#!/bin/sh
#
# Copyright (C) 2018-2024 Ycarus (Yannick Chabanois) <ycarus@zugaina.org> for OpenMPTCProuter
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
# This script do commands when an interface is detected as up

if [ "$OMR_TRACKER_STATUS" = "ERROR" ]; then
	exit 0
fi

if [ "$OMR_TRACKER_INTERFACE" != "omrvpn" ] && [ "$OMR_TRACKER_INTERFACE" != "omr6in4" ] && [ "$OMR_TRACKER_PREV_STATUS" = "$OMR_TRACKER_STATUS" ] && [ -n "$OMR_TRACKER_INTERFACE" ] && [ "$OMR_TRACKER_PREV_DEVICE_IP" = "$OMR_TRACKER_DEVICE_IP" ] && [ "$OMR_TRACKER_PREV_DEVICE_IP6" = "$OMR_TRACKER_DEVICE_IP6" ] && (([ -n "$OMR_TRACKER_DEVICE_GATEWAY" ] && [ -n "$(ip r show table 991337)" ]) || ([ -n "$OMR_TRACKER_DEVICE_GATEWAY6" ] && [ -n "$(ip -6 r show table 6991337)" ])); then
	exit 0
fi

SETROUTE=false

. /lib/functions/network.sh

find_network_device() {
	local device="${1}"
	local device_section=""

	check_device() {
		local cfg="${1}"
		local device="${2}"

		local name
		config_get name "${cfg}" name

		[ "${name}" = "${device}" ] && device_section="${cfg}"
	}
	if [ -n "$device" ]; then
		config_load network
		config_foreach check_device device "$(uci -q network.${device}.device)"
	fi
	echo "${device_section}"
}

set_route() {
	local multipath_config_route interface_gw interface_if
	INTERFACE=$1
	PREVINTERFACE=$2
	SETDEFAULT=$3
	[ -z "$SETDEFAULT" ] && SETDEFAULT="yes"
	[ -z "$INTERFACE" ] && return
	multipath_config_route=$(uci -q get openmptcprouter.$INTERFACE.multipath)
	[ -z "$multipath_config_route" ] && multipath_config_route=$(uci -q get network.$INTERFACE.multipath || echo "off")
	[ "$(uci -q get openmptcprouter.$INTERFACE.multipathvpn)" = "1" ] && {
		[ "$(uci -q get openmptcprouter.settings.mptcpovervpn)" = "openvpn" ] && multipath_config_route="$(uci -q get openmptcprouter.ovpn${INTERFACE}.multipath || echo "off")"
		[ "$(uci -q get openmptcprouter.settings.mptcpovervpn)" = "wireguard" ] && multipath_config_route="$(uci -q get openmptcprouter.wg${INTERFACE}.multipath || echo "off")"
	}
	#network_get_device interface_if $INTERFACE
	interface_up=$(ifstatus "$INTERFACE" 2>/dev/null | jsonfilter -q -e '@["up"]')
	[ -z "$interface_if" ] && interface_if=$(ifstatus "$INTERFACE" 2>/dev/null | jsonfilter -q -e '@["l3_device"]')
	[ -z "$interface_if" ] && interface_if=$(ifstatus "${INTERFACE}_4" 2>/dev/null | jsonfilter -q -e '@["l3_device"]')
	[ -z "$interface_if" ] && interface_if=$(uci -q get network.$INTERFACE.ifname)
	[ -z "$interface_if" ] && interface_if=$(uci -q get network.$INTERFACE.device)
	[ -n "$(echo $interface_if | grep '@')" ] && interface_if=$(ifstatus "${INTERFACE}" | jsonfilter -q -e '@["device"]')
	interface_current_config=$(uci -q get openmptcprouter.$INTERFACE.state || echo "up")
	if [ "$multipath_config_route" != "off" ] && [ "$SETROUTE" != true ] && [ "$INTERFACE" != "$PREVINTERFACE" ] && [ "$interface_current_config" = "up" ] && [ "$interface_up" = "true" ]; then
		interface_gw="$(uci -q get network.$INTERFACE.gateway)"
		if [ -z "$interface_gw" ]; then
			interface_gw=$(ubus call network.interface.$INTERFACE status 2>/dev/null | jsonfilter -q -l 1 -e '@.inactive.route[@.target="0.0.0.0"].nexthop' | tr -d "\n")
		fi
		if [ -z "$interface_gw" ]; then
			interface_gw=$(ubus call network.interface.$INTERFACE status 2>/dev/null | jsonfilter -q -l 1 -e '@.route[@.target="0.0.0.0"].nexthop' | tr -d "\n")
		fi
		if [ -z "$interface_gw" ]; then
			interface_gw=$(ubus call network.interface.${INTERFACE}_4 status 2>/dev/null | jsonfilter -q -l 1 -e '@.inactive.route[@.target="0.0.0.0"].nexthop' | tr -d "\n")
		fi
		if [ "$interface_gw" != "" ] && [ "$interface_if" != "" ]; then
			[ "$(uci -q get openmptcprouter.settings.debug)" = "true" ] && [ "$SETDEFAULT" = "yes" ] && _log "$PREVINTERFACE down. Replace default route by $interface_gw dev $interface_if"
			[ "$(uci -q get openmptcprouter.settings.debug)" = "true" ] && [ "$SETDEFAULT" != "yes" ] && _log "$PREVINTERFACE down. Replace default in table 991337 route by $interface_gw dev $interface_if"
			[ "$SETDEFAULT" = "yes" ] && [ "$(uci -q openmptcprouter.settings.defaultgw)" != "0" ] && ip route replace default scope global metric 1 via $interface_gw dev $interface_if $initcwrwnd >/dev/null 2>&1
			ip route replace default via $interface_gw dev $interface_if table 991337 $initcwrwnd >/dev/null 2>&1 && SETROUTE=true
		fi
	fi
}

set_route6() {
	local multipath_config_route interface_gw interface_if
	INTERFACE=$1
	PREVINTERFACE=$2
	SETDEFAULT=$3
	[ -z "$SETDEFAULT" ] && SETDEFAULT="yes"
	[ -z "$INTERFACE" ] && return
	multipath_config_route=$(uci -q get openmptcprouter.$INTERFACE.multipath)
	[ -z "$multipath_config_route" ] && multipath_config_route=$(uci -q get network.$INTERFACE.multipath || echo "off")
	[ "$(uci -q get openmptcprouter.$INTERFACE.multipathvpn)" = "1" ] && {
		[ "$(uci -q get openmptcprouter.settings.mptcpovervpn)" = "openvpn" ] && multipath_config_route="$(uci -q get openmptcprouter.ovpn${INTERFACE}.multipath || echo "off")"
		[ "$(uci -q get openmptcprouter.settings.mptcpovervpn)" = "wireguard" ] && multipath_config_route="$(uci -q get openmptcprouter.wg${INTERFACE}.multipath || echo "off")"
	}
	#network_get_device interface_if $INTERFACE
	interface_up=$(ifstatus "$INTERFACE" 2>/dev/null | jsonfilter -q -e '@["up"]')
	[ -z "$interface_if" ] && interface_if=$(ifstatus "$INTERFACE" 2>/dev/null | jsonfilter -q -e '@["l3_device"]')
	[ -z "$interface_if" ] && interface_if=$(ifstatus "${INTERFACE}_4" 2>/dev/null | jsonfilter -q -e '@["l3_device"]')
	[ -z "$interface_if" ] && interface_if=$(uci -q get network.$INTERFACE.ifname)
	[ -z "$interface_if" ] && interface_if=$(uci -q get network.$INTERFACE.device)
	[ -n "$(echo $interface_if | grep '@')" ] && interface_if=$(ifstatus "$INTERFACE" | jsonfilter -q -e '@["device"]')
	interface_current_config=$(uci -q get openmptcprouter.$INTERFACE.state || echo "up")
	if [ "$multipath_config_route" != "off" ] && [ "$SETROUTE" != true ] && [ "$INTERFACE" != "$PREVINTERFACE" ] && [ "$interface_current_config" = "up" ] && [ "$interface_up" = "true" ]; then
		interface_gw="$(uci -q get network.$INTERFACE.gateway)"
		if [ -z "$interface_gw" ]; then
			interface_gw=$(ubus call network.interface.$INTERFACE status 2>/dev/null | jsonfilter -q -l 1 -e '@.inactive.route[@.target="::"].nexthop' | tr -d "\n")
		fi
		if [ -z "$interface_gw" ]; then
			interface_gw=$(ubus call network.interface.$INTERFACE status 2>/dev/null | jsonfilter -q -l 1 -e '@.route[@.target="::"].nexthop' | tr -d "\n")
		fi
		if [ -z "$interface_gw" ]; then
			interface_gw=$(ubus call network.interface.${INTERFACE}_6 status 2>/dev/null | jsonfilter -q -l 1 -e '@.inactive.route[@.target="::"].nexthop' | tr -d "\n")
		fi
		if [ "$interface_gw" != "" ] && [ "$interface_if" != "" ] && [ -n "$(echo $interface_gw | grep ':')" ]; then
			[ "$(uci -q get openmptcprouter.settings.debug)" = "true" ] && _log "$PREVINTERFACE down. Replace default route by $interface_gw dev $interface_if"
			[ "$SETDEFAULT" = "yes" ] && [ "$(uci -q openmptcprouter.settings.defaultgw)" != "0" ] && ip -6 route replace default scope metric 1 global nexthop via $interface_gw dev $interface_if >/dev/null 2>&1
			ip -6 route replace default via $interface_gw dev $interface_if table 6991337 >/dev/null 2>&1 && SETROUTE=true
		fi
	fi
}

set_server_default_route() {
	local server=$1
	server_route() {
		local serverip multipath_config_route
		serverip=$1
		[ -n "$serverip" ] && serverip="$(resolveip -4 -t 5 $serverip | head -n 1 | tr -d '\n')"
		config_get disabled $server disabled
		[ "$disabled" = "1" ] && return
		[ -z "$OMR_TRACKER_INTERFACE" ] && return
		multipath_config_route=$(uci -q get openmptcprouter.$OMR_TRACKER_INTERFACE.multipath)
		[ -z "$multipath_config_route" ] && multipath_config_route=$(uci -q get network.$OMR_TRACKER_INTERFACE.multipath || echo "off")
		[ "$(uci -q get openmptcprouter.$OMR_TRACKER_INTERFACE.multipathvpn)" = "1" ] && {
			[ "$(uci -q get openmptcprouter.settings.mptcpovervpn)" = "openvpn" ] && multipath_config_route="$(uci -q get openmptcprouter.ovpn${OMR_TRACKER_INTERFACE}.multipath || echo "off")"
			[ "$(uci -q get openmptcprouter.settings.mptcpovervpn)" = "wireguard" ] && multipath_config_route="$(uci -q get openmptcprouter.wg${OMR_TRACKER_INTERFACE}.multipath || echo "off")"
		}
		if [ "$serverip" != "" ] && [ "$OMR_TRACKER_DEVICE_GATEWAY" != "" ] && [ -n "$OMR_TRACKER_DEVICE" ] && [ "$(ip route show dev $OMR_TRACKER_DEVICE metric 1 | grep $serverip | grep $OMR_TRACKER_DEVICE_GATEWAY)" = "" ] && [ "$multipath_config_route" != "off" ]; then
			[ "$(uci -q get openmptcprouter.settings.debug)" = "true" ] && _log "Set server $server ($serverip) default route via $OMR_TRACKER_DEVICE_GATEWAY"
			if [ "$(ip r show $serverip | grep nexthop)" != "" ]; then
				ip r delete $serverip >/dev/null 2>&1
			fi
			ip route replace $serverip via $OMR_TRACKER_DEVICE_GATEWAY dev $OMR_TRACKER_DEVICE metric 1 $initcwrwnd >/dev/null 2>&1
		fi
	}
	config_list_foreach $server ip server_route
}

