protected override void OnExecute(CommandProcessor theProcessor)
{
Platform.CheckForNullReference(Context, "Context");
Platform.CheckForNullReference(Context.ReconcileWorkQueueData, "Context.ReconcileWorkQueueData");
foreach (WorkQueueUid uid in Context.WorkQueueUidList)
{
string imagePath = GetReconcileUidPath(uid);
try
{
using (var processor = new ServerCommandProcessor(String.Format("Deleting {0}", uid.SopInstanceUid)))
{
var deleteFile = new FileDeleteCommand(imagePath, true);
var deleteUid = new DeleteWorkQueueUidCommand(uid);
processor.AddCommand(deleteFile);
processor.AddCommand(deleteUid);
Platform.Log(ServerPlatform.InstanceLogLevel, deleteFile.ToString());
if (!processor.Execute())
{
throw new Exception(String.Format("Unable to discard image {0}", uid.SopInstanceUid));
}
}
}
catch (Exception e)
{
Platform.Log(LogLevel.Error, e, "Unexpected exception discarding file: {0}", imagePath);
SopInstanceProcessor.FailUid(uid, true);
}
}
}
/// <summary>
/// Do the actual rebuild. On error, will attempt to reprocess the study.
/// </summary>
public void RebuildXml()
{
string rootStudyPath = _location.GetStudyPath();
try
{
using (ServerCommandProcessor processor = new ServerCommandProcessor("Rebuild XML"))
{
var command = new RebuildStudyXmlCommand(_location.StudyInstanceUid, rootStudyPath);
processor.AddCommand(command);
var updateCommand = new UpdateStudySizeInDBCommand(_location, command);
processor.AddCommand(updateCommand);
if (!processor.Execute())
{
throw new ApplicationException(processor.FailureReason, processor.FailureException);
}
Study theStudy = _location.Study;
if (theStudy.NumberOfStudyRelatedInstances != command.StudyXml.NumberOfStudyRelatedInstances)
{
// We rebuilt, but the counts don't match.
throw new StudyIntegrityValidationFailure(ValidationErrors.InconsistentObjectCount,
new ValidationStudyInfo(theStudy,
_location.ServerPartition),
string.Format(
"Database study count {0} does not match study xml {1}",
theStudy.NumberOfStudyRelatedInstances,
command.StudyXml.NumberOfStudyRelatedInstances));
}
Platform.Log(LogLevel.Info, "Completed reprocessing Study XML file for study {0}", _location.StudyInstanceUid);
}
}
catch (Exception e)
{
Platform.Log(LogLevel.Error, e, "Unexpected error when rebuilding study XML for directory: {0}",
_location.FilesystemPath);
StudyReprocessor reprocessor = new StudyReprocessor();
try
{
WorkQueue reprocessEntry = reprocessor.ReprocessStudy("Rebuild StudyXml", _location, Platform.Time);
if (reprocessEntry != null)
{
Platform.Log(LogLevel.Error, "Failure attempting to reprocess study: {0}",
_location.StudyInstanceUid);
}
else
Platform.Log(LogLevel.Error, "Inserted reprocess request for study: {0}",
_location.StudyInstanceUid);
}
catch(InvalidStudyStateOperationException ex)
{
Platform.Log(LogLevel.Error, "Failure attempting to reprocess study {0}: {1}",
_location.StudyInstanceUid, ex.Message);
}
}
}
/// <summary>
/// Apply the Rules engine.
/// </summary>
/// <remarks>
/// <para>
/// This method applies the rules engine to the first image in each series within a study.
/// The assumption is that the actions generated by the engine can handle being applied more
/// than once for the same study. This is also done to handle the case of multi-modality
/// studies where you may want the rules to be run against each series, because they may
/// apply differently.
/// </para>
/// <para>
/// Note that we are still applying series level moves, although there currently are not
/// any series level rules. We've somewhat turned the study level rules into series
/// level rules.
/// </para>
/// </remarks>
public void Apply(ServerRuleApplyTimeEnum applyTime)
{
using(var theProcessor = new ServerCommandProcessor("Study Rule Processor"))
{
Apply(applyTime, theProcessor);
if (false == theProcessor.Execute())
{
Platform.Log(LogLevel.Error,
"Unexpected failure processing Study level rules for study {0} on partition {1} for {2} apply time",
_location.StudyInstanceUid, _partition.Description, applyTime.Description);
}
}
}
private DicomProcessingResult HandleDuplicate(string sopInstanceUid, StudyStorageLocation studyLocation, ServerCommandProcessor commandProcessor, DicomFile file)
{
Study study = studyLocation.Study ??
studyLocation.LoadStudy(ServerExecutionContext.Current.PersistenceContext);
if (study != null)
Platform.Log(LogLevel.Info, "Received duplicate SOP {0} (A#:{1} StudyUid:{2} Patient: {3} ID:{4})",
sopInstanceUid,
study.AccessionNumber, study.StudyInstanceUid,
study.PatientsName, study.PatientId);
else
Platform.Log(LogLevel.Info,
"Received duplicate SOP {0} (StudyUid:{1}). Existing files haven't been processed.",
sopInstanceUid, studyLocation.StudyInstanceUid);
SopProcessingContext sopProcessingContext = new SopProcessingContext(commandProcessor, studyLocation, _context.ContextID);
DicomProcessingResult result = DuplicateSopProcessorHelper.Process(sopProcessingContext, file);
return result;
}
private void ProcessUid(WorkQueueUid uid)
{
Platform.CheckForNullReference(uid, "uid");
string imagePath = GetUidPath(uid);
using (ServerCommandProcessor processor = new ServerCommandProcessor(String.Format("Deleting {0}", uid.SopInstanceUid)))
{
// If the file for some reason doesn't exist, we just ignore it
if (File.Exists(imagePath))
{
Platform.Log(ServerPlatform.InstanceLogLevel, "Deleting {0}", imagePath);
FileDeleteCommand deleteFile = new FileDeleteCommand(imagePath, true);
processor.AddCommand(deleteFile);
}
else
{
Platform.Log(LogLevel.Warn, "WARNING {0} is missing.", imagePath);
}
DeleteWorkQueueUidCommand deleteUid = new DeleteWorkQueueUidCommand(uid);
processor.AddCommand(deleteUid);
if (!processor.Execute())
{
throw new Exception(String.Format("Unable to delete image {0}", uid.SopInstanceUid));
}
}
}
private void InsertInstance(DicomFile file)
{
StudyStorageLocation location;
string studyInstanceUid = file.DataSet[DicomTags.StudyInstanceUid].ToString();
string studyDate = file.DataSet[DicomTags.StudyDate].ToString();
using (IUpdateContext context = PersistentStoreRegistry.GetDefaultStore().OpenUpdateContext(UpdateContextSyncMode.Flush))
{
bool created;
location = FilesystemMonitor.Instance.GetOrCreateWritableStudyStorageLocation(studyInstanceUid,
studyDate,
TransferSyntax.ExplicitVrLittleEndian, context,
_partition,
out created);
context.Commit();
}
using (ServerCommandProcessor processor = new ServerCommandProcessor("Processing WorkQueue DICOM file"))
{
try
{
// Insert into the database, but only if its not a duplicate so the counts don't get off
InsertInstanceCommand insertInstanceCommand = new InsertInstanceCommand(file, location);
processor.AddCommand(insertInstanceCommand);
// Do the actual processing
if (!processor.Execute())
{
Platform.Log(LogLevel.Error, "Failure processing command {0} for SOP: {1}", processor.Description, file.MediaStorageSopInstanceUid);
Platform.Log(LogLevel.Error, "File that failed processing: {0}", file.Filename);
throw new ApplicationException("Unexpected failure (" + processor.FailureReason + ") executing command for SOP: " + file.MediaStorageSopInstanceUid, processor.FailureException);
