this.max_port=max_port; use_reaper=true;
   public ConnectionTableNIO(Receiver r, InetAddress bind_addr, InetAddress external_addr, int srv_port, int max_port   )      throws Exception   {      setReceiver(r);      this.external_addr=external_addr;      this.bind_addr=bind_addr;      this.srv_port=srv_port;      this.max_port=max_port;      use_reaper=true;      start();   }