/// <summary>
/// Process a <see cref="WorkQueue"/> item of type AutoRoute.
/// </summary>
protected override void ProcessItem(Model.WorkQueue item)
{
if (WorkQueueItem.ScheduledTime >= WorkQueueItem.ExpirationTime && !HasPendingItems)
{
Platform.Log(LogLevel.Debug, "Removing Idle {0} entry : {1}", item.WorkQueueTypeEnum, item.GetKey().Key);
base.PostProcessing(item, WorkQueueProcessorStatus.Complete, WorkQueueProcessorDatabaseUpdate.None);
return;
}
if (!HasPendingItems)
{
// nothing to process, change to idle state
PostProcessing(item, WorkQueueProcessorStatus.Idle, WorkQueueProcessorDatabaseUpdate.None);
return;
}
Platform.Log(LogLevel.Info,
"Moving study {0} for Patient {1} (PatientId:{2} A#:{3}) on Partition {4} to {5}...",
Study.StudyInstanceUid, Study.PatientsName, Study.PatientId, Study.AccessionNumber,
ServerPartition.Description, DestinationDevice.AeTitle);
// Load remote device information from the database.
Device device = DestinationDevice;
if (device == null)
{
item.FailureDescription = String.Format("Unknown auto-route destination \"{0}\"", item.DeviceKey);
Platform.Log(LogLevel.Error, item.FailureDescription);
PostProcessingFailure(item, WorkQueueProcessorFailureType.Fatal); // Fatal Error
return;
}
if (device.Dhcp && device.IpAddress.Length == 0)
{
item.FailureDescription = String.Format("Auto-route destination is a DHCP device with no known IP address: \"{0}\"", device.AeTitle);
Platform.Log(LogLevel.Error,
item.FailureDescription);
PostProcessingFailure(item, WorkQueueProcessorFailureType.Fatal); // Fatal error
return;
}
// Now setup the StorageSCU component
int sendCounter = 0;
using (ImageServerStorageScu scu = new ImageServerStorageScu(ServerPartition, device))
{
using (ServerExecutionContext context = new ServerExecutionContext())
// set the preferred syntax lists
scu.LoadPreferredSyntaxes(context.ReadContext);
// Load the Instances to Send into the SCU component
scu.AddStorageInstanceList(InstanceList);
// Set an event to be called when each image is transferred
scu.ImageStoreCompleted += delegate(Object sender, StorageInstance instance)
{
if (instance.SendStatus.Status == DicomState.Success
|| instance.SendStatus.Status == DicomState.Warning
|| instance.SendStatus.Equals(DicomStatuses.SOPClassNotSupported))
{
sendCounter++;
OnInstanceSent(instance);
}
if (instance.SendStatus.Status == DicomState.Failure)
{
scu.FailureDescription = instance.SendStatus.Description;
if (false == String.IsNullOrEmpty(instance.ExtendedFailureDescription))
{
scu.FailureDescription = String.Format("{0} [{1}]", scu.FailureDescription,
instance.ExtendedFailureDescription);
}
}
if (CancelPending && !(this is WebMoveStudyItemProcessor) && !scu.Canceled)
{
Platform.Log(LogLevel.Info, "Auto-route canceled due to shutdown for study: {0}",
StorageLocation.StudyInstanceUid);
item.FailureDescription = "Operation was canceled due to server shutdown request.";
scu.Cancel();
}
};
try
{
// Block until send is complete
scu.Send();
// Join for the thread to exit
scu.Join();
}
catch (Exception ex)
{
Platform.Log(LogLevel.Error, ex, "Error occurs while sending images to {0} : {1}", device.AeTitle, ex.Message);
}
finally
{
if (scu.FailureDescription.Length > 0)
{
item.FailureDescription = scu.FailureDescription;
scu.Status = ScuOperationStatus.Failed;
}
// Reset the WorkQueue entry status
if ((InstanceList.Count > 0 && sendCounter != InstanceList.Count) // not all sop were sent
|| scu.Status == ScuOperationStatus.Failed
|| scu.Status == ScuOperationStatus.ConnectFailed)
{
PostProcessingFailure(item, WorkQueueProcessorFailureType.NonFatal); // failures occurred}
}
else
{
OnComplete();
}
}
}
}
/// <summary>
/// Main routine for processing C-MOVE-RQ messages. Called by the <see cref="DicomScp{DicomScpParameters}"/> component.
/// </summary>
/// <param name="server"></param>
/// <param name="association"></param>
/// <param name="presentationId"></param>
/// <param name="message"></param>
/// <returns></returns>
public override bool OnReceiveRequest(DicomServer server, ServerAssociationParameters association, byte presentationId, DicomMessage message)
{
bool finalResponseSent = false;
string errorComment;
try
{
// Check for a Cancel message, and cancel the SCU.
if (message.CommandField == DicomCommandField.CCancelRequest)
{
if (_theScu != null)
{
_theScu.Cancel();
}
return(true);
}
// Get the level of the Move.
