private byte[] ReceiveResponseBytes(int responseBytesLength)
{
int timeout = _stream.ReadTimeout;
if (WaitUntilAvailable(timeout))
{
_stopwatch.Restart();
int totalReceivedBytes = 0;
var response = new byte[responseBytesLength];
do
{
int receivedBytes = _stream.Read(response, totalReceivedBytes, response.Length - totalReceivedBytes);
totalReceivedBytes += receivedBytes;
if (totalReceivedBytes >= response.Length)
{
break;
}
while ((_stream.Available < 1) && (timeout > _stopwatch.ElapsedMilliseconds))
{
Thread.Sleep(1);
}
} while (timeout > _stopwatch.ElapsedMilliseconds);
_stopwatch.Stop();
return(response);
}
return(null);
}
private int Read(ICommStream stream, byte[] buffer, int offset, int length, int timeout)
{
_stopwatch.Restart();
int totalReceivedBytes = 0;
do
{
int receivedBytes = stream.Read(buffer, offset + totalReceivedBytes, length - totalReceivedBytes);
totalReceivedBytes += receivedBytes;
if (totalReceivedBytes >= length)
{
break;
}
while ((stream.Available < 1) && (timeout > _stopwatch.ElapsedMilliseconds))
{
Thread.Sleep(1);
}
} while (timeout > _stopwatch.ElapsedMilliseconds);
_stopwatch.Stop();
return(totalReceivedBytes);
}
