1 /*****************************************************************************
2  * vlmshell.c: VLM interface plugin
3  *****************************************************************************
4  * Copyright (C) 2000-2005 VLC authors and VideoLAN
5  * $Id: 51e6a123254a9224c59f7ef3b139860ab5da862a $
6  *
7  * Authors: Simon Latapie <garf@videolan.org>
8  *          Laurent Aimar <fenrir@videolan.org>
9  *          Gildas Bazin <gbazin@videolan.org>
10  *
11  * This program is free software; you can redistribute it and/or modify it
12  * under the terms of the GNU Lesser General Public License as published by
13  * the Free Software Foundation; either version 2.1 of the License, or
14  * (at your option) any later version.
15  *
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 Lesser General Public License for more details.
20  *
21  * You should have received a copy of the GNU Lesser General Public License
22  * along with this program; if not, write to the Free Software Foundation,
23  * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
24  *****************************************************************************/
25 
26 /*****************************************************************************
27  * Preamble
28  *****************************************************************************/
29 #ifdef HAVE_CONFIG_H
30 # include "config.h"
31 #endif
32 
33 #include <vlc_common.h>
34 
35 #include <stdio.h>
36 #include <ctype.h>                                              /* tolower() */
37 #include <assert.h>
38 
39 #include <vlc_vlm.h>
40 
41 #ifdef ENABLE_VLM
42 
43 #include <time.h>                                                 /* ctime() */
44 #include <limits.h>
45 #include <fcntl.h>
46 #include <sys/stat.h>
47 
48 #include <vlc_input.h>
49 #include "input_internal.h"
50 #include <vlc_stream.h>
51 #include "vlm_internal.h"
52 #include <vlc_charset.h>
53 #include <vlc_fs.h>
54 #include <vlc_sout.h>
55 #include <vlc_memstream.h>
56 #include "../stream_output/stream_output.h"
57 #include "../libvlc.h"
58 
59 /*****************************************************************************
60  * Local prototypes.
61  *****************************************************************************/
62 
63 /* */
64 static vlm_message_t *vlm_Show( vlm_t *, vlm_media_sys_t *, vlm_schedule_sys_t *, const char * );
65 
66 static vlm_schedule_sys_t *vlm_ScheduleSearch( vlm_t *, const char * );
67 
68 static char *Save( vlm_t * );
69 static int Load( vlm_t *, char * );
70 
71 static vlm_schedule_sys_t *vlm_ScheduleNew( vlm_t *vlm, const char *psz_name );
72 static int vlm_ScheduleSetup( vlm_schedule_sys_t *schedule, const char *psz_cmd,
73                               const char *psz_value );
74 
75 /* */
76 static vlm_media_sys_t *vlm_MediaSearch( vlm_t *, const char *);
77 
78 static const char quotes[] = "\"'";
79 /**
80  * FindCommandEnd: look for the end of a possibly quoted string
81  * @return NULL on mal-formatted string,
82  * pointer past the last character otherwise.
83  */
FindCommandEnd(const char * psz_sent)84 static const char *FindCommandEnd( const char *psz_sent )
85 {
86     unsigned char c, quote = 0;
87 
88     while( (c = *psz_sent) != '\0' )
89     {
90         if( !quote )
91         {
92             if( strchr(quotes,c) )   // opening quote
93                 quote = c;
94             else if( isspace(c) )         // non-escaped space
95                 return psz_sent;
96             else if( c == '\\' )
97             {
98                 psz_sent++;         // skip escaped character
99                 if( *psz_sent == '\0' )
100                     return psz_sent;
101             }
102         }
103         else
104         {
105             if( c == quote )         // non-escaped matching quote
106                 quote = 0;
107             else if( (quote == '"') && (c == '\\') )
108             {
109                 psz_sent++;         // skip escaped character
110                 if (*psz_sent == '\0')
111                     return NULL;    // error, closing quote missing
112             }
113         }
114         psz_sent++;
115     }
116 
117     // error (NULL) if we could not find a matching quote
118     return quote ? NULL : psz_sent;
119 }
120 
121 
122 /**
123  * Unescape a nul-terminated string.
124  * Note that in and out can be identical.
125  *
126  * @param out output buffer (at least <strlen (in) + 1> characters long)
127  * @param in nul-terminated string to be unescaped
128  *
129  * @return 0 on success, -1 on error.
130  */
Unescape(char * out,const char * in)131 static int Unescape( char *out, const char *in )
132 {
133     unsigned char c, quote = 0;
134     bool param = false;
135 
136     while( (c = *in++) != '\0' )
137     {
138         // Don't escape the end of the string if we find a '#'
139         // that's the beginning of a vlc command
140         // TODO: find a better solution
141         if( ( c == '#' && !quote ) || param )
142         {
143             param = true;
144             *out++ = c;
145             continue;
146         }
147 
148         if( !quote )
149         {
150             if (strchr(quotes,c))   // opening quote
151             {
152                 quote = c;
153                 continue;
154             }
155             else if( c == '\\' )
156             {
157                 switch (c = *in++)
158                 {
159                     case '"':
160                     case '\'':
161                     case '\\':
162                         *out++ = c;
163                         continue;
164 
165                     case '\0':
166                         *out = '\0';
167                         return 0;
168                 }
169                 if( isspace(c) )
170                 {
171                     *out++ = c;
172                     continue;
173                 }
174                 /* None of the special cases - copy the backslash */
175                 *out++ = '\\';
176             }
177         }
178         else
179         {
180             if( c == quote )         // non-escaped matching quote
181             {
182                 quote = 0;
183                 continue;
184             }
185             if( (quote == '"') && (c == '\\') )
186             {
187                 switch( c = *in++ )
188                 {
189                     case '"':
190                     case '\\':
191                         *out++ = c;
192                         continue;
193 
194                     case '\0':   // should never happen
195                         *out = '\0';
196                         return -1;
197                 }
198                 /* None of the special cases - copy the backslash */
199                 *out++ = '\\';
200             }
201         }
202         *out++ = c;
203     }
204 
205     *out = '\0';
206     return 0;
207 }
208 
209 
210 /*****************************************************************************
211  * ExecuteCommand: The main state machine
212  *****************************************************************************
213  * Execute a command which ends with '\0' (string)
214  *****************************************************************************/
ExecuteSyntaxError(const char * psz_cmd,vlm_message_t ** pp_status)215 static int ExecuteSyntaxError( const char *psz_cmd, vlm_message_t **pp_status )
216 {
217     *pp_status = vlm_MessageNew( psz_cmd, "Wrong command syntax" );
218     return VLC_EGENERIC;
219 }
220 
ExecuteIsMedia(vlm_t * p_vlm,const char * psz_name)221 static bool ExecuteIsMedia( vlm_t *p_vlm, const char *psz_name )
222 {
223     int64_t id;
224 
225     if( !psz_name || vlm_ControlInternal( p_vlm, VLM_GET_MEDIA_ID, psz_name, &id ) )
226         return false;
227     return true;
228 }
