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vlc-2-2
Commit b3b71030 authored by Rafaël Carré's avatar Rafaël Carré
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Cosmetics, add some comments 

Remove unneeded strlwr
parent 7f779f6a
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Showing with 66 additions and 94 deletions
modules/misc/audioscrobbler.c
View file @ b3b71030
......@@ -29,10 +29,6 @@
#define _GNU_SOURCE
#include <string.h>
#if !defined( strlwr ) && !defined( WIN32 )
#include <ctype.h>
#endif
#if defined( WIN32 )
#include <time.h>
#endif
......@@ -104,7 +100,7 @@ struct intf_sys_t
vlc_bool_t b_waiting_meta; /* we need fetched data? */
};
intf_sys_t *p_sys_global; /* for use same p_sys in all threads */
intf_sys_t *p_sys_global; /* to retrieve p_sys in Run() thread */
static int Open ( vlc_object_t * );
static void Close ( vlc_object_t * );
......@@ -119,10 +115,6 @@ static int ReadMetaData ( intf_thread_t *p_this );
static int ReadLocalMetaData( intf_thread_t *p_this, input_thread_t *p_input );
void DeleteQueue( audioscrobbler_queue_t *p_queue );
#if !defined(strlwr) && !defined( WIN32 )
char* strlwr(char *psz_string);
#endif
/*****************************************************************************
* Module descriptor
****************************************************************************/
......@@ -133,8 +125,10 @@ char* strlwr(char *psz_string);
#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")
/* if something goes wrong, we wait at least one minute before trying again */
#define DEFAULT_INTERVAL 60
/* last.fm client identifier */
#define CLIENT_NAME PACKAGE
#define CLIENT_VERSION VERSION
......@@ -287,11 +281,7 @@ static void Close( vlc_object_t *p_this )
free( p_current_queue );
vlc_mutex_lock ( &p_sys->lock );
if ( p_sys->psz_username )
{
free( p_sys->psz_username );
}
free( p_sys->psz_username );
free( p_sys->p_current_song );
vlc_mutex_unlock ( &p_sys->lock );
vlc_mutex_destroy( &p_sys->lock );
......@@ -304,8 +294,7 @@ static void Close( vlc_object_t *p_this )
static void Run( intf_thread_t *p_this )
{
char *psz_submit_string = NULL;
int i_handshake;
int i_netprintf;
int i_net_ret;
int i_song;
playlist_t *p_playlist;
uint8_t *p_buffer = NULL;
......@@ -317,31 +306,29 @@ static void Run( intf_thread_t *p_this )
p_this->p_sys = p_sys_global;
intf_sys_t *p_sys = p_this->p_sys;
/* main loop */
while( !p_this->b_die )
{
/* verify if there is data to submit
* and if waiting interval is finished */
if ( ( p_sys->p_first_queue->i_songs_nb > 0 ) &&
( time( NULL ) >=
( p_sys->time_last_interval + p_sys->i_interval ) ) )
{
/* handshake if needed */
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 ..." );
switch( Handshake( p_this ) )
{
msg_Dbg( p_this, "Handshaking with last.fm ..." );
i_handshake = Handshake( p_this );
if( i_handshake == VLC_ENOMEM )
{
case VLC_ENOMEM:
msg_Err( p_this, "Out of memory" );
return;
}
break;
else if( i_handshake == VLC_ENOVAR )
/* username not set */
{
case VLC_ENOVAR:
/* username not set */
vlc_mutex_unlock ( &p_sys->lock );
intf_UserFatal( p_this, VLC_FALSE,
_("last.fm username not set"),
......@@ -351,28 +338,26 @@ static void Run( intf_thread_t *p_this )
" if you don't have one.")