}
}
catch (Exception e)
{
Platform.Log(LogLevel.Error, e, "Unexpected exception when {0}. Rolling back operation.",
processor.Description);
processor.Rollback();
throw new ApplicationException("Unexpected exception when processing file.", e);
}
}
}
private static void UpdateNameBasedOnRules(DicomFile file)
{
string orginalPatientsNameInFile = file.DataSet[DicomTags.PatientsName].ToString();
if (String.IsNullOrEmpty(orginalPatientsNameInFile))
return;
using (ServerCommandProcessor processor = new ServerCommandProcessor("Update Patient's Name"))
{
string normPatName = GetAcceptableName(orginalPatientsNameInFile);
if (!orginalPatientsNameInFile.Equals(normPatName, StringComparison.InvariantCultureIgnoreCase))
{
processor.AddCommand(new SetTagCommand(file, DicomTags.PatientsName, orginalPatientsNameInFile, normPatName));
if (!processor.Execute())
{
throw new ApplicationException(String.Format("AUTO-CORRECTION Failed: Unable to correct the patient's name in the image. Reason: {0}",
processor.FailureReason), processor.FailureException);
}
}
}
return;
}
/// <summary>
/// Migrates the study to new tier
/// </summary>
/// <param name="storage"></param>
/// <param name="newFilesystem"></param>
private void DoMigrateStudy(StudyStorageLocation storage, ServerFilesystemInfo newFilesystem)
{
Platform.CheckForNullReference(storage, "storage");
Platform.CheckForNullReference(newFilesystem, "newFilesystem");
TierMigrationStatistics stat = new TierMigrationStatistics {StudyInstanceUid = storage.StudyInstanceUid};
stat.ProcessSpeed.Start();
StudyXml studyXml = storage.LoadStudyXml();
stat.StudySize = (ulong) studyXml.GetStudySize();
Platform.Log(LogLevel.Info, "About to migrate study {0} from {1} to {2}",
storage.StudyInstanceUid, storage.FilesystemTierEnum, newFilesystem.Filesystem.Description);
string newPath = Path.Combine(newFilesystem.Filesystem.FilesystemPath, storage.PartitionFolder);
DateTime startTime = Platform.Time;
DateTime lastLog = Platform.Time;
int fileCounter = 0;
ulong bytesCopied = 0;
long instanceCountInXml = studyXml.NumberOfStudyRelatedInstances;
using (ServerCommandProcessor processor = new ServerCommandProcessor("Migrate Study"))
{
TierMigrationContext context = new TierMigrationContext
{
OriginalStudyLocation = storage,
Destination = newFilesystem
};
string origFolder = context.OriginalStudyLocation.GetStudyPath();
processor.AddCommand(new CreateDirectoryCommand(newPath));
newPath = Path.Combine(newPath, context.OriginalStudyLocation.StudyFolder);
processor.AddCommand(new CreateDirectoryCommand(newPath));
newPath = Path.Combine(newPath, context.OriginalStudyLocation.StudyInstanceUid);
// don't create this directory so that it won't be backed up by MoveDirectoryCommand
CopyDirectoryCommand copyDirCommand = new CopyDirectoryCommand(origFolder, newPath,
delegate (string path)
{
// Update the progress. This is useful if the migration takes long time to complete.
FileInfo file = new FileInfo(path);
bytesCopied += (ulong)file.Length;
fileCounter++;
if (file.Extension != null && file.Extension.Equals(ServerPlatform.DicomFileExtension, StringComparison.InvariantCultureIgnoreCase))
{
TimeSpan elapsed = Platform.Time - lastLog;
TimeSpan totalElapsed = Platform.Time - startTime;
double speedInMBPerSecond = 0;
if (totalElapsed.TotalSeconds > 0)
{
speedInMBPerSecond = (bytesCopied / 1024f / 1024f) / totalElapsed.TotalSeconds;
}
if (elapsed > TimeSpan.FromSeconds(WorkQueueSettings.Instance.TierMigrationProgressUpdateInSeconds))
{
#region Log Progress
StringBuilder stats = new StringBuilder();
if (instanceCountInXml != 0)
{
float pct = (float)fileCounter / instanceCountInXml;
stats.AppendFormat("{0} files moved [{1:0.0}MB] since {2} ({3:0}% completed). Speed={4:0.00}MB/s",
fileCounter, bytesCopied / 1024f / 1024f, startTime, pct * 100, speedInMBPerSecond);
}
else
{
stats.AppendFormat("{0} files moved [{1:0.0}MB] since {2}. Speed={3:0.00}MB/s",
fileCounter, bytesCopied / 1024f / 1024f, startTime, speedInMBPerSecond);
}
Platform.Log(LogLevel.Info, "Tier migration for study {0}: {1}", storage.StudyInstanceUid, stats.ToString());
try
{
using (IUpdateContext ctx = PersistentStoreRegistry.GetDefaultStore().OpenUpdateContext(UpdateContextSyncMode.Flush))
{
IWorkQueueEntityBroker broker = ctx.GetBroker<IWorkQueueEntityBroker>();
WorkQueueUpdateColumns parameters = new WorkQueueUpdateColumns
{FailureDescription = stats.ToString()};
broker.Update(WorkQueueItem.GetKey(), parameters);
ctx.Commit();
}
}
catch
{
// can't log the progress so far... just ignore it
}
finally
{
lastLog = DateTime.Now;
}
#endregion
}
}
});
processor.AddCommand(copyDirCommand);
DeleteDirectoryCommand delDirCommand = new DeleteDirectoryCommand(origFolder, false)
{RequiresRollback = false};
processor.AddCommand(delDirCommand);
TierMigrateDatabaseUpdateCommand updateDbCommand = new TierMigrateDatabaseUpdateCommand(context);
processor.AddCommand(updateDbCommand);
Platform.Log(LogLevel.Info, "Start migrating study {0}.. expecting {1} to be moved", storage.StudyInstanceUid, ByteCountFormatter.Format(stat.StudySize));
if (!processor.Execute())
{
if (processor.FailureException != null)
throw processor.FailureException;
throw new ApplicationException(processor.FailureReason);
}
stat.DBUpdate = updateDbCommand.Statistics;
stat.CopyFiles = copyDirCommand.CopySpeed;
stat.DeleteDirTime = delDirCommand.Statistics;
}
stat.ProcessSpeed.SetData(bytesCopied);
stat.ProcessSpeed.End();
Platform.Log(LogLevel.Info, "Successfully migrated study {0} from {1} to {2} in {3} [ {4} files, {5} @ {6}, DB Update={7}, Remove Dir={8}]",
storage.StudyInstanceUid,
storage.FilesystemTierEnum,
newFilesystem.Filesystem.FilesystemTierEnum,
TimeSpanFormatter.Format(stat.ProcessSpeed.ElapsedTime),
fileCounter,
ByteCountFormatter.Format(bytesCopied),
stat.CopyFiles.FormattedValue,
stat.DBUpdate.FormattedValue,
stat.DeleteDirTime.FormattedValue);
string originalPath = storage.GetStudyPath();
if (Directory.Exists(storage.GetStudyPath()))
{
Platform.Log(LogLevel.Info, "Original study folder could not be deleted. It must be cleaned up manually: {0}", originalPath);
ServerPlatform.Alert(AlertCategory.Application, AlertLevel.Warning, WorkQueueItem.WorkQueueTypeEnum.ToString(), 1000, GetWorkQueueContextData(WorkQueueItem), TimeSpan.Zero,
"Study has been migrated to a new tier. Original study folder must be cleaned up manually: {0}", originalPath);
}
UpdateAverageStatistics(stat);
}
private static void UpdateImage(DicomFile file, IEnumerable<BaseImageLevelUpdateCommand> commands)
{
using (ServerCommandProcessor processor = new ServerCommandProcessor("Update Image According to History"))
{
foreach (BaseImageLevelUpdateCommand cmd in commands)
{
cmd.File = file;
processor.AddCommand(cmd);
}
if (!processor.Execute())
{
throw new ApplicationException(String.Format("AUTO-RECONCILE Failed: Unable to update image to match target study. Reason: {0}", processor.FailureReason), processor.FailureException);
}
}
}
/// <summary>
/// Move the file specified in the path to the incoming folder so that it will be imported again
/// </summary>
/// <param name="path"></param>
