X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=modules%2Fmisc%2Faudioscrobbler.c;h=da02d64de1b756c8417af44c7032cb8051c2491d;hb=719f12a6796bdebe4cfb7a0e7c2833511af1eb3c;hp=fe63dd4d5a8ed3fdb14a1e3f1b53ded7dcc89011;hpb=d4f1f65d2b381a22aa31a24174f613cc51068e7a;p=vlc diff --git a/modules/misc/audioscrobbler.c b/modules/misc/audioscrobbler.c index fe63dd4d5a..da02d64de1 100644 --- a/modules/misc/audioscrobbler.c +++ b/modules/misc/audioscrobbler.c @@ -1,11 +1,10 @@ /***************************************************************************** * audioscrobbler.c : audioscrobbler submission plugin ***************************************************************************** - * Copyright (C) 2006 the VideoLAN team + * Copyright © 2006-2008 the VideoLAN team * $Id$ * - * Authors: Rafaël Carré - * Kenneth Ostby + * Author: Rafaël Carré * * 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 @@ -22,124 +21,131 @@ * 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) + */ /***************************************************************************** * Preamble *****************************************************************************/ -#define _GNU_SOURCE -#include +#if defined( WIN32 ) +#include +#endif -#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 */ + + /* data about audioscrobbler session */ + mtime_t next_exchange; /**< when can we send data */ + unsigned int i_interval; /**< waiting interval (secs)*/ -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); + /* 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 + bool b_handshaked; /**< are we authenticated ? */ + 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 */ +}; + +static int Open ( vlc_object_t * ); +static void Close ( vlc_object_t * ); +static void Unload ( intf_thread_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 void AddToQueue ( intf_thread_t * ); +static int Handshake ( intf_thread_t * ); +static int ReadMetaData ( intf_thread_t * ); +static void DeleteSong ( audioscrobbler_song_t* ); +static int ParseURL ( char *, char **, char **, int * ); +static void HandleInterval ( mtime_t *, unsigned int * ); /***************************************************************************** * 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 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" \ + "Content-length: %u\n" \ "Connection: close\n" \ "Content-type: application/x-www-form-urlencoded\n" \ "Host: %s\n" \ @@ -148,19 +154,15 @@ char* strlwr(char *psz_string); "%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") ); + set_description( N_("Submission of played songs to last.fm") ); add_string( "lastfm-username", "", NULL, - USERNAME_TEXT, USERNAME_LONGTEXT, VLC_TRUE ); - add_string( "lastfm-password", "", NULL, - PASSWORD_TEXT, PASSWORD_LONGTEXT, VLC_TRUE ); + USERNAME_TEXT, USERNAME_LONGTEXT, false ); + add_password( "lastfm-password", "", NULL, + PASSWORD_TEXT, PASSWORD_LONGTEXT, false ); set_capability( "interface", 0 ); set_callbacks( Open, Close ); vlc_module_end(); @@ -168,81 +170,28 @@ vlc_module_end(); /***************************************************************************** * Open: initialize and create stuff *****************************************************************************/ - static int Open( vlc_object_t *p_this ) { - intf_thread_t *p_intf; - intf_sys_t *p_sys; - playlist_t *p_playlist; + playlist_t *p_playlist; + intf_thread_t *p_intf = ( intf_thread_t* ) p_this; + intf_sys_t *p_sys = calloc( 1, sizeof( intf_sys_t ) ); - p_intf = ( intf_thread_t* ) p_this; - p_sys = malloc( sizeof( intf_sys_t ) ); if( !p_sys ) - { - goto error; - } - - 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_sys->p_first_queue = malloc( sizeof( audioscrobbler_queue_t ) ); - if( !p_sys->p_first_queue ) - { - vlc_mutex_destroy( &p_sys->lock ); - goto error; - } + return VLC_ENOMEM; - p_sys->p_current_song = malloc( sizeof( audioscrobbler_song_t ) ); - if( !p_sys->p_current_song ) - { - vlc_mutex_destroy( &p_sys->lock ); - goto error; - } - - /* 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 ) - { - vlc_mutex_destroy( &p_sys->lock ); - goto error; - } + p_intf->p_sys = p_sys; - p_sys->p_first_queue->i_songs_nb = 