protected override void OnExecute(CommandProcessor theProcessor, IUpdateContext updateContext)
{
var insert = updateContext.GetBroker <IInsertWorkQueue>();
var parms = new InsertWorkQueueParameters
{
WorkQueueTypeEnum = WorkQueueTypeEnum.StudyProcess,
StudyStorageKey = _storageLocation.GetKey(),
ServerPartitionKey = _storageLocation.ServerPartitionKey,
SeriesInstanceUid = _message.DataSet[DicomTags.SeriesInstanceUid].GetString(0, String.Empty),
SopInstanceUid = _message.DataSet[DicomTags.SopInstanceUid].GetString(0, String.Empty),
ScheduledTime = Platform.Time,
WorkQueueGroupID = _uidGroupId
};
if (_duplicate)
{
parms.Duplicate = _duplicate;
parms.Extension = _extension;
parms.UidGroupID = _uidGroupId;
}
_insertedWorkQueue = insert.FindOne(parms);
if (_insertedWorkQueue == null)
{
throw new ApplicationException("UpdateWorkQueueCommand failed");
}
}
static public void Insert(StudyStorageLocation storageLocation, string studyInstanceUId, string seriesInstanceUid, string sopInstanceUid, DicomPixelData pixeldata)
{
lock (_cache)
{
string key =
String.Format("{0}/{1}/{2}/{3}", storageLocation.GetKey().Key, studyInstanceUId, seriesInstanceUid, sopInstanceUid);
_cache.Add(key, pixeldata, null, Cache.NoAbsoluteExpiration, _retentionTime, CacheItemPriority.Normal, null);
}
}
static public void Insert(StudyStorageLocation storageLocation, string studyInstanceUId, string seriesInstanceUid, string sopInstanceUid, DicomPixelData pixeldata)
{
lock (_cache)
{
string key =
String.Format("{0}/{1}/{2}/{3}", storageLocation.GetKey().Key, studyInstanceUId, seriesInstanceUid, sopInstanceUid);
_cache.Add(key, pixeldata, null, Cache.NoAbsoluteExpiration, _retentionTime, CacheItemPriority.Normal, null);
}
}
private void CreateSubCommands()
{
_archiveXml = new XmlDocument();
_studyXml = _storageLocation.LoadStudyXml();
string studyFolder = _storageLocation.GetStudyPath();
// Create the study date folder
_zipFilename = Path.Combine(_hsmPath, _storageLocation.StudyFolder);
AddSubCommand(new CreateDirectoryCommand(_zipFilename));
// Create a folder for the study
_zipFilename = Path.Combine(_zipFilename, _storageLocation.StudyInstanceUid);
AddSubCommand(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
var zipStudyCommand = new CreateStudyZipCommand(_zipFilename, _studyXml, studyFolder, _tempPath)
{
ForceCompress = this.ForceCompress
};
zipStudyCommand.ProgressUpdated += (s, e) => EventsHelper.Fire(this.ProgressUpdated, this, e);
AddSubCommand(zipStudyCommand);
// Update the database.
AddSubCommand(new InsertArchiveStudyStorageCommand(_storageLocation.GetKey(), _archive.GetKey(), _storageLocation.ServerTransferSyntaxKey, _archiveXml));
}
public static StudyHistory CreateStudyHistoryRecord(IUpdateContext updateContext,
StudyStorageLocation primaryStudyLocation,
StudyStorageLocation secondaryStudyLocation,
StudyHistoryTypeEnum type, object entryInfo,
object changeLog)
{
var columns = new StudyHistoryUpdateColumns
{
InsertTime = Platform.Time,
StudyHistoryTypeEnum = type,
StudyStorageKey = primaryStudyLocation.GetKey(),
DestStudyStorageKey =
secondaryStudyLocation != null
? secondaryStudyLocation.GetKey()
: primaryStudyLocation.GetKey(),
StudyData = XmlUtils.SerializeAsXmlDoc(entryInfo) ?? new XmlDocument(),
ChangeDescription = XmlUtils.SerializeAsXmlDoc(changeLog) ?? new XmlDocument()
};
var broker = updateContext.GetBroker <IStudyHistoryEntityBroker>();
return(broker.Insert(columns));
}
protected override void OnExecute(CommandProcessor theProcessor, IUpdateContext updateContext)
{
var deleteInstanceBroker = updateContext.GetBroker <IDeleteInstance>();
var parameters = new DeleteInstanceParameters
{
StudyStorageKey = _studyLocation.GetKey(),
