Example #1
0
        private TaskInfo SendStudy(string studyInstanceUid, string aeTarget)
        {
            var taskInfo = new TaskInfo()
            {
                Token = new CancellationTokenSource()
            };

            taskInfo.Task = Task.Run(() =>
            {
                taskInfo.Token.Token.ThrowIfCancellationRequested();

                this._logger.Log(LogLevel.Info, "Sending study to " + aeTarget + ": " + studyInstanceUid);

                var remoteAe = this._db.GetEntity(aeTarget);
                if (remoteAe == null)
                {
                    this._logger.Log(LogLevel.Error, "Unknown send target AE: " + aeTarget);
                    return;
                }

                var images = this._db.FetchStudyImages(studyInstanceUid);

                taskInfo.ProgressCount = 0;
                taskInfo.ProgressTotal = images.Count;

                TaskCompletionSource <bool> source = new TaskCompletionSource <bool>();
                var sender          = new DICOMSender(this._logger, aeTarget + "/" + studyInstanceUid, this._settings.VerboseLogging);
                sender.SCUFinished += (DICOMSCU scu, bool success) =>
                {
                    source.SetResult(success);
                };
                sender.SendUpdate += (DICOMSender senderx, ushort remaining, ushort completed, ushort warned, ushort failed) =>
                {
                    taskInfo.ProgressCount = completed + warned + failed;
                };
                sender.Send(this.GetHostingAE(), remoteAe, images.Select(image => new SendableImage
                {
                    FilePath       = _db.FixImagePath(image.Path),
                    AbstractSyntax = AbstractSyntaxes.Lookup(image.SOPClassID),
                    TransferSyntax = TransferSyntaxes.Lookup(image.TransferSyntaxID)
                }));

                source.Task.Wait();

                this._logger.Log(LogLevel.Info, "Done sending study to " + aeTarget + ": " + studyInstanceUid);
            }, taskInfo.Token.Token);

            return(taskInfo);
        }
Example #2
0
        /// <summary>
        /// Attempt to pull an abstract syntax out of a DICOMData.
        /// </summary>
        /// <param name="data">The DICOMData to extract from.</param>
        /// <returns>The abstract syntax from either the media storage Sop class uid field or the sop class uid field.
        /// If both are missing, returns CT Image Storage.</returns>
        public static AbstractSyntax ExtractAbstractSyntaxFromDicomData(DICOMData data)
        {
            var MediaStorageSOPClassUID = data.Elements[DICOMTags.MediaStorageSOPClassUID] as DICOMElementUI;

            if (MediaStorageSOPClassUID != null)
            {
                return(AbstractSyntaxes.Lookup(MediaStorageSOPClassUID.Data as string));
            }
            else
            {
                var SOPClassUID = data.Elements[DICOMTags.SOPClassUID] as DICOMElementUI;
                if (SOPClassUID != null)
                {
                    return(AbstractSyntaxes.Lookup(SOPClassUID.Data as string));
                }
                else
                {
                    // Fall back to basic CT image storage...
                    return(AbstractSyntaxes.CTImageStorage);
                }
            }
        }
Example #3
0
        internal void ParsePacket(SwappableBinaryReader dataSource, int itemLength)
        {
            long startOffset = dataSource.BaseStream.Position;

            ContextID = dataSource.ReadByte();
            byte reserved = dataSource.ReadByte();

            Result   = (PresentationResult)dataSource.ReadByte();
            reserved = dataSource.ReadByte();

            while (dataSource.BaseStream.Position - startOffset < itemLength)
            {
                //read sub-item
                byte   subItemType     = dataSource.ReadByte();
                byte   subItemReserved = dataSource.ReadByte();
                ushort subItemLength   = dataSource.ReadUInt16();

                if (subItemType == 0x30)
                {
                    string rawSyntax = Uid.UidRawToString(dataSource.ReadBytes(subItemLength));
                    AbstractSyntaxSpecified = AbstractSyntaxes.Lookup(rawSyntax);
                }
                else if (subItemType == 0x40)
                {
                    string         rawSyntax = Uid.UidRawToString(dataSource.ReadBytes(subItemLength));
                    TransferSyntax syntax    = TransferSyntaxes.Lookup(rawSyntax);
                    if (syntax != null)
                    {
                        TransferSyntaxesProposed.Add(syntax);
                    }
                }
                else
                {
                    //no idea what it is, or we don't care
                    dataSource.ReadBytes(itemLength);
                }
            }
        }
Example #4
0
        internal QRRequestData(DICOMData cmd, DICOMData data)
        {
            //parse query-retrieve level
            QueryLevel = AbstractSyntaxes.Lookup((string)cmd[DICOMTags.AffectedSOPClass].Data).ParseQRLevel();

