public bool End(string uid, DataSet dicom)
{
PresentationDataPdu pdu = new PresentationDataPdu(Syntaxes[0]);
PresentationDataValue pdv = new PresentationDataValue(PresentationContextId, Syntaxes[0], MessageType.LastCommand);
DataSet command = new DataSet();
command.Add(t.GroupLength(0), (uint)0);
command.Add(t.AffectedSOPClassUID, SOPClassUId);
command.Add(t.CommandField, (ushort)CommandType.N_SET_RQ);
command.Add(t.MessageId, (ushort)1);
command.Add(t.Priority, (ushort)Priority.Medium);
command.Add(t.CommandDataSetType, (ushort)DataSetType.DataSetPresent);
command.Add(t.RequestedSOPInstanceUID, uid);
pdv.Dicom = command;
pdu.Values.Add(pdv);
SendPdu("N-SET-RQ", pdu);
SendDataPdu("N-SET-DATA", dicom);
Dictionary <string, string> errors = new Dictionary <string, string>();
errors.Add("0110", "Performed Procedure Step Object may no longer be updated");
ProcessResponse("N-SET-RQ", 8000, errors, null);
return(true);
}
public RecordCollection CFind(DataSet dicom)
{
PresentationDataPdu pdu = new PresentationDataPdu(Syntaxes[0]);
PresentationDataValue pdv = new PresentationDataValue(PresentationContextId, Syntaxes[0], MessageType.LastCommand);
DataSet command = new DataSet();
command.Add(t.GroupLength(0), (uint)0);
command.Add(t.AffectedSOPClassUID, SOPClassUId);
command.Add(t.CommandField, (ushort)CommandType.C_FIND_RQ);
command.Add(t.MessageId, (ushort)1);
command.Add(t.Priority, (ushort)Priority.Medium);
command.Add(t.CommandDataSetType, (ushort)DataSetType.DataSetPresent);
pdv.Dicom = command;
pdu.Values.Add(pdv);
records = new RecordCollection();
SendPdu("C-FIND-RQ", pdu);
SendDataPdu("C-FIND-RQ DATA", dicom);
Dictionary <string, string> errors = new Dictionary <string, string>();
errors.Add("A700", "Refused: Out of Resources");
errors.Add("A900", "Identifier does not match SOP Class");
errors.Add("C", "Unable to process");
ProcessResponse("C-FIND-RQ", 30000, errors, null);
// it is figured that Status.Pending would not bee seen here
return(records);
}
public bool Begin(string uid, DataSet dicom)
{
PresentationDataPdu pdu = new PresentationDataPdu(Syntaxes[0]);
PresentationDataValue pdv = new PresentationDataValue(PresentationContextId, Syntaxes[0], MessageType.LastCommand);
DataSet command = new DataSet();
command.Add(t.GroupLength(0), (uint)0);
command.Add(t.AffectedSOPClassUID, SOPClassUId);
command.Add(t.CommandField, (ushort)CommandType.N_CREATE_RQ);
command.Add(t.MessageId, (ushort)1);
command.Add(t.Priority, (ushort)Priority.Medium);
command.Add(t.CommandDataSetType, (ushort)DataSetType.DataSetPresent);
command.Add(t.AffectedSOPInstanceUID, uid);
pdv.Dicom = command;
pdu.Values.Add(pdv);
SendPdu("N-CREATE-RQ", pdu);
SendDataPdu("N-CREATE-DATA", dicom);
ProcessResponse("N-CREATE-RQ", 8000, null, null);
return(true);
}
private void NEventReport(MessageType control, DataSet dicom)
{
if (!MessageControl.IsCommand(control))
{
Logging.Log("<< N-EVENT-REPORT-DATA");
if (StorageCommitReport != null)
{
StorageCommitReport(this, new StorageCommitEventArgs(dicom, StorageCommitEventType.Report));
}
PresentationDataValue pdv = new PresentationDataValue(PresentationContextId, Syntaxes[0], MessageType.LastCommand);
DataSet fragment = new DataSet();
fragment.Part10Header = false;
fragment.Add(t.GroupLength(0), (uint)0);
fragment.Add(t.AffectedSOPClassUID, SOPClass.StorageCommitmentPushModelSOPClass);
fragment.Add(t.CommandField, (ushort)CommandType.N_EVENT_REPORT_RSP);