ExecuteIsSchedule(vlm_t * p_vlm,const char * psz_name)229 static bool ExecuteIsSchedule( vlm_t *p_vlm, const char *psz_name )
230 {
231     if( !psz_name || !vlm_ScheduleSearch( p_vlm, psz_name ) )
232         return false;
233     return true;
234 }
235 
ExecuteDel(vlm_t * p_vlm,const char * psz_name,vlm_message_t ** pp_status)236 static int ExecuteDel( vlm_t *p_vlm, const char *psz_name, vlm_message_t **pp_status )
237 {
238     vlm_media_sys_t *p_media;
239     vlm_schedule_sys_t *p_schedule;
240 
241     p_media = vlm_MediaSearch( p_vlm, psz_name );
242     p_schedule = vlm_ScheduleSearch( p_vlm, psz_name );
243 
244     if( p_schedule != NULL )
245     {
246         vlm_ScheduleDelete( p_vlm, p_schedule );
247     }
248     else if( p_media != NULL )
249     {
250         vlm_ControlInternal( p_vlm, VLM_DEL_MEDIA, p_media->cfg.id );
251     }
252     else if( !strcmp(psz_name, "media") )
253     {
254         vlm_ControlInternal( p_vlm, VLM_CLEAR_MEDIAS );
255     }
256     else if( !strcmp(psz_name, "schedule") )
257     {
258         vlm_ControlInternal( p_vlm, VLM_CLEAR_SCHEDULES );
259     }
260     else if( !strcmp(psz_name, "all") )
261     {
262         vlm_ControlInternal( p_vlm, VLM_CLEAR_MEDIAS );
263         vlm_ControlInternal( p_vlm, VLM_CLEAR_SCHEDULES );
264     }
265     else
266     {
267         *pp_status = vlm_MessageNew( "del", "%s: media unknown", psz_name );
268         return VLC_EGENERIC;
269     }
270 
271     *pp_status = vlm_MessageSimpleNew( "del" );
272     return VLC_SUCCESS;
273 }
274 
ExecuteShow(vlm_t * p_vlm,const char * psz_name,vlm_message_t ** pp_status)275 static int ExecuteShow( vlm_t *p_vlm, const char *psz_name, vlm_message_t **pp_status )
276 {
277     vlm_media_sys_t *p_media;
278     vlm_schedule_sys_t *p_schedule;
279 
280     if( !psz_name )
281     {
282         *pp_status = vlm_Show( p_vlm, NULL, NULL, NULL );
283         return VLC_SUCCESS;
284     }
285 
286     p_media = vlm_MediaSearch( p_vlm, psz_name );
287     p_schedule = vlm_ScheduleSearch( p_vlm, psz_name );
288 
289     if( p_schedule != NULL )
290         *pp_status = vlm_Show( p_vlm, NULL, p_schedule, NULL );
291     else if( p_media != NULL )
292         *pp_status = vlm_Show( p_vlm, p_media, NULL, NULL );
293     else
294         *pp_status = vlm_Show( p_vlm, NULL, NULL, psz_name );
295 
296     return VLC_SUCCESS;
297 }
298 
ExecuteHelp(vlm_message_t ** pp_status)299 static int ExecuteHelp( vlm_message_t **pp_status )
300 {
301     vlm_message_t *message_child;
302 
303 #define MessageAdd( a ) \
304         vlm_MessageAdd( *pp_status, vlm_MessageSimpleNew( a ) );
305 #define MessageAddChild( a ) \
306         vlm_MessageAdd( message_child, vlm_MessageSimpleNew( a ) );
307 
308     *pp_status = vlm_MessageSimpleNew( "help" );
309 
310     message_child = MessageAdd( "Commands Syntax:" );
311     MessageAddChild( "new (name) vod|broadcast|schedule [properties]" );
312     MessageAddChild( "setup (name) (properties)" );
313     MessageAddChild( "show [(name)|media|schedule]" );
314     MessageAddChild( "del (name)|all|media|schedule" );
315     MessageAddChild( "control (name) [instance_name] (command)" );
316     MessageAddChild( "save (config_file)" );
317     MessageAddChild( "export" );
318     MessageAddChild( "load (config_file)" );
319 
320     message_child = MessageAdd( "Media Proprieties Syntax:" );
321     MessageAddChild( "input (input_name)" );
322     MessageAddChild( "inputdel (input_name)|all" );
323     MessageAddChild( "inputdeln input_number" );
324     MessageAddChild( "output (output_name)" );
325     MessageAddChild( "option (option_name)[=value]" );
326     MessageAddChild( "enabled|disabled" );
327     MessageAddChild( "loop|unloop (broadcast only)" );
328     MessageAddChild( "mux (mux_name)" );
329 
330     message_child = MessageAdd( "Schedule Proprieties Syntax:" );
331     MessageAddChild( "enabled|disabled" );
332     MessageAddChild( "append (command_until_rest_of_the_line)" );
333     MessageAddChild( "date (year)/(month)/(day)-(hour):(minutes):"
334                      "(seconds)|now" );
335     MessageAddChild( "period (years_aka_12_months)/(months_aka_30_days)/"
336                      "(days)-(hours):(minutes):(seconds)" );
337     MessageAddChild( "repeat (number_of_repetitions)" );
338 
339     message_child = MessageAdd( "Control Commands Syntax:" );
340     MessageAddChild( "play [input_number]" );
341     MessageAddChild( "pause" );
342     MessageAddChild( "stop" );
343     MessageAddChild( "seek [+-](percentage) | [+-](seconds)s | [+-](milliseconds)ms" );
344 
345     return VLC_SUCCESS;
346 }
347 
ExecuteControl(vlm_t * p_vlm,const char * psz_name,const int i_arg,char ** ppsz_arg,vlm_message_t ** pp_status)348 static int ExecuteControl( vlm_t *p_vlm, const char *psz_name, const int i_arg, char ** ppsz_arg, vlm_message_t **pp_status )
349 {
350     vlm_media_sys_t *p_media;
351     const char *psz_control = NULL;
352     const char *psz_instance = NULL;
353     const char *psz_argument = NULL;
354     int i_index;
355     int i_result;
356 
357     if( !ExecuteIsMedia( p_vlm, psz_name ) )
358     {
359         *pp_status = vlm_MessageNew( "control", "%s: media unknown", psz_name );
360         return VLC_EGENERIC;
361     }
362 
363     assert( i_arg > 0 );
364 
365 #define IS(txt) ( !strcmp( ppsz_arg[i_index], (txt) ) )
366     i_index = 0;
367     if( !IS("play") && !IS("stop") && !IS("pause") && !IS("seek") )
368     {
369         i_index = 1;
370         psz_instance = ppsz_arg[0];
371 
372         if( i_index >= i_arg || ( !IS("play") && !IS("stop") && !IS("pause") && !IS("seek") ) )
373             return ExecuteSyntaxError( "control", pp_status );
374     }
375 #undef IS
376     psz_control = ppsz_arg[i_index];
377 
378     if( i_index+1 < i_arg )
379         psz_argument = ppsz_arg[i_index+1];
380 
381     p_media = vlm_MediaSearch( p_vlm, psz_name );
382     assert( p_media );
383 
384     if( !strcmp( psz_control, "play" ) )
385     {
386         int i_input_index = 0;
387         int i;
388 
389         if( ( psz_argument && sscanf(psz_argument, "%d", &i) == 1 ) && i > 0 && i-1 < p_media->cfg.i_input )
390         {
391             i_input_index = i-1;
392         }
393         else if( psz_argument )
394         {
395             int j;
396             vlm_media_t *p_cfg = &p_media->cfg;
397             for ( j=0; j < p_cfg->i_input; j++)
398             {
399                 if( !strcmp( p_cfg->ppsz_input[j], psz_argument ) )
400                 {
401                     i_input_index = j;
402                     break;
403                 }
404             }
405         }
406 
407         if( p_media->cfg.b_vod )
408             i_result = vlm_ControlInternal( p_vlm, VLM_START_MEDIA_VOD_INSTANCE, p_media->cfg.id, psz_instance, i_input_index, NULL );    // we should get here now
409         else
410             i_result = vlm_ControlInternal( p_vlm, VLM_START_MEDIA_BROADCAST_INSTANCE, p_media->cfg.id, psz_instance, i_input_index );
411     }
412     else if( !strcmp( psz_control, "seek" ) )
413     {
414         if( psz_argument )
415         {
416             bool b_relative;
417             if( psz_argument[0] == '+' || psz_argument[0] == '-' )
418                 b_relative = true;
419             else
420                 b_relative = false;
421 
422             if( strstr( psz_argument, "ms" ) || strstr( psz_argument, "s" ) )
423             {
424                 /* Time (ms or s) */
425                 int64_t i_new_time;
426 
427                 if( strstr( psz_argument, "ms" ) )
428                     i_new_time =  1000 * (int64_t)atoi( psz_argument );
429                 else
430                     i_new_time = 1000000 * (int64_t)atoi( psz_argument );
431 
432                 if( b_relative )
433                 {