String level = message.DataSet[DicomTags.QueryRetrieveLevel].GetString(0, "");
// Trim the remote AE, see extra spaces at the end before which has caused problems
string remoteAe = message.MoveDestination.Trim();
// Open a DB Connection
using (IReadContext read = _store.OpenReadContext())
{
// Load remote device information fromt he database.
Device device = LoadRemoteHost(read, Partition, remoteAe);
if (device == null)
{
errorComment = string.Format(
"Unknown move destination \"{0}\", failing C-MOVE-RQ from {1} to {2}",
remoteAe, association.CallingAE, association.CalledAE);
Platform.Log(LogLevel.Error, errorComment);
server.SendCMoveResponse(presentationId, message.MessageId, new DicomMessage(),
DicomStatuses.QueryRetrieveMoveDestinationUnknown, errorComment);
finalResponseSent = true;
return(true);
}
// If the remote node is a DHCP node, use its IP address from the connection information, else
// use what is configured. Always use the configured port.
if (device.Dhcp)
{
device.IpAddress = association.RemoteEndPoint.Address.ToString();
}
// Now setup the StorageSCU component
_theScu = new ImageServerStorageScu(Partition, device,
association.CallingAE, message.MessageId);
// Now create the list of SOPs to send
bool bOnline;
if (level.Equals("PATIENT"))
{
bOnline = GetSopListForPatient(read, message, out errorComment);
}
else if (level.Equals("STUDY"))
{
bOnline = GetSopListForStudy(message, out errorComment);
}
else if (level.Equals("SERIES"))
{
bOnline = GetSopListForSeries(read, message, out errorComment);
}
else if (level.Equals("IMAGE"))
{
bOnline = GetSopListForSop(message, out errorComment);
}
else
{
errorComment = string.Format("Unexpected Study Root Move Query/Retrieve level: {0}", level);
Platform.Log(LogLevel.Error, errorComment);
server.SendCMoveResponse(presentationId, message.MessageId, new DicomMessage(),
DicomStatuses.QueryRetrieveIdentifierDoesNotMatchSOPClass,
errorComment);
finalResponseSent = true;
return(true);
}
// Could not find an online/readable location for the requested objects to move.
// Note that if the C-MOVE-RQ included a list of study instance uids, and some
// were online and some offline, we don't fail now (ie, the check on the Count)
if (!bOnline && _theScu.StorageInstanceList.Count == 0)
{
Platform.Log(LogLevel.Error, "Unable to find online storage location for C-MOVE-RQ: {0}", errorComment);
server.SendCMoveResponse(presentationId, message.MessageId, new DicomMessage(),
DicomStatuses.QueryRetrieveUnableToPerformSuboperations,
string.IsNullOrEmpty(errorComment) ? string.Empty : errorComment);
finalResponseSent = true;
_theScu.Dispose();
_theScu = null;
return(true);
}
// No files were eligible for transfer, just send success and return
if (_theScu.StorageInstanceList.Count == 0)
{
server.SendCMoveResponse(presentationId, message.MessageId, new DicomMessage(),
DicomStatuses.Success,
0, 0, 0, 0);
finalResponseSent = true;
_theScu.Dispose();
_theScu = null;
return(true);
}
// set the preferred syntax lists
_theScu.LoadPreferredSyntaxes(read);
_theScu.ImageStoreCompleted += delegate(Object sender, StorageInstance instance)
{
var scu = (StorageScu)sender;
var msg = new DicomMessage();
DicomStatus status;
if (instance.SendStatus.Status == DicomState.Failure)
{
errorComment =
string.IsNullOrEmpty(instance.ExtendedFailureDescription)
? instance.SendStatus.ToString()
: instance.ExtendedFailureDescription;
}
if (scu.RemainingSubOperations == 0)
{
foreach (StorageInstance sop in _theScu.StorageInstanceList)
{
if ((sop.SendStatus.Status != DicomState.Success) &&
(sop.SendStatus.Status != DicomState.Warning))
{
msg.DataSet[DicomTags.FailedSopInstanceUidList].AppendString(sop.SopInstanceUid);
}
}
if (scu.Status == ScuOperationStatus.Canceled)
{
status = DicomStatuses.Cancel;
}
else if (scu.Status == ScuOperationStatus.ConnectFailed)
{
status = DicomStatuses.QueryRetrieveMoveDestinationUnknown;
}
else if (scu.FailureSubOperations > 0)
{
status = DicomStatuses.QueryRetrieveSubOpsOneOrMoreFailures;
}
else if (!bOnline)
{
status = DicomStatuses.QueryRetrieveUnableToPerformSuboperations;
}
else
{
status = DicomStatuses.Success;
}
}
else
{
status = DicomStatuses.Pending;
if ((scu.RemainingSubOperations % 5) != 0)
{
return;
}
// Only send a RSP every 5 to reduce network load
}
server.SendCMoveResponse(presentationId, message.MessageId,
