1 /*****************************************************************************
2 * audioscrobbler.c : audioscrobbler submission plugin
3 *****************************************************************************
4 * Copyright (C) 2006 the VideoLAN team
7 * Authors: Rafaël Carré <funman at videolan org>
8 * Kenneth Ostby <kenneo -at- idi -dot- ntnu -dot- no>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
25 /* audioscrobbler protocol version: 1.1
26 * http://audioscrobbler.net/wiki/Protocol1.1
29 /*****************************************************************************
31 *****************************************************************************/
41 #include <vlc_interface.h>
44 #include <vlc_block.h>
45 #include <vlc_stream.h>
47 #include <vlc_network.h>
48 #include <vlc_interface.h>
49 #include <vlc_playlist.h>
51 /*****************************************************************************
53 *****************************************************************************/
55 /* Keeps track of metadata to be submitted */
56 typedef struct audioscrobbler_song_t
58 char *psz_a; /* track artist */
59 char *psz_t; /* track title */
60 char *psz_b; /* track album */
61 int i_l; /* track length */
62 char *psz_m; /* musicbrainz id */
63 char *psz_i; /* date */
64 time_t time_playing; /* date (epoch) */
65 } audioscrobbler_song_t;
68 /* Queue to be submitted to server, 10 songs max */
69 typedef struct audioscrobbler_queue_t
71 audioscrobbler_song_t **p_queue; /* contains up to 10 songs */
72 int i_songs_nb; /* number of songs */
73 void *p_next_queue; /* if queue full, pointer to next */
74 } audioscrobbler_queue_t;
78 audioscrobbler_queue_t *p_first_queue; /* 1st queue */
79 vlc_mutex_t lock; /* p_sys mutex */
81 /* data about audioscrobbler session */
82 time_t time_next_exchange; /* when can we send data? */
83 char *psz_submit_host; /* where to submit data ? */
84 int i_submit_port; /* at which port ? */
85 char *psz_submit_file; /* in which file ? */
86 char *psz_username; /* last.fm username */
87 vlc_bool_t b_handshaked; /* did we handshake ? */
88 char *psz_response_md5; /* md5 response to use */
90 /* data about song currently playing */
91 audioscrobbler_song_t *p_current_song; /* song being played */
92 time_t time_pause; /* time when vlc paused */
93 time_t time_total_pauses; /* sum of time in pause */
94 vlc_bool_t b_queued; /* has it been queud ? */
95 vlc_bool_t b_metadata_read; /* did we read metadata ? */
96 vlc_bool_t b_paused; /* is vlc paused ? */
97 vlc_bool_t b_waiting_meta; /* we need fetched data? */
100 intf_sys_t *p_sys_global; /* to retrieve p_sys in Run() thread */
102 static int Open ( vlc_object_t * );
103 static void Close ( vlc_object_t * );
104 static void Run ( intf_thread_t * );
105 static int ItemChange ( vlc_object_t *, const char *, vlc_value_t,
106 vlc_value_t, void * );
107 static int PlayingChange( vlc_object_t *, const char *, vlc_value_t,
108 vlc_value_t, void * );
109 static int AddToQueue ( intf_thread_t *p_this );
110 static int Handshake ( intf_thread_t *p_sd );
111 static int ReadMetaData ( intf_thread_t *p_this );
112 void DeleteQueue ( audioscrobbler_queue_t *p_queue );
114 /*****************************************************************************
116 ****************************************************************************/
118 #define USERNAME_TEXT N_("Username")
