#!/bin/sh
 
INT=$2
PREF=$3
if [ "X${INT}" = 'X' ] ; then INT='fxp0'; fi
if [ "X${PREF}" = 'X' ] ; then PREF=${INT} ; fi
COLLECTOR0_IP='123.123.123.123'
COLLECTOR0_PORT='2055'
COLLECTOR1_IP='127.0.0.1'
COLLECTOR1_PORT='2055'
case "$1" in
start)
/usr/sbin/ngctl -f- <<-EOF
	mkpeer ${INT}: tee lower left
	name ${INT}:lower ${INT}-tee
	connect ${INT}: ${INT}-tee: upper right
	# o2m object
	mkpeer ${INT}-tee: one2many left2right many0
	name ${INT}-tee:left2right ${PREF}-o2m
	connect ${PREF}-o2m: ${INT}-tee: many1 right2left
	# netflow
	mkpeer ${PREF}-o2m: netflow one iface0
	name ${PREF}-o2m:one ${PREF}-netflow
	# Doubling netflow object
	mkpeer ${PREF}-netflow: one2many export one
	name ${PREF}-netflow:export ${PREF}-nf-dbl
	msg ${PREF}-nf-dbl: setconfig { xmitAlg=2 failAlg=1 }
	#socket for collector0
	mkpeer ${PREF}-nf-dbl: ksocket many0 inet/dgram/udp
	name ${PREF}-nf-dbl:many0 ${PREF}-nf-exp0
	msg ${PREF}-nf-exp0: connect inet/${COLLECTOR0_IP}:${COLLECTOR0_PORT}
	#socket for collector1
	mkpeer ${PREF}-nf-dbl: ksocket many1 inet/dgram/udp
	name ${PREF}-nf-dbl:many1 ${PREF}-nf-exp1
	msg ${PREF}-nf-exp1: connect inet/${COLLECTOR1_IP}:${COLLECTOR1_PORT}
EOF
	;;
stop)
/usr/sbin/ngctl -f- <<-EOFF
	shutdown ${PREF}-nf-exp1:
	shutdown ${PREF}-nf-exp0:
	shutdown ${PREF}-nf-dbl:
	shutdown ${PREF}-netflow:
	shutdown ${PREF}-o2m:
	shutdown ${INT}-tee:
EOFF
	sleep 5
	/usr/sbin/ngctl shutdown ${INT}:lower
	;;
restart)
        $0 stop
        sleep 10 
        $0 start
        ;;
*)
        echo "usage: ${0##*/} start  [pref]" >&2
        ;;
esac