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 are finished we will proceed with the last chunk
// NOTE: Some other parts of the code such as slotUploadProgress also assume that the last chunk
// is sent last.
return;
}
quint64 fileSize = _item->_size;
QMap<QByteArray, QByteArray> headers;
headers["OC-Total-Length"] = QByteArray::number(fileSize);
headers["OC-Async"] = "1";
headers["OC-Chunk-Size"]= QByteArray::number(quint64(chunkSize()));
headers["Content-Type"] = "application/octet-stream";
headers["X-OC-Mtime"] = QByteArray::number(qint64(_item->_modtime));
if(_item->_file.contains(".sys.admin#recall#")) {
// This is a file recall triggered by the admin. Note: the
// recall list file created by the admin and downloaded by the
// client (.sys.admin#recall#) also falls into this category
// (albeit users are not supposed to mess up with it)
// We use a special tag header so that the server may decide to store this file away in some admin stage area
// And not directly in the user's area (which would trigger redownloads etc).
headers["OC-Tag"] = ".sys.admin#recall#";
}
if (!_item->_etag.isEmpty() && _item->_etag != "empty_etag"
&& _item->_instruction != CSYNC_INSTRUCTION_NEW // On new files never send a If-Match
&& _item->_instruction != CSYNC_INSTRUCTION_TYPE_CHANGE
&& !_deleteExisting
) {
// We add quotes because the owncloud server always adds quotes around the etag, and
// csync_owncloud.c's owncloud_file_id always strips the quotes.
headers["If-Match"] = '"' + _item->_etag + '"';
}
QString path = _item->_file;
UploadDevice *device = new UploadDevice(&_propagator->_bandwidthManager);
qint64 chunkStart = 0;
qint64 currentChunkSize = fileSize;
bool isFinalChunk = false;
if (_chunkCount > 1) {
int sendingChunk = (_currentChunk + _startChunk) % _chunkCount;
// XOR with chunk size to make sure everything goes well if chunk size changes between runs
uint transid = _transferId ^ chunkSize();
qDebug() << "Upload chunk" << sendingChunk << "of" << _chunkCount << "transferid(remote)=" << transid;
path += QString("-chunking-%1-%2-%3").arg(transid).arg(_chunkCount).arg(sendingChunk);
headers["OC-Chunked"] = "1";
chunkStart = chunkSize() * quint64(sendingChunk);
currentChunkSize = chunkSize();
if (sendingChunk == _chunkCount - 1) { // last chunk
currentChunkSize = (fileSize % chunkSize());
if( currentChunkSize == 0 ) { // if the last chunk pretends to be 0, its actually the full chunk size.
currentChunkSize = chunkSize();
}
isFinalChunk = true;
}
} else {
// if there's only one chunk, it's the final one
isFinalChunk = true;
}
if (isFinalChunk && !_transmissionChecksumType.isEmpty()) {
headers[checkSumHeaderC] = makeChecksumHeader(
_transmissionChecksumType, _transmissionChecksum);
}
const QString fileName = _propagator->getFilePath(_item->_file);
if (! device->prepareAndOpen(fileName, chunkStart, currentChunkSize)) {
qDebug() << "ERR: Could not prepare upload device: " << device->errorString();
// If the file is currently locked, we want to retry the sync
// when it becomes available again.
