Hi,
here is code that uses DcmSCU and does the following:
Negotiating Verification (echo), as well as FIND (query) and MOVE (retrieve) SOP Classes with the PACS. Then, send ECHO, send FIND and retrieve all studies that were found within the FIND step by sending a MOVE for each study. Then, release the association.
Best regards,
Michael
Code:
/*
*
* Copyright (C) 2011, OFFIS e.V.
* All rights reserved. See COPYRIGHT file for details.
*
* This software and supporting documentation were developed by
*
* OFFIS e.V.
* R&D Division Health
* Escherweg 2
* D-26121 Oldenburg, Germany
*
*
* Module: dcmnet
*
* Author: Michael Onken
*
* Purpose: Test for move feature of the DcmSCU class
*
* Last Update: $Author: joergr $
* Update Date: $Date: 2011-03-17 09:46:02 $
* CVS/RCS Revision: $Revision: 1.54 $
* Status: $State: Exp $
*
* CVS/RCS Log at end of file
*
*/
#include "dcmtk/config/osconfig.h" /* make sure OS specific configuration is included first */
#include "dcmtk/dcmnet/testscu.h"
#include "dcmtk/dcmnet/diutil.h"
#define OFFIS_CONSOLE_APPLICATION "testscu"
static OFLogger echoscuLogger = OFLog::getLogger("dcmtk.apps." OFFIS_CONSOLE_APPLICATION);
static char rcsid[] = "$dcmtk: " OFFIS_CONSOLE_APPLICATION " v"
OFFIS_DCMTK_VERSION " " OFFIS_DCMTK_RELEASEDATE " $";
// our application entity title used for calling the peer machine
#define APPLICATIONTITLE "TEST-SCU"
// host name of the peer machine
#define PEERHOSTNAME "www.dicomserver.co.uk"
// TCP/IP port to connect to on peer machine
#define PEERPORT 11112
// application entity title of the peer machine
#define PEERAPPLICATIONTITLE "MOVESCP"
// MOVE target AE Title
#define MOVEAPPLICATIONTITLE "TEST-SCU"
static Uint8 findUncompressedPC(const OFString& sopClass,
DcmSCU& scu)
{
Uint8 pc;
pc = scu.findPresentationContextID(sopClass, UID_LittleEndianExplicitTransferSyntax);
if (pc == 0)
scu.findPresentationContextID(sopClass, UID_BigEndianExplicitTransferSyntax);
if (pc == 0)
scu.findPresentationContextID(sopClass, UID_LittleEndianImplicitTransferSyntax);
return pc;
}
// ********************************************
int main(int argc, char *argv[])
{
/* Setup DICOM connection parameters */
OFLog::configure(OFLogger::DEBUG_LOG_LEVEL);
DcmTestSCU scu;
// set AE titles
scu.setAETitle(APPLICATIONTITLE);
scu.setPeerHostName(PEERHOSTNAME);
scu.setPeerPort(PEERPORT);
scu.setPeerAETitle(PEERAPPLICATIONTITLE);
// Use presentation context for FIND/MOVE in study root, propose all uncompressed transfer syntaxes
OFList<OFString> ts;
ts.push_back(UID_LittleEndianExplicitTransferSyntax);
ts.push_back(UID_BigEndianExplicitTransferSyntax);
ts.push_back(UID_LittleEndianImplicitTransferSyntax);
scu.addPresentationContext(UID_FINDStudyRootQueryRetrieveInformationModel, ts);
scu.addPresentationContext(UID_MOVEStudyRootQueryRetrieveInformationModel, ts);
scu.addPresentationContext(UID_VerificationSOPClass, ts);
/* Initialize network */
OFCondition result = scu.initNetwork();
if (result.bad())
{
DCMNET_ERROR("Unable to set up the network: " << result.text());
return 1;
}
/* Negotiate Association */
result = scu.negotiateAssociation();
if (result.bad())
{
DCMNET_ERROR("Unable to negotiate association: " << result.text());
return 1;
}
/* Let's look whether the server is listening:
Assemble and send C-ECHO request
*/
result = scu.sendECHORequest(0);
if (result.bad())
{
DCMNET_ERROR("Could not process C-ECHO with the server: " << result.text());
return 1;
}
/* Assemble and send C-FIND request */
FINDResponses findResponses;
DcmDataset req;
req.putAndInsertOFStringArray(DCM_QueryRetrieveLevel, "STUDY");
req.putAndInsertOFStringArray(DCM_StudyInstanceUID, "");
T_ASC_PresentationContextID presID = findUncompressedPC(UID_FINDStudyRootQueryRetrieveInformationModel, scu);
if (presID == 0)
{
DCMNET_ERROR("There is no uncompressed presentation context for Study Root FIND");
return 1;
}
result = scu.sendFINDRequest(presID, &req, &findResponses);
if (result.bad())
return 1;
else
DCMNET_INFO("There are " << findResponses.numResults() << " studies available");
/* Assemble and send C-MOVE request, for each study identified above*/
presID = findUncompressedPC(UID_MOVEStudyRootQueryRetrieveInformationModel, scu);
if (presID == 0)
{
DCMNET_ERROR("There is no uncompressed presentation context for Study Root MOVE");
return 1;
}
OFListIterator(FINDResponse*) study = findResponses.begin();
Uint32 studyCount = 1;
OFBool failed = OFFalse;
while (study != findResponses.end() && result.good())
{
// Every loop run will get all image for a specific study
MOVEResponses moveResponses;
// be sure we are not in the last response which does not have a dataset
if ( (*study)->m_dataset != NULL)
{
OFString studyInstanceUID;
result = (*study)->m_dataset->findAndGetOFStringArray(DCM_StudyInstanceUID, studyInstanceUID);
// only try to get study if we actually have study instance uid, otherwise skip it
if (result.good())
{
req.putAndInsertOFStringArray(DCM_StudyInstanceUID, studyInstanceUID);
// fetches all images of this particular study
result = scu.sendMOVERequest(presID, MOVEAPPLICATIONTITLE, &req, &moveResponses);
if (result.good())
{
DCMNET_INFO("Received study #" << std::setw(7) << studyCount << ": " << studyInstanceUID);
studyCount++;
}
}
}
study++;
}
if (result.bad())
{
DCMNET_ERROR("Unable to retrieve all studies: " << result.text());
}
/* Release association */
scu.closeAssociation(DCMSCU_RELEASE_ASSOCIATION);
return 0;
}
P.S: The header file would be trivial:
Code:
#ifndef TESTSCU_H
#define TESTSCU_H
#include "dcmtk/config/osconfig.h" /* make sure OS specific configuration is included first */
#include "dcmtk/dcmnet/scu.h" /* Covers most common dcmdata classes */
class DcmTestSCU : public DcmSCU
{
public:
DcmTestSCU() {}
~DcmTestSCU() {}
};
#endif // TESTSCU_H
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