Mercurial > hg > orthanc
view OrthancServer/OrthancFindRequestHandler.cpp @ 1823:0ef4e6e66b56
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 25 Nov 2015 10:32:54 +0100 |
parents | 30e97a1f4093 |
children | d364926389e0 |
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/** * Orthanc - A Lightweight, RESTful DICOM Store * Copyright (C) 2012-2015 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 "OrthancFindRequestHandler.h" #include "../Core/DicomFormat/DicomArray.h" #include "../Core/Logging.h" #include "FromDcmtkBridge.h" #include "OrthancInitialization.h" #include "Search/LookupResource.h" #include "ServerToolbox.h" #include <boost/regex.hpp> namespace Orthanc { static void AddAnswer(DicomFindAnswers& answers, const Json::Value& resource, const DicomArray& query) { DicomMap result; for (size_t i = 0; i < query.GetSize(); i++) { // Fix issue 30 (QR response missing "Query/Retrieve Level" (008,0052)) if (query.GetElement(i).GetTag() == DICOM_TAG_QUERY_RETRIEVE_LEVEL) { result.SetValue(query.GetElement(i).GetTag(), query.GetElement(i).GetValue()); } else if (query.GetElement(i).GetTag() == DICOM_TAG_SPECIFIC_CHARACTER_SET) { } else { std::string tag = query.GetElement(i).GetTag().Format(); std::string value; if (resource.isMember(tag)) { value = resource.get(tag, Json::arrayValue).get("Value", "").asString(); result.SetValue(query.GetElement(i).GetTag(), value); } else { result.SetValue(query.GetElement(i).GetTag(), ""); } } } if (result.GetSize() == 0) { LOG(WARNING) << "The C-FIND request does not return any DICOM tag"; } else { answers.Add(result); } } void OrthancFindRequestHandler::Handle(DicomFindAnswers& answers, const DicomMap& input, const std::string& remoteIp, const std::string& remoteAet, const std::string& calledAet) { /** * Ensure that the remote modality is known to Orthanc. **/ RemoteModalityParameters modality; if (!Configuration::LookupDicomModalityUsingAETitle(modality, remoteAet)) { throw OrthancException(ErrorCode_UnknownModality); } // ModalityManufacturer manufacturer = modality.GetManufacturer(); bool caseSensitivePN = Configuration::GetGlobalBoolParameter("CaseSensitivePN", false); /** * Retrieve the query level. **/ const DicomValue* levelTmp = input.TestAndGetValue(DICOM_TAG_QUERY_RETRIEVE_LEVEL); if (levelTmp == NULL || levelTmp->IsNull() || levelTmp->IsBinary()) { throw OrthancException(ErrorCode_BadRequest); } ResourceType level = StringToResourceType(levelTmp->GetContent().c_str()); if (level != ResourceType_Patient && level != ResourceType_Study && level != ResourceType_Series && level != ResourceType_Instance) { throw OrthancException(ErrorCode_NotImplemented); } DicomArray query(input); LOG(INFO) << "DICOM C-Find request at level: " << EnumerationToString(level); for (size_t i = 0; i < query.GetSize(); i++) { if (!query.GetElement(i).GetValue().IsNull()) { LOG(INFO) << " " << query.GetElement(i).GetTag() << " " << FromDcmtkBridge::GetName(query.GetElement(i).GetTag()) << " = " << query.GetElement(i).GetValue().GetContent(); } } /** * Build up the query object. **/ LookupResource finder(level); for (size_t i = 0; i < query.GetSize(); i++) { const DicomTag tag = query.GetElement(i).GetTag(); if (query.GetElement(i).GetValue().IsNull() || tag == DICOM_TAG_QUERY_RETRIEVE_LEVEL || tag == DICOM_TAG_SPECIFIC_CHARACTER_SET) { continue; } std::string value = query.GetElement(i).GetValue().GetContent(); if (value.size() == 0) { // An empty string corresponds to a "*" wildcard constraint, so we ignore it continue; } ValueRepresentation vr = FromDcmtkBridge::GetValueRepresentation(tag); // DICOM specifies that searches must be case sensitive, except // for tags with a PN value representation bool sensitive = true; if (vr == ValueRepresentation_PatientName) { sensitive = caseSensitivePN; } finder.AddDicomConstraint(tag, value, sensitive); } /** * Run the query. **/ size_t maxResults = (level == ResourceType_Instance) ? maxInstances_ : maxResults_; std::vector<std::string> resources, instances; context_.GetIndex().FindCandidates(resources, instances, finder); assert(resources.size() == instances.size()); bool complete = true; for (size_t i = 0; i < instances.size(); i++) { Json::Value dicom; context_.ReadJson(dicom, instances[i]); if (finder.IsMatch(dicom)) { if (maxResults != 0 && answers.GetSize() >= maxResults) { complete = false; break; } else { AddAnswer(answers, dicom, query); } } } LOG(INFO) << "Number of matching resources: " << answers.GetSize(); answers.SetComplete(complete); } }