private static void AddIps(UdpItem item, UdpListener udp, ulong time)
        {
            UdpPacketReader packet = new UdpPacketReader(item.Data);
            ushort          port   = packet;
            UdpNode         node   = UdpNodeManager.Find(x => x.IP.Equals(((IPEndPoint)item.EndPoint).Address));

            if (node != null)
            {
                node.Port = port;
            }
            else
            {
                UdpNodeManager.Add(item.EndPoint);
            }

            while (packet.Remaining > 5)
            {
                UdpNode n = new UdpNode();
                n.IP   = packet;
                n.Port = packet;
                UdpNodeManager.Add(n);
            }

            udp.SendDatagram(new UdpItem
            {
                Data     = UdpOutbound.AckIps(((IPEndPoint)item.EndPoint).Address, time),
                EndPoint = item.EndPoint,
                Msg      = UdpMsg.OP_SERVERLIST_ACKIPS
            });
        }
        private static void CheckFirewallBusy(UdpItem item, UdpListener udp, ulong time)
        {
            UdpPacketReader packet = new UdpPacketReader(item.Data);
            ushort          port   = packet;

            while (packet.Remaining > 5)
            {
                UdpNode n = new UdpNode();
                n.IP   = packet;
                n.Port = packet;
                UdpNodeManager.Add(n);
            }
        }
        private static void AckIps(UdpItem item, UdpListener udp, ulong time)
        {
            UdpStats.ACKIPS++;
            UdpPacketReader packet = new UdpPacketReader(item.Data);
            ushort          port   = packet;
            UdpNode         node   = UdpNodeManager.Find(x => x.IP.Equals(((IPEndPoint)item.EndPoint).Address));

            if (node != null)
            {
                node.Port = port;
                node.Ack++;
                node.LastConnect = time;
                node.Try         = 0;
            }

            while (packet.Remaining > 5)
            {
                UdpNode n = new UdpNode();
                n.IP   = packet;
                n.Port = packet;
                UdpNodeManager.Add(n);
            }
        }