#!/bin/sh

. /lib/functions.sh
. /lib/functions/network.sh
. /lib/functions/hyfi-iface.sh
. /lib/functions/hyfi-network.sh

wan_protocol="pppoe"

__wan_pppoe_mode() {
	local ifname wan_proto

	ifname=`uci get network.wan.ifname`
	wan_proto=`uci get network.wan.proto`

	case "$ACTION" in
		add)
		if [[ "${ifname}" = "${INTERFACE}"  -a  "${wan_protocol}" = "${wan_proto}" ]];
		then
			return 1
		fi
		;;
		remove)
		if [[ "${ifname}" = "${INTERFACE}"  -a  "${wan_protocol}" = "${wan_proto}" ]];
		then
			return 1
		fi
		;;
	esac
	return 0
}

hyd_restart_aggr() {
	local fileflag="/tmp/.hyd.restart.pending"

	touch "$fileflag"

	sleep 7

	[ -f "$fileflag" ] || return

	a=`stat -c %Y $fileflag`
	b=`date +%s`
	c=`expr $b - $a`
	[ "$c" -ge 7 ] || return

	[ -f "$fileflag" ] || return
	rm -f $fileflag

	/etc/init.d/hyd restart
}

hyd_restart() {
	local exescript

	exescript=`ls /etc/hotplug.d/net/*hyd* 2>&-`
	[ -n "$exescript" ] || return

	# Restart with aggregation(background)
	exescript="$exescript &"
	eval $exescript
}

trap '' INT TERM ABRT QUIT ALRM

local enabled
config_load 'hyd'
config_get_bool enabled config 'Enable' '0'
[ "$enabled" -eq 0 ] && return

if [ -n "$1" ] ; then # Called by hotplugd
	case "$INTERFACE" in
		ath*|eth*|eth*.*|br*)
		__wan_pppoe_mode
			if [ "$?" -eq 0 ]; then
				hyd_restart
			fi
		;;
	esac
else                  # Called directly
	hyd_restart_aggr
fi