set_server_default_route6() {
	local server=$1
	server_route() {
		local serverip multipath_config_route
		serverip=$1
		[ -n "$serverip" ] && serverip="$(resolveip -6 -t 5 $serverip | head -n 1 | tr -d '\n')"
		config_get disabled $server disabled
		[ "$disabled" = "1" ] && return
		[ -z "$OMR_TRACKER_INTERFACE" ] && return
		multipath_config_route=$(uci -q get openmptcprouter.$OMR_TRACKER_INTERFACE.multipath)
		[ -z "$multipath_config_route" ] && multipath_config_route=$(uci -q get network.$OMR_TRACKER_INTERFACE.multipath || echo "off")
		[ "$(uci -q get openmptcprouter.$OMR_TRACKER_INTERFACE.multipathvpn)" = "1" ] && {
			[ "$(uci -q get openmptcprouter.settings.mptcpovervpn)" = "openvpn" ] && multipath_config_route="$(uci -q get openmptcprouter.ovpn${OMR_TRACKER_INTERFACE}.multipath || echo "off")"
			[ "$(uci -q get openmptcprouter.settings.mptcpovervpn)" = "wireguard" ] && multipath_config_route="$(uci -q get openmptcprouter.wg${OMR_TRACKER_INTERFACE}.multipath || echo "off")"
		}
		if [ "$serverip" != "" ] && [ "$OMR_TRACKER_DEVICE_GATEWAY6" != "" ] && [ -n "$OMR_TRACKER_DEVICE" ] && [ "$(ip -6 route show dev $OMR_TRACKER_DEVICE metric 1 | grep $serverip | grep $OMR_TRACKER_DEVICE_GATEWAY6)" = "" ] && [ "$multipath_config_route" != "off" ]; then
			[ "$(uci -q get openmptcprouter.settings.debug)" = "true" ] && _log "Set server $server ($serverip) default route via $OMR_TRACKER_DEVICE_GATEWAY6"
			if [ "$(ip -6 r show $serverip | grep nexthop)" != "" ]; then
				ip -6 r delete $serverip >/dev/null 2>&1
			fi
			ip -6 route replace $serverip via $OMR_TRACKER_DEVICE_GATEWAY6 dev $OMR_TRACKER_DEVICE metric 1 >/dev/null 2>&1
		fi
	}
	config_list_foreach $server ip server_route
}

delete_server_default_route() {
	local server=$1
	delete_route() {
		local serverip=$1
		[ -n "$serverip" ] && serverip="$(resolveip -4 -t 5 $serverip | head -n 1 | tr -d '\n')"
		config_get disabled $server disabled
		[ "$disabled" = "1" ] && return
		if [ "$serverip" != "" ] && [ "$(ip route show $serverip metric 1)" != "" ]; then
			[ "$(uci -q get openmptcprouter.settings.debug)" = "true" ] && _log "Delete server ($serverip) default route"
			[ -n "$(ip route show $serverip metric 1)" ] && ip route del $serverip metric 1 >/dev/null 2>&1
		fi
	}
	config_list_foreach $server ip delete_route
}

delete_server_default_route6() {
	local server=$1
	delete_route() {
		local serverip=$1
		[ -n "$serverip" ] && serverip="$(resolveip -6 -t 5 $serverip | head -n 1 | tr -d '\n')"
		config_get disabled $server disabled
		[ "$disabled" = "1" ] && return
		if [ "$serverip" != "" ] && [ "$(ip -6 route show $serverip metric 1)" != "" ]; then
			[ "$(uci -q get openmptcprouter.settings.debug)" = "true" ] && _log "Delete server ($serverip) default route"
			[ -n "$(ip -6 route show $serverip metric 1)" ] && ip -6 route del $serverip metric 1 >/dev/null 2>&1
		fi
	}
	config_list_foreach $server ip delete_route
}

set_routes_intf() {
	local multipath_config_route
	local interface_if
	local INTERFACE=$1
	[ -z "$INTERFACE" ] && return
	[ "$INTERFACE" = "omrvpn" ] && return
	multipath_config_route=$(uci -q get openmptcprouter.$INTERFACE.multipath)
	[ -z "$multipath_config_route" ] && multipath_config_route=$(uci -q get network.$INTERFACE.multipath || echo "off")
	[ "$(uci -q get openmptcprouter.$INTERFACE.multipathvpn)" = "1" ] && {
		[ "$(uci -q get openmptcprouter.settings.mptcpovervpn)" = "openvpn" ] && multipath_config_route="$(uci -q get openmptcprouter.ovpn${INTERFACE}.multipath || echo "off")"
		[ "$(uci -q get openmptcprouter.settings.mptcpovervpn)" = "wireguard" ] && multipath_config_route="$(uci -q get openmptcprouter.wg${INTERFACE}.multipath || echo "off")"
	}
	#network_get_device interface_if $INTERFACE
	interface_if=$(ifstatus "$INTERFACE" 2>/dev/null | jsonfilter -q -e '@["l3_device"]')
	[ -z "$interface_if" ] && interface_if=$(ifstatus "${INTERFACE}_4" 2>/dev/null | jsonfilter -q -e '@["l3_device"]')
	[ -z "$interface_if" ] && interface_if=$(uci -q get network.$INTERFACE.ifname)
	[ -z "$interface_if" ] && interface_if=$(uci -q get network.$INTERFACE.device)
	[ -n "$(echo $interface_if | grep '@')" ] && interface_if=$(ifstatus "$INTERFACE" | jsonfilter -q -e '@["device"]')
	interface_up=$(ifstatus "$INTERFACE" 2>/dev/null | jsonfilter -q -e '@["up"]')
	#multipath_current_config=$(multipath $interface_if | grep 'deactivated')
	interface_current_config=$(uci -q get openmptcprouter.$INTERFACE.state || echo "up")
	interface_vpn=$(uci -q get openmptcprouter.$INTERFACE.vpn || echo "0")
	if { [ "$interface_vpn" = "0" ] || [ "$(uci -q get openmptcprouter.settings.allmptcpovervpn)" = "0" ]; } && [ "$multipath_config_route" != "off" ] && [ "$interface_current_config" = "up" ] && [ "$interface_if" != "" ] && [ "$interface_up" = "true" ]; then
		interface_gw="$(uci -q get network.$INTERFACE.gateway)"
		if [ -z "$interface_gw" ]; then
			interface_gw=$(ubus call network.interface.$INTERFACE status 2>/dev/null | jsonfilter -q -l 1 -e '@.inactive.route[@.target="0.0.0.0"].nexthop' | tr -d "\n")
		fi
		if [ -z "$interface_gw" ]; then
			interface_gw=$(ubus call network.interface.$INTERFACE status 2>/dev/null | jsonfilter -q -l 1 -e '@.route[@.target="0.0.0.0"].nexthop' | tr -d "\n")
		fi
		if [ -z "$interface_gw" ]; then
			interface_gw=$(ubus call network.interface.${INTERFACE}_4 status 2>/dev/null | jsonfilter -q -l 1 -e '@.inactive.route[@.target="0.0.0.0"].nexthop' | tr -d "\n")
		fi
		#if [ "$interface_gw" != "" ] && [ "$interface_if" != "" ] && [ -n "$serverip" ] && [ "$(ip route show $serverip | grep $interface_if)" = "" ]; then
		if [ "$interface_gw" != "" ] && [ "$interface_if" != "" ] && [ -z "$(echo $interface_gw | grep :)" ]; then
			if [ "$multipath_config_route" = "master" ]; then
				weight=100
			else
				weight=1
			fi
			if [ "$multipath_config_route" = "backup" ]; then
				nbintfb=$((nbintfb+1))
				if [ -z "$routesintfbackup" ]; then
					routesintfbackup="nexthop via $interface_gw dev $interface_if weight $weight"
				else
					routesintfbackup="$routesintfbackup nexthop via $interface_gw dev $interface_if weight $weight"
				fi
			else
				nbintf=$((nbintf+1))
				if [ -z "$routesintf" ]; then
					routesintf="nexthop via $interface_gw dev $interface_if weight $weight"
				else
					routesintf="$routesintf nexthop via $interface_gw dev $interface_if weight $weight"
				fi
			fi
		fi
	fi
}

set_routes_intf6() {
	local multipath_config_route
	local interface_if
	local INTERFACE=$1
	[ -z "$INTERFACE" ] && return
	[ "$INTERFACE" = "omr6in4" ] && return
	[ "$INTERFACE" = "omrvpn" ] && return
	multipath_config_route=$(uci -q get openmptcprouter.$INTERFACE.multipath)
	[ -z "$multipath_config_route" ] && multipath_config_route=$(uci -q get network.$INTERFACE.multipath || echo "off")
	[ "$(uci -q get openmptcprouter.$INTERFACE.multipathvpn)" = "1" ] && {
		[ "$(uci -q get openmptcprouter.settings.mptcpovervpn)" = "openvpn" ] && multipath_config_route="$(uci -q get openmptcprouter.ovpn${INTERFACE}.multipath || echo "off")"
		[ "$(uci -q get openmptcprouter.settings.mptcpovervpn)" = "wireguard" ] && multipath_config_route="$(uci -q get openmptcprouter.wg${INTERFACE}.multipath || echo "off")"
	}
	#network_get_device interface_if $INTERFACE
	interface_if=$(ifstatus "$INTERFACE" 2>/dev/null | jsonfilter -q -e '@["l3_device"]')
	[ -z "$interface_if" ] && interface_if=$(ifstatus "${INTERFACE}_6" 2>/dev/null | jsonfilter -q -e '@["l3_device"]')
	[ -z "$interface_if" ] && interface_if=$(uci -q get network.$INTERFACE.ifname)
	[ -z "$interface_if" ] && interface_if=$(uci -q get network.$INTERFACE.device)
	[ -n "$(echo $interface_if | grep '@')" ] && interface_if=$(ifstatus "$INTERFACE" | jsonfilter -q -e '@["device"]')
	interface_up=$(ifstatus "$INTERFACE" 2>/dev/null | jsonfilter -q -e '@["up"]')
	#multipath_current_config=$(multipath $interface_if | grep 'deactivated')
	interface_current_config=$(uci -q get openmptcprouter.$INTERFACE.state || echo "up")
	interface_vpn=$(uci -q get openmptcprouter.$INTERFACE.vpn || echo "0")
	if { [ "$interface_vpn" = "0" ] || [ "$(uci -q get openmptcprouter.settings.allmptcpovervpn)" = "0" ]; } && [ "$multipath_config_route" != "off" ] && [ "$interface_current_config" = "up" ] && [ "$interface_if" != "" ] && [ "$interface_up" = "true" ]; then
		interface_gw="$(uci -q get network.$INTERFACE.ip6gw)"
		interface_ip6="$(uci -q get network.$INTERFACE.ip6)"
		if [ -z "$interface_gw" ]; then
			interface_gw=$(ubus call network.interface.$INTERFACE status 2>/dev/null | jsonfilter -q -l 1 -e "@.inactive.route[@.source=\"${interface_ip6}\"].nexthop" | tr -d "\n")
		fi
		if [ -z "$interface_gw" ]; then
			interface_gw=$(ubus call network.interface.$INTERFACE status 2>/dev/null | jsonfilter -q -l 1 -e "@.inactive.route[@.source=\"${interface_ip6}/64\"].nexthop" | tr -d "\n")
		fi
		if [ -z "$interface_gw" ]; then
			interface_gw=$(ubus call network.interface.$INTERFACE status 2>/dev/null | jsonfilter -q -l 1 -e "@.inactive.route[@.source=\"${interface_ip6}/56\"].nexthop" | tr -d "\n")
		fi
		if [ -z "$interface_gw" ]; then
			interface_gw=$(ubus call network.interface.$INTERFACE status 2>/dev/null | jsonfilter -q -l 1 -e '@.inactive.route[@.target="::"].nexthop' | tr -d "\n")
		fi
		if [ -z "$interface_gw" ]; then
			interface_gw=$(ubus call network.interface.$INTERFACE status 2>/dev/null | jsonfilter -q -l 1 -e '@.inactive.route[@.nexthop="::"].target' | tr -d "\n")
		fi
		if [ -z "$interface_gw" ]; then
			interface_gw=$(ubus call network.interface.$INTERFACE status 2>/dev/null | jsonfilter -q -l 1 -e '@.route[@.target="::"].nexthop' | tr -d "\n")
		fi
		if [ -z "$interface_gw" ]; then
			interface_gw=$(ubus call network.interface.$INTERFACE status 2>/dev/null | jsonfilter -q -l 1 -e '@.route[@.nexthop="::"].target' | tr -d "\n")
		fi
		if [ -z "$interface_gw" ]; then
			interface_gw=$(ubus call network.interface.${INTERFACE}_6 status 2>/dev/null | jsonfilter -q -l 1 -e '@.inactive.route[@.target="::"].nexthop' | tr -d "\n")
		fi
		#if [ "$interface_gw" != "" ] && [ "$interface_if" != "" ] && [ -n "$serverip" ] && [ "$(ip -6 route show $serverip | grep $interface_if)" = "" ]; then
		if [ "$interface_gw" != "" ] && [ "$interface_if" != "" ] && [ -n "$(echo $interface_gw | grep :)" ]; then
			if [ "$multipath_config_route" = "master" ]; then
				weight=100
			else
				weight=1
			fi
			if [ "$multipath_config_route" = "backup" ]; then
				nbintfb6=$((nbintfb6+1))
				if [ -z "$routesintfbackup6" ]; then
					routesintfbackup6="nexthop via $interface_gw dev $interface_if weight $weight"
				else
					routesintfbackup6="$routesintfbackup6 nexthop via $interface_gw dev $interface_if weight $weight"
				fi
			else
				nbintf6=$((nbintf6+1))
				if [ -z "$routesintf6" ]; then
					routesintf6="nexthop via $interface_gw dev $interface_if weight $weight"
				else
					routesintf6="$routesintf6 nexthop via $interface_gw dev $interface_if weight $weight"
				fi
			fi
		fi
	fi
}

