public UdpStream Acquire()
{
UdpStream stream = null;
lock (pool) {
if (pool.Count > 0)
{
stream = pool.Pop();
}
}
if (stream == null)
{
stream = new UdpStream(new byte[socket.Config.PacketSize * 2]);
stream.Pool = this;
}
UdpAssert.Assert(stream.IsPooled);
stream.IsPooled = false;
stream.Position = 0;
stream.Size = (socket.Config.PacketSize - UdpMath.BytesRequired(UdpSocket.HeaderBitSize)) << 3;
return(stream);
}
bool SendStream(UdpStream stream, UdpHandle handle, bool expandToMtu)
{
int bytesToSend = UdpMath.BytesRequired(stream.Ptr);
if (bytesToSend < mtu && expandToMtu)
{
bytesToSend = mtu;
}
sendTime = handle.SendTime;
sendSequence = handle.ObjSequence;
sendWindow.Enqueue(handle);
recvSinceLastSend = 0;
return(socket.Send(endpoint, stream.Data, bytesToSend));
}
void SendRefusedCommand(UdpEndPoint endpoint)
{
UdpStream stream = GetWriteStream(Config.PacketSize << 3, HeaderBitSize);
stream.WriteByte((byte)UdpCommandType.Refused, 8);
UdpHeader header = new UdpHeader();
header.IsObject = false;
header.AckHistory = 0;
header.AckSequence = 1;
header.ObjSequence = 1;
header.Now = 0;
header.Pack(stream, this);
if (Send(endpoint, stream.Data, UdpMath.BytesRequired(stream.Ptr)) == false)
{
// do something here?
}
}
void SendRefusedCommand(UdpEndPoint endpoint)
{
UdpBitStream stream = new UdpBitStream(GetWriteBuffer(), Config.DefaultMtu, UdpHeader.GetSize(this));
stream.WriteByte((byte)UdpCommandType.Refused, 8);
UdpHeader header = new UdpHeader();
header.IsObject = false;
header.AckHistory = 0;
header.AckSequence = 1;
header.ObjSequence = 1;
header.Now = 0;
header.Pack(new UdpBitStream(stream.Data, Config.DefaultMtu, 0), this);
if (Send(endpoint, stream.Data, UdpMath.BytesRequired(stream.Ptr)) == false)
{
// do something here?
}
}