private void OnNPDUReceived(IPEndPoint from, Address fromAddress, OctetString linkService, NPDU npdu, ByteStream raw)
{
try
{
APDU.APDU apdu = APDU.APDU.Parse(raw);
incomingApdu(apdu, fromAddress, linkService);
// TODO return APDU.createAPDU(servicesSupported, queue);
}
catch (System.Exception e)
{
// If it's already a BACnetException, don't bother wrapping it.
//throw e;
Debug.Print(e.Message);
Debug.Print(e.StackTrace);
}
/*if (inBuffer.Length > 20)
* {
* string result = printRouterInfo(inBuffer);
* Debug.Print("Sending> " + result);
*
* using (
* Socket clientSocket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram,
* ProtocolType.Udp))
* {
* //EndPoint remoteEP = new IPEndPoint(IPAddress.Parse("192.168.0.14"), 55056);
* byte[] messageBytes = Encoding.UTF8.GetBytes(result);
* clientSocket.SendTo(messageBytes, remoteEndPoint);
* }
*
* }
* else
* {
* string message = new string(Encoding.UTF8.GetChars(inBuffer));
* Debug.Print("Received> " + message);
* }*/
}
private void incomingApdu(APDU.APDU apdu, Address address, OctetString linkService)
{
// if (apdu.expectsReply() != npci.isExpectingReply())
// throw new MessageValidationAssertionException("Inconsistent message: APDU expectsReply="+
// apdu.expectsReply() +" while NPCI isExpectingReply="+ npci.isExpectingReply());
if (apdu is ConfirmedRequest)
{
ConfirmedRequest confAPDU = (ConfirmedRequest)apdu;
byte invokeId = confAPDU.InvokeId;
if (confAPDU.IsSegmentedMessage && confAPDU.SequenceNumber > 0)
{
// This is a subsequent part of a segmented message. Notify the waiting room.
// TODO waitingRoom.notifyMember(address, linkService, invokeId, false, confAPDU);
}
else
{
if (confAPDU.IsSegmentedMessage)
{
// This is the initial part of a segmented message. Go and receive the subsequent parts.
/*WaitingRoomKey key = waitingRoom.enterServer(address, linkService, invokeId);
* try
* {
* receiveSegmented(key, confAPDU);
* }
* finally
* {
* waitingRoom.leave(key);
* }*/
}
// Handle the request.
try
{
confAPDU.ParseServiceData();
/*if (localDevice.getDCCEnableDisable().equals(EnableDisable.disable))
* {
* // zpracovavame jenom reset a DCC
* // povoleni probiha v handleru DCC
* if (!(confAPDU.getServiceRequest() is DeviceCommunicationControlRequest ||
* confAPDU.getServiceRequest() is ReinitializeDeviceRequest))
* {
* //throw new BACnetException("Communication blocked by DCC.");
* return;
* }
* else
* {
* Debug.Print("DCC/Reinitialize received");
* }
* }*/
ConfirmedRequestReceived?.Invoke(address, linkService, invokeId, confAPDU); // EVENT
// TODO Move Handlers to LocalDevice
}
catch (BACnetErrorException e)
{
network.sendAPDU(address, linkService, new Error(invokeId, e.Error), false);
}
catch (BACnetRejectException e)
{
network.sendAPDU(address, linkService, new Reject(invokeId, e.RejectReason), false);
}
catch (BACnetException e)
{
Error error = new Error(confAPDU.InvokeId,
new BaseError((byte)127,
new BACnetError(ErrorClass.Services, ErrorCode.InconsistentParameters)));
network.sendAPDU(address, linkService, error, false);
// TODO ExceptionDispatch.fireReceivedException(e);
}
}
}
else if (apdu is UnconfirmedRequest)
{
//DCC - reakce na prichozi zpravy - blokujeme vsechny Unconfirmed
/* TODO if (localDevice.getDCCEnableDisable().equals(EnableDisable.disable))
* {
* return;
* }*/
UnconfirmedRequestReceived?.Invoke(address, linkService, (UnconfirmedRequest)apdu);
}
else
{
// An acknowledgement.
AckAPDU ack = (AckAPDU)apdu;
// Used for testing only. This is required to test the parsing of service data in an ack.
// ((ComplexACK) ack).parseServiceData();
//waitingRoom.notifyMember(address, linkService, ack.getOriginalInvokeId(), ack.isServer(), ack);
}
}