#!/bin/sh # Copyright (C) Internet Systems Consortium, Inc. ("ISC") # # SPDX-License-Identifier: MPL-2.0 # # This Source Code Form is subject to the terms of the Mozilla Public # License, v. 2.0. If a copy of the MPL was not distributed with this # file, you can obtain one at https://mozilla.org/MPL/2.0/. # # See the COPYRIGHT file distributed with this work for additional # information regarding copyright ownership. SYSTEMTESTTOP=.. . $SYSTEMTESTTOP/conf.sh DIGOPTS="+nosea +stat +noquest +nocomm +nocmd -p ${PORT}" status=0 echo_i "Getting message size with compression enabled" $DIG $DIGOPTS -b 10.53.0.1 @10.53.0.1 mx example > dig.compen.test COMPEN=`grep ';; MSG SIZE' dig.compen.test |sed -e "s/.*: //g"` cat dig.compen.test |grep -v ';;' |sort > dig.compen.sorted.test echo_i "Getting message size with compression disabled" $DIG $DIGOPTS -b 10.53.0.2 @10.53.0.1 mx example > dig.compdis.test COMPDIS=`grep ';; MSG SIZE' dig.compdis.test |sed -e "s/.*: //g"` cat dig.compdis.test |grep -v ';;' |sort > dig.compdis.sorted.test # the compression disabled message should be at least twice as large as with # compression disabled, but the content should be the same echo_i "Checking if responses are identical other than in message size" $DIFF dig.compdis.sorted.test dig.compen.sorted.test >/dev/null ret=$? if [ $ret != 0 ]; then echo_i "failed"; fi status=`expr $status + $ret` echo_i "Checking if message with compression disabled is significantly larger" echo_i "Disabled $COMPDIS vs enabled $COMPEN" val=`expr \( $COMPDIS \* 3 / 2 \) / $COMPEN` if [ $val -le 1 ]; then echo_i "failed" status=`expr $status + 1` fi; echo_i "exit status: $status" [ $status -eq 0 ] || exit 1