public override void Open()
{
this.Handle = SocketFactory.CreateNonBlockingUdpBroadcastSocket();
this.Handle.Bind(local);
IPEndPoint ipEp = new IPEndPoint(IPAddress.Broadcast, ((IPEndPoint)local).Port);
this.Handle.Connect(ipEp);
this.reactor.RegisterHandler(this, EventType.READ_WRITE_EVENT);
}