);
return;
}
break;
else if( i_handshake == VLC_SUCCESS )
{
case 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 );
}
break;
else
/* VLC_GENERIC : we'll try later */
{
case VLC_EGENERIC:
default:
/* VLC_EGENERIC : we'll try later */
vlc_mutex_lock ( &p_sys->lock );
p_sys->i_interval = DEFAULT_INTERVAL;
time( &p_sys->time_last_interval );
vlc_mutex_unlock ( &p_sys->lock );
}
break;
}
}
msg_Dbg( p_this, "Going to submit some data..." );
vlc_mutex_lock ( &p_sys->lock );
psz_submit_string = malloc( 2048 * sizeof( char ) );
......@@ -384,6 +369,7 @@ static void Run( intf_thread_t *p_this )
return;
}
/* forge the HTTP POST request */
for (i_song = 0; i_song < p_sys->p_first_queue->i_songs_nb ;
i_song++ )
{
......@@ -401,20 +387,21 @@ static void Run( intf_thread_t *p_this )
p_sys->i_post_socket = net_ConnectTCP( p_this,
p_sys->psz_submit_host, p_sys->i_submit_port);
i_netprintf = net_Printf(
/* we transmit the data */
i_net_ret = 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 ( i_net_ret == -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 );
vlc_mutex_unlock( &p_sys->lock );
continue;
}
......@@ -426,12 +413,19 @@ static void Run( intf_thread_t *p_this )
return;
}
net_Read( p_this, p_sys->i_post_socket, NULL,
i_net_ret = net_Read( p_this, p_sys->i_post_socket, NULL,
p_buffer, 1024, VLC_FALSE );
if ( i_net_ret <= 0 )
{
/* if we get no answer, something went wrong : try again */
vlc_mutex_unlock( &p_sys->lock );
continue;
}
net_Close( p_sys->i_post_socket );
/* record interval */
p_buffer_pos = strstr( ( char * ) p_buffer, "INTERVAL" );
if ( p_buffer_pos )
{
p_sys->i_interval = atoi( p_buffer_pos +
......@@ -440,18 +434,18 @@ static void Run( intf_thread_t *p_this )
}
p_buffer_pos = strstr( ( char * ) p_buffer, "FAILED" );
if ( p_buffer_pos )
{
/* woops, something failed */
msg_Dbg( p_this, p_buffer_pos );
vlc_mutex_unlock ( &p_sys->lock );
continue;
}
p_buffer_pos = strstr( ( char * ) p_buffer, "BADAUTH" );
if ( p_buffer_pos )
{
/* too much time elapsed after last handshake? */
msg_Dbg( p_this, "Authentification failed, handshaking again" );
p_sys->b_handshaked = VLC_FALSE;
vlc_mutex_unlock ( &p_sys->lock );
......@@ -459,11 +453,11 @@ static void Run( intf_thread_t *p_this )
}
p_buffer_pos = strstr( ( char * ) p_buffer, "OK" );
if ( p_buffer_pos )
{
if ( p_sys->p_first_queue->i_songs_nb == 10 )
{
/* if there are more than one queue, delete the 1st */
p_first_queue = p_sys->p_first_queue->p_next_queue;
DeleteQueue( p_sys->p_first_queue );
free( p_sys->p_first_queue );
......@@ -477,7 +471,7 @@ static void Run( intf_thread_t *p_this )
msg_Dbg( p_this, "Submission successfull!" );
}
vlc_mutex_unlock ( &p_sys->lock );
}
} /* data transmission finished or skipped */
msleep( INTF_IDLE_SLEEP );
......@@ -502,6 +496,7 @@ static void Run( intf_thread_t *p_this )
vlc_mutex_lock( &p_sys->lock );
if( p_sys->b_metadata_read == VLC_FALSE )
{
/* we read the metadata of the playing song */
/* TODO: remove when meta_engine works */
time( &played_time );
played_time -= p_sys->p_current_song->time_playing;
......@@ -521,6 +516,7 @@ static void Run( intf_thread_t *p_this )
}
else
{
/* we add the playing song into the queue */
if( ( p_sys->b_queued == VLC_FALSE )
&& ( p_sys->b_paused == VLC_FALSE ) )
{
......@@ -618,7 +614,6 @@ static int ItemChange( vlc_object_t *p_this, const char *psz_var,
/* we'll read metadata when it's present */
p_sys->b_metadata_read = VLC_FALSE;
p_sys->b_waiting_meta = VLC_FALSE;
p_sys->b_queued = VLC_TRUE;
time( &epoch );
epoch_tm = gmtime( &epoch );
......@@ -757,7 +752,6 @@ static int Handshake( intf_thread_t *p_this )
goto memerror;
}
if ( !*p_sys->psz_username )
{
return VLC_ENOVAR;
......@@ -773,6 +767,7 @@ static int Handshake( intf_thread_t *p_this )
"http://post.audioscrobbler.com/?hs=true&p=1.1&c=%s&v=%s&u=%s",