0; - p_sys->p_first_queue->p_next_queue = NULL; + vlc_mutex_init( &p_sys->lock ); p_playlist = pl_Yield( p_intf ); + PL_LOCK; var_AddCallback( p_playlist, "playlist-current", ItemChange, p_intf ); + PL_UNLOCK; pl_Release( p_playlist ); p_intf->pf_run = Run; return VLC_SUCCESS; - -error: - free( p_sys->p_current_song ); - free( p_sys->p_first_queue ); - free( p_sys->psz_response_md5 ); - free( p_sys ); - - return VLC_ENOMEM; } /***************************************************************************** @@ -250,280 +199,263 @@ error: *****************************************************************************/ static void Close( vlc_object_t *p_this ) { - audioscrobbler_queue_t *p_current_queue, *p_next_queue; + playlist_t *p_playlist; 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 ); + intf_thread_t *p_intf = ( intf_thread_t* ) p_this; + intf_sys_t *p_sys = p_intf->p_sys; p_playlist = pl_Yield( p_intf ); + PL_LOCK; + var_DelCallback( p_playlist, "playlist-current", ItemChange, p_intf ); - PL_LOCK; p_input = p_playlist->p_input; - if( p_input ) vlc_object_yield( p_input ); - PL_UNLOCK; - - if( p_input ) + if ( p_input ) { - var_DelCallback( p_input, "state", PlayingChange, p_intf ); - } + vlc_object_yield( p_input ); - pl_Release( p_playlist ); + if( p_sys->b_state_cb ) + var_DelCallback( p_input, "state", PlayingChange, p_intf ); - 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 ) ) - { - p_next_queue = p_current_queue->p_next_queue; - DeleteQueue( p_current_queue ); - free( p_current_queue ); - p_current_queue = p_next_queue; + vlc_object_release( p_input ); } - DeleteQueue( p_current_queue ); - free( p_current_queue ); + PL_UNLOCK; + pl_Release( p_playlist ); + p_intf->b_dead = true; + /* we lock the mutex in case p_sys is being accessed from a callback */ vlc_mutex_lock ( &p_sys->lock ); - if ( p_sys->psz_username ) - { - free( p_sys->psz_username ); - } - - free( p_sys->p_current_song ); + 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_mutex_unlock ( &p_sys->lock ); vlc_mutex_destroy( &p_sys->lock ); free( p_sys ); } + /***************************************************************************** - * Run : Handshake with audioscrobbler, then submit songs + * Unload: Unloads the audioscrobbler when encountering fatal errors *****************************************************************************/ -static void Run( intf_thread_t *p_this ) +static void Unload( intf_thread_t *p_this ) { - char *psz_submit_string = NULL; - int i_handshake; - int i_netprintf; + vlc_object_kill( p_this ); + vlc_object_detach( p_this ); + if( p_this->p_module ) + module_Unneed( p_this, p_this->p_module ); + vlc_mutex_destroy( &p_this->change_lock ); + vlc_object_release( p_this ); +} + +/***************************************************************************** + * Run : call Handshake() then submit songs + *****************************************************************************/ +static void Run( intf_thread_t *p_intf ) +{ + char *psz_submit, *psz_submit_song, *psz_submit_tmp; + int i_net_ret; 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->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 ); + uint8_t p_buffer[1024]; + char *p_buffer_pos; + int i_post_socket; - if( i_handshake == VLC_ENOMEM ) - { - msg_Err( p_this, "Out of memory" ); - return; - } + intf_sys_t *p_sys = p_intf->p_sys; - 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 ); - } - } - } + /* main loop */ + for( ;; ) + { + bool b_wait = false; + vlc_object_lock( p_intf ); + if( !vlc_object_alive( p_intf ) ) + { + vlc_object_unlock( p_intf ); + msg_Dbg( p_intf, "audioscrobbler is dying"); + return; + } + if( mdate() < p_sys->next_exchange ) + /* wait until we can resubmit, i.e. */ + b_wait = vlc_object_timedwait( p_intf, p_sys->next_exchange ) == 0; else + /* wait for data to submit */ + /* we are signaled each time there is a song to submit */ + vlc_object_wait( p_intf ); + vlc_object_unlock( p_intf ); + + if( b_wait ) + continue; /* holding on until next_exchange */ + + /* handshake if needed */ + if( p_sys->b_handshaked == false ) { - if ( ( p_sys->p_first_queue->i_songs_nb > 0 ) && - ( time( NULL ) >= - ( p_sys->time_last_interval + p_sys->i_interval ) ) ) + msg_Dbg( p_intf, "Handshaking with last.fm ..." ); + + switch( Handshake( p_intf ) ) { - 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 ); + case VLC_ENOMEM: + Unload( p_intf ); 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 + + case VLC_ENOVAR: + /* username not set */ + intf_UserFatal( p_intf, false, + _("Last.fm username not set"), + _("Please set a username or disable the " + "audioscrobbler plugin, and restart VLC.