private void MoveFileToIncomingFolder(string path)
{
Platform.Log(LogLevel.Debug, "Moving file {0} to incoming folder", path);
// should not proceed because it may mean incomplete study
if (!File.Exists(path))
throw new FileNotFoundException(string.Format("File is missing: {0}", path));
// move the file to the Incoming folder to reprocess
using (var processor = new ServerCommandProcessor("Move file back to incoming folder"))
{
var fileInfo = new FileInfo(path);
const string folder = "FromWorkQueue";
var incomingPath = GetServerPartitionIncomingFolder();
incomingPath = Path.Combine(incomingPath, "FromWorkQueue");
incomingPath = Path.Combine(incomingPath, StorageLocation.StudyInstanceUid);
var createDirCommand = new CreateDirectoryCommand(incomingPath);
processor.AddCommand(createDirCommand);
incomingPath = Path.Combine(incomingPath, fileInfo.Name);
var move = new RenameFileCommand(path, incomingPath, true);
processor.AddCommand(move);
if (!processor.Execute())
{
throw new Exception("Unexpected error happened when trying to move file back to the incoming folder for reprocess", processor.FailureException);
}
Platform.Log(LogLevel.Info, "File {0} has been moved to the incoming folder.", path);
}
}
private void RemoveExistingImage(WorkQueueUid uid)
{
string path = StorageLocation.GetSopInstancePath(uid.SeriesInstanceUid, uid.SopInstanceUid);
if (!File.Exists(path))
return;
StudyXml studyXml = StorageLocation.LoadStudyXml();
DicomFile file = new DicomFile(path);
file.Load(DicomReadOptions.DoNotStorePixelDataInDataSet | DicomReadOptions.Default); // don't need to load pixel data cause we will delete it
#if DEBUG
int originalInstanceCountInXml = studyXml.NumberOfStudyRelatedInstances;
int originalStudyInstanceCount = Study.NumberOfStudyRelatedInstances;
int originalSeriesInstanceCount = Study.Series[uid.SeriesInstanceUid].NumberOfSeriesRelatedInstances;
#endif
using (ServerCommandProcessor processor = new ServerCommandProcessor("Delete Existing Image"))
{
processor.AddCommand(new FileDeleteCommand(path,true));
processor.AddCommand(new RemoveInstanceFromStudyXmlCommand(StorageLocation, studyXml, file));
processor.AddCommand(new UpdateInstanceCountCommand(StorageLocation, file));
if (!processor.Execute())
{
throw new ApplicationException(String.Format("Unable to remove existing image {0}", file.Filename), processor.FailureException);
}
}
#if DEBUG
Debug.Assert(!File.Exists(path));
Debug.Assert(studyXml.NumberOfStudyRelatedInstances == originalInstanceCountInXml - 1);
Debug.Assert(Study.Load(Study.Key).NumberOfStudyRelatedInstances == originalStudyInstanceCount - 1);
Debug.Assert(Study.Load(Study.Key).Series[uid.SeriesInstanceUid].NumberOfSeriesRelatedInstances == originalSeriesInstanceCount - 1);
#endif
}
protected void RemoveFilesystem()
{
string path = StorageLocation.GetStudyPath();
using(var processor = new ServerCommandProcessor("Delete Filesystems Processor"))
{
processor.AddCommand(new DeleteDirectoryCommand(path, true));
if (_relatedDirectories!=null)
{
foreach (DirectoryInfo dir in _relatedDirectories)
{
processor.AddCommand(new DeleteDirectoryCommand(dir.FullName, true) { Log = true });
}
}
if (!processor.Execute())
{
throw new ApplicationException(
String.Format("Unexpected error when deleting study folders: {0}", processor.FailureReason),
processor.FailureException);
}
}
DirectoryUtility.DeleteIfEmpty(Path.GetDirectoryName(path));
}
protected void ProcessFile(Model.WorkQueue item, WorkQueueUid sop, string path, StudyXml studyXml, IDicomCodecFactory theCodecFactory)
{
DicomFile file;
_instanceStats = new CompressInstanceStatistics();
_instanceStats.ProcessTime.Start();
// Use the command processor for rollback capabilities.
using (ServerCommandProcessor processor = new ServerCommandProcessor("Processing WorkQueue Compress DICOM File"))
{
string modality = String.Empty;
try
{
file = new DicomFile(path);
_instanceStats.FileLoadTime.Start();
file.Load(DicomReadOptions.StorePixelDataReferences | DicomReadOptions.Default);
_instanceStats.FileLoadTime.End();
modality = file.DataSet[DicomTags.Modality].GetString(0, String.Empty);
FileInfo fileInfo = new FileInfo(path);
_instanceStats.FileSize = (ulong)fileInfo.Length;
// Get the Patients Name for processing purposes.
String patientsName = file.DataSet[DicomTags.PatientsName].GetString(0, "");
if (file.TransferSyntax.Equals(theCodecFactory.CodecTransferSyntax))
{
// Delete the WorkQueueUid item
processor.AddCommand(new DeleteWorkQueueUidCommand(sop));
// Do the actual processing
if (!processor.Execute())
{
Platform.Log(LogLevel.Warn, "Failure deleteing WorkQueueUid: {0} for SOP: {1}", processor.Description, file.MediaStorageSopInstanceUid);
Platform.Log(LogLevel.Warn, "Compression file that failed: {0}", file.Filename);
}
else
{
Platform.Log(LogLevel.Warn, "Skip compressing SOP {0}. Its current transfer syntax is {1}",
file.MediaStorageSopInstanceUid, file.TransferSyntax.Name);
}
}
else
{
IDicomCodec codec = theCodecFactory.GetDicomCodec();
// Create a context for applying actions from the rules engine
var context = new ServerActionContext(file, StorageLocation.FilesystemKey, ServerPartition, item.StudyStorageKey);
context.CommandProcessor = processor;
var parms = theCodecFactory.GetCodecParameters(item.Data);
var compressCommand =
new DicomCompressCommand(context.Message, theCodecFactory.CodecTransferSyntax, codec, parms);
processor.AddCommand(compressCommand);
var save = new SaveDicomFileCommand(file.Filename, file, false);
processor.AddCommand(save);
// Update the StudyStream object, must be done after compression
// and after the compressed image has been successfully saved
var insertStudyXmlCommand = new UpdateStudyXmlCommand(file, studyXml, StorageLocation);
processor.AddCommand(insertStudyXmlCommand);
// Delete the WorkQueueUid item
processor.AddCommand(new DeleteWorkQueueUidCommand(sop));
// Do the actual processing
if (!processor.Execute())
{
_instanceStats.CompressTime.Add(compressCommand.CompressTime);
Platform.Log(LogLevel.Error, "Failure compressing command {0} for SOP: {1}", processor.Description, file.MediaStorageSopInstanceUid);
Platform.Log(LogLevel.Error, "Compression file that failed: {0}", file.Filename);
throw new ApplicationException("Unexpected failure (" + processor.FailureReason + ") executing command for SOP: " + file.MediaStorageSopInstanceUid,processor.FailureException);
}
_instanceStats.CompressTime.Add(compressCommand.CompressTime);
Platform.Log(ServerPlatform.InstanceLogLevel, "Compress SOP: {0} for Patient {1}", file.MediaStorageSopInstanceUid,
patientsName);
}
}
catch (Exception e)
{
Platform.Log(LogLevel.Error, e, "Unexpected exception when {0}. Rolling back operation.",
processor.Description);
processor.Rollback();
throw;
}
finally
{
_instanceStats.ProcessTime.End();
_studyStats.AddSubStats(_instanceStats);
_studyStats.StudyInstanceUid = StorageLocation.StudyInstanceUid;
if (String.IsNullOrEmpty(modality) == false)
_studyStats.Modality = modality;
// Update the statistics
_studyStats.NumInstances++;
}
}
}
/// <summary>
/// Creates an instance of <see cref="SopProcessingContext"/>
