X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=modules%2Fmisc%2Faudioscrobbler.c;h=33c12387b199c01400e6c2e69d49278e6d56e088;hb=feead2df8278a684e64b3ee38f14c0f3a1be394e;hp=fe63dd4d5a8ed3fdb14a1e3f1b53ded7dcc89011;hpb=d4f1f65d2b381a22aa31a24174f613cc51068e7a;p=vlc diff --git a/modules/misc/audioscrobbler.c b/modules/misc/audioscrobbler.c index fe63dd4d5a..33c12387b1 100644 --- a/modules/misc/audioscrobbler.c +++ b/modules/misc/audioscrobbler.c @@ -1,11 +1,11 @@ /***************************************************************************** * audioscrobbler.c : audioscrobbler submission plugin ***************************************************************************** - * Copyright (C) 2006 the VideoLAN team + * Copyright © 2006-2011 the VideoLAN team * $Id$ * - * Authors: Rafaël Carré - * Kenneth Ostby + * Author: Rafaël Carré + * Ilkka Ollakka * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -22,541 +22,332 @@ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. *****************************************************************************/ +/* audioscrobbler protocol version: 1.2 + * http://www.audioscrobbler.net/development/protocol/ + * + * TODO: "Now Playing" feature (not mandatory) + * Update to new API? http://www.lastfm.fr/api + */ /***************************************************************************** * Preamble *****************************************************************************/ -#define _GNU_SOURCE -#include - -#if !defined( strlwr ) && !defined( WIN32 ) -#include +#ifdef HAVE_CONFIG_H +# include "config.h" #endif -#if defined( WIN32 ) #include -#endif -/* - * TODO : - * review/replace : - * hexa() - * md5 to char[] - */ -#include -#include + +#include +#include +#include +#include #include #include -#include #include #include -#include +#include +#include /***************************************************************************** * Local prototypes *****************************************************************************/ -/* Keeps track of metadata to be submitted, and if song has been submitted */ +#define QUEUE_MAX 50 + +/* Keeps track of metadata to be submitted */ typedef struct audioscrobbler_song_t { - char *psz_a; /* track artist */ - char *psz_t; /* track title */ - char *psz_b; /* track album */ - int i_l; /* track length */ -/* vlc can't retrieve musicbrainz id, so let's ignore it */ -/* int i_m; */ /* musicbrainz id */ - char *psz_i; /* date */ - time_t time_playing; /* date (epoch) */ + char *psz_a; /**< track artist */ + char *psz_t; /**< track title */ + char *psz_b; /**< track album */ + char *psz_n; /**< track number */ + int i_l; /**< track length */ + char *psz_m; /**< musicbrainz id */ + time_t date; /**< date since epoch */ + mtime_t i_start; /**< playing start */ } audioscrobbler_song_t; - -/* Queue to be submitted to server, 10 songs max */ -typedef struct audioscrobbler_queue_t -{ - audioscrobbler_song_t **p_queue; /* contains up to 10 songs */ - int i_songs_nb; /* number of songs */ - void *p_next_queue; /* if queue full, pointer to next */ -} audioscrobbler_queue_t; - struct intf_sys_t { - audioscrobbler_queue_t *p_first_queue; /* 1st queue */ - vlc_mutex_t lock; /* p_sys mutex */ - -/* data about audioscrobbler session */ - int i_interval; /* last interval recorded */ - time_t time_last_interval; /* when was it recorded ? */ - char *psz_submit_host; /* where to submit data ? */ - int i_submit_port; /* at which port ? */ - char *psz_submit_file; /* in which file ? */ - char *psz_username; /* last.fm username */ - vlc_bool_t b_handshaked; /* did we handshake ? */ - int i_post_socket; /* socket for submission */ - char *psz_response_md5; /* md5 response to use */ - -/* data about input elements */ - input_thread_t *p_input; /* previous p_input */ - audioscrobbler_song_t *p_current_song; /* song being played */ - time_t time_pause; /* time when vlc paused */ - time_t time_total_pauses; /* sum of time in pause */ - vlc_bool_t b_queued; /* has it been queud ? */ - vlc_bool_t b_metadata_read; /* did we read metadata ? */ - vlc_bool_t b_paused; /* are we playing ? */ + audioscrobbler_song_t p_queue[QUEUE_MAX]; /**< songs not submitted yet*/ + int i_songs; /**< number of songs */ + + vlc_mutex_t lock; /**< p_sys mutex */ + vlc_cond_t wait; /**< song to submit event */ + + /* submission of played songs */ + char *psz_submit_host; /**< where to submit data */ + int i_submit_port; /**< port to which submit */ + char *psz_submit_file; /**< file to which submit */ + + /* submission of playing song */ +#if 0 //NOT USED + char *psz_nowp_host; /**< where to submit data */ + int i_nowp_port; /**< port to which submit */ + char *psz_nowp_file; /**< file to which submit */ +#endif + char psz_auth_token[33]; /**< Authentication token */ + + /* data about song currently playing */ + audioscrobbler_song_t p_current_song; /**< song being played */ + + mtime_t time_pause; /**< time when vlc paused */ + mtime_t time_total_pauses; /**< total time in pause */ + + bool b_submit; /**< do we have to submit ? */ + + bool b_state_cb; /**< if we registered the + * "state" callback */ + + bool b_meta_read; /**< if we read the song's + * metadata already */ }; -intf_sys_t *p_sys_global; /* for use same p_sys in all threads */ - -static int Open ( vlc_object_t * ); -static void Close ( vlc_object_t * ); -static void Run ( intf_thread_t * ); -static int ItemChange ( vlc_object_t *, const char *, - vlc_value_t, vlc_value_t, void * ); -static int PlayingChange( vlc_object_t *, const char *, - vlc_value_t, vlc_value_t, void * ); -static int AddToQueue ( intf_thread_t *p_this ); -static int Handshake ( intf_thread_t *p_sd ); -static int ReadMetaData ( intf_thread_t *p_this ); -void DeleteQueue( audioscrobbler_queue_t *p_queue ); -char *hexa( short int i ); - -#if !defined(strlwr) && !defined( WIN32 ) -char* strlwr(char *psz_string); -#endif +static int Open (vlc_object_t *); +static void Close (vlc_object_t *); +static void Run (intf_thread_t *); /***************************************************************************** * Module descriptor ****************************************************************************/ +#define USERNAME_TEXT N_("Username") +#define USERNAME_LONGTEXT N_("The username of your last.fm account") +#define PASSWORD_TEXT N_("Password") +#define PASSWORD_LONGTEXT N_("The password of your last.fm