void ImageThread::errorHandler(QUrl url, int err) {
switch (err) {
case 202:
case 404:
if (isImage(url)) {
_blackList->add(url.toString());
setCompleted(url.toString(), "");
}
else {
// If there are still images in the list, wait until they finished (maybe they still exist)
// else close immediately
if (isDownloadFinished()) {
stop();
emit errorMessage("404 - Page not found");
emit closeRequest(this, 404);
}
else {
_closeWhenFinished = true;
}
}
break;
case 999:
emit errorMessage("You are banned");
break;
default:
QLOG_ERROR() << "ImageOverview :: Unhandled error (" << url.toString() << "," << err << ")";
break;
}
}
void Download::setBytesDownloaded(qint64 bytes)
{
m_bytesDownloaded = bytes;
if(isDownloadFinished())
emit downloadFinished();
}
void ImageThread::mergeImageList(QList<_IMAGE> list) {
bool imagesAdded;
imagesAdded = false;
for (int i=0; i<list.count(); i++) {
if(addImage(list.at(i)))
imagesAdded = true;
}
if (imagesAdded) {
QLOG_TRACE() << "ImageThread :: added images";
download(true);
}
else {
if (isDownloadFinished()) {
download(false);
}
}
}
void Download::calculateSpeed() const
{
if(!m_speedTimer.isValid()) {
m_speedTimer.start();
return;
}
if(isDownloadFinished()) {
m_speed = 0;
m_weightedSpeed = 0;
m_eta = QTime();
return;
}
qint64 elapsedTime = m_speedTimer.elapsed();
if(elapsedTime > 100) {
qint64 bytesProcessedSinceLastMeasurement = m_bytesDownloaded - m_bytesProcessedAtLastSpeedMeasurement;
if(bytesProcessedSinceLastMeasurement == 0
&& elapsedTime < 3000)
return;
if(m_bytesProcessedAtLastSpeedMeasurement < 0) {
m_bytesProcessedAtLastSpeedMeasurement = m_bytesDownloaded;
return;
}
m_bytesProcessedAtLastSpeedMeasurement = m_bytesDownloaded;
m_speed = bytesProcessedSinceLastMeasurement * 1000 / elapsedTime;
m_speed = qMax(qint64(0), m_speed);
if(m_weightedSpeed < 1000) // if weighted is less than 1kb/s just reset it.
m_weightedSpeed = m_speed;
else if(m_speed <= 0)
m_weightedSpeed /= 10;
else
m_weightedSpeed = m_speed * s_speedAlpha + m_weightedSpeed * (1 - s_speedAlpha);
m_weightedSpeed = qMax(qint64(0), m_weightedSpeed);
m_speedTimer.restart();
if(m_weightedSpeed <= 0) {
m_eta = QTime();
return;
}
qint64 bytesLeft = m_fileSize - m_bytesDownloaded;
if(bytesLeft < 0) {
m_eta = QTime();
return;
}
if(bytesLeft == 0) {
m_eta = QTime(0,0,0);
return;
}
m_eta = QTime(0,0,0);
m_eta = m_eta.addSecs(qint64(bytesLeft / m_weightedSpeed));
}
}
