LDicomNet::SendCMoveRequest

#include "ltdic.h"

L_INT LDicomNet::SendCMoveRequest(nPresentationID, nMessageID, pszClass, nPriority, pszMoveAE, pDS)

Sends a C-MOVE-REQ message to a peer member of a connection. This function is available in the PACS Imaging Toolkit.

Returns

Comments

Calling this function generates a call to LDicomNet::OnReceiveCMoveRequest on the SCP. The SCP should respond by calling LDicomNet::SendCMoveResponse which will generate a call to LDicomNet::OnReceiveCMoveResponse.

Required DLLs and Libraries

See Also

Example

static void InsertNextElement(LDicomDS *pDicomDS, L_UINT32 nTag);
L_INT LDicomNet__SendCMoveRequestExample(LMyDicomNet *m_pDicomNet)
{
   //This example sends an C-Move Request to a server
   //In this example:
   //
   //1. LMyDicomNet is a class derived from LDicomNet
   //2. LMyDicomNet has the following member variables:
   //       m_nClientOrServer:  can be (STATUS_NONE, STATUS_SERVER, STATUS_CLIENT)
   //                           identifieds the LMyDicomNet object as a server or a client
   //       m_nDataCommand:     can be (COMMAND_C_MOVE,COMMAND_C_GET) 
   //                           set so the server knows how a C-Store Response was generated
   //
   //3. m_pDicomNet points to a valid LMyDicomNet object
   //      LMyDicomNet *m_pDicomNet
   // 
   //4. A connection exists between client and server
   //5. An association exists between the client and server
   L_INT nRet;
   CString strMsg = TEXT("C-Move\n");
   
   //Choose a class to move
   CString strClassUID = UID_NM_IMAGE_STORAGE;
   
   //create the data set that encodes the identifier to be matched
   LDicomDS DicomDS;
   DicomDS.InitDS(CLASS_UNKNOWN, 0);
   
   //add the required elements
   pDICOMTAG pDicomTag = LDicomTag::Find(TAG_QUERY_RETRIEVE_LEVEL);
   pDICOMELEMENT pElement = DicomDS.InsertElement( 
      NULL,                      //pDICOMELEMENT pNeighbor
      FALSE,                     //L_BOOL bChild
      TAG_QUERY_RETRIEVE_LEVEL,  //L_UINT32 nTag
      pDicomTag->nVR,            //L_UINT16 nVR
      FALSE,                     //L_BOOL bSequence,
      0                          //L_UINT32 nIndex
      );
   DicomDS.SetStringValue(pElement, TEXT("PATIENT"),
    1, DICOM_CHARACTER_SET_DEFAULT);
   
   InsertNextElement(&DicomDS,TAG_PATIENT_NAME);
   InsertNextElement(&DicomDS,TAG_PATIENT_ID);
   InsertNextElement(&DicomDS,TAG_PATIENT_BIRTH_DATE);
   InsertNextElement(&DicomDS,TAG_PATIENT_SEX);
   InsertNextElement(&DicomDS, TAG_NUMBER_OF_STUDY_RELATED_INSTANCES);
   
   //global variable to count results
   m_pDicomNet->m_FileCount = 0;
   
   //Get the associate object
   LDicomAssociate *pDicomAssociate = m_pDicomNet->GetAssociate();
   
   //Is class supported in the assocation?
   L_UCHAR nPresentationID = pDicomAssociate->FindAbstract((L_TCHAR *)(LPCTSTR)strClassUID);
   
   //nPresentationID must be odd--0 indicates failure
   if (nPresentationID==0)
   {
      CString strTmp;
      strTmp.Format(TEXT("Abstract Syntax[%s] Not Included in the Association"), strClassUID);
      strMsg = strMsg + strTmp;
   }
   else //success
   {
      L_UINT16 uUniqueID = 99;
      
      //Choose DICOM AE title of the destination DICOM AE 
      //from which the C-store operations are being performed
      //This is set by the SetCalling() method of the LDicomAssociateRequest object
      //before doing a SendAssociateRequest
      CString strMoveAE = TEXT("LEADtest");
      
      m_pDicomNet->m_FileCount = 0;  //used for file name in OnReceiveCStoreRequest event
      //The client requests the server to move the SOP Instance to itself (the client)
      nRet =m_pDicomNet->SendCMoveRequest(
         nPresentationID, 
         uUniqueID, 
         (L_TCHAR *)(LPCTSTR)strClassUID, 
         COMMAND_PRIORITY_MEDIUM, 
         (L_TCHAR *)(LPCTSTR)strMoveAE, 
         &DicomDS
         );
      if(nRet > 0)
         return nRet;
   }
   AfxMessageBox(strMsg);
   //now wait for one or more C-STORE sub-operations and finally the C-Get response
   
   return DICOM_SUCCESS;
}
static void InsertNextElement(LDicomDS *pDicomDS, L_UINT32 nTag)
{
    pDICOMTAG pDicomTag = LDicomTag::Find(nTag);
    pDicomDS->InsertElement( 
                           NULL,            //pDICOMELEMENT pNeighbor
                           FALSE,           //L_BOOL bChild
                           nTag,            //L_UINT32 nTag
                           pDicomTag->nVR,  //L_UINT16 nVR
                           FALSE,           //L_BOOL bSequence,
                           0                //L_UINT32 nIndex
                         );
}