/// <summary>
/// Do this before processing the Client Trigger.
/// </summary>
/// <param name="trigger">Trigger message.</param>
public override void BeforeProcessTrigger(Object trigger)
{
// call the base implementation
base.BeforeProcessTrigger(trigger);
// get the next transaction number - needed to sort the
// transactions correctly
_transactionNumber = TransactionNumber.GetNextTransactionNumber();
}
private void LogTransaction()
{
DicomThread dicomThread = (DicomThread)DvtkHighLevelInterface.Common.Threads.Thread.CurrentThread;
if (dicomThread == null)
{
return;
}
if (_currentDicomTransaction == null)
{
return;
}
// get the next transaction number - needed to sort the
// transactions correctly
int transactionNumber = TransactionNumber.GetNextTransactionNumber();
// save the transaction
ActorsTransaction actorsTransaction = new ActorsTransaction(transactionNumber,
ActorName, // from actor
ParentActor.ActorName, // to actor
_currentDicomTransaction,
dicomThread.Options.ResultsFileNameOnly,
dicomThread.Options.ResultsFullFileName,
(uint)dicomThread.NrOfErrors,
(uint)dicomThread.NrOfWarnings);
// save the transaction in the Actor log
ParentActor.ActorsTransactionLog.Add(actorsTransaction);
// publish the transaction event to any interested parties
PublishTransactionAvailableEvent(ActorName, actorsTransaction);
// remove any messages from the dicom thread
dicomThread.ClearMessages();
_currentDicomTransaction = null;
}
private void ProcessTrigger(Hl7Trigger trigger)
{
_hl7Mllp = new Hl7Mllp();
// get the next transaction number - needed to sort the
// transactions correctly
int transactionNumber = TransactionNumber.GetNextTransactionNumber();
System.String message = System.String.Format("HL7 Client thread - connecting to \"{0}\" on port {1}...", _config.ToActorIpAddress, _config.PortNumber);
_hl7ThreadForHl7Client.LogInformation(message);
if (_hl7Mllp.Connect(_config.ToActorIpAddress, _config.PortNumber))
{
Hl7Message hl7RequestMessage = trigger.Trigger;
// Set the sending and receiving applications
hl7RequestMessage.SendingApplication = _config.FromActorAeTitle;
hl7RequestMessage.ReceivingApplication = _config.ToActorAeTitle;
// Add the control id and date/time of message
hl7RequestMessage.MessageControlId = _messageControlId.ToString();
_messageControlId++;
hl7RequestMessage.DateTimeOfMessage = System.DateTime.Now.ToString("yyyyMMddhhmmss", System.Globalization.CultureInfo.InvariantCulture);
// get initial HL7 message delimiters from the config
Hl7MessageDelimiters messageDelimiters = _config.MessageDelimiters;
System.String messageType = hl7RequestMessage.Value(Hl7SegmentEnum.MSH, 9);
_hl7ThreadForHl7Client.LogInformation(System.String.Format("HL7 Client thread - send message \"{0}\".", messageType));
_hl7ThreadForHl7Client.LogInformation(hl7RequestMessage.ToString(messageDelimiters));
if (_hl7Mllp.SendMessage(hl7RequestMessage, messageDelimiters) == true)
{
Hl7Message hl7ResponseMessage = _hl7Mllp.ReceiveMessage(out messageDelimiters);
if (hl7ResponseMessage != null)
{
messageType = hl7ResponseMessage.Value(Hl7SegmentEnum.MSH, 9);
_hl7ThreadForHl7Client.LogInformation(System.String.Format("HL7 Client thread - received message \"{0}\".", messageType));
_hl7ThreadForHl7Client.LogInformation(hl7ResponseMessage.ToString(messageDelimiters));
// Validate the message
if (_config.AutoValidate == true)
{
ValidateMessage(hl7ResponseMessage, messageDelimiters);
}
// save the transaction
Hl7Transaction transaction = new Hl7Transaction(TransactionNameEnum.RAD_1, TransactionDirectionEnum.TransactionSent);
transaction.Request = hl7RequestMessage;
transaction.Response = hl7ResponseMessage;
ActorsTransaction actorsTransaction = new ActorsTransaction(transactionNumber,
ActorName, // from actor
ParentActor.ActorName, // to actor
transaction,
_hl7ThreadForHl7Client.Options.ResultsFileNameOnly,
_hl7ThreadForHl7Client.Options.ResultsFullFileName,
(uint)_hl7ThreadForHl7Client.NrErrors,
(uint)_hl7ThreadForHl7Client.NrWarnings);
// save the transaction in the Actor log
ParentActor.ActorsTransactionLog.Add(actorsTransaction);
// publish the transaction event to any interested parties
PublishTransactionAvailableEvent(ActorName, actorsTransaction);
}
}
_hl7Mllp.Stop();
_hl7ThreadForHl7Client.StopResultsGathering();
_hl7ThreadForHl7Client.StartResultsGathering();
}
if (_awaitCompletion == true)
{
_semaphore.Signal();
}
}
/// <summary>
/// Process Hl7 requests and responses.