SeriesInstanceUid = _seriesInstanceUid,
SOPInstanceUid = _sopInstanceUid
};
if (!deleteInstanceBroker.Execute(parameters))
{
throw new ApplicationException("Unable to update instance count in db");
}
}
protected override void OnExecute(CommandProcessor theProcessor, IUpdateContext updateContext)
{
var insert = updateContext.GetBroker <IInsertWorkQueue>();
var parms = new InsertWorkQueueParameters
{
WorkQueueTypeEnum = WorkQueueTypeEnum.StudyProcess,
StudyStorageKey = _storageLocation.GetKey(),
ServerPartitionKey = _storageLocation.ServerPartitionKey,
SeriesInstanceUid = _message.DataSet[DicomTags.SeriesInstanceUid].GetString(0, String.Empty),
SopInstanceUid = _message.DataSet[DicomTags.SopInstanceUid].GetString(0, String.Empty),
ScheduledTime = Platform.Time,
};
if (_priority != null)
{
parms.WorkQueuePriorityEnum = _priority;
}
if (_data != null)
{
parms.WorkQueueData = ImageServerSerializer.SerializeWorkQueueDataToXmlDocument(_data);
}
if (_request != null)
{
parms.ExternalRequestQueueKey = _request.Key;
}
if (_uidData != null)
{
parms.WorkQueueUidData = _uidData;
parms.Extension = _uidData.Extension;
parms.UidGroupID = _uidData.GroupId;
parms.WorkQueueGroupID = _uidData.GroupId;
}
if (_duplicate)
{
parms.Duplicate = _duplicate;
}
_insertedWorkQueue = insert.FindOne(parms);
if (_insertedWorkQueue == null)
{
throw new ApplicationException("UpdateWorkQueueCommand failed");
}
}
static public DicomPixelData Find(StudyStorageLocation storageLocation, string studyInstanceUId, string seriesInstanceUid, string sopInstanceUid )
{
lock (_cache)
{
string key =
String.Format("{0}/{1}/{2}/{3}", storageLocation.GetKey().Key, studyInstanceUId, seriesInstanceUid, sopInstanceUid);
object cachedPD = _cache.Get(key);
if (cachedPD != null)
{
//Platform.Log(LogLevel.Info, "Pixel data found in cache");
return cachedPD as DicomPixelData;
}
else
return null;
}
}
static public DicomPixelData Find(StudyStorageLocation storageLocation, string studyInstanceUId, string seriesInstanceUid, string sopInstanceUid)
{
lock (_cache)
{
string key =
String.Format("{0}/{1}/{2}/{3}", storageLocation.GetKey().Key, studyInstanceUId, seriesInstanceUid, sopInstanceUid);
object cachedPD = _cache.Get(key);
if (cachedPD != null)
{
//Platform.Log(LogLevel.Info, "Pixel data found in cache");
return(cachedPD as DicomPixelData);
}
else
{
return(null);
}
}
}
public void OnStudyDeleting()
{
if (!Enabled)
{
return;
}
StudyStorageLocation storage = _context.StorageLocation;
IList <ArchiveStudyStorage> archives = StudyStorageLocation.GetArchiveLocations(storage.GetKey());
if (archives != null && archives.Count > 0)
{
_archives = new DeletedStudyArchiveInfoCollection();
foreach (ArchiveStudyStorage archive in archives)
{
DeletedStudyArchiveInfo archiveInfo = new DeletedStudyArchiveInfo();
archiveInfo.ArchiveTime = archive.ArchiveTime;
archiveInfo.ArchiveXml = archive.ArchiveXml;
archiveInfo.PartitionArchiveRef = PartitionArchive.Load(archive.PartitionArchiveKey).GetKey().Key;
archiveInfo.TransferSyntaxUid = archive.ServerTransferSyntax.Uid;
_archives.Add(archiveInfo);
}
}
// only backup if study is manually deleted
if (_context.WorkQueueItem.WorkQueueTypeEnum == WorkQueueTypeEnum.WebDeleteStudy)
{
using (var processor = new ServerCommandProcessor("Backup deleted study"))
{
string path = _context.Filesystem.ResolveAbsolutePath(BackupSubPath);
Platform.Log(LogLevel.Info, "Saving a copy of the study to {0}...", path);
var mkdir = new CreateDirectoryCommand(path);
processor.AddCommand(mkdir);
var zip = new ZipStudyFolderCommand(storage.GetStudyPath(), BackupFullPath);
processor.AddCommand(zip);
if (!processor.Execute())
{