119 #define USERNAME_LONGTEXT N_("The username of your last.fm account")
120 #define PASSWORD_TEXT N_("Password")
121 #define PASSWORD_LONGTEXT N_("The password of your last.fm account")
123 /* if something goes wrong, we wait at least one minute before trying again */
124 #define DEFAULT_INTERVAL 60
126 /* last.fm client identifier */
127 #define CLIENT_NAME PACKAGE
128 #define CLIENT_VERSION VERSION
130 /* HTTP POST request : to submit data */
131 #define POST_REQUEST "POST /%s HTTP/1.1\n" \
132 "Accept-Encoding: identity\n" \
133 "Content-length: %d\n" \
134 "Connection: close\n" \
135 "Content-type: application/x-www-form-urlencoded\n" \
137 "User-agent: VLC Media Player/%s\r\n" \
143 #define POST_DATA "&a%%5B%d%%5D=%s&t%%5B%d%%5D=%s&b%%5B%d%%5D=%s" \
144 "&m%%5B%d%%5D=%s&l%%5B%d%%5D=%d&i%%5B%d%%5D=%s"
145 #define HTTPPOST_MAXLEN 2048
148 set_category( CAT_INTERFACE );
149 set_subcategory( SUBCAT_INTERFACE_CONTROL );
150 set_shortname( N_( "Audioscrobbler" ) );
151 set_description( N_("Audioscrobbler submission Plugin") );
152 add_string( "lastfm-username", "", NULL,
153 USERNAME_TEXT, USERNAME_LONGTEXT, VLC_FALSE );
154 add_string( "lastfm-password", "", NULL,
155 PASSWORD_TEXT, PASSWORD_LONGTEXT, VLC_FALSE );
156 set_capability( "interface", 0 );
157 set_callbacks( Open, Close );
160 /*****************************************************************************
161 * Open: initialize and create stuff
162 *****************************************************************************/
164 static int Open( vlc_object_t *p_this )
166 playlist_t *p_playlist;
167 intf_thread_t *p_intf = ( intf_thread_t* ) p_this;
168 intf_sys_t *p_sys = malloc( sizeof( intf_sys_t ) );
171 free( p_sys->p_current_song ); \
172 free( p_sys->p_first_queue ); \
173 free( p_sys->psz_response_md5 ); \
183 p_intf->p_sys = p_sys;
185 vlc_mutex_init( p_this, &p_sys->lock );
187 p_sys_global = p_sys;
188 p_sys->psz_submit_host = NULL;
189 p_sys->psz_submit_file = NULL;
190 p_sys->b_handshaked = VLC_FALSE;
191 p_sys->time_next_exchange = time( NULL );
192 p_sys->psz_username = NULL;
193 p_sys->b_paused = VLC_FALSE;
195 #define MALLOC_CHECK( a ) \
197 vlc_mutex_destroy( &p_sys->lock ); \
201 /* md5 response is 32 chars, + final \0 */
202 p_sys->psz_response_md5 = malloc( 33 );
203 MALLOC_CHECK( p_sys->psz_response_md5 )
205 p_sys->p_first_queue = malloc( sizeof( audioscrobbler_queue_t ) );
206 MALLOC_CHECK( p_sys->p_first_queue )
208 p_sys->p_current_song = malloc( sizeof( audioscrobbler_song_t ) );
209 MALLOC_CHECK( p_sys->p_current_song )
210 time( &p_sys->p_current_song->time_playing );
212 /* queues can't contain more than 10 songs */
213 p_sys->p_first_queue->p_queue =
214 malloc( 10 * sizeof( audioscrobbler_song_t ) );
215 MALLOC_CHECK( p_sys->p_current_song )
217 p_sys->p_first_queue->i_songs_nb = 0;
218 p_sys->p_first_queue->p_next_queue = NULL;
220 p_playlist = pl_Yield( p_intf );
222 var_AddCallback( p_playlist, "playlist-current", ItemChange, p_intf );
224 pl_Release( p_playlist );
226 p_intf->pf_run = Run;
233 /*****************************************************************************
234 * Close: destroy interface stuff
235 *****************************************************************************/
236 static void Close( vlc_object_t *p_this )
238 audioscrobbler_queue_t *p_current_queue, *p_next_queue;
239 playlist_t *p_playlist;
240 input_thread_t *p_input;
241 intf_thread_t *p_intf = ( intf_thread_t* ) p_this;
