#!/bin/sh

is_wired_interface()
{
	local IFNAME="$1"

	echo ${IFNAME} | grep -q "^eth"
	if [ $? -eq 0 ]; then
		return 0
	fi
	echo ${IFNAME} | grep -q "^br0"
	if [ $? -eq 0 ]; then
		return 0
	fi
	echo ${IFNAME} | grep -q "^bond"
	if [ $? -eq 0 ]; then
		return 0
	fi
	echo ${IFNAME} | grep -q "^ovs"
	if [ $? -eq 0 ]; then
		return 0
	fi
	return 1
}

is_6in4_interface()
{
	local IFNAME="$1"

	echo ${IFNAME} | grep -q "^6in4-"
	if [ $? -eq 0 ]; then
		return 0
	fi
	return 1
}

set_default_gateway_interface()
{
	local DEVICE=`/bin/get_key_value /etc/iproute2/config/default-gateway DEVICE`
	for ifn in `/usr/syno/sbin/synonetdtool --get-interface-by-class -4 wan | sed -e 's/,/\n/g'`
	do
		if [ "${DEVICE}" = "${ifn}" ]; then
			/usr/syno/sbin/synonetdtool --add-gateway-info -4 0 ${DEVICE} NULL NULL
			break
		fi
	done

	local DEVICE_V6=`/bin/get_key_value /etc/iproute2/config/default-gateway-v6 DEVICE`
	for ifn in `/usr/syno/sbin/synonetdtool --get-interface-by-class -6 wan | sed -e 's/,/\n/g'`
	do
		if [ "${DEVICE_V6}" = "${ifn}" ]; then
			/usr/syno/sbin/synonetdtool --add-gateway-info -6 0 ${DEVICE_V6} NULL NULL
			break
		fi
	done
}