/// </summary>
/// <param name="commandProcessor">The <see cref="ServerCommandProcessor"/> used in the context</param>
/// <param name="studyLocation">The <see cref="StudyStorageLocation"/> of the study being processed</param>
/// <param name="uidGroup">A String value respresenting the group of SOP instances which are being processed.</param>
public SopProcessingContext(ServerCommandProcessor commandProcessor, StudyStorageLocation studyLocation, string uidGroup)
{
_commandProcessor = commandProcessor;
_studyLocation = studyLocation;
_group = uidGroup;
}
/// <summary>
/// Create Duplicate SIQ Entry
/// </summary>
/// <param name="file"></param>
/// <param name="location"></param>
/// <param name="sourcePath"></param>
/// <param name="queue"></param>
/// <param name="uid"></param>
public static void CreateDuplicateSIQEntry(DicomFile file, StudyStorageLocation location, string sourcePath, WorkQueue queue, WorkQueueUid uid)
{
Platform.Log(LogLevel.Info, "Creating Work Queue Entry for duplicate...");
String uidGroup = queue.GroupID ?? queue.GetKey().Key.ToString();
using (var commandProcessor = new ServerCommandProcessor("Insert Work Queue entry for duplicate"))
{
commandProcessor.AddCommand(new FileDeleteCommand(sourcePath, true));
var sopProcessingContext = new SopProcessingContext(commandProcessor, location, uidGroup);
DicomProcessingResult result = Process(sopProcessingContext, file);
if (!result.Successful)
{
FailUid(uid, true);
return;
}
commandProcessor.AddCommand(new DeleteWorkQueueUidCommand(uid));
if (!commandProcessor.Execute())
{
Platform.Log(LogLevel.Error, "Unexpected error when creating duplicate study integrity queue entry: {0}", commandProcessor.FailureReason);
FailUid(uid, true);
}
}
}
private void SaveFile(DicomFile file)
{
String seriesInstanceUid = file.DataSet[DicomTags.SeriesInstanceUid].GetString(0, String.Empty);
String sopInstanceUid = file.DataSet[DicomTags.SopInstanceUid].GetString(0, String.Empty);
String destPath = _oldStudyLocation.FilesystemPath;
using (ServerCommandProcessor filesystemUpdateProcessor = new ServerCommandProcessor("Update Study"))
{
filesystemUpdateProcessor.AddCommand(new CreateDirectoryCommand(destPath));
destPath = Path.Combine(destPath, _partition.PartitionFolder);
filesystemUpdateProcessor.AddCommand(new CreateDirectoryCommand(destPath));
destPath = Path.Combine(destPath, _oldStudyFolder);
filesystemUpdateProcessor.AddCommand(new CreateDirectoryCommand(destPath));
destPath = Path.Combine(destPath, _newStudyInstanceUid);
filesystemUpdateProcessor.AddCommand(new CreateDirectoryCommand(destPath));
destPath = Path.Combine(destPath, seriesInstanceUid);
filesystemUpdateProcessor.AddCommand(new CreateDirectoryCommand(destPath));
destPath = Path.Combine(destPath, sopInstanceUid);
destPath += ServerPlatform.DicomFileExtension;
// Overwrite the prior file
SaveDicomFileCommand saveCommand = new SaveDicomFileCommand(destPath, file, false);
filesystemUpdateProcessor.AddCommand(saveCommand);
if (_rulesEngine != null)
{
ServerActionContext context = new ServerActionContext(file, _oldStudyLocation.FilesystemKey, _partition, _oldStudyLocation.Key)
{CommandProcessor = filesystemUpdateProcessor};
_rulesEngine.Execute(context);
}
if (!filesystemUpdateProcessor.Execute())
{
throw new ApplicationException(String.Format("Unable to update image {0} : {1}", file.Filename, filesystemUpdateProcessor.FailureReason));
}
}
}
private void UpdateStudyOrDuplicates()
{
// StorageLocation object must be reloaded if we are overwriting the study
// with info in the duplicates.
bool needReload = false;
switch (_processDuplicateEntry.QueueData.Action)
{
case ProcessDuplicateAction.OverwriteUseDuplicates:
if (_processDuplicateEntry.QueueData.State.ExistingStudyUpdated)
Platform.Log(LogLevel.Info, "Existing Study has been updated before");
else
{
Platform.Log(LogLevel.Info, "Update Existing Study w/ Duplicate Info");
_studyUpdateCommands = BuildUpdateStudyCommandsFromDuplicate();
using (ServerCommandProcessor processor = new ServerCommandProcessor("Update Existing Study w/ Duplicate Info"))
{
processor.AddCommand(new UpdateStudyCommand(ServerPartition, StorageLocation, _studyUpdateCommands, ServerRuleApplyTimeEnum.SopProcessed));
if (!processor.Execute())
{
throw new ApplicationException(processor.FailureReason, processor.FailureException);
}
needReload = true;
_processDuplicateEntry.QueueData.State.ExistingStudyUpdated = true;
}
}
break;
case ProcessDuplicateAction.OverwriteUseExisting:
ImageUpdateCommandBuilder commandBuilder = new ImageUpdateCommandBuilder();
_duplicateUpdateCommands = new List<BaseImageLevelUpdateCommand>();
_duplicateUpdateCommands.AddRange(commandBuilder.BuildCommands<StudyMatchingMap>(StorageLocation));
PrintCommands(_duplicateUpdateCommands);
break;
}
if (needReload)
{
StudyStorageLocation updatedStorageLocation;
//NOTE: Make sure we are loading the storage location fro the database instead of the cache.
if (!FilesystemMonitor.Instance.GetWritableStudyStorageLocation(WorkQueueItem.StudyStorageKey, out updatedStorageLocation))
{
// this is odd.. we just updated it and now it's no longer writable?
throw new ApplicationException("Filesystem is not writable");
}
StorageLocation = updatedStorageLocation;
}
}
private bool UpdateNameBasedOnTheStudy(DicomFile file)
{
bool updated = false;
string orginalPatientsNameInFile = file.DataSet[DicomTags.PatientsName].ToString();
if (_theStudy==null)
{
return false;
}
StudyComparer comparer = new StudyComparer();
ServerPartition partition = ServerPartitionMonitor.Instance.FindPartition(_theStudy.ServerPartitionKey);
DifferenceCollection list = comparer.Compare(file, _theStudy, partition.GetComparisonOptions());
if (list.Count == 1)
{
ComparisionDifference different = list[0];
if (different.DicomTag.TagValue == DicomTags.PatientsName)
{
if (DicomNameUtils.LookLikeSameNames(orginalPatientsNameInFile, _theStudy.PatientsName))
{
using (ServerCommandProcessor processor = new ServerCommandProcessor("Update Patient's Name"))
{
SetTagCommand command = new SetTagCommand(file, DicomTags.PatientsName, orginalPatientsNameInFile, _theStudy.PatientsName);
processor.AddCommand(command);
if (!processor.Execute())
{
throw new ApplicationException(String.Format("AUTO-CORRECTION Failed: Unable to correct the patient's name in the image. Reason: {0}",
processor.FailureReason), processor.FailureException);
}
updated = true;
}
}
}
}
return updated;
}
private void DeleteDuplicate(WorkQueueUid uid)
{
using (ServerCommandProcessor processor = new ServerCommandProcessor("Delete Received Duplicate"))
{
FileInfo duplicateFile = GetDuplicateSopFile(uid);
processor.AddCommand(new FileDeleteCommand(duplicateFile.FullName,true));
processor.AddCommand(new DeleteWorkQueueUidCommand(uid));
if (!processor.Execute())
{
throw new ApplicationException(processor.FailureReason, processor.FailureException);
}
Platform.Log(ServerPlatform.InstanceLogLevel, "Discard duplicate SOP {0} in {1}", uid.SopInstanceUid, duplicateFile.FullName);
}
}
/// <summary>
/// Archive the specified <see cref="ArchiveQueue"/> item.