434                     int64_t i_time = 0;
435                     vlm_ControlInternal( p_vlm, VLM_GET_MEDIA_INSTANCE_TIME, p_media->cfg.id, psz_instance, &i_time );
436                     i_new_time += i_time;
437                 }
438                 if( i_new_time < 0 )
439                     i_new_time = 0;
440                 i_result = vlm_ControlInternal( p_vlm, VLM_SET_MEDIA_INSTANCE_TIME, p_media->cfg.id, psz_instance, i_new_time );
441             }
442             else
443             {
444                 /* Percent */
445                 double d_new_position = us_atof( psz_argument ) / 100.0;
446 
447                 if( b_relative )
448                 {
449                     double d_position = 0.0;
450 
451                     vlm_ControlInternal( p_vlm, VLM_GET_MEDIA_INSTANCE_POSITION, p_media->cfg.id, psz_instance, &d_position );
452                     d_new_position += d_position;
453                 }
454                 if( d_new_position < 0.0 )
455                     d_new_position = 0.0;
456                 else if( d_new_position > 1.0 )
457                     d_new_position = 1.0;
458                 i_result = vlm_ControlInternal( p_vlm, VLM_SET_MEDIA_INSTANCE_POSITION, p_media->cfg.id, psz_instance, d_new_position );
459             }
460         }
461         else
462         {
463             i_result = VLC_EGENERIC;
464         }
465     }
466     else if( !strcmp( psz_control, "stop" ) )
467     {
468         i_result = vlm_ControlInternal( p_vlm, VLM_STOP_MEDIA_INSTANCE, p_media->cfg.id, psz_instance );
469     }
470     else if( !strcmp( psz_control, "pause" ) )
471     {
472         i_result = vlm_ControlInternal( p_vlm, VLM_PAUSE_MEDIA_INSTANCE, p_media->cfg.id, psz_instance );
473     }
474     else
475     {
476         i_result = VLC_EGENERIC;
477     }
478 
479     if( i_result )
480     {
481         *pp_status = vlm_MessageNew( "control", "unknown error" );
482         return VLC_SUCCESS;
483     }
484     *pp_status = vlm_MessageSimpleNew( "control" );
485     return VLC_SUCCESS;
486 }
487 
ExecuteExport(vlm_t * p_vlm,vlm_message_t ** pp_status)488 static int ExecuteExport( vlm_t *p_vlm, vlm_message_t **pp_status )
489 {
490     char *psz_export = Save( p_vlm );
491 
492     *pp_status = vlm_MessageNew( "export", "%s", psz_export );
493     free( psz_export );
494     return VLC_SUCCESS;
495 }
496 
ExecuteSave(vlm_t * p_vlm,const char * psz_file,vlm_message_t ** pp_status)497 static int ExecuteSave( vlm_t *p_vlm, const char *psz_file, vlm_message_t **pp_status )
498 {
499     FILE *f = vlc_fopen( psz_file, "wt" );
500     char *psz_save = NULL;
501 
502     if( !f )
503         goto error;
504 
505     psz_save = Save( p_vlm );
506     if( psz_save == NULL )
507         goto error;
508     if( fputs( psz_save, f ) == EOF )
509         goto error;;
510     if( fclose( f ) )
511     {
512         f = NULL;
513         goto error;
514     }
515 
516     free( psz_save );
517 
518     *pp_status = vlm_MessageSimpleNew( "save" );
519     return VLC_SUCCESS;
520 
521 error:
522     free( psz_save );
523     if( f )
524          fclose( f );
525     *pp_status = vlm_MessageNew( "save", "Unable to save to file");
526     return VLC_EGENERIC;
527 }
528 
ExecuteLoad(vlm_t * p_vlm,const char * psz_path,vlm_message_t ** pp_status)529 static int ExecuteLoad( vlm_t *p_vlm, const char *psz_path, vlm_message_t **pp_status )
530 {
531     int fd = vlc_open( psz_path, O_RDONLY|O_NONBLOCK );
532     if( fd == -1 )
533     {
534         *pp_status = vlm_MessageNew( "load", "Unable to load from file" );
535         return VLC_EGENERIC;
536     }
537 
538     struct stat st;
539     char *psz_buffer = NULL;
540 
541     if( fstat( fd, &st ) || !S_ISREG( st.st_mode )
542      || st.st_size >= SSIZE_MAX
543      || ((psz_buffer = malloc( st.st_size + 1 )) == NULL)
544      || read( fd, psz_buffer, st.st_size ) < (ssize_t)st.st_size )
545     {
546         free( psz_buffer );
547         vlc_close( fd );
548 
549         *pp_status = vlm_MessageNew( "load", "Read file error" );
550         return VLC_EGENERIC;
551     }
552 
553     vlc_close( fd );
554 
555     psz_buffer[st.st_size] = '\0';
556 
557     if( Load( p_vlm, psz_buffer ) )
558     {
559         free( psz_buffer );
560 
561         *pp_status = vlm_MessageNew( "load", "Error while loading file" );
562         return VLC_EGENERIC;
563     }
564 
565     free( psz_buffer );
566 
567     *pp_status = vlm_MessageSimpleNew( "load" );
568     return VLC_SUCCESS;
569 }
570 
ExecuteScheduleProperty(vlm_t * p_vlm,vlm_schedule_sys_t * p_schedule,bool b_new,const int i_property,char * ppsz_property[],vlm_message_t ** pp_status)571 static int ExecuteScheduleProperty( vlm_t *p_vlm, vlm_schedule_sys_t *p_schedule, bool b_new,
572                                     const int i_property, char *ppsz_property[], vlm_message_t **pp_status )
573 {
574     const char *psz_cmd = b_new ? "new" : "setup";
575     int i;
576 
577     for( i = 0; i < i_property; i++ )
578     {
579         if( !strcmp( ppsz_property[i], "enabled" ) ||
580             !strcmp( ppsz_property[i], "disabled" ) )
581         {
582             if ( vlm_ScheduleSetup( p_schedule, ppsz_property[i], NULL ) )
583                 goto error;
584         }
585         else if( !strcmp( ppsz_property[i], "append" ) )
586         {
587             char *psz_line, *psz_realloc;
588             int j, i_ret = VLC_SUCCESS;
589             /* Beware: everything behind append is considered as
590              * command line */
591 
592             if( ++i >= i_property )
593                 break;
594 
595             psz_line = strdup( ppsz_property[i] );
596             if( unlikely(psz_line == NULL) )
597                 goto error;
598 
599             for( j = i+1; j < i_property; j++ )
600             {
601                 psz_realloc = realloc( psz_line,
602                                        strlen(psz_line) + strlen(ppsz_property[j]) + 1 + 1 );
603                 if( likely(psz_realloc) )
604                 {
605                     psz_line = psz_realloc;
606                     strcat( psz_line, " " );
607                     strcat( psz_line, ppsz_property[j] );
608                 }
609                 else
610                 {
611                     i_ret = VLC_ENOMEM;
612                     break;
613                 }
614             }
615 
616             if( i_ret == VLC_SUCCESS )
617                 i_ret = vlm_ScheduleSetup( p_schedule, "append", psz_line );
618             free( psz_line );
619 
620             if( i_ret )
621                 goto error;
622             break;
623         }
624         else
625         {
626             if( i + 1 >= i_property )
627             {
628                 if( b_new )
629                     vlm_ScheduleDelete( p_vlm, p_schedule );
630                 return ExecuteSyntaxError( psz_cmd, pp_status );
631             }
632 
633             if( vlm_ScheduleSetup( p_schedule, ppsz_property[i], ppsz_property[i+1] ) )
634                 goto error;
635             i++;
636         }
637     }
638     *pp_status = vlm_MessageSimpleNew( psz_cmd );
639 
640     vlc_mutex_lock( &p_vlm->lock_manage );
641     p_vlm->input_state_changed = true;
642     vlc_cond_signal( &p_vlm->wait_manage );
643     vlc_mutex_unlock( &p_vlm->lock_manage );
644 
645     return VLC_SUCCESS;
646 
647 error:
648     *pp_status = vlm_MessageNew( psz_cmd, "Error while setting the property '%s' to the schedule",
649                                  ppsz_property[i] );
650     return VLC_EGENERIC;
651 }
652 
ExecuteMediaProperty(vlm_t * p_vlm,int64_t id,bool b_new,const int i_property,char * ppsz_property[],vlm_message_t ** pp_status)653 static int ExecuteMediaProperty( vlm_t *p_vlm, int64_t id, bool b_new,