set_route_balancing() {
	local multipath_config_route interface_gw interface_if
	INTERFACE=$1
	[ -z "$INTERFACE" ] && return
	[ "$INTERFACE" = "omrvpn" ] && continue
	multipath_config_route=$(uci -q get openmptcprouter.$INTERFACE.multipath)
	[ -z "$multipath_config_route" ] && multipath_config_route=$(uci -q get network.$INTERFACE.multipath || echo "off")
	[ "$(uci -q get openmptcprouter.$INTERFACE.multipathvpn)" = "1" ] && {
		[ "$(uci -q get openmptcprouter.settings.mptcpovervpn)" = "openvpn" ] && multipath_config_route="$(uci -q get openmptcprouter.ovpn${INTERFACE}.multipath || echo "off")"
		[ "$(uci -q get openmptcprouter.settings.mptcpovervpn)" = "wireguard" ] && multipath_config_route="$(uci -q get openmptcprouter.wg${INTERFACE}.multipath || echo "off")"
	}
	#network_get_device interface_if $INTERFACE
	[ -z "$interface_if" ] && interface_if=$(ifstatus "$INTERFACE" 2>/dev/null | jsonfilter -q -e '@["l3_device"]')
	[ -z "$interface_if" ] && interface_if=$(ifstatus "${INTERFACE}_4" 2>/dev/null | jsonfilter -q -e '@["l3_device"]')
	[ -z "$interface_if" ] && interface_if=$(uci -q get network.$INTERFACE.ifname)
	[ -z "$interface_if" ] && interface_if=$(uci -q get network.$INTERFACE.device)
	[ -n "$(echo $interface_if | grep '@')" ] && interface_if=$(ifstatus "$INTERFACE" | jsonfilter -q -e '@["device"]')
	interface_up=$(ifstatus "$INTERFACE" 2>/dev/null | jsonfilter -q -e '@["up"]')
	interface_current_config=$(uci -q get openmptcprouter.$INTERFACE.state || echo "up")
	interface_vpn=$(uci -q get openmptcprouter.$INTERFACE.vpn || echo "0")
	if { [ "$interface_vpn" = "0" ] || [ "$(uci -q get openmptcprouter.settings.allmptcpovervpn)" = "0" ]; } && [ "$multipath_config_route" != "off" ] && [ "$interface_current_config" = "up" ] && [ "$interface_up" = "true" ]; then
		interface_gw="$(uci -q get network.$INTERFACE.gateway)"
		if [ -z "$interface_gw" ]; then
			interface_gw=$(ubus call network.interface.$INTERFACE status 2>/dev/null | jsonfilter -q -l 1 -e '@.inactive.route[@.target="0.0.0.0"].nexthop' | tr -d "\n")
		fi
		if [ -z "$interface_gw" ]; then
			interface_gw=$(ubus call network.interface.$INTERFACE status 2>/dev/null | jsonfilter -q -l 1 -e '@.route[@.target="0.0.0.0"].nexthop' | tr -d "\n")
		fi
		if [ -z "$interface_gw" ]; then
			interface_gw=$(ubus call network.interface.${INTERFACE}_4 status 2>/dev/null | jsonfilter -q -l 1 -e '@.inactive.route[@.target="0.0.0.0"].nexthop' | tr -d "\n")
		fi
		if [ "$interface_gw" != "" ] && [ "$interface_if" != "" ]; then
			if [ "$(uci -q get network.$INTERFACE.weight)" != "" ]; then
				weight=$(uci -q get network.$INTERFACE.weight)
			elif [ "$(uci -q get openmtpcprouter.$INTERFACE.weight)" != "" ]; then
				weight=$(uci -q get openmtpcprouter.$INTERFACE.weight)
			elif [ "$multipath_config_route" = "master" ]; then
				weight=100
			else
				weight=1
			fi
			if [ "$multipath_config_route" = "backup" ]; then
				nbintfb=$((nbintfb+1))
				if [ -z "$routesbalancingbackup" ]; then
					routesbalancingbackup="nexthop via $interface_gw dev $interface_if weight $weight"
				else
					routesbalancingbackup="$routesbalancingbackup nexthop via $interface_gw dev $interface_if weight $weight"
				fi
			else
				nbintf=$((nbintf+1))
				if [ -z "$routesbalancing" ]; then
					routesbalancing="nexthop via $interface_gw dev $interface_if weight $weight"
				else
					routesbalancing="$routesbalancing nexthop via $interface_gw dev $interface_if weight $weight"
				fi
			fi
		fi
	fi
}

set_route_balancing6() {
	local multipath_config_route interface_gw interface_if
	INTERFACE=$1
	[ -z "$INTERFACE" ] && return
	[ "$INTERFACE" = "omr6in4" ] && continue
	[ "$INTERFACE" = "omrvpn" ] && continue
	multipath_config_route=$(uci -q get openmptcprouter.$INTERFACE.multipath)
	[ -z "$multipath_config_route" ] && multipath_config_route=$(uci -q get network.$INTERFACE.multipath || echo "off")
	[ "$(uci -q get openmptcprouter.$INTERFACE.multipathvpn)" = "1" ] && {
		[ "$(uci -q get openmptcprouter.settings.mptcpovervpn)" = "openvpn" ] && multipath_config_route="$(uci -q get openmptcprouter.ovpn${INTERFACE}.multipath || echo "off")"
		[ "$(uci -q get openmptcprouter.settings.mptcpovervpn)" = "wireguard" ] && multipath_config_route="$(uci -q get openmptcprouter.wg${INTERFACE}.multipath || echo "off")"
	}
	#network_get_device interface_if $INTERFACE
	[ -z "$interface_if" ] && interface_if=$(ifstatus "$INTERFACE" 2>/dev/null | jsonfilter -q -e '@["l3_device"]')
	[ -z "$interface_if" ] && interface_if=$(ifstatus "${INTERFACE}_4" 2>/dev/null | jsonfilter -q -e '@["l3_device"]')
	[ -z "$interface_if" ] && interface_if=$(uci -q get network.$INTERFACE.ifname)
	[ -z "$interface_if" ] && interface_if=$(uci -q get network.$INTERFACE.device)
	[ -n "$(echo $interface_if | grep '@')" ] && interface_if=$(ifstatus "$INTERFACE" | jsonfilter -q -e '@["device"]')
	interface_up=$(ifstatus "$INTERFACE" 2>/dev/null | jsonfilter -q -e '@["up"]')
	interface_current_config=$(uci -q get openmptcprouter.$INTERFACE.state || echo "up")
	interface_vpn=$(uci -q get openmptcprouter.$INTERFACE.vpn || echo "0")
	if { [ "$interface_vpn" = "0" ] || [ "$(uci -q get openmptcprouter.settings.allmptcpovervpn)" = "0" ]; } && [ "$multipath_config_route" != "off" ] && [ "$interface_current_config" = "up" ] && [ "$interface_up" = "true" ]; then
		interface_gw="$(uci -q get network.$INTERFACE.gateway)"
		interface_ip6="$(uci -q get network.$INTERFACE.ip6)"
		if [ -z "$interface_gw" ]; then
			interface_gw=$(ubus call network.interface.$INTERFACE status 2>/dev/null | jsonfilter -q -l 1 -e "@.inactive.route[@.source=\"${interface_ip6}\"].nexthop" | tr -d "\n")
		fi
		if [ -z "$interface_gw" ]; then
			interface_gw=$(ubus call network.interface.$INTERFACE status 2>/dev/null | jsonfilter -q -l 1 -e "@.inactive.route[@.source=\"${interface_ip6}/64\"].nexthop" | tr -d "\n")
		fi
		if [ -z "$interface_gw" ]; then
			interface_gw=$(ubus call network.interface.$INTERFACE status 2>/dev/null | jsonfilter -q -l 1 -e "@.inactive.route[@.source=\"${interface_ip6}/56\"].nexthop" | tr -d "\n")
		fi
		if [ -z "$interface_gw" ]; then
			interface_gw=$(ubus call network.interface.$INTERFACE status 2>/dev/null | jsonfilter -q -l 1 -e '@.inactive.route[@.target="::"].nexthop' | tr -d "\n")
		fi
		if [ -z "$interface_gw" ]; then
			interface_gw=$(ubus call network.interface.$INTERFACE status 2>/dev/null | jsonfilter -q -l 1 -e '@.inactive.route[@.nexthop="::"].target' | tr -d "\n")
		fi
		if [ -z "$interface_gw" ]; then
			interface_gw=$(ubus call network.interface.$INTERFACE status 2>/dev/null | jsonfilter -q -l 1 -e '@.route[@.target="::"].nexthop' | tr -d "\n")
		fi
		if [ -z "$interface_gw" ]; then
			interface_gw=$(ubus call network.interface.$INTERFACE status 2>/dev/null | jsonfilter -q -l 1 -e '@.route[@.nexthop="::"].target' | tr -d "\n")
		fi
		if [ -z "$interface_gw" ]; then
			interface_gw=$(ubus call network.interface.${INTERFACE}_6 status 2>/dev/null | jsonfilter -q -l 1 -e '@.inactive.route[@.target="::"].nexthop' | tr -d "\n")
		fi
		if [ "$interface_gw" != "" ] && [ "$interface_if" != "" ] && [ -n "$(echo $interface_gw | grep :)" ]; then
			if [ "$(uci -q get network.$INTERFACE.weight)" != "" ]; then
				weight=$(uci -q get network.$INTERFACE.weight)
			elif [ "$(uci -q get openmtpcprouter.$INTERFACE.weight)" != "" ]; then
				weight=$(uci -q get openmtpcprouter.$INTERFACE.weight)
			elif [ "$multipath_config_route" = "master" ]; then
				weight=100
			else
				weight=1
			fi
			if [ "$multipath_config_route" = "backup" ]; then
				nbintfb6=$((nbintfb6+1))
				if [ -z "$routesbalancingbackup6" ]; then
					routesbalancingbackup6="nexthop via $interface_gw dev $interface_if weight $weight"
				else
					routesbalancingbackup6="$routesbalancingbackup6 nexthop via $interface_gw dev $interface_if weight $weight"
				fi
			else
				nbintf6=$((nbintf6+1))
				if [ -z "$routesbalancing6" ]; then
					routesbalancing6="nexthop via $interface_gw dev $interface_if weight $weight"
				else
					routesbalancing6="$routesbalancing6 nexthop via $interface_gw dev $interface_if weight $weight"
				fi
			fi
		fi
	fi
}