\n" + "Visit http://www.last.fm/join/ to get an account.") ); - } - - 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 ); + Unload( p_intf ); 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; - } + case VLC_SUCCESS: + msg_Dbg( p_intf, "Handshake successfull :)" ); + p_sys->b_handshaked = true; + p_sys->i_interval = 0; + p_sys->next_exchange = mdate(); + break; - net_Read( p_this, p_sys->i_post_socket, NULL, - p_buffer, 1024, VLC_FALSE ); - net_Close( p_sys->i_post_socket ); + case VLC_AUDIOSCROBBLER_EFATAL: + msg_Warn( p_intf, "Unloading..." ); + Unload( p_intf ); + return; - p_buffer_pos = strstr( ( char * ) p_buffer, "INTERVAL" ); + case VLC_EGENERIC: + default: + /* protocol error : we'll try later */ + HandleInterval( &p_sys->next_exchange, &p_sys->i_interval ); + break; + } + /* if handshake failed let's restart the loop */ + if( p_sys->b_handshaked == false ) + continue; + } - if ( p_buffer_pos ) - { - p_sys->i_interval = atoi( p_buffer_pos + - strlen( "INTERVAL " ) ); - time( &p_sys->time_last_interval ); - } + msg_Dbg( p_intf, "Going to submit some data..." ); - p_buffer_pos = strstr( ( char * ) p_buffer, "FAILED" ); + if( !asprintf( &psz_submit, "s=%s", p_sys->psz_auth_token ) ) + { /* Out of memory */ + Unload( p_intf ); + return; + } - if ( p_buffer_pos ) - { - msg_Err( p_this, p_buffer_pos ); - vlc_mutex_unlock ( &p_sys->lock ); - return; - } + /* forge the HTTP POST request */ + vlc_mutex_lock( &p_sys->lock ); + audioscrobbler_song_t *p_song; + for( i_song = 0 ; i_song < p_sys->i_songs ; i_song++ ) + { + 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=%ju&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, (uintmax_t)p_song->date, 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 + ) ) + { /* Out of memory */ + vlc_mutex_unlock( &p_sys->lock ); + Unload( p_intf ); + return; + } + psz_submit_tmp = psz_submit; + if( !asprintf( &psz_submit, "%s%s", + psz_submit_tmp, psz_submit_song ) ) + { /* Out of memory */ + free( psz_submit_tmp ); + free( psz_submit_song ); + vlc_mutex_unlock( &p_sys->lock ); + Unload( p_intf ); + return; + } + free( psz_submit_song ); + free( psz_submit_tmp ); + } + vlc_mutex_unlock( &p_sys->lock ); - p_buffer_pos = strstr( ( char * ) p_buffer, "BADAUTH" ); + i_post_socket = net_ConnectTCP( p_intf, + p_sys->psz_submit_host, p_sys->i_submit_port ); - 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 ); - } + if ( i_post_socket == -1 ) + { + /* If connection fails, we assume we must handshake again */ + HandleInterval( &p_sys->next_exchange, &p_sys->i_interval ); + p_sys->b_handshaked = false; + free( psz_submit ); + continue; } - msleep( INTF_IDLE_SLEEP ); - p_playlist = pl_Yield( p_this ); - PL_LOCK; - if( p_playlist->request.i_status == PLAYLIST_STOPPED ) + /* we transmit the data */ + i_net_ret = net_Printf( + VLC_OBJECT( p_intf ), i_post_socket, NULL, + POST_REQUEST, p_sys->psz_submit_file, + (unsigned)strlen( psz_submit ), p_sys->psz_submit_file, + VERSION, psz_submit + ); + + free( psz_submit ); + if ( i_net_ret == -1 ) { - 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 ); + /* If connection fails, we assume we must handshake again */ + HandleInterval( &p_sys->next_exchange, &p_sys->i_interval ); + p_sys->b_handshaked = false; + continue; } - else + + i_net_ret = net_Read( p_intf, i_post_socket, NULL, + p_buffer, 1023, false ); + if ( i_net_ret <= 0 ) { - PL_UNLOCK; + /* if we get no answer, something went wrong : try again */ + continue; } - pl_Release( p_playlist ); - vlc_mutex_lock( &p_sys->lock ); + net_Close( i_post_socket ); + p_buffer[i_net_ret] = '\0'; - if( p_sys->b_metadata_read == VLC_FALSE ) + p_buffer_pos = strstr( ( char * ) p_buffer, "FAILED" ); + if ( p_buffer_pos ) { - time( &played_time ); - played_time -= p_sys->p_current_song->time_playing; - played_time -= p_sys->time_total_pauses; - + msg_Warn( p_intf, "%s", p_buffer_pos ); + HandleInterval( &p_sys->next_exchange, &p_sys->i_interval ); + continue; + } - vlc_mutex_unlock( &p_sys->lock ); + p_buffer_pos = strstr( ( char * ) p_buffer, "BADSESSION" ); + if ( p_buffer_pos ) + { + msg_Err( p_intf, "Authentication failed (BADSESSION), are you connected to last.fm with another program ?" ); + p_sys->b_handshaked = false; + HandleInterval( &p_sys->next_exchange, &p_sys->i_interval ); + continue; + } - /* ok now we can read meta data */ - if( played_time > 10 ) - { - ReadMetaData( p_this ); - } + p_buffer_pos = strstr( ( char * ) p_buffer, "OK" ); + if ( p_buffer_pos ) + { + int i; + for( i = 0; i < p_sys->i_songs; i++ ) + DeleteSong( &p_sys->p_queue[i] ); + p_sys->i_songs = 0; + p_sys->i_interval = 0; + p_sys->next_exchange = mdate(); + msg_Dbg( p_intf, "Submission successful!" ); } 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 ); - } + msg_Err( p_intf, "Authentication failed, handshaking again (%s)", + p_buffer ); + p_sys->b_handshaked = false; + HandleInterval( &p_sys->next_exchange, &p_sys->i_interval ); + continue; } } } @@ -534,29 +466,26 @@ static void Run( intf_thread_t *p_this ) 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; - - p_intf = ( intf_thread_t* ) p_data; - p_sys = p_intf->p_sys; - - (void)p_this; (void)psz_var; (void)oldval; + intf_thread_t *p_intf = ( intf_thread_t* ) p_data; + intf_sys_t *p_sys = p_intf->p_sys; - vlc_mutex_lock( &p_sys->lock ); + VLC_UNUSED( p_this ); VLC_UNUSED( psz_var ); - if( newval.i_int == PAUSE_S ) - { - time( &p_sys->time_pause ); - p_sys->b_paused = VLC_TRUE; - } + if( p_intf->b_dead ) + return VLC_SUCCESS; - if( newval.i_int == PLAYING_S ) + if( p_sys->b_meta_read == false && newval.i_int >= 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( newval.i_int >= END_S ) + AddToQueue( p_intf ); + else if( oldval.i_int == PLAYING_S && newval.i_int == PAUSE_S ) + p_sys->time_pause = mdate(); + else if( oldval.i_int == PAUSE_S && newval.i_int == PLAYING_S ) + p_sys->time_total_pauses += ( mdate() - p_sys->time_pause ); return VLC_SUCCESS; } @@ -568,35 +497,30 @@ 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; - - time_t epoch; - struct tm *epoch_tm; + 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; + vlc_value_t video_val; - char psz_date[20]; + VLC_UNUSED( p_this ); VLC_UNUSED( psz_var ); + VLC_UNUSED( oldval ); VLC_UNUSED( newval ); - (void)p_this; (void)psz_var; (void)oldval; (void)newval; + if( p_intf->b_dead ) + return VLC_SUCCESS; - p_intf = ( intf_thread_t* ) p_data; - p_sys = p_intf->p_sys; + p_sys->b_state_cb = false; + p_sys->b_meta_read = false; + p_sys->b_submit = false; p_playlist = pl_Yield( p_intf ); PL_LOCK; p_input = p_playlist->p_input; - if( !p_input ) + if( !p_input || p_input->b_dead ) { 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 ); return VLC_SUCCESS; } @@ -604,34 +528,32 @@ static int ItemChange( vlc_object_t *p_this, const char *psz_var, PL_UNLOCK; pl_Release( p_playlist ); - var_AddCallback( p_input, "state", PlayingChange, p_intf ); + p_item = input_GetItem( p_input ); + if( !p_item ) + { + vlc_object_release( p_input ); + return VLC_SUCCESS; + } - vlc_mutex_lock ( &p_sys->lock ); + var_Change( p_input, "video-es", VLC_VAR_CHOICESCOUNT, &video_val, NULL ); + if( ( video_val.i_int > 0 ) || p_item->i_type == ITEM_TYPE_NET ) + { + msg_Dbg( p_this, "Not an audio local file, not submitting"); + vlc_object_release( p_input ); + return VLC_SUCCESS; + } - /* reset pause counter */ 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 */ - /* we save the p_input value to delete the callback later */ - p_sys->p_input = p_input; - - /* we'll read after to be sure it's present */ - p_sys->b_metadata_read = VLC_FALSE; - - p_sys->b_queued = VLC_TRUE; - - 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_sys->p_current_song->psz_i = encode_URI_component( psz_date ); - p_sys->p_current_song->time_playing = epoch; + var_AddCallback( p_input, "state", PlayingChange, p_intf ); + p_sys->b_state_cb = true; - p_sys->b_paused = ( p_input->b_dead || !p_input->input.p_item->psz_name ) - ? VLC_TRUE : VLC_FALSE; - - vlc_mutex_unlock( &p_sys->lock ); + 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 */ vlc_object_release( p_input ); return VLC_SUCCESS; @@ -640,503 +562,462 @@ static int ItemChange( vlc_object_t *p_this, const char *psz_var, /***************************************************************************** * AddToQueue: Add the played song to the queue to be submitted *****************************************************************************/ -static int AddToQueue ( intf_thread_t *p_this ) +static void AddToQueue ( intf_thread_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; - - p_sys = p_this->p_sys; + mtime_t played_time; + intf_sys_t *p_sys = p_this->p_sys; - /* has it been queued already ? is it long enough ? */ vlc_mutex_lock( &p_sys->lock ); - if( p_sys->p_current_song->i_l < 30 ) - { - 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_submit ) + goto end; /* 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; + played_time = mdate() - p_sys->p_current_song.i_start - + p_sys->time_total_pauses; + played_time /= 1000000; /* µs → s */ - if( ( played_time < 240 ) - && ( played_time < ( p_sys->p_current_song->i_l / 2 ) ) ) + if( ( played_time < 240 ) && + ( played_time < ( p_sys->p_current_song.i_l / 2 ) ) ) { - vlc_mutex_unlock ( &p_sys->lock ); - return VLC_SUCCESS; + msg_Dbg( p_this, "Song not listened long enough, not submitting" ); + goto end; } - msg_Dbg( p_this, "Ok. We'll put it in the queue for submission" ); - - p_queue = p_sys->p_first_queue; - - while( ( p_queue->i_songs_nb == 10 ) && ( p_queue->p_next_queue != NULL ) ) + if( p_sys->p_current_song.i_l < 30 ) { - p_queue = p_queue->p_next_queue; + msg_Dbg( p_this, "Song too short (< 30s), not submitting" ); + goto end; } - i_songs_nb = p_queue->i_songs_nb; - - if( i_songs_nb == 10 ) + 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 ) { - p_next_queue = malloc( sizeof( audioscrobbler_queue_t ) ); - if( !p_next_queue ) - { - vlc_mutex_unlock ( &p_sys->lock ); - return VLC_ENOMEM; - } - 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; + msg_Dbg( p_this, "Missing artist or title, not submitting" ); +/*XXX*/ msg_Dbg( p_this, "%s %s", p_sys->p_current_song.psz_a, p_sys->p_current_song.psz_t ); + goto end; } - p_queue->p_queue[i_songs_nb] = malloc( sizeof( audioscrobbler_song_t ) ); + if( p_sys->i_songs >= QUEUE_MAX ) + { + msg_Warn( p_this, "Submission queue is full, not submitting" ); + goto end; + } - p_queue->p_queue[i_songs_nb]->i_l = p_sys->p_current_song->i_l; + msg_Dbg( p_this, "Song will be submitted." ); - p_queue->p_queue[i_songs_nb]->psz_a = - strdup( p_sys->p_current_song->psz_a ); +#define QUEUE_COPY( a ) \ + p_sys->p_queue[p_sys->i_songs].a = p_sys->p_current_song.a - p_queue->p_queue[i_songs_nb]->psz_t = - strdup( p_sys->p_current_song->psz_t ); +#define QUEUE_COPY_NULL( a ) \ + QUEUE_COPY( a ); \ + p_sys->p_current_song.a = NULL - p_queue->p_queue[i_songs_nb]->psz_b = - strdup( p_sys->p_current_song->psz_b ); + 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_queue->p_queue[i_songs_nb]->psz_i = - strdup( p_sys->p_current_song->psz_i ); + p_sys->i_songs++; - p_queue->i_songs_nb++; - p_sys->b_queued = VLC_TRUE; + /* signal the main loop we have something to submit */ + vlc_object_signal( VLC_OBJECT( p_this ) ); +end: + DeleteSong( &p_sys->p_current_song ); + p_sys->b_submit = false; vlc_mutex_unlock( &p_sys->lock ); - - return VLC_SUCCESS; } /***************************************************************************** - * Handshake : Init audioscrobbler connection + * 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 Handshake( intf_thread_t *p_this ) +static int ParseURL( char *psz_url, char **psz_host, char **psz_file, + int *i_port ) { - char *psz_password = NULL; - struct md5_s *p_struct_md5 = NULL; - char *psz_password_md5 = NULL; - char *ps_challenge_md5 = NULL; + int i_pos; + int i_len = strlen( psz_url ); + FREENULL( *psz_host ); + FREENULL( *psz_file ); - 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; + i_pos = strcspn( psz_url, ":" ); + if( i_pos == i_len ) + return VLC_EGENERIC; - char *b1, *b2, *b3, *b4; + *psz_host = strndup( psz_url, i_pos ); + if( !