654                                  const int i_property, char *ppsz_property[], vlm_message_t **pp_status )
655 {
656     const char *psz_cmd = b_new ? "new" : "setup";
657     vlm_media_t *p_cfg = NULL;
658     int i_result;
659     int i;
660 
661 #undef ERROR
662 #undef MISSING
663 #define ERROR( txt ) do { *pp_status = vlm_MessageNew( psz_cmd, txt); goto error; } while(0)
664     if( vlm_ControlInternal( p_vlm, VLM_GET_MEDIA, id, &p_cfg ) )
665         ERROR( "unknown media" );
666 
667 #define MISSING(cmd) do { if( !psz_value ) ERROR( "missing argument for " cmd ); } while(0)
668     for( i = 0; i < i_property; i++ )
669     {
670         const char *psz_option = ppsz_property[i];
671         const char *psz_value = i+1 < i_property ? ppsz_property[i+1] :  NULL;
672 
673         if( !strcmp( psz_option, "enabled" ) )
674         {
675             p_cfg->b_enabled = true;
676         }
677         else if( !strcmp( psz_option, "disabled" ) )
678         {
679             p_cfg->b_enabled = false;
680         }
681         else if( !strcmp( psz_option, "input" ) )
682         {
683             MISSING( "input" );
684             TAB_APPEND( p_cfg->i_input, p_cfg->ppsz_input, strdup(psz_value) );
685             i++;
686         }
687         else if( !strcmp( psz_option, "inputdel" ) && psz_value && !strcmp( psz_value, "all" ) )
688         {
689             while( p_cfg->i_input > 0 )
690                 TAB_REMOVE( p_cfg->i_input, p_cfg->ppsz_input, p_cfg->ppsz_input[0] );
691             i++;
692         }
693         else if( !strcmp( psz_option, "inputdel" ) )
694         {
695             int j;
696 
697             MISSING( "inputdel" );
698 
699             for( j = 0; j < p_cfg->i_input; j++ )
700             {
701                 if( !strcmp( p_cfg->ppsz_input[j], psz_value ) )
702                 {
703                     TAB_REMOVE( p_cfg->i_input, p_cfg->ppsz_input, p_cfg->ppsz_input[j] );
704                     break;
705                 }
706             }
707             i++;
708         }
709         else if( !strcmp( psz_option, "inputdeln" ) )
710         {
711             MISSING( "inputdeln" );
712 
713             int idx = atoi( psz_value );
714             if( idx > 0 && idx <= p_cfg->i_input )
715                 TAB_REMOVE( p_cfg->i_input, p_cfg->ppsz_input, p_cfg->ppsz_input[idx-1] );
716             i++;
717         }
718         else if( !strcmp( psz_option, "output" ) )
719         {
720             MISSING( "output" );
721 
722             free( p_cfg->psz_output );
723             p_cfg->psz_output = *psz_value ? strdup( psz_value ) : NULL;
724             i++;
725         }
726         else if( !strcmp( psz_option, "option" ) )
727         {
728             MISSING( "option" );
729 
730             TAB_APPEND( p_cfg->i_option, p_cfg->ppsz_option, strdup( psz_value ) );
731             i++;
732         }
733         else if( !strcmp( psz_option, "loop" ) )
734         {
735             if( p_cfg->b_vod )
736                 ERROR( "invalid loop option for vod" );
737             p_cfg->broadcast.b_loop = true;
738         }
739         else if( !strcmp( psz_option, "unloop" ) )
740         {
741             if( p_cfg->b_vod )
742                 ERROR( "invalid unloop option for vod" );
743             p_cfg->broadcast.b_loop = false;
744         }
745         else if( !strcmp( psz_option, "mux" ) )
746         {
747             MISSING( "mux" );
748             if( !p_cfg->b_vod )
749                 ERROR( "invalid mux option for broadcast" );
750 
751             free( p_cfg->vod.psz_mux );
752             p_cfg->vod.psz_mux = *psz_value ? strdup( psz_value ) : NULL;
753             i++;
754         }
755         else
756         {
757             fprintf( stderr, "PROP: name=%s unknown\n", psz_option );
758             ERROR( "Wrong command syntax" );
759         }
760     }
761 #undef MISSING
762 #undef ERROR
763 
764     /* */
765     i_result = vlm_ControlInternal( p_vlm, VLM_CHANGE_MEDIA, p_cfg );
766     vlm_media_Delete( p_cfg );
767 
768     *pp_status = vlm_MessageSimpleNew( psz_cmd );
769     return i_result;
770 
771 error:
772     if( p_cfg )
773     {
774         if( b_new )
775             vlm_ControlInternal( p_vlm, VLM_DEL_MEDIA, p_cfg->id );
776         vlm_media_Delete( p_cfg );
777     }
778     return VLC_EGENERIC;
779 }
780 
ExecuteNew(vlm_t * p_vlm,const char * psz_name,const char * psz_type,const int i_property,char * ppsz_property[],vlm_message_t ** pp_status)781 static int ExecuteNew( vlm_t *p_vlm, const char *psz_name, const char *psz_type, const int i_property, char *ppsz_property[], vlm_message_t **pp_status )
782 {
783     /* Check name */
784     if( !strcmp( psz_name, "all" ) || !strcmp( psz_name, "media" ) || !strcmp( psz_name, "schedule" ) )
785     {
786         *pp_status = vlm_MessageNew( "new", "\"all\", \"media\" and \"schedule\" are reserved names" );
787         return VLC_EGENERIC;
788     }
789     if( ExecuteIsMedia( p_vlm, psz_name ) || ExecuteIsSchedule( p_vlm, psz_name ) )
790     {
791         *pp_status = vlm_MessageNew( "new", "%s: Name already in use", psz_name );
792         return VLC_EGENERIC;
793     }
794     /* */
795     if( !strcmp( psz_type, "schedule" ) )
796     {
797         vlm_schedule_sys_t *p_schedule = vlm_ScheduleNew( p_vlm, psz_name );
798         if( !p_schedule )
799         {
800             *pp_status = vlm_MessageNew( "new", "could not create schedule" );
801             return VLC_EGENERIC;
802         }
803         return ExecuteScheduleProperty( p_vlm, p_schedule, true, i_property, ppsz_property, pp_status );
804     }
805     else if( !strcmp( psz_type, "vod" ) || !strcmp( psz_type, "broadcast" ) )
806     {
807         vlm_media_t cfg;
808         int64_t id;
809 
810         vlm_media_Init( &cfg );
811         cfg.psz_name = strdup( psz_name );
812         cfg.b_vod = !strcmp( psz_type, "vod" );
813 
814         if( vlm_ControlInternal( p_vlm, VLM_ADD_MEDIA, &cfg, &id ) )
815         {
816             vlm_media_Clean( &cfg );
817             *pp_status = vlm_MessageNew( "new", "could not create media" );
818             return VLC_EGENERIC;
819         }
820         vlm_media_Clean( &cfg );
821         return ExecuteMediaProperty( p_vlm, id, true, i_property, ppsz_property, pp_status );
822     }
823     else
824     {
825         *pp_status = vlm_MessageNew( "new", "%s: Choose between vod, broadcast or schedule", psz_type );
826         return VLC_EGENERIC;
827     }
828 }
829 
ExecuteSetup(vlm_t * p_vlm,const char * psz_name,const int i_property,char * ppsz_property[],vlm_message_t ** pp_status)830 static int ExecuteSetup( vlm_t *p_vlm, const char *psz_name, const int i_property, char *ppsz_property[], vlm_message_t **pp_status )
831 {
832     if( ExecuteIsSchedule( p_vlm, psz_name ) )
833     {
834         vlm_schedule_sys_t *p_schedule = vlm_ScheduleSearch( p_vlm, psz_name );
835         return ExecuteScheduleProperty( p_vlm, p_schedule, false, i_property, ppsz_property, pp_status );
836     }
837     else if( ExecuteIsMedia( p_vlm, psz_name ) )
838     {
839         int64_t id;
840         if( vlm_ControlInternal( p_vlm, VLM_GET_MEDIA_ID, psz_name, &id ) )
841             goto error;
842         return ExecuteMediaProperty( p_vlm, id, false, i_property, ppsz_property, pp_status );
843     }
844 
845 error:
846     *pp_status = vlm_MessageNew( "setup", "%s unknown", psz_name );
847     return VLC_EGENERIC;
848 }
849 
ExecuteCommand(vlm_t * p_vlm,const char * psz_command,vlm_message_t ** pp_message)850 int ExecuteCommand( vlm_t *p_vlm, const char *psz_command,
851                            vlm_message_t **pp_message )
852 {
853     size_t i_command = 0;
854     size_t i_command_len = strlen( psz_command );
855     char *buf = malloc( i_command_len + 1 ), *psz_buf = buf;