set_server_all_routes() {
	local server=$1
	[ -z "$OMR_TRACKER_INTERFACE" ] && return
	server_route() {
		local serverip multipath_config_route
		serverip=$1
		[ -n "$serverip" ] && serverip="$(resolveip -4 -t 5 $serverip | head -n 1 | tr -d '\n')"
		config_get disabled $server disabled
		[ "$disabled" = "1" ] && return
		#network_get_device interface_if $OMR_TRACKER_INTERFACE
		[ -z "$interface_if" ] && interface_if=$(ifstatus "$OMR_TRACKER_INTERFACE" 2>/dev/null | jsonfilter -q -e '@["l3_device"]')
		[ -z "$interface_if" ] && interface_if=$(ifstatus "${OMR_TRACKER_INTERFACE}_4" 2>/dev/null | jsonfilter -q -e '@["l3_device"]')
		[ -z "$interface_if" ] && interface_if=$(ifstatus "$OMR_TRACKER_INTERFACE" | jsonfilter -q -e '@["device"]')
		[ -z "$interface_if" ] && interface_if=$(uci -q get network.$OMR_TRACKER_INTERFACE.ifname)
		[ -z "$interface_if" ] && interface_if=$(uci -q get network.$OMR_TRACKER_INTERFACE.device)
		interface_up=$(ifstatus "$OMR_TRACKER_INTERFACE" 2>/dev/null | jsonfilter -q -e '@["up"]')
		multipath_config_route=$(uci -q get openmptcprouter.$OMR_TRACKER_INTERFACE.multipath || echo "off")
		[ -z "$multipath_config_route" ] && multipath_config_route=$(uci -q get network.$OMR_TRACKER_INTERFACE.multipath || echo 'off')
		[ "$(uci -q get openmptcprouter.$OMR_TRACKER_INTERFACE.multipathvpn)" = "1" ] && {
			[ "$(uci -q get openmptcprouter.settings.mptcpovervpn)" = "openvpn" ] && multipath_config_route="$(uci -q get openmptcprouter.ovpn${OMR_TRACKER_INTERFACE}.multipath || echo "off")"
			[ "$(uci -q get openmptcprouter.settings.mptcpovervpn)" = "wireguard" ] && multipath_config_route="$(uci -q get openmptcprouter.wg${OMR_TRACKER_INTERFACE}.multipath || echo "off")"
		}
		if [ "$serverip" != "" ] && [ "$OMR_TRACKER_DEVICE_GATEWAY" != "" ] && [ "$multipath_config_route" != "off" ] && [ "$interface_up" = "true" ]; then
			routesintf=""
			routesintfbackup=""
			nbintf=0
			nbintfb=0
			config_load network
			config_foreach set_routes_intf interface
			uintf="$(echo $routesintf | awk '{print $5}')"
			uintfb="$(echo $routesintfbackup | awk '{print $5}')"
			if [ -n "$routesintf" ] && { [ "$nbintf" -gt "1" ] && [ "$(ip r show $serverip metric 1 | tr -d '\t' | tr -d '\n' | sed 's/ *$//' | tr ' ' '\n' | sort | tr -d '\n')" != "$(echo $serverip $routesintf | sed 's/ *$//' | tr ' ' '\n' | sort | tr -d '\n')" ]; } || { [ "$nbintf" = "1" ] && [ -n "$uintf" ] && [ "$(ip r show $serverip metric 1 | grep $uintf)" = "" ]; }; then
				while [ "$(ip r show $serverip | grep -v nexthop | sed 's/ //g' | tr -d '\n')" != "$serverip" ] && [ "$(ip r show $serverip | grep -v nexthop | sed 's/ //g' | tr -d '\n')" != "" ]; do
					ip r del $serverip
				done
				[ "$(uci -q get openmptcprouter.settings.debug)" = "true" ] && _log "Set server $server ($serverip) default route $serverip $routesintf"
				ip route replace $serverip scope global metric 1 $routesintf >/dev/null 2>&1
				[ "$(uci -q get openmptcprouter.settings.debug)" = "true" ] && _log "New server route is $(ip r show $serverip metric 1 | tr -d '\t' | tr -d '\n')"
			fi
			if [ -n "$routesintfbackup" ] && { [ "$nbintfb" -gt "1" ] && [ "$(ip r show $serverip metric 999 | tr -d '\t' | tr -d '\n' | sed 's/ *$//' | tr ' ' '\n' | sort | tr -d '\n')" != "$(echo $serverip $routesintfbackup | sed 's/ *$//' | tr ' ' '\n' | sort | tr -d '\n')" ]; } || { [ "$nbintfb" = "1" ] && [ -n "$uintfb" ] && [ "$(ip r show $serverip metric 999 | grep $uintfb)" = "" ]; }; then
				[ "$(uci -q get openmptcprouter.settings.debug)" = "true" ] && _log "Set server $server ($serverip) backup default route $serverip $routesintfbackup nbintfb $nbintfb $OMR_TRACKER_DEVICE"
				ip route replace $serverip scope global metric 999 $routesintfbackup >/dev/null 2>&1
			fi
		fi
	}
	config_load openmptcprouter
	config_list_foreach $server ip server_route
}

set_server_all_routes6() {
	local server=$1
	[ -z "$OMR_TRACKER_INTERFACE" ] && return
	server_route() {
		local serverip multipath_config_route
		serverip=$1
		[ -n "$serverip" ] && serverip="$(resolveip -6 -t 5 $serverip | head -n 1 | tr -d '\n')"
		config_get disabled $server disabled
		[ "$disabled" = "1" ] && return
		#network_get_device interface_if $OMR_TRACKER_INTERFACE
		[ -z "$interface_if" ] && interface_if=$(ifstatus "$OMR_TRACKER_INTERFACE" 2>/dev/null | jsonfilter -q -e '@["l3_device"]')
		[ -z "$interface_if" ] && interface_if=$(ifstatus "${OMR_TRACKER_INTERFACE}_6" 2>/dev/null | jsonfilter -q -e '@["l3_device"]')
		[ -z "$interface_if" ] && interface_if=$(ifstatus "$OMR_TRACKER_INTERFACE" | jsonfilter -q -e '@["device"]')
		[ -z "$interface_if" ] && interface_if=$(uci -q get network.$OMR_TRACKER_INTERFACE.ifname)
		[ -z "$interface_if" ] && interface_if=$(uci -q get network.$OMR_TRACKER_INTERFACE.device)
		interface_up=$(ifstatus "$OMR_TRACKER_INTERFACE" 2>/dev/null | jsonfilter -q -e '@["up"]')
		multipath_config_route=$(uci -q get openmptcprouter.$OMR_TRACKER_INTERFACE.multipath || echo "off")
		[ "$(uci -q get openmptcprouter.$OMR_TRACKER_INTERFACE.multipathvpn)" = "1" ] && {
			[ "$(uci -q get openmptcprouter.settings.mptcpovervpn)" = "openvpn" ] && multipath_config_route="$(uci -q get openmptcprouter.ovpn${OMR_TRACKER_INTERFACE}.multipath || echo "off")"
			[ "$(uci -q get openmptcprouter.settings.mptcpovervpn)" = "wireguard" ] && multipath_config_route="$(uci -q get openmptcprouter.wg${OMR_TRACKER_INTERFACE}.multipath || echo "off")"
		}
		if [ "$serverip" != "" ] && [ "$OMR_TRACKER_DEVICE_GATEWAY6" != "" ] && [ "$multipath_config_route" != "off" ] && [ "$interface_up" = "true" ]; then
			routesintf=""
			routesintfbackup=""
			nbintf6=0
			nbintfb6=0
			config_load network
			config_foreach set_routes_intf6 interface
			uintf="$(echo $routesintf6 | awk '{print $5}')"
			uintfb="$(echo $routesintfbackup6 | awk '{print $5}')"
			if [ -n "$routesintf6" ] && { [ "$nbintf6" -gt "1" ] && [ "$(ip -6 r show $serverip metric 1 | tr -d '\t' | sort | tr -d '\n' | sed 's/ *$//')" != "$(echo $serverip $routesintf6 | sort | sed 's/ *$//')" ]; } || { [ "$nbintf6" = "1" ] && [ -n "$uintf" ] && [ "$(ip -6 r show $serverip metric 1 | grep $uintf)" = "" ]; }; then
				while [ "$(ip -6 r show $serverip | grep -v nexthop | sed 's/ //g' | tr -d '\n')" != "$serverip" ] && [ "$(ip -6 r show $serverip | grep -v nexthop | sed 's/ //g' | tr -d '\n')" != "" ]; do
					ip -6 r del $serverip
				done
				[ "$(uci -q get openmptcprouter.settings.debug)" = "true" ] && _log "Set server $server ($serverip) default route $serverip $routesintf6"
				ip -6 route replace $serverip scope global metric 1 $routesintf6 >/dev/null 2>&1
				[ "$(uci -q get openmptcprouter.settings.debug)" = "true" ] && _log "New server route is $(ip -6 r show $serverip metric 1 | tr -d '\t' | tr -d '\n')"
			fi
			if [ -n "$routesintfbackup6" ] && { [ "$nbintfb6" -gt "1" ] && [ "$(ip -6 r show $serverip metric 999 | tr -d '\t' | tr -d '\n')" != "$serverip $routesintfbackup6 " ]; } || { [ "$nbintfb6" = "1" ] && [ -n "$uintfb" ] && [ "$(ip -6 r show $serverip metric 999 | grep $uintfb)" = "" ]; }; then
				[ "$(uci -q get openmptcprouter.settings.debug)" = "true" ] && _log "Set server $server ($serverip) backup default route $serverip $routesintfbackup6 nbintfb $nbintfb6 $OMR_TRACKER_DEVICE"
				ip -6 route replace $serverip scope global metric 999 $routesintfbackup6 >/dev/null 2>&1
			fi
		fi
	}
	config_load openmptcprouter
	config_list_foreach $server ip server_route
}