if (FileSystem::isFileLocked(fileName)) {
emit _propagator->seenLockedFile(fileName);
}
// Soft error because this is likely caused by the user modifying his files while syncing
abortWithError( SyncFileItem::SoftError, device->errorString() );
delete device;
return;
}
// job takes ownership of device via a QScopedPointer. Job deletes itself when finishing
PUTFileJob* job = new PUTFileJob(_propagator->account(), _propagator->_remoteFolder + path, device, headers, _currentChunk);
_jobs.append(job);
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->_activeJobList.append(this);
_currentChunk++;
bool parallelChunkUpload = true;
QByteArray env = qgetenv("OWNCLOUD_PARALLEL_CHUNK");
if (!env.isEmpty()) {
parallelChunkUpload = env != "false" && env != "0";
} else {
int versionNum = _propagator->account()->serverVersionInt();
if (versionNum < 0x080003) {
// Disable parallel chunk upload severs older than 8.0.3 to avoid too many
// internal sever errors (#2743, #2938)
parallelChunkUpload = false;
}
}
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->_activeJobList.count() < _propagator->maximumActiveJob())
&& _currentChunk < _chunkCount ) {
startNextChunk();
}
if (!parallelChunkUpload || _chunkCount - _currentChunk <= 0) {
emit ready();
}
}
void PropagateUploadFileQNAM::slotPutFinished()
{
PUTFileJob *job = qobject_cast<PUTFileJob *>(sender());
Q_ASSERT(job);
slotJobDestroyed(job); // remove it from the _jobs list
qDebug() << Q_FUNC_INFO << job->reply()->request().url() << "FINISHED WITH STATUS"
<< job->reply()->error()
<< (job->reply()->error() == QNetworkReply::NoError ? QLatin1String("") : job->reply()->errorString())
<< job->reply()->attribute(QNetworkRequest::HttpStatusCodeAttribute)
<< job->reply()->attribute(QNetworkRequest::HttpReasonPhraseAttribute);
_propagator->_activeJobList.removeOne(this);
if (_finished) {
// We have sent the finished signal already. We don't need to handle any remaining jobs
return;
}
QNetworkReply::NetworkError err = job->reply()->error();
#if QT_VERSION < QT_VERSION_CHECK(5, 4, 2)
if (err == QNetworkReply::OperationCanceledError && job->reply()->property(owncloudShouldSoftCancelPropertyName).isValid()) {
// Abort the job and try again later.
// This works around a bug in QNAM wich might reuse a non-empty buffer for the next request.
qDebug() << "Forcing job abort on HTTP connection reset with Qt < 5.4.2.";
_propagator->_anotherSyncNeeded = true;
abortWithError(SyncFileItem::SoftError, tr("Forcing job abort on HTTP connection reset with Qt < 5.4.2."));
return;
}
#endif
if (err != QNetworkReply::NoError) {
_item->_httpErrorCode = job->reply()->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
if(checkForProblemsWithShared(_item->_httpErrorCode,
tr("The file was edited locally but is part of a read only share. "
"It is restored and your edit is in the conflict file."))) {
return;
}
QByteArray replyContent = job->reply()->readAll();
qDebug() << replyContent; // display the XML error in the debug
QString errorString = errorMessage(job->errorString(), replyContent);
if (job->reply()->hasRawHeader("OC-ErrorString")) {
errorString = job->reply()->rawHeader("OC-ErrorString");
}
if (_item->_httpErrorCode == 412) {
// Precondition Failed: Maybe the bad etag is in the database, we need to clear the
// parent folder etag so we won't read from DB next sync.
_propagator->_journal->avoidReadFromDbOnNextSync(_item->_file);
_propagator->_anotherSyncNeeded = true;
}
SyncFileItem::Status status = classifyError(err, _item->_httpErrorCode,
&_propagator->_anotherSyncNeeded);
abortWithError(status, errorString);
return;
}
_item->_httpErrorCode = job->reply()->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
// The server needs some time to process the request and provide us with a poll URL
if (_item->_httpErrorCode == 202) {
_finished = true;
QString path = QString::fromUtf8(job->reply()->rawHeader("OC-Finish-Poll"));
if (path.isEmpty()) {
done(SyncFileItem::NormalError, tr("Poll URL missing"));
return;
}
startPollJob(path);
return;
}
// Check the file again post upload.
// Two cases must be considered separately: If the upload is finished,
// the file is on the server and has a changed ETag. In that case,
// the etag has to be properly updated in the client journal, and because
// of that we can bail out here with an error. But we can reschedule a
// sync ASAP.
// But if the upload is ongoing, because not all chunks were uploaded
// yet, the upload can be stopped and an error can be displayed, because
// the server hasn't registered the new file yet.
QByteArray etag = getEtagFromReply(job->reply());
bool finished = etag.length() > 0;
// Check if the file still exists
const QString fullFilePath(_propagator->getFilePath(_item->_file));
if( !FileSystem::fileExists(fullFilePath) ) {
if (!finished) {
abortWithError(SyncFileItem::SoftError, tr("The local file was removed during sync."));
return;
} else {
_propagator->_anotherSyncNeeded = true;
}
}
// Check whether the file changed since discovery.
if (! FileSystem::verifyFileUnchanged(fullFilePath, _item->_size, _item->_modtime)) {
_propagator->_anotherSyncNeeded = true;
if( !finished ) {
abortWithError(SyncFileItem::SoftError, tr("Local file changed during sync."));
// FIXME: the legacy code was retrying for a few seconds.
