/// <summary>
/// Handle an HL7 Transation from the given Actor Name.
/// </summary>
/// <param name="actorName">Source Actor Name.</param>
/// <param name="hl7Transaction">HL7 Transaction.</param>
protected override void HandleTransactionFrom(ActorName actorName, Hl7Transaction hl7Transaction)
{
switch (actorName.Type)
{
case ActorTypeEnum.AdtPatientRegistration:
// received Patient Registration [RAD-1] or
// received Patient Update [RAD-12]
break;
case ActorTypeEnum.DssOrderFiller:
// received Filler Order Management [RAD-3] or
// received Appointment Notification [RAD-48]
break;
default:
break;
}
}
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;
}
}
}
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>
/// Handle an HL7 Transation from the given Actor Name.
/// </summary>
/// <param name="actorName">Source Actor Name.</param>
/// <param name="hl7Transaction">HL7 Transaction.</param>
protected virtual void HandleTransactionFrom(ActorName actorName, Hl7Transaction hl7Transaction)
{
}
/// <summary>
/// Handle an HL7 Transation from the given Actor Name.
/// </summary>
/// <param name="actorName">Source Actor Name.</param>
/// <param name="hl7Transaction">HL7 Transaction.</param>
protected override void HandleTransactionFrom(ActorName actorName, Hl7Transaction hl7Transaction)
{
Hl7Message request = hl7Transaction.Request;
switch (actorName.Type)
{
case ActorTypeEnum.AdtPatientRegistration:
// received Patient Registration [RAD-1] or
// received Patient Update [RAD-12]
if (request.MessageType == "ADT")
{
switch(request.MessageSubType)
{
case "A01" :
{
// HandlePatientRegistration(request);
}
break;
case "A08" :
{
HandlePatientUpdate(request);
// Generate trigger
Hl7Trigger trigger = new Hl7Trigger(TransactionNameEnum.RAD_12);
trigger.Trigger = request;
// RAD-12 - trigger the ImageManager
bool triggerResult = TriggerActorInstances(ActorTypeEnum.ImageManager, trigger, false);
}
break;
case "A40" :
{
HandlePatientMerge(request);
// Generate trigger
Hl7Trigger trigger = new Hl7Trigger(TransactionNameEnum.RAD_12);
trigger.Trigger = request;
// RAD-12 - trigger the ImageManager
bool triggerResult = TriggerActorInstances(ActorTypeEnum.ImageManager, trigger, false);
}
break;
}
}
break;
case ActorTypeEnum.OrderPlacer:
// received Placer Order Management [RAD-2]
if (request.MessageType == "ORM")
{
switch(request.MessageSubType)
{
case "O01" :
HandlePlacerOrderManagement(request);
break;
}
}
break;
default:
break;
}
}
/// <summary>
/// Handle an HL7 Transation from the given Actor Name.
/// </summary>
/// <param name="actorName">Source Actor Name.</param>
/// <param name="hl7Transaction">HL7 Transaction.</param>
protected override void HandleTransactionFrom(ActorName actorName, Hl7Transaction hl7Transaction)
{
Hl7Message request = hl7Transaction.Request;
switch (actorName.Type)
{
case ActorTypeEnum.DssOrderFiller:
// received Procedure Scheduled [RAD-4] or
// received Patient Update [Rad-12] or
// received Procedure Updated [RAD-13]
UpdateImageArchiveActor(request);
break;
default:
break;
}
}
/// <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;
}
}
}