#!/bin/sh

PING=/bin/ping
COUNT=4
DEADLINE=10
ping_host() {
local output=$($PING -q -c $COUNT -w $DEADLINE $1 2>&1)
# notice $output is quoted to preserve newlines
local temp=$(echo "$output"| /opt/bin/gawk '
BEGIN {pl=100; rtt=0.1}
/packets transmitted/ {
match($0, /([0-9]+)% packet loss/, matchstr)
pl=matchstr[1]
}
/^round-trip/ {
# looking for something like 0.562/0.566/0.571/0.024
match($0, /(.*)\/(.*)\/(.*)/, a)
rtt=a[2]
}
/bad address/ {
# no output at all means network is probably down
pl=100
rtt=0.1
}
END {print pl ":" rtt}
')
RETURN_VALUE=$temp
}
# ping a host on the local lan
ping_host www.google.com

/mmc/opt/bin/rrdtool update \
/opt/ping/stats/ping_wan.rrd \
--template \
pl:rtt \
N:$RETURN_VALUE
echo $RETURN_VALUE