#! /bin/sh
# anders@aftenposten.no, 2007-09-19
# Shows the rate of requests (per second) for Varnish

PATH="$PATH:/usr/local/bin"
export PATH

vversion=`varnishstat -V 2>&1 | egrep "^varnishstat" | perl -p -e "s@varnishstat\s*@@;s@\(@@;s@\)@@;s@varnish-@@"`

pvstat() {
	# $1: vname $2: grabstat
	printf "$1.value "
	case $vversion in
	1.0*) varnishstat -1 | egrep "$2" | awk '{print $1}';;
	*) varnishstat -1 | egrep "$2" | awk '{print $2}';;
	esac
}

case $1 in
autoconf) echo yes;;
config)
	echo 'graph_title Hitrate'
	echo 'graph_vlabel hits per second'
	echo 'graph_category varnish'
	echo 'graph_info This graph shows the rate of requests, hits per second'

	echo 'requests.label requests'
#	echo 'requests.type COUNTER'
	echo 'requests.type DERIVE'
	echo 'requests.min 0'
	echo 'requests.graph yes'
	;;
*)
	pvstat requests 'Client requests received$'
	;;
esac