fragment.Add(t.MessageIdBeingRespondedTo, MessageId);
fragment.Add(t.CommandDataSetType, (ushort)DataSetType.DataSetNotPresent);
fragment.Add(t.Status, (ushort)0);
fragment.Add(t.AffectedSOPInstanceUID, SOPClass.StorageCommitmentPushModelSOPInstance);
fragment.Add(t.ActionTypeID, "1");
pdv.Dicom = fragment;
PresentationDataPdu request = new PresentationDataPdu(syntaxes[0]);
request.Values.Add(pdv);
SendPdu("N-EVENT-REPORT-RSP", request);
}
}
internal bool SendPdu(ServiceClass service, MessageType type, string message, DataSet dicom)
{
bool result = true;
if (State == State.Aborted)
{
throw AbortException;
}
if (service != null)
{
service.LastMessage = null;
}
dicom.Part10Header = false;
dicom.TransferSyntaxUID = MessageControl.IsCommand(type) ? Syntax.ImplicitVrLittleEndian : service.Syntaxes[0];
MemoryStream memory = new MemoryStream();
dicom.Write(memory);
byte[] bytes = memory.ToArray();
PresentationDataPdu pdu = null;
PresentationDataValue pdv = null;
int index = 0;
int remaining = (int)memory.Length;
int size = this.packetSize - 128;
State = (State != State.Closing) ? State.Waiting : State;
while (remaining > this.packetSize && result)
{
pdu = new PresentationDataPdu(service.Syntaxes[0]);
pdv = new PresentationDataValue(service.PresentationContextId, service.Syntaxes[0], type, bytes, index, size);
pdu.Values.Add(pdv);
result = Send(message, pdu);
index += size;
remaining -= size;
}
if (result)
{
pdu = new PresentationDataPdu(service.Syntaxes[0]);
pdv = new PresentationDataValue(service.PresentationContextId, service.Syntaxes[0], type + 2, bytes, index, remaining);
pdu.Values.Add(pdv);
result = Send(message, pdu);
}
return(result);
}
private void NCreate(MessageType control, DataSet dicom)
{
if (MessageControl.IsCommand(control))
{
Logging.Log("<< N-CREATE-RQ");
AffectedSOPClassUID = (string)dicom[t.AffectedSOPClassUID].Value;
AffectedSOPInstanceUID = (string)dicom[t.AffectedSOPInstanceUID].Value;
MessageId = (ushort)dicom[t.MessageId].Value;
}
else
{
Logging.Log("<< N-CREATE-DATA");
if (AffectedSOPClassUID == SOPClass.PresentationLUTSOPClass)
{
//PresentationLUT plut = new PresentationLUT();
//plut.Dicom = dicom;
}
else
{
Logging.Log("N-SET: Unknown SOP class {0}", AffectedSOPClassUID);
return;
}
PresentationDataValue pdv = new PresentationDataValue(PresentationContextId, Syntaxes[0], MessageType.LastCommand);
DataSet fragment = new DataSet();
fragment.Add(t.GroupLength(0), (uint)0); //
fragment.Add(t.AffectedSOPClassUID, AffectedSOPClassUID); //
fragment.Add(t.CommandField, (ushort)CommandType.N_CREATE_RSP); //
fragment.Add(t.MessageIdBeingRespondedTo, MessageId);
fragment.Add(t.CommandDataSetType, (ushort)DataSetType.DataSetNotPresent); //
fragment.Add(t.Status, (ushort)0);
fragment.Add(t.AffectedSOPInstanceUID, AffectedSOPInstanceUID);
pdv.Dicom = fragment;
PresentationDataPdu request = new PresentationDataPdu(syntaxes[0]);
request.Values.Add(pdv);
SendPdu("N-CREATE-RSP", request);
}
}
private void NAction(MessageType control, DataSet dicom)
{
if (MessageControl.IsCommand(control))
{
Logging.Log("<< N-ACTION-RQ");
RequestedSOPClassUID = (string)dicom[t.RequestedSOPClassUID].Value;
RequestedSOPInstanceUID = (string)dicom[t.RequestedSOPInstanceUID].Value;
MessageId = (ushort)dicom[t.MessageId].Value;
}
else
{
Logging.Log("<< N-ACTION-DATA");
if (StorageCommitRequest != null)
{
var args = new StorageCommitEventArgs(dicom, StorageCommitEventType.Request)
{
CallingAeIpAddress = association.CallingAeIpAddress,
