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#!/bin/sh
# timeout is the total time to run the test, or thereabouts.
#
# ping/rest times are to let us do stuff like flood for 3 seconds then do
# nothing for 5 seconds, over the total test time.
#
# That way this script can be used to torment other test variants such as
# the SNMP walk, ordinary pinging and so on, all making for a more diverse
# test environment.
if [ $# -lt 1 ]; then
echo "Usage: $0 [XFAIL] target [timeout [size [ping rest]]" > /dev/stderr
exit 1
fi
[ "xXFAIL" == "x$1" ] && { XFAIL="XFAIL"; shift; }
TARGET=$1
if [ "x" == "x$2" ]; then TIMEOUT=10; else TIMEOUT=$2; fi
if [ "x" == "x$3" ]; then PINGSIZE=64; else PINGSIZE=$3; fi
if [ "x" == "x$4" ]; then PINGTIME=19; else PINGTIME=$4; fi
if [ "x" == "x$5" ]; then RESTTIME=1; else RESTTIME=$5; fi
# By default, flood for 19 seconds then rest for one.
# We take one second off occasionally to allow eg. DHCP to stay alive in
# configurations/environments where it is so short lived.
if [ "x$XFAIL" != "xXFAIL" ]; then
# first try normal size packets
if ping -n -c 5 $TARGET > /dev/null ; then
echo "INFO:<$$: $TARGET is up>" > /dev/stderr
else
echo "FAIL:<$$: $TARGET is down>" > /dev/stderr; exit 1
fi
fi
# allow other pingers &c to start up:
sleep 5
declare -i COUNT=0
# then the size we were asked to do, for the time requested
while [ $SECONDS -le $TIMEOUT ]; do
# Use an explicit path in '.' because this must be an SUID script to be
# able to use the flood option. Direct stderr to tmp also because we
# cannot report results whilst flooding.
./_suping -f -n -w $PINGTIME -q -s $PINGSIZE $TARGET > /tmp/ping$$ 2>&1
# dump this out for the controller logfile
cat /tmp/ping$$
INFO1=$(grep "bytes of data" /tmp/ping$$)
INFO2=$(grep "packet loss" /tmp/ping$$)
INFO3=$(grep "round-trip" /tmp/ping$$)
rm -f /tmp/ping$$
# but do not print it all out to stderr (and so to sendack and over the
# net); the two cannot coexist reliably.
#[ "x" != "x$INFO1" ] && echo "INFO:<$$: $INFO1>" > /dev/stderr
#[ "x" != "x$INFO2" ] && echo "INFO:<$$: $INFO2>" > /dev/stderr
#[ "x" != "x$INFO3" ] && echo "INFO:<$$: $INFO3>" > /dev/stderr
# then a delay for other traffic - else other tests fail
sleep $RESTTIME
((COUNT++));
done
# allow other flood pingers to finish:
sleep 5
if [ "x$XFAIL" == "xXFAIL" ]; then
echo "PASS:<$$: flood ping XFAIL, $PINGSIZE bytes $TIMEOUT seconds $COUNT sessions>" > /dev/stderr
exit 0
fi
# we cannot really look for pass/fail from a flood ping...
echo "PASS:<$$: flood ping OK, $PINGSIZE bytes $TIMEOUT seconds $COUNT sessions>" > /dev/stderr
# EOF
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