/// </summary>
/// <param name="queueItem">The ArchiveQueue item to archive.</param>
public void Run(ArchiveQueue queueItem)
{
using (ArchiveProcessorContext executionContext = new ArchiveProcessorContext(queueItem))
{
try
{
if (!GetStudyStorageLocation(queueItem))
{
Platform.Log(LogLevel.Error,
"Unable to find readable study storage location for archival queue request {0}. Delaying request.",
queueItem.Key);
queueItem.FailureDescription = "Unable to find readable study storage location for archival queue request.";
_hsmArchive.UpdateArchiveQueue(queueItem, ArchiveQueueStatusEnum.Pending, Platform.Time.AddMinutes(2));
return;
}
// First, check to see if we can lock the study, if not just reschedule the queue entry.
if (!_storageLocation.QueueStudyStateEnum.Equals(QueueStudyStateEnum.Idle))
{
Platform.Log(LogLevel.Info, "Study {0} on partition {1} is currently locked, delaying archival.", _storageLocation.StudyInstanceUid, _hsmArchive.ServerPartition.Description);
queueItem.FailureDescription = "Study is currently locked, delaying archival.";
_hsmArchive.UpdateArchiveQueue(queueItem, ArchiveQueueStatusEnum.Pending, Platform.Time.AddMinutes(2));
return;
}
StudyIntegrityValidator validator = new StudyIntegrityValidator();
validator.ValidateStudyState("Archive", _storageLocation, StudyIntegrityValidationModes.Default);
using (IUpdateContext update = PersistentStoreRegistry.GetDefaultStore().OpenUpdateContext(UpdateContextSyncMode.Flush))
{
ILockStudy studyLock = update.GetBroker<ILockStudy>();
LockStudyParameters parms = new LockStudyParameters
{
StudyStorageKey = queueItem.StudyStorageKey,
QueueStudyStateEnum = QueueStudyStateEnum.ArchiveScheduled
};
bool retVal = studyLock.Execute(parms);
if (!parms.Successful || !retVal)
{
Platform.Log(LogLevel.Info, "Study {0} on partition {1} failed to lock, delaying archival.", _storageLocation.StudyInstanceUid, _hsmArchive.ServerPartition.Description);
queueItem.FailureDescription = "Study failed to lock, delaying archival.";
_hsmArchive.UpdateArchiveQueue(queueItem, ArchiveQueueStatusEnum.Pending, Platform.Time.AddMinutes(2));
return;
}
update.Commit();
}
string studyFolder = _storageLocation.GetStudyPath();
string studyXmlFile = _storageLocation.GetStudyXmlPath();
// Load the study Xml file, this is used to generate the list of dicom files to archive.
LoadStudyXml(studyXmlFile);
DicomFile file = LoadFileFromStudyXml();
string patientsName = file.DataSet[DicomTags.PatientsName].GetString(0, string.Empty);
string patientId = file.DataSet[DicomTags.PatientId].GetString(0, string.Empty);
string accessionNumber = file.DataSet[DicomTags.AccessionNumber].GetString(0, string.Empty);
Platform.Log(LogLevel.Info,
"Starting archival of study {0} for Patient {1} (PatientId:{2} A#:{3}) on Partition {4} on archive {5}",
_storageLocation.StudyInstanceUid, patientsName, patientId,
accessionNumber, _hsmArchive.ServerPartition.Description,
_hsmArchive.PartitionArchive.Description);
// Use the command processor to do the archival.
using (ServerCommandProcessor commandProcessor = new ServerCommandProcessor("Archive"))
{
_archiveXml = new XmlDocument();
// Create the study date folder
string zipFilename = Path.Combine(_hsmArchive.HsmPath, _storageLocation.StudyFolder);
commandProcessor.AddCommand(new CreateDirectoryCommand(zipFilename));
// Create a folder for the study
zipFilename = Path.Combine(zipFilename, _storageLocation.StudyInstanceUid);
commandProcessor.AddCommand(new CreateDirectoryCommand(zipFilename));
// Save the archive data in the study folder, based on a filename with a date / time stamp
string filename = String.Format("{0}.zip", Platform.Time.ToString("yyyy-MM-dd-HHmm"));
zipFilename = Path.Combine(zipFilename, filename);
// Create the Xml data to store in the ArchiveStudyStorage table telling
// where the archived study is located.
XmlElement hsmArchiveElement = _archiveXml.CreateElement("HsmArchive");
_archiveXml.AppendChild(hsmArchiveElement);
XmlElement studyFolderElement = _archiveXml.CreateElement("StudyFolder");
hsmArchiveElement.AppendChild(studyFolderElement);
studyFolderElement.InnerText = _storageLocation.StudyFolder;
XmlElement filenameElement = _archiveXml.CreateElement("Filename");
hsmArchiveElement.AppendChild(filenameElement);
filenameElement.InnerText = filename;
XmlElement studyInstanceUidElement = _archiveXml.CreateElement("Uid");
hsmArchiveElement.AppendChild(studyInstanceUidElement);
studyInstanceUidElement.InnerText = _storageLocation.StudyInstanceUid;
// Create the Zip file
commandProcessor.AddCommand(
new CreateStudyZipCommand(zipFilename, _studyXml, studyFolder, executionContext.TempDirectory));
// Update the database.
commandProcessor.AddCommand(new InsertArchiveStudyStorageCommand(queueItem.StudyStorageKey, queueItem.PartitionArchiveKey, queueItem.GetKey(), _storageLocation.ServerTransferSyntaxKey, _archiveXml));
StudyRulesEngine studyEngine =
new StudyRulesEngine(_storageLocation, _hsmArchive.ServerPartition, _studyXml);
studyEngine.Apply(ServerRuleApplyTimeEnum.StudyArchived, commandProcessor);
if (!commandProcessor.Execute())
{
Platform.Log(LogLevel.Error,
"Unexpected failure archiving study ({0}) to archive {1}: {2}, zip filename: {3}",
_storageLocation.StudyInstanceUid, _hsmArchive.PartitionArchive.Description,
commandProcessor.FailureReason, zipFilename);
queueItem.FailureDescription = commandProcessor.FailureReason;
_hsmArchive.UpdateArchiveQueue(queueItem, ArchiveQueueStatusEnum.Failed, Platform.Time);
}
else
Platform.Log(LogLevel.Info, "Successfully archived study {0} on {1} to zip {2}",
_storageLocation.StudyInstanceUid,
_hsmArchive.PartitionArchive.Description, zipFilename);
// Log the current FilesystemQueue settings
_storageLocation.LogFilesystemQueue();
}
}
catch (StudyIntegrityValidationFailure ex)
{
StringBuilder error = new StringBuilder();
error.AppendLine(String.Format("Partition : {0}", ex.ValidationStudyInfo.ServerAE));
error.AppendLine(String.Format("Patient : {0}", ex.ValidationStudyInfo.PatientsName));
error.AppendLine(String.Format("Study Uid : {0}", ex.ValidationStudyInfo.StudyInstaneUid));
error.AppendLine(String.Format("Accession# : {0}", ex.ValidationStudyInfo.AccessionNumber));
error.AppendLine(String.Format("Study Date : {0}", ex.ValidationStudyInfo.StudyDate));
queueItem.FailureDescription = error.ToString();
_hsmArchive.UpdateArchiveQueue(queueItem, ArchiveQueueStatusEnum.Failed, Platform.Time);
}
catch (Exception e)
{
String msg = String.Format("Unexpected exception archiving study: {0} on {1}: {2}",
_storageLocation.StudyInstanceUid, _hsmArchive.PartitionArchive.Description, e.Message);
Platform.Log(LogLevel.Error, e, msg);
queueItem.FailureDescription = msg;
_hsmArchive.UpdateArchiveQueue(queueItem, ArchiveQueueStatusEnum.Failed, Platform.Time);
}
finally
{
// Unlock the Queue Entry
using (IUpdateContext update = PersistentStoreRegistry.GetDefaultStore().OpenUpdateContext(UpdateContextSyncMode.Flush))
{
ILockStudy studyLock = update.GetBroker<ILockStudy>();
LockStudyParameters parms = new LockStudyParameters
{
StudyStorageKey = queueItem.StudyStorageKey,
QueueStudyStateEnum = QueueStudyStateEnum.Idle
};
bool retVal = studyLock.Execute(parms);
if (!parms.Successful || !retVal)
{
Platform.Log(LogLevel.Info, "Study {0} on partition {1} is failed to unlock.", _storageLocation.StudyInstanceUid, _hsmArchive.ServerPartition.Description);
}
update.Commit();
}
}
}
}
/// <summary>
/// Removes all WorkQueueUids from the database and delete the corresponding DICOM files from the filesystem.