CallingAeTitle = association.CallingAeTitle
};
StorageCommitRequest(this, args);
}
PresentationDataValue pdv = new PresentationDataValue(PresentationContextId, Syntaxes[0], MessageType.LastCommand);
DataSet fragment = new DataSet();
fragment.Part10Header = false;
fragment.TransferSyntaxUID = Syntax.ImplicitVrLittleEndian;
fragment.Add(t.GroupLength(0), (uint)0); //
fragment.Add(t.CommandField, (ushort)CommandType.N_ACTION_RSP); //
fragment.Add(t.MessageIdBeingRespondedTo, MessageId);
fragment.Add(t.CommandDataSetType, (ushort)DataSetType.DataSetNotPresent);
fragment.Add(t.Status, (ushort)0);
pdv.Dicom = fragment;
PresentationDataPdu request = new PresentationDataPdu(syntaxes[0]);
request.Values.Add(pdv);
SendPdu("N-ACTION-RSP", request);
}
}
/// <summary>
/// Perform an N-ACTION Storage Commitment request over an established association
/// </summary>
/// <returns></returns>
public bool Request(DataSet dicom)
{
PresentationDataPdu pdu = new PresentationDataPdu(Syntaxes[0]);
PresentationDataValue pdv = new PresentationDataValue(PresentationContextId, Syntaxes[0], MessageType.LastCommand);
DataSet command = new DataSet();
command.Add(t.GroupLength(0), (uint)0);
command.Add(t.RequestedSOPClassUID, SOPClass.StorageCommitmentPushModelSOPClass);
command.Add(t.CommandField, (ushort)CommandType.N_ACTION_RQ);
command.Add(t.MessageId, (ushort)1);
command.Add(t.CommandDataSetType, (ushort)DataSetType.DataSetPresent);
command.Add(t.RequestedSOPInstanceUID, SOPClass.StorageCommitmentPushModelSOPInstance);
command.Add(t.ActionTypeID, "1");
pdv.Dicom = command;
pdu.Values.Add(pdv);
SendPdu("N-ACTION-RQ", pdu);
DataSet data = new DataSet();
data.Part10Header = false;
dicom.TransferSyntaxUID = Syntax.ImplicitVrLittleEndian;
data.Set(t.SOPClassUID, SOPClass.StorageCommitmentPushModelSOPClass);
data.Set(t.SOPInstanceUID, Element.UidRoot);
data.Set(t.TransactionUID, Element.NewUid());
Sequence sequence = new Sequence(t.ReferencedSOPSequence);
data.Add(sequence);
Elements item = sequence.NewItem();
item.Set(t.ReferencedSOPClassUID, (string)dicom[t.SOPClassUID].Value);
item.Set(t.ReferencedSOPInstanceUID, (string)dicom[t.SOPInstanceUID].Value);
SendDataPdu("N-ACTION-RQ DATA", data);
ProcessResponse("N-ACTION-RQ (Storage Commit)", 8000, null, null);
return(true);
}
internal bool SendDataPdu(ServiceClass service, string message, DataSet dicom)
{
bool result = true;
dicom.Part10Header = false;
dicom.TransferSyntaxUID = service.Syntaxes[0];
MemoryStream memory = new MemoryStream();
dicom.Write(memory);
byte[] bytes = memory.ToArray();
PresentationDataPdu pdu = null;
PresentationDataValue pdv = null;
int index = 0;
int remaining = (int)memory.Length;
int size = this.packetSize - 128;
while (remaining > this.packetSize && result)
{
pdu = new PresentationDataPdu(service.Syntaxes[0]);
pdv = new PresentationDataValue(service.PresentationContextId, service.Syntaxes[0], MessageType.DataSet, bytes, index, size);
pdu.Values.Add(pdv);
result = SendPdu(service, message, pdu);
index += size;
remaining -= size;
}
if (result)
{
pdu = new PresentationDataPdu(service.Syntaxes[0]);
pdv = new PresentationDataValue(service.PresentationContextId, service.Syntaxes[0], MessageType.LastDataSet, bytes, index, remaining);
pdu.Values.Add(pdv);
result = SendPdu(service, message, pdu);
}
return(result);
}
/// <summary>
/// Perform an N-EVENT-REPORT Storage Commitment report over an established association with the ScpScuRole of Scp.
