stop method

void stop()

Implementation

void stop() {
  sendBroadcastIPv4PeriodicTimer?.cancel();
  sendBroadcastIPv6PeriodicTimer?.cancel();

  txUDPIPv4Socket?.close();
  rxUDPIPv4Socket?.close();

  txUDPIPv6Socket?.close();
  rxUDPIPv6Socket?.close();

  if (!controller.isClosed) {
    controller.close();
  }
}