account") +#define URL_TEXT N_("Scrobbler URL") +#define URL_LONGTEXT N_("The URL set for an alternative scrobbler engine") -#define APPLICATION_NAME "VLC media player" -#define USERNAME_TEXT N_("Username") -#define USERNAME_LONGTEXT N_("Audioscrobbler username") -#define PASSWORD_TEXT N_("Password") -#define PASSWORD_LONGTEXT N_("Audioscrobbler password") -#define DEFAULT_INTERVAL 60 +/* This error value is used when last.fm plugin has to be unloaded. */ +#define VLC_AUDIOSCROBBLER_EFATAL -69 + +/* last.fm client identifier */ #define CLIENT_NAME PACKAGE #define CLIENT_VERSION VERSION -/* HTTP POST request : to submit data */ -#define POST_REQUEST "POST /%s HTTP/1.1\n" \ - "Accept-Encoding: identity\n" \ - "Content-length: %d\n" \ - "Connection: close\n" \ - "Content-type: application/x-www-form-urlencoded\n" \ - "Host: %s\n" \ - "User-agent: VLC Media Player/%s\r\n" \ - "\r\n" \ - "%s\r\n" \ - "\r\n" - -/* data to submit */ -#define POST_DATA "u=%s&s=%s&a%%5B%d%%5D=%s&t%%5B%d%%5D=%s" \ - "&b%%5B%d%%5D=%s&m%%5B%d%%5D=&l%%5B%d%%5D=%d&i%%5B%d%%5D=%s" - -vlc_module_begin(); - set_category( CAT_INTERFACE ); - set_subcategory( SUBCAT_INTERFACE_CONTROL ); - set_shortname( N_( "Audioscrobbler" ) ); - set_description( _("Audioscrobbler submission Plugin") ); - add_string( "lastfm-username", "", NULL, - USERNAME_TEXT, USERNAME_LONGTEXT, VLC_TRUE ); - add_string( "lastfm-password", "", NULL, - PASSWORD_TEXT, PASSWORD_LONGTEXT, VLC_TRUE ); - set_capability( "interface", 0 ); - set_callbacks( Open, Close ); -vlc_module_end(); +vlc_module_begin () + set_category(CAT_INTERFACE) + set_subcategory(SUBCAT_INTERFACE_CONTROL) + set_shortname(N_("Audioscrobbler")) + set_description(N_("Submission of played songs to last.fm")) + add_string("lastfm-username", "", + USERNAME_TEXT, USERNAME_LONGTEXT, false) + add_password("lastfm-password", "", + PASSWORD_TEXT, PASSWORD_LONGTEXT, false) + add_string("scrobbler-url", "post.audioscrobbler.com", + URL_TEXT, URL_LONGTEXT, false) + set_capability("interface", 0) + set_callbacks(Open, Close) +vlc_module_end () /***************************************************************************** - * Open: initialize and create stuff + * DeleteSong : Delete the char pointers in a song *****************************************************************************/ +static void DeleteSong(audioscrobbler_song_t* p_song) +{ + FREENULL(p_song->psz_a); + FREENULL(p_song->psz_b); + FREENULL(p_song->psz_t); + FREENULL(p_song->psz_m); + FREENULL(p_song->psz_n); +} -static int Open( vlc_object_t *p_this ) +/***************************************************************************** + * ReadMetaData : Read meta data when parsed by vlc + *****************************************************************************/ +static void ReadMetaData(intf_thread_t *p_this) { - intf_thread_t *p_intf; - intf_sys_t *p_sys; - playlist_t *p_playlist; + input_thread_t *p_input; + input_item_t *p_item; - p_intf = ( intf_thread_t* ) p_this; - p_sys = malloc( sizeof( intf_sys_t ) ); - if( !p_sys ) - { - goto error; - } + intf_sys_t *p_sys = p_this->p_sys; - vlc_mutex_init( p_this, &p_sys->lock ); - - p_sys_global = p_sys; - p_sys->psz_submit_host = NULL; - p_sys->psz_submit_file = NULL; - p_sys->b_handshaked = VLC_FALSE; - p_sys->i_interval = 0; - p_sys->time_last_interval = time( NULL ); - p_sys->psz_username = NULL; - p_sys->p_input = NULL; - p_sys->b_paused = VLC_FALSE; - - /* md5 response is 32 chars, + final \0 */ - p_sys->psz_response_md5 = malloc( sizeof( char ) * 33 ); - if( !p_sys->psz_response_md5 ) - { - vlc_mutex_destroy ( &p_sys->lock ); - goto error; - } + p_input = playlist_CurrentInput(pl_Get(p_this)); + if (!p_input) + return; - p_sys->p_first_queue = malloc( sizeof( audioscrobbler_queue_t ) ); - if( !p_sys->p_first_queue ) + p_item = input_GetItem(p_input); + if (!p_item) { - vlc_mutex_destroy( &p_sys->lock ); - goto error; + vlc_object_release(p_input); + return; } - p_sys->p_current_song = malloc( sizeof( audioscrobbler_song_t ) ); - if( !p_sys->p_current_song ) +#define ALLOC_ITEM_META(a, b) do { \ + char *psz_meta = input_item_Get##b(p_item); \ + if (psz_meta && *psz_meta) \ + a = encode_URI_component(psz_meta); \ + free(psz_meta); \ + } while (0) + + vlc_mutex_lock(&p_sys->lock); + + p_sys->b_meta_read = true; + + ALLOC_ITEM_META(p_sys->p_current_song.psz_a, Artist); + if (!p_sys->p_current_song.psz_a) { - vlc_mutex_destroy( &p_sys->lock ); - goto error; + msg_Dbg(p_this, "No artist.."); + DeleteSong(&p_sys->p_current_song); + goto end; } - /* queues can't contain more than 10 songs */ - p_sys->p_first_queue->p_queue = - malloc( 10 * sizeof( audioscrobbler_song_t ) ); - if( !p_sys->p_current_song ) + ALLOC_ITEM_META(p_sys->p_current_song.psz_t, Title); + if (!p_sys->p_current_song.psz_t) { - vlc_mutex_destroy( &p_sys->lock ); - goto error; + msg_Dbg(p_this, "No track name.."); + DeleteSong(&p_sys->p_current_song); + goto end; } - p_sys->p_first_queue->i_songs_nb = 0; - p_sys->p_first_queue->p_next_queue = NULL; + /* Now we have read the mandatory meta data, so we can submit that info */ + p_sys->b_submit = true; - p_playlist = pl_Yield( p_intf ); - var_AddCallback( p_playlist, "playlist-current", ItemChange, p_intf ); - pl_Release( p_playlist ); + ALLOC_ITEM_META(p_sys->p_current_song.psz_b, Album); + if (!p_sys->p_current_song.psz_b) + p_sys->p_current_song.psz_b = calloc(1, 1); - p_intf->pf_run = Run; + ALLOC_ITEM_META(p_sys->p_current_song.psz_m, TrackID); + if (!p_sys->p_current_song.psz_m) + p_sys->p_current_song.psz_m = calloc(1, 1); - return VLC_SUCCESS; + p_sys->p_current_song.i_l = input_item_GetDuration(p_item) / 1000000; -error: - free( p_sys->p_current_song ); - free( p_sys->p_first_queue ); - free( p_sys->psz_response_md5 ); - free( p_sys ); + ALLOC_ITEM_META(p_sys->p_current_song.psz_n, TrackNum); + if (!p_sys->p_current_song.psz_n) + p_sys->p_current_song.psz_n = calloc(1, 1); +#undef ALLOC_ITEM_META - return VLC_ENOMEM; + msg_Dbg(p_this, "Meta data registered"); + +end: + vlc_mutex_unlock(&p_sys->lock); + vlc_object_release(p_input); } /***************************************************************************** - * Close: destroy interface stuff + * AddToQueue: Add the played song to the queue to be submitted *****************************************************************************/ -static void Close( vlc_object_t *p_this ) +static