set_server_route() {
	local server=$1
	[ -z "$OMR_TRACKER_INTERFACE" ] && return
	server_route() {
		local serverip multipath_config_route
		serverip=$1
		[ -n "$serverip" ] && serverip="$(resolveip -4 -t 5 $serverip | head -n 1 | tr -d '\n')"
		config_get disabled $server disabled
		[ "$disabled" = "1" ] && return
		local metric=$2
		[ -z "$metric" ] && metric=$(uci -q get network.$OMR_TRACKER_INTERFACE.metric)
		multipath_config_route=$(uci -q get openmptcprouter.$OMR_TRACKER_INTERFACE.multipath)
		[ "$multipath_config_route" ] && multipath_config_route=$(uci -q get network.$OMR_TRACKER_INTERFACE.multipath || echo "off")
		[ "$(uci -q get openmptcprouter.$OMR_TRACKER_INTERFACE.multipathvpn)" = "1" ] && {
			[ "$(uci -q get openmptcprouter.settings.mptcpovervpn)" = "openvpn" ] && multipath_config_route="$(uci -q get openmptcprouter.ovpn${OMR_TRACKER_INTERFACE}.multipath || echo "off")"
			[ "$(uci -q get openmptcprouter.settings.mptcpovervpn)" = "wireguard" ] && multipath_config_route="$(uci -q get openmptcprouter.wg${OMR_TRACKER_INTERFACE}.multipath || echo "off")"
		}
		#network_get_device interface_if $OMR_TRACKER_INTERFACE
		[ -z "$interface_if" ] && interface_if=$(ifstatus "$OMR_TRACKER_INTERFACE" 2>/dev/null | jsonfilter -q -e '@["l3_device"]')
		[ -z "$interface_if" ] && interface_if=$(ifstatus "${OMR_TRACKER_INTERFACE}_4" 2>/dev/null | jsonfilter -q -e '@["l3_device"]')
		[ -z "$interface_if" ] && interface_if=$(ifstatus "$OMR_TRACKER_INTERFACE" | jsonfilter -q -e '@["device"]')
		[ -z "$interface_if" ] && interface_if=$(uci -q get network.$OMR_TRACKER_INTERFACE.ifname)
		[ -z "$interface_if" ] && interface_if=$(uci -q get network.$OMR_TRACKER_INTERFACE.device)
		interface_up=$(ifstatus "$OMR_TRACKER_INTERFACE" 2>/dev/null | jsonfilter -q -e '@["up"]')
		#multipath_current_config=$(multipath $interface_if | grep "deactivated")
		interface_current_config=$(uci -q get openmptcprouter.$OMR_TRACKER_INTERFACE.state || echo "up")
		#if [ "$serverip" != "" ] && [ "$OMR_TRACKER_DEVICE_GATEWAY" != "" ] && [ "$(ip route show dev $OMR_TRACKER_DEVICE metric $metric | grep $serverip | grep $OMR_TRACKER_DEVICE_GATEWAY)" = "" ] && [ "$multipath_config_route" != "off" ] && [ "$multipath_current_config" = "" ]; then
		if [ "$serverip" != "" ] && [ -n "$OMR_TRACKER_DEVICE" ] && [ "$OMR_TRACKER_DEVICE_GATEWAY" != "" ] && [ "$(ip route show dev $OMR_TRACKER_DEVICE metric $metric | grep $serverip | grep $OMR_TRACKER_DEVICE_GATEWAY)" = "" ] && [ "$multipath_config_route" != "off" ] && [ "$interface_current_config" = "up" ] && [ "$interface_up" = "true" ]; then
			[ "$(uci -q get openmptcprouter.settings.debug)" = "true" ] && _log "Set server $server ($serverip) route via $OMR_TRACKER_DEVICE_GATEWAY metric $metric"
			ip route replace $serverip via $OMR_TRACKER_DEVICE_GATEWAY dev $OMR_TRACKER_DEVICE metric $metric $initcwrwnd >/dev/null 2>&1
		fi
	}
	config_list_foreach $server ip server_route
	if [ "$(uci -q get openmptcprouter.settings.defaultgw)" != "0" ] && [ -n "$metric" ] && [ "$OMR_TRACKER_DEVICE_GATEWAY" != "" ] && [ -n "$OMR_TRACKER_DEVICE" ] && [ "$(ip route show dev $OMR_TRACKER_DEVICE metric $metric | grep default | grep $OMR_TRACKER_DEVICE_GATEWAY)" = "" ] && [ "$multipath_config_route" != "off" ] && [ "$interface_current_config" = "up" ] && [ "$interface_up" = "true" ]; then
		ip route replace default via $OMR_TRACKER_DEVICE_GATEWAY dev $OMR_TRACKER_DEVICE metric $metric $initcwrwnd >/dev/null 2>&1
	fi
}

set_server_route6() {
	local server=$1
	[ -z "$OMR_TRACKER_INTERFACE" ] && return
	server_route() {
		local serverip multipath_config_route
		serverip=$1
		[ -n "$serverip" ] && serverip="$(resolveip -6 -t 5 $serverip | head -n 1 | tr -d '\n')"
		config_get disabled $server disabled
		[ "$disabled" = "1" ] && return
		local metric=$2
		[ -z "$metric" ] && metric=$(uci -q get network.$OMR_TRACKER_INTERFACE.metric)
		multipath_config_route=$(uci -q get openmptcprouter.$OMR_TRACKER_INTERFACE.multipath)
		[ "$multipath_config_route" ] && multipath_config_route=$(uci -q get network.$OMR_TRACKER_INTERFACE.multipath || echo "off")
		[ "$(uci -q get openmptcprouter.$OMR_TRACKER_INTERFACE.multipathvpn)" = "1" ] && {
			[ "$(uci -q get openmptcprouter.settings.mptcpovervpn)" = "openvpn" ] && multipath_config_route="$(uci -q get openmptcprouter.ovpn${OMR_TRACKER_INTERFACE}.multipath || echo "off")"
			[ "$(uci -q get openmptcprouter.settings.mptcpovervpn)" = "wireguard" ] && multipath_config_route="$(uci -q get openmptcprouter.wg${OMR_TRACKER_INTERFACE}.multipath || echo "off")"
		}
		#network_get_device interface_if $OMR_TRACKER_INTERFACE
		[ -z "$interface_if" ] && interface_if=$(ifstatus "$OMR_TRACKER_INTERFACE" 2>/dev/null | jsonfilter -q -e '@["l3_device"]')
		[ -z "$interface_if" ] && interface_if=$(ifstatus "${OMR_TRACKER_INTERFACE}_6" 2>/dev/null | jsonfilter -q -e '@["l3_device"]')
		[ -z "$interface_if" ] && interface_if=$(ifstatus "$OMR_TRACKER_INTERFACE" | jsonfilter -q -e '@["device"]')
		[ -z "$interface_if" ] && interface_if=$(uci -q get network.$OMR_TRACKER_INTERFACE.ifname)
		[ -z "$interface_if" ] && interface_if=$(uci -q get network.$OMR_TRACKER_INTERFACE.device)
		interface_up=$(ifstatus "$OMR_TRACKER_INTERFACE" 2>/dev/null | jsonfilter -q -e '@["up"]')
		#multipath_current_config=$(multipath $interface_if | grep "deactivated")
		interface_current_config=$(uci -q get openmptcprouter.$OMR_TRACKER_INTERFACE.state || echo "up")
		#if [ "$serverip" != "" ] && [ "$OMR_TRACKER_DEVICE_GATEWAY6" != "" ] && [ "$(ip -6 route show dev $OMR_TRACKER_DEVICE metric $metric | grep $serverip | grep $OMR_TRACKER_DEVICE_GATEWAY)" = "" ] && [ "$multipath_config_route" != "off" ] && [ "$multipath_current_config" = "" ]; then
		if [ "$serverip" != "" ] && [ "$OMR_TRACKER_DEVICE_GATEWAY6" != "" ] && [ -n "$OMR_TRACKER_DEVICE" ] && [ "$(ip -6 route show dev $OMR_TRACKER_DEVICE metric $metric | grep $serverip | grep $OMR_TRACKER_DEVICE_GATEWAY6)" = "" ] && [ "$multipath_config_route" != "off" ] && [ "$interface_current_config" = "up" ] && [ "$interface_up" = "true" ]; then
			[ "$(uci -q get openmptcprouter.settings.debug)" = "true" ] && _log "Set server $server ($serverip) route via $OMR_TRACKER_DEVICE_GATEWAY metric $metric"
			ip -6 route replace $serverip via $OMR_TRACKER_DEVICE_GATEWAY6 dev $OMR_TRACKER_DEVICE metric $metric >/dev/null 2>&1
		fi
	}
	config_list_foreach $server ip server_route
	if [ "$(uci -q get openmptcprouter.settings.defaultgw)" != "0" ] && [ "$OMR_TRACKER_DEVICE_GATEWAY6" != "" ] && [ -n "$OMR_TRACKER_DEVICE" ] && [ -n "$metric" ] && [ "$(ip -6 route show dev $OMR_TRACKER_DEVICE metric $metric | grep default | grep $OMR_TRACKER_DEVICE_GATEWAY6)" = "" ] && [ "$multipath_config_route" != "off" ] && [ "$interface_current_config" = "up" ] && [ "$interface_up" = "true" ]; then
		ip -6 route replace default via $OMR_TRACKER_DEVICE_GATEWAY6 dev $OMR_TRACKER_DEVICE metric $metric >/dev/null 2>&1
	fi
}

del_server_route() {
	local server=$1
	remove_route() {
		local serverip="$1"
		[ -n "$serverip" ] && serverip="$(resolveip -4 -t 5 $serverip | head -n 1 | tr -d '\n')"
		[ -n "$serverip" ] && _log "Delete default route to $serverip dev $OMR_TRACKER_DEVICE"
		local metric
		if [ -z "$OMR_TRACKER_INTERFACE" ]; then
			metric=0
		else
			metric=$(uci -q get network.$OMR_TRACKER_INTERFACE.metric)
		fi
		[ -n "$metric" ] && [ -n "$OMR_TRACKER_DEVICE" ] && [ -n "$serverip" ] && [ -n "$(ip route show $serverip dev $OMR_TRACKER_DEVICE metric $metric)" ] && ip route del $serverip dev $OMR_TRACKER_DEVICE metric $metric >/dev/null 2>&1
		[ -n "$OMR_TRACKER_DEVICE" ] && [ -n "$serverip" ] && [ -n "$(ip route show $serverip dev $OMR_TRACKER_DEVICE)" ] && ip route del $serverip dev $OMR_TRACKER_DEVICE >/dev/null 2>&1
		[ -n "$OMR_TRACKER_DEVICE" ] && [ -n "$serverip" ] && [ -n "$(ip route show $serverip | grep $OMR_TRACKER_DEVICE)" ] && ip route del $serverip dev $OMR_TRACKER_DEVICE >/dev/null 2>&1
	}
	config_list_foreach $server ip remove_route
	if [ -n "$OMR_TRACKER_DEVICE_GATEWAY" ] && [ -n "$OMR_TRACKER_DEVICE" ]; then
		[ -n "$(ip route show default via $OMR_TRACKER_DEVICE_GATEWAY dev $OMR_TRACKER_DEVICE)" ] && ip route del default via $OMR_TRACKER_DEVICE_GATEWAY dev $OMR_TRACKER_DEVICE >/dev/null 2>&1
	elif [ -n "$OMR_TRACKER_DEVICE" ]; then
		[ -n "$(ip route show default dev $OMR_TRACKER_DEVICE)" ] && ip route del default dev $OMR_TRACKER_DEVICE >/dev/null 2>&1
	fi
}

del_server_route6() {
	local server=$1
	remove_route() {
		local serverip="$1"
		[ -n "$serverip" ] && serverip="$(resolveip -6 -t 5 $serverip | head -n 1 | tr -d '\n')"
		[ -n "$serverip" ] && _log "Delete default route to $serverip via $OMR_TRACKER_DEVICE_GATEWAY6 dev $OMR_TRACKER_DEVICE"
		local metric
		if [ -z "$OMR_TRACKER_INTERFACE" ]; then
			metric=0
		else
			metric=$(uci -q get network.$OMR_TRACKER_INTERFACE.metric)
		fi
		[ -n "$OMR_TRACKER_DEVICE" ] && [ -n "$metric" ] && [ -n "$serverip" ] && [ -n "$(ip -6 route show $serverip dev $OMR_TRACKER_DEVICE metric $metric)" ] && ip -6 route del $serverip dev $OMR_TRACKER_DEVICE metric $metric >/dev/null 2>&1
		[ -n "$OMR_TRACKER_DEVICE" ] && [ -n "$metric" ] && [ -n "$serverip" ] && [ -n "$(ip -6 route show $serverip dev $OMR_TRACKER_DEVICE)" ] && ip -6 route del $serverip dev $OMR_TRACKER_DEVICE >/dev/null 2>&1
	}
	config_list_foreach $server ip remove_route
	if [ -n "$OMR_TRACKER_DEVICE_GATEWAY6" ] && [ -n "$OMR_TRACKER_DEVICE" ]; then
		[ -n "$(ip -6 route show default via $OMR_TRACKER_DEVICE_GATEWAY6 dev $OMR_TRACKER_DEVICE)" ] && ip -6 route del default via $OMR_TRACKER_DEVICE_GATEWAY6 dev $OMR_TRACKER_DEVICE >/dev/null 2>&1
	elif [ -n "$OMR_TRACKER_DEVICE" ]; then
		[ -n "$(ip -6 route show default dev $OMR_TRACKER_DEVICE)" ] && ip -6 route del default dev $OMR_TRACKER_DEVICE >/dev/null 2>&1
	fi
}

enable_pihole() {
	local server=$1
	nbserver=$((nbserver+1))
	if [ -n "$server" ] && [ "$(uci -q get openmptcprouter.${server}.pihole)" = "1" ] && [ "$(uci -q get dhcp.@dnsmasq[0].server | grep '127.0.0.1#5353')" != "" ]; then
		piholeenabled=$((piholeenabled+1))
	fi
}

dns_flush() {
	unbound-control flush-negative >/dev/null 2>&1
	unbound-control flush-bogus >/dev/null 2>&1
}