/// </summary>
/// <returns></returns>
public bool Report(DataSet dicom)
{
PresentationDataPdu pdu = new PresentationDataPdu(Syntaxes[0]);
PresentationDataValue pdv = new PresentationDataValue(PresentationContextId, Syntaxes[0], MessageType.LastCommand);
// for storage commit, ScpScuRoleSelectionItem is mandatory and N_EVENT_REPORT_RQ generator is the SCP
// perhaps move Report to StorageCommitServiceSCU, and move responses in here
Role = Role.Scp;
DataSet command = new DataSet();
command.Add(t.GroupLength(0), (uint)0);
command.Add(t.AffectedSOPClassUID, SOPClass.StorageCommitmentPushModelSOPClass);
command.Add(t.CommandField, (ushort)CommandType.N_EVENT_REPORT_RQ);
command.Add(t.MessageId, (ushort)1);
command.Add(t.CommandDataSetType, (ushort)DataSetType.DataSetPresent);
command.Add(t.AffectedSOPInstanceUID, SOPClass.StorageCommitmentPushModelSOPInstance);
command.Add(t.ActionTypeID, "1");
pdv.Dicom = command;
pdu.Values.Add(pdv);
SendPdu("N_EVENT_REPORT_RQ", pdu);
if (dicom.Contains(t.SOPClassUID))
{
dicom.Remove(t.SOPClassUID);
}
if (dicom.Contains(t.SOPInstanceUID))
{
dicom.Remove(t.SOPInstanceUID);
}
SendDataPdu("N_EVENT_REPORT_RQ DATA", dicom);
ProcessResponse("N_EVENT_REPORT_RQ (Storage Commit)", 8000, null, null);
return(true);
}
public void OnData(MessageType control, Message message)
{
Logging.Log("MppsServiceSCP.OnData");
DataSet dicom = message.Dicom;
if (MessageControl.IsCommand(control))
{
command = (ushort)dicom[t.CommandField].Value;
SOPInstanceUID = (command == (ushort)CommandType.N_CREATE_RQ) ?
(string)dicom[t.AffectedSOPInstanceUID].Value :
(string)dicom[t.RequestedSOPInstanceUID].Value;
MessageId = (ushort)dicom[t.MessageId].Value;
}
else
{
dicom.Add(t.GroupLength(2), (ulong)0);
dicom.Add(t.FileMetaInformationVersion, new byte[] { 0, 1 });
dicom.Add(t.MediaStorageSOPClassUID, this.SOPClassUId);
dicom.Add(t.MediaStorageSOPInstanceUID, this.SOPInstanceUID);
dicom.Add(t.TransferSyntaxUID, this.syntaxes[0]);
dicom.Add(t.ImplementationClassUID, "1.2.3.4");
dicom.Add(t.ImplementationVersionName, "not specified");
dicom.Part10Header = true;
dicom.TransferSyntaxUID = syntaxes[0];
MppsEventArgs mpps = new MppsEventArgs(SOPInstanceUID, command, dicom);
mpps.CallingAeTitle = association.CallingAeTitle;
mpps.CallingAeIpAddress = association.CallingAeIpAddress;
if (command == (ushort)CommandType.N_CREATE_RQ && MppsCreate != null)
{
MppsCreate(this, mpps);
}
else if (command == (ushort)CommandType.N_SET_RQ && MppsSet != null)
{
MppsSet(this, mpps);
}
else
{
string uid = (string)dicom[t.SOPInstanceUID].Value;
dicom.Write(uid + ".dcm");
}
PresentationDataValue pdv = new PresentationDataValue(PresentationContextId, Syntaxes[0], MessageType.LastCommand);
DataSet fragment = new DataSet();
fragment.Add(t.GroupLength(0), (uint)144); //
fragment.Add(t.AffectedSOPClassUID, this.SOPClassUId); //
fragment.Add(t.CommandField, (ushort)command | 0x8000); //
fragment.Add(t.MessageIdBeingRespondedTo, MessageId);
fragment.Add(t.CommandDataSetType, (ushort)DataSetType.DataSetNotPresent); //
fragment.Add(t.Status, (int)((mpps.Cancel) ? 0xC000 : 0));
fragment.Add(t.AffectedSOPInstanceUID, SOPInstanceUID);
pdv.Dicom = fragment;