void AddToQueue (intf_thread_t *p_this) { - audioscrobbler_queue_t *p_current_queue, *p_next_queue; - input_thread_t *p_input; - intf_thread_t *p_intf = (intf_thread_t* ) p_this; - intf_sys_t *p_sys = p_intf->p_sys; - playlist_t *p_playlist = pl_Yield( p_intf ); + mtime_t played_time; + intf_sys_t *p_sys = p_this->p_sys; - p_playlist = pl_Yield( p_intf ); - var_DelCallback( p_playlist, "playlist-current", ItemChange, p_intf ); + vlc_mutex_lock(&p_sys->lock); + if (!p_sys->b_submit) + goto end; + + /* wait for the user to listen enough before submitting */ + played_time = mdate() - p_sys->p_current_song.i_start - + p_sys->time_total_pauses; + played_time /= 1000000; /* µs → s */ - PL_LOCK; - p_input = p_playlist->p_input; - if( p_input ) vlc_object_yield( p_input ); - PL_UNLOCK; + /*HACK: it seam that the preparsing sometime fail, + so use the playing time as the song length */ + if (p_sys->p_current_song.i_l == 0) + p_sys->p_current_song.i_l = played_time; - if( p_input ) + /* Don't send song shorter than 30s */ + if (p_sys->p_current_song.i_l < 30) { - var_DelCallback( p_input, "state", PlayingChange, p_intf ); + msg_Dbg(p_this, "Song too short (< 30s), not submitting"); + goto end; } - pl_Release( p_playlist ); - - vlc_mutex_lock ( &p_sys->lock ); - p_current_queue = p_sys->p_first_queue; - vlc_mutex_unlock ( &p_sys->lock ); - - while( ( p_current_queue->i_songs_nb == 10 ) && - ( p_current_queue->p_next_queue != NULL ) ) + /* Send if the user had listen more than 240s OR half the track length */ + if ((played_time < 240) && + (played_time < (p_sys->p_current_song.i_l / 2))) { - p_next_queue = p_current_queue->p_next_queue; - DeleteQueue( p_current_queue ); - free( p_current_queue ); - p_current_queue = p_next_queue; + msg_Dbg(p_this, "Song not listened long enough, not submitting"); + goto end; } - DeleteQueue( p_current_queue ); - free( p_current_queue ); - - vlc_mutex_lock ( &p_sys->lock ); - if ( p_sys->psz_username ) + /* Check that all meta are present */ + if (!p_sys->p_current_song.psz_a || !*p_sys->p_current_song.psz_a || + !p_sys->p_current_song.psz_t || !*p_sys->p_current_song.psz_t) { - free( p_sys->psz_username ); + msg_Dbg(p_this, "Missing artist or title, not submitting"); + goto end; } - free( p_sys->p_current_song ); - vlc_mutex_unlock ( &p_sys->lock ); - vlc_mutex_destroy( &p_sys->lock ); - free( p_sys ); -} - -/***************************************************************************** - * Run : Handshake with audioscrobbler, then submit songs - *****************************************************************************/ -static void Run( intf_thread_t *p_this ) -{ - char *psz_submit_string = NULL; - int i_handshake; - int i_netprintf; - int i_song; - playlist_t *p_playlist; - uint8_t *p_buffer = NULL; - char *p_buffer_pos = NULL; - time_t played_time; - audioscrobbler_queue_t *p_first_queue; - intf_sys_t *p_sys; - - p_this->p_sys = p_sys_global; - p_sys = p_this->p_sys; - while( !p_this->b_die ) + if (p_sys->i_songs >= QUEUE_MAX) { - if( p_sys->b_handshaked == VLC_FALSE ) - { - if ( time( NULL ) >= - ( p_sys->time_last_interval + p_sys->i_interval ) ) - { - msg_Dbg( p_this, "Handshaking with last.fm ..." ); - i_handshake = Handshake( p_this ); - - if( i_handshake == VLC_ENOMEM ) - { - msg_Err( p_this, "Out of memory" ); - return; - } - - else if( i_handshake == VLC_ENOVAR ) - /* username not set */ - { - msg_Dbg( p_this, "Set an username then restart vlc" ); - vlc_mutex_unlock ( &p_sys->lock ); - return; - } - - else if( i_handshake == VLC_SUCCESS ) - { - msg_Dbg( p_this, "Handshake successfull :)" ); - vlc_mutex_lock ( &p_sys->lock ); - p_sys->b_handshaked = VLC_TRUE; - vlc_mutex_unlock ( &p_sys->lock ); - } - - else - { - vlc_mutex_lock ( &p_sys->lock ); - p_sys->i_interval = DEFAULT_INTERVAL; - time( &p_sys->time_last_interval ); - vlc_mutex_unlock ( &p_sys->lock ); - } - } - } - - else - { - if ( ( p_sys->p_first_queue->i_songs_nb > 0 ) && - ( time( NULL ) >= - ( p_sys->time_last_interval + p_sys->i_interval ) ) ) - { - msg_Dbg( p_this, "Going to submit some data..." ); - vlc_mutex_lock ( &p_sys->lock ); - psz_submit_string = malloc( 2048 * sizeof( char ) ); - - if (!psz_submit_string) - { - msg_Err( p_this, "Out of memory" ); - vlc_mutex_unlock ( &p_sys->lock ); - return; - } - - for (i_song = 0; i_song < p_sys->p_first_queue->i_songs_nb ; - i_song++ ) - { - snprintf( psz_submit_string, 2048, POST_DATA, - p_sys->psz_username, p_sys->psz_response_md5, - i_song, p_sys->p_first_queue->p_queue[i_song]->psz_a, - i_song, p_sys->p_first_queue->p_queue[i_song]->psz_t, - i_song, p_sys->p_first_queue->p_queue[i_song]->psz_b, - i_song, - i_song, p_sys->p_first_queue->p_queue[i_song]->i_l, - i_song, p_sys->p_first_queue->p_queue[i_song]->psz_i - ); - } - - p_sys->i_post_socket = net_ConnectTCP( p_this, - p_sys->psz_submit_host, p_sys->i_submit_port); - - i_netprintf = net_Printf( - VLC_OBJECT(p_this), p_sys->i_post_socket, NULL, - POST_REQUEST, p_sys->psz_submit_file, - strlen( psz_submit_string), p_sys->psz_submit_file, - VERSION, psz_submit_string - ); - - if ( i_netprintf == -1 ) - { - /* If connection fails, we assume we must handshake again */ - p_sys->i_interval = DEFAULT_INTERVAL; - time( &p_sys->time_last_interval ); - p_sys->b_handshaked = VLC_FALSE; - vlc_mutex_unlock ( &p_sys->lock ); - return; - } - - p_buffer = ( uint8_t* ) calloc( 1, 1024 ); - if ( !p_buffer ) - { - msg_Err( p_this, "Out of memory" ); - vlc_mutex_unlock ( &p_sys->lock ); - return; - } - - net_Read( p_this, p_sys->i_post_socket, NULL, - p_buffer, 1024, VLC_FALSE ); - net_Close( p_sys->i_post_socket ); - - p_buffer_pos = strstr( ( char * ) p_buffer, "INTERVAL" ); - - if ( p_buffer_pos ) - { - p_sys->i_interval = atoi( p_buffer_pos + - strlen( "INTERVAL " ) ); - time( &p_sys->time_last_interval ); - } - - p_buffer_pos = strstr( ( char * ) p_buffer, "FAILED" ); + msg_Warn(p_this, "Submission queue is full, not submitting"); + goto end; + } - if ( p_buffer_pos ) - { - msg_Err( p_this, p_buffer_pos ); - vlc_mutex_unlock ( &p_sys->lock ); - return; - } + msg_Dbg(p_this, "Song will be submitted."); - p_buffer_pos = strstr( ( char * ) p_buffer, "BADAUTH" ); +#define QUEUE_COPY(a) \ + p_sys->p_queue[p_sys->i_songs].a = p_sys->p_current_song.a - if ( p_buffer_pos ) - { - msg_Err( p_this, - "Authentification failed, handshaking again" ); - p_sys->b_handshaked = VLC_FALSE; - vlc_mutex_unlock ( &p_sys->lock ); - return; - } - - p_buffer_pos = strstr( ( char * ) p_buffer, "OK" ); - - if ( p_buffer_pos ) - { - if ( p_sys->p_first_queue->i_songs_nb == 10 ) - { - p_first_queue = p_sys->p_first_queue->p_next_queue; - DeleteQueue( p_sys->p_first_queue ); - free( p_sys->p_first_queue ); - p_sys->p_first_queue = p_first_queue; - } - else - { - DeleteQueue( p_sys->p_first_queue ); - p_sys->p_first_queue->i_songs_nb = 0; - } - msg_Dbg( p_this, "Submission successfull!" ); - } - vlc_mutex_unlock ( &p_sys->lock ); - } - } - msleep( INTF_IDLE_SLEEP ); +#define QUEUE_COPY_NULL(a) \ + QUEUE_COPY(a); \ + p_sys->p_current_song.a = NULL - p_playlist = pl_Yield( p_this ); - PL_LOCK; - if( p_playlist->request.i_status == PLAYLIST_STOPPED ) - { - PL_UNLOCK; - /* if we stopped, we won't submit playing song */ - vlc_mutex_lock( &p_sys->lock ); - p_sys->b_queued = VLC_TRUE; - p_sys->b_metadata_read = VLC_TRUE; - vlc_mutex_unlock( &p_sys->lock ); - } - else - { - PL_UNLOCK; - } - - pl_Release( p_playlist ); - vlc_mutex_lock( &p_sys->lock ); - - if( p_sys->b_metadata_read == VLC_FALSE ) - { - time( &played_time ); - played_time -= p_sys->p_current_song->time_playing; - played_time -= p_sys->time_total_pauses; + QUEUE_COPY(i_l); + QUEUE_COPY_NULL(psz_n); + QUEUE_COPY_NULL(psz_a); + QUEUE_COPY_NULL(psz_t); + QUEUE_COPY_NULL(psz_b); + QUEUE_COPY_NULL(psz_m); + QUEUE_COPY(date); +#undef QUEUE_COPY_NULL +#undef QUEUE_COPY + p_sys->i_songs++; - vlc_mutex_unlock( &p_sys->lock ); + /* signal the main loop we have something to submit */ + vlc_cond_signal(&p_sys->wait); - /* ok now we can read meta data */ - if( played_time > 10 ) - { - ReadMetaData( p_this ); - } - } - else - { - if( ( p_sys->b_queued == VLC_FALSE ) - && ( p_sys->b_paused == VLC_FALSE ) ) - { - vlc_mutex_unlock( &p_sys->lock ); - if( AddToQueue( p_this ) == VLC_ENOMEM ) - { - msg_Err( p_this, "Out of memory" ); - return; - } - } - else - { - vlc_mutex_unlock( &p_sys->lock ); - } - } - } +end: + DeleteSong(&p_sys->p_current_song); + p_sys->b_submit = false; + vlc_mutex_unlock(&p_sys->lock); } /***************************************************************************** * PlayingChange: Playing status change callback *****************************************************************************/ -static int PlayingChange( vlc_object_t *p_this, const char *psz_var, - vlc_value_t oldval, vlc_value_t newval, void *p_data ) +static int PlayingChange(vlc_object_t *p_this, const char *psz_var, + vlc_value_t oldval, vlc_value_t newval, void *p_data) { - intf_thread_t *p_intf; - intf_sys_t *p_sys; + VLC_UNUSED(oldval); - p_intf = ( intf_thread_t* ) p_data; - p_sys = p_intf->p_sys; + intf_thread_t *p_intf = (intf_thread_t*) p_data; + intf_sys_t *p_sys = p_intf->p_sys; + input_thread_t *p_input = (input_thread_t*)p_this; + int state; - (void)p_this; (void)psz_var; (void)oldval; + VLC_UNUSED(psz_var); - vlc_mutex_lock( &p_sys->lock ); + if (newval.i_int != INPUT_EVENT_STATE) return VLC_SUCCESS; - if( newval.i_int == PAUSE_S ) + if (var_CountChoices(p_input, "video-es")) { - time( &p_sys->time_pause ); - p_sys->b_paused = VLC_TRUE; + msg_Dbg(p_this, "Not an audio-only input, not submitting"); + return VLC_SUCCESS; } - if( newval.i_int == PLAYING_S ) + state = var_GetInteger(p_input, "state"); + + if (!p_sys->b_meta_read && state >= PLAYING_S) { - p_sys->time_total_pauses += time( NULL ) - p_sys->time_pause; - p_sys->b_paused = VLC_TRUE; + ReadMetaData(p_intf); + return VLC_SUCCESS; } - vlc_mutex_unlock( &p_sys->lock ); + + if (state >= END_S) + AddToQueue(p_intf); + else if (state == PAUSE_S) + p_sys->time_pause = mdate(); + else if (p_sys->time_pause > 0 && state == PLAYING_S) + { + p_sys->time_total_pauses += (mdate() - p_sys->time_pause); + p_sys->time_pause = 0; + } return VLC_SUCCESS; } @@ -564,158 +355,172 @@ static int PlayingChange( vlc_object_t *p_this, const char *psz_var, /***************************************************************************** * ItemChange: Playlist item change callback *****************************************************************************/ -static int ItemChange( vlc_object_t *p_this, const char *psz_var, - vlc_value_t oldval, vlc_value_t newval, void *p_data ) +static int ItemChange(vlc_object_t *p_this, const char *psz_var, + vlc_value_t oldval, vlc_value_t newval, void *p_data) { - playlist_t *p_playlist; - input_thread_t *p_input = NULL; - intf_thread_t *p_intf; - intf_sys_t *p_sys; + input_thread_t *p_input; + intf_thread_t *p_intf = (intf_thread_t*) p_data; + intf_sys_t *p_sys = p_intf->p_sys; + input_item_t *p_item; - time_t epoch; - struct tm *epoch_tm; + VLC_UNUSED(p_this); VLC_UNUSED(psz_var); + VLC_UNUSED(oldval); VLC_UNUSED(newval); - char psz_date[20]; + p_sys->b_state_cb = false; + p_sys->b_meta_read = false; + p_sys->b_submit = false; - (void)p_this; (void)psz_var; (void)oldval; (void)newval; + p_input = playlist_CurrentInput(pl_Get(p_intf)); - p_intf = ( intf_thread_t* ) p_data; - p_sys = p_intf->p_sys; - - p_playlist = pl_Yield( p_intf ); - PL_LOCK; - p_input = p_playlist->p_input; + if (!p_input || p_input->b_dead) + return VLC_SUCCESS; - if( !p_input ) + p_item = input_GetItem(p_input); + if (!p_item) { - PL_UNLOCK; - pl_Release( p_playlist ); - vlc_mutex_lock( &p_sys->lock ); - - /* we won't read p_input */ - p_sys->b_queued = VLC_TRUE; - p_sys->b_metadata_read = VLC_TRUE; - - vlc_mutex_unlock( &p_sys->lock ); + vlc_object_release(p_input); return VLC_SUCCESS; } - vlc_object_yield( p_input ); - PL_UNLOCK; - pl_Release( p_playlist ); + if (var_CountChoices(p_input, "video-es")) + { + msg_Dbg(p_this, "Not an audio-only input, not submitting"); + vlc_object_release(p_input); + return VLC_SUCCESS; + } - var_AddCallback( p_input, "state", PlayingChange, p_intf ); + p_sys->time_total_pauses = 0; + time(&p_sys->p_current_song.date); /* to be sent to last.fm */ + p_sys->p_current_song.i_start = mdate(); /* only used locally */ - vlc_mutex_lock ( &p_sys->lock ); + var_AddCallback(p_input, "intf-event", PlayingChange, p_intf); + p_sys->b_state_cb = true; - /* reset pause counter */ - p_sys->time_total_pauses = 0; + if (input_item_IsPreparsed(p_item)) + ReadMetaData(p_intf); + /* if the input item was not preparsed, we'll do it in PlayingChange() + * callback, when "state" == PLAYING_S */ - /* we save the p_input value to delete the callback later */ - p_sys->p_input = p_input; + vlc_object_release(p_input); + return VLC_SUCCESS; +} - /* we'll read after to be sure it's present */ - p_sys->b_metadata_read = VLC_FALSE; +/***************************************************************************** + * Open: initialize and create stuff + *****************************************************************************/ +static int Open(vlc_object_t *p_this) +{ + intf_thread_t *p_intf = (intf_thread_t*) p_this; + intf_sys_t *p_sys = calloc(1, sizeof(intf_sys_t)); - p_sys->b_queued = VLC_TRUE; + if (!p_sys) + return VLC_ENOMEM; - time( &epoch ); - epoch_tm = gmtime( &epoch ); - snprintf( psz_date, 20, "%.4d-%.2d-%.2d %.2d:%.2d:%.2d", - epoch_tm->tm_year+1900, epoch_tm->tm_mon+1, epoch_tm->tm_mday, - epoch_tm->tm_hour, epoch_tm->tm_min, epoch_tm->tm_sec ); + p_intf->p_sys = p_sys; - p_sys->p_current_song->psz_i = encode_URI_component( psz_date ); - p_sys->p_current_song->time_playing = epoch; + vlc_mutex_init(&p_sys->lock); + vlc_cond_init(&p_sys->wait); - p_sys->b_paused = ( p_input->b_dead || !p_input->input.p_item->psz_name ) - ? VLC_TRUE : VLC_FALSE; + var_AddCallback(pl_Get(p_intf), "item-current", ItemChange, p_intf); - vlc_mutex_unlock( &p_sys->lock ); + p_intf->pf_run = Run; - vlc_object_release( p_input ); return VLC_SUCCESS; } /***************************************************************************** - * AddToQueue: Add the played song to the queue to be submitted + * Close: destroy interface stuff *****************************************************************************/ -static int AddToQueue ( intf_thread_t *p_this ) +static void Close(vlc_object_t *p_this) { - int i_songs_nb; - time_t played_time; - audioscrobbler_queue_t *p_queue = NULL, *p_next_queue = NULL; - intf_sys_t *p_sys; + playlist_t *p_playlist = pl_Get(p_this); + input_thread_t *p_input; + intf_thread_t *p_intf = (intf_thread_t*) p_this; + intf_sys_t *p_sys = p_intf->p_sys; - p_sys = p_this->p_sys; + var_DelCallback(p_playlist, "item-current", ItemChange, p_intf); - /* has it been queued already ? is it long enough ? */ - vlc_mutex_lock( &p_sys->lock ); - if( p_sys->p_current_song->i_l < 30 ) + p_input = playlist_CurrentInput(p_playlist); + if (p_input) { - msg_Dbg( p_this, "Song too short (< 30s) -> not submitting" ); - p_sys->b_queued = VLC_TRUE; - vlc_mutex_unlock ( &p_sys->lock ); - return VLC_SUCCESS; + if (p_sys->b_state_cb) + var_DelCallback(p_input, "intf-event", PlayingChange, p_intf); + vlc_object_release(p_input); } - /* wait for the user to listen enough before submitting */ - time ( &played_time ); - played_time -= p_sys->p_current_song->time_playing; - played_time -= p_sys->time_total_pauses; - - if( ( played_time < 240 ) - && ( played_time < ( p_sys->p_current_song->i_l / 2 ) ) ) - { - vlc_mutex_unlock ( &p_sys->lock ); - return VLC_SUCCESS; - } + int i; + for (i = 0; i < p_sys->i_songs; i++) + DeleteSong(&p_sys->p_queue[i]); + free(p_sys->psz_submit_host); + free(p_sys->psz_submit_file); +#if 0 //NOT USED + free(p_sys->psz_nowp_host); + free(p_sys->psz_nowp_file); +#endif + vlc_cond_destroy(&p_sys->wait); + vlc_mutex_destroy(&p_sys->lock); + free(p_sys); +} - msg_Dbg( p_this, "Ok. We'll put it in the queue for submission" ); - p_queue = p_sys->p_first_queue; +/***************************************************************************** + * ParseURL : Split an http:// URL into host, file, and port + * + * Example: "62.216.251.205:80/protocol_1.2" + * will be split into "62.216.251.205", 80, "protocol_1.2" + * + * psz_url will be freed before returning + * *psz_file & *psz_host will be freed before use + * + * Return value: + * VLC_ENOMEM Out Of Memory + * VLC_EGENERIC Invalid url provided + * VLC_SUCCESS Success + *****************************************************************************/ +static int ParseURL(char *psz_url, char **psz_host, char **psz_file, + int *i_port) +{ + size_t i_pos; + size_t i_len = strlen(psz_url); + bool b_no_port = false; + FREENULL(*psz_host); + FREENULL(*psz_file); - while( ( p_queue->i_songs_nb == 10 ) && ( p_queue->p_next_queue != NULL ) ) + i_pos = strcspn(psz_url, ":"); + if (i_pos == i_len) { - p_queue = p_queue->p_next_queue; + *i_port = 80; + i_pos = strcspn(psz_url, "/"); + b_no_port = true; } - i_songs_nb = p_queue->i_songs_nb; + *psz_host = strndup(psz_url, i_pos); + if (!*psz_host) + return VLC_ENOMEM; - if( i_songs_nb == 10 ) + if (!b_no_port) { - p_next_queue = malloc( sizeof( audioscrobbler_queue_t ) ); - if( !p_next_queue ) + i_pos++; /* skip the ':' */ + *i_port = atoi(psz_url + i_pos); + if (*i_port <= 0) { - vlc_mutex_unlock ( &p_sys->lock ); - return VLC_ENOMEM; + FREENULL(*psz_host); + return VLC_EGENERIC; } - p_queue->p_next_queue = p_next_queue; - i_songs_nb = 0; - p_queue = p_next_queue; - p_queue->i_songs_nb = i_songs_nb; - } - p_queue->p_queue[i_songs_nb] = malloc( sizeof( audioscrobbler_song_t ) ); - - p_queue->p_queue[i_songs_nb]->i_l = p_sys->p_current_song->i_l; - - p_queue->p_queue[i_songs_nb]->psz_a = - strdup( p_sys->p_current_song->psz_a ); - - p_queue->p_queue[i_songs_nb]->psz_t = - strdup( p_sys->p_current_song->psz_t ); - - p_queue->p_queue[i_songs_nb]->psz_b = - strdup( p_sys->p_current_song->psz_b ); - - p_queue->p_queue[i_songs_nb]->psz_i = - strdup( p_sys->p_current_song->psz_i ); + i_pos = strcspn(psz_url, "/"); + } - p_queue->i_songs_nb++; - p_sys->b_queued = VLC_TRUE; + if (i_pos == i_len) + return VLC_EGENERIC; - vlc_mutex_unlock( &p_sys->lock ); + i_pos++; /* skip the '/' */ + *psz_file = strdup(psz_url + i_pos); + if (!*psz_file) + { + FREENULL(*psz_host); + return VLC_ENOMEM; + } return VLC_SUCCESS; } @@ -723,420 +528,437 @@ static int AddToQueue ( intf_thread_t *p_this ) /***************************************************************************** * Handshake : Init audioscrobbler connection *****************************************************************************/ -static int Handshake( intf_thread_t *p_this ) +static int Handshake(intf_thread_t *p_this) { - char *psz_password = NULL; - struct md5_s *p_struct_md5 = NULL; - char *psz_password_md5 = NULL; - char *ps_challenge_md5 = NULL; + char *psz_username, *psz_password; + char *psz_scrobbler_url; + time_t timestamp; + char psz_timestamp[21]; - stream_t *p_stream; - char *psz_handshake_url = NULL; - - uint8_t *p_buffer = NULL; - char *p_buffer_pos = NULL; - char *psz_buffer_substring = NULL; - char *psz_url_parser = NULL; - int i_url_pos, i; + struct md5_s p_struct_md5; - char *b1, *b2, *b3, *b4; + stream_t *p_stream; + char *psz_handshake_url; + uint8_t p_buffer[1024]; + char *p_buffer_pos; - intf_thread_t *p_intf; - intf_sys_t *p_sys; + int i_ret; + char *psz_url; - p_intf = ( intf_thread_t* ) p_this; - p_sys = p_this->p_sys; + intf_thread_t *p_intf = (intf_thread_t*) p_this; + intf_sys_t *p_sys = p_this->p_sys; - vlc_mutex_lock ( &p_sys->lock ); + psz_username = var_InheritString(p_this, "lastfm-username"); + if (!psz_username) + return VLC_ENOMEM; - p_sys->psz_username = config_GetPsz(p_this, "lastfm-username"); - if ( !p_sys->psz_username ) + psz_password = var_InheritString(p_this, "lastfm-password"); + if (!psz_password) { - goto memerror; + free(psz_username); + return VLC_ENOMEM; } - - if ( !