void RawInput(EndPoint endpoint, byte[] data, int msgLength)
{
// is this a new connection?
if (!connectedClients.TryGetValue(endpoint as IPEndPoint, out KcpServerConnection connection))
{
// very first message from this endpoint.
// lets validate it before we start KCP
if (!Validate(data, msgLength))
{
return;
}
int channel = KcpConnection.GetChannel(data);
// handshake must start in reliable channel
if (channel != Channel.Reliable)
{
return;
}
// fire a separate task for handshake
// that way if the client does not cooperate
// we can continue with other clients
ServerHandshake(endpoint, data, msgLength).Forget();
}
else
{
connection.RawInput(data, msgLength);
}
}
// use same Kcp configuration on server and client
void ConfigureKcpConnection(KcpConnection connection)
{
// NoDelay=false doesn't scale past ~1000 monsters. let's force enable it.
connection.kcp.SetNoDelay(true, 10, 2, true);
// PUMP those numbers up.
// this works for 4k:
//connection.kcp.SetWindowSize(128, 128);
// this works for 10k:
//connection.kcp.SetWindowSize(512, 512);
// this works for 20k:
connection.kcp.SetWindowSize(8192, 8192);
}