public Dimse(int pcid, String tsUID, Command cmd, Stream ins)
{
this.m_pcid = pcid;
this.cmd = cmd;
this.ds = null;
this.src = null;
this.m_ins = ins;
this.tsUID = tsUID;
}
public Dimse(int pcid, Command cmd, Dataset ds, DataSourceI src)
{
this.m_pcid = pcid;
this.cmd = cmd;
this.ds = ds;
this.src = src;
this.m_ins = null;
this.tsUID = null;
this.cmd.PutUS(Tags.DataSetType, ds == null && src == null?Command.NO_DATASET:0);
}
public virtual void WriteTo(Command cmd)
{
cmd.PutUS(Tags.Status, status);
String msg = Message;
if (msg != null && msg.Length > 0)
{
cmd.PutLO(Tags.ErrorComment, msg.Length > 64?msg.Substring(0, (64) - (0)):msg);
}
if (errorID >= 0)
{
cmd.PutUS(Tags.ErrorID, errorID);
}
if (actionTypeID >= 0)
{
cmd.PutUS(Tags.ActionTypeID, actionTypeID);
}
if (eventTypeID >= 0)
{
cmd.PutUS(Tags.EventTypeID, eventTypeID);
}
}
public virtual Dimse NewDimse(int pcid, Command cmd, DataSourceI src)
{
return new Dimse(pcid, cmd, null, src);
}
public virtual Dimse NewDimse(int pcid, Command cmd, Dataset ds)
{
return new Dimse(pcid, cmd, ds, null);
}
public virtual Dimse NewDimse(int pcid, Command cmd)
{
return new Dimse(pcid, cmd, null, null);
}
protected override void DoCEcho(ActiveAssociation assoc, Dimse rq, Command rspCmd)
{
rspCmd.PutUS(Tags.Status,DcmServiceBase.SUCCESS);
}
// Private -------------------------------------------------------
private void DoMultiRsp(ActiveAssociation assoc, Dimse rq, Command rspCmd, MultiDimseRsp mdr)
{
try
{
assoc.AddCancelListener(rspCmd.MessageIDToBeingRespondedTo, mdr.CancelListener);
do
{
Dataset rspData = mdr.next(assoc, rq, rspCmd);
Dimse rsp = assocFact.NewDimse(rq.pcid(), rspCmd, rspData);
assoc.Association.Write(rsp);
DoAfterRsp(assoc, rsp);
}
while (rspCmd.IsPending());
}
finally
{
mdr.release();
}
}
protected virtual Dataset DoNSet(ActiveAssociation assoc, Dimse rq, Command rspCmd)
{
org.dicomcs.data.Dataset generatedAux = rq.Dataset; // read out dataset
throw defEx;
}
protected virtual void DoCEcho(ActiveAssociation assoc, Dimse rq, Command rspCmd)
{
// rq.getDataset(); // read out dataset
throw defEx;
}
public virtual void n_action(ActiveAssociation assoc, Dimse rq)
{
Command rqCmd = rq.Command;
Command rspCmd = new Command();
rspCmd.InitNActionRSP(rqCmd.MessageID, rqCmd.RequestedSOPClassUID, rqCmd.RequestedSOPInstanceUID, SUCCESS);
Dataset rspData = null;
try
{
rspData = DoNAction(assoc, rq, rspCmd);
}
catch (DcmServiceException e)
{
e.WriteTo(rspCmd);
}
Dimse rsp = assocFact.NewDimse(rq.pcid(), rspCmd, rspData);
assoc.Association.Write(rsp);
DoAfterRsp(assoc, rsp);
}
/// <summary>
/// Read DIMSE message from the current association
/// </summary>
/// <param name="timeout"></param>
/// <returns></returns>
public Dimse Read(int timeout)
{
lock(this)
{
this.timeout = timeout;
if (!NextPDV())
{
return null;
}
if (!pdv.cmd())
{
Abort("Command PDV expected, but received " + pdv);
}
int pcid = pdv.pcid();
String tsUID = fsm.GetAcceptedTransferSyntaxUID(pcid);
if (tsUID == null)
{
Abort("No Presentation Context negotiated with pcid:" + pcid);
}
Stream ins = new PDataTFInputStream(this, pdv.InputStream);
cmd = dcmObjFact.NewCommand();
bool ds = false;
try
{
cmd.Read(ins);
ds = cmd.HasDataset();
}
catch (ArgumentException e)
{
Abort(e.Message);
}
catch (DcmValueException e)
{
Abort(e.Message);
}
finally
{
ins.Close();
ins= null;
}
if (ds)
{
if (!NextPDV())
{
throw new EndOfStreamException("Association released during receive of DIMSE");
}
if (pdv.cmd())
{
Abort("Data PDV expected, but received " + pdv);
}
if (pcid != pdv.pcid())
{
Abort("Mismatch between Command PDV pcid: " + pcid + " and " + pdv);
}
ins = new PDataTFInputStream(this, pdv.InputStream);
}
else
{
// no Dataset
// if no Data Fragment
ForkNextReadNext();
}
Dimse retval = new Dimse(pcid, tsUID, cmd, ins);
fsm.FireReceived(retval);
return retval;
}
}
protected override void DoCStore(ActiveAssociation assoc, Dimse rq, Command rspCmd)
{
Command rqCmd = rq.Command;
Stream ins = rq.DataAsStream;
try
{
String instUID = rqCmd.AffectedSOPInstanceUID;
String classUID = rqCmd.AffectedSOPClassUID;
DcmDecodeParam decParam = DcmDecodeParam.ValueOf(rq.TransferSyntaxUID);
Dataset ds = objFact.NewDataset();
DcmParser parser = parserFact.NewDcmParser(ins);
parser.DcmHandler = ds.DcmHandler;
parser.ParseDataset(decParam, Tags.PixelData);
ds.SetFileMetaInfo( objFact.NewFileMetaInfo(classUID, instUID, rq.TransferSyntaxUID) );
FileInfo file = toFile(ds);
storeToFile(parser, ds, file, (DcmEncodeParam) decParam);
rspCmd.PutUS(Tags.Status, SUCCESS);
}
catch (System.Exception e)
{
log.Error(e.Message, e);
throw new DcmServiceException(PROCESSING_FAILURE, e);
}
finally
{
ins.Close();
}
}