msg, status,
(ushort)scu.SuccessSubOperations,
(ushort)scu.RemainingSubOperations,
(ushort)scu.FailureSubOperations,
(ushort)scu.WarningSubOperations,
status == DicomStatuses.QueryRetrieveSubOpsOneOrMoreFailures
? errorComment
: string.Empty);
if (scu.RemainingSubOperations == 0)
{
finalResponseSent = true;
}
};
_theScu.AssociationAccepted +=
(sender, parms) => AssociationAuditLogger.BeginInstancesTransferAuditLogger(
_theScu.StorageInstanceList,
parms);
_theScu.BeginSend(
delegate(IAsyncResult ar)
{
if (_theScu != null)
{
if (!finalResponseSent)
{
var msg = new DicomMessage();
server.SendCMoveResponse(presentationId, message.MessageId,
msg, DicomStatuses.QueryRetrieveSubOpsOneOrMoreFailures,
(ushort)_theScu.SuccessSubOperations,
0,
(ushort)(_theScu.FailureSubOperations + _theScu.RemainingSubOperations),
(ushort)_theScu.WarningSubOperations, errorComment);
finalResponseSent = true;
}
_theScu.EndSend(ar);
_theScu.Dispose();
_theScu = null;
}
},
_theScu);
return(true);
} // end using()
}
catch (Exception e)
{
Platform.Log(LogLevel.Error, e, "Unexpected exception when processing C-MOVE-RQ");
if (finalResponseSent == false)
{
try
{
server.SendCMoveResponse(presentationId, message.MessageId, new DicomMessage(),
DicomStatuses.QueryRetrieveUnableToProcess, e.Message);
finalResponseSent = true;
}
catch (Exception x)
{
Platform.Log(LogLevel.Error, x,
"Unable to send final C-MOVE-RSP message on association from {0} to {1}",
association.CallingAE, association.CalledAE);
server.Abort();
}
}
}
return(false);
}
/// <summary>
/// Main routine for processing C-MOVE-RQ messages. Called by the <see cref="DicomScp{DicomScpParameters}"/> component.
/// </summary>
/// <param name="server"></param>
/// <param name="association"></param>
/// <param name="presentationId"></param>
/// <param name="message"></param>
/// <returns></returns>
public override bool OnReceiveRequest(DicomServer server, ServerAssociationParameters association, byte presentationId, DicomMessage message)
{
bool finalResponseSent = false;
string errorComment;
try
{
// Check for a Cancel message, and cancel the SCU.
if (message.CommandField == DicomCommandField.CCancelRequest)
{
if (_theScu != null)
{
_theScu.Cancel();
}
return true;
}
// Get the level of the Move.
String level = message.DataSet[DicomTags.QueryRetrieveLevel].GetString(0, "");
// Trim the remote AE, see extra spaces at the end before which has caused problems
string remoteAe = message.MoveDestination.Trim();
// Open a DB Connection
using (IReadContext read = _store.OpenReadContext())
{
// Load remote device information fromt he database.
Device device = LoadRemoteHost(read, Partition, remoteAe);
if (device == null)
{
errorComment = string.Format(
"Unknown move destination \"{0}\", failing C-MOVE-RQ from {1} to {2}",
remoteAe, association.CallingAE, association.CalledAE);
Platform.Log(LogLevel.Error, errorComment);
server.SendCMoveResponse(presentationId, message.MessageId, new DicomMessage(),
DicomStatuses.QueryRetrieveMoveDestinationUnknown, errorComment);
finalResponseSent = true;
return true;
}
// If the remote node is a DHCP node, use its IP address from the connection information, else
// use what is configured. Always use the configured port.
if (device.Dhcp)
device.IpAddress = association.RemoteEndPoint.Address.ToString();
// Now setup the StorageSCU component
_theScu = new ImageServerStorageScu(Partition, device,
association.CallingAE, message.MessageId);
// Now create the list of SOPs to send
bool bOnline;
if (level.Equals("PATIENT"))
{
bOnline = GetSopListForPatient(read, message, out errorComment);
}
else if (level.Equals("STUDY"))
{
bOnline = GetSopListForStudy(message, out errorComment);
}
else if (level.Equals("SERIES"))
{
bOnline = GetSopListForSeries(read, message, out errorComment);
}
else if (level.Equals("IMAGE"))
{
bOnline = GetSopListForSop(message, out errorComment);
}
else
{
errorComment = string.Format("Unexpected Study Root Move Query/Retrieve level: {0}", level);
Platform.Log(LogLevel.Error, errorComment);
server.SendCMoveResponse(presentationId, message.MessageId, new DicomMessage(),
DicomStatuses.QueryRetrieveIdentifierDoesNotMatchSOPClass,
errorComment);
finalResponseSent = true;
return true;
}
// Could not find an online/readable location for the requested objects to move.