// and also checking that after the last chunk, and removed the file in case of INSTRUCTION_NEW
return;
}
}
if (!finished) {
// Proceed to next chunk.
if (_currentChunk >= _chunkCount) {
if (!_jobs.empty()) {
// just wait for the other job to finish.
return;
}
_finished = true;
done(SyncFileItem::NormalError, tr("The server did not acknowledge the last chunk. (No e-tag was present)"));
return;
}
// Deletes an existing blacklist entry on successful chunk upload
if (_item->_hasBlacklistEntry) {
_propagator->_journal->wipeErrorBlacklistEntry(_item->_file);
_item->_hasBlacklistEntry = false;
}
SyncJournalDb::UploadInfo pi;
pi._valid = true;
auto currentChunk = job->_chunk;
foreach (auto *job, _jobs) {
// Take the minimum finished one
if (auto putJob = qobject_cast<PUTFileJob*>(job)) {
currentChunk = qMin(currentChunk, putJob->_chunk - 1);
}
}
pi._chunk = (currentChunk + _startChunk + 1) % _chunkCount ; // next chunk to start with
pi._transferid = _transferId;
pi._modtime = Utility::qDateTimeFromTime_t(_item->_modtime);
_propagator->_journal->setUploadInfo(_item->_file, pi);
_propagator->_journal->commit("Upload info");
startNextChunk();
return;
}
// the following code only happens after all chunks were uploaded.
_finished = true;
// the file id should only be empty for new files up- or downloaded
QByteArray fid = job->reply()->rawHeader("OC-FileID");
if( !fid.isEmpty() ) {
if( !_item->_fileId.isEmpty() && _item->_fileId != fid ) {
qDebug() << "WARN: File ID changed!" << _item->_fileId << fid;
}
_item->_fileId = fid;
}
_item->_etag = etag;
_item->_responseTimeStamp = job->responseTimestamp();
if (job->reply()->rawHeader("X-OC-MTime") != "accepted") {
// X-OC-MTime is supported since owncloud 5.0. But not when chunking.
// Normally Owncloud 6 always puts X-OC-MTime
qWarning() << "Server does not support X-OC-MTime" << job->reply()->rawHeader("X-OC-MTime");
// Well, the mtime was not set
done(SyncFileItem::SoftError, "Server does not support X-OC-MTime");
}
// performance logging
_item->_requestDuration = _stopWatch.stop();
qDebug() << "*==* duration UPLOAD" << _item->_size
<< _stopWatch.durationOfLap(QLatin1String("ContentChecksum"))
<< _stopWatch.durationOfLap(QLatin1String("TransmissionChecksum"))
<< _item->_requestDuration;
finalize(*_item);
}
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 {
void PropagateUploadFileQNAM::slotPutFinished()
{
PUTFileJob *job = qobject_cast<PUTFileJob *>(sender());
Q_ASSERT(job);
slotJobDestroyed(job); // remove it from the _jobs list
qDebug() << Q_FUNC_INFO << job->reply()->request().url() << "FINISHED WITH STATUS"
<< job->reply()->error()
<< (job->reply()->error() == QNetworkReply::NoError ? QLatin1String("") : job->reply()->errorString())
<< job->reply()->attribute(QNetworkRequest::HttpStatusCodeAttribute)
<< job->reply()->attribute(QNetworkRequest::HttpReasonPhraseAttribute);
_propagator->_activeJobs--;
if (_finished) {
// We have send the finished signal already. We don't need to handle any remaining jobs
return;
}
QNetworkReply::NetworkError err = job->reply()->error();
if (err != QNetworkReply::NoError) {
_item._httpErrorCode = job->reply()->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
if(checkForProblemsWithShared(_item._httpErrorCode,
tr("The file was edited locally but is part of a read only share. "
"It is restored and your edit is in the conflict file."))) {
return;
}
QString errorString = job->errorString();
QByteArray replyContent = job->reply()->readAll();
qDebug() << replyContent; // display the XML error in the debug
QRegExp rx("<s:message>(.*)</s:message>"); // Issue #1366: display server exception
if (rx.indexIn(QString::fromUtf8(replyContent)) != -1) {
errorString += QLatin1String(" (") + rx.cap(1) + QLatin1Char(')');
}
if (job->reply()->hasRawHeader("OC-ErrorString")) {
errorString = job->reply()->rawHeader("OC-ErrorString");
}
if (_item._httpErrorCode == 412) {
// Precondition Failed: Maybe the bad etag is in the database, we need to clear the
// parent folder etag so we won't read from DB next sync.