242 intf_sys_t *p_sys = p_intf->p_sys;
244 p_playlist = pl_Yield( p_intf );
246 var_DelCallback( p_playlist, "playlist-current", ItemChange, p_intf );
248 p_input = p_playlist->p_input;
251 vlc_object_yield( p_input );
252 var_DelCallback( p_input, "state", PlayingChange, p_intf );
253 vlc_object_release( p_input );
257 pl_Release( p_playlist );
259 vlc_mutex_lock ( &p_sys->lock );
260 p_current_queue = p_sys->p_first_queue;
261 vlc_mutex_unlock ( &p_sys->lock );
263 while( ( p_current_queue->i_songs_nb == 10 ) &&
264 ( p_current_queue->p_next_queue != NULL ) )
266 p_next_queue = p_current_queue->p_next_queue;
267 DeleteQueue( p_current_queue );
268 free( p_current_queue );
269 p_current_queue = p_next_queue;
272 DeleteQueue( p_current_queue );
273 free( p_current_queue );
275 vlc_mutex_lock ( &p_sys->lock );
276 free( p_sys->psz_username );
277 free( p_sys->p_current_song );
278 free( p_sys->psz_submit_host );
279 free( p_sys->psz_submit_file );
280 free( p_sys->psz_response_md5 );
281 vlc_mutex_unlock ( &p_sys->lock );
282 vlc_mutex_destroy( &p_sys->lock );
286 /*****************************************************************************
287 * Run : call Handshake() then submit songs
288 *****************************************************************************/
289 static void Run( intf_thread_t *p_this )
291 char *psz_submit = NULL;
292 char *psz_submit_song = NULL;
295 playlist_t *p_playlist;
296 uint8_t *p_buffer = NULL;
297 char *p_buffer_pos = NULL;
298 audioscrobbler_queue_t *p_first_queue;
302 p_this->p_sys = p_sys_global;
303 intf_sys_t *p_sys = p_this->p_sys;
306 free( psz_submit ); \
307 free( psz_submit_song ); \
309 msg_Err( p_this, "Out of memory" ); \
312 psz_submit = malloc( HTTPPOST_MAXLEN );
313 psz_submit_song = malloc( HTTPPOST_MAXLEN );
314 p_buffer = ( uint8_t* ) malloc( 1024 );
316 if( !psz_submit || !psz_submit_song || !p_buffer )
322 while( !p_this->b_die )
324 /* verify if there is data to submit
325 * and if waiting interval is elapsed */
326 if ( ( p_sys->p_first_queue->i_songs_nb > 0 ) &&
327 ( time( NULL ) >= p_sys->time_next_exchange ) )
329 /* handshake if needed */
330 if( p_sys->b_handshaked == VLC_FALSE )
332 msg_Dbg( p_this, "Handshaking with last.fm ..." );
334 switch( Handshake( p_this ) )
341 /* username not set */
342 vlc_mutex_unlock ( &p_sys->lock );
343 intf_UserFatal( p_this, VLC_FALSE,
344 _("Last.fm username not set"),
345 _("Please set an username or disable "
346 "audioscrobbler plugin, and then restart VLC.\n"
347 "Visit https://www.last.fm/join/ to get an account")
350 free( psz_submit_song );
356 msg_Dbg( p_this, "Handshake successfull :)" );
357 vlc_mutex_lock ( &p_sys->lock );
358 p_sys->b_handshaked = VLC_TRUE;
359 vlc_mutex_unlock ( &p_sys->lock );
364 /* protocol error : we'll try later */
365 vlc_mutex_lock ( &p_sys->lock );
366 time( &p_sys->time_next_exchange );
367 p_sys->time_next_exchange += DEFAULT_INTERVAL;
368 vlc_mutex_unlock ( &p_sys->lock );
373 msg_Dbg( p_this, "Going to submit some data..." );
374 vlc_mutex_lock ( &p_sys->lock );
376 snprintf( psz_submit, HTTPPOST_MAXLEN, "u=%s&s=%s",
377 p_sys->psz_username, p_sys->psz_response_md5 );
379 /* forge the HTTP POST request */
380 for (i_song = 0 ; i_song < p_sys->p_first_queue->i_songs_nb ;
383 snprintf( psz_submit_song, HTTPPOST_MAXLEN -1, POST_DATA,
384 i_song, p_sys->p_first_queue->p_queue[i_song]->psz_a,
385 i_song, p_sys->p_first_queue->p_queue[i_song]->psz_t,
