULL ? psz_ext + 1 : "" );
575 for( psz_dummy = psz_ext; *psz_dummy != '\0'; psz_dummy++ )
576 *psz_dummy = tolower( *psz_dummy );
578 E_(mvar_AppendNewVar)( f, "ext", psz_ext );
582 if( psz_dir[0] == '\0' || (psz_dir[0] == '\\' && psz_dir[1] == '\0') )
585 sprintf( psz_tmp, "%c:", psz_name[0] );
586 E_(mvar_AppendNewVar)( f, "name", psz_name );
587 E_(mvar_AppendNewVar)( f, "basename", psz_tmp );
588 E_(mvar_AppendNewVar)( f, "type", "directory" );
589 E_(mvar_AppendNewVar)( f, "size", "unknown" );
590 E_(mvar_AppendNewVar)( f, "date", "unknown" );
596 char psz_tmp[strlen( psz_dir ) + 1 + strlen( psz_name ) + 1];
598 sprintf( psz_tmp, "%s"DIR_SEP"%s", psz_dir, psz_name );
599 E_(mvar_AppendNewVar)( f, "name", psz_tmp );
600 E_(mvar_AppendNewVar)( f, "basename", psz_name );
602 #ifdef HAVE_SYS_STAT_H
603 if( S_ISDIR( stat_info.st_mode ) )
605 E_(mvar_AppendNewVar)( f, "type", "directory" );
607 else if( S_ISREG( stat_info.st_mode ) )
609 E_(mvar_AppendNewVar)( f, "type", "file" );
613 E_(mvar_AppendNewVar)( f, "type", "unknown" );
616 sprintf( psz_ctime, I64Fd, (int64_t)stat_info.st_size );
617 E_(mvar_AppendNewVar)( f, "size", psz_ctime );
619 /* FIXME memory leak FIXME */
621 ctime_r( &stat_info.st_mtime, psz_ctime );
622 E_(mvar_AppendNewVar)( f, "date", psz_ctime );
624 E_(mvar_AppendNewVar)( f, "date", ctime( &stat_info.st_mtime ) );
628 E_(mvar_AppendNewVar)( f, "type", "unknown" );
629 E_(mvar_AppendNewVar)( f, "size", "unknown" );
630 E_(mvar_AppendNewVar)( f, "date", "unknown" );
634 E_(mvar_AppendVar)( s, f );
637 free( psz_dir_content );
641 if( ppsz_dir_content != NULL )
642 free( ppsz_dir_content );
646 void E_(mvar_VlmSetNewLoop)( char *name, vlm_t *vlm, mvar_t *s, vlm_message_t *el, vlc_bool_t b_name );
647 void E_(mvar_VlmSetNewLoop)( char *name, vlm_t *vlm, mvar_t *s, vlm_message_t *el, vlc_bool_t b_name )
653 /* Add a node with name and info */
654 set = E_(mvar_New)( name, "set" );
655 if( b_name == VLC_TRUE )
657 E_(mvar_AppendNewVar)( set, "name", el->psz_name );
660 for( k = 0; k < el->i_child; k++ )
662 vlm_message_t *ch = el->child[k];
663 if( ch->i_child > 0 )
665 E_(mvar_VlmSetNewLoop)( ch->psz_name, vlm, set, ch, VLC_FALSE );
671 E_(mvar_AppendNewVar)( set, ch->psz_name, ch->psz_value );
675 E_(mvar_AppendNewVar)( set, el->psz_name, ch->psz_name );
680 E_(mvar_AppendVar)( s, set );
683 mvar_t *E_(mvar_VlmSetNew)( char *name, vlm_t *vlm )
685 mvar_t *s = E_(mvar_New)( name, "set" );
689 if( vlm == NULL ) return s;
691 if( vlm_ExecuteCommand( vlm, "show", &msg ) )
696 for( i = 0; i < msg->i_child; i++ )
698 /* Over media, schedule */
699 vlm_message_t *ch = msg->child[i];
702 for( j = 0; j < ch->i_child; j++ )
705 vlm_message_t *el = ch->child[j];
706 vlm_message_t *inf, *desc;
707 char psz[6 + strlen(el->psz_name)];
709 sprintf( psz, "show %s", el->psz_name );
710 if( vlm_ExecuteCommand( vlm, psz, &inf ) )
712 desc = inf->child[0];
714 E_(mvar_VlmSetNewLoop)( el->psz_name, vlm, s, desc, VLC_TRUE );
716 vlm_MessageDelete( inf );
719 vlm_MessageDelete( msg );