_propagator->_journal->avoidReadFromDbOnNextSync(_item._file);
_propagator->_anotherSyncNeeded = true;
}
abortWithError(classifyError(err, _item._httpErrorCode), errorString);
return;
}
_item._httpErrorCode = job->reply()->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
// The server needs some time to process the request and provide with a poll URL
if (_item._httpErrorCode == 202) {
_finished = true;
QString path = QString::fromUtf8(job->reply()->rawHeader("OC-Finish-Poll"));
if (path.isEmpty()) {
done(SyncFileItem::NormalError, tr("Poll URL missing"));
return;
}
startPollJob(path);
return;
}
// Check the file again post upload.
// Two cases must be considered separately: If the upload is finished,
// the file is on the server and has a changed ETag. In that case,
// the etag has to be properly updated in the client journal, and because
// of that we can bail out here with an error. But we can reschedule a
// sync ASAP.
// But if the upload is ongoing, because not all chunks were uploaded
// yet, the upload can be stopped and an error can be displayed, because
// the server hasn't registered the new file yet.
QByteArray etag = getEtagFromReply(job->reply());
bool finished = etag.length() > 0;
// Check if the file still exists
const QString fullFilePath(_propagator->getFilePath(_item._file));
if( !FileSystem::fileExists(fullFilePath) ) {
if (!finished) {
abortWithError(SyncFileItem::SoftError, tr("The local file was removed during sync."));
return;
} else {
_propagator->_anotherSyncNeeded = true;
}
}
// compare expected and real modification time of the file and size
const time_t new_mtime = FileSystem::getModTime(fullFilePath);
const quint64 new_size = static_cast<quint64>(FileSystem::getSize(fullFilePath));
QFileInfo fi(_propagator->getFilePath(_item._file));
if (new_mtime != _item._modtime || new_size != _item._size) {
qDebug() << "The local file has changed during upload:"
<< "mtime: " << _item._modtime << "<->" << new_mtime
<< ", size: " << _item._size << "<->" << new_size
<< ", QFileInfo: " << Utility::qDateTimeToTime_t(fi.lastModified()) << fi.lastModified();
_propagator->_anotherSyncNeeded = true;
if( !finished ) {
abortWithError(SyncFileItem::SoftError, tr("Local file changed during sync."));
// FIXME: the legacy code was retrying for a few seconds.
// and also checking that after the last chunk, and removed the file in case of INSTRUCTION_NEW
return;
}
}
if (!finished) {
// Proceed to next chunk.
if (_currentChunk >= _chunkCount) {
if (!_jobs.empty()) {
// just wait for the other job to finish.
return;
}
_finished = true;
done(SyncFileItem::NormalError, tr("The server did not acknowledge the last chunk. (No e-tag were present)"));
return;
}
SyncJournalDb::UploadInfo pi;
pi._valid = true;
auto currentChunk = job->_chunk;
foreach (auto *job, _jobs) {
// Take the minimum finished one
currentChunk = qMin(currentChunk, job->_chunk - 1);
}
pi._chunk = (currentChunk + _startChunk + 1) % _chunkCount ; // next chunk to start with
pi._transferid = _transferId;
pi._modtime = Utility::qDateTimeFromTime_t(_item._modtime);
_propagator->_journal->setUploadInfo(_item._file, pi);
_propagator->_journal->commit("Upload info");
startNextChunk();
return;
}
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
// NOTE: Some other part of the code such as slotUploadProgress assume also that the last chunk
// is sent last.
