async UniTaskVoid Tick()
{
try
{
Thread.VolatileWrite(ref lastReceived, stopWatch.ElapsedMilliseconds);
while (open)
{
long now = stopWatch.ElapsedMilliseconds;
long received = Thread.VolatileRead(ref lastReceived);
if (now > received + Timeout)
{
break;
}
kcp.Update((uint)now);
uint check = kcp.Check((uint)now);
if (check <= now)
{
check = (uint)(now + 10);
}
#if NETSTANDARD
await UniTask.Delay((int)(check - now));
#else
await Task.Delay((int)(check - now));
#endif
}
}
catch (SocketException)
{
// this is ok, the connection was closed
}
catch (ObjectDisposedException)
{
// fine, socket was closed, no more ticking needed
}
catch (Exception ex)
{
Debug.LogException(ex);
}
finally
{
open = false;
dataAvailable?.TrySetResult();
Close();
}
}
private void SendWithChecksum(byte [] data, int length)
{
// add a CRC64 checksum in the reserved space
ulong crc = Crc64.Compute(data, RESERVED, length - RESERVED);
var encoder = new Encoder(data, 0);
encoder.Encode64U(crc);
RawSend(data, length);
if (kcp.WaitSnd > 1000)
{
Debug.LogWarningFormat("Too many packets waiting in the send queue {0}, you are sending too much data, the transport can't keep up", kcp.WaitSnd);
}
}
