--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/PalanthirServer/Internals/FindScp.cpp	Wed Sep 05 13:24:59 2012 +0200
@@ -0,0 +1,133 @@
+/**
+ * Palantir - A Lightweight, RESTful DICOM Store
+ * Copyright (C) 2012 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.
+ * 
+ * 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 "FindScp.h"
+
+#include "../FromDcmtkBridge.h"
+#include "../ToDcmtkBridge.h"
+#include "../../Core/PalantirException.h"
+
+#include <dcmtk/dcmdata/dcfilefo.h>
+#include <dcmtk/dcmdata/dcmetinf.h>
+#include <dcmtk/dcmdata/dcostrmb.h>
+#include <dcmtk/dcmdata/dcdeftag.h>
+#include <dcmtk/dcmnet/diutil.h>
+
+
+namespace Palantir
+{
+  namespace Internals
+  {
+    extern OFLogger Logger;
+  }
+
+
+  namespace
+  {  
+    struct FindScpData
+    {
+      IFindRequestHandler* handler_;
+      DicomMap input_;
+      DicomFindAnswers answers_;
+      DcmDataset* lastRequest_;
+    };
+
+
+    void FindScpCallback(
+      /* in */ 
+      void *callbackData,  
+      OFBool cancelled, 
+      T_DIMSE_C_FindRQ *request, 
+      DcmDataset *requestIdentifiers, 
+      int responseCount,
+      /* out */
+      T_DIMSE_C_FindRSP *response,
+      DcmDataset **responseIdentifiers,
+      DcmDataset **statusDetail)
+    {
+      bzero(response, sizeof(T_DIMSE_C_FindRSP));
+      *statusDetail = NULL;
+
+      FindScpData& data = *(FindScpData*) callbackData;
+      if (data.lastRequest_ == NULL)
+      {
+        FromDcmtkBridge::Convert(data.input_, *requestIdentifiers);
+
+        try
+        {
+          data.handler_->Handle(data.input_, data.answers_);
+        }
+        catch (PalantirException& e)
+        {
+          // Internal error!
+          OFLOG_ERROR(Internals::Logger, "IFindRequestHandler Failed: " << e.What());
+          response->DimseStatus = STATUS_FIND_Failed_UnableToProcess;
+          *responseIdentifiers = NULL;   
+          return;
+        }
+
+        data.lastRequest_ = requestIdentifiers;
+      }
+      else if (data.lastRequest_ != requestIdentifiers)
+      {
+        // Internal error!
+        response->DimseStatus = STATUS_FIND_Failed_UnableToProcess;
+        *responseIdentifiers = NULL;   
+        return;
+      }
+  
+      if (responseCount <= static_cast<int>(data.answers_.GetSize()))
+      {
+        response->DimseStatus = STATUS_Pending;
+        *responseIdentifiers = ToDcmtkBridge::Convert(data.answers_.GetAnswer(responseCount - 1));
+      }
+      else
+      {
+        response->DimseStatus = STATUS_Success;
+        *responseIdentifiers = NULL;
+      }
+    }
+  }
+
+
+  OFCondition Internals::findScp(T_ASC_Association * assoc, 
+                                 T_DIMSE_Message * msg, 
+                                 T_ASC_PresentationContextID presID,
+                                 IFindRequestHandler& handler)
+  {
+    FindScpData data;
+    data.lastRequest_ = NULL;
+    data.handler_ = &handler;
+
+    OFCondition cond = DIMSE_findProvider(assoc, presID, &msg->msg.CFindRQ, 
+                                          FindScpCallback, &data,
+                                          /*opt_blockMode*/ DIMSE_BLOCKING, 
+                                          /*opt_dimse_timeout*/ 0);
+
+    // if some error occured, dump corresponding information and remove the outfile if necessary
+    if (cond.bad())
+    {
+      OFString temp_str;
+      OFLOG_ERROR(Internals::Logger, "Find SCP Failed: " << DimseCondition::dump(temp_str, cond));
+    }
+
+    return cond;
+  }
+}