#if [ -n "$RANDOM" ]; then
#	sleep `expr $RANDOM % 10`
#else
#	sleep `awk 'BEGIN{srand();print int(rand()*9)}'`
#fi


# Get the current multipath status
multipath_status="off"
if [ -e "/sys/class/net/$OMR_TRACKER_DEVICE" ] && [ "$(uci -q get network.globals.multipath)" = "enable" ]; then
	case "$(multipath "$OMR_TRACKER_DEVICE")" in
		*default*)      multipath_status="on"       ;;
		*backup*)       multipath_status="backup"   ;;
		*handover*)     multipath_status="handover" ;;
	esac
fi


#default_gw=$(ip route show default | awk '/default/ {print $3}')
#default_gw6=$(ip -6 route show default | awk '/default/ {print $3}')
default_gw=$(ip route get 1.1.1.1 | grep via | awk '{print $3}')
default_gw6=$(ip -6 route get 2606:4700:4700::1111 | grep via | awk '{print $3}')
#current_interface_gw=$(uci -q get "network.$OMR_TRACKER_INTERFACE.gateway")


initcwrwnd=""
interface_up=$(ifstatus "$OMR_TRACKER_INTERFACE" 2>/dev/null | jsonfilter -q -e '@["up"]')

if [ "$OMR_TRACKER_INTERFACE" = "glorytun" ] || [ "$OMR_TRACKER_INTERFACE" = "omrvpn" ] || [ "$OMR_TRACKER_INTERFACE" = "omr6in4" ]; then
	if [ "$OMR_TRACKER_INTERFACE" = "omrvpn" ]; then
		uci -q set openmptcprouter.omr.vpn='up'
	fi
	if [ "$(uci -q get openmptcprouter.settings.shadowsocksudp)" = "1" ] && [ "$(uci -q get shadowsocks-libev.sss0.disabled)" != "1" ] && [ -n "$(uci -q get shadowsocks-libev.sss0)" ] && [ "$(uci -q get shadowsocks-libev.ss_rules.redir_udp)" = "hi1" ]; then
		_log "Tunnel up disable use of ShadowSocks for UDP"
		uci -q delete shadowsocks-libev.ss_rules.redir_udp
		if /etc/init.d/shadowsocks-libev rules_exist ; then
			/etc/init.d/shadowsocks-libev rules_down >/dev/null 2>&1
			/etc/init.d/shadowsocks-libev rules_up >/dev/null 2>&1
		fi
	fi
	if { [ "$default_gw" != "$OMR_TRACKER_DEVICE_GATEWAY" ] || [ "$default_gw" = "" ]; } && [ "$OMR_TRACKER_DEVICE_GATEWAY" != "" ]; then
		_log "Tunnel up : Replace default route by $OMR_TRACKER_DEVICE_GATEWAY dev $OMR_TRACKER_DEVICE (was $default_gw)"
		[ "$(uci -q get openmptcprouter.settings.debug)" = "true" ] && _log "Default gw : $default_gw - Current route: $(ip r)"
		ip route replace default scope global via $OMR_TRACKER_DEVICE_GATEWAY dev $OMR_TRACKER_DEVICE $initcwrwnd >/dev/null 2>&1
		if [ "$(pgrep -f openmptcprouter-vps)" = "" ]; then
			/etc/init.d/openmptcprouter-vps restart >/dev/null 2>&1 &
		fi
		[ "$(uci -q get shadowsocks-libev.sss0.disabled)" != "1" ] && conntrack -D -p udp >/dev/null 2>&1
		[ "$(uci -q get openmptcprouter.settings.debug)" = "true" ] && _log "New route: $(ip r)"
	fi

	# Set VPN MTU
	if [ -n "$OMR_TRACKER_LATENCY" ] && [ -n "$OMR_TRACKER_INTERFACE" ] && { [ "$(uci -q get openmptcprouter.$OMR_TRACKER_INTERFACE.lc)" = "" ] || [ $(($(date +"%s") - $(uci -q get openmptcprouter.$OMR_TRACKER_INTERFACE.lc))) -gt 3600 ]; }; then
		_log "Set VPN MTU"
		serverip=$(uci -q get shadowsocks-libev.sss0.server)
		[ -z "$serverip" ] && serverip=$(uci -q get shadowsocks-rust.sss0.server)
		[ -z "$serverip" ] && serverip=$(uci -q get v2ray.omrout.s_vless_address)
		[ -n "$serverip" ] && serverip="$(resolveip -4 -t 5 $serverip | head -n 1 | tr -d '\n')"
		if [ "$serverip" = "192.168.1.3" ] || [ "$serverip" = "127.0.0.1" ]; then
			serverip=""
		fi
		uci -q set openmptcprouter.$OMR_TRACKER_INTERFACE="interface"
		uci -q set openmptcprouter.$OMR_TRACKER_INTERFACE.latency="$OMR_TRACKER_LATENCY"
		#if [ "$(uci -q get glorytun.vpn.enable)" != "1" ] || [ "$(uci -q get glorytun-udp.vpn.enable)" != "1" ]; then
			OMR_NETWORK_DEVICE=$(find_network_device ${OMR_TRACKER_INTERFACE})
			#_log "OMR_NETWORK_DEVICE: $OMR_NETWORK_DEVICE for $OMR_TRACKER_DEVICE - $OMR_TRACKER_INTERFACE"
			if [ -n "$OMR_NETWORK_DEVICE" ] && [ -n "$(uci -q get network.$OMR_NETWORK_DEVICE.mtu)" ] && [ -n "$OMR_TRACKER_DEVICE" ]; then
				mtu=$(uci -q get network.$OMR_NETWORK_DEVICE.mtu)
				uci -q set openmptcprouter.${OMR_TRACKER_INTERFACE}.mtu=$mtu
				[ -n "$mtu" ] && [ "$(ip --json link show dev eth3 | jsonfilter -e '@[0].mtu' | tr -d '\n')" != "$mtu" ] && ip link set dev $OMR_TRACKER_DEVICE mtu $mtu > /dev/null 2>&1
				uci -q set openmptcprouter.$OMR_TRACKER_INTERFACE.lc=$(date +"%s")
			elif [ -z "$(uci -q get openmptcprouter.${OMR_TRACKER_INTERFACE}.mtu)" ] && [ -n "$OMR_TRACKER_DEVICE_IP" ] && [ -n "$OMR_TRACKER_DEVICE" ]; then
				if [ -n "$serverip" ] && [ "$serverip" != "127.0.0.1" ]; then 
					mtu=$(omr-mtu $OMR_TRACKER_DEVICE_IP $serverip)
					#local mtu=$(omr-mtu $OMR_TRACKER_DEVICE_IP 8.8.8.8)
					[ -n "$mtu" ] && {
						uci -q set openmptcprouter.${OMR_TRACKER_INTERFACE}.mtu=$mtu
						ip link set dev $OMR_TRACKER_DEVICE mtu $mtu > /dev/null 2>&1
						uci -q set openmptcprouter.$OMR_TRACKER_INTERFACE.lc=$(date +"%s")
					}
				else
					mtu=$(omr-mtu $OMR_TRACKER_DEVICE_IP 1.1.1.1)
					[ -n "$mtu" ] && {
						uci -q set openmptcprouter.$OMR_TRACKER_INTERFACE.mtu=$mtu
						ip link set dev $OMR_TRACKER_DEVICE mtu $mtu > /dev/null 2>&1
						uci -q set openmptcprouter.$OMR_TRACKER_INTERFACE.lc=$(date +"%s")
					}
				fi
			else
				uci -q set openmptcprouter.$OMR_TRACKER_INTERFACE.lc=$(date +"%s")
			fi
		#else
		#	uci -q set openmptcprouter.$OMR_TRACKER_INTERFACE.lc=$(date +"%s")
		#fi
	fi
	[ -n "$(uci -q changes openmptcprouter)" ] && uci -q commit openmptcprouter
	nbserver=0
	piholeenabled=0
	config_load openmptcprouter
	config_foreach enable_pihole server
	#config_foreach delete_server_default_route server
	[ "$nbserver" = "$piholeenabled" ] && /etc/init.d/openmptcprouter-vps set_pihole >/dev/null 2>&1
	#ubus call network reload
	exit 0
fi

if [ -n "$OMR_TRACKER_INTERFACE" ] && [ "$(uci -q get openmptcprouter.$OMR_TRACKER_INTERFACE.vpn)" = "1" ]; then
	if [ "$(uci -q get openmptcprouter.$OMR_TRACKER_INTERFACE.state)" != "up" ]; then
		uci -q set openmptcprouter.$OMR_TRACKER_INTERFACE.state='up'
		[ -n "$(uci -q changes openmptcprouter)" ] && uci -q commit openmptcprouter
	fi
	exit 0
fi
uci -q del openmptcprouter.$OMR_TRACKER_INTERFACE.restart_intf

if [ "$OMR_TRACKER_PREV_STATUS" != "" ] && [ "$OMR_TRACKER_PREV_STATUS" != "$OMR_TRACKER_STATUS" ] && [ -n "$OMR_TRACKER_INTERFACE" ]; then
	_log "$OMR_TRACKER_INTERFACE ($OMR_TRACKER_DEVICE) switched up"
	mail_alert="$(uci -q get omr-tracker.$OMR_TRACKER_INTERFACE.mail_alert)"
	[ -z "$mail_alert" ] && mail_alert="$(uci -q get omr-tracker.defaults.mail_alert)"
	[ "$mail_alert" = "1" ] && [ -n "$(uci -q get mail.default.to)" ] && {
		OMR_SYSNAME="$(uci -q get system.@system[0].hostname)"
		if [ "$(uci -q get omr-tracker.defaults.mail_up_subject)" != "" ] && [ "$(uci -q get omr-tracker.defaults.mail_up_message)" != "" ]; then
			mail_subject="$(uci -q get omr-tracker.defaults.mail_up_subject)"
			mail_subject=`echo $mail_subject | sed -e "s/%SYSNAME%/$OMR_SYSNAME/g" -e "s/%INTERFACE%/$OMR_TRACKER_INTERFACE/g" -e "s/%DEVICE%/$OMR_TRACKER_DEVICE/g" -e "s/%MESSAGE%/$OMR_TRACKER_STATUS_MSG/g"`
			mail_message="$(uci -q get omr-tracker.defaults.mail_up_message)"
			mail_message=`echo $mail_message | sed -e "s/%SYSNAME%/$OMR_SYSNAME/g" -e "s/%INTERFACE%/$OMR_TRACKER_INTERFACE/g" -e "s/%DEVICE%/$OMR_TRACKER_DEVICE/g" -e "s/%MESSAGE%/$OMR_TRACKER_STATUS_MSG/g"`
			echo -e "Subject: ${mail_subject}\n\n${mail_message}" | sendmail $(uci -q get mail.default.to)
		else
			echo -e "Subject: $OMR_SYSNAME: $OMR_TRACKER_INTERFACE ($OMR_TRACKER_DEVICE) is up\n\nDetected that connection $OMR_TRACKER_INTERFACE ($OMR_TRACKER_DEVICE) is up again." | sendmail $(uci -q get mail.default.to)
		fi
	}
	script_alert_up="$(uci -q get omr-tracker.$OMR_TRACKER_INTERFACE.script_alert_up)"
	[ -n "$script_alert_up" ] && eval $script_alert_up
fi
if [ -n "$OMR_TRACKER_INTERFACE" ] && [ "$(uci -q get openmptcprouter.$OMR_TRACKER_INTERFACE.state)" != "up" ]; then
	uci -q set openmptcprouter.$OMR_TRACKER_INTERFACE.state='up'
	dns_flush
fi

