private void OnConnectionRequestReceived(Packet packet)
{
Monitor.Enter(clients);
IPEndPoint remoteEP = Address.DuplicateEndPoint(packet.IPEndPoint);
int id = clients.GetFirstAvailableId();
if (id < 0 || clients.ContainsEndPoint(remoteEP))
{
Packet rejectedPacket = PacketFactory.GetConnectionRejected();
trafficHandler.SendReliable(rejectedPacket, remoteEP);
}
ushort serverKey = Utility.GetRandomUShort();
UDPClientHandler client =
new UDPClientHandler(id, serverKey, packet.Key, remoteEP, this, trafficHandler);
clients.AddTo(client, id);
Monitor.Exit(clients);
Packet challengePacket = PacketFactory.GetChallenge(id, serverKey);
trafficHandler.SendReliable(challengePacket, remoteEP);
}