856     size_t i_ppsz_command_len = (3 + (i_command_len + 1) / 2);
857     char **ppsz_command = vlc_alloc( i_ppsz_command_len, sizeof(char *) );
858     vlm_message_t *p_message = NULL;
859     int i_ret = 0;
860 
861     if( !psz_buf || !ppsz_command )
862     {
863         p_message = vlm_MessageNew( "Memory error",
864                         "allocation failed for command of length %zu",
865                         i_command_len );
866         goto error;
867     }
868 
869     /* First, parse the line and cut it */
870     while( *psz_command != '\0' )
871     {
872         const char *psz_temp;
873 
874         if(isspace ((unsigned char)*psz_command))
875         {
876             psz_command++;
877             continue;
878         }
879 
880         /* support for comments */
881         if( i_command == 0 && *psz_command == '#')
882         {
883             p_message = vlm_MessageSimpleNew( "" );
884             goto success;
885         }
886 
887         psz_temp = FindCommandEnd( psz_command );
888 
889         if( psz_temp == NULL )
890         {
891             p_message = vlm_MessageNew( "Incomplete command", "%s", psz_command );
892             goto error;
893         }
894 
895         assert (i_command < i_ppsz_command_len);
896 
897         ppsz_command[i_command] = psz_buf;
898         memcpy (psz_buf, psz_command, psz_temp - psz_command);
899         psz_buf[psz_temp - psz_command] = '\0';
900 
901         Unescape (psz_buf, psz_buf);
902 
903         i_command++;
904         psz_buf += psz_temp - psz_command + 1;
905         psz_command = psz_temp;
906 
907         assert (buf + i_command_len + 1 >= psz_buf);
908     }
909 
910     /*
911      * And then Interpret it
912      */
913 
914 #define IF_EXECUTE( name, check, cmd ) if( !strcmp(ppsz_command[0], name ) ) { if( (check) ) goto syntax_error;  if( (cmd) ) goto error; goto success; }
915     if( i_command == 0 )
916     {
917         p_message = vlm_MessageSimpleNew( "" );
918         goto success;
919     }
920     else IF_EXECUTE( "del",     (i_command != 2),   ExecuteDel(p_vlm, ppsz_command[1], &p_message) )
921     else IF_EXECUTE( "show",    (i_command > 2),    ExecuteShow(p_vlm, i_command > 1 ? ppsz_command[1] : NULL, &p_message) )
922     else IF_EXECUTE( "help",    (i_command != 1),   ExecuteHelp( &p_message ) )
923     else IF_EXECUTE( "control", (i_command < 3),    ExecuteControl(p_vlm, ppsz_command[1], i_command - 2, &ppsz_command[2], &p_message) )
924     else IF_EXECUTE( "save",    (i_command != 2),   ExecuteSave(p_vlm, ppsz_command[1], &p_message) )
925     else IF_EXECUTE( "export",  (i_command != 1),   ExecuteExport(p_vlm, &p_message) )
926     else IF_EXECUTE( "load",    (i_command != 2),   ExecuteLoad(p_vlm, ppsz_command[1], &p_message) )
927     else IF_EXECUTE( "new",     (i_command < 3),    ExecuteNew(p_vlm, ppsz_command[1], ppsz_command[2], i_command-3, &ppsz_command[3], &p_message) )
928     else IF_EXECUTE( "setup",   (i_command < 2),    ExecuteSetup(p_vlm, ppsz_command[1], i_command-2, &ppsz_command[2], &p_message) )
929     else
930     {
931         p_message = vlm_MessageNew( ppsz_command[0], "Unknown VLM command" );
932         goto error;
933     }
934 #undef IF_EXECUTE
935 
936 success:
937     *pp_message = p_message;
938     free( buf );
939     free( ppsz_command );
940     return VLC_SUCCESS;
941 
942 syntax_error:
943     i_ret = ExecuteSyntaxError( ppsz_command[0], pp_message );
944     free( buf );
945     free( ppsz_command );
946     return i_ret;
947 
948 error:
949     *pp_message = p_message;
950     free( buf );
951     free( ppsz_command );
952     return VLC_EGENERIC;
953 }
954 
955 /*****************************************************************************
956  * Media handling
957  *****************************************************************************/
vlm_MediaSearch(vlm_t * vlm,const char * psz_name)958 vlm_media_sys_t *vlm_MediaSearch( vlm_t *vlm, const char *psz_name )
959 {
960     int i;
961 
962     for( i = 0; i < vlm->i_media; i++ )
963     {
964         if( strcmp( psz_name, vlm->media[i]->cfg.psz_name ) == 0 )
965             return vlm->media[i];
966     }
967 
968     return NULL;
969 }
970 
971 /*****************************************************************************
972  * Schedule handling
973  *****************************************************************************/
vlm_ScheduleNew(vlm_t * vlm,const char * psz_name)974 static vlm_schedule_sys_t *vlm_ScheduleNew( vlm_t *vlm, const char *psz_name )
975 {
976     if( !psz_name )
977         return NULL;
978 
979     vlm_schedule_sys_t *p_sched = malloc( sizeof( vlm_schedule_sys_t ) );
980     if( !p_sched )
981         return NULL;
982 
983     p_sched->psz_name = strdup( psz_name );
984     p_sched->b_enabled = false;
985     p_sched->i_command = 0;
986     p_sched->command = NULL;
987     p_sched->date = 0;
988     p_sched->period = 0;
989     p_sched->i_repeat = -1;
990 
991     TAB_APPEND( vlm->i_schedule, vlm->schedule, p_sched );
992 
993     return p_sched;
994 }
995 
996 /* for now, simple delete. After, del with options (last arg) */
vlm_ScheduleDelete(vlm_t * vlm,vlm_schedule_sys_t * sched)997 void vlm_ScheduleDelete( vlm_t *vlm, vlm_schedule_sys_t *sched )
998 {
999     int i;
1000     if( sched == NULL ) return;
1001 
1002     TAB_REMOVE( vlm->i_schedule, vlm->schedule, sched );
1003 
1004     if( vlm->i_schedule == 0 ) free( vlm->schedule );
1005     free( sched->psz_name );
1006 
1007     for ( i = 0; i < sched->i_command; i++ )
1008         free( sched->command[i] );
1009     free( sched->command );
1010     free( sched );
1011 }
1012 
vlm_ScheduleSearch(vlm_t * vlm,const char * psz_name)1013 static vlm_schedule_sys_t *vlm_ScheduleSearch( vlm_t *vlm, const char *psz_name )
1014 {
1015     int i;
1016 
1017     for( i = 0; i < vlm->i_schedule; i++ )
1018     {
1019         if( strcmp( psz_name, vlm->schedule[i]->psz_name ) == 0 )
1020         {
1021             return vlm->schedule[i];
1022         }
1023     }
1024 
1025     return NULL;
1026 }
1027 
1028 /* Ok, setup schedule command will be able to support only one (argument value) at a time  */
vlm_ScheduleSetup(vlm_schedule_sys_t * schedule,const char * psz_cmd,const char * psz_value)1029 static int vlm_ScheduleSetup( vlm_schedule_sys_t *schedule, const char *psz_cmd,
1030                        const char *psz_value )
1031 {
1032     if( !strcmp( psz_cmd, "enabled" ) )
1033     {
1034         schedule->b_enabled = true;
1035     }
1036     else if( !strcmp( psz_cmd, "disabled" ) )
1037     {
1038         schedule->b_enabled = false;
1039     }
1040     else if( !strcmp( psz_cmd, "date" ) )
1041     {
1042         struct tm time;
1043         const char *p;
1044 
1045         time.tm_sec = 0;         /* seconds */
1046         time.tm_min = 0;         /* minutes */
1047         time.tm_hour = 0;        /* hours */
1048         time.tm_mday = 0;        /* day of the month */
1049         time.tm_mon = 0;         /* month */
1050         time.tm_year = 0;        /* year */
1051         time.tm_wday = 0;        /* day of the week */
1052         time.tm_yday = 0;        /* day in the year */
1053         time.tm_isdst = -1;       /* daylight saving time */
1054 
1055         /* date should be year/month/day-hour:minutes:seconds */
1056         p = strchr( psz_value, '-' );
1057 
1058         if( !strcmp( psz_value, "now" ) )
1059         {
1060             schedule->date = 0;
1061         }
1062         else if(p == NULL)
1063         {
1064             return 1;
1065         }
1066         else
1067         {
1068             unsigned i,j,k;
1069 
1070             switch( sscanf( p + 1, "%u:%u:%u", &i, &j, &k ) )
1071             {
1072                 case 1:
1073                     time.tm_sec = i;
1074                     break;