/// </summary>
private void ProcessWorkQueueUids()
{
if (Study == null)
Platform.Log(LogLevel.Info, "Begin StudyProcess Cleanup (Study has not been created): Attempt #{0}. {1} unprocessed files will be removed",
WorkQueueItem.FailureCount + 1,
WorkQueueUidList.Count);
else
Platform.Log(LogLevel.Info,
"Begin StudyProcess Cleanup for study {0}, Patient {1} (PatientId:{2} A#:{3}) on Partition {4}. Attempt #{5}. {6} unprocessed files will be removed",
Study.StudyInstanceUid, Study.PatientsName, Study.PatientId,
Study.AccessionNumber, ServerPartition.Description,
WorkQueueItem.FailureCount + 1,
WorkQueueUidList.Count
);
foreach (WorkQueueUid sop in WorkQueueUidList)
{
string path = GetFileStoredPath(sop);
Platform.Log(LogLevel.Info, "Cleaning up {0}", path);
using (ServerCommandProcessor processor = new ServerCommandProcessor(String.Format("Deleting {0}", sop.SopInstanceUid)))
{
// delete the file
FileDeleteCommand deleteFile = new FileDeleteCommand(path, true);
processor.AddCommand(deleteFile);
// delete the WorkQueueUID from the database
DeleteWorkQueueUidCommand deleteUid = new DeleteWorkQueueUidCommand(sop);
processor.AddCommand(deleteUid);
try
{
// delete the directory (if empty)
var fileInfo = new FileInfo(path);
ClearCanvas.ImageServer.Core.Command.DeleteDirectoryCommand deleteDir = new ClearCanvas.ImageServer.Core.Command.DeleteDirectoryCommand(fileInfo.Directory.FullName, false, true);
processor.AddCommand(deleteDir);
}
catch (DirectoryNotFoundException ex)
{
// ignore
}
if (!processor.Execute())
{
throw new Exception(String.Format("Unable to delete SOP {0}", sop.SopInstanceUid), processor.FailureException);
}
}
// Delete the base directory if it's empty
var baseDir = GetBaseDirectory(sop);
if (Directory.Exists(baseDir))
{
using (ServerCommandProcessor processor = new ServerCommandProcessor(String.Format("Deleting {0}", sop.SopInstanceUid)))
{
ClearCanvas.ImageServer.Core.Command.DeleteDirectoryCommand deleteDir = new ClearCanvas.ImageServer.Core.Command.DeleteDirectoryCommand(baseDir, false, true);
processor.AddCommand(deleteDir);
if (!processor.Execute())
{
throw new Exception(String.Format("Unable to delete {0}", baseDir), processor.FailureException);
}
}
}
}
}
/// <summary>
/// Inserts a <see cref="StudyIntegrityQueue"/> entry for manual reconciliation.
/// </summary>
/// <param name="file">The DICOM file that needs to be reconciled.</param>
/// <param name="reason">The type of <see cref="StudyIntegrityQueue"/> entry to be inserted.</param>
/// <param name="uid">A UID to delete on insert.</param>
/// <remarks>
/// A copy of the DICOM file will be stored in a special folder allocated for
/// reconciliation purpose. The caller is responsible for managing the original copy.
/// </remarks>
public void ScheduleReconcile(DicomFile file, StudyIntegrityReasonEnum reason, WorkQueueUid uid)
{
Platform.CheckForNullReference(_context.StudyLocation, "_context.StudyLocation");
Platform.Log(LogLevel.Info, "Scheduling new manual reconciliation for SOP {0}", file.MediaStorageSopInstanceUid);
ServerFilesystemInfo fs = FilesystemMonitor.Instance.GetFilesystemInfo(_context.StudyLocation.FilesystemKey);
Platform.CheckForNullReference(fs, "fs");
ReconcileStorage reconcileStorage = new ReconcileStorage(_context.StudyLocation, _context.Group);
using(ServerCommandProcessor processor = new ServerCommandProcessor("Schedule Manual Reconciliation"))
{
string path = reconcileStorage.GetSopInstancePath(file.DataSet[DicomTags.SopInstanceUid].ToString());
DirectoryInfo dir = new DirectoryInfo(path);
if (dir.Parent != null)
{
CreateDirectoryCommand mkdir = new CreateDirectoryCommand(dir.Parent.FullName);
processor.AddCommand(mkdir);
}
SaveDicomFileCommand saveFileCommand = new SaveDicomFileCommand(path, file, true);
processor.AddCommand(saveFileCommand);
InsertSIQCommand updateStudyCommand = new InsertSIQCommand(_context.StudyLocation, reason, file, _context.Group, reconcileStorage);
processor.AddCommand(updateStudyCommand);
if (uid != null)
processor.AddCommand(new DeleteWorkQueueUidCommand(uid));
if (processor.Execute() == false)
{
throw new ApplicationException(String.Format("Unable to schedule image reconcilation : {0}", processor.FailureReason), processor.FailureException);
}
}
}
/// <summary>
/// Perform the edit.
/// </summary>
/// <param name="actionXml">A serialized XML representation of <see cref="SetTagCommand"/> objects</param>
/// <returns></returns>
public bool Edit(XmlElement actionXml)
{
Platform.Log(LogLevel.Info,
"Starting Edit of study {0} for Patient {1} (PatientId:{2} A#:{3}) on Partition {4}",
Study.StudyInstanceUid, Study.PatientsName, Study.PatientId,
Study.AccessionNumber, ServerPartition.Description);
LoadExtensions();
EditStudyWorkQueueDataParser parser = new EditStudyWorkQueueDataParser();
EditStudyWorkQueueData data = parser.Parse(actionXml);
using (ServerCommandProcessor processor = new ServerCommandProcessor("Web Edit Study"))
{
// Convert UpdateItem in the request into BaseImageLevelUpdateCommand
List<BaseImageLevelUpdateCommand> updateCommands = null;
if (data != null)
{
updateCommands = CollectionUtils.Map<Edit.UpdateItem, BaseImageLevelUpdateCommand>(
data.EditRequest.UpdateEntries,
delegate(Edit.UpdateItem item)
{
// Note: For edit, we assume each UpdateItem is equivalent to SetTagCommand
return new SetTagCommand(item.DicomTag.TagValue, item.OriginalValue, item.Value);
}
);
}
UpdateStudyCommand updateStudyCommand =
new UpdateStudyCommand(ServerPartition, StorageLocation, updateCommands,
ServerRuleApplyTimeEnum.SopEdited);
processor.AddCommand(updateStudyCommand);
// Note, this command will only insert the ArchiveQueue command if a delete doesn't exist
processor.AddCommand(new InsertArchiveQueueCommand(ServerPartition.Key, StorageLocation.Key));
var context = new WebEditStudyContext
{
CommandProcessor = processor,
EditType = data.EditRequest.EditType,
OriginalStudyStorageLocation = StorageLocation,
EditCommands = updateCommands,
OriginalStudy = Study,
OrginalPatient = Patient,
UserId = data.EditRequest.UserId,
Reason = data.EditRequest.Reason
};
OnStudyUpdating(context);
if (!processor.Execute())
{
Platform.Log(LogLevel.Error, processor.FailureException, "Unexpected failure editing study: {0}",
processor.FailureReason);
FailureReason = processor.FailureReason;
return false;
}
// reload the StudyStorageLocation
NewStorageLocation = StudyStorageLocation.FindStorageLocations(StorageLocation.StudyStorage)[0];
context.NewStudystorageLocation = NewStorageLocation;
OnStudyUpdated(context);
if (updateStudyCommand.Statistics != null)
StatisticsLogger.Log(LogLevel.Info, updateStudyCommand.Statistics);
return true;
}
}
private static void UpdateUidMap(StudyStorageLocation dest, UidMapper uidMapper)
{
using (ServerCommandProcessor processor = new ServerCommandProcessor("Update UID Mapping Processor"))
{
processor.AddCommand(new SaveUidMapXmlCommand(dest, uidMapper));
if (!processor.Execute())
{
throw new ApplicationException(String.Format("AUTO-RECONCILE Failed: Unable to update uid mapping. Reason: {0}", processor.FailureReason), processor.FailureException);
}
}
}
private void UpdateExistingStudy()
{
Platform.Log(LogLevel.Info, "Updating existing study...");
using(ServerCommandProcessor updateProcessor = new ServerCommandProcessor("Update Study"))
{
UpdateStudyCommand studyUpdateCommand = new UpdateStudyCommand(Context.Partition, _destinationStudyStorage, _commands, ServerRuleApplyTimeEnum.SopProcessed);
updateProcessor.AddCommand(studyUpdateCommand);
if (!updateProcessor.Execute())
{
throw new ApplicationException(
String.Format("Unable to update existing study: {0}", updateProcessor.FailureReason));
}
}
}
/// <summary>
/// Imports the specified <see cref="DicomMessageBase"/> object into the system.
/// The object will be inserted into the <see cref="WorkQueue"/> for processing and
/// if it's a duplicate, proper checks will be done and depending on the policy, it will be
/// ignored, rejected or inserted into the <see cref="StudyIntegrityQueue"/> for manual intervention.