*psz_host ) + return VLC_ENOMEM; - intf_thread_t *p_intf; - intf_sys_t *p_sys; + i_pos++; /* skip the ':' */ + *i_port = atoi( psz_url + i_pos ); + if( *i_port <= 0 ) + { + FREENULL( *psz_host ); + return VLC_EGENERIC; + } - p_intf = ( intf_thread_t* ) p_this; - p_sys = p_this->p_sys; + i_pos = strcspn( psz_url, "/" ); - vlc_mutex_lock ( &p_sys->lock ); + if( i_pos == i_len ) + return VLC_EGENERIC; - p_sys->psz_username = config_GetPsz(p_this, "lastfm-username"); - if ( !p_sys->psz_username ) + i_pos++; /* skip the '/' */ + *psz_file = strdup( psz_url + i_pos ); + if( !*psz_file ) { - goto memerror; + FREENULL( *psz_host ); + return VLC_ENOMEM; } + free( psz_url ); + return VLC_SUCCESS; +} - if ( !*p_sys->psz_username ) - { - msg_Info( p_this, "You have to set an username! " - "Visit https://www.last.fm/join/" ); - return VLC_ENOVAR; - } +/***************************************************************************** + * Handshake : Init audioscrobbler connection + *****************************************************************************/ +static int Handshake( intf_thread_t *p_this ) +{ + char *psz_username, *psz_password; + time_t timestamp; + char psz_timestamp[21]; - psz_handshake_url = malloc( 1024 ); - if ( !psz_handshake_url ) - { - goto memerror; - } + struct md5_s p_struct_md5; - 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 ); + stream_t *p_stream; + char *psz_handshake_url; + uint8_t p_buffer[1024]; + char *p_buffer_pos; - p_stream = stream_UrlNew( p_intf, psz_handshake_url); + int i_ret; + char *psz_url; - free( psz_handshake_url ); + intf_thread_t *p_intf = ( intf_thread_t* ) p_this; + intf_sys_t *p_sys = p_this->p_sys; - if( !p_stream ) - { - p_sys->i_interval = DEFAULT_INTERVAL; - time( &p_sys->time_last_interval ); - vlc_mutex_unlock ( &p_sys->lock ); - return VLC_EGENERIC; - } + psz_username = config_GetPsz( p_this, "lastfm-username" ); + if( !psz_username ) + return VLC_ENOMEM; - p_buffer = ( uint8_t* ) calloc( 1, 1024 ); - if ( !p_buffer ) + psz_password = config_GetPsz( p_this, "lastfm-password" ); + if( !psz_password ) { - stream_Delete( p_stream ); - goto memerror; + free( psz_username ); + return VLC_ENOMEM; } - if ( stream_Read( p_stream, p_buffer, 1024 ) == 0 ) + /* username or password have not been setup */ + if ( !*psz_username || !*psz_password ) { - stream_Delete( p_stream ); - free( p_buffer ); - vlc_mutex_unlock ( &p_sys->lock ); - return VLC_EGENERIC; + free( psz_username ); + free( psz_password ); + return VLC_ENOVAR; } - stream_Delete( p_stream ); + time( ×tamp ); - 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 ); - } + /* 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_buffer_pos = strstr( ( char * ) p_buffer, "FAILED" ); + free( psz_password ); - if ( p_buffer_pos ) + char *psz_password_md5 = psz_md5_hash( &p_struct_md5 ); + if( !psz_password_md5 ) { - msg_Info( p_this, p_buffer_pos ); - free( p_buffer ); - vlc_mutex_unlock ( &p_sys->lock ); - return VLC_EGENERIC; + free( psz_username ); + return VLC_ENOMEM; } - p_buffer_pos = strstr( ( char * ) p_buffer, "BADUSER" ); + snprintf( psz_timestamp, sizeof( psz_timestamp ), "%"PRIu64, + (uint64_t)timestamp ); - if ( p_buffer_pos ) - { - msg_Info( p_intf, "Username is incorrect" ); - free( p_buffer ); - vlc_mutex_unlock ( &p_sys->lock ); - return VLC_EGENERIC; - } - - p_buffer_pos = strstr( ( char * ) p_buffer, "UPDATE" ); + /* 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 ); - if ( p_buffer_pos ) + char *psz_auth_token = psz_md5_hash( &p_struct_md5 ); + if( !psz_auth_token ) { - msg_Dbg( p_intf, "Protocol updated" ); - msg_Dbg( p_intf, p_buffer_pos ); + free( psz_username ); + return VLC_ENOMEM; } + strncpy( p_sys->psz_auth_token, psz_auth_token, 33 ); + free( psz_auth_token ); - else + if( !asprintf( &psz_handshake_url, + "http://post.audioscrobbler.com/?hs=true&p=1.2&c=%s&v=%s&u=%s&t=%s&a=%s", + CLIENT_NAME, CLIENT_VERSION, psz_username, psz_timestamp, + p_sys->psz_auth_token ) ) { - 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; - } + free( psz_username ); + return VLC_ENOMEM; } + free( psz_username ); - psz_buffer_substring = strndup( strstr( p_buffer_pos, "\n" ) + 1, 32 ); - if ( !psz_buffer_substring ) - { - 