/// <summary>
/// Checks for a storage location for the study in the database, and creates a new location
/// in the database if it doesn't exist.
/// </summary>
/// <param name="partition">The partition where the study is being sent to</param>
/// <param name="created"></param>
/// <param name="studyDate"></param>
/// <param name="studyInstanceUid"></param>
/// <param name="syntax"></param>
/// <param name="updateContext">The update context to create the study on</param>
/// <returns>A <see cref="StudyStorageLocation"/> instance.</returns>
public StudyStorageLocation GetOrCreateWritableStudyStorageLocation(string studyInstanceUid, string studyDate, TransferSyntax syntax, IUpdateContext updateContext, ServerPartition partition, out bool created)
{
created = false;
StudyStorageLocation location;
try
{
GetWritableStudyStorageLocation(partition.Key, studyInstanceUid, StudyRestore.True,
StudyCache.True, out location);
return(location);
}
catch (StudyNotFoundException)
{
}
FilesystemSelector selector = new FilesystemSelector(Instance);
ServerFilesystemInfo filesystem = selector.SelectFilesystem();
if (filesystem == null)
{
throw new NoWritableFilesystemException();
}
IInsertStudyStorage locInsert = updateContext.GetBroker <IInsertStudyStorage>();
InsertStudyStorageParameters insertParms = new InsertStudyStorageParameters
{
ServerPartitionKey = partition.GetKey(),
StudyInstanceUid = studyInstanceUid,
Folder =
ResolveStorageFolder(partition.Key, studyInstanceUid, studyDate,
updateContext, false
/* set to false for optimization because we are sure it's not in the system */),
FilesystemKey = filesystem.Filesystem.GetKey(),
QueueStudyStateEnum = QueueStudyStateEnum.Idle
};
if (syntax.LosslessCompressed)
{
insertParms.TransferSyntaxUid = syntax.UidString;
insertParms.StudyStatusEnum = StudyStatusEnum.OnlineLossless;
}
else if (syntax.LossyCompressed)
{
insertParms.TransferSyntaxUid = syntax.UidString;
insertParms.StudyStatusEnum = StudyStatusEnum.OnlineLossy;
}
else
{
insertParms.TransferSyntaxUid = syntax.UidString;
insertParms.StudyStatusEnum = StudyStatusEnum.Online;
}
location = locInsert.FindOne(insertParms);
created = true;
return(location);
}
private void ReinventoryFilesystem(Filesystem filesystem)
{
ServerPartition partition;
DirectoryInfo filesystemDir = new DirectoryInfo(filesystem.FilesystemPath);
foreach (DirectoryInfo partitionDir in filesystemDir.GetDirectories())
{
if (GetServerPartition(partitionDir.Name, out partition) == false)
{
continue;
}
foreach (DirectoryInfo dateDir in partitionDir.GetDirectories())
{
if (dateDir.FullName.EndsWith("Deleted", StringComparison.InvariantCultureIgnoreCase) ||
dateDir.FullName.EndsWith(ServerPlatform.ReconcileStorageFolder, StringComparison.InvariantCultureIgnoreCase))
{
continue;
}
List <FileInfo> fileList;
foreach (DirectoryInfo studyDir in dateDir.GetDirectories())
{
if (studyDir.FullName.EndsWith("Deleted", StringComparison.InvariantCultureIgnoreCase))
{
continue;
}
// Check for Cancel message
if (CancelPending)
{
return;
}
String studyInstanceUid = studyDir.Name;
StudyStorageLocation location;
if (GetStudyStorageLocation(partition.Key, studyInstanceUid, out location))
{
#region Study record exists in db
int integrityQueueCount;
int workQueueCount;
Study theStudy = GetStudyAndQueues(location, out integrityQueueCount, out workQueueCount);
if (theStudy != null)
{
continue;
}
if (integrityQueueCount != 0 && workQueueCount != 0)
{
continue;
}
fileList = LoadSopFiles(studyDir, false);
if (fileList.Count == 0)
{
Platform.Log(LogLevel.Warn, "Found empty study folder with StorageLocation, deleteing StorageLocation: {0}\\{1}",
dateDir.Name, studyDir.Name);
studyDir.Delete(true);
RemoveStudyStorage(location);
continue;
}
// WriteLock the new study storage for study processing
if (!location.QueueStudyStateEnum.Equals(QueueStudyStateEnum.ProcessingScheduled))
{
string failureReason;
if (!ServerHelper.LockStudy(location.Key, QueueStudyStateEnum.ProcessingScheduled, out failureReason))
{
Platform.Log(LogLevel.Error, "Unable to lock study {0} for Study Processing", location.StudyInstanceUid);
}
}
#endregion
}
else
{
#region Directory not in DB,
fileList = LoadSopFiles(studyDir, true);
if (fileList.Count == 0)
{
Platform.Log(LogLevel.Warn, "Found empty study folder: {0}\\{1}", dateDir.Name, studyDir.Name);
continue;
}
DicomFile file = LoadFileFromList(fileList);
if (file == null)
{
Platform.Log(LogLevel.Warn, "Found directory with no readable files: {0}\\{1}", dateDir.Name, studyDir.Name);
continue;
}
// Do a second check, using the study instance uid from a file in the directory.