PresentationDataPdu request = new PresentationDataPdu(syntaxes[0]);
request.Values.Add(pdv);
SendPdu((command == (ushort)CommandType.N_CREATE_RQ) ? "N-CREATE-RSP" : ">> N-SET-RSP", request);
}
}
private DataSet Execute(CommandType type, string destination, Element element)
{
PresentationDataPdu pdu = new PresentationDataPdu(Syntaxes[0]);
PresentationDataValue pdv = new PresentationDataValue(PresentationContextId, Syntaxes[0], MessageType.LastCommand);
DataSet command = new DataSet();
command.Add(t.GroupLength(0), (uint)0);
command.Add(t.AffectedSOPClassUID, SOPClassUId);
command.Add(t.CommandField, (ushort)type);
command.Add(t.MessageId, (ushort)1);
if (destination != null)
{
command.Add(t.MoveDestination, destination);
}
command.Add(t.Priority, (ushort)Priority.Medium);
command.Add(t.CommandDataSetType, (ushort)DataSetType.DataSetPresent);
pdv.Dicom = command;
pdu.Values.Add(pdv);
results = new DataSet();
SendPdu(type.ToString(), pdu);
DataSet dicom = new DataSet();
dicom.Part10Header = false;
if (element.Tag.Equals(t.PatientID))
{
dicom.Set(t.QueryRetrieveLevel, "PATIENT");
}
else if (element.Tag.Equals(t.StudyInstanceUID))
{
dicom.Set(t.QueryRetrieveLevel, "STUDY");
}
else if (element.Tag.Equals(t.SeriesInstanceUID))
{
dicom.Set(t.QueryRetrieveLevel, "SERIES");
}
else if (element.Tag.Equals(t.SOPInstanceUID))
{
dicom.Set(t.QueryRetrieveLevel, "IMAGE");
}
else
{
throw new Exception("Unsupported Unique Key Attribute.");
}
dicom.Add(element);
SendDataPdu(type.ToString() + " DATA", dicom);
Dictionary <string, string> errors = new Dictionary <string, string>();
errors.Add("A701", "Refused: Out of Resources ?Unable to calculate number of matches");
errors.Add("A702", "Refused: Out of Resources ?Unable to perform sub-operations");
errors.Add("A801", "Refused: Move Destination unknown");
errors.Add("A900", "Identifier does not match SOP Class");
Dictionary <string, string> warnings = new Dictionary <string, string>();
warnings.Add("B000", "Sub-operations Complete ?One or more Failures");
ProcessResponse(type.ToString(), 30000, errors, warnings);
return(results);
}
public void OnData(MessageType control, Message message)
{
Logging.Log("\nCMoveServiceSCP({0}).OnData", Reflection.GetName(typeof(SOPClass), this.SOPClassUId));
DataSet dicom = message.Dicom;
if (MessageControl.IsCommand(control))
{
MessageId = (ushort)dicom[t.MessageId].Value;
// TODO accomodate trailing spaces
destination = ((string)dicom[t.MoveDestination].Value).TrimEnd();
}
else
{
PresentationDataValue pdv;
PresentationDataPdu command;
DataSet fragment = new DataSet();
if (!this.Association.Hosts.ContainsKey(destination))
{
pdv = new PresentationDataValue(PresentationContextId, Syntaxes[0], MessageType.LastCommand);
fragment.Part10Header = false;
fragment.TransferSyntaxUID = syntaxes[0];
fragment.Add(t.GroupLength(0), (uint)0);
fragment.Add(t.AffectedSOPClassUID, this.SOPClassUId);
fragment.Add(t.CommandField, (ushort)CommandType.C_MOVE_RSP);
fragment.Add(t.MessageIdBeingRespondedTo, MessageId);
fragment.Add(t.CommandDataSetType, (ushort)DataSetType.DataSetNotPresent);
fragment.Add(t.Status, (ushort)0xA801);
pdv.Dicom = fragment;
command = new PresentationDataPdu(syntaxes[0]);
