#!/bin/bash # addd 2019-04-12 by RGerhards, released under ASL 2.0 . ${srcdir:=.}/diag.sh init export NUMMESSAGES=20 # should be sufficient to stress DNS cache generate_conf add_conf ' global(reverselookup.cache.ttl.default="0" reverselookup.cache.ttl.enable="on") module(load="../plugins/imtcp/.libs/imtcp") input(type="imtcp" port="0" listenPortFileName="'$RSYSLOG_DYNNAME'.tcpflood_port") template(name="outfmt" type="string" string="%msg:F,58:2%\n") :msg, contains, "msgnum:" action(type="omfile" template="outfmt" file="'$RSYSLOG_OUT_LOG'") ' startup tcpflood -m$NUMMESSAGES -c10 # run on 10 connections --> 10 dns cache calls shutdown_when_empty wait_shutdown seq_check exit_test