// had an issue with trailing periods on uids causing us to not find the
// study storage, and insert a new record into the database.
studyInstanceUid = file.DataSet[DicomTags.StudyInstanceUid].ToString();
if (GetStudyStorageLocation(partition.Key, studyInstanceUid, out location))
{
continue;
}
StudyStorage storage;
if (GetStudyStorage(partition, studyInstanceUid, out storage))
{
Platform.Log(LogLevel.Warn, "Study {0} on filesystem partition {1} is offline {2}", studyInstanceUid,
partition.Description, studyDir.ToString());
continue;
}
Platform.Log(LogLevel.Info, "Reinventory inserting study storage location for {0} on partition {1}", studyInstanceUid,
partition.Description);
// Insert StudyStorage
using (IUpdateContext update = _store.OpenUpdateContext(UpdateContextSyncMode.Flush))
{
IInsertStudyStorage studyInsert = update.GetBroker <IInsertStudyStorage>();
InsertStudyStorageParameters insertParms = new InsertStudyStorageParameters
{
ServerPartitionKey = partition.GetKey(),
StudyInstanceUid = studyInstanceUid,
Folder = dateDir.Name,
FilesystemKey = filesystem.GetKey(),
QueueStudyStateEnum =
QueueStudyStateEnum.Idle
};
if (file.TransferSyntax.LosslessCompressed)
{
insertParms.TransferSyntaxUid = file.TransferSyntax.UidString;
insertParms.StudyStatusEnum = StudyStatusEnum.OnlineLossless;
}
else if (file.TransferSyntax.LossyCompressed)
{
insertParms.TransferSyntaxUid = file.TransferSyntax.UidString;
insertParms.StudyStatusEnum = StudyStatusEnum.OnlineLossy;
}
else
{
insertParms.TransferSyntaxUid = file.TransferSyntax.UidString;
insertParms.StudyStatusEnum = StudyStatusEnum.Online;
}
location = studyInsert.FindOne(insertParms);
// WriteLock the new study storage for study processing
ILockStudy lockStudy = update.GetBroker <ILockStudy>();
LockStudyParameters lockParms = new LockStudyParameters
{
StudyStorageKey = location.Key,
QueueStudyStateEnum =
QueueStudyStateEnum.ProcessingScheduled
};
if (!lockStudy.Execute(lockParms) || !lockParms.Successful)
{
Platform.Log(LogLevel.Error, "Unable to lock study {0} for Study Processing", location.StudyInstanceUid);
}
update.Commit();
}
#endregion
}
string studyXml = location.GetStudyXmlPath();
if (File.Exists(studyXml))
{
FileUtils.Delete(studyXml);
}
string studyGZipXml = location.GetCompressedStudyXmlPath();
if (File.Exists(studyGZipXml))
{
FileUtils.Delete(studyGZipXml);
}
foreach (FileInfo sopFile in fileList)
{
String sopInstanceUid = sopFile.Name.Replace(sopFile.Extension, string.Empty);
using (ServerExecutionContext context = new ServerExecutionContext())
{
// Just use a read context here, in hopes of improving
// performance. Every other place in the code should use
// Update contexts when doing transactions.
IInsertWorkQueue workQueueInsert =
context.ReadContext.GetBroker <IInsertWorkQueue>();
InsertWorkQueueParameters queueInsertParms =
new InsertWorkQueueParameters
{
WorkQueueTypeEnum = WorkQueueTypeEnum.StudyProcess,
StudyStorageKey = location.GetKey(),
ServerPartitionKey = partition.GetKey(),
SeriesInstanceUid = sopFile.Directory.Name,
SopInstanceUid = sopInstanceUid,
ScheduledTime = Platform.Time
};
if (workQueueInsert.FindOne(queueInsertParms) == null)
{
Platform.Log(LogLevel.Error,
"Failure attempting to insert SOP Instance into WorkQueue during Reinventory.");
}
}
}
}
// Cleanup the date directory, if its empty.
DirectoryUtility.DeleteIfEmpty(dateDir.FullName);
}
}
}