#!/bin/sh

. /usr/share/libubox/jshn.sh
. /lib/functions/service.sh

DEVLIST=/var/run/gluon-respondd.devs

ifname_to_dev () {
	json_load "$(ubus call network.interface.$1 status)"
	json_get_var dev device

	echo "$dev"
}

case "$ACTION" in
	ifdown)
		sed "/ $INTERFACE$/d" $DEVLIST > $DEVLIST.new
		mv $DEVLIST.new $DEVLIST
		;;
	ifup)
		DEVICE="$(ifname_to_dev "$INTERFACE")"
		MESH="$(cat "/sys/class/net/$DEVICE/batman_adv/mesh_iface" 2>/dev/null)"

		[ "$MESH" = "bat0" -o "$INTERFACE" = "client" ] || exit 0

		DEVS=$(cat $DEVLIST 2>/dev/null; echo $DEVICE $INTERFACE)

		echo "$DEVS" | sort -u > $DEVLIST.new
		mv $DEVLIST.new $DEVLIST

		/etc/init.d/gluon-respondd restart_if_running &

		;;
esac