private void sendHandshakeDescriptionStatsRequest() throws IOException {
  OFStatisticsRequest req=new OFStatisticsRequest();
  req.setStatisticType(OFStatisticsType.DESC);
  req.setXid(handshakeTransactionIds--);
  channel.write(Collections.singletonList(req));
}

private void sendHandshakeDescriptionStatsRequest ( ) throws IOException { OFStatisticsRequest req = new OFStatisticsRequest ( ) ; req . setStatisticType ( OFStatisticsType . DESC ) ; req . setXid ( handshakeTransactionIds -- ) ; channel . write ( Collections . singletonList ( req ) ) ; }
send a description state request