command.Values.Add(pdv);
SendPdu("C-MOVE-RSP", command);
return;
}
ApplicationEntity host = this.Association.Hosts[destination];
List <string> imagelist = Query(dicom);
int failed = 0;
for (int n = 0; n < imagelist.Count; n++)
{
if (!SendImage(host, imagelist[n]))
{
failed++;
}
pdv = new PresentationDataValue(PresentationContextId, Syntaxes[0], MessageType.LastCommand);
fragment = new DataSet();
fragment.Part10Header = false;
fragment.TransferSyntaxUID = syntaxes[0];
fragment.Add(t.GroupLength(0), (uint)0);
fragment.Add(t.AffectedSOPClassUID, this.SOPClassUId);
fragment.Add(t.CommandField, (ushort)CommandType.C_MOVE_RSP);
fragment.Add(t.MessageIdBeingRespondedTo, MessageId);
fragment.Add(t.CommandDataSetType, (ushort)DataSetType.DataSetPresent);
fragment.Add(t.Status, (ushort)0xff00);
fragment.Set(t.NumberofRemainingSuboperations, imagelist.Count - n - 1);
fragment.Set(t.NumberofCompletedSuboperations, n + 1 - failed);
fragment.Set(t.NumberofFailedSuboperations, failed);
fragment.Set(t.NumberofWarningSuboperations, 0);
pdv.Dicom = fragment;
command = new PresentationDataPdu(syntaxes[0]);
command.Values.Add(pdv);
SendPdu("C-MOVE-RSP", command);
}
int status = (failed > 0) ? 0xB000 : 0x0000;
pdv = new PresentationDataValue(PresentationContextId, Syntaxes[0], MessageType.LastCommand);
fragment = new DataSet();
fragment.Part10Header = false;
fragment.TransferSyntaxUID = syntaxes[0];
fragment.Add(t.GroupLength(0), (uint)0);
fragment.Add(t.AffectedSOPClassUID, this.SOPClassUId);
fragment.Add(t.CommandField, (ushort)CommandType.C_FIND_RSP);
fragment.Add(t.MessageIdBeingRespondedTo, MessageId);
fragment.Add(t.CommandDataSetType, (ushort)DataSetType.DataSetNotPresent);
fragment.Add(t.Status, (ushort)status);
fragment.Set(t.NumberofCompletedSuboperations, imagelist.Count);
fragment.Set(t.NumberofFailedSuboperations, 0);
fragment.Set(t.NumberofWarningSuboperations, 0);
pdv.Dicom = fragment;
command = new PresentationDataPdu(syntaxes[0]);
command.Values.Add(pdv);
SendPdu("C-MOVE-RSP", command);
}
}
public void OnData(MessageType control, Message message)
{
Logging.Log("\nCFindServiceSCP({0}).OnData", Reflection.GetName(typeof(SOPClass), this.SOPClassUId));
DataSet dicom = message.Dicom;
if (MessageControl.IsCommand(control))
{
MessageId = (ushort)dicom[t.MessageId].Value;
}
else
{
PresentationDataValue pdv;
PresentationDataPdu command;
DataSet fragment = new DataSet();
RecordCollection worklist;
if (Query != null)
{
QueryEventArgs args = new QueryEventArgs(dicom);
Query(this, args);
if (args.Cancel)
{
association.Abort();
return;
}
worklist = args.Records;
}
else
{
worklist = InternalQuery(dicom.Elements);
}
foreach (Elements procedure in worklist)
{
fragment = new DataSet();
pdv = new PresentationDataValue(PresentationContextId, Syntaxes[0], MessageType.LastCommand);
fragment.Add(t.GroupLength(0), (uint)0);
fragment.Add(t.AffectedSOPClassUID, this.SOPClassUId);
fragment.Add(t.CommandField, (ushort)CommandType.C_FIND_RSP);
fragment.Add(t.MessageIdBeingRespondedTo, MessageId);
fragment.Add(t.CommandDataSetType, (ushort)DataSetType.DataSetPresent);
fragment.Add(t.Status, (ushort)0xff00);
pdv.Dicom = fragment;
command = new PresentationDataPdu(syntaxes[0]);