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 ); - } + /* send the http handshake request */ + p_stream = stream_UrlNew( p_intf, psz_handshake_url ); + free( psz_handshake_url ); - p_buffer_pos = ( void* ) strstr( ( char* ) p_buffer, "http://" ); + if( !p_stream ) + return VLC_EGENERIC; - if ( p_sys->psz_submit_host != NULL ) + /* read answer */ + i_ret = stream_Read( p_stream, p_buffer, 1023 ); + if( i_ret == 0 ) { - free( p_sys->psz_submit_host ); + stream_Delete( p_stream ); + return VLC_EGENERIC; } + p_buffer[i_ret] = '\0'; + stream_Delete( p_stream ); - if ( p_sys->psz_submit_file != NULL ) + p_buffer_pos = strstr( ( char* ) p_buffer, "FAILED " ); + if ( p_buffer_pos ) { - free( p_sys->psz_submit_file ); + /* handshake request failed, sorry */ + msg_Err( p_this, "last.fm handshake failed: %s", p_buffer_pos + 7 ); + return VLC_EGENERIC; } - psz_url_parser = p_buffer_pos + strlen( "http://" ); - - i_url_pos = strcspn( psz_url_parser, ":" ); - p_sys->psz_submit_host = strndup( psz_url_parser, i_url_pos ); - - p_sys->i_submit_port = atoi( psz_url_parser + i_url_pos + 1 ); - - 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 ); - - free(p_buffer); - - p_struct_md5 = malloc( sizeof( struct md5_s ) ); - if( !p_struct_md5 ) + p_buffer_pos = strstr( ( char* ) p_buffer, "BADAUTH" ); + if ( p_buffer_pos ) { - goto memerror; + /* authentication failed, bad username/password combination */ + intf_UserFatal( p_this, false, + _("last.fm: Authentication failed"), + _("last.fm username or password is incorrect. " + "Please verify your settings and relaunch VLC." ) ); + return VLC_AUDIOSCROBBLER_EFATAL; } - psz_password = config_GetPsz(p_this, "lastfm-password"); - if ( !psz_password ) + p_buffer_pos = strstr( ( char* ) p_buffer, "BANNED" ); + if ( p_buffer_pos ) { - goto memerror; + /* 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; } - 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 ) + p_buffer_pos = strstr( ( char* ) p_buffer, "BADTIME" ); + if ( p_buffer_pos ) { - goto memerror; + /* 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; } - 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 ); - } + p_buffer_pos = strstr( ( char* ) p_buffer, "OK" ); + if ( !p_buffer_pos ) + goto proto; - strlwr( psz_password_md5 ); + p_buffer_pos = strstr( p_buffer_pos, "\n" ); + if( !p_buffer_pos || strlen( p_buffer_pos ) < 34 ) + goto proto; + p_buffer_pos++; /* we skip the '\n' */ - 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 ); + /* save the session ID */ + snprintf( p_sys->psz_auth_token, 33, "%s", p_buffer_pos ); - free( ps_challenge_md5 ); - free( psz_password_md5 ); + p_buffer_pos = strstr( p_buffer_pos, "http://" ); + if( !p_buffer_pos || strlen( p_buffer_pos ) == 7 ) + goto proto; - for ( i = 0; i < 4; i++ ) + /* 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; + + switch( ParseURL( psz_url, &p_sys->psz_nowp_host, + &p_sys->psz_nowp_file, &p_sys->i_nowp_port ) ) { - 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; } +#endif + p_buffer_pos = strstr( p_buffer_pos, "http://" ); + if( !p_buffer_pos || strlen( p_buffer_pos ) == 7 ) + goto proto; - p_sys->psz_response_md5[32] = 0; - - strlwr( p_sys->psz_response_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; - vlc_mutex_unlock ( &p_sys->lock ); + switch( ParseURL( psz_url, &p_sys->psz_submit_host, + &p_sys->psz_submit_file, &p_sys->i_submit_port ) ) + { + case VLC_ENOMEM: + goto oom; + case VLC_EGENERIC: + goto proto; + case VLC_SUCCESS: + default: + break; + } 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; -} -/***************************************************************************** - * strlwr : Converts a string to lower case - *****************************************************************************/ -#if !defined(strlwr) && !defined( WIN32 ) -char* strlwr(char *psz_string) -{ - while ( *psz_string ) - { - *psz_string++ = tolower( *psz_string ); - } - return psz_string; +proto: + msg_Err( p_intf, "Handshake: can't recognize server protocol" ); + return VLC_EGENERIC; } -#endif /***************************************************************************** - * DeleteQueue : Free all songs from an audioscrobbler_queue_t + * DeleteSong : Delete the char pointers in a song *****************************************************************************/ -void DeleteQueue( audioscrobbler_queue_t *p_queue ) +static void DeleteSong( audioscrobbler_song_t* p_song ) { - int i; - - for( i = 0; i < p_queue->i_songs_nb; i++ ) - { - 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] ); - } + 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 ); } /***************************************************************************** - * ReadMetaData : Puts current song's meta data in p_sys->p_current_song + * ReadMetaData : Read meta data when parsed by vlc *****************************************************************************/ static int ReadMetaData( intf_thread_t *p_this ) { 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; + input_thread_t *p_input; + input_item_t *p_item; + + intf_sys_t *p_sys = p_this->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; + PL_UNLOCK; + pl_Release( p_playlist ); + return( VLC_SUCCESS ); } vlc_object_yield( p_input ); PL_UNLOCK; pl_Release( p_playlist ); - if ( p_input->input.p_item->i_type == ITEM_TYPE_NET ) - { - msg_Dbg( p_this, "We play a stream -> no submission"); - goto no_submission; - } + p_item = input_GetItem( p_input ); + if( !p_item ) + return VLC_SUCCESS; - var_Change( p_input, "video-es", VLC_VAR_CHOICESCOUNT, &video_val, NULL ); - if( video_val.i_int > 0 ) - { - msg_Dbg( p_this, "We play a video -> no submission"); - goto no_submission; + char *psz_meta; +#define ALLOC_ITEM_META( a, b ) \ + psz_meta = input_item_Get##b( p_item ); \ + if( psz_meta && *psz_meta ) \ + { \ + a = encode_URI_component( psz_meta ); \ + if( !a ) \ + { \ + free( psz_meta ); \ + return VLC_ENOMEM; \ + } \ + free( psz_meta ); \ } - 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; - } + vlc_mutex_lock( &p_sys->lock ); - 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; - } - } + p_sys->b_meta_read = true; + + ALLOC_ITEM_META( p_sys->p_current_song.psz_a, Artist ) else { - msg_Dbg( p_this, "No album.." ); - goto no_submission; + vlc_mutex_unlock( &p_sys->lock ); + msg_Dbg( p_this, "No artist.." ); + vlc_object_release( p_input ); + free( psz_meta ); + return VLC_EGENERIC; } - if ( p_input->input.p_item->psz_name ) - { - psz_title = encode_URI_component( p_input->input.p_item->psz_name ); - if ( !psz_title ) - { - goto error; - } - } + ALLOC_ITEM_META( p_sys->p_current_song.psz_t, Title ) else { + vlc_mutex_unlock( &p_sys->lock ); msg_Dbg( p_this, "No track name.." ); - goto no_submission; + vlc_object_release( p_input ); + free( p_sys->p_current_song.psz_a ); + free( psz_meta ); + return VLC_EGENERIC; } - i_length = p_input->input.p_item->i_duration / 1000000; - - vlc_object_release( p_input ); - - vlc_mutex_lock ( &p_sys->lock ); - - 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; + /* Now we have read the mandatory meta data, so we can submit that info */ + p_sys->b_submit = true; - vlc_mutex_unlock ( &p_sys->lock ); + ALLOC_ITEM_META( p_sys->p_current_song.psz_b, Album ) + else + p_sys->p_current_song.psz_b = calloc( 1, 1 ); - msg_Dbg( p_this, "Meta data registered, waiting to be queued" ); + ALLOC_ITEM_META( p_sys->p_current_song.psz_m, TrackID ) + else + p_sys->p_current_song.psz_m = calloc( 1, 1 ); - free( psz_title ); - free( psz_artist ); - free( psz_album ); + p_sys->p_current_song.i_l = input_item_GetDuration( p_item ) / 1000000; - return VLC_SUCCESS; + ALLOC_ITEM_META( p_sys->p_current_song.psz_n, TrackNum ) + else + p_sys->p_current_song.psz_n = calloc( 1, 1 ); +#undef ALLOC_ITEM_META -error: - free( psz_artist ); - free( psz_album ); - free( psz_title ); - return VLC_ENOMEM; + msg_Dbg( p_this, "Meta data registered" ); -no_submission: + vlc_mutex_unlock( &p_sys->lock ); vlc_object_release( p_input ); + return VLC_SUCCESS; - free( psz_title ); - free( psz_artist ); - free( psz_album ); - - 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 ); +} - return VLC_SUCCESS; +static void HandleInterval( mtime_t *next, unsigned int *i_interval ) +{ + if( *i_interval == 0 ) + { + /* first interval is 1 minute */ + *i_interval = 1; + } + else + { + /* 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 ); } +