*p_sys->psz_username ) + /* username or password have not been setup */ + if (!*psz_username || !*psz_password) { - msg_Info( p_this, "You have to set an username! " - "Visit https://www.last.fm/join/" ); + free(psz_username); + free(psz_password); return VLC_ENOVAR; } - psz_handshake_url = malloc( 1024 ); - if ( !psz_handshake_url ) - { - goto memerror; - } + time(×tamp); - snprintf( psz_handshake_url, 1024, - "http://post.audioscrobbler.com/?hs=true&p=1.1&c=%s&v=%s&u=%s", - CLIENT_NAME, CLIENT_VERSION, p_sys->psz_username ); + /* generates a md5 hash of the password */ + InitMD5(&p_struct_md5); + AddMD5(&p_struct_md5, (uint8_t*) psz_password, strlen(psz_password)); + EndMD5(&p_struct_md5); - p_stream = stream_UrlNew( p_intf, psz_handshake_url); + free(psz_password); - free( psz_handshake_url ); - - if( !p_stream ) + char *psz_password_md5 = psz_md5_hash(&p_struct_md5); + if (!psz_password_md5) { - p_sys->i_interval = DEFAULT_INTERVAL; - time( &p_sys->time_last_interval ); - vlc_mutex_unlock ( &p_sys->lock ); - return VLC_EGENERIC; + free(psz_username); + return VLC_ENOMEM; } - p_buffer = ( uint8_t* ) calloc( 1, 1024 ); - if ( !p_buffer ) - { - stream_Delete( p_stream ); - goto memerror; - } + snprintf(psz_timestamp, sizeof(psz_timestamp), "%"PRIu64, + (uint64_t)timestamp); - if ( stream_Read( p_stream, p_buffer, 1024 ) == 0 ) + /* generates a md5 hash of : + * - md5 hash of the password, plus + * - timestamp in clear text + */ + InitMD5(&p_struct_md5); + AddMD5(&p_struct_md5, (uint8_t*) psz_password_md5, 32); + AddMD5(&p_struct_md5, (uint8_t*) psz_timestamp, strlen(psz_timestamp)); + EndMD5(&p_struct_md5); + free(psz_password_md5); + + char *psz_auth_token = psz_md5_hash(&p_struct_md5); + if (!psz_auth_token) { - stream_Delete( p_stream ); - free( p_buffer ); - vlc_mutex_unlock ( &p_sys->lock ); - return VLC_EGENERIC; + free(psz_username); + return VLC_ENOMEM; } - stream_Delete( p_stream ); - - p_buffer_pos = strstr( ( char * ) p_buffer, "INTERVAL" ); - - if ( p_buffer_pos ) + psz_scrobbler_url = var_InheritString(p_this, "scrobbler-url"); + if (!psz_scrobbler_url) { - p_sys->i_interval = atoi( p_buffer_pos + strlen( "INTERVAL " ) ); - time( &p_sys->time_last_interval ); + free(psz_username); + return VLC_ENOMEM; } - p_buffer_pos = strstr( ( char * ) p_buffer, "FAILED" ); + i_ret = asprintf(&psz_handshake_url, + "http://%s/?hs=true&p=1.2&c="CLIENT_NAME"&v="CLIENT_VERSION"&u=%s&t=%s&a=%s" + , psz_scrobbler_url, psz_username, psz_timestamp, psz_auth_token); - if ( p_buffer_pos ) - { - msg_Info( p_this, p_buffer_pos ); - free( p_buffer ); - vlc_mutex_unlock ( &p_sys->lock ); - return VLC_EGENERIC; - } + free(psz_scrobbler_url); + free(psz_username); + if (i_ret == -1) + return VLC_ENOMEM; - p_buffer_pos = strstr( ( char * ) p_buffer, "BADUSER" ); + /* send the http handshake request */ + p_stream = stream_UrlNew(p_intf, psz_handshake_url); + free(psz_handshake_url); - if ( p_buffer_pos ) - { - msg_Info( p_intf, "Username is incorrect" ); - free( p_buffer ); - vlc_mutex_unlock ( &p_sys->lock ); + if (!p_stream) return VLC_EGENERIC; - } - - p_buffer_pos = strstr( ( char * ) p_buffer, "UPDATE" ); - if ( p_buffer_pos ) + /* read answer */ + i_ret = stream_Read(p_stream, p_buffer, sizeof(p_buffer) - 1); + if (i_ret == 0) { - msg_Dbg( p_intf, "Protocol updated" ); - msg_Dbg( p_intf, p_buffer_pos ); + stream_Delete(p_stream); + return VLC_EGENERIC; } + p_buffer[i_ret] = '\0'; + stream_Delete(p_stream); - else + p_buffer_pos = strstr((char*) p_buffer, "FAILED "); + if (p_buffer_pos) { - p_buffer_pos = strstr( ( char * ) p_buffer, "UPTODATE" ); - if ( !p_buffer_pos ) - { - msg_Dbg( p_intf, "Protocol error" ); - free( p_buffer ); - vlc_mutex_unlock ( &p_sys->lock ); - return VLC_EGENERIC; - } + /* handshake request failed, sorry */ + msg_Err(p_this, "last.fm handshake failed: %s", p_buffer_pos + 7); + return VLC_EGENERIC; } - psz_buffer_substring = strndup( strstr( p_buffer_pos, "\n" ) + 1, 32 ); - if ( !psz_buffer_substring ) + if (strstr((char*) p_buffer, "BADAUTH")) { - goto memerror; - } - else - { - ps_challenge_md5 = malloc( sizeof( char ) * 32 ); - if ( !ps_challenge_md5 ) - { - goto memerror; - } - memcpy( ps_challenge_md5, psz_buffer_substring, 32 ); - free( psz_buffer_substring ); + /* authentication failed, bad username/password combination */ + dialog_Fatal(p_this, + _("last.fm: Authentication failed"), + "%s", _("last.fm username or password is incorrect. " + "Please verify your settings and relaunch VLC.")); + return VLC_AUDIOSCROBBLER_EFATAL; } - p_buffer_pos = ( void* ) strstr( ( char* ) p_buffer, "http://" ); - - if ( p_sys->psz_submit_host != NULL ) + if (strstr((char*) p_buffer, "BANNED")) { - free( p_sys->psz_submit_host ); + /* oops, our version of vlc has been banned by last.fm servers */ + msg_Err(p_intf, "This version of VLC has been banned by last.fm. " + "You should upgrade VLC, or disable the last.fm plugin."); + return VLC_AUDIOSCROBBLER_EFATAL; } - if ( p_sys->psz_submit_file != NULL ) + if (strstr((char*) p_buffer, "BADTIME")) { - free( p_sys->psz_submit_file ); + /* The system clock isn't good */ + msg_Err(p_intf, "last.fm handshake failed because your clock is too " + "much shifted. Please correct it, and relaunch VLC."); + return VLC_AUDIOSCROBBLER_EFATAL; } - psz_url_parser = p_buffer_pos + strlen( "http://" ); + p_buffer_pos = strstr((char*) p_buffer, "OK"); + if (!p_buffer_pos) + goto proto; - i_url_pos = strcspn( psz_url_parser, ":" ); - p_sys->psz_submit_host = strndup( psz_url_parser, i_url_pos ); + p_buffer_pos = strstr(p_buffer_pos, "\n"); + if (!p_buffer_pos || strlen(p_buffer_pos) < 33) + goto proto; + p_buffer_pos++; /* we skip the '\n' */ - p_sys->i_submit_port = atoi( psz_url_parser + i_url_pos + 1 ); + /* save the session ID */ + memcpy(p_sys->psz_auth_token, p_buffer_pos, 32); + p_sys->psz_auth_token[32] = '\0'; - psz_url_parser += strcspn( psz_url_parser , "/" ) + 1; - i_url_pos = strcspn( psz_url_parser, "\n" ); - p_sys->psz_submit_file = strndup( psz_url_parser, i_url_pos ); + p_buffer_pos = strstr(p_buffer_pos, "http://"); + if (!p_buffer_pos || strlen(p_buffer_pos) == 7) + goto proto; - free(p_buffer); + /* We need to read the nowplaying url */ + p_buffer_pos += 7; /* we skip "http://" */ +#if 0 //NOT USED + psz_url = strndup(p_buffer_pos, strcspn(p_buffer_pos, "\n")); + if (!psz_url) + goto oom; - p_struct_md5 = malloc( sizeof( struct md5_s ) ); - if( !p_struct_md5 ) + switch(ParseURL(psz_url, &p_sys->psz_nowp_host, + &p_sys->psz_nowp_file, &p_sys->i_nowp_port)) { - goto memerror; + case VLC_ENOMEM: + goto oom; + case VLC_EGENERIC: + goto proto; + case VLC_SUCCESS: + default: + break; } +#endif + p_buffer_pos = strstr(p_buffer_pos, "http://"); + if (!p_buffer_pos || strlen(p_buffer_pos) == 7) + goto proto; - psz_password = config_GetPsz(p_this, "lastfm-password"); - if ( !psz_password ) - { - goto memerror; - } - - InitMD5( p_struct_md5 ); - AddMD5( p_struct_md5, ( uint8_t* ) psz_password, strlen( psz_password ) ); - EndMD5( p_struct_md5 ); - - free( psz_password ); - - psz_password_md5 = malloc ( 33 * sizeof( char ) ); - if ( !psz_password_md5 ) - { - goto memerror; - } - - for ( i = 0; i < 4; i++ ) - { - /* TODO check that this works on every arch/platform (uint32_t to char) */ - b1 = hexa( p_struct_md5->p_digest[i] % 256 ); - b2 = hexa( ( p_struct_md5->p_digest[i] / 256 ) % 256 ); - b3 = hexa( ( p_struct_md5->p_digest[i] / 65536 ) % 256 ); - b4 = hexa( p_struct_md5->p_digest[i] / 16777216 ); - sprintf( &psz_password_md5[8*i], "%s%s%s%s", b1, b2, b3, b4 ); - free( b1 ); - free( b2 ); - free( b3 ); - free( b4 ); - } - - strlwr( psz_password_md5 ); - - InitMD5( p_struct_md5 ); - AddMD5( p_struct_md5, ( uint8_t* ) psz_password_md5, 32 ); - AddMD5( p_struct_md5, ( uint8_t* ) ps_challenge_md5, 32 ); - EndMD5( p_struct_md5 ); + /* We need to read the submission url */ + p_buffer_pos += 7; /* we skip "http://" */ + psz_url = strndup(p_buffer_pos, strcspn(p_buffer_pos, "\n")); + if (!psz_url) + goto oom; - free( ps_challenge_md5 ); - free( psz_password_md5 ); + int ret = ParseURL(psz_url, &p_sys->psz_submit_host, + &p_sys->psz_submit_file, &p_sys->i_submit_port); + free(psz_url); - for ( i = 0; i < 4; i++ ) + switch(ret) { - b1 = hexa( p_struct_md5->p_digest[i] % 256 ); - b2 = hexa( ( p_struct_md5->p_digest[i] / 256 ) % 256 ); - b3 = hexa( ( p_struct_md5->p_digest[i] / 65536 ) % 256 ); - b4 = hexa( p_struct_md5->p_digest[i] / 16777216 ); - sprintf( &p_sys->psz_response_md5[8*i],"%s%s%s%s", b1, b2, b3, b4 ); - free( b1 ); - free( b2 ); - free( b3 ); - free( b4 ); + case VLC_ENOMEM: + goto oom; + case VLC_EGENERIC: + goto proto; + case VLC_SUCCESS: + default: + break; } - p_sys->psz_response_md5[32] = 0; - - strlwr( p_sys->psz_response_md5 ); - - vlc_mutex_unlock ( &p_sys->lock ); - return VLC_SUCCESS; -memerror: - free( p_buffer ); - free( p_struct_md5 ); - free( psz_buffer_substring ); - - vlc_mutex_unlock ( &p_sys->lock ); +oom: return VLC_ENOMEM; -} - -/***************************************************************************** - * hexa : Converts a byte to a string in its hexadecimal value - *****************************************************************************/ -char *hexa( short int i ) -{ - char *res = calloc( 3 , sizeof( char ) ); - - ((i/16) < 10) ? res[0] = (i / 16) + '0' : ( res[0] = (i/16) + 'a' - 10 ); - ((i%16) < 10) ? res[1] = (i % 16) + '0' : ( res[1] = (i%16) + 'a' - 10 ); - return res; +proto: + msg_Err(p_intf, "Handshake: can't recognize server protocol"); + return VLC_EGENERIC; } -/***************************************************************************** - * strlwr : Converts a string to lower case - *****************************************************************************/ -#if !defined(strlwr) && !defined( WIN32 ) -char* strlwr(char *psz_string) + +static void HandleInterval(mtime_t *next, unsigned int *i_interval) { - while ( *psz_string ) + if (*i_interval == 0) { - *psz_string++ = tolower( *psz_string ); + /* first interval is 1 minute */ + *i_interval = 1; } - return psz_string; -} -#endif - -/***************************************************************************** - * DeleteQueue : Free all songs from an audioscrobbler_queue_t - *****************************************************************************/ -void DeleteQueue( audioscrobbler_queue_t *p_queue ) -{ - int i; - - for( i = 0; i < p_queue->i_songs_nb; i++ ) + else { - free( p_queue->p_queue[i]->psz_a ); - free( p_queue->p_queue[i]->psz_b ); - free( p_queue->p_queue[i]->psz_t ); - free( p_queue->p_queue[i]->psz_i ); - free( p_queue->p_queue[i] ); + /* else we double the previous interval, up to 120 minutes */ + *i_interval <<= 1; + if (*i_interval > 120) + *i_interval = 120; } + *next = mdate() + (*i_interval * 1000000 * 60); } /***************************************************************************** - * ReadMetaData : Puts current song's meta data in p_sys->p_current_song + * Run : call Handshake() then submit songs *****************************************************************************/ -static int ReadMetaData( intf_thread_t *p_this ) +static void Run(intf_thread_t *p_intf) { - playlist_t *p_playlist; - char *psz_title = NULL; - char *psz_artist = NULL; - char *psz_album = NULL; - int i_length = -1; - input_thread_t *p_input = NULL; - vlc_value_t video_val; - intf_sys_t *p_sys; - - p_sys = p_this->p_sys; - p_playlist = pl_Yield( p_this ); - PL_LOCK; - p_input = p_playlist->p_input; - - if( !p_input ) - { - return VLC_SUCCESS; - } + uint8_t p_buffer[1024]; + int canc = vlc_savecancel(); + bool b_handshaked = false; - vlc_object_yield( p_input ); - PL_UNLOCK; - pl_Release( p_playlist ); + /* data about audioscrobbler session */ + mtime_t next_exchange; /**< when can we send data */ + unsigned int i_interval; /**< waiting interval (secs)*/ - if ( p_input->input.p_item->i_type == ITEM_TYPE_NET ) - { - msg_Dbg( p_this, "We play a stream -> no