public IFramePixelData LoadFramePixelData(LoadFramePixelDataArgs args) { try { var client = new StreamingClient(_wadoUri); var result = client.RetrievePixelData(_aeTitle, args.StudyInstanceUid, args.SeriesInstanceUid, args.SopInstanceUid, args.FrameNumber - 1); return(new ImageServerFramePixelData(result)); } catch (Exception e) { throw TranslateStreamingException(e); } }
public IFramePixelData LoadFramePixelData(LoadFramePixelDataArgs args) { try { var uri = new Uri(string.Format(StreamingSettings.Default.FormatWadoUriPrefix, _hostName, _wadoServicePort)); var client = new StreamingClient(uri); var result = client.RetrievePixelData(_aeTitle, args.StudyInstanceUid, args.SeriesInstanceUid, args.SopInstanceUid, args.FrameNumber - 1); return(new ImageServerFramePixelData(result)); } catch (Exception e) { throw TranslateStreamingException(e); } }
private RetrievePixelDataResult TryClientRetrievePixelData(out Exception lastRetrieveException) { // retry parameters const int maxRetryCount = 10; const int retryTimeout = 1500; int retryDelay = 50; int retryCounter = 0; StreamingClient client = new StreamingClient(this.BaseUrl); RetrievePixelDataResult result = null; lastRetrieveException = null; CodeClock timeoutClock = new CodeClock(); timeoutClock.Start(); while (true) { try { if (retryCounter > 0) { Platform.Log(LogLevel.Info, "Retrying retrieve pixel data for Sop '{0}' (Attempt #{1})", this.SopInstanceUid, retryCounter); } CodeClock statsClock = new CodeClock(); statsClock.Start(); result = client.RetrievePixelData(this.AETitle, this.StudyInstanceUid, this.SeriesInstanceUid, this.SopInstanceUid, this.FrameNumber - 1); statsClock.Stop(); Platform.Log(LogLevel.Debug, "[Retrieve Info] Sop/Frame: {0}/{1}, Transfer Syntax: {2}, Bytes transferred: {3}, Elapsed (s): {4}, Retries: {5}", this.SopInstanceUid, this.FrameNumber, this.TransferSyntaxUid, result.MetaData.ContentLength, statsClock.Seconds, retryCounter); break; } catch (Exception ex) { lastRetrieveException = ex; timeoutClock.Stop(); if (timeoutClock.Seconds * 1000 >= retryTimeout || retryCounter >= maxRetryCount) { // log an alert that we are aborting (exception trace at debug level only) int elapsed = (int)(1000 * timeoutClock.Seconds); Platform.Log(LogLevel.Warn, "Failed to retrieve pixel data for Sop '{0}'; Aborting after {1} attempts in {2} ms", this.SopInstanceUid, retryCounter, elapsed); Platform.Log(LogLevel.Debug, ex, "[Retrieve Fail-Abort] Sop/Frame: {0}/{1}, Retry Attempts: {2}, Elapsed: {3} ms", this.SopInstanceUid, this.FrameNumber - 1, retryCounter, elapsed); break; } timeoutClock.Start(); retryCounter++; // log the retry (exception trace at debug level only) Platform.Log(LogLevel.Warn, "Failed to retrieve pixel data for Sop '{0}'; Retrying in {1} ms", this.SopInstanceUid, retryDelay); Platform.Log(LogLevel.Debug, ex, "[Retrieve Fail-Retry] Sop/Frame: {0}/{1}, Retry in: {2} ms", this.SopInstanceUid, this.FrameNumber - 1, retryDelay); MemoryManager.Collect(retryDelay); retryDelay *= 2; if (retryDelay > MaxRetryDelay) { retryDelay = MaxRetryDelay; // cap it to avoid overflow, which will cause exception when calling MemoryManager.Collect() } } } return(result); }
static void Main(string[] args) { //get server details from args _cmdLine = new TestStreamingClientCommandLine(); try { _cmdLine.Parse(args); //perform query for studies; maybe optional search parameters in xml? _studies = new List <StudyInfo>(); Console.WriteLine("Querying for study list from AE: {0} (Host: {1} / Port: {2})", _cmdLine.AeTitle, _cmdLine.Host, _cmdLine.DicomServicePort); CFindSCU cfind = new CFindSCU(); cfind.AETitle = "TESTSTREAM"; cfind.OnResultReceive += new CFindSCU.ResultReceivedHandler(cfind_OnResultReceive); cfind.OnQueryCompleted += new CFindSCU.QueryCompletedHandler(cfind_OnQueryCompleted); cfind.Query(_cmdLine.AeTitle, _cmdLine.Host, _cmdLine.DicomServicePort); _waitHandle.WaitOne(); if (_studies != null && _studies.Count > 0) { foreach (StudyInfo s in _studies) { //iterate through in thread: // fetching header // fetching each sop // log after each sop Console.WriteLine("Retrieving header for Study: {0}", s.StudyUid); XmlDocument doc = RetrieveHeaderXml(s.StudyUid); Uri uri = new Uri(String.Format("http://{0}:{1}/WADO", _cmdLine.Host, _cmdLine.WadoServicePort)); StreamingClient client = new StreamingClient(uri); byte[] pixelData; Console.WriteLine("Streaming images for Study: {0}", s.StudyUid); StudyXml studyXml = new StudyXml(s.StudyUid); studyXml.SetMemento(doc); foreach (SeriesXml seriesXml in studyXml) { foreach (InstanceXml instanceXml in seriesXml) { pixelData = client.RetrievePixelData( _cmdLine.AeTitle, s.StudyUid, seriesXml.SeriesInstanceUid, instanceXml.SopInstanceUid, 0).GetPixelData(); } } } } } catch (CommandLineException e) { Console.WriteLine(e.Message); _cmdLine.PrintUsage(Console.Out); } }