386 i_song, p_sys->p_first_queue->p_queue[i_song]->psz_b,
387 i_song, p_sys->p_first_queue->p_queue[i_song]->psz_m,
388 i_song, p_sys->p_first_queue->p_queue[i_song]->i_l,
389 i_song, p_sys->p_first_queue->p_queue[i_song]->psz_i
391 strncat( psz_submit, psz_submit_song, HTTPPOST_MAXLEN - 1 );
394 i_post_socket = net_ConnectTCP( p_this,
395 p_sys->psz_submit_host, p_sys->i_submit_port);
397 /* we transmit the data */
398 i_net_ret = net_Printf(
399 VLC_OBJECT(p_this), i_post_socket, NULL,
400 POST_REQUEST, p_sys->psz_submit_file,
401 strlen( psz_submit ), p_sys->psz_submit_file,
405 if ( i_net_ret == -1 )
407 /* If connection fails, we assume we must handshake again */
408 time( &p_sys->time_next_exchange );
409 p_sys->time_next_exchange += DEFAULT_INTERVAL;
410 p_sys->b_handshaked = VLC_FALSE;
411 vlc_mutex_unlock( &p_sys->lock );
415 memset( p_buffer, '\0', 1024 );
417 i_net_ret = net_Read( p_this, i_post_socket, NULL,
418 p_buffer, 1024, VLC_FALSE );
419 if ( i_net_ret <= 0 )
421 /* if we get no answer, something went wrong : try again */
422 vlc_mutex_unlock( &p_sys->lock );
426 net_Close( i_post_socket );
428 /* record interval */
429 p_buffer_pos = strstr( ( char * ) p_buffer, "INTERVAL" );
432 time( &p_sys->time_next_exchange );
433 p_sys->time_next_exchange += atoi( p_buffer_pos +
434 strlen( "INTERVAL " ) );
437 p_buffer_pos = strstr( ( char * ) p_buffer, "FAILED" );
440 /* woops, submission failed */
441 msg_Dbg( p_this, p_buffer_pos );
442 vlc_mutex_unlock ( &p_sys->lock );
446 p_buffer_pos = strstr( ( char * ) p_buffer, "BADAUTH" );
449 msg_Dbg( p_this, "Authentification failed, handshaking again" );
450 p_sys->b_handshaked = VLC_FALSE;
451 vlc_mutex_unlock ( &p_sys->lock );
455 p_buffer_pos = strstr( ( char * ) p_buffer, "OK" );
458 if ( p_sys->p_first_queue->i_songs_nb == 10 )
460 /* if there are more than one queue, delete the 1st */
461 p_first_queue = p_sys->p_first_queue->p_next_queue;
462 DeleteQueue( p_sys->p_first_queue );
463 free( p_sys->p_first_queue );
464 p_sys->p_first_queue = p_first_queue;
468 DeleteQueue( p_sys->p_first_queue );
469 p_sys->p_first_queue->i_songs_nb = 0;
471 msg_Dbg( p_this, "Submission successfull!" );
473 vlc_mutex_unlock ( &p_sys->lock );
474 } /* data transmission finished or skipped */
476 msleep( INTF_IDLE_SLEEP );
478 p_playlist = pl_Yield( p_this );
480 if( p_playlist->request.i_status == PLAYLIST_STOPPED )
482 /* if we stopped, we won't submit playing song */
483 vlc_mutex_lock( &p_sys->lock );
484 p_sys->b_queued = VLC_TRUE;
485 p_sys->b_metadata_read = VLC_TRUE;
486 vlc_mutex_unlock( &p_sys->lock );
489 pl_Release( p_playlist );
491 vlc_mutex_lock( &p_sys->lock );
492 if( p_sys->b_metadata_read == VLC_FALSE )
494 /* we read the metadata of the playing song */
495 time( &played_time );
496 played_time -= p_sys->p_current_song->time_playing;
497 played_time -= p_sys->time_total_pauses;
499 vlc_mutex_unlock( &p_sys->lock );
501 if( played_time > 20 )
502 /* wait at least 20 secondes before reading the meta data
503 * since the songs must be at least 30s */
505 if ( ReadMetaData( p_this ) == VLC_ENOMEM )
513 /* we add the playing song into the queue */
514 if( ( p_sys->b_queued == VLC_FALSE )
515 && ( p_sys->b_paused == VLC_FALSE ) )
517 vlc_mutex_unlock( &p_sys->lock );
518 if( AddToQueue( p_this ) == VLC_ENOMEM )
525 vlc_mutex_unlock( &p_sys->lock );
