#!/bin/sh

set -e

[ -z "$VERBOSE" ] || set -x

[ -z "$IF_METRIC" ] && IF_METRIC="1"
[ -n "$IF_VRF_TABLE" ] && VRF_TABLE="table $IF_VRF_TABLE"
[ -n "$IF_VRF_MEMBER" ] && VRF_TABLE="vrf $IF_VRF_MEMBER"
[ -n "$IF_METRIC" ] && METRIC="metric $IF_METRIC"

addr_family() {
	if [ "$1" != "${1#*[0-9].[0-9]}" ]; then
		echo "-4"
	elif [ "$1" != "${1#*:[0-9a-fA-F]}" ]; then
		echo "-6"
	else
		exit 1
	fi
}

configure_addresses() {
	for i in $(ifquery -p address -i $INTERFACES_FILE $IFACE); do
		addrfam=$(addr_family $i)
		if [ "${IF_POINTOPOINT}" -a "${addrfam}" = "-4" ]; then
			PEER="peer ${IF_POINTOPOINT}"
		else
			PEER=""
		fi

		${MOCK} ip $addrfam addr $1 $i $PEER dev $IFACE
	done
}

configure_gateways() {
	for i in $(ifquery -p gateway -i $INTERFACES_FILE $IFACE); do
		addrfam=$(addr_family $i)
		${MOCK} ip $addrfam route $1 default via $i $VRF_TABLE $METRIC dev $IFACE
	done
}

case "$PHASE" in
up)
	configure_addresses add
	configure_gateways add
	;;
down)
	configure_gateways del
	configure_addresses del
	;;
*)	exit 0 ;;
esac