Mercurial > hg > orthanc
view OrthancServer/OrthancFindRequestHandler.cpp @ 1507:46b2794042d6 Orthanc-0.9.3
fix
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 07 Aug 2015 20:14:26 +0200 |
parents | f967bdf8534e |
children | 3309878b3e16 |
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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/Logging.h" #include "../Core/DicomFormat/DicomArray.h" #include "ServerToolbox.h" #include "OrthancInitialization.h" #include "FromDcmtkBridge.h" #include "ResourceFinder.h" #include "DicomFindQuery.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); } } namespace { class CFindQuery : public DicomFindQuery { private: DicomFindAnswers& answers_; ServerIndex& index_; const DicomArray& query_; bool hasModalitiesInStudy_; std::set<std::string> modalitiesInStudy_; public: CFindQuery(DicomFindAnswers& answers, ServerIndex& index, const DicomArray& query) : answers_(answers), index_(index), query_(query), hasModalitiesInStudy_(false) { } void SetModalitiesInStudy(const std::string& value) { hasModalitiesInStudy_ = true; std::vector<std::string> tmp; Toolbox::TokenizeString(tmp, value, '\\'); for (size_t i = 0; i < tmp.size(); i++) { modalitiesInStudy_.insert(tmp[i]); } } virtual bool HasMainDicomTagsFilter(ResourceType level) const { if (DicomFindQuery::HasMainDicomTagsFilter(level)) { return true; } return (level == ResourceType_Study && hasModalitiesInStudy_); } virtual bool FilterMainDicomTags(const std::string& resourceId, ResourceType level, const DicomMap& mainTags) const { if (!DicomFindQuery::FilterMainDicomTags(resourceId, level, mainTags)) { return false; } if (level != ResourceType_Study || !hasModalitiesInStudy_) { return true; } try { // We are considering a single study, and the // "MODALITIES_IN_STUDY" tag is set in the C-Find. Check // whether one of its child series matches one of the // modalities. Json::Value study; if (index_.LookupResource(study, resourceId, ResourceType_Study)) { // Loop over the series of the considered study. for (Json::Value::ArrayIndex j = 0; j < study["Series"].size(); j++) { Json::Value series; if (index_.LookupResource(series, study["Series"][j].asString(), ResourceType_Series)) { // Get the modality of this series if (series["MainDicomTags"].isMember("Modality")) { std::string modality = series["MainDicomTags"]["Modality"].asString(); if (modalitiesInStudy_.find(modality) != modalitiesInStudy_.end()) { // This series of the considered study matches one // of the required modalities. Take the study into // consideration for future filtering. return true; } } } } } } catch (OrthancException&) { // This resource has probably been deleted during the find request } return false; } virtual bool HasInstanceFilter() const { return true; } virtual bool FilterInstance(const std::string& instanceId, const Json::Value& content) const { bool ok = DicomFindQuery::FilterInstance(instanceId, content); if (ok) { // Add this resource to the answers AddAnswer(answers_, content, query_); } return ok; } }; } bool OrthancFindRequestHandler::Handle(DicomFindAnswers& answers, const DicomMap& input, const std::string& callingAETitle) { /** * Ensure that the calling modality is known to Orthanc. **/ RemoteModalityParameters modality; if (!Configuration::LookupDicomModalityUsingAETitle(modality, callingAETitle)) { throw OrthancException("Unknown modality"); } // 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) { throw OrthancException(ErrorCode_BadRequest); } ResourceType level = StringToResourceType(levelTmp->AsString().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().AsString(); } } /** * Build up the query object. **/ CFindQuery findQuery(answers, context_.GetIndex(), query); findQuery.SetLevel(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().AsString(); if (value.size() == 0) { // An empty string corresponds to a "*" wildcard constraint, so we ignore it continue; } if (tag == DICOM_TAG_MODALITIES_IN_STUDY) { findQuery.SetModalitiesInStudy(value); } else { findQuery.SetConstraint(tag, value, caseSensitivePN); } } /** * Run the query. **/ ResourceFinder finder(context_); switch (level) { case ResourceType_Patient: case ResourceType_Study: case ResourceType_Series: finder.SetMaxResults(maxResults_); break; case ResourceType_Instance: finder.SetMaxResults(maxInstances_); break; default: throw OrthancException(ErrorCode_InternalError); } std::list<std::string> tmp; bool finished = finder.Apply(tmp, findQuery); LOG(INFO) << "Number of matching resources: " << tmp.size(); return finished; } }