if [ -n "$OMR_TRACKER_INTERFACE" ]; then
	multipath_config=$(uci -q get "openmtpcprouter.$OMR_TRACKER_INTERFACE.multipath")
	[ -z "$multipath_config" ] && multipath_config=$(uci -q get "network.$OMR_TRACKER_INTERFACE.multipath" || echo "off")
	[ "$(uci -q get openmptcprouter.$OMR_TRACKER_INTERFACE.multipathvpn)" = "1" ] && {
		[ "$(uci -q get openmptcprouter.settings.mptcpovervpn)" = "openvpn" ] && multipath_config_route="$(uci -q get openmptcprouter.ovpn${OMR_TRACKER_INTERFACE}.multipath || echo "off")"
		[ "$(uci -q get openmptcprouter.settings.mptcpovervpn)" = "wireguard" ] && multipath_config_route="$(uci -q get openmptcprouter.wg${OMR_TRACKER_INTERFACE}.multipath || echo "off")"
	}
fi

if [ "$multipath_config" = "master" ]; then
	if [ "$(uci -q get openmptcprouter.settings.master)" != "balancing" ]; then
		if { [ "$default_gw" != "$OMR_TRACKER_DEVICE_GATEWAY" ] || [ "$default_gw" = "" ]; } && [ "$OMR_TRACKER_DEVICE_GATEWAY" != "" ]; then
			omrvpn_intf=$(uci -q get "network.omrvpn.device" || echo "tun0")
			[ -z "$omrvpn_intf" ] && omrvpn_intf=$(uci -q get "network.omrvpn.ifname" || echo "tun0")
			if [ -n "$omrvpn_intf" ] && [ "$(ip route show default metric 0 | awk '/default/ {print $5}' | grep $omrvpn_intf)" = "" ] && [ "$(uci -q get openmptcprouter.settings.defaultgw)" != "0" ]; then
				_log "Master up : Replace default route by $OMR_TRACKER_DEVICE_GATEWAY dev $OMR_TRACKER_DEVICE"
				ip route replace default scope global metric 1 via $OMR_TRACKER_DEVICE_GATEWAY dev $OMR_TRACKER_DEVICE $initcwrwnd >/dev/null 2>&1
			fi
			config_load openmptcprouter
			#if [ "$(uci -q get openmptcprouter.settings.master)" = "balancing" ]; then
			#	config_foreach set_server_all_routes server
			if [ "$(uci -q get openmptcprouter.settings.master)" != "failover" ]; then
				config_foreach set_server_default_route server
				#config_foreach set_server_default_route6 server
			fi
			ip route flush cache >/dev/null 2>&1
		fi
		if { [ "$default_gw6" != "$OMR_TRACKER_DEVICE_GATEWAY6" ] || [ "$default_gw6" = "" ]; } && [ "$OMR_TRACKER_DEVICE_GATEWAY6" != "" ]; then
			omrvpn_intf=$(uci -q get "network.omrvpn.device" || echo "tun0")
			[ -z "$omrvpn_intf" ] && omrvpn_intf=$(uci -q get "network.omrvpn.ifname" || echo "tun0")
			if [ -n "$omrvpn_intf" ] && [ "$(ip route show default | awk '/default/ {print $5}' | grep $omrvpn_intf)" = "" ] && [ "$(uci -q get openmptcprouter.settings.defaultgw)" != "0" ]; then
				_log "Master up : Replace default route by $OMR_TRACKER_DEVICE_GATEWAY6 dev $OMR_TRACKER_DEVICE"
				ip -6 route replace default scope global nexthop via $OMR_TRACKER_DEVICE_GATEWAY6 dev $OMR_TRACKER_DEVICE >/dev/null 2>&1
			fi
			config_load openmptcprouter
			#if [ "$(uci -q get openmptcprouter.settings.master)" = "balancing" ]; then
			#	config_foreach set_server_all_routes server
			if [ "$(uci -q get openmptcprouter.settings.master)" != "failover" ]; then
				#config_foreach set_server_default_route server
				config_foreach set_server_default_route6 server
			fi
			ip -6 route flush cache >/dev/null 2>&1
		fi
	fi
	if [ "$(uci -q get openmptcprouter.settings.master)" = "balancing" ]; then
		if { { [ -n "$OMR_TRACKER_DEVICE_IP" ] && [ "$(ip route show default | grep weight)" = "" ]; } || { [ -n "$OMR_TRACKER_DEVICE_IP6" ] && [ "$(ip -6 route show default | grep weight)" = "" ]; }; } && [ "$(uci -q get openmptcprouter.settings.defaultgw)" != "0" ]; then
			omrvpn_intf=$(uci -q get "network.omrvpn.device" || echo "tun0")
			[ -z "$omrvpn_intf" ] && omrvpn_intf=$(uci -q get "network.omrvpn.ifname" || echo "tun0")
			if [ -n "$omrvpn_intf" ] && [ -n "$OMR_TRACKER_DEVICE_IP" ] && [ "$(ip route show default metric 0 | awk '/default/ {print $5}' | grep $omrvpn_intf)" = "" ]; then
				routesbalancing=""
				routesbalancingbackup=""
				nbintf=0
				nbintfb=0
				config_load network
				config_foreach set_route_balancing interface
				[ -n "$routesbalancing" ] && {
					{ [ "$nbintf" -gt "1" ] && [ "$(ip r show default metric 1 | tr -d '\t' | tr -d '\n' | sed 's/ *$//')" != "default via $routesbalancing" ] && [ "$(ip r show default metric 1 | tr -d '\t' | tr -d '\n' | sed 's/ *$//')" != "default $routesbalancing" ]; } || { [ "$nbintf" = "1" ] && { [ "$(ip r show default metric 1 | grep $OMR_TRACKER_DEVICE)" = "" ] || { [ -n "$OMR_TRACKER_INTERFACE" ] && [ "$(uci -q get openmptcprouter.$OMR_TRACKER_INTERFACE.vpn)" = "1" ]; }; } && [ -n "$OMR_TRACKER_DEVICE_IP" ]; } && {
						_log "Change in routes, set ip route replace default scope global $routesbalancing (omrvpn_intf: $omrvpn_intf)"
						[ "$(uci -q get openmptcprouter.settings.debug)" = "true" ] && _log "Current route: $(ip r)"
						ip route replace default scope global metric 1 $routesbalancing >/dev/null 2>&1
						[ "$(uci -q get openmptcprouter.settings.debug)" = "true" ] && _log "New route: $(ip r)"
					}
				}
				[ -n "$routesbalancingbackup" ] && {
					{ [ "$nbintfb" -gt "1" ] && [ "$(ip r show default metric 999 | tr -d '\t' | tr -d '\n' | sed 's/ *$//')" != "default via $routesbalancingbackup " ] && [ "$(ip r show default metric 999 | tr -d '\t' | tr -d '\n' | sed 's/ *$//')" != "default $routesbalancingbackup " ]; } || { [ "$nbintf" = "1" ] && { [ "$(ip r show default metric 999 | grep $OMR_TRACKER_DEVICE)" = "" ] || { [ -n "$OMR_TRACKER_INTERFACE" ] && [ "$(uci -q get openmptcprouter.$OMR_TRACKER_INTERFACE.vpn)" = "1" ]; }; } && [ -n "$OMR_TRACKER_DEVICE_IP" ]; } && {
						_log "Set backup ip route replace default scope global metric 999 $routesbalancingbackup"
						ip route replace default scope global metric 999 $routesbalancingbackup >/dev/null 2>&1
					}
				}
			elif [ -n "$omrvpn_intf" ] && [ -n "$OMR_TRACKER_DEVICE_IP6" ] && [ "$(ip -6 route show default metric 1 | tr -d '\t' | tr -d '\n' | sed 's/ *$//')" != "default via $routesbalancing6" ]; then
				routesbalancing6=""
				routesbalancingbackup6=""
				nbintf6=0
				nbintfb6=0
				config_load network
				config_foreach set_route_balancing6 interface
				[ -n "$routesbalancing6" ] && {
					{ [ "$nbintf6" -gt "1" ] && [ "$(ip -6 r show default metric 1 | tr -d '\t' | tr -d '\n' | sed 's/ *$//')" != "default via $routesbalancing6 " ] && [ "$(ip -6 r show default metric 1 | tr -d '\t' | tr -d '\n' | sed 's/ *$//')" != "default $routesbalancing6 " ]; } || { [ "$nbintf6" = "1" ] && [ "$(ip -6 r show default metric 1 | grep $OMR_TRACKER_DEVICE)" = "" ] && [ "$(ip -6 r show default metric 1 | grep omr6in4)" = "" ] && [ -n "$OMR_TRACKER_DEVICE_IP6" ]; } && {
						_log "Set ip -6 route replace default scope global metric 1 $routesbalancing6"
						[ "$(uci -q get openmptcprouter.settings.debug)" = "true" ] && _log "Current route: $(ip -6 r)"
						ip -6 route replace default scope global metric 1 $routesbalancing6 >/dev/null 2>&1
						[ "$(uci -q get openmptcprouter.settings.debug)" = "true" ] && _log "New route: $(ip -6 r)"
					}
				}
				[ -n "$routesbalancingbackup6" ] && {
					{ [ "$nbintfb6" -gt "1" ] && [ "$(ip -6 r show default metric 999 | tr -d '\t' | tr -d '\n' | sed 's/ *$//')" != "default via $routesbalancingbackup6 " ] && [ "$(ip -6 r show default metric 999 | tr -d '\t' | tr -d '\n' | sed 's/ *$//')" != "default $routesbalancingbackup6 " ]; } || { [ "$nbintf6" = "1" ] && [ "$(ip -6 r show default metric 999 | grep $OMR_TRACKER_DEVICE)" = "" ] && [ -n "$OMR_TRACKER_DEVICE_IP6" ]; } && {
						_log "Set backup ip -6 route replace default scope global $routesbalancingbackup6"
						ip -6 route replace default scope global metric 999 $routesbalancingbackup6 >/dev/null 2>&1
					}
				}
			fi
			#ip route flush cache >/dev/null 2>&1
			#ip -6 route flush cache >/dev/null 2>&1
		fi
	fi
	if [ -n "$OMR_TRACKER_DEVICE_GATEWAY" ] && [ -n "$OMR_TRACKER_DEVICE" ] && [ "$(ip r show table 991337)" != "default via $OMR_TRACKER_DEVICE_GATEWAY dev $OMR_TRACKER_DEVICE " ]; then
		ip route replace default via $OMR_TRACKER_DEVICE_GATEWAY dev $OMR_TRACKER_DEVICE table 991337 $initcwrwnd >/dev/null 2>&1
		#ip route flush cache >/dev/null 2>&1
	fi
	if [ -n "$OMR_TRACKER_DEVICE_GATEWAY6" ] && [ -n "$OMR_TRACKER_DEVICE" ] && [ "$(ip -6 r show table 6991337)" != "default via $OMR_TRACKER_DEVICE_GATEWAY6 dev $OMR_TRACKER_DEVICE " ]; then
		ip -6 route replace default via $OMR_TRACKER_DEVICE_GATEWAY6 dev $OMR_TRACKER_DEVICE table 6991337 $initcwrwnd >/dev/null 2>&1
		#ip -6 route flush cache >/dev/null 2>&1
	fi
	if { [ -n "$OMR_TRACKER_INTERFACE" ] && [ "$(uci -q get openmptcprouter.$OMR_TRACKER_INTERFACE.lc)" = "" ]; } || [ $(($(date +"%s") + $((10 + RANDOM % 10)) - $(uci -q get openmptcprouter.$OMR_TRACKER_INTERFACE.lc))) -gt 3600 ] || [ "$(uci -q show openmptcprouter | grep get_config=\'1\')" != "" ] || [ "$(uci -q show openmptcprouter | grep admin_error=\'1\')" != "" ]; then
		[ "$(pgrep -f openmptcprouter-vps)" = "" ] && {
			/etc/init.d/openmptcprouter-vps restart >/dev/null 2>&1 &
			uci -q set openmptcprouter.$OMR_TRACKER_INTERFACE.lc=$(date +"%s")
			#uci -q commit openmptcprouter.$OMR_TRACKER_INTERFACE
		}
	fi
	multipath_config="on"
fi