return;
}
quint64 fileSize = _item._size;
QMap<QByteArray, QByteArray> headers;
headers["OC-Total-Length"] = QByteArray::number(fileSize);
headers["OC-Async"] = "1";
headers["OC-Chunk-Size"]= QByteArray::number(quint64(chunkSize()));
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 = new UploadDevice(&_propagator->_bandwidthManager);
qint64 chunkStart = 0;
qint64 currentChunkSize = fileSize;
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";
chunkStart = chunkSize() * quint64(sendingChunk);
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();
}
}
}
if (! device->prepareAndOpen(_propagator->getFilePath(_item._file), chunkStart, currentChunkSize)) {
qDebug() << "ERR: Could not prepare upload device: " << device->errorString();
// Soft error because this is likely caused by the user modifying his files while syncing
abortWithError( SyncFileItem::SoftError, device->errorString() );
delete device;
return;
}
// job takes ownership of device via a QScopedPointer. Job deletes itself when finishing
PUTFileJob* job = new PUTFileJob(_propagator->account(), _propagator->_remoteFolder + path, device, headers, _currentChunk);
_jobs.append(job);
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++;
bool parallelChunkUpload = true;
QByteArray env = qgetenv("OWNCLOUD_PARALLEL_CHUNK");
if (!env.isEmpty()) {
parallelChunkUpload = env != "false" && env != "0";
} else {
auto version = _propagator->account()->serverVersion();
auto components = version.split('.');
int versionNum = (components.value(0).toInt() << 16)
+ (components.value(1).toInt() << 8)
+ components.value(2).toInt();
if (versionNum < 0x080003) {
// Disable parallel chunk upload severs older than 8.0.3 to avoid too many
// internal sever errors (#2743, #2938)
parallelChunkUpload = false;
}
}
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) {
emit ready();
}
}
void PropagateUploadFileNG::slotPutFinished()
{
PUTFileJob *job = qobject_cast<PUTFileJob *>(sender());
ASSERT(job);
slotJobDestroyed(job); // remove it from the _jobs list
propagator()->_activeJobList.removeOne(this);
if (_finished) {
// We have sent the finished signal already. We don't need to handle any remaining jobs
return;
}
QNetworkReply::NetworkError err = job->reply()->error();
if (err != QNetworkReply::NoError) {
_item->_httpErrorCode = job->reply()->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
commonErrorHandling(job);
return;
}
ENFORCE(_sent <= _item->_size, "can't send more than size");
// Adjust the chunk size for the time taken.
//
// Dynamic chunk sizing is enabled if the server configured a
// target duration for each chunk upload.
double targetDuration = propagator()->syncOptions()._targetChunkUploadDuration;
if (targetDuration > 0) {
double uploadTime = job->msSinceStart() + 1; // add one to avoid div-by-zero
auto predictedGoodSize = static_cast<quint64>(
_currentChunkSize / uploadTime * targetDuration);
// The whole targeting is heuristic. The predictedGoodSize will fluctuate
// quite a bit because of external factors (like available bandwidth)
// and internal factors (like number of parallel uploads).
//
// We use an exponential moving average here as a cheap way of smoothing
// the chunk sizes a bit.
quint64 targetSize = (propagator()->_chunkSize + predictedGoodSize) / 2;
// Adjust the dynamic chunk size _chunkSize used for sizing of the item's chunks to be send
propagator()->_chunkSize = qBound(
propagator()->syncOptions()._minChunkSize,
targetSize,
propagator()->syncOptions()._maxChunkSize);
qCInfo(lcPropagateUpload) << "Chunked upload of" << _currentChunkSize << "bytes took" << uploadTime
<< "ms, desired is" << targetDuration << "ms, expected good chunk size is"
<< predictedGoodSize << "bytes and nudged next chunk size to "
<< propagator()->_chunkSize << "bytes";
}
bool finished = _sent == _item->_size;
// Check if the file still exists
const QString fullFilePath(propagator()->getFilePath(_item->_file));
if (!FileSystem::fileExists(fullFilePath)) {
if (!finished) {
abortWithError(SyncFileItem::SoftError, tr("The local file was removed during sync."));
return;
} else {
propagator()->_anotherSyncNeeded = true;
}
}
// Check whether the file changed since discovery.
