GetPresentationContexts() public method

public GetPresentationContexts ( ) : IList
return IList
Exemplo n.º 1
0
		protected override void OnReceiveAssociateRequest(DcmAssociate association) {
			association.NegotiateAsyncOps = false;
			LogID = association.CallingAE;

			_config = Config.Instance.FindPrinter(association.CalledAE);
			if (_config == null) {
				SendAssociateReject(DcmRejectResult.Permanent, DcmRejectSource.ServiceUser, DcmRejectReason.CalledAENotRecognized);
				return;
			}

			foreach (DcmPresContext pc in association.GetPresentationContexts()) {
				if (pc.AbstractSyntax == DicomUID.VerificationSOPClass ||
					pc.AbstractSyntax == DicomUID.BasicColorPrintManagementMetaSOPClass ||
					pc.AbstractSyntax == DicomUID.BasicGrayscalePrintManagementMetaSOPClass ||
					pc.AbstractSyntax == DicomUID.PrinterSOPClass ||
					//pc.AbstractSyntax == DicomUID.PrinterConfigurationRetrieval ||
					//pc.AbstractSyntax == DicomUID.PrintJob ||
					pc.AbstractSyntax == DicomUID.BasicFilmSessionSOPClass ||
					pc.AbstractSyntax == DicomUID.BasicFilmBoxSOPClass ||
					pc.AbstractSyntax == DicomUID.BasicGrayscaleImageBoxSOPClass ||
					pc.AbstractSyntax == DicomUID.BasicColorImageBoxSOPClass) {
					pc.SetResult(DcmPresContextResult.Accept);
				} else {
					pc.SetResult(DcmPresContextResult.RejectAbstractSyntaxNotSupported);
				}
			}
			SendAssociateAccept(association);
		}
Exemplo n.º 2
0
 public void Apply(DcmAssociate associate)
 {
     foreach (DcmPresContext pc in associate.GetPresentationContexts())
     {
         if (pc.Result == DcmPresContextResult.Proposed)
         {
             if (AbstractSyntaxes.Contains(pc.AbstractSyntax.UID))
             {
                 IList <DicomTransferSyntax> txs = pc.GetTransfers();
                 for (int i = 0; i < txs.Count; i++)
                 {
                     if (TransferSyntaxes.Contains(txs[i].UID.UID))
                     {
                         if (!DicomUID.IsImageStorage(pc.AbstractSyntax) && DicomTransferSyntax.IsImageCompression(txs[i]))
                         {
                             continue;
                         }
                         pc.SetResult(DcmPresContextResult.Accept, txs[i]);
                         break;
                     }
                 }
                 if (pc.Result != DcmPresContextResult.Accept)
                 {
                     pc.SetResult(DcmPresContextResult.RejectTransferSyntaxesNotSupported);
                 }
             }
             else
             {
                 pc.SetResult(DcmPresContextResult.RejectAbstractSyntaxNotSupported);
             }
         }
     }
 }
Exemplo n.º 3
0
        /// <summary>
        /// Writes A-ASSOCIATE-AC to PDU buffer
        /// </summary>
        /// <returns>PDU buffer</returns>
        public RawPDU Write()
        {
            RawPDU pdu = new RawPDU((byte)0x02);

            pdu.Write("Version", (ushort)0x0001);
            pdu.Write("Reserved", 0x00, 2);
            pdu.Write("Called AE", _assoc.CalledAE, 16, ' ');
            pdu.Write("Calling AE", _assoc.CallingAE, 16, ' ');
            pdu.Write("Reserved", 0x00, 32);

            // Application Context
            pdu.Write("Item-Type", (byte)0x10);
            pdu.Write("Reserved", (byte)0x00);
            pdu.MarkLength16("Item-Length");
            pdu.Write("Application Context Name", DicomUID.DICOMApplicationContextName.UID);
            pdu.WriteLength16();

            foreach (DcmPresContext pc in _assoc.GetPresentationContexts())
            {
                // Presentation Context
                pdu.Write("Item-Type", (byte)0x21);
                pdu.Write("Reserved", (byte)0x00);
                pdu.MarkLength16("Item-Length");
                pdu.Write("Presentation Context ID", (byte)pc.ID);
                pdu.Write("Reserved", (byte)0x00);
                pdu.Write("Result", (byte)pc.Result);
                pdu.Write("Reserved", (byte)0x00);

                // Transfer Syntax
                pdu.Write("Item-Type", (byte)0x40);
                pdu.Write("Reserved", (byte)0x00);
                pdu.MarkLength16("Item-Length");
                pdu.Write("Transfer Syntax UID", pc.AcceptedTransferSyntax.UID.UID);
                pdu.WriteLength16();

                pdu.WriteLength16();
            }

            // User Data Fields
            pdu.Write("Item-Type", (byte)0x50);
            pdu.Write("Reserved", (byte)0x00);
            pdu.MarkLength16("Item-Length");

            // Maximum PDU
            pdu.Write("Item-Type", (byte)0x51);
            pdu.Write("Reserved", (byte)0x00);
            pdu.Write("Item-Length", (ushort)0x0004);
            pdu.Write("Max PDU Length", (uint)_assoc.MaximumPduLength);

            // Implementation Class UID
            pdu.Write("Item-Type", (byte)0x52);
            pdu.Write("Reserved", (byte)0x00);
            pdu.MarkLength16("Item-Length");
            pdu.Write("Implementation Class UID", Implementation.ClassUID.UID);
            pdu.WriteLength16();

            // Asynchronous Operations Negotiation
            if (_assoc.NegotiateAsyncOps)
            {
                pdu.Write("Item-Type", (byte)0x53);
                pdu.Write("Reserved", (byte)0x00);
                pdu.Write("Item-Length", (ushort)0x0004);
                pdu.Write("Asynchronous Operations Invoked", (ushort)_assoc.AsyncOpsInvoked);
                pdu.Write("Asynchronous Operations Performed", (ushort)_assoc.AsyncOpsPerformed);
            }

            // Implementation Version
            pdu.Write("Item-Type", (byte)0x55);
            pdu.Write("Reserved", (byte)0x00);
            pdu.MarkLength16("Item-Length");
            pdu.Write("Implementation Version", Implementation.Version);
            pdu.WriteLength16();

            pdu.WriteLength16();

            return(pdu);
        }
Exemplo n.º 4
0
        protected override void OnReceiveAssociateRequest(DcmAssociate association)
        {
            Timer = Stopwatch.StartNew();

            association.NegotiateAsyncOps = false;

            LogID = association.CallingAE;

            Console.WriteLine("{0} Received Association Request from AE:{1} -> {2}", DateTime.Now, association.CallingAE, association.CalledAE );

            _flagAnonymousAccess = _flagAnonymousAccess || IsAnonymizedAE(association.CallingAE);

            foreach (DcmPresContext pc in association.GetPresentationContexts())
            {
                HandleEchoAssociationRequest(pc);

                if (Settings.Default.DoAllowFind)
                {
                    HandleFindAssociationRequest(pc);
                    HandleMoveAssociationRequest(pc);
                }
            }

            if( Settings.Default.DoAllowStore )
                HandleStoreAssociationRequest(association);

            SendAssociateAccept(association);
        }