Mercurial > hg > orthanc
view OrthancServer/OrthancMoveRequestHandler.cpp @ 2162:d738945c25cd
migrating TODO from Trello
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 22 Nov 2016 11:29:03 +0100 |
parents | 2b1520efa282 |
children | 21713ce8717b |
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/** * Orthanc - A Lightweight, RESTful DICOM Store * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics * Department, University Hospital of Liege, Belgium * * This program is free software: you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * In addition, as a special exception, the copyright holders of this * program give permission to link the code of its release with the * OpenSSL project's "OpenSSL" library (or with modified versions of it * that use the same license as the "OpenSSL" library), and distribute * the linked executables. You must obey the GNU General Public License * in all respects for all of the code used other than "OpenSSL". If you * modify file(s) with this exception, you may extend this exception to * your version of the file(s), but you are not obligated to do so. If * you do not wish to do so, delete this exception statement from your * version. If you delete this exception statement from all source files * in the program, then also delete it here. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. **/ #include "PrecompiledHeadersServer.h" #include "OrthancMoveRequestHandler.h" #include "OrthancInitialization.h" #include "FromDcmtkBridge.h" #include "../Core/DicomFormat/DicomArray.h" #include "../Core/Logging.h" namespace Orthanc { namespace { // Anonymous namespace to avoid clashes between compilation modules class OrthancMoveRequestIterator : public IMoveRequestIterator { private: ServerContext& context_; const std::string& localAet_; std::vector<std::string> instances_; size_t position_; RemoteModalityParameters remote_; uint16_t moveRequestID_; public: OrthancMoveRequestIterator(ServerContext& context, const std::string& aet, const std::string& publicId, uint16_t moveRequestID) : context_(context), localAet_(context.GetDefaultLocalApplicationEntityTitle()), position_(0), moveRequestID_(moveRequestID) { LOG(INFO) << "Sending resource " << publicId << " to modality \"" << aet << "\""; std::list<std::string> tmp; context_.GetIndex().GetChildInstances(tmp, publicId); instances_.reserve(tmp.size()); for (std::list<std::string>::iterator it = tmp.begin(); it != tmp.end(); ++it) { instances_.push_back(*it); } remote_ = Configuration::GetModalityUsingAet(aet); } virtual unsigned int GetSubOperationCount() const { return instances_.size(); } virtual Status DoNext() { if (position_ >= instances_.size()) { return Status_Failure; } const std::string& id = instances_[position_++]; std::string dicom; context_.ReadDicom(dicom, id); { ReusableDicomUserConnection::Locker locker (context_.GetReusableDicomUserConnection(), localAet_, remote_); locker.GetConnection().Store(dicom, moveRequestID_); } return Status_Success; } }; } bool OrthancMoveRequestHandler::LookupIdentifier(std::string& publicId, ResourceType level, const DicomMap& input) { DicomTag tag(0, 0); // Dummy initialization switch (level) { case ResourceType_Patient: tag = DICOM_TAG_PATIENT_ID; break; case ResourceType_Study: tag = (input.HasTag(DICOM_TAG_ACCESSION_NUMBER) ? DICOM_TAG_ACCESSION_NUMBER : DICOM_TAG_STUDY_INSTANCE_UID); break; case ResourceType_Series: tag = DICOM_TAG_SERIES_INSTANCE_UID; break; case ResourceType_Instance: tag = DICOM_TAG_SOP_INSTANCE_UID; break; default: throw OrthancException(ErrorCode_ParameterOutOfRange); } if (!input.HasTag(tag)) { return false; } const DicomValue& value = input.GetValue(tag); if (value.IsNull() || value.IsBinary()) { return false; } const std::string& content = value.GetContent(); std::list<std::string> ids; context_.GetIndex().LookupIdentifierExact(ids, level, tag, content); if (ids.size() != 1) { return false; } else { publicId = ids.front(); return true; } } IMoveRequestIterator* OrthancMoveRequestHandler::Handle(const std::string& targetAet, const DicomMap& input, const std::string& remoteIp, const std::string& remoteAet, const std::string& calledAet, uint16_t messageId) { LOG(WARNING) << "Move-SCU request received for AET \"" << targetAet << "\""; { DicomArray query(input); for (size_t i = 0; i < query.GetSize(); i++) { if (!query.GetElement(i).GetValue().IsNull()) { LOG(INFO) << " " << query.GetElement(i).GetTag() << " " << FromDcmtkBridge::GetTagName(query.GetElement(i)) << " = " << query.GetElement(i).GetValue().GetContent(); } } } #if 0 /** * Retrieve the Message ID (0000,0110) for this C-MOVE request, if * any. If present, this Message ID will be stored in the Move * Originator Message ID (0000,1031) field of the C-MOVE response. * http://dicom.nema.org/medical/dicom/current/output/html/part07.html#sect_9.3.1 **/ static const DicomTag MESSAGE_ID(0x0000, 0x0110); const DicomValue* messageIdTmp = input.TestAndGetValue(MESSAGE_ID); messageId = 0; if (messageIdTmp != NULL && !messageIdTmp->IsNull() && !messageIdTmp->IsBinary()) { try { messageId = boost::lexical_cast<uint16_t>(messageIdTmp->GetContent()); } catch (boost::bad_lexical_cast&) { LOG(WARNING) << "Cannot convert the Message ID (\"" << messageIdTmp ->GetContent() << "\") of an incoming C-MOVE request to an integer, assuming zero"; } } #endif /** * Retrieve the query level. **/ const DicomValue* levelTmp = input.TestAndGetValue(DICOM_TAG_QUERY_RETRIEVE_LEVEL); if (levelTmp == NULL || levelTmp->IsNull() || levelTmp->IsBinary()) { // The query level is not present in the C-Move request, which // does not follow the DICOM standard. This is for instance the // behavior of Tudor DICOM. Try and automatically deduce the // query level: Start from the instance level, going up to the // patient level until a valid DICOM identifier is found. std::string publicId; if (LookupIdentifier(publicId, ResourceType_Instance, input) || LookupIdentifier(publicId, ResourceType_Series, input) || LookupIdentifier(publicId, ResourceType_Study, input) || LookupIdentifier(publicId, ResourceType_Patient, input)) { return new OrthancMoveRequestIterator(context_, targetAet, publicId, messageId); } else { // No identifier is present in the request. throw OrthancException(ErrorCode_BadRequest); } } assert(levelTmp != NULL); ResourceType level = StringToResourceType(levelTmp->GetContent().c_str()); /** * Lookup for the resource to be sent. **/ std::string publicId; if (LookupIdentifier(publicId, level, input)) { return new OrthancMoveRequestIterator(context_, targetAet, publicId, messageId); } else { throw OrthancException(ErrorCode_BadRequest); } } }