/// </summary>
/// <param name="message">The DICOM object to be imported.</param>
/// <returns>An instance of <see cref="DicomProcessingResult"/> that describes the result of the processing.</returns>
/// <exception cref="DicomDataException">Thrown when the DICOM object contains invalid data</exception>
public DicomProcessingResult Import(DicomMessageBase message)
{
Platform.CheckForNullReference(message, "message");
String studyInstanceUid = message.DataSet[DicomTags.StudyInstanceUid].GetString(0, string.Empty);
String seriesInstanceUid = message.DataSet[DicomTags.SeriesInstanceUid].GetString(0, string.Empty);
String sopInstanceUid = message.DataSet[DicomTags.SopInstanceUid].GetString(0, string.Empty);
String accessionNumber = message.DataSet[DicomTags.AccessionNumber].GetString(0, string.Empty);
String patientsName = message.DataSet[DicomTags.PatientsName].GetString(0, string.Empty);
DicomFile file = null;
// Scrub the name for invalid characters.
string newName = XmlUtils.XmlCharacterScrub(patientsName);
if (!newName.Equals(patientsName))
message.DataSet[DicomTags.PatientsName].SetStringValue(newName);
var result = new DicomProcessingResult
{
Successful = true,
StudyInstanceUid = studyInstanceUid,
SeriesInstanceUid = seriesInstanceUid,
SopInstanceUid = sopInstanceUid,
AccessionNumber = accessionNumber
};
try
{
Validate(message);
}
catch (DicomDataException e)
{
result.SetError(DicomStatuses.ProcessingFailure, e.Message);
return result;
}
// Use the command processor for rollback capabilities.
using (var commandProcessor = new ServerCommandProcessor(String.Format("Processing Sop Instance {0}", sopInstanceUid)))
{
try
{
string failureMessage;
StudyStorageLocation studyLocation = GetWritableOnlineStorage(message);
// GetWritableOnlineStorage should throw an exception if the study location cannot be found.
Platform.CheckForNullReference(studyLocation, "studyLocation");
if (!studyLocation.QueueStudyStateEnum.Equals(QueueStudyStateEnum.Idle)
&& (!studyLocation.QueueStudyStateEnum.Equals(QueueStudyStateEnum.ProcessingScheduled)))
{
failureMessage = String.Format("Study {0} on partition {1} is being processed: {2}, can't accept new images.",
studyLocation.StudyInstanceUid, _context.Partition.Description, studyLocation.QueueStudyStateEnum.Description);
result.SetError(DicomStatuses.StorageStorageOutOfResources, failureMessage);
return result;
}
if (studyLocation.StudyStatusEnum.Equals(StudyStatusEnum.OnlineLossy))
{
if (studyLocation.IsLatestArchiveLossless)
{
result.DicomStatus = DicomStatuses.StorageStorageOutOfResources;
failureMessage = String.Format("Study {0} on partition {1} can't accept new images due to lossy compression of the study. Restoring study.",
studyLocation.StudyInstanceUid, _context.Partition.Description);
Platform.Log(LogLevel.Error, failureMessage);
if (ServerHelper.InsertRestoreRequest(studyLocation) == null)
{
Platform.Log(LogLevel.Warn, "Unable to insert Restore Request for Study");
}
result.SetError(DicomStatuses.StorageStorageOutOfResources, failureMessage);
result.RestoreRequested = true;
return result;
}
}
String path = studyLocation.FilesystemPath;
const string extension = null;
String finalDest = studyLocation.GetSopInstancePath(seriesInstanceUid, sopInstanceUid);
file = ConvertToDicomFile(message, finalDest, _context.SourceAE);
if (HasUnprocessedCopy(studyLocation.Key, seriesInstanceUid, sopInstanceUid))
{
var accept = false;
// This is a special case: #10569
// Allow user to revive an orphaned study by reprocessing the files found in the filesystem
if (File.Exists(finalDest))
{
accept = DuplicatePolicy.IsParitionDuplicatePolicyOverridden(studyLocation);
}
if (!accept)
{
failureMessage = string.Format("Another copy of the SOP Instance was received but has not been processed: {0}", sopInstanceUid);
result.SetError(DicomStatuses.DuplicateSOPInstance, failureMessage);
return result;
}
}
if (File.Exists(finalDest))
{
result = HandleDuplicate(sopInstanceUid, studyLocation, commandProcessor, file);
if (!result.Successful)
return result;
}
else
{
HandleNonDuplicate(seriesInstanceUid, sopInstanceUid, studyLocation, commandProcessor, file, path, false, extension);
}
if (commandProcessor.Execute())
{
result.DicomStatus = DicomStatuses.Success;
}
else
{
failureMessage =
String.Format("Failure processing message: {0}. Sending failure status.",
commandProcessor.FailureReason);
result.SetError(DicomStatuses.ProcessingFailure, failureMessage);
// processor already rolled back
return result;
}
}
catch(NoWritableFilesystemException)
{
String failureMessage = String.Format("Unable to process image, no writable filesystem found for Study UID {0}.", sopInstanceUid);
commandProcessor.Rollback();
result.SetError(DicomStatuses.StorageStorageOutOfResources, failureMessage);
}
catch(StudyIsNearlineException e)
{
String failureMessage = e.RestoreRequested
? String.Format("{0}. Restore has been requested.", e.Message)
: e.Message;
Platform.Log(LogLevel.Error, failureMessage);
commandProcessor.Rollback();
result.SetError(DicomStatuses.ProcessingFailure, failureMessage);
}
catch (FilesystemNotWritableException)
{
commandProcessor.Rollback();
string folder;
if (!FilesystemMonitor.Instance.GetWriteableIncomingFolder(_context.Partition, out folder))
{
String failureMessage =
String.Format("Unable to process image, study storage location is missing or not writeable: {0}.", sopInstanceUid);
result.SetError(DicomStatuses.StorageStorageOutOfResources, failureMessage);
return result;
}
if (file == null)
file = ConvertToDicomFile(message, string.Empty, _context.SourceAE);
if (!SaveToFolder(folder, sopInstanceUid, studyInstanceUid, file))
{
String failureMessage =
String.Format("Study storage location not writeable and no writeable incoming folder: {0}.", sopInstanceUid);
result.SetError(DicomStatuses.StorageStorageOutOfResources, failureMessage);
return result;
}
Platform.Log(LogLevel.Info, "Saved existing SOP without writeable storage location to {0} folder: {1}",
FilesystemMonitor.ImportDirectorySuffix, sopInstanceUid);
result.DicomStatus = DicomStatuses.Success;
return result;
}
catch (Exception e)
{
Platform.Log(LogLevel.Error, e, "Unexpected exception when {0}. Rolling back operation.", commandProcessor.Description);
commandProcessor.Rollback();
result.SetError(result.DicomStatus ?? DicomStatuses.ProcessingFailure, e.Message);
}
}
return result;
}
private static void HandleNonDuplicate(string seriesInstanceUid, string sopInstanceUid, StudyStorageLocation studyLocation, ServerCommandProcessor commandProcessor, DicomFile file, string path, bool dupImage, string extension)
{
commandProcessor.AddCommand(new CreateDirectoryCommand(path));
path = Path.Combine(path, studyLocation.PartitionFolder);
commandProcessor.AddCommand(new CreateDirectoryCommand(path));
path = Path.Combine(path, studyLocation.StudyFolder);
commandProcessor.AddCommand(new CreateDirectoryCommand(path));
path = Path.Combine(path, studyLocation.StudyInstanceUid);
commandProcessor.AddCommand(new CreateDirectoryCommand(path));
path = Path.Combine(path, seriesInstanceUid);
commandProcessor.AddCommand(new CreateDirectoryCommand(path));
path = Path.Combine(path, sopInstanceUid);
path += ServerPlatform.DicomFileExtension;
commandProcessor.AddCommand(new SaveDicomFileCommand(path, file, true));
commandProcessor.AddCommand(
new UpdateWorkQueueCommand(file, studyLocation, dupImage));
#region SPECIAL CODE FOR TESTING
if (Diagnostics.Settings.SimulateFileCorruption)
{
commandProcessor.AddCommand(new CorruptDicomFileCommand(path));
}
#endregion
}
private static bool SaveToFolder(string folder, string sopInstanceUid, string studyInstanceUid, DicomFile file)
{
using (ServerCommandProcessor commandProcessor =
new ServerCommandProcessor(String.Format("Saving Sop Instance to Incoming {0}", sopInstanceUid)))
{
string path = Path.Combine(folder, studyInstanceUid);
commandProcessor.AddCommand(new CreateDirectoryCommand(path));
path = Path.Combine(path, sopInstanceUid);
path += ServerPlatform.DicomFileExtension;
if (File.Exists(path))
return false;
commandProcessor.AddCommand(new SaveDicomFileCommand(path, file, true));
return commandProcessor.Execute();
}
}
private void ProcessSeriesLevelDelete(Model.WorkQueue item)
{
// ensure the Study is loaded.
