private void echo(ActiveAssociation aa, int nrOfTests) throws Exception {
AssociationFactory aFact = AssociationFactory.getInstance();
DcmObjectFactory oFact = DcmObjectFactory.getInstance();
for (int i = 0; i < nrOfTests; i++) {
aa.invoke(aFact.newDimse(PCID_ECHO, oFact.newCommand().initCEchoRQ(i)), null);
}
}
/**
* Implements the ECHO service. The C-ECHO service is invoked by a DIMSE-service-user to verify
* end-to-end communications with a peer DIMSE-service-user. See PS 3.7 - 9.1.5 C-ECHO SERVICE
*
* @exception ConnectException
* @exception InterruptedException
* @exception IOException
*/
public long cECHO() throws ConnectException, InterruptedException, IOException {
PresContext pc;
long t1 = System.currentTimeMillis();
// An association must be active
if (aassoc == null) {
throw new ConnectException("No Association established");
}
// Test, if Presentation Context for C-ECHO is supported
// API doc: Association.getAcceptedPresContext(String asuid, String tsuid)
if ((pc =
aassoc
.getAssociation()
.getAcceptedPresContext(UIDs.Verification, UIDs.ImplicitVRLittleEndian))
== null) {
throw new ConnectException(
"Association does not support presentation context: Verification SOP/ImplicitVRLittleEndian.");
}
// New Cammand Set, see: DICOM Part 7: Message Exchange, 6.3.1 Command Set Structure
Command cEchoRQ = oFact.newCommand();
// API doc: Command.initCEchoRQ(int msgID)
cEchoRQ.initCEchoRQ(1);
// API doc: AssociationFactorynewDimse(int pcid, Command cmd)
// DIMSE (DICOM Message Service Element) ist ein Nachrichtendienst in DICOM
Dimse echoRq = aFact.newDimse(pc.pcid(), cEchoRQ);
// PS 3.7 - 9.3.5 C-ECHO PROTOCOL, 9.3.5.2 C-ECHO-RSP
// Always returns SUCESS result code.
// Invoke active association with echo request Dimse
FutureRSP future = aassoc.invoke(echoRq);
// Response to the C-ECHO request.
// The result cannot be accessed until it has been set.
Dimse echoRsp = future.get();
Command rspCmd = echoRsp.getCommand();
// PS 3.7 - 9.3.5 C-MOVE PROTOCOL, 9.3.5.2 C-ECHO-RSP
int status = rspCmd.getStatus();
switch (status) {
case 0x0000:
// Success
break;
default:
log.error("C-ECHO failed: " + Integer.toHexString(status));
break;
}
return System.currentTimeMillis() - t1;
}
void sendPPS(boolean create, Dataset pps, String aet) throws Exception {
ActiveAssociation aa = openAssociation(aet, UIDs.GeneralPurposePerformedProcedureStepSOPClass);
try {
Association a = aa.getAssociation();
DcmObjectFactory dof = DcmObjectFactory.getInstance();
Command cmdRq = dof.newCommand();
final String iuid = pps.getString(Tags.SOPInstanceUID);
if (create) {
cmdRq.initNCreateRQ(a.nextMsgID(), UIDs.GeneralPurposePerformedProcedureStepSOPClass, iuid);
} else {
cmdRq.initNSetRQ(a.nextMsgID(), UIDs.GeneralPurposePerformedProcedureStepSOPClass, iuid);
}
Dimse dimseRq =
AssociationFactory.getInstance().newDimse(PCID_GPPPS, cmdRq, pps.exclude(SOP_IUID));
if (log.isDebugEnabled()) {
log.debug("GP-PPS Attributes:");
log.debug(pps);
}
final Dimse dimseRsp = aa.invoke(dimseRq).get();
final Command cmdRsp = dimseRsp.getCommand();
final int status = cmdRsp.getStatus();
switch (status) {
case 0x0000:
break;
case 0x0116:
log.warn(
"Received Warning Status 116H (=Attribute Value Out of Range) from remote AE " + aet);
break;
default:
throw new DcmServiceException(status, cmdRsp.getString(Tags.ErrorComment));
}
} finally {
try {
aa.release(true);
} catch (Exception e) {
log.warn("Failed to release " + aa.getAssociation());
}
}
}
/**
* Queries the archive for DICOM objects matching Attribute Keys defined in the loacal field
* "keys". This field is set by the constructor out of the configuration parameters or by the
* methods setQueryKeys(Configuration) and setQueryKeys(Dataset). See PS 3.4 - Annex C
* QUERY/RETRIEVE SERVICE CLASS.
*
* <p>The method returns, when the result is received from the communication partner.
*
* @return the result of the cFIND as a Vector of Dataset objects each specifying one matching
* DICOM object. If no matching objects are found an empty Vector is returned.