if (!FileSystem::verifyFileUnchanged(fullFilePath, _item->_size, _item->_modtime)) {
propagator()->_anotherSyncNeeded = true;
if (!finished) {
abortWithError(SyncFileItem::SoftError, tr("Local file changed during sync."));
return;
}
}
if (!finished) {
// Deletes an existing blacklist entry on successful chunk upload
if (_item->_hasBlacklistEntry) {
propagator()->_journal->wipeErrorBlacklistEntry(_item->_file);
_item->_hasBlacklistEntry = false;
}
// Reset the error count on successful chunk upload
auto uploadInfo = propagator()->_journal->getUploadInfo(_item->_file);
uploadInfo._errorCount = 0;
propagator()->_journal->setUploadInfo(_item->_file, uploadInfo);
propagator()->_journal->commit("Upload info");
}
startNextChunk();
}
void PropagateUploadFileNG::startNextChunk()
{
if (propagator()->_abortRequested.fetchAndAddRelaxed(0))
return;
quint64 fileSize = _item->_size;
ENFORCE(fileSize >= _sent, "Sent data exceeds file size");
// prevent situation that chunk size is bigger then required one to send
_currentChunkSize = qMin(propagator()->_chunkSize, fileSize - _sent);
if (_currentChunkSize == 0) {
Q_ASSERT(_jobs.isEmpty()); // There should be no running job anymore
_finished = true;
// Finish with a MOVE
QString destination = QDir::cleanPath(propagator()->account()->url().path() + QLatin1Char('/')
+ propagator()->account()->davPath() + propagator()->_remoteFolder + _item->_file);
auto headers = PropagateUploadFileCommon::headers();
// "If-Match applies to the source, but we are interested in comparing the etag of the destination
auto ifMatch = headers.take("If-Match");
if (!ifMatch.isEmpty()) {
headers["If"] = "<" + destination.toUtf8() + "> ([" + ifMatch + "])";
}
if (!_transmissionChecksumHeader.isEmpty()) {
qCInfo(lcPropagateUpload) << destination << _transmissionChecksumHeader;
headers[checkSumHeaderC] = _transmissionChecksumHeader;
}
headers["OC-Total-Length"] = QByteArray::number(fileSize);
auto job = new MoveJob(propagator()->account(), Utility::concatUrlPath(chunkUrl(), "/.file"),
destination, headers, this);
_jobs.append(job);
connect(job, &MoveJob::finishedSignal, this, &PropagateUploadFileNG::slotMoveJobFinished);
connect(job, &QObject::destroyed, this, &PropagateUploadFileCommon::slotJobDestroyed);
propagator()->_activeJobList.append(this);
job->start();
return;
}
auto device = new UploadDevice(&propagator()->_bandwidthManager);
const QString fileName = propagator()->getFilePath(_item->_file);
if (!device->prepareAndOpen(fileName, _sent, _currentChunkSize)) {
qCWarning(lcPropagateUpload) << "Could not prepare upload device: " << device->errorString();
// If the file is currently locked, we want to retry the sync
// when it becomes available again.
if (FileSystem::isFileLocked(fileName)) {
emit propagator()->seenLockedFile(fileName);
}
// Soft error because this is likely caused by the user modifying his files while syncing
abortWithError(SyncFileItem::SoftError, device->errorString());
return;
}
QMap<QByteArray, QByteArray> headers;
headers["OC-Chunk-Offset"] = QByteArray::number(_sent);
_sent += _currentChunkSize;
QUrl url = chunkUrl(_currentChunk);
// job takes ownership of device via a QScopedPointer. Job deletes itself when finishing
PUTFileJob *job = new PUTFileJob(propagator()->account(), url, device, headers, _currentChunk, this);
_jobs.append(job);
connect(job, &PUTFileJob::finishedSignal, this, &PropagateUploadFileNG::slotPutFinished);
connect(job, &PUTFileJob::uploadProgress,
this, &PropagateUploadFileNG::slotUploadProgress);
connect(job, &PUTFileJob::uploadProgress,
device, &UploadDevice::slotJobUploadProgress);
connect(job, &QObject::destroyed, this, &PropagateUploadFileCommon::slotJobDestroyed);
job->start();
propagator()->_activeJobList.append(this);
_currentChunk++;
}
