void ctkDICOMDataset::Deserialize()
{
Q_D(ctkDICOMDataset);
// read attribute m_ctkDICOMDataset
// construct a DcmDataset from it
// calls InitializeData(DcmDataset*)
// this method can be called both from sub-classes when they get the InitializeData signal from the persistence framework
// and from EnsureDcmDataSetIsInitialized() when a GetElement.. or SetElement.. method is called.
if (d->m_DICOMDataSetInitialized) return; // only need to do this once
QString stringbuffer = this->GetStoredSerialization();
if ( stringbuffer.isEmpty() )
{
d->m_DICOMDataSetInitialized = true;
return; // TODO nicer: hold three states: newly created / loaded but not initialized / restored from DB
}
//std::cerr << "** " << (void*)this << " ctkDICOMDataset: Deserialize Dataset from string of size " << stringbuffer.size() << "\n" << stringbuffer.toStdString() << std::endl;
QByteArray qtArray = QByteArray::fromBase64( stringbuffer.toAscii() );
//std::cerr << "** " << (void*)this << " ctkDICOMDataset: Deserialize Dataset from byte array of size " << qtArray.size() << std::endl;
DcmInputBufferStream dcmbuffer;
dcmbuffer.setBuffer( qtArray.data(), qtArray.size() );
//std::cerr << "** Buffer state: " << dcmbuffer.status().code() << " " << dcmbuffer.good() << " " << dcmbuffer.eos() << " tell " << dcmbuffer.tell() << " avail " << dcmbuffer.avail() << std::endl;
DcmDataset dataset;
dataset.transferInit();
//std::cerr << "** Dataset state: " << dataset.transferState() << std::endl << std::endl;
OFCondition condition = dataset.read( dcmbuffer, EXS_LittleEndianImplicit );
dataset.transferEnd();
// do this in all cases, even when reading reported an error
this->InitializeFromDataset(&dataset);
if ( condition.bad() )
{
std::cerr << "** Condition code of Dataset::read() is "
<< condition.code() << std::endl;
std::cerr << "** Buffer state: " << dcmbuffer.status().code()
<< " " << dcmbuffer.good()
<< " " << dcmbuffer.eos()
<< " tell " << dcmbuffer.tell()
<< " avail " << dcmbuffer.avail() << std::endl;
std::cerr << "** Dataset state: "
<< static_cast<int>(dataset.transferState()) << std::endl;
std::cerr << "Could not DcmDataset::read(..): "
<< condition.text() << std::endl;
//throw std::invalid_argument( std::string("Could not DcmDataset::read(..): ") + condition.text() );
}
}
PACSRequestStatus::RetrieveRequestStatus RetrieveDICOMFilesFromPACS::retrieve(const QString &studyInstanceUID, const QString &seriesInstanceUID, const QString &sopInstanceUID)
{
T_ASC_PresentationContextID presentationContextID;
T_DIMSE_C_MoveRSP moveResponse;
DcmDataset *statusDetail = NULL;
m_pacsConnection = new PACSConnection(m_pacs);
PACSRequestStatus::RetrieveRequestStatus retrieveRequestStatus;
MoveSCPCallbackData moveSCPCallbackData;
DcmDataset *dcmDatasetToRetrieve = getDcmDatasetOfImagesToRetrieve(studyInstanceUID, seriesInstanceUID, sopInstanceUID);
m_numberOfImagesRetrieved = 0;
// TODO S'hauria de comprovar que es tracti d'un PACS amb el servei de retrieve configurat
if (!m_pacsConnection->connectToPACS(PACSConnection::RetrieveDICOMFiles))
{
ERROR_LOG("S'ha produit un error al intentar connectar al PACS per fer un retrieve. AE Title: " + m_pacs.getAETitle());
return PACSRequestStatus::RetrieveCanNotConnectToPACS;
}
// Which presentation context should be used, It's important that the connection has MoveStudyRoot level
T_ASC_Association *association = m_pacsConnection->getConnection();
presentationContextID = ASC_findAcceptedPresentationContextID(association, MoveAbstractSyntax);
if (presentationContextID == 0)
{
ERROR_LOG("No s'ha trobat cap presentation context valid");
return PACSRequestStatus::RetrieveFailureOrRefused;
}
moveSCPCallbackData.association = association;
moveSCPCallbackData.presentationContextId = presentationContextID;
moveSCPCallbackData.retrieveDICOMFilesFromPACS = this;
// Set the destination of the images to us
T_DIMSE_C_MoveRQ moveRequest = getConfiguredMoveRequest(association);
ASC_getAPTitles(association->params, moveRequest.MoveDestination, NULL, NULL);
OFCondition condition = DIMSE_moveUser(association, presentationContextID, &moveRequest, dcmDatasetToRetrieve, moveCallback, &moveSCPCallbackData,
DIMSE_BLOCKING, 0, m_pacsConnection->getNetwork(), subOperationCallback, this, &moveResponse, &statusDetail,
NULL /*responseIdentifiers*/);
if (condition.bad())
{
ERROR_LOG(QString("El metode descarrega no ha finalitzat correctament. Codi error: %1, descripcio error: %2").arg(condition.code())
.arg(condition.text()));
}
m_pacsConnection->disconnect();
retrieveRequestStatus = getDIMSEStatusCodeAsRetrieveRequestStatus(moveResponse.DimseStatus);
processServiceClassProviderResponseStatus(moveResponse.DimseStatus, statusDetail);
// Dump status detail information if there is some
if (statusDetail != NULL)
{
delete statusDetail;
}
delete dcmDatasetToRetrieve;
return retrieveRequestStatus;
}