1075                 case 2:
1076                     time.tm_min = i;
1077                     time.tm_sec = j;
1078                     break;
1079                 case 3:
1080                     time.tm_hour = i;
1081                     time.tm_min = j;
1082                     time.tm_sec = k;
1083                     break;
1084                 default:
1085                     return 1;
1086             }
1087 
1088             switch( sscanf( psz_value, "%d/%d/%d", &i, &j, &k ) )
1089             {
1090                 case 1:
1091                     time.tm_mday = i;
1092                     break;
1093                 case 2:
1094                     time.tm_mon = i - 1;
1095                     time.tm_mday = j;
1096                     break;
1097                 case 3:
1098                     time.tm_year = i - 1900;
1099                     time.tm_mon = j - 1;
1100                     time.tm_mday = k;
1101                     break;
1102                 default:
1103                     return 1;
1104             }
1105 
1106             schedule->date = mktime(&time);
1107         }
1108     }
1109     else if( !strcmp( psz_cmd, "period" ) )
1110     {
1111         struct tm time;
1112         const char *p;
1113         const char *psz_time = NULL, *psz_date = NULL;
1114         unsigned i,j,k;
1115 
1116         /* First, if date or period are modified, repeat should be equal to -1 */
1117         schedule->i_repeat = -1;
1118 
1119         time.tm_sec = 0;         /* seconds */
1120         time.tm_min = 0;         /* minutes */
1121         time.tm_hour = 0;        /* hours */
1122         time.tm_mday = 0;        /* day of the month */
1123         time.tm_mon = 0;         /* month */
1124         time.tm_year = 0;        /* year */
1125         time.tm_wday = 0;        /* day of the week */
1126         time.tm_yday = 0;        /* day in the year */
1127         time.tm_isdst = -1;       /* daylight saving time */
1128 
1129         /* date should be year/month/day-hour:minutes:seconds */
1130         p = strchr( psz_value, '-' );
1131         if( p )
1132         {
1133             psz_date = psz_value;
1134             psz_time = p + 1;
1135         }
1136         else
1137         {
1138             psz_time = psz_value;
1139         }
1140 
1141         switch( sscanf( psz_time, "%u:%u:%u", &i, &j, &k ) )
1142         {
1143             case 1:
1144                 time.tm_sec = i;
1145                 break;
1146             case 2:
1147                 time.tm_min = i;
1148                 time.tm_sec = j;
1149                 break;
1150             case 3:
1151                 time.tm_hour = i;
1152                 time.tm_min = j;
1153                 time.tm_sec = k;
1154                 break;
1155             default:
1156                 return 1;
1157         }
1158         if( psz_date )
1159         {
1160             switch( sscanf( psz_date, "%u/%u/%u", &i, &j, &k ) )
1161             {
1162                 case 1:
1163                     time.tm_mday = i;
1164                     break;
1165                 case 2:
1166                     time.tm_mon = i;
1167                     time.tm_mday = j;
1168                     break;
1169                 case 3:
1170                     time.tm_year = i;
1171                     time.tm_mon = j;
1172                     time.tm_mday = k;
1173                     break;
1174                 default:
1175                     return 1;
1176             }
1177         }
1178 
1179         /* ok, that's stupid... who is going to schedule streams every 42 years ? */
1180         schedule->period = ((((time.tm_year * 12 + time.tm_mon) * 30
1181             + time.tm_mday) * 24 + time.tm_hour) * 60 + time.tm_min) * 60
1182             + time.tm_sec;
1183     }
1184     else if( !strcmp( psz_cmd, "repeat" ) )
1185     {
1186         int i;
1187 
1188         if( sscanf( psz_value, "%d", &i ) == 1 )
1189         {
1190             schedule->i_repeat = i;
1191         }
1192         else
1193         {
1194             return 1;
1195         }
1196     }
1197     else if( !strcmp( psz_cmd, "append" ) )
1198     {
1199         char *command = strdup( psz_value );
1200 
1201         TAB_APPEND( schedule->i_command, schedule->command, command );
1202     }
1203     else
1204     {
1205         return 1;
1206     }
1207 
1208     return 0;
1209 }
1210 
1211 /*****************************************************************************
1212  * Message handling functions
1213  *****************************************************************************/
vlm_MessageSimpleNew(const char * psz_name)1214 vlm_message_t *vlm_MessageSimpleNew( const char *psz_name )
1215 {
1216     if( !psz_name ) return NULL;
1217 
1218     vlm_message_t *p_message = malloc( sizeof(*p_message) );
1219     if( !p_message )
1220         return NULL;
1221 
1222     p_message->psz_name = strdup( psz_name );
1223     if( !p_message->psz_name )
1224     {
1225         free( p_message );
1226         return NULL;
1227     }
1228     p_message->psz_value = NULL;
1229     p_message->i_child = 0;
1230     p_message->child = NULL;
1231 
1232     return p_message;
1233 }
1234 
vlm_MessageNew(const char * psz_name,const char * psz_format,...)1235 vlm_message_t *vlm_MessageNew( const char *psz_name,
1236                                const char *psz_format, ... )
1237 {
1238     vlm_message_t *p_message = vlm_MessageSimpleNew( psz_name );
1239     va_list args;
1240 
1241     if( !p_message )
1242         return NULL;
1243 
1244     assert( psz_format );
1245     va_start( args, psz_format );
1246     if( vasprintf( &p_message->psz_value, psz_format, args ) == -1 )
1247         p_message->psz_value = NULL;
1248     va_end( args );
1249 
1250     if( !p_message->psz_value )
1251     {
1252         vlm_MessageDelete( p_message );
1253         return NULL;
1254     }
1255     return p_message;
1256 }
1257 
vlm_MessageDelete(vlm_message_t * p_message)1258 void vlm_MessageDelete( vlm_message_t *p_message )
1259 {
1260     free( p_message->psz_name );
1261     free( p_message->psz_value );
1262     while( p_message->i_child-- )
1263         vlm_MessageDelete( p_message->child[p_message->i_child] );
1264     free( p_message->child );
1265     free( p_message );
1266 }
1267 
1268 /* Add a child */
vlm_MessageAdd(vlm_message_t * p_message,vlm_message_t * p_child)1269 vlm_message_t *vlm_MessageAdd( vlm_message_t *p_message,
1270                                vlm_message_t *p_child )
1271 {
1272     if( p_message == NULL ) return NULL;
1273 
1274     if( p_child )
1275     {
1276         TAB_APPEND( p_message->i_child, p_message->child, p_child );
1277     }
1278 
1279     return p_child;
1280 }
1281 
1282 /*****************************************************************************
1283  * Misc utility functions
1284  *****************************************************************************/
vlm_ShowMedia(vlm_media_sys_t * p_media)1285 static vlm_message_t *vlm_ShowMedia( vlm_media_sys_t *p_media )
1286 {
1287     vlm_media_t *p_cfg = &p_media->cfg;
1288     vlm_message_t *p_msg;
1289     vlm_message_t *p_msg_sub;
1290     int i;
1291 
1292     p_msg = vlm_MessageSimpleNew( p_cfg->psz_name );
1293     vlm_MessageAdd( p_msg,
1294                     vlm_MessageNew( "type", p_cfg->b_vod ? "vod" : "broadcast" ) );
1295     vlm_MessageAdd( p_msg,
1296                     vlm_MessageNew( "enabled", p_cfg->b_enabled ? "yes" : "no" ) );
1297 
1298     if( p_cfg->b_vod )
1299         vlm_MessageAdd( p_msg,
1300                         vlm_MessageNew( "mux", "%s", p_cfg->vod.psz_mux ) );
1301     else
1302         vlm_MessageAdd( p_msg,
1303                         vlm_MessageNew( "loop", p_cfg->broadcast.b_loop ? "yes" : "no" ) );
1304 