532 /*****************************************************************************
533 * PlayingChange: Playing status change callback
534 *****************************************************************************/
535 static int PlayingChange( vlc_object_t *p_this, const char *psz_var,
536 vlc_value_t oldval, vlc_value_t newval, void *p_data )
538 intf_thread_t *p_intf = ( intf_thread_t* ) p_data;
539 intf_sys_t *p_sys = p_intf->p_sys;
541 (void)p_this; (void)psz_var; (void)oldval;
543 /* don't bother if song has already been queued */
544 if( p_sys->b_queued == VLC_TRUE )
547 vlc_mutex_lock( &p_sys->lock );
549 if( newval.i_int == PAUSE_S )
551 time( &p_sys->time_pause );
552 p_sys->b_paused = VLC_TRUE;
555 else if( newval.i_int == PLAYING_S )
557 p_sys->time_total_pauses += time( NULL ) - p_sys->time_pause;
558 p_sys->b_paused = VLC_FALSE;
561 vlc_mutex_unlock( &p_sys->lock );
566 /*****************************************************************************
567 * ItemChange: Playlist item change callback
568 *****************************************************************************/
569 static int ItemChange( vlc_object_t *p_this, const char *psz_var,
570 vlc_value_t oldval, vlc_value_t newval, void *p_data )
572 playlist_t *p_playlist;
573 input_thread_t *p_input = NULL;
577 intf_thread_t *p_intf = ( intf_thread_t* ) p_data;
578 intf_sys_t *p_sys = p_intf->p_sys;
579 (void)p_this; (void)psz_var; (void)oldval; (void)newval;
581 p_playlist = pl_Yield( p_intf );
583 p_input = p_playlist->p_input;
588 pl_Release( p_playlist );
590 vlc_mutex_lock( &p_sys->lock );
592 p_sys->b_queued = VLC_TRUE;
593 p_sys->b_metadata_read = VLC_TRUE;
595 vlc_mutex_unlock( &p_sys->lock );
600 vlc_object_yield( p_input );
602 pl_Release( p_playlist );
604 var_AddCallback( p_input, "state", PlayingChange, p_intf );
606 vlc_mutex_lock ( &p_sys->lock );
608 /* reset pause counter */
609 p_sys->time_total_pauses = 0;
611 /* we'll read metadata when it's present */
612 p_sys->b_metadata_read = VLC_FALSE;
613 p_sys->b_waiting_meta = VLC_FALSE;
616 epoch_tm = gmtime( &epoch );
617 snprintf( psz_date, 20, "%.4d-%.2d-%.2d %.2d:%.2d:%.2d",
618 epoch_tm->tm_year+1900, epoch_tm->tm_mon+1, epoch_tm->tm_mday,
619 epoch_tm->tm_hour, epoch_tm->tm_min, epoch_tm->tm_sec );
621 p_sys->p_current_song->psz_i = encode_URI_component( psz_date );
622 p_sys->p_current_song->time_playing = epoch;
624 p_sys->b_paused = ( p_input->b_dead || !input_GetItem(p_input)->psz_name )
625 ? VLC_TRUE : VLC_FALSE;
627 vlc_mutex_unlock( &p_sys->lock );
629 vlc_object_release( p_input );
633 /*****************************************************************************
634 * AddToQueue: Add the played song to the queue to be submitted
635 *****************************************************************************/
636 static int AddToQueue ( intf_thread_t *p_this )
640 audioscrobbler_queue_t *p_queue = NULL,
641 *p_next_queue = NULL;
642 intf_sys_t *p_sys = p_this->p_sys;
644 /* wait for the user to listen enough before submitting */
645 time ( &played_time );
646 vlc_mutex_lock( &p_sys->lock );
648 played_time -= p_sys->p_current_song->time_playing;
649 played_time -= p_sys->time_total_pauses;
651 #define NO_SUBMISSION \
652 p_sys->b_queued = VLC_TRUE; \
653 vlc_mutex_unlock( &p_sys->lock ); \
656 if( ( played_time < 240 ) &&
657 ( played_time < ( p_sys->p_current_song->i_l / 2 ) ) )
659 //msg_Dbg( p_this, "Song not listened long enough -> waiting" );
