/**
* Dequeues one item from the queue.
*/
SubmitItem* ScrobblerSubmitter::dequeueItem()
{
SubmitItem* item = 0;
if( m_lastSubmissionFinishTime > 0 && !m_holdFakeQueue && m_fakeQueue.getFirst() )
{
uint limit = QDateTime::currentDateTime( Qt::UTC ).toTime_t();
if ( m_submitQueue.getFirst() )
if ( m_submitQueue.getFirst()->playStartTime() <= limit )
limit = m_submitQueue.getFirst()->playStartTime();
if( m_lastSubmissionFinishTime + m_fakeQueue.getFirst()->length() <= limit )
{
m_fakeQueue.first();
item = m_fakeQueue.take();
// don't backdate earlier than we have to
if( m_lastSubmissionFinishTime + m_fakeQueueLength < limit )
item->m_playStartTime = limit - m_fakeQueueLength;
else
item->m_playStartTime = m_lastSubmissionFinishTime;
m_fakeQueueLength -= item->length();
}
}
if( !item )
{
m_submitQueue.first();
item = m_submitQueue.take();
}
if( item )
{
if( item->playStartTime() < m_lastSubmissionFinishTime )
{
// debug() << "play times screwed up? - " << item->artist() << " - " << item->title() << ": " << item->playStartTime() << " < " << m_lastSubmissionFinishTime << endl;
}
int add = 30;
if( item->length() / 2 + 1 > add )
add = item->length() / 2 + 1;
if( item->playStartTime() + add > m_lastSubmissionFinishTime )
m_lastSubmissionFinishTime = item->playStartTime() + add;
// Save submit queue to disk so it is more uptodate in case of crash.
saveSubmitQueue();
}
return item;
}
bool SubmitItem::operator==( const SubmitItem& item )
{
bool result = true;
if ( m_artist != item.artist() || m_album != item.album() || m_title != item.title() ||
m_length != item.length() || m_playStartTime != item.playStartTime() )
{
result = false;
}
return result;
}
/**
* Enqueues the given item for later submission.
*/
void ScrobblerSubmitter::enqueueItem( SubmitItem* item )
{
// Maintain max size of the queue, Audioscrobbler won't accept too old
// submissions anyway.
m_fakeQueue.first();
for ( uint size = m_fakeQueue.count() + m_submitQueue.count(); size >= 500; size-- )
{
SubmitItem* itemFromQueue = m_fakeQueue.getFirst();
m_fakeQueue.removeFirst();
if ( itemFromQueue )
{
debug() << "Dropping " << itemFromQueue->artist()
<< " - " << itemFromQueue->title() << " from fake queue" << endl;
m_fakeQueueLength -= itemFromQueue->length();
}
delete itemFromQueue;
}
m_submitQueue.first();
for ( uint size = m_submitQueue.count(); size >= 500; size-- )
{
SubmitItem* itemFromQueue = m_submitQueue.getFirst();
m_submitQueue.removeFirst();
debug() << "Dropping " << itemFromQueue->artist()
<< " - " << itemFromQueue->title() << " from submit queue" << endl;
delete itemFromQueue;
}
if( item->playStartTime() == 0 )
{
m_fakeQueue.inSort( item );
m_fakeQueueLength += item->length();
}
else
{
m_submitQueue.inSort( item );
}
if( !m_holdFakeQueue )
{
// Save submit queue to disk so it is more uptodate in case of crash.
saveSubmitQueue();
}
}
/**
* Flushes the submit queues
*/
void ScrobblerSubmitter::performSubmit()
{
QString data;
// Audioscrobbler accepts max 10 tracks on one submit.
SubmitItem* items[10];
for ( int submitCounter = 0; submitCounter < 10; submitCounter++ )
items[submitCounter] = 0;
if ( PROTOCOL_VERSION == "1.1" )
{
// Audioscrobbler protocol 1.1 (current)
// http://post.audioscrobbler.com/v1.1-lite.php
// u=<user>
// &s=<MD5 response>&
// a[0]=<artist 0>&t[0]=<track 0>&b[0]=<album 0>&
// m[0]=<mbid 0>&l[0]=<length 0>&i[0]=<time 0>&
// a[1]=<artist 1>&t[1]=<track 1>&b[1]=<album 1>&
// m[1]=<mbid 1>&l[1]=<length 1>&i[1]=<time 1>&
// ...
// a[n]=<artist n>&t[n]=<track n>&b[n]=<album n>&
// m[n]=<mbid n>&l[n]=<length n>&i[n]=<time n>&
data =
"u=" + KURL::encode_string_no_slash( m_username ) +
"&s=" +
KURL::encode_string_no_slash( KMD5( KMD5( m_password.utf8() ).hexDigest() +
m_challenge.utf8() ).hexDigest() );
m_submitQueue.first();
for ( int submitCounter = 0; submitCounter < 10; submitCounter++ )
{
SubmitItem* itemFromQueue = dequeueItem();
if ( itemFromQueue == 0 )
{
if( submitCounter == 0 )
{
// this shouldn't happen, since we shouldn't be scheduled until we have something to do!
debug() << "Nothing to submit!" << endl;
return;
}
else
{
break;
}
}
else
data += '&';
items[submitCounter] = itemFromQueue;
QDateTime playStartTime = QDateTime();
playStartTime.setTime_t( itemFromQueue->playStartTime() );
const QString count = QString::number( submitCounter );
data +=
"a[" + count + "]=" + KURL::encode_string_no_slash( itemFromQueue->artist(), 106 /*utf-8*/ ) +
"&t[" + count + "]=" + KURL::encode_string_no_slash( itemFromQueue->title(), 106 /*utf-8*/ ) +
"&b[" + count + "]=" + KURL::encode_string_no_slash( itemFromQueue->album(), 106 /*utf-8*/ ) +
"&m[" + count + "]=" +
"&l[" + count + "]=" + QString::number( itemFromQueue->length() ) +
"&i[" + count + "]=" + KURL::encode_string_no_slash( playStartTime.toString( "yyyy-MM-dd hh:mm:ss" ) );
}
}
else
{
debug() << "Submit not implemented for protocol version: " << PROTOCOL_VERSION << endl;
return;
}
debug() << "Submit data: " << data << endl;
m_submitResultBuffer = "";
m_inProgress = true;
KIO::TransferJob* job = KIO::http_post( m_submitUrl, data.utf8(), false );
job->addMetaData( "content-type", "Content-Type: application/x-www-form-urlencoded" );
// Loop in reverse order, which helps when items are later fetched from
// m_ongoingSubmits and possibly put back to queue, in correct order
// (i.e. oldest first).
for ( int submitCounter = 9; submitCounter >= 0; submitCounter-- )
if ( items[submitCounter] != 0 )
m_ongoingSubmits.insert( job, items[submitCounter] );
Amarok::StatusBar::instance()->newProgressOperation( job )
.setDescription( i18n( "Submitting to last.fm" ) );
connect( job, SIGNAL( result( KIO::Job* ) ),
this, SLOT( audioScrobblerSubmitResult( KIO::Job* ) ) );
connect( job, SIGNAL( data( KIO::Job*, const QByteArray& ) ),
this, SLOT( audioScrobblerSubmitData( KIO::Job*, const QByteArray& ) ) );
}