throw new ApplicationException(String.Format("Unable to backup study: {0}", processor.FailureReason));
}
}
}
}
static public DicomPixelData Find(StudyStorageLocation storageLocation, string studyInstanceUId, string seriesInstanceUid, string sopInstanceUid)
{
string key = String.Format("{0}/{1}/{2}/{3}", storageLocation.GetKey().Key, studyInstanceUId, seriesInstanceUid, sopInstanceUid);
return(_cache.Get(key) as DicomPixelData);
}
/// <summary>
/// Updates the status of a study to a new status
/// </summary>
protected virtual void UpdateStudyStatus(StudyStorageLocation theStudyStorage, StudyStatusEnum theStatus, TransferSyntax theSyntax)
{
DBUpdateTime.Add(
delegate
{
using (
IUpdateContext updateContext =
PersistentStoreRegistry.GetDefaultStore().OpenUpdateContext(UpdateContextSyncMode.Flush))
{
// Select the Server Transfer Syntax
ServerTransferSyntaxSelectCriteria syntaxCriteria = new ServerTransferSyntaxSelectCriteria();
IServerTransferSyntaxEntityBroker syntaxBroker =
updateContext.GetBroker<IServerTransferSyntaxEntityBroker>();
syntaxCriteria.Uid.EqualTo(theSyntax.UidString);
ServerTransferSyntax serverSyntax = syntaxBroker.FindOne(syntaxCriteria);
if (serverSyntax == null)
{
Platform.Log(LogLevel.Error, "Unable to load ServerTransferSyntax for {0}. Unable to update study status.", theSyntax.Name);
return;
}
// Get the FilesystemStudyStorage update broker ready
IFilesystemStudyStorageEntityBroker filesystemQueueBroker =
updateContext.GetBroker<IFilesystemStudyStorageEntityBroker>();
FilesystemStudyStorageUpdateColumns filesystemQueueUpdate = new FilesystemStudyStorageUpdateColumns
{
ServerTransferSyntaxKey = serverSyntax.GetKey()
};
FilesystemStudyStorageSelectCriteria filesystemQueueCriteria = new FilesystemStudyStorageSelectCriteria();
filesystemQueueCriteria.StudyStorageKey.EqualTo(theStudyStorage.GetKey());
// Get the StudyStorage update broker ready
IStudyStorageEntityBroker studyStorageBroker =
updateContext.GetBroker<IStudyStorageEntityBroker>();
StudyStorageUpdateColumns studyStorageUpdate = new StudyStorageUpdateColumns
{
StudyStatusEnum = theStatus,
LastAccessedTime = Platform.Time
};
if (!filesystemQueueBroker.Update(filesystemQueueCriteria,filesystemQueueUpdate))
{
Platform.Log(LogLevel.Error, "Unable to update FilesystemQueue row: Study {0}, Server Entity {1}",
theStudyStorage.StudyInstanceUid, theStudyStorage.ServerPartitionKey);
}
else if (!studyStorageBroker.Update(theStudyStorage.GetKey(),studyStorageUpdate))
{
Platform.Log(LogLevel.Error, "Unable to update StudyStorage row: Study {0}, Server Entity {1}",
theStudyStorage.StudyInstanceUid, theStudyStorage.ServerPartitionKey);
}
else
updateContext.Commit();
}
}
);
}
/// <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 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"))
{
var archiveStudyCmd = new ArchiveStudyCommand(_storageLocation, _hsmArchive.HsmPath, executionContext.TempDirectory, _hsmArchive.PartitionArchive)
{
ForceCompress = HsmSettings.Default.CompressZipFiles
};
commandProcessor.AddCommand(archiveStudyCmd);
commandProcessor.AddCommand(new UpdateArchiveQueueItemCommand(queueItem.GetKey(), _storageLocation.GetKey(), ArchiveQueueStatusEnum.Completed));
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, archiveStudyCmd.OutputZipFilePath);
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, archiveStudyCmd.OutputZipFilePath);
}
// 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();
}
}
}
}
protected override void OnExecute(CommandProcessor theProcessor, IUpdateContext updateContext)
{
// Check if the File is the same syntax as the
TransferSyntax fileSyntax = _file.TransferSyntax;
TransferSyntax dbSyntax = TransferSyntax.GetTransferSyntax(_location.TransferSyntaxUid);
