#!/bin/sh /etc/rc.common

START=99
STOP=10

USE_PROCD=1
PROG=/usr/sbin/al_entity

validate_global_section()
{
	uci_validate_section meshcomms meshcomms "${1}" \
		'basemacint:string:wan' \
		'interfaces:string:lan' \
		'mapall:bool:true' \
		'debug:bool:true' \
		'port:port:8888'
}

get_device_name() {
	local device
	# Get wan L3 interface
	ubus list |grep -iq network.interface.${1}
	if [ "$?" -eq 0 ]; then
		json_load "$(ubus -t 2 call network.interface.${1} status)"
		json_get_var device device
		echo ${device}
	fi
}

get_interface_mac() {
	local l3 basemac
	l3=$(get_device_name ${1})
	if [ -n ${l3} ]; then
		json_load "$(ubus -t 2 call network.device status "{\"name\":\"${l3}\"}")"
		json_get_var basemac macaddr
	fi
	echo ${basemac}
}

configure_meshcomms()
{
	local basemacint interfaces mapall debug port l3device basemac intf

	validate_global_section global || {
		echo "Validation of global section failed"
		return 1;
	}
	if [ ${debug} -eq 1 ]; then
		# Forward stdout of the command to logd
		procd_set_param stdout 1
		# Same for stderr
		procd_set_param stderr 1
	fi
	
	basemac=$(get_interface_mac ${basemacint})


	for f in ${interfaces}
	do
		local l3=$(get_device_name $f)
		intf="${intf} ${l3}"
	done
	intf=$(echo $intf|sed 's/ /,/g')
	[ -z "${intf}" ] && \
		echo "interface list is empty/invalid">/dev/console \
		return 1

	procd_append_param command -m ${basemac} -i ${intf}

	[ "${debug}" -eq 1 ] && \
		procd_append_param command -vv

	[ "${mapall}" -eq 1 ] && \
		procd_append_param command -w

	[ ${port} -ne 8888 ] && \
		procd_append_param command -p ${port}
}

configure_network() {
	ebtables -L FORWARD|grep -iqE "1:80:C2:(0)+:(0)+:13.*-j.*DROP"
	if [ "$?" -ne 0 ]; then
		echo "Applying drop rule to drop pkts forwared by kernel to 1905.1 multicast mac"
		ebtables -A FORWARD -d 01:80:c2:00:00:13 -j DROP
	fi
	config_load meshcomms
	config_foreach configure_meshcomms meshcomms
}

start_service() {
	procd_open_instance meshcomms
	procd_set_param command ${PROG}
	configure_network
	procd_set_param respawn
	procd_close_instance
}

reload_service() {
	stop
	start
}

service_triggers() {
	procd_add_reload_trigger "network"
}