* @throws ConnectException
* @throws IOException
*/
public Vector cFIND() throws ConnectException, IOException, InterruptedException {
List dimseList;
Vector datasetVector;
// An association must be active
if (aassoc == null) {
throw new ConnectException("No Association established");
}
// Test, if Presentation Context for C-FIND is supported
// API doc: Association.getAcceptedPresContext(String asuid, String tsuid)
// UIDs.StudyRootQueryRetrieveInformationModelGET
if ((pc =
aassoc
.getAssociation()
.getAcceptedPresContext(
UIDs.StudyRootQueryRetrieveInformationModelFIND,
UIDs.ExplicitVRLittleEndian))
== null
&& (pc =
aassoc
.getAssociation()
.getAcceptedPresContext(
UIDs.StudyRootQueryRetrieveInformationModelFIND,
UIDs.ImplicitVRLittleEndian))
== null) {
throw new ConnectException(
"Association does not support presentation context for StudyRootQueryRetrieveInformationModelFIND SOP.");
}
// New Cammand Set, see: DICOM Part 7: Message Exchange, 6.3.1 Command Set Structure
Command rqCmd = dof.newCommand();
// API doc: Command.initCFindRQ(int msgID, String sopClassUID, int priority)
rqCmd.initCFindRQ(assoc.nextMsgID(), UIDs.StudyRootQueryRetrieveInformationModelFIND, priority);
// API doc: AssociationFactorynewDimse(int pcid, Command cmd, Dataset ds)
// DIMSE (DICOM Message Service Element) ist ein Nachrichtendienst in DICOM
Dimse findRq = aFact.newDimse(pc.pcid(), rqCmd, keys);
if (DEBUG) {
StringWriter w = new StringWriter();
w.write("C-FIND RQ Identifier:\n");
keys.dumpDataset(w, null);
log.debug(w.toString());
}
// Invoke active association with find request Dimse
FutureRSP future = aassoc.invoke(findRq);
// Response to the C-FIND request.
// The result cannot be accessed until it has been set.
Dimse findRsp = future.get();
// Get the list of found objects
dimseList = future.listPending();
// >>>> Extract Dataset from Dimse
datasetVector = new Vector();
// If no List of DIMSE objects was generated or it is empty return an empty Vector
if (dimseList == null || dimseList.isEmpty()) {
return datasetVector;
}
// Process all elements
for (int i = 0; i < dimseList.size(); i++) {
datasetVector.addElement(((Dimse) dimseList.get(i)).getDataset());
}
return datasetVector;
}
public Vector cGET(Dataset ds) throws ConnectException, IOException, InterruptedException {
PresContext pc;
List dimseList;
Vector datasetVector;
// An association must be active
if (aassoc == null) {
throw new ConnectException("No Association established");
}
// Test, if Presentation Context for C-MOVE is supported
// API doc: Association.getAcceptedPresContext(String asuid, String tsuid)
if ((pc =
aassoc
.getAssociation()
.getAcceptedPresContext(
UIDs.StudyRootQueryRetrieveInformationModelGET,
UIDs.ExplicitVRLittleEndian))
== null
&& (pc =
aassoc
.getAssociation()
.getAcceptedPresContext(
UIDs.StudyRootQueryRetrieveInformationModelGET,
UIDs.ImplicitVRLittleEndian))
== null) {
throw new ConnectException(
"Association does not support presentation context for StudyRootQueryRetrieveInformationModelMOVE SOP.");
}
// Get the Study Instance UID of the study to mode
String suid = ds.getString(Tags.SOPInstanceUID);
// Prepare info for logging
String patName = ds.getString(Tags.PatientName);
String patID = ds.getString(Tags.PatientID);
String studyDate = ds.getString(Tags.StudyDate);
String prompt =
"Study[" + suid + "] from " + studyDate + " for Patient[" + patID + "]: " + patName;
// log.info("Moving: " + prompt);
// New Cammand Set, see: DICOM Part 7: Message Exchange, 6.3.1 Command Set Structure
Command rqCmd = dof.newCommand();
// API doc: Command.initCMoveRQ(int msgID, String sopClassUID, int priority, String moveDest)
rqCmd.initCGetRSP(assoc.nextMsgID(), UIDs.StudyRootQueryRetrieveInformationModelGET, priority);
Dataset rqDs = dof.newDataset();
rqDs.putCS(Tags.QueryRetrieveLevel, getQueryRetrieveLevel(STUDY_LEVEL));
// Only Unique Key allowed in C-MOVE. PS 3.4 -C.2.2.1 Attribute Types
rqDs.putUI(Tags.SOPInstanceUID, suid);
// API doc: AssociationFactorynewDimse(int pcid, Command cmd, Dataset ds)
// DIMSE (DICOM Message Service Element) ist ein Nachrichtendienst in DICOM
Dimse moveRq = aFact.newDimse(pc.pcid(), rqCmd, rqDs);
// Invoke active association with move request Dimse
FutureRSP future = aassoc.invoke(moveRq);
// Response to the C-MOVE request.
