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;
}
CommandDispatcher* AcceptAssociation(const DicomServer& server, T_ASC_Network *net)
{
DcmAssociationConfiguration asccfg;
char buf[BUFSIZ];
T_ASC_Association *assoc;
OFCondition cond;
OFString sprofile;
OFString temp_str;
std::vector<const char*> knownAbstractSyntaxes;
// For C-STORE
if (server.HasStoreRequestHandlerFactory())
{
knownAbstractSyntaxes.push_back(UID_VerificationSOPClass);
}
// For C-FIND
if (server.HasFindRequestHandlerFactory())
{
knownAbstractSyntaxes.push_back(UID_FINDPatientRootQueryRetrieveInformationModel);
knownAbstractSyntaxes.push_back(UID_FINDStudyRootQueryRetrieveInformationModel);
}
// For C-MOVE
if (server.HasMoveRequestHandlerFactory())
{
knownAbstractSyntaxes.push_back(UID_MOVEStudyRootQueryRetrieveInformationModel);
}
const char* transferSyntaxes[] = { NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL };
int numTransferSyntaxes = 0;
cond = ASC_receiveAssociation(net, &assoc,
/*opt_maxPDU*/ ASC_DEFAULTMAXPDU,
NULL, NULL,
/*opt_secureConnection*/ OFFalse,
DUL_NOBLOCK, 1);
if (cond == DUL_NOASSOCIATIONREQUEST)
{
// Timeout
AssociationCleanup(assoc);
return NULL;
}
// if some kind of error occured, take care of it
if (cond.bad())
{
LOG(ERROR) << "Receiving Association failed: " << cond.text();
// no matter what kind of error occurred, we need to do a cleanup
AssociationCleanup(assoc);
return NULL;
}
LOG(INFO) << "Association Received";
transferSyntaxes[0] = UID_LittleEndianExplicitTransferSyntax;
transferSyntaxes[1] = UID_BigEndianExplicitTransferSyntax;
transferSyntaxes[2] = UID_LittleEndianImplicitTransferSyntax;
numTransferSyntaxes = 3;
/* accept the Verification SOP Class if presented */
cond = ASC_acceptContextsWithPreferredTransferSyntaxes( assoc->params, &knownAbstractSyntaxes[0], knownAbstractSyntaxes.size(), transferSyntaxes, numTransferSyntaxes);
if (cond.bad())
{
LOG(INFO) << cond.text();
AssociationCleanup(assoc);
return NULL;
}
/* the array of Storage SOP Class UIDs comes from dcuid.h */
cond = ASC_acceptContextsWithPreferredTransferSyntaxes( assoc->params, dcmAllStorageSOPClassUIDs, numberOfAllDcmStorageSOPClassUIDs, transferSyntaxes, numTransferSyntaxes);
if (cond.bad())
{
LOG(INFO) << cond.text();
AssociationCleanup(assoc);
return NULL;
}
/* set our app title */
ASC_setAPTitles(assoc->params, NULL, NULL, server.GetApplicationEntityTitle().c_str());
/* acknowledge or reject this association */
cond = ASC_getApplicationContextName(assoc->params, buf);
if ((cond.bad()) || strcmp(buf, UID_StandardApplicationContext) != 0)
{
/* reject: the application context name is not supported */
T_ASC_RejectParameters rej =
{
ASC_RESULT_REJECTEDPERMANENT,
ASC_SOURCE_SERVICEUSER,
ASC_REASON_SU_APPCONTEXTNAMENOTSUPPORTED
};
LOG(INFO) << "Association Rejected: Bad Application Context Name: " << buf;
cond = ASC_rejectAssociation(assoc, &rej);
if (cond.bad())
{
LOG(INFO) << cond.text();
}
AssociationCleanup(assoc);
return NULL;
}
/* check the AETs */
{
DIC_AE callingTitle_C;
DIC_AE calledTitle_C;
DIC_AE callingIP_C;
DIC_AE calledIP_C;
if (ASC_getAPTitles(assoc->params, callingTitle_C, calledTitle_C, NULL).bad() ||
ASC_getPresentationAddresses(assoc->params, callingIP_C, calledIP_C).bad())
{
T_ASC_RejectParameters rej =
{
ASC_RESULT_REJECTEDPERMANENT,
ASC_SOURCE_SERVICEUSER,
ASC_REASON_SU_NOREASON
};
ASC_rejectAssociation(assoc, &rej);
AssociationCleanup(assoc);
return NULL;
}
std::string callingIP(/*OFSTRING_GUARD*/(callingIP_C));
std::string callingTitle(/*OFSTRING_GUARD*/(callingTitle_C));
std::string calledTitle(/*OFSTRING_GUARD*/(calledTitle_C));
Toolbox::ToUpperCase(callingIP);
Toolbox::ToUpperCase(callingTitle);
Toolbox::ToUpperCase(calledTitle);
if (server.HasCalledApplicationEntityTitleCheck() &&
calledTitle != server.GetApplicationEntityTitle())
{
T_ASC_RejectParameters rej =
{
ASC_RESULT_REJECTEDPERMANENT,
ASC_SOURCE_SERVICEUSER,
ASC_REASON_SU_CALLEDAETITLENOTRECOGNIZED
};
ASC_rejectAssociation(assoc, &rej);
AssociationCleanup(assoc);
return NULL;
}
if (server.HasApplicationEntityFilter() &&
!server.GetApplicationEntityFilter().IsAllowed(callingIP, callingTitle))
{
T_ASC_RejectParameters rej =
{
ASC_RESULT_REJECTEDPERMANENT,
ASC_SOURCE_SERVICEUSER,
ASC_REASON_SU_CALLINGAETITLENOTRECOGNIZED
};
ASC_rejectAssociation(assoc, &rej);
AssociationCleanup(assoc);
return NULL;
}
}
if (opt_rejectWithoutImplementationUID && strlen(assoc->params->theirImplementationClassUID) == 0)
{
/* reject: the no implementation Class UID provided */
T_ASC_RejectParameters rej =
{
ASC_RESULT_REJECTEDPERMANENT,
ASC_SOURCE_SERVICEUSER,
ASC_REASON_SU_NOREASON
};
LOG(INFO) << "Association Rejected: No Implementation Class UID provided";
cond = ASC_rejectAssociation(assoc, &rej);
if (cond.bad())
{
LOG(INFO) << cond.text();
}
AssociationCleanup(assoc);
return NULL;
}
{
cond = ASC_acknowledgeAssociation(assoc);
if (cond.bad())
{
LOG(ERROR) << cond.text();
AssociationCleanup(assoc);
return NULL;
}
LOG(INFO) << "Association Acknowledged (Max Send PDV: " << assoc->sendPDVLength << ")";
if (ASC_countAcceptedPresentationContexts(assoc->params) == 0)
LOG(INFO) << " (but no valid presentation contexts)";
}
return new CommandDispatcher(server, assoc);
}