if [ -n "$OMR_TRACKER_DEVICE_IP" ] && [ -n "$OMR_TRACKER_DEVICE_GATEWAY" ]; then
	config_load openmptcprouter
	if [ "$(uci -q get openmptcprouter.settings.master)" = "balancing" ]; then
		config_foreach set_server_all_routes server
	elif [ "$(uci -q get openmptcprouter.settings.master)" != "failover" ]; then
		config_foreach set_server_route server
	fi
	if [ "$(uci -q get openmptcprouter.settings.defaultgw)" != "0" ] && [ -n "$OMR_TRACKER_DEVICE_GATEWAY" ] && [ -n "$OMR_TRACKER_DEVICE" ] && [ "$(ip r show dev $OMR_TRACKER_DEVICE | grep default)" = "" ] && [ -n "$OMR_TRACKER_INTERFACE" ] && [ "$(uci -q get network.$OMR_TRACKER_INTERFACE.metric)" != "" ]; then
		_log "Interface route not yet set, set route ip r add default via $OMR_TRACKER_DEVICE_GATEWAY dev $OMR_TRACKER_DEVICE metric $(uci -q get network.$OMR_TRACKER_INTERFACE.metric)"
		ip r add default via $OMR_TRACKER_DEVICE_GATEWAY dev $OMR_TRACKER_DEVICE metric $(uci -q get network.$OMR_TRACKER_INTERFACE.metric) >/dev/null 2>&1
		ip route flush cache >/dev/null 2>&1
	fi
fi
if [ -n "$OMR_TRACKER_DEVICE_IP6" ] && [ -n "$OMR_TRACKER_DEVICE_GATEWAY6" ]; then
	config_load openmptcprouter
	if [ "$(uci -q get openmptcprouter.settings.master)" = "balancing" ]; then
		config_foreach set_server_all_routes6 server
	elif [ "$(uci -q get openmptcprouter.settings.master)" != "failover" ]; then
		config_foreach set_server_route6 server
	fi
	if [ "$(uci -q get openmptcprouter.settings.defaultgw)" != "0" ] && [ -n "$OMR_TRACKER_DEVICE_GATEWAY6" ] && [ -n "$OMR_TRACKER_DEVICE" ] && [ "$(ip -6 r show dev $OMR_TRACKER_DEVICE | grep default)" = "" ] && [ -n "$OMR_TRACKER_INTERFACE" ] && [ "$(uci -q get network.$OMR_TRACKER_INTERFACE.metric)" != "" ]; then
		_log "Interface route not yet set, set route ip -6 r add default via $OMR_TRACKER_DEVICE_GATEWAY6 dev $OMR_TRACKER_DEVICE metric 6$(uci -q get network.$OMR_TRACKER_INTERFACE.metric)"
		ip -6 r replace default via $OMR_TRACKER_DEVICE_GATEWAY6 dev $OMR_TRACKER_DEVICE metric 6$(uci -q get network.$OMR_TRACKER_INTERFACE.metric) >/dev/null 2>&1
		ip -6 route flush cache >/dev/null 2>&1
	fi
fi

if [ -n "$OMR_TRACKER_INTERFACE" ] && { [ "$multipath_config" = "on" ] || [ "$multipath_config" = "backup" ]; }; then
	download="$(uci -q get network.$OMR_TRACKER_INTERFACE.downloadspeed)"
	[ -z "$download" ] && download="$(uci -q get sqm.$OMR_TRACKER_INTERFACE.download)"
	upload="$(uci -q get network.$OMR_TRACKER_INTERFACE.uploadspeed)"
	[ -z "$upload" ] && upload="$(uci -q get sqm.$OMR_TRACKER_INTERFACE.upload)"
	if [ "$(uci -q show | grep mptcpr)" = "" ]; then
		touch /etc/config/openmptcprouter
	fi
	glorytunudppath() {
		gtudp_port="$(uci -q get glorytun-udp.vpn.port)"
		gtudp_dev="$(uci -q get glorytun-udp.vpn.dev)"
		addpath() {
			serverip=$1
			#gtudpst="up"
			#[ "$(uci -q get openmptcprouter.$OMR_TRACKER_INTERFACE.multipathvpn)" != "1" ] && [ "$multipath_config" = "backup" ] && [ "$(pgrep -f glorytun-udp)" != "" ] && gtudpst="backup"
			if [ "$OMR_TRACKER_DEVICE_IP" != "" ] && [ "$(uci -q get openmptcprouter.$OMR_TRACKER_INTERFACE.vpn)" != "1" ] && [ "$(pgrep -f glorytun-udp)" != "" ] && [ "$(glorytun-udp path | grep $OMR_TRACKER_DEVICE_IP | grep running)" = "" ] && [ -n "$(resolveip -4 -t 5 $serverip)" ]; then
				serverip="$(resolveip -4 -t 5 $serverip | head -n 1 | tr -d '\n')"
				if [ "$download" != "0" ] && [ "$download" != "" ] && [ "$upload" != "0" ] && [ "$upload" != "" ]; then
					if [ "$(uci -q get glorytun-udp.vpn.rateauto)" = "1" ]; then
						glorytun-udp path addr $OMR_TRACKER_DEVICE_IP to addr $serverip port ${gtudp_port} dev ${gtudp_dev} set up rate auto tx $((upload*1000)) rx $((download*1000)) pref 1 > /dev/null 2>&1
					else
						glorytun-udp path addr $OMR_TRACKER_DEVICE_IP to addr $serverip port ${gtudp_port} dev ${gtudp_dev} set up rate fixed tx $((upload*1000)) rx $((download*1000)) pref 1 > /dev/null 2>&1
					fi
				else
					if [ "$(uci -q get glorytun-udp.vpn.rateauto)" = "1" ]; then
						glorytun-udp path addr $OMR_TRACKER_DEVICE_IP to addr $serverip port ${gtudp_port} dev ${gtudp_dev} set up rate auto tx 12500000 rx 12500000 pref 1 > /dev/null 2>&1
					else
						glorytun-udp path addr $OMR_TRACKER_DEVICE_IP to addr $serverip port ${gtudp_port} dev ${gtudp_dev} set up rate fixed tx 12500000 rx 12500000 pref 1 > /dev/null 2>&1
					fi
				fi
			fi
			if [ "$OMR_TRACKER_DEVICE_IP6" != "" ] && [ "$(uci -q get openmptcprouter.$OMR_TRACKER_INTERFACE.vpn)" != "1" ] && [ "$(pgrep -f glorytun-udp)" != "" ] && [ "$(glorytun-udp path | grep $OMR_TRACKER_DEVICE_IP6 | grep running)" = "" ] && [ -n "$(resolveip -6 -t 5 $serverip)" ]; then
				serverip="$(resolveip -6 -t 5 $serverip | head -n 1 | tr -d '\n')"
				if [ "$download" != "0" ] && [ "$download" != "" ] && [ "$upload" != "0" ] && [ "$upload" != "" ]; then
					if [ "$(uci -q get glorytun-udp.vpn.rateauto)" = "1" ]; then
						glorytun-udp path addr "$OMR_TRACKER_DEVICE_IP6" to addr "$serverip" port ${gtudp_port} dev ${gtudp_dev} set up rate auto tx $((upload*1000)) rx $((download*1000)) pref 1 > /dev/null 2>&1
					else
						glorytun-udp path addr "$OMR_TRACKER_DEVICE_IP6" to addr "$serverip" port ${gtudp_port} dev ${gtudp_dev} set up rate fixed tx $((upload*1000)) rx $((download*1000)) pref 1 > /dev/null 2>&1
					fi
				else
					if [ "$(uci -q get glorytun-udp.vpn.rateauto)" = "1" ]; then
						glorytun-udp path addr "$OMR_TRACKER_DEVICE_IP6" to addr "$serverip" port ${gtudp_port} dev ${gtudp_dev} set up rate auto tx 12500000 rx 12500000 pref 1 > /dev/null 2>&1
					else
						glorytun-udp path addr "$OMR_TRACKER_DEVICE_IP6" to addr "$serverip" port ${gtudp_port} dev ${gtudp_dev} set up rate fixed tx 12500000 rx 12500000 pref 1 > /dev/null 2>&1
					fi
				fi
			fi
#			if [ "$(uci -q get openmptcprouter.$OMR_TRACKER_INTERFACE.vpn)" != "1" ] && [ "$(pgrep -f glorytun-udp)" != "" ] && [ "$(glorytun-udp set | grep 'kxtimeout 7d')" = "" ]; then
#				glorytun-udp set dev tun0 kxtimeout 7d > /dev/null 2>&1
		#	fi
			[ "$multipath_config" = "backup" ] && [ "$(pgrep -f glorytun-udp)" != "" ] && {
				[ -n "$OMR_TRACKER_DEVICE_IP" ] && [ -n "$(resolveip -4 -t 5 $serverip)" ] && glorytun-udp path addr $OMR_TRACKER_DEVICE_IP to addr $serverip port ${gtudp_port} dev ${gtudp_dev} set pref 125 > /dev/null 2>&1
				[ -n "$OMR_TRACKER_DEVICE_IP6" ] && [ -n "$(resolveip -6 -t 5 $serverip)" ] && glorytun-udp path addr $OMR_TRACKER_DEVICE_IP6 to addr $serverip port ${gtudp_port} dev ${gtudp_dev} set pref 125 > /dev/null 2>&1
			}
		}
		config_list_foreach $1 ip addpath
	}
	if [ "$(uci -q get glorytun-udp.vpn.enable)" = "1" ]; then
		config_load openmptcprouter
		config_foreach glorytunudppath server
	fi
fi
if [ "$(sysctl -qen net.mptcp.mptcp_enabled | tr -d '\n')" = "1" ] || [ "$(sysctl -qen net.mptcp.enabled | tr -d '\n')" = "1" ]; then
	[ "$(uci -q get openmptcprouter.$OMR_TRACKER_INTERFACE.multipathvpn)" != "1" ] && [ "$(uci -q get network.globals.mptcp_force_multipath)" != "0" ] && [ "$(uci -q get network.globals.multipath)" = "enable" ] && {
		if [ "$OMR_TRACKER_PREV_STATUS" != "" ] && [ "$OMR_TRACKER_PREV_STATUS" != "$OMR_TRACKER_STATUS" ]; then
			if [ -n "$OMR_TRACKER_DEVICE" ] && [ "$(uci -q get network.$OMR_TRACKER_INTERFACE.force_link)" != "0" ]; then
				_log "Status change, reload MPTCP config for $OMR_TRACKER_DEVICE"
				/etc/init.d/mptcp reload "$OMR_TRACKER_DEVICE"
			fi
		fi
		if [ "$multipath_status" = "$multipath_config" ] && ([ "$(uci -q get openmptcprouter.$OMR_TRACKER_INTERFACE.local_ipv4)" != "$OMR_TRACKER_DEVICE_IP" ] || [ "$(uci -q get openmptcprouter.$OMR_TRACKER_INTERFACE.local_ipv6)" != "$OMR_TRACKER_DEVICE_IP6" ]); then
			_log "Local IP changed for $OMR_TRACKER_DEVICE ($OMR_TRACKER_INTERFACE) reload Multipath"
			if [ -n "$OMR_TRACKER_DEVICE" ] && [ "$(uci -q get network.$OMR_TRACKER_INTERFACE.force_link)" != "0" ]; then
				_log "Reload MPTCP config for $OMR_TRACKER_DEVICE"
				/etc/init.d/mptcp reload "$OMR_TRACKER_DEVICE"
			fi
			uci -q set openmptcprouter.$OMR_TRACKER_INTERFACE.local_ipv4="$OMR_TRACKER_DEVICE_IP"
			uci -q set openmptcprouter.$OMR_TRACKER_INTERFACE.local_ipv6="$OMR_TRACKER_DEVICE_IP6"
		elif [ "$multipath_status" != "$multipath_config" ]; then
			_log "Multipath $OMR_TRACKER_DEVICE ($OMR_TRACKER_INTERFACE) switched to $multipath_config (from $multipath_status)"
			multipath "$OMR_TRACKER_DEVICE" "$multipath_config"
		fi
	}
fi
[ -n "$(uci -q changes openmptcprouter)" ] && uci -q commit openmptcprouter

#ubus call network reload
exit 0