submission"); - goto no_submission; - } + intf_sys_t *p_sys = p_intf->p_sys; - var_Change( p_input, "video-es", VLC_VAR_CHOICESCOUNT, &video_val, NULL ); - if( video_val.i_int > 0 ) + /* main loop */ + for (;;) { - msg_Dbg( p_this, "We play a video -> no submission"); - goto no_submission; - } + vlc_restorecancel(canc); + vlc_mutex_lock(&p_sys->lock); + mutex_cleanup_push(&p_sys->lock); - if ( p_input->input.p_item->p_meta->psz_artist ) - { - psz_artist = encode_URI_component( - p_input->input.p_item->p_meta->psz_artist ); - if ( !psz_artist ) - { - goto error; - } - } - else - { - msg_Dbg( p_this, "No artist.." ); - goto no_submission; - } + do + vlc_cond_wait(&p_sys->wait, &p_sys->lock); + while (mdate() < next_exchange); - if ( p_input->input.p_item->p_meta->psz_album ) - { - psz_album = encode_URI_component( - p_input->input.p_item->p_meta->psz_album ); - if ( !psz_album ) - { - goto error; - } - } - else - { - msg_Dbg( p_this, "No album.." ); - goto no_submission; - } + vlc_cleanup_run(); + canc = vlc_savecancel(); - if ( p_input->input.p_item->psz_name ) - { - psz_title = encode_URI_component( p_input->input.p_item->psz_name ); - if ( !psz_title ) + /* handshake if needed */ + if (!b_handshaked) { - goto error; - } - } - else - { - msg_Dbg( p_this, "No track name.." ); - goto no_submission; - } + msg_Dbg(p_intf, "Handshaking with last.fm ..."); - i_length = p_input->input.p_item->i_duration / 1000000; + switch(Handshake(p_intf)) + { + case VLC_ENOMEM: + return; - vlc_object_release( p_input ); + case VLC_ENOVAR: + /* username not set */ + dialog_Fatal(p_intf, + _("Last.fm username not set"), + "%s", _("Please set a username or disable the " + "audioscrobbler plugin, and restart VLC.\n" + "Visit http://www.last.fm/join/ to get an account.") + ); + return; - vlc_mutex_lock ( &p_sys->lock ); + case VLC_SUCCESS: + msg_Dbg(p_intf, "Handshake successfull :)"); + b_handshaked = true; + i_interval = 0; + next_exchange = mdate(); + break; - p_sys->p_current_song->psz_a = strdup( psz_artist ); - p_sys->p_current_song->psz_t = strdup( psz_title ); - p_sys->p_current_song->psz_b = strdup( psz_album ); - p_sys->p_current_song->i_l = i_length; - p_sys->b_queued = VLC_FALSE; - p_sys->b_metadata_read = VLC_TRUE; + case VLC_AUDIOSCROBBLER_EFATAL: + msg_Warn(p_intf, "Exiting..."); + return; - vlc_mutex_unlock ( &p_sys->lock ); + case VLC_EGENERIC: + default: + /* protocol error : we'll try later */ + HandleInterval(&next_exchange, &i_interval); + break; + } + /* if handshake failed let's restart the loop */ + if (!b_handshaked) + continue; + } - msg_Dbg( p_this, "Meta data registered, waiting to be queued" ); + msg_Dbg(p_intf, "Going to submit some data..."); + char *psz_submit; + if (asprintf(&psz_submit, "s=%s", p_sys->psz_auth_token) == -1) + return; - free( psz_title ); - free( psz_artist ); - free( psz_album ); + /* forge the HTTP POST request */ + vlc_mutex_lock(&p_sys->lock); + audioscrobbler_song_t *p_song; + for (int i_song = 0 ; i_song < p_sys->i_songs ; i_song++) + { + char *psz_submit_song, *psz_submit_tmp; + p_song = &p_sys->p_queue[i_song]; + if (asprintf(&psz_submit_song, + "&a%%5B%d%%5D=%s" + "&t%%5B%d%%5D=%s" + "&i%%5B%d%%5D=%u" + "&o%%5B%d%%5D=P" + "&r%%5B%d%%5D=" + "&l%%5B%d%%5D=%d" + "&b%%5B%d%%5D=%s" + "&n%%5B%d%%5D=%s" + "&m%%5B%d%%5D=%s", + i_song, p_song->psz_a, + i_song, p_song->psz_t, + i_song, (unsigned)p_song->date, /* HACK: %ju (uintmax_t) unsupported on Windows */ + i_song, + i_song, + i_song, p_song->i_l, + i_song, p_song->psz_b, + i_song, p_song->psz_n, + i_song, p_song->psz_m + ) == -1) + { /* Out of memory */ + vlc_mutex_unlock(&p_sys->lock); + return; + } + psz_submit_tmp = psz_submit; + if (asprintf(&psz_submit, "%s%s", + psz_submit_tmp, psz_submit_song) == -1) + { /* Out of memory */ + free(psz_submit_tmp); + free(psz_submit_song); + vlc_mutex_unlock(&p_sys->lock); + return; + } + free(psz_submit_song); + free(psz_submit_tmp); + } + vlc_mutex_unlock(&p_sys->lock); - return VLC_SUCCESS; + int i_post_socket = net_ConnectTCP(p_intf, p_sys->psz_submit_host, + p_sys->i_submit_port); -error: - free( psz_artist ); - free( psz_album ); - free( psz_title ); - return VLC_ENOMEM; + if (i_post_socket == -1) + { + /* If connection fails, we assume we must handshake again */ + HandleInterval(&next_exchange, &i_interval); + b_handshaked = false; + free(psz_submit); + continue; + } -no_submission: - vlc_object_release( p_input ); + /* we transmit the data */ + int i_net_ret = net_Printf(p_intf, i_post_socket, NULL, + "POST /%s HTTP/1.1\n" + "Accept-Encoding: identity\n" + "Content-length: %zu\n" + "Connection: close\n" + "Content-type: application/x-www-form-urlencoded\n" + "Host: %s\n" + "User-agent: VLC media player/"VERSION"\r\n" + "\r\n" + "%s\r\n" + "\r\n", + p_sys->psz_submit_file, strlen(psz_submit), + p_sys->psz_submit_host, psz_submit + ); + + free(psz_submit); + if (i_net_ret == -1) + { + /* If connection fails, we assume we must handshake again */ + HandleInterval(&next_exchange, &i_interval); + b_handshaked = false; + continue; + } - free( psz_title ); - free( psz_artist ); - free( psz_album ); + i_net_ret = net_Read(p_intf, i_post_socket, NULL, + p_buffer, sizeof(p_buffer) - 1, false); + if (i_net_ret <= 0) + { + /* if we get no answer, something went wrong : try again */ + continue; + } - vlc_mutex_lock( &p_sys->lock ); - p_sys->b_queued = VLC_TRUE; - p_sys->b_metadata_read = VLC_TRUE; - vlc_mutex_unlock( &p_sys->lock ); + net_Close(i_post_socket); + p_buffer[i_net_ret] = '\0'; - return VLC_SUCCESS; + char *failed = strstr((char *) p_buffer, "FAILED"); + if (failed) + { + msg_Warn(p_intf, "%s", failed); + HandleInterval(&next_exchange, &i_interval); + continue; + } + + if (strstr((char *) p_buffer, "BADSESSION")) + { + msg_Err(p_intf, "Authentication failed (BADSESSION), are you connected to last.fm with another program ?"); + b_handshaked = false; + HandleInterval(&next_exchange, &i_interval); + continue; + } + + if (strstr((char *) p_buffer, "OK")) + { + for (int i = 0; i < p_sys->i_songs; i++) + DeleteSong(&p_sys->p_queue[i]); + p_sys->i_songs = 0; + i_interval = 0; + next_exchange = mdate(); + msg_Dbg(p_intf, "Submission successful!"); + } + else + { + msg_Err(p_intf, "Authentication failed, handshaking again (%s)", + p_buffer); + b_handshaked = false; + HandleInterval(&next_exchange, &i_interval); + } + } + vlc_restorecancel(canc); }