void PropagateUploadFileQNAM::start()
{
if (_propagator->_abortRequested.fetchAndAddRelaxed(0))
return;
_file = new QFile(_propagator->_localDir + _item._file, this);
if (!_file->open(QIODevice::ReadOnly)) {
done(SyncFileItem::NormalError, _file->errorString());
delete _file;
return;
}
quint64 fileSize = _file->size();
_chunkCount = std::ceil(fileSize/double(chunkSize()));
_startChunk = 0;
_transferId = qrand() ^ _item._modtime ^ (_item._size << 16);
const SyncJournalDb::UploadInfo progressInfo = _propagator->_journal->getUploadInfo(_item._file);
if (progressInfo._valid && Utility::qDateTimeToTime_t(progressInfo._modtime) == _item._modtime ) {
_startChunk = progressInfo._chunk;
_transferId = progressInfo._transferid;
qDebug() << Q_FUNC_INFO << _item._file << ": Resuming from chunk " << _startChunk;
}
_currentChunk = 0;
_duration.start();
_propagator->_activeJobs++;
emit progress(_item, 0);
emitReady();
this->startNextChunk();
}
void PropagateUploadFileQNAM::startNextChunk()
{
if (_propagator->_abortRequested.fetchAndAddRelaxed(0))
return;
if (! _jobs.isEmpty() && _currentChunk + _startChunk >= _chunkCount - 1) {
// Don't do parallel upload of chunk if this might be the last chunk because the server cannot handle that
// https://github.com/owncloud/core/issues/11106
// We return now and when the _jobs will be finished we will proceed the last chunk
return;
}
quint64 fileSize = _item._size;
QMap<QByteArray, QByteArray> headers;
headers["OC-Total-Length"] = QByteArray::number(fileSize);
headers["OC-Async"] = "1";
headers["Content-Type"] = "application/octet-stream";
headers["X-OC-Mtime"] = QByteArray::number(qint64(_item._modtime));
if (!_item._etag.isEmpty() && _item._etag != "empty_etag" &&
_item._instruction != CSYNC_INSTRUCTION_NEW // On new files never send a If-Match
) {
// We add quotes because the owncloud server always add quotes around the etag, and
// csync_owncloud.c's owncloud_file_id always strip the quotes.
headers["If-Match"] = '"' + _item._etag + '"';
}
QString path = _item._file;
UploadDevice *device = 0;
if (_chunkCount > 1) {
int sendingChunk = (_currentChunk + _startChunk) % _chunkCount;
// XOR with chunk size to make sure everything goes well if chunk size change between runs
uint transid = _transferId ^ chunkSize();
path += QString("-chunking-%1-%2-%3").arg(transid).arg(_chunkCount).arg(sendingChunk);
headers["OC-Chunked"] = "1";
int currentChunkSize = chunkSize();
if (sendingChunk == _chunkCount - 1) { // last chunk
currentChunkSize = (fileSize % chunkSize());
if( currentChunkSize == 0 ) { // if the last chunk pretents to be 0, its actually the full chunk size.
currentChunkSize = chunkSize();
}
}
device = new UploadDevice(_file, chunkSize() * quint64(sendingChunk), currentChunkSize, &_propagator->_bandwidthManager);
} else {
device = new UploadDevice(_file, 0, fileSize, &_propagator->_bandwidthManager);
}
bool isOpen = true;
if (!device->isOpen()) {
isOpen = device->open(QIODevice::ReadOnly);
}
if( isOpen ) {
PUTFileJob* job = new PUTFileJob(AccountManager::instance()->account(), _propagator->_remoteFolder + path, device, headers, _currentChunk);
_jobs.append(job);
job->setTimeout(_propagator->httpTimeout() * 1000);
connect(job, SIGNAL(finishedSignal()), this, SLOT(slotPutFinished()));
connect(job, SIGNAL(uploadProgress(qint64,qint64)), this, SLOT(slotUploadProgress(qint64,qint64)));
connect(job, SIGNAL(uploadProgress(qint64,qint64)), device, SLOT(slotJobUploadProgress(qint64,qint64)));
connect(job, SIGNAL(destroyed(QObject*)), this, SLOT(slotJobDestroyed(QObject*)));
job->start();
_propagator->_activeJobs++;
_currentChunk++;
QByteArray env = qgetenv("OWNCLOUD_PARALLEL_CHUNK");
bool parallelChunkUpload = env=="true" || env =="1";;
if (_currentChunk + _startChunk >= _chunkCount - 1) {
// Don't do parallel upload of chunk if this might be the last chunk because the server cannot handle that
// https://github.com/owncloud/core/issues/11106
parallelChunkUpload = false;
}
if (parallelChunkUpload && (_propagator->_activeJobs < _propagator->maximumActiveJob())
&& _currentChunk < _chunkCount ) {
startNextChunk();
}
if (!parallelChunkUpload || _chunkCount - _currentChunk <= 0) {
emitReady();
}
} else {