private static void RetrieveImages(string serverAE, string studyPath) { Console.WriteLine("server={0}", serverAE); string baseUri = String.Format("http://{0}:{1}", serverHost, serverPort); StreamingClient client = new StreamingClient(new Uri(baseUri)); int totalFrameCount = 0; DirectoryInfo directoryInfo = new DirectoryInfo(studyPath); string studyUid = directoryInfo.Name; RateStatistics frameRate = new RateStatistics("Speed", "frame"); RateStatistics speed = new RateStatistics("Speed", RateType.BYTES); AverageRateStatistics averageSpeed = new AverageRateStatistics(RateType.BYTES); ByteCountStatistics totalSize = new ByteCountStatistics("Size"); frameRate.Start(); speed.Start(); Console.WriteLine("\n------------------------------------------------------------------------------------------------------------------------"); string[] seriesDirs = Directory.GetDirectories(studyPath); foreach (string seriesPath in seriesDirs) { DirectoryInfo dirInfo = new DirectoryInfo(seriesPath); string seriesUid = dirInfo.Name; string[] objectUidPath = Directory.GetFiles(seriesPath, "*.dcm"); foreach (string uidPath in objectUidPath) { FileInfo fileInfo = new FileInfo(uidPath); string uid = fileInfo.Name.Replace(".dcm", ""); Console.Write("{0,-64}... ", uid); try { Stream imageStream; StreamingResultMetaData imageMetaData; FrameStreamingResultMetaData frameMetaData; switch (type) { case ContentTypes.Dicom: imageStream = client.RetrieveImage(serverAE, studyUid, seriesUid, uid, out imageMetaData); totalFrameCount++; averageSpeed.AddSample(imageMetaData.Speed); totalSize.Value += (ulong)imageMetaData.ContentLength; Console.WriteLine("1 dicom sop [{0,10}] in {1,12}\t[mime={2}]", ByteCountFormatter.Format((ulong)imageStream.Length), TimeSpanFormatter.Format(imageMetaData.Speed.ElapsedTime), imageMetaData.ResponseMimeType); break; case ContentTypes.RawPixel: TimeSpanStatistics elapsedTime = new TimeSpanStatistics(); elapsedTime.Start(); ulong instanceSize = 0; int frameCount = 0; do { RetrievePixelDataResult result = client.RetrievePixelData(serverAE, studyUid, seriesUid, uid, frameCount); frameMetaData = result.MetaData; totalFrameCount++; frameCount++; averageSpeed.AddSample(frameMetaData.Speed); totalSize.Value += (ulong)frameMetaData.ContentLength; instanceSize += (ulong)frameMetaData.ContentLength; } while (!frameMetaData.IsLast); elapsedTime.End(); Console.WriteLine("{0,3} frame(s) [{1,10}] in {2,12}\t[mime={3}]", frameCount, ByteCountFormatter.Format(instanceSize), elapsedTime.FormattedValue, frameMetaData.ResponseMimeType); break; default: imageStream = client.RetrieveImage(serverAE, studyUid, seriesUid, uid, out imageMetaData); totalFrameCount++; averageSpeed.AddSample(imageMetaData.Speed); totalSize.Value += (ulong)imageMetaData.ContentLength; Console.WriteLine("1 object [{0,10}] in {1,12}\t[mime={2}]", ByteCountFormatter.Format((ulong)imageStream.Length), TimeSpanFormatter.Format(imageMetaData.Speed.ElapsedTime), imageMetaData.ResponseMimeType); break; } } catch (Exception ex) { if (ex is WebException) { HttpWebResponse rsp = ((ex as WebException).Response as HttpWebResponse); string msg = String.Format("Error: {0} : {1}", rsp.StatusCode, HttpUtility.HtmlDecode(rsp.StatusDescription) ); Console.WriteLine(msg); } else { Console.WriteLine(ex.Message); } } } } frameRate.SetData(totalFrameCount); frameRate.End(); speed.SetData(totalSize.Value); speed.End(); Console.WriteLine("\nTotal {0,3} image(s)/frame(s) [{1,10}] in {2,12} ==> [ Speed: {3,12} or {4,12}]", totalFrameCount, totalSize.FormattedValue, TimeSpanFormatter.Format(frameRate.ElapsedTime), frameRate.FormattedValue, speed.FormattedValue ); }