// Check if the syntaxes match the location
if ((!fileSyntax.Encapsulated && !dbSyntax.Encapsulated) ||
(fileSyntax.LosslessCompressed && dbSyntax.LosslessCompressed) ||
(fileSyntax.LossyCompressed && dbSyntax.LossyCompressed))
{
// no changes necessary, just return;
return;
}
// Select the Server Transfer Syntax
var syntaxCriteria = new ServerTransferSyntaxSelectCriteria();
var syntaxBroker = updateContext.GetBroker <IServerTransferSyntaxEntityBroker>();
syntaxCriteria.Uid.EqualTo(fileSyntax.UidString);
ServerTransferSyntax serverSyntax = syntaxBroker.FindOne(syntaxCriteria);
if (serverSyntax == null)
{
Platform.Log(LogLevel.Error, "Unable to load ServerTransferSyntax for {0}. Unable to update study status.", fileSyntax.Name);
return;
}
// Get the FilesystemStudyStorage update broker ready
var filesystemStudyStorageEntityBroker = updateContext.GetBroker <IFilesystemStudyStorageEntityBroker>();
var filesystemStorageUpdate = new FilesystemStudyStorageUpdateColumns();
var filesystemStorageCritiera = new FilesystemStudyStorageSelectCriteria();
filesystemStorageUpdate.ServerTransferSyntaxKey = serverSyntax.Key;
filesystemStorageCritiera.StudyStorageKey.EqualTo(_location.Key);
// Get the StudyStorage update broker ready
var studyStorageBroker =
updateContext.GetBroker <IStudyStorageEntityBroker>();
var studyStorageUpdate = new StudyStorageUpdateColumns();
StudyStatusEnum statusEnum = _location.StudyStatusEnum;
if (fileSyntax.LossyCompressed)
{
studyStorageUpdate.StudyStatusEnum = statusEnum = StudyStatusEnum.OnlineLossy;
}
else if (fileSyntax.LosslessCompressed)
{
studyStorageUpdate.StudyStatusEnum = statusEnum = StudyStatusEnum.OnlineLossless;
}
studyStorageUpdate.LastAccessedTime = Platform.Time;
if (!filesystemStudyStorageEntityBroker.Update(filesystemStorageCritiera, filesystemStorageUpdate))
{
Platform.Log(LogLevel.Error, "Unable to update FilesystemQueue row: Study {0}, Server Entity {1}",
_location.StudyInstanceUid, _location.ServerPartitionKey);
}
else if (!studyStorageBroker.Update(_location.GetKey(), studyStorageUpdate))
{
Platform.Log(LogLevel.Error, "Unable to update StudyStorage row: Study {0}, Server Entity {1}",
_location.StudyInstanceUid, _location.ServerPartitionKey);
}
else
{
// Update the location, so the next time we come in here, we don't try and update the database
// for another sop in the study.
_location.StudyStatusEnum = statusEnum;
_location.TransferSyntaxUid = fileSyntax.UidString;
_location.ServerTransferSyntaxKey = serverSyntax.Key;
}
}
public static StudyHistory CreateStudyHistoryRecord(IUpdateContext updateContext,
StudyStorageLocation primaryStudyLocation, StudyStorageLocation secondaryStudyLocation,
StudyHistoryTypeEnum type, object entryInfo, object changeLog)
{
StudyHistoryUpdateColumns columns = new StudyHistoryUpdateColumns
{
InsertTime = Platform.Time,
StudyHistoryTypeEnum = type,
StudyStorageKey = primaryStudyLocation.GetKey(),
DestStudyStorageKey =
secondaryStudyLocation != null
? secondaryStudyLocation.GetKey()
: primaryStudyLocation.GetKey(),
StudyData = XmlUtils.SerializeAsXmlDoc(entryInfo) ?? new XmlDocument(),
ChangeDescription = XmlUtils.SerializeAsXmlDoc(changeLog) ?? new XmlDocument()
};
IStudyHistoryEntityBroker broker = updateContext.GetBroker<IStudyHistoryEntityBroker>();
return broker.Insert(columns);
}
static public DicomPixelData Find(StudyStorageLocation storageLocation, string studyInstanceUId, string seriesInstanceUid, string sopInstanceUid )
{
string key = String.Format("{0}/{1}/{2}/{3}", storageLocation.GetKey().Key, studyInstanceUId, seriesInstanceUid, sopInstanceUid);
return _cache.Get(key) as DicomPixelData;
}