// The result cannot be accessed until it has been set.
Dimse moveRsp = future.get();
Command rspCmd = moveRsp.getCommand();
if (DEBUG) {
StringWriter w = new StringWriter();
w.write("C-FIND RQ Identifier:\n");
keys.dumpDataset(w, null);
log.debug(w.toString());
}
// Invoke active association with find request Dimse
// Response to the C-FIND request.
// The result cannot be accessed until it has been set.
// Get the list of found objects
dimseList = future.listPending();
// >>>> Extract Dataset from Dimse
datasetVector = new Vector();
// If no List of DIMSE objects was generated or it is empty return an empty Vector
if (dimseList == null || dimseList.isEmpty()) {
return datasetVector;
}
// Process all elements
for (int i = 0; i < dimseList.size(); i++) {
datasetVector.addElement(((Dimse) dimseList.get(i)).getDataset());
if (((Dimse) dimseList.get(i)).getDataset() == null)
System.out.println(" Dataset created succesffullyu ");
}
// PS 3.7 - 9.3.4 C-MOVE PROTOCOL, 9.3.4.2 C-MOVE-RSP
int status = rspCmd.getStatus();
switch (status) {
case 0x0000:
// log.info("Moved: " + prompt);
break;
case 0xB000:
log.error("One or more failures during move of " + prompt);
break;
default:
log.error("Failed to move " + prompt + "\n\terror tstatus: " + Integer.toHexString(status));
break;
}
System.out.println("The move sise is : " + datasetVector.size());
return datasetVector;
}
/**
* Stores a DICOM object in an archive (Storage SCP).
*
* <p>See PS 3.4 - Annex B STORAGE SERVICE CLASS.
*
* @param ds the Dataset to store.
* @throws ConnectException
* @throws ParseException
* @throws IOException
* @throws InterruptedException
* @throws IllegalStateException
*/
public void cSTORE(Dataset ds)
throws InterruptedException, IOException, ConnectException, ParseException {
String sopClassUID;
String sopInstUID;
PresContext pc = null;
// An association must be active
if (aassoc == null) {
throw new ConnectException("No Association established");
}
// SOP Class UID must be given
if ((sopClassUID = ds.getString(Tags.SOPClassUID)) == null) {
throw new ParseException("No SOP Class UID in Dataset", 0);
}
// SOP Instance UID must be given
if ((sopInstUID = ds.getString(Tags.SOPInstanceUID)) == null) {
throw new ParseException("No SOP Instance UID in Dataset", 0);
}
// Test, if applicable presentation context was found
if ((pc =
aassoc
.getAssociation()
.getAcceptedPresContext(sopClassUID, UIDs.ImplicitVRLittleEndian))
== null
&& (pc =
aassoc
.getAssociation()
.getAcceptedPresContext(sopClassUID, UIDs.ExplicitVRLittleEndian))
== null
&& (pc =
aassoc
.getAssociation()
.getAcceptedPresContext(sopClassUID, UIDs.ExplicitVRBigEndian))
== null) {
throw new ConnectException("No applicable presentation context found");
}
// New Cammand Set, see: DICOM Part 7: Message Exchange, 6.3.1 Command Set Structure
Command cStoreRQ = oFact.newCommand();
// API doc: Command.initCStoreRQ(int msgID, String sopClassUID, String sopInstUID, int priority)
cStoreRQ.initCStoreRQ(assoc.nextMsgID(), sopClassUID, sopInstUID, priority);
// API doc: AssociationFactorynewDimse(int pcid, Command cmd, Dataset ds)
// DIMSE (DICOM Message Service Element) ist ein Nachrichtendienst in DICOM
Dimse storeRq = aFact.newDimse(pc.pcid(), cStoreRQ, ds);
// PS 3.7 - 9.3.1 C-STORE PROTOCOL, 9.3.1.2 C-STORE-RSP
// Always returns SUCESS result code.
// Invoke active association with echo request Dimse
FutureRSP future = aassoc.invoke(storeRq);
System.out.println("store is going in this AE");
// Response to the C-ECHO request.
// The result cannot be accessed until it has been set.
Dimse storeRsp = future.get();
Command rspCmd = storeRsp.getCommand();
// PS 3.7 - 9.3.5 C-MOVE PROTOCOL, 9.3.5.2 C-ECHO-RSP
int status = rspCmd.getStatus();
switch (status) {
case 0x0000:
// Success
break;
default:
log.error("C-STORE failed: " + Integer.toHexString(status));
break;
}
}