CLIENT_NAME, CLIENT_VERSION, p_sys->psz_username );
/* send the http handshake request */
p_stream = stream_UrlNew( p_intf, psz_handshake_url);
free( psz_handshake_url );
......@@ -790,18 +785,17 @@ static int Handshake( intf_thread_t *p_this )
goto memerror;
}
/* read answer */
if ( stream_Read( p_stream, p_buffer, 1024 ) == 0 )
{
stream_Delete( p_stream );
free( p_buffer );
vlc_mutex_unlock ( &p_sys->lock );
return VLC_EGENERIC;
goto generic_error;
}
stream_Delete( p_stream );
/* record interval before next submission */
p_buffer_pos = strstr( ( char * ) p_buffer, "INTERVAL" );
if ( p_buffer_pos )
{
p_sys->i_interval = atoi( p_buffer_pos + strlen( "INTERVAL " ) );
......@@ -809,31 +803,27 @@ static int Handshake( intf_thread_t *p_this )
}
p_buffer_pos = strstr( ( char * ) p_buffer, "FAILED" );
if ( p_buffer_pos )
{
/* handshake request failed */
msg_Dbg( p_this, p_buffer_pos );
free( p_buffer );
vlc_mutex_unlock ( &p_sys->lock );
return VLC_EGENERIC;
goto generic_error;
}
p_buffer_pos = strstr( ( char * ) p_buffer, "BADUSER" );
if ( p_buffer_pos )
{
/* username does not exist */
intf_UserFatal( p_this, VLC_FALSE, _("Bad last.fm Username"),
_("last.fm username is incorrect, please verify your settings")
);
free( p_buffer );
vlc_mutex_unlock ( &p_sys->lock );
return VLC_EGENERIC;
goto generic_error;
}
p_buffer_pos = strstr( ( char * ) p_buffer, "UPDATE" );
if ( p_buffer_pos )
{
/* protocol has been updated, developers need to work :) */
msg_Dbg( p_intf, "Protocol updated" );
msg_Dbg( p_intf, p_buffer_pos );
}
......@@ -844,9 +834,7 @@ static int Handshake( intf_thread_t *p_this )
if ( !p_buffer_pos )
{
msg_Dbg( p_intf, "Protocol error" );
free( p_buffer );
vlc_mutex_unlock ( &p_sys->lock );
return VLC_EGENERIC;
goto generic_error;
}
}
......@@ -868,15 +856,8 @@ static int Handshake( intf_thread_t *p_this )
p_buffer_pos = ( void* ) strstr( ( char* ) p_buffer, "http://" );
if ( p_sys->psz_submit_host != NULL )
{
free( p_sys->psz_submit_host );
}
if ( p_sys->psz_submit_file != NULL )
{
free( p_sys->psz_submit_file );
}
free( p_sys->psz_submit_host );
free( p_sys->psz_submit_file );
psz_url_parser = p_buffer_pos + strlen( "http://" );
......@@ -903,6 +884,7 @@ static int Handshake( intf_thread_t *p_this )
goto memerror;
}
/* 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 );
......@@ -925,8 +907,10 @@ static int Handshake( intf_thread_t *p_this )
);
}
strlwr( psz_password_md5 );
/* generates a md5 hash of :
* - md5 hash of the password
* - md5 challenge sent by last.fm server
*/
InitMD5( p_struct_md5 );
AddMD5( p_struct_md5, ( uint8_t* ) psz_password_md5, 32 );
AddMD5( p_struct_md5, ( uint8_t* ) ps_challenge_md5, 32 );
......@@ -947,35 +931,24 @@ static int Handshake( intf_thread_t *p_this )
p_sys->psz_response_md5[32] = 0;
strlwr( p_sys->psz_response_md5 );
vlc_mutex_unlock ( &p_sys->lock );
return VLC_SUCCESS;
generic_error:
free( p_buffer );
vlc_mutex_unlock( &p_sys->lock );
return VLC_EGENERIC;
memerror:
free( p_buffer );
free( p_struct_md5 );
free( psz_buffer_substring );
vlc_mutex_unlock ( &p_sys->lock );
vlc_mutex_unlock( &p_sys->lock );
return VLC_ENOMEM;
}
/*****************************************************************************
* 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;
}
#endif
/*****************************************************************************
* DeleteQueue : Free all songs from an audioscrobbler_queue_t
*****************************************************************************/
......@@ -1083,7 +1056,6 @@ static int ReadLocalMetaData( intf_thread_t *p_this, input_thread_t *p_input )
goto waiting_meta_data_fetching;
}
}
if ( p_input->input.p_item->psz_name )
{
psz_title = encode_URI_component( p_input->input.p_item->psz_name );
......
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