// Note that if the C-MOVE-RQ included a list of study instance uids, and some
// were online and some offline, we don't fail now (ie, the check on the Count)
if (!bOnline && _theScu.StorageInstanceList.Count == 0)
{
Platform.Log(LogLevel.Error, "Unable to find online storage location for C-MOVE-RQ: {0}", errorComment);
server.SendCMoveResponse(presentationId, message.MessageId, new DicomMessage(),
DicomStatuses.QueryRetrieveUnableToPerformSuboperations,
string.IsNullOrEmpty(errorComment) ? string.Empty : errorComment);
finalResponseSent = true;
_theScu.Dispose();
_theScu = null;
return true;
}
// No files were eligible for transfer, just send success and return
if (_theScu.StorageInstanceList.Count == 0)
{
server.SendCMoveResponse(presentationId, message.MessageId, new DicomMessage(),
DicomStatuses.Success,
0, 0, 0, 0);
finalResponseSent = true;
_theScu.Dispose();
_theScu = null;
return true;
}
// set the preferred syntax lists
_theScu.LoadPreferredSyntaxes(read);
_theScu.ImageStoreCompleted += (sender, e) =>
{
var scu = (StorageScu) sender;
var msg = new DicomMessage();
var instance = e.StorageInstance;
DicomStatus status;
if (instance.SendStatus.Status == DicomState.Failure)
{
errorComment =
string.IsNullOrEmpty(instance.ExtendedFailureDescription)
? instance.SendStatus.ToString()
: instance.ExtendedFailureDescription;
}
if (scu.RemainingSubOperations == 0)
{
foreach (StorageInstance sop in _theScu.StorageInstanceList)
{
if ((sop.SendStatus.Status != DicomState.Success)
&& (sop.SendStatus.Status != DicomState.Warning))
msg.DataSet[DicomTags.FailedSopInstanceUidList].AppendString(sop.SopInstanceUid);
}
if (scu.Status == ScuOperationStatus.Canceled)
status = DicomStatuses.Cancel;
else if (scu.Status == ScuOperationStatus.ConnectFailed)
status = DicomStatuses.QueryRetrieveMoveDestinationUnknown;
else if (scu.FailureSubOperations > 0)
status = DicomStatuses.QueryRetrieveSubOpsOneOrMoreFailures;
else if (!bOnline)
status = DicomStatuses.QueryRetrieveUnableToPerformSuboperations;
else
status = DicomStatuses.Success;
}
else
{
status = DicomStatuses.Pending;
if ((scu.RemainingSubOperations%5) != 0)
return;
// Only send a RSP every 5 to reduce network load
}
server.SendCMoveResponse(presentationId, message.MessageId,
msg, status,
(ushort) scu.SuccessSubOperations,
(ushort) scu.RemainingSubOperations,
(ushort) scu.FailureSubOperations,
(ushort) scu.WarningSubOperations,
status == DicomStatuses.QueryRetrieveSubOpsOneOrMoreFailures
? errorComment
: string.Empty);
if (scu.RemainingSubOperations == 0)
finalResponseSent = true;
};
_theScu.AssociationAccepted +=
(sender, parms) => AssociationAuditLogger.BeginInstancesTransferAuditLogger(
_theScu.StorageInstanceList,
parms);
_theScu.BeginSend(
delegate(IAsyncResult ar)
{
if (_theScu != null)
{
if (!finalResponseSent)
{
var msg = new DicomMessage();
server.SendCMoveResponse(presentationId, message.MessageId,
msg, DicomStatuses.QueryRetrieveSubOpsOneOrMoreFailures,
(ushort) _theScu.SuccessSubOperations,
0,
(ushort) (_theScu.FailureSubOperations + _theScu.RemainingSubOperations),
(ushort) _theScu.WarningSubOperations, errorComment);
finalResponseSent = true;
}
_theScu.EndSend(ar);
_theScu.Dispose();
_theScu = null;
}
},
_theScu);
return true;
} // end using()
}
catch (Exception e)
{
Platform.Log(LogLevel.Error,e,"Unexpected exception when processing C-MOVE-RQ");
if (finalResponseSent == false)
{
try
{
server.SendCMoveResponse(presentationId, message.MessageId, new DicomMessage(),
DicomStatuses.QueryRetrieveUnableToProcess, e.Message);
finalResponseSent = true;
}
catch (Exception x)
{
Platform.Log(LogLevel.Error, x,
"Unable to send final C-MOVE-RSP message on association from {0} to {1}",
association.CallingAE, association.CalledAE);
server.Abort();
}
}
}
return false;
}