public CardQProcessor(ICardInterfaceManger cardInterfaceManger, string deviceId)
{
this.deviceId = deviceId;
cancellationTokenForCardInterfaceManager = new CancellationTokenSource();
CardQ = new CardQ(1000);
CardInterfaceManger = cardInterfaceManger;
}
public ApduResponse SendCommand(ApduCommand apduCommand)
{
CardQ.EnqueueToInput(new CardRequest(apduCommand, CardinterfaceServiceRequestEnum.ADPU));
CardResponse response = CardQ.DequeueFromOutput(false); //this will poll indefinetely
return(response.ApduResponse);
}
private async Task StartServicingeQ()
{
//run for as long as card reader is active
while (1 == 1)
{
try
{
CardRequest cardRequest = CardQ.DequeueFromInput(false, true);
if (cardRequest == null) //timeout
{
if (cancellationTokenForCardInterfaceManager.Token.IsCancellationRequested)
{
cancellationTokenForCardInterfaceManager.Dispose();
break;
}
else
{
continue;
}
}
CardResponse response;
try
{
response = new CardResponse(await Transceive(cardRequest.ApduCommand), CardInterfaceServiceResponseEnum.RA);
}
catch
{
ApduResponse apduRes = new ApduResponse();
byte[] dataOut = new byte[] { 0x00, 0x00 };
apduRes.Deserialize(dataOut);
response = new CardResponse(apduRes, CardInterfaceServiceResponseEnum.L1RSP);
}
CardQ.EnqueueToOutput(response);
}
catch (Exception ex)
{
StopServiceQProcess();
OnExceptionOccured(ex);
}
}
}