/// </summary>
public void ProcessMessages()
{
_hl7Mllp = new Hl7Mllp();
for (;;)
{
System.String message = System.String.Format("Listening for incoming HL7 connection on port {0}...", _config.PortNumber);
_hl7ThreadForHl7Server.LogInformation(message);
try
{
// listen for a connection
_hl7Mllp.Listen(_config.PortNumber);
for (;;)
{
// accept the connection - only one at a time
_hl7Mllp.Accept();
// the message delimiters will be filled in by the ReceiveMessage method
Hl7MessageDelimiters messageDelimiters = null;
// receive an HL7 message
Hl7Message hl7RequestMessage = _hl7Mllp.ReceiveMessage(out messageDelimiters);
if (hl7RequestMessage != null)
{
System.String messageType = hl7RequestMessage.Value(Hl7SegmentEnum.MSH, 9);
message = System.String.Format("HL7 Server thread - received message \"{0}\".", messageType);
_hl7ThreadForHl7Server.LogInformation(message);
_hl7ThreadForHl7Server.LogInformation(hl7RequestMessage.ToString(messageDelimiters));
// Validate the message
if (_config.AutoValidate == true)
{
ValidateMessage(hl7RequestMessage, messageDelimiters);
}
// call the message handler to get a response
Hl7Message hl7ResponseMessage = MessageHandler(hl7RequestMessage);
// copy some fields from the request
hl7ResponseMessage.SendingApplication = hl7RequestMessage.ReceivingApplication;
hl7ResponseMessage.SendingFacility = hl7RequestMessage.ReceivingFacility;
hl7ResponseMessage.ReceivingApplication = hl7RequestMessage.SendingApplication;
hl7ResponseMessage.ReceivingFacility = hl7RequestMessage.SendingFacility;
hl7ResponseMessage.MessageControlId = hl7RequestMessage.MessageControlId;
// set the date/time of message
hl7ResponseMessage.DateTimeOfMessage = System.DateTime.Now.ToString("yyyyMMddhhmmss", System.Globalization.CultureInfo.InvariantCulture);
// send the response
_hl7Mllp.SendMessage(hl7ResponseMessage, messageDelimiters);
messageType = hl7ResponseMessage.Value(Hl7SegmentEnum.MSH, 9);
message = System.String.Format("HL7 Server thread - sent message \"{0}\".", messageType);
_hl7ThreadForHl7Server.LogInformation(message);
_hl7ThreadForHl7Server.LogInformation(hl7ResponseMessage.ToString(messageDelimiters));
// get the next transaction number - needed to sort the
// transactions correctly
int transactionNumber = TransactionNumber.GetNextTransactionNumber();
// save the transaction
Hl7Transaction transaction = new Hl7Transaction(TransactionNameEnum.RAD_1, TransactionDirectionEnum.TransactionReceived);
transaction.Request = hl7RequestMessage;
transaction.Response = hl7ResponseMessage;
_hl7ThreadForHl7Server.LogInformation(String.Format("{0} - received Hl7 event from {1}", ParentActor.ActorName, ActorName));
ActorsTransaction actorsTransaction = new ActorsTransaction(transactionNumber,
ActorName, // from actor
ParentActor.ActorName, // to actor
transaction,
_hl7ThreadForHl7Server.Options.ResultsFileNameOnly,
_hl7ThreadForHl7Server.Options.ResultsFullFileName,
(uint)_hl7ThreadForHl7Server.NrErrors,
(uint)_hl7ThreadForHl7Server.NrWarnings);
// save the transaction in the Actor log
ParentActor.ActorsTransactionLog.Add(actorsTransaction);
// publish the transaction event to any interested parties
PublishTransactionAvailableEvent(ActorName, actorsTransaction);
}
_hl7Mllp.Close();
_hl7ThreadForHl7Server.StopResultsGathering();
_hl7ThreadForHl7Server.StartResultsGathering();
}
}
catch
{
// System.Net.Sockets.Socket.Accept() exception thrown when the server is stopped by closing the listen socket.
break;
}
}
}