diff OrthancServer/OrthancMoveRequestHandler.cpp @ 619:70d0f27e5bd3 find-move-scp

refactoring
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 25 Oct 2013 11:57:30 +0200
parents
children 08eca5d86aad
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/OrthancServer/OrthancMoveRequestHandler.cpp	Fri Oct 25 11:57:30 2013 +0200
@@ -0,0 +1,179 @@
+/**
+ * Orthanc - A Lightweight, RESTful DICOM Store
+ * Copyright (C) 2012-2013 Medical Physics Department, CHU 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 "OrthancMoveRequestHandler.h"
+
+#include <glog/logging.h>
+
+#include "DicomProtocol/DicomUserConnection.h"
+#include "OrthancInitialization.h"
+
+namespace Orthanc
+{
+  namespace
+  {
+    // Anonymous namespace to avoid clashes between compilation modules
+
+    class OrthancMoveRequestIterator : public IMoveRequestIterator
+    {
+    private:
+      ServerContext& context_;
+      std::vector<std::string> instances_;
+      DicomUserConnection connection_;
+      size_t position_;
+
+    public:
+      OrthancMoveRequestIterator(ServerContext& context,
+                                 const std::string& target,
+                                 const std::string& publicId) :
+        context_(context),
+        position_(0)
+      {
+        LOG(INFO) << "Sending resource " << publicId << " to modality \"" << target << "\"";
+
+        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);
+        }
+    
+        ConnectToModalityUsingAETitle(connection_, target);
+      }
+
+      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_.ReadFile(dicom, id, FileContentType_Dicom);
+        connection_.Store(dicom);
+
+        return Status_Success;
+      }
+    };
+  }
+
+
+  bool OrthancMoveRequestHandler::LookupResource(std::string& publicId,
+                                                 DicomTag tag,
+                                                 const DicomMap& input)
+  {
+    if (!input.HasTag(tag))
+    {
+      return false;
+    }
+
+    std::string value = input.GetValue(tag).AsString();
+
+    std::list<std::string> ids;
+    context_.GetIndex().LookupTagValue(ids, tag, value);
+
+    if (ids.size() != 1)
+    {
+      return false;
+    }
+    else
+    {
+      publicId = ids.front();
+      return true;
+    }
+  }
+
+
+  IMoveRequestIterator* OrthancMoveRequestHandler::Handle(const std::string& target,
+                                                          const DicomMap& input)
+  {
+    LOG(WARNING) << "Move-SCU request received for AET \"" << target << "\"";
+
+
+    /**
+     * 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());
+
+
+    /**
+     * Lookup for the resource to be sent.
+     **/
+
+    bool ok;
+    std::string publicId;
+
+    switch (level)
+    {
+      case ResourceType_Patient:
+        ok = LookupResource(publicId, DICOM_TAG_PATIENT_ID, input);
+        break;
+
+      case ResourceType_Study:
+        ok = LookupResource(publicId, DICOM_TAG_STUDY_INSTANCE_UID, input);
+        break;
+
+      case ResourceType_Series:
+        ok = LookupResource(publicId, DICOM_TAG_SERIES_INSTANCE_UID, input);
+        break;
+
+      case ResourceType_Instance:
+        ok = LookupResource(publicId, DICOM_TAG_SOP_INSTANCE_UID, input);
+        break;
+
+      default:
+        ok = false;
+    }
+
+    if (!ok)
+    {
+      throw OrthancException(ErrorCode_BadRequest);
+    }
+
+    return new OrthancMoveRequestIterator(context_, target, publicId);
+  }
+}