            if (QueryLevel == QueryRetrieveLevel.ModalityWorklist)
            {
                FindLevel = QRLevelType.Study;
            }
            else
            {
                //parse find level
                string type = ((string)data[DICOMTags.QueryRetrieveLevel].Data).Trim().ToUpper();
                if (type == "PATIENT")
                {
                    FindLevel = QRLevelType.Patient;
                }
                else if (type == "STUDY")
                {
                    FindLevel = QRLevelType.Study;
                }
                else if (type == "SERIES")
                {
                    FindLevel = QRLevelType.Series;
                }
                else if (type == "IMAGE")
                {
                    FindLevel = QRLevelType.Image;
                }
                else
                {
                    FindLevel = QRLevelType.Study;    //fallback
                }
            }

            Console.Write(data.Dump());

            //pull all search terms
            SearchTerms = new Dictionary <uint, object>();
            foreach (DICOMElement elem in data.Elements.Values)
            {
                //Don't add group length elements
                if (elem.Elem == 0)
                {
                    continue;
                }
                if (elem.Tag == DICOMTags.QueryRetrieveLevel)
                {
                    continue;
                }

                if (elem.Tag == DICOMTags.ScheduledProcedureStepSequence)
                {
                    if (elem.VRShort == DICOMElementSQ.vrshort)
                    {
                        foreach (SQItem sqItem in ((DICOMElementSQ)elem).Items)
                        {
                            foreach (DICOMElement elemi in sqItem.Elements)
                            {
                                if (elemi.Elem == 0)
                                {
                                    continue;
                                }
                                if (elemi.Tag == DICOMTags.QueryRetrieveLevel)
                                {
                                    continue;
                                }

                                SearchTerms.Add(elemi.Tag, elemi.Data);
                            }
                        }
                    }
                }
                else if (elem.Data.ToString() != "")
                {
                    SearchTerms.Add(elem.Tag, elem.Data);
                }
            }

            FillTagsList(data);
        }
Example #5
0
 static Uid()
 {
     //force abstract and transfer syntaxes to init to poulate the masterlookup
     AbstractSyntaxes.Init();
     TransferSyntaxes.Init();
 }
Example #6
0
        private void SendNextImage()
        {
            DICOMData data = null;

            while (sendQueue.Count > 0)
            {
                var nextImg = sendQueue.Dequeue();

                try
                {
                    data = nextImg.DicomData;

                    if (data == null)
                    {
                        if (!File.Exists(nextImg.FilePath))
                        {
                            logger.Log(LogLevel.Error, "File doesn't exist: " + nextImg.FilePath);

                            failed++;
                            if (SendUpdate != null)
                            {
                                SendUpdate(this, (ushort)sendQueue.Count, completed, warned, failed);
                            }
                            continue;
                        }

                        data = new DICOMData();
                        if (!data.ParseFile(nextImg.FilePath, true, logger))
                        {
                            failed++;
                            if (SendUpdate != null)
                            {
                                SendUpdate(this, (ushort)sendQueue.Count, completed, warned, failed);
                            }
                            continue;
                        }
                    }

                    // See if anyone wants to do any work to it
                    if (PreSendImage != null)
                    {
                        PreSendImage(this, data);
                    }

                    AbstractSyntax absSyntax = AbstractSyntaxes.CTImageStorage;
                    if (data.Elements.ContainsKey(DICOMTags.SOPClassUID))
                    {
                        absSyntax = AbstractSyntaxes.Lookup((string)data[DICOMTags.SOPClassUID].Data);
                    }
                    conn.SendCSTORERQ(data, absSyntax, CommandPriority.Medium, moveInitiatorAETitle, moveMessageID);
                }
                catch (Exception e)
                {
                    logger.Log(LogLevel.Error, "Unknown error encountered in DICOMSender.SendNextImage: " + e.Message);
                    failed++;
                    if (SendUpdate != null)
                    {
                        SendUpdate(this, (ushort)sendQueue.Count, completed, warned, failed);
                    }
                }

                return;
            }

            conn.SendReleaseRQ();
        }