660 vlc_mutex_unlock( &p_sys->lock );
664 if( p_sys->p_current_song->i_l < 30 )
666 msg_Dbg( p_this, "Song too short (< 30s) -> not submitting" );
670 if( !*p_sys->p_current_song->psz_a || !*p_sys->p_current_song->psz_t )
672 msg_Dbg( p_this, "Missing artist or title -> not submitting" );
676 msg_Dbg( p_this, "Ok. We'll put it in the queue for submission" );
678 /* go to last queue */
679 p_queue = p_sys->p_first_queue;
680 while( ( p_queue->i_songs_nb == 10 ) && ( p_queue->p_next_queue != NULL ) )
681 p_queue = p_queue->p_next_queue;
683 i_songs_nb = p_queue->i_songs_nb;
685 #define MALLOC_CHECK( a ) \
687 vlc_mutex_unlock( &p_sys->lock ); \
691 if( i_songs_nb == 10 )
693 p_next_queue = malloc( sizeof( audioscrobbler_queue_t ) );
694 MALLOC_CHECK( p_next_queue );
695 p_queue->p_next_queue = p_next_queue;
696 p_queue = p_next_queue;
698 p_queue->i_songs_nb = i_songs_nb;
701 p_queue->p_queue[i_songs_nb] = malloc( sizeof( audioscrobbler_song_t ) );
702 MALLOC_CHECK( p_queue->p_queue[i_songs_nb] );
704 #define QUEUE_COPY( a ) \
705 p_queue->p_queue[i_songs_nb]->a = p_sys->p_current_song->a
714 p_queue->i_songs_nb++;
715 p_sys->b_queued = VLC_TRUE;
717 vlc_mutex_unlock( &p_sys->lock );
725 /*****************************************************************************
726 * Handshake : Init audioscrobbler connection
727 *****************************************************************************/
728 static int Handshake( intf_thread_t *p_this )
730 char *psz_password = NULL;
731 struct md5_s *p_struct_md5 = NULL;
732 char *psz_password_md5 = NULL;
733 char *ps_challenge_md5 = NULL;
735 char *psz_handshake_url = NULL;
736 uint8_t *p_buffer = NULL;
737 char *p_buffer_pos = NULL;
738 char *psz_url_parser = NULL;
739 char *psz_buffer_substring;
742 intf_thread_t *p_intf = ( intf_thread_t* ) p_this;
743 intf_sys_t *p_sys = p_this->p_sys;
745 vlc_mutex_lock ( &p_sys->lock );
749 free( p_struct_md5 ); \
750 free( ps_challenge_md5 ); \
751 vlc_mutex_unlock( &p_sys->lock ); \
754 #define PROTOCOL_ERROR \
756 vlc_mutex_unlock( &p_sys->lock ); \
759 #define MALLOC_CHECK( a ) \
765 p_sys->psz_username = config_GetPsz(p_this, "lastfm-username");
766 MALLOC_CHECK( p_sys->psz_username )
768 /* username has not been setup, ignoring */
769 if ( !*p_sys->psz_username )
772 psz_handshake_url = malloc( 1024 );
773 MALLOC_CHECK( p_sys->psz_username )
775 snprintf( psz_handshake_url, 1024,
776 "http://post.audioscrobbler.com/?hs=true&p=1.1&c=%s&v=%s&u=%s",
777 CLIENT_NAME, CLIENT_VERSION, p_sys->psz_username );
779 /* send the http handshake request */
780 p_stream = stream_UrlNew( p_intf, psz_handshake_url);
782 free( psz_handshake_url );
786 vlc_mutex_unlock ( &p_sys->lock );
790 p_buffer = ( uint8_t* ) calloc( 1, 1024 );
793 stream_Delete( p_stream );
798 if ( stream_Read( p_stream, p_buffer, 1024 ) == 0 )
800 stream_Delete( p_stream );
804 stream_Delete( p_stream );
806 /* record interval before next submission */
807 p_buffer_pos = strstr( ( char* ) p_buffer, "INTERVAL" );
810 time( &p_sys->time_next_exchange );
811 p_sys->time_next_exchange +=
812 atoi( p_buffer_pos + strlen( "INTERVAL " ) );
815 p_buffer_pos = strstr( ( char* ) p_buffer, "FAILED" );
818 /* handshake request failed, sorry */
819 msg_Dbg( p_this, p_buffer_pos );
823 p_buffer_pos = strstr( ( char* ) p_buffer, "BADUSER" );
826 /* username does not exist on the server */
827 intf_UserFatal( p_this, VLC_FALSE, _("Bad last.fm Username"),