1305     p_msg_sub = vlm_MessageAdd( p_msg, vlm_MessageSimpleNew( "inputs" ) );
1306     for( i = 0; i < p_cfg->i_input; i++ )
1307     {
1308         char *psz_tmp;
1309         if( asprintf( &psz_tmp, "%d", i+1 ) != -1 )
1310         {
1311             vlm_MessageAdd( p_msg_sub,
1312                        vlm_MessageNew( psz_tmp, "%s", p_cfg->ppsz_input[i] ) );
1313             free( psz_tmp );
1314         }
1315     }
1316 
1317     vlm_MessageAdd( p_msg,
1318                     vlm_MessageNew( "output", "%s", p_cfg->psz_output ? p_cfg->psz_output : "" ) );
1319 
1320     p_msg_sub = vlm_MessageAdd( p_msg, vlm_MessageSimpleNew( "options" ) );
1321     for( i = 0; i < p_cfg->i_option; i++ )
1322         vlm_MessageAdd( p_msg_sub, vlm_MessageSimpleNew( p_cfg->ppsz_option[i] ) );
1323 
1324     p_msg_sub = vlm_MessageAdd( p_msg, vlm_MessageSimpleNew( "instances" ) );
1325     for( i = 0; i < p_media->i_instance; i++ )
1326     {
1327         vlm_media_instance_sys_t *p_instance = p_media->instance[i];
1328         vlc_value_t val;
1329         vlm_message_t *p_msg_instance;
1330 
1331         val.i_int = END_S;
1332         if( p_instance->p_input )
1333             var_Get( p_instance->p_input, "state", &val );
1334 
1335         p_msg_instance = vlm_MessageAdd( p_msg_sub, vlm_MessageSimpleNew( "instance" ) );
1336 
1337         vlm_MessageAdd( p_msg_instance,
1338                         vlm_MessageNew( "name" , "%s", p_instance->psz_name ? p_instance->psz_name : "default" ) );
1339         vlm_MessageAdd( p_msg_instance,
1340                         vlm_MessageNew( "state",
1341                             val.i_int == PLAYING_S ? "playing" :
1342                             val.i_int == PAUSE_S ? "paused" :
1343                             "stopped" ) );
1344 
1345         /* FIXME should not do that this way */
1346         if( p_instance->p_input )
1347         {
1348 #define APPEND_INPUT_INFO( key, format, type ) \
1349             vlm_MessageAdd( p_msg_instance, vlm_MessageNew( key, format, \
1350                             var_Get ## type( p_instance->p_input, key ) ) )
1351             APPEND_INPUT_INFO( "position", "%f", Float );
1352             APPEND_INPUT_INFO( "time", "%"PRId64, Integer );
1353             APPEND_INPUT_INFO( "length", "%"PRId64, Integer );
1354             APPEND_INPUT_INFO( "rate", "%f", Float );
1355             APPEND_INPUT_INFO( "title", "%"PRId64, Integer );
1356             APPEND_INPUT_INFO( "chapter", "%"PRId64, Integer );
1357             APPEND_INPUT_INFO( "can-seek", "%d", Bool );
1358         }
1359 #undef APPEND_INPUT_INFO
1360         vlm_MessageAdd( p_msg_instance, vlm_MessageNew( "playlistindex",
1361                         "%d", p_instance->i_index + 1 ) );
1362     }
1363     return p_msg;
1364 }
1365 
vlm_Show(vlm_t * vlm,vlm_media_sys_t * media,vlm_schedule_sys_t * schedule,const char * psz_filter)1366 static vlm_message_t *vlm_Show( vlm_t *vlm, vlm_media_sys_t *media,
1367                                 vlm_schedule_sys_t *schedule,
1368                                 const char *psz_filter )
1369 {
1370     if( media != NULL )
1371     {
1372         vlm_message_t *p_msg = vlm_MessageSimpleNew( "show" );
1373         if( p_msg )
1374             vlm_MessageAdd( p_msg, vlm_ShowMedia( media ) );
1375         return p_msg;
1376     }
1377 
1378     else if( schedule != NULL )
1379     {
1380         int i;
1381         vlm_message_t *msg;
1382         vlm_message_t *msg_schedule;
1383         vlm_message_t *msg_child;
1384         char buffer[100];
1385 
1386         msg = vlm_MessageSimpleNew( "show" );
1387         msg_schedule =
1388             vlm_MessageAdd( msg, vlm_MessageSimpleNew( schedule->psz_name ) );
1389 
1390         vlm_MessageAdd( msg_schedule, vlm_MessageNew("type", "schedule") );
1391 
1392         vlm_MessageAdd( msg_schedule,
1393                         vlm_MessageNew( "enabled", schedule->b_enabled ?
1394                                         "yes" : "no" ) );
1395 
1396         if( schedule->date != 0 )
1397         {
1398             struct tm date;
1399 
1400             localtime_r( &schedule->date, &date);
1401             vlm_MessageAdd( msg_schedule,
1402                             vlm_MessageNew( "date", "%d/%d/%d-%d:%d:%d",
1403                                             date.tm_year + 1900, date.tm_mon + 1,
1404                                             date.tm_mday, date.tm_hour, date.tm_min,
1405                                             date.tm_sec ) );
1406         }
1407         else
1408             vlm_MessageAdd( msg_schedule, vlm_MessageNew("date", "now") );
1409 
1410         if( schedule->period != 0 )
1411         {
1412             div_t d;
1413             struct tm date;
1414 
1415             d = div(schedule->period, 60);
1416             date.tm_sec = d.rem;
1417             d = div(d.quot, 60);
1418             date.tm_min = d.rem;
1419             d = div(d.quot, 24);
1420             date.tm_hour = d.rem;
1421             /* okay, okay, months are not always 30 days long */
1422             d = div(d.quot, 30);
1423             date.tm_mday = d.rem;
1424             d = div(d.quot, 12);
1425             date.tm_mon = d.rem;
1426             date.tm_year = d.quot;
1427 
1428             sprintf( buffer, "%d/%d/%d-%d:%d:%d", date.tm_year, date.tm_mon,
1429                      date.tm_mday, date.tm_hour, date.tm_min, date.tm_sec);
1430 
1431             vlm_MessageAdd( msg_schedule, vlm_MessageNew("period", "%s", buffer) );
1432         }
1433         else
1434             vlm_MessageAdd( msg_schedule, vlm_MessageNew("period", "0") );
1435 
1436         sprintf( buffer, "%d", schedule->i_repeat );
1437         vlm_MessageAdd( msg_schedule, vlm_MessageNew( "repeat", "%s", buffer ) );
1438 
1439         msg_child =
1440             vlm_MessageAdd( msg_schedule, vlm_MessageSimpleNew("commands" ) );
1441 
1442         for( i = 0; i < schedule->i_command; i++ )
1443         {
1444            vlm_MessageAdd( msg_child,
1445                            vlm_MessageSimpleNew( schedule->command[i] ) );
1446         }
1447 
1448         return msg;
1449 
1450     }
1451 
1452     else if( psz_filter && !strcmp( psz_filter, "media" ) )
1453     {
1454         vlm_message_t *p_msg;
1455         vlm_message_t *p_msg_child;
1456         int i_vod = 0, i_broadcast = 0;
1457 
1458         for( int i = 0; i < vlm->i_media; i++ )
1459         {
1460             if( vlm->media[i]->cfg.b_vod )
1461                 i_vod++;
1462             else
1463                 i_broadcast++;
1464         }
1465 
1466         p_msg = vlm_MessageSimpleNew( "show" );
1467         p_msg_child = vlm_MessageAdd( p_msg, vlm_MessageNew( "media",
1468                                       "( %d broadcast - %d vod )", i_broadcast,
1469                                       i_vod ) );
1470 
1471         for( int i = 0; i < vlm->i_media; i++ )
1472             vlm_MessageAdd( p_msg_child, vlm_ShowMedia( vlm->media[i] ) );
1473 
1474         return p_msg;
1475     }
1476 
1477     else if( psz_filter && !strcmp( psz_filter, "schedule" ) )
1478     {
1479         int i;
1480         vlm_message_t *msg;
1481         vlm_message_t *msg_child;
1482 
1483         msg = vlm_MessageSimpleNew( "show" );
1484         msg_child = vlm_MessageAdd( msg, vlm_MessageSimpleNew( "schedule" ) );
1485 
1486         for( i = 0; i < vlm->i_schedule; i++ )
1487         {
1488             vlm_schedule_sys_t *s = vlm->schedule[i];
1489             vlm_message_t *msg_schedule;
1490             time_t now, next_date;
1491 
1492             msg_schedule = vlm_MessageAdd( msg_child,
1493                                            vlm_MessageSimpleNew( s->psz_name ) );
1494             vlm_MessageAdd( msg_schedule,
1495                             vlm_MessageNew( "enabled", s->b_enabled ?
