//
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is part of dcm4che, an implementation of DICOM(TM) in
* Java(TM), hosted at https://github.com/gunterze/dcm4che.
*
* The Initial Developer of the Original Code is
* Agfa Healthcare.
* Portions created by the Initial Developer are Copyright (C) 2011
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* See @authors listed below
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
package org.dcm4che3.tool.dcmqrscp;
import java.io.IOException;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Map.Entry;
import java.util.concurrent.Executor;
import org.dcm4che3.data.Attributes;
import org.dcm4che3.data.Sequence;
import org.dcm4che3.data.Tag;
import org.dcm4che3.data.UID;
import org.dcm4che3.data.VR;
import org.dcm4che3.media.DicomDirReader;
import org.dcm4che3.net.Association;
import org.dcm4che3.net.AssociationStateException;
import org.dcm4che3.net.Commands;
import org.dcm4che3.net.Connection;
import org.dcm4che3.net.Dimse;
import org.dcm4che3.net.Status;
import org.dcm4che3.net.pdu.PresentationContext;
import org.dcm4che3.net.service.AbstractDicomService;
import org.dcm4che3.net.service.DicomServiceException;
public class StgCmtSCPImpl extends AbstractDicomService {
private final DicomDirReader dicomDirReader;
private final Map<String,Connection> remoteConnections;
private final boolean stgCmtOnSameAssoc;
private final Executor executor;
public StgCmtSCPImpl(DicomDirReader dicomDirReader, Map<String,Connection> remoteConnections,
boolean stgCmtOnSameAssoc, Executor executor) {
super(UID.StorageCommitmentPushModelSOPClass);
this.dicomDirReader = dicomDirReader;
this.remoteConnections = remoteConnections;
this.stgCmtOnSameAssoc = stgCmtOnSameAssoc;
this.executor = executor;
}
@Override
protected void onDimseRQ(Association as, PresentationContext pc,
Dimse dimse, Attributes rq, Attributes actionInfo)
throws IOException {
if (dimse != Dimse.N_ACTION_RQ)
throw new DicomServiceException(Status.UnrecognizedOperation);
int actionTypeID = rq.getInt(Tag.ActionTypeID, 0);
if (actionTypeID != 1)
throw new DicomServiceException(Status.NoSuchActionType)
.setActionTypeID(actionTypeID);
Attributes rsp = Commands.mkNActionRSP(rq, Status.Success);
String callingAET = as.getCallingAET();
String calledAET = as.getCalledAET();
Connection remoteConnection = remoteConnections.get(callingAET);
if (remoteConnection == null)
throw new DicomServiceException(Status.ProcessingFailure, "Unknown Calling AET: " + callingAET);
Attributes eventInfo = calculateStorageCommitmentResult(calledAET, actionInfo);
try {
as.writeDimseRSP(pc, rsp, null);
executor.execute(new SendStgCmtResult(as, eventInfo, stgCmtOnSameAssoc, remoteConnection));
} catch (AssociationStateException e) {
DcmQRSCP.LOG.warn("{} << N-ACTION-RSP failed: {}", as, e.getMessage());
}
}
private Attributes calculateStorageCommitmentResult(String calledAET,
Attributes actionInfo) throws DicomServiceException {
Sequence requestSeq = actionInfo.getSequence(Tag.ReferencedSOPSequence);
int size = requestSeq.size();
String[] sopIUIDs = new String[size];
Attributes eventInfo = new Attributes(6);
eventInfo.setString(Tag.RetrieveAETitle, VR.AE, calledAET);
eventInfo.setString(Tag.StorageMediaFileSetID, VR.SH,
dicomDirReader.getFileSetID());
eventInfo.setString(Tag.StorageMediaFileSetUID, VR.SH,
dicomDirReader.getFileSetUID());
eventInfo.setString(Tag.TransactionUID, VR.UI,
actionInfo.getString(Tag.TransactionUID));
Sequence successSeq = eventInfo.newSequence(Tag.ReferencedSOPSequence,
size);
Sequence failedSeq = eventInfo.newSequence(Tag.FailedSOPSequence, size);
LinkedHashMap<String, String> map = new LinkedHashMap<String, String>(
size * 4 / 3);
for (int i = 0; i < sopIUIDs.length; i++) {
Attributes item = requestSeq.get(i);
map.put(sopIUIDs[i] = item.getString(Tag.ReferencedSOPInstanceUID),
item.getString(Tag.ReferencedSOPClassUID));
}
Map<String,Integer> instanceStatusMap = calculateMatches(map);
for(Entry<String,Integer> entry : instanceStatusMap.entrySet()) {
String iuid = entry.getKey();
int status = entry.getValue();
if(status == Status.Success) {
successSeq.add(refSOP(iuid, map.get(iuid), status));
} else {
failedSeq.add(refSOP(iuid, map.get(iuid), status));
}
}
if (failedSeq.isEmpty()) {
eventInfo.remove(Tag.FailedSOPSequence);
}
return eventInfo;
}
protected Map<String,Integer> calculateMatches(Map<String,String> requestMap) throws DicomServiceException {
Map<String, String> requestMapCopy = new HashMap<String, String>(requestMap);
Map<String, Integer> instanceStatusMap = new HashMap<String, Integer>();
String[] sopIUIDs = requestMap.keySet().toArray(new String[requestMap.keySet().size()]);
DicomDirReader ddr = dicomDirReader;
try {
Attributes patRec = ddr.findPatientRecord();
while (patRec != null) {
Attributes studyRec = ddr.findStudyRecord(patRec);
while (studyRec != null) {
Attributes seriesRec = ddr.findSeriesRecord(studyRec);
while (seriesRec != null) {
Attributes instRec = ddr.findLowerInstanceRecord(
seriesRec, true, sopIUIDs);
while (instRec != null) {
String iuid = instRec.getString(Tag.ReferencedSOPInstanceUIDInFile);
String cuid = requestMapCopy.remove(iuid);
if (cuid.equals(instRec.getString(Tag.ReferencedSOPClassUIDInFile))) {
instanceStatusMap.put(iuid, Status.Success);
}
else {
instanceStatusMap.put(iuid, Status.ClassInstanceConflict);
}
instRec = ddr.findNextInstanceRecord(instRec, true,
sopIUIDs);
}
seriesRec = ddr.findNextSeriesRecord(seriesRec);
}
studyRec = ddr.findNextStudyRecord(studyRec);
}
patRec = ddr.findNextPatientRecord(patRec);
}
} catch (IOException e) {
DcmQRSCP.LOG.info("Failed to M-READ " + ddr.getFile(), e);
throw new DicomServiceException(Status.ProcessingFailure, e);
}
for (Map.Entry<String, String> entry : requestMapCopy.entrySet()) {
instanceStatusMap.put(entry.getKey(), Status.NoSuchObjectInstance);
}
return instanceStatusMap;
}
private static Attributes refSOP(String iuid, String cuid, int failureReason) {
Attributes attrs = new Attributes(3);
attrs.setString(Tag.ReferencedSOPClassUID, VR.UI, cuid);
attrs.setString(Tag.ReferencedSOPInstanceUID, VR.UI, iuid);
if (failureReason != Status.Success)
attrs.setInt(Tag.FailureReason, VR.US, failureReason);
return attrs;
}
}