828 _("last.fm username is incorrect, please verify your settings")
833 p_buffer_pos = strstr( ( char* ) p_buffer, "UPDATE" );
836 /* protocol has been updated, time to update the code */
837 msg_Dbg( p_intf, "Protocol updated : plugin may be outdated" );
838 msg_Dbg( p_intf, p_buffer_pos );
843 p_buffer_pos = strstr( ( char* ) p_buffer, "UPTODATE" );
846 msg_Dbg( p_intf, "Can't recognize server protocol" );
851 psz_buffer_substring = strstr( p_buffer_pos, "\n" );
852 if( ( psz_buffer_substring == NULL ) || \
853 ( strlen( psz_buffer_substring + 1 ) < 32 ) )
855 msg_Dbg( p_intf, "Can't recognize server protocol" );
860 ps_challenge_md5 = malloc( 32 );
861 MALLOC_CHECK( ps_challenge_md5 )
862 memcpy( ps_challenge_md5, psz_buffer_substring + 1, 32 );
865 p_buffer_pos = ( void* ) strstr( ( char* ) p_buffer, "http://" );
867 /* free old information */
868 free( p_sys->psz_submit_host );
869 free( p_sys->psz_submit_file );
871 psz_url_parser = p_buffer_pos + strlen( "http://" );
872 i_url_pos = strcspn( psz_url_parser, ":" );
874 p_sys->psz_submit_host = strndup( psz_url_parser, i_url_pos );
875 MALLOC_CHECK( p_sys->psz_submit_host )
877 p_sys->i_submit_port = atoi( psz_url_parser + i_url_pos + 1 );
879 psz_url_parser += strcspn( psz_url_parser , "/" ) + 1;
880 i_url_pos = strcspn( psz_url_parser, "\n" );
881 p_sys->psz_submit_file = strndup( psz_url_parser, i_url_pos );
882 MALLOC_CHECK( p_sys->psz_submit_file )
886 p_struct_md5 = malloc( sizeof( struct md5_s ) );
887 MALLOC_CHECK( p_struct_md5 )
889 psz_password = config_GetPsz(p_this, "lastfm-password");
890 MALLOC_CHECK( psz_password )
892 /* generates a md5 hash of the password */
893 InitMD5( p_struct_md5 );
894 AddMD5( p_struct_md5, ( uint8_t* ) psz_password, strlen( psz_password ) );
895 EndMD5( p_struct_md5 );
897 free( psz_password );
899 psz_password_md5 = malloc ( 33 );
900 MALLOC_CHECK( psz_password_md5 )
902 for ( i = 0; i < 4; i++ )
904 sprintf( &psz_password_md5[8*i], "%02x%02x%02x%02x",
905 p_struct_md5->p_digest[i] & 0xff,
906 ( p_struct_md5->p_digest[i] >> 8 ) & 0xff,
907 ( p_struct_md5->p_digest[i] >> 16 ) & 0xff,
908 p_struct_md5->p_digest[i] >> 24
912 /* generates a md5 hash of :
913 * - md5 hash of the password, plus
914 * - md5 challenge sent by last.fm server
916 InitMD5( p_struct_md5 );
917 AddMD5( p_struct_md5, ( uint8_t* ) psz_password_md5, 32 );
918 AddMD5( p_struct_md5, ( uint8_t* ) ps_challenge_md5, 32 );
919 EndMD5( p_struct_md5 );
921 free( ps_challenge_md5 );
922 free( psz_password_md5 );
924 for ( i = 0; i < 4; i++ )
926 sprintf( &p_sys->psz_response_md5[8*i], "%02x%02x%02x%02x",
927 p_struct_md5->p_digest[i] & 0xff,
928 ( p_struct_md5->p_digest[i] >> 8 ) & 0xff,
929 ( p_struct_md5->p_digest[i] >> 16 ) & 0xff,
930 p_struct_md5->p_digest[i] >> 24
934 p_sys->psz_response_md5[32] = '\0';
936 vlc_mutex_unlock ( &p_sys->lock );
940 #undef PROTOCOL_ERROR
944 /*****************************************************************************
945 * DeleteQueue : Free all songs from an audioscrobbler_queue_t
946 *****************************************************************************/
947 void DeleteQueue( audioscrobbler_queue_t *p_queue )
951 for( i = 0; i < p_queue->i_songs_nb; i++ )
953 free( p_queue->p_queue[i]->psz_a );
954 free( p_queue->p_queue[i]->psz_b );
955 free( p_queue->p_queue[i]->psz_t );
956 free( p_queue->p_queue[i]->psz_i );
957 free( p_queue->p_queue[i] );