Study study = StorageLocation.Study;
Platform.CheckForNullReference(study, "Study record doesn't exist");
Platform.Log(LogLevel.Info, "Processing Series Level Deletion for Study {0}, A#: {1}",
study.StudyInstanceUid, study.AccessionNumber);
_seriesToDelete = new List<Series>();
bool completed = false;
try
{
// Load the list of Series to be deleted from the WorkQueueUid
LoadUids(item);
// Go through the list of series and add commands
// to delete each of them. It's all or nothing.
using (ServerCommandProcessor processor = new ServerCommandProcessor(String.Format("Deleting Series from study {0}, A#:{1}, Patient: {2}, ID:{3}", study.StudyInstanceUid, study.AccessionNumber, study.PatientsName, study.PatientId)))
{
StudyXml studyXml = StorageLocation.LoadStudyXml();
IDictionary<string, Series> existingSeries = StorageLocation.Study.Series;
// Add commands to delete the folders and update the xml
foreach (WorkQueueUid uid in WorkQueueUidList)
{
// Delete from study XML
if (studyXml.Contains(uid.SeriesInstanceUid))
{
//Note: DeleteDirectoryCommand doesn't throw exception if the folder doesn't exist
var xmlUpdate = new RemoveSeriesFromStudyXml(studyXml, uid.SeriesInstanceUid);
processor.AddCommand(xmlUpdate);
}
// Delete from filesystem
string path = StorageLocation.GetSeriesPath(uid.SeriesInstanceUid);
if (Directory.Exists(path))
{
var delDir = new DeleteDirectoryCommand(path, true);
processor.AddCommand(delDir);
}
}
// flush the updated xml to disk
processor.AddCommand(new SaveXmlCommand(studyXml, StorageLocation));
// Update the db.. NOTE: these commands are executed at the end.
foreach (WorkQueueUid uid in WorkQueueUidList)
{
// Delete from DB
WorkQueueUid queueUid = uid;
Series theSeries = existingSeries[queueUid.SeriesInstanceUid];
if (theSeries!=null)
{
_seriesToDelete.Add(theSeries);
var delSeries = new DeleteSeriesFromDBCommand(StorageLocation, theSeries);
processor.AddCommand(delSeries);
delSeries.Executing += DeleteSeriesFromDbExecuting;
}
else
{
// Series doesn't exist
Platform.Log(LogLevel.Info, "Series {0} is invalid or no longer exists", uid.SeriesInstanceUid);
}
// The WorkQueueUid must be cleared before the entry can be removed from the queue
var deleteUid = new DeleteWorkQueueUidCommand(uid);
processor.AddCommand(deleteUid);
// Force a re-archival if necessary
processor.AddCommand(new InsertArchiveQueueCommand(item.ServerPartitionKey, item.StudyStorageKey));
}
if (!processor.Execute())
throw new ApplicationException(
String.Format("Error occurred when series from Study {0}, A#: {1}",
study.StudyInstanceUid, study.AccessionNumber), processor.FailureException);
else
{
foreach (Series series in _seriesToDelete)
{
OnSeriesDeleted(series);
}
}
}
completed = true;
}
finally
{
if (completed)
{
OnCompleted();
PostProcessing(item, WorkQueueProcessorStatus.Complete, WorkQueueProcessorDatabaseUpdate.ResetQueueState);
}
else
{
PostProcessing(item, WorkQueueProcessorStatus.Pending, WorkQueueProcessorDatabaseUpdate.None);
}
}
}
private void InsertInstance(DicomFile file, StudyXml stream, WorkQueueUid uid, string deleteFile)
{
using (ServerCommandProcessor processor = new ServerCommandProcessor("Processing WorkQueue DICOM file"))
{
EventsHelper.Fire(OnInsertingSop, this, new SopInsertingEventArgs {Processor = processor });
InsertInstanceCommand insertInstanceCommand = null;
InsertStudyXmlCommand insertStudyXmlCommand = null;
String patientsName = file.DataSet[DicomTags.PatientsName].GetString(0, String.Empty);
_modality = file.DataSet[DicomTags.Modality].GetString(0, String.Empty);
if (_context.UpdateCommands.Count > 0)
{
foreach (BaseImageLevelUpdateCommand command in _context.UpdateCommands)
{
command.File = file;
processor.AddCommand(command);
}
}
try
{
// Create a context for applying actions from the rules engine
ServerActionContext context =
new ServerActionContext(file, _context.StorageLocation.FilesystemKey, _context.Partition, _context.StorageLocation.Key);
context.CommandProcessor = processor;
_context.SopCompressionRulesEngine.Execute(context);
String seriesUid = file.DataSet[DicomTags.SeriesInstanceUid].GetString(0, String.Empty);
String sopUid = file.DataSet[DicomTags.SopInstanceUid].GetString(0, String.Empty);
String finalDest = _context.StorageLocation.GetSopInstancePath(seriesUid, sopUid);
if (_context.UpdateCommands.Count > 0)
{
processor.AddCommand(new SaveDicomFileCommand(_context.StorageLocation, file, file.Filename != finalDest));
}
else if (file.Filename != finalDest || processor.CommandCount > 0)
{
// Have to be careful here about failure on exists vs. not failing on exists
// because of the different use cases of the importer.
// save the file in the study folder, or if its been compressed
processor.AddCommand(new SaveDicomFileCommand(finalDest, file, file.Filename != finalDest));
}
// Update the StudyStream object
insertStudyXmlCommand = new InsertStudyXmlCommand(file, stream, _context.StorageLocation);
processor.AddCommand(insertStudyXmlCommand);
// Have the rules applied during the command processor, and add the objects.
processor.AddCommand(new ApplySopRulesCommand(context,_context.SopProcessedRulesEngine));
// If specified, delete the file
if (deleteFile != null)
processor.AddCommand(new FileDeleteCommand(deleteFile, true));
// Insert into the database, but only if its not a duplicate so the counts don't get off
insertInstanceCommand = new InsertInstanceCommand(file, _context.StorageLocation);
processor.AddCommand(insertInstanceCommand);
// Do a check if the StudyStatus value should be changed in the StorageLocation. This
// should only occur if the object has been compressed in the previous steps.
processor.AddCommand(new UpdateStudyStatusCommand(_context.StorageLocation, file));
if (uid!=null)
processor.AddCommand(new DeleteWorkQueueUidCommand(uid));
// Do the actual processing
if (!processor.Execute())
{
Platform.Log(LogLevel.Error, "Failure processing command {0} for SOP: {1}", processor.Description, file.MediaStorageSopInstanceUid);
Platform.Log(LogLevel.Error, "File that failed processing: {0}", file.Filename);
throw new ApplicationException("Unexpected failure (" + processor.FailureReason + ") executing command for SOP: " + file.MediaStorageSopInstanceUid, processor.FailureException);
}
Platform.Log(ServerPlatform.InstanceLogLevel, "Processed SOP: {0} for Patient {1}", file.MediaStorageSopInstanceUid, patientsName);
}
catch (Exception e)
{
Platform.Log(LogLevel.Error, e, "Unexpected exception when {0}. Rolling back operation.",
processor.Description);
processor.Rollback();
throw new ApplicationException("Unexpected exception when processing file.", e);
}
finally
{
if (insertInstanceCommand != null && insertInstanceCommand.Statistics.IsSet)
_instanceStats.InsertDBTime.Add(insertInstanceCommand.Statistics);
if (insertStudyXmlCommand != null && insertStudyXmlCommand.Statistics.IsSet)
_instanceStats.InsertStreamTime.Add(insertStudyXmlCommand.Statistics);
}
}
}