command.Values.Add(pdv);
PresentationDataValue response = new PresentationDataValue(PresentationContextId, Syntaxes[0], MessageType.LastDataSet);
DataSet temp = new DataSet();
temp.Elements = procedure;
temp.Part10Header = false;
temp.TransferSyntaxUID = syntaxes[0];
response.Dicom = temp;
command.Values.Add(response);
Logging.Log(command.Dump());
SendPdu("C-FIND-RSP", command);
}
pdv = new PresentationDataValue(PresentationContextId, Syntaxes[0], MessageType.LastCommand);
fragment = new DataSet();
fragment.Add(t.GroupLength(0), (uint)0);
fragment.Add(t.AffectedSOPClassUID, this.SOPClassUId);
fragment.Add(t.CommandField, (ushort)CommandType.C_FIND_RSP);
fragment.Add(t.MessageIdBeingRespondedTo, MessageId);
fragment.Add(t.CommandDataSetType, (ushort)DataSetType.DataSetNotPresent);
fragment.Add(t.Status, (ushort)0x0000);
pdv.Dicom = fragment;
command = new PresentationDataPdu(syntaxes[0]);
command.Values.Add(pdv);
Logging.Log(command.Dump());
SendPdu("C-FIND-RSP", command);
}
}
/// <summary>
/// Initializes a new PduDataEventArgs instance with the specified PresentationDataPdu.
/// </summary>
/// <param name="records"></param>
internal PduDataEventArgs(PresentationDataPdu pdu)
{
this.pdu = pdu;
}
private void PduDataReceived(byte[] pdu)
{
//Logging.Log("PduDataReceived {0}", pdu);
//Dump("<< P-DATA-TF", pdu);
// TODO this must be able to handle multiple pdvs
string syntax = Syntax.ImplicitVrLittleEndian;
ServiceClass service = FindServiceClass(pdu[10]);
if (service != null)
{
syntax = service.Syntaxes[0];
}
// TODO currently assuming that a Command comes in a single pdu
// TODO all DataSet fragments are combined into a single Message
if (MessageControl.IsDataSet((MessageType)pdu[11]))
{
//Logging.Log("dataset");
if (MessageControl.IsNotLast((MessageType)pdu[11]))
{
//Logging.Log("not last fragment");
if (file == null)
{
file = new FileStream(Guid.NewGuid().ToString() + ".tmp", FileMode.Create, FileAccess.ReadWrite);
//Dump("PduDataReceived1 ...", pdu);
}
else
{
//Logging.Log("Receiving {0} bytes", pdu.Length - 12);
}
file.Write(pdu, 12, pdu.Length - 12);
return;
}
else
{
//Logging.Log("last fragment");
if (file != null)
{
Dump("PduDataReceived2 ...", pdu);
file.Write(pdu, 12, pdu.Length - 12);
file.Flush();
DataSet dicom = new DataSet();
dicom.TransferSyntaxUID = syntax;
file.Seek(0, SeekOrigin.Begin);
dicom.Read(file);
if (service != null)
{
try
{
service.LastMessage = new Message(dicom);
((IPresentationDataSink)service).OnData(MessageType.LastDataSet, service.LastMessage);
}
catch (Exception ex)
{
Logging.Log(LogLevel.Error, "Exception in OnData for SOPClassUId={0}, {1}", service.SOPClassUId, ex.Message);
}
}
file.Close();
File.Delete(file.Name);
file = null;
return;
}
}
}
// parse response
MemoryStream memory = new MemoryStream(pdu, 0, pdu.Length);
PresentationDataPdu response = new PresentationDataPdu(syntax);
response.Read(memory);
response.Dump();
foreach (PresentationDataValue pdv in response.Values)
{
service = FindServiceClass(pdv.context);
if (service != null && service is IPresentationDataSink)
{
service.LastMessage = new Message(pdv.Dicom);
((IPresentationDataSink)service).OnData(pdv.control, service.LastMessage);
}
}
}