961 /*****************************************************************************
962 * ReadMetaData : Read meta data when parsed by vlc
963 * or wait for fetching if unavailable
964 *****************************************************************************/
965 static int ReadMetaData( intf_thread_t *p_this )
967 playlist_t *p_playlist;
968 input_thread_t *p_input = NULL;
969 vlc_value_t video_val;
971 char *psz_title = NULL;
972 char *psz_artist = NULL;
973 char *psz_album = NULL;
974 char *psz_trackid = NULL;
976 vlc_bool_t b_waiting;
977 intf_sys_t *p_sys = p_this->p_sys;
980 p_playlist = pl_Yield( p_this );
982 p_input = p_playlist->p_input;
987 pl_Release( p_playlist );
988 return( VLC_SUCCESS );
991 vlc_object_yield( p_input );
993 pl_Release( p_playlist );
995 var_Change( p_input, "video-es", VLC_VAR_CHOICESCOUNT, &video_val, NULL );
996 if( ( video_val.i_int > 0 ) || \
997 ( input_GetItem(p_input)->i_type == ITEM_TYPE_NET ) )
999 msg_Dbg( p_this, "Not an audio only local file -> no submission");
1000 vlc_object_release( p_input );
1002 vlc_mutex_lock( &p_sys->lock );
1003 p_sys->b_queued = VLC_TRUE;
1004 p_sys->b_metadata_read = VLC_TRUE;
1005 vlc_mutex_unlock( &p_sys->lock );
1010 #define FREE_INPUT_AND_CHARS \
1011 vlc_object_release( p_input ); \
1012 free( psz_title ); \
1013 free( psz_artist ); \
1014 free( psz_album ); \
1015 free( psz_trackid );
1017 #define WAIT_METADATA_FETCHING( a ) \
1018 if ( b_waiting == VLC_TRUE ) \
1020 a = calloc( 1, 1 ); \
1024 vlc_object_release( p_input ); \
1025 vlc_mutex_lock( &p_sys->lock ); \
1026 p_sys->b_waiting_meta = VLC_TRUE; \
1027 vlc_mutex_unlock( &p_sys->lock ); \
1028 free( psz_artist ); \
1029 return VLC_SUCCESS; \
1032 #define ALLOC_ITEM_META( a, b ) \
1033 if ( input_GetItem(p_input)->b ) \
1035 a = encode_URI_component( \
1036 input_GetItem(p_input)->b ); \
1039 FREE_INPUT_AND_CHARS \
1040 return VLC_ENOMEM; \
1044 i_status = input_GetItem(p_input)->p_meta->i_status;
1046 b_waiting = VLC_TRUE;
1047 /* TODO: meta data fetching doesn't work atm
1048 vlc_mutex_lock( &p_sys->lock );
1049 b_waiting = p_sys->b_waiting_meta;
1050 vlc_mutex_unlock( &p_sys->lock );
1053 /* TODO: item preparsing is buggy on drag&drop and command line arguments
1054 if( i_status & ( !b_waiting ? ITEM_PREPARSED : ITEM_META_FETCHED ) )
1058 ALLOC_ITEM_META( psz_artist, p_meta->psz_artist )
1061 msg_Dbg( p_this, "No artist.." );
1062 WAIT_METADATA_FETCHING( psz_artist )
1065 ALLOC_ITEM_META( psz_title, psz_name )
1068 msg_Dbg( p_this, "No track name.." );
1069 WAIT_METADATA_FETCHING( psz_title );
1072 ALLOC_ITEM_META( psz_album, p_meta->psz_album )
1074 psz_album = calloc( 1, 1 );
1076 ALLOC_ITEM_META( psz_trackid, p_meta->psz_trackid )
1078 psz_trackid = calloc( 1, 1 );
1080 i_length = input_GetItem(p_input)->i_duration / 1000000;
1082 vlc_mutex_lock ( &p_sys->lock );
1084 p_sys->p_current_song->psz_a = strdup( psz_artist );
1085 p_sys->p_current_song->psz_t = strdup( psz_title );
1086 p_sys->p_current_song->psz_b = strdup( psz_album );
1087 p_sys->p_current_song->psz_m = strdup( psz_trackid );
1088 p_sys->p_current_song->i_l = i_length;
1089 p_sys->b_queued = VLC_FALSE;
1090 p_sys->b_metadata_read = VLC_TRUE;
1092 vlc_mutex_unlock( &p_sys->lock );
1094 msg_Dbg( p_this, "Meta data registered, waiting to be queued" );
1097 FREE_INPUT_AND_CHARS
1099 #undef FREE_INPUT_AND_CHARS
1100 #undef ALLOC_ITEM_META
1101 #undef WAIT_METADATA_FETCHING