public byte[] ReceiveResponsePacket()
{
int start = Environment.TickCount;
int myTimeout = RECEIVE_RESPONSE_TIMEOUT;
if (!_masterMode)
{
myTimeout = Timeout.Infinite;
}
while (NetworkTpdu.CreateFromBuffer(_receiveBuffer, false) == null && (!_masterMode || Environment.TickCount - start < myTimeout))
{
_receiveBuffer.WaitForByte(myTimeout, false);
}
NetworkTpdu responseTpdu = NetworkTpdu.CreateFromBuffer(_receiveBuffer, true);
if (responseTpdu != null)
{
_log.Debug("Received TPDU: {0}", ByteHelpers.ByteToString(responseTpdu.GetTPDUData()));
}
if (responseTpdu == null)
{
return(null);
}
else
{
return(responseTpdu.GetAPDUData());
}
}
public byte[] ReceiveResponsePacket()
{
int start = Environment.TickCount;
int myTimeout = RECEIVE_RESPONSE_TIMEOUT;
if (!_masterMode)
{
myTimeout = MASTER_RESPONES_TIMEOUT;
}
int waitTimeLeft = -1;
while (NetworkTpdu.CreateFromBuffer(_receiveBuffer, false) == null && (Environment.TickCount - start < myTimeout))
{
if (waitTimeLeft < 1)
{
_receiveBuffer.WaitForByte(myTimeout, false);
}
else
{
_receiveBuffer.WaitForByte(waitTimeLeft, false);
}
/*
* the waitTimeLeft variable is used if one waitForByte call does not wait for the full timeout duration
* Without the waitTimeLeft variable the system would try to wait another full timeout duration instead of
* the time left.
*/
waitTimeLeft = myTimeout - (Environment.TickCount - start);
}
NetworkTpdu responseTpdu = NetworkTpdu.CreateFromBuffer(_receiveBuffer, true);
if (responseTpdu != null)
{
_log.Debug("Received TPDU: {0}", ByteHelpers.ByteToString(responseTpdu.GetTPDUData()));
}
if (responseTpdu == null)
{
throw new ConnectionTimeOutException();
}
else
{
return(responseTpdu.GetAPDUData());
}
}