1496                                             "yes" : "no" ) );
1497 
1498             /* calculate next date */
1499             time(&now);
1500             next_date = s->date;
1501 
1502             if( s->period != 0 )
1503             {
1504                 int j = 0;
1505                 while( ((s->date + j * s->period) <= now) &&
1506                        ( s->i_repeat > j || s->i_repeat < 0 ) )
1507                 {
1508                     j++;
1509                 }
1510 
1511                 next_date = s->date + j * s->period;
1512             }
1513 
1514             if( next_date > now )
1515             {
1516                 struct tm tm;
1517                 char psz_date[32];
1518 
1519                 strftime( psz_date, sizeof(psz_date), "%Y-%m-%d %H:%M:%S (%a)",
1520                           localtime_r( &next_date, &tm ) );
1521                 vlm_MessageAdd( msg_schedule,
1522                                 vlm_MessageNew( "next launch", "%s", psz_date ) );
1523             }
1524         }
1525 
1526         return msg;
1527     }
1528 
1529     else if( ( psz_filter == NULL ) && ( media == NULL ) && ( schedule == NULL ) )
1530     {
1531         vlm_message_t *show1 = vlm_Show( vlm, NULL, NULL, "media" );
1532         vlm_message_t *show2 = vlm_Show( vlm, NULL, NULL, "schedule" );
1533 
1534         vlm_MessageAdd( show1, show2->child[0] );
1535 
1536         /* We must destroy the parent node "show" of show2
1537          * and not the children */
1538         free( show2->child );
1539         free( show2->psz_name );
1540         free( show2 );
1541 
1542         return show1;
1543     }
1544 
1545     else
1546     {
1547         return vlm_MessageSimpleNew( "show" );
1548     }
1549 }
1550 
1551 /*****************************************************************************
1552  * Config handling functions
1553  *****************************************************************************/
Load(vlm_t * vlm,char * file)1554 static int Load( vlm_t *vlm, char *file )
1555 {
1556     char *pf = file;
1557     int  i_line = 1;
1558 
1559     while( *pf != '\0' )
1560     {
1561         vlm_message_t *message = NULL;
1562         int i_end = 0;
1563 
1564         while( pf[i_end] != '\n' && pf[i_end] != '\0' && pf[i_end] != '\r' )
1565         {
1566             i_end++;
1567         }
1568 
1569         if( pf[i_end] == '\r' || pf[i_end] == '\n' )
1570         {
1571             pf[i_end] = '\0';
1572             i_end++;
1573             if( pf[i_end] == '\n' ) i_end++;
1574         }
1575 
1576         if( *pf && ExecuteCommand( vlm, pf, &message ) )
1577         {
1578             if( message )
1579             {
1580                 if( message->psz_value )
1581                     msg_Err( vlm, "Load error on line %d: %s: %s",
1582                              i_line, message->psz_name, message->psz_value );
1583                 vlm_MessageDelete( message );
1584             }
1585             return 1;
1586         }
1587         if( message ) vlm_MessageDelete( message );
1588 
1589         pf += i_end;
1590         i_line++;
1591     }
1592 
1593     return 0;
1594 }
1595 
Save(vlm_t * vlm)1596 static char *Save( vlm_t *vlm )
1597 {
1598     const char *psz_header = "\n"
1599                              "# VLC media player VLM command batch\n"
1600                              "# http://www.videolan.org/vlc/\n\n" ;
1601 
1602     struct vlc_memstream stream;
1603 
1604     vlc_memstream_open( &stream );
1605     vlc_memstream_puts( &stream, psz_header );
1606 
1607     for( int i = 0; i < vlm->i_media; i++ )
1608     {
1609         vlm_media_sys_t *media = vlm->media[i];
1610         vlm_media_t *p_cfg = &media->cfg;
1611 
1612         vlc_memstream_printf( &stream, "new %s %s %sabled", p_cfg->psz_name,
1613                               p_cfg->b_vod ? "vod" : "broadcast",
1614                               p_cfg->b_enabled ? "en" : "dis" );
1615 
1616         if( !p_cfg->b_vod && p_cfg->broadcast.b_loop )
1617             vlc_memstream_puts( &stream, " loop" );
1618         vlc_memstream_putc( &stream, '\n' );
1619 
1620         for( int j = 0; j < p_cfg->i_input; j++ )
1621             vlc_memstream_printf( &stream, "setup %s input \"%s\"\n",
1622                                   p_cfg->psz_name, p_cfg->ppsz_input[j] );
1623 
1624         if( p_cfg->psz_output )
1625             vlc_memstream_printf( &stream, "setup %s output %s\n",
1626                                   p_cfg->psz_name, p_cfg->psz_output );
1627 
1628         for( int j = 0; j < p_cfg->i_option; j++ )
1629             vlc_memstream_printf( &stream, "setup %s option %s\n",
1630                                   p_cfg->psz_name, p_cfg->ppsz_option[j] );
1631 
1632         if( p_cfg->b_vod && p_cfg->vod.psz_mux )
1633             vlc_memstream_printf( &stream, "setup %s mux %s\n",
1634                                   p_cfg->psz_name, p_cfg->vod.psz_mux );
1635     }
1636 
1637     /* and now, the schedule scripts */
1638     for( int i = 0; i < vlm->i_schedule; i++ )
1639     {
1640         vlm_schedule_sys_t *schedule = vlm->schedule[i];
1641         struct tm tm;
1642 
1643         localtime_r( &schedule->date, &tm );
1644         vlc_memstream_printf( &stream, "new %s schedule date "
1645                               "%d/%d/%d-%d:%d:%d %sabled\n",
1646                               schedule->psz_name,
1647                               tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday,
1648                               tm.tm_hour, tm.tm_min, tm.tm_sec,
1649                               schedule->b_enabled ? "en" : "dis" );
1650 
1651         if( schedule->period != 0 )
1652         {
1653             div_t d;
1654 
1655             d = div(schedule->period, 60);
1656             tm.tm_sec = d.rem;
1657             d = div(d.quot, 60);
1658             tm.tm_min = d.rem;
1659             d = div(d.quot, 24);
1660             tm.tm_hour = d.rem;
1661             d = div(d.quot, 30);
1662             tm.tm_mday = d.rem;
1663             /* okay, okay, months are not always 30 days long */
1664             d = div(d.quot, 12);
1665             tm.tm_mon = d.rem;
1666             tm.tm_year = d.quot;
1667 
1668             vlc_memstream_printf( &stream, "setup %s "
1669                                   "period %d/%d/%d-%d:%d:%d\n",
1670                                   schedule->psz_name,
1671                                   tm.tm_year, tm.tm_mon, tm.tm_mday,
1672                                   tm.tm_hour, tm.tm_min, tm.tm_sec);
1673         }
1674 
1675         if( schedule->i_repeat >= 0 )
1676             vlc_memstream_printf( &stream, "setup %s repeat %d",
1677                                   schedule->psz_name, schedule->i_repeat );
1678         vlc_memstream_putc( &stream, '\n' );
1679 
1680         for( int j = 0; j < schedule->i_command; j++ )
1681             vlc_memstream_printf( &stream, "setup %s append %s\n",
1682                                   schedule->psz_name, schedule->command[j] );
1683     }
1684 
1685     if( vlc_memstream_close( &stream ) )
1686         return NULL;
1687     return stream.ptr;
1688 }
1689 
1690 #endif /* ENABLE_VLM */
1691