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

START=55

USE_PROCD=1
PROG=/usr/sbin/l3roamd

echotol3roamd() {
	local count=0
	local line="$1"
	while ! (echo -e "$line" | uc /var/run/l3roamd.sock >/dev/null 2>&1)
	do
		sleep 1
		echo retrying to connect to l3roamd in PID $$, waited ${count}s >&2
		count=$((count+1))
	done
	return 0
}



reload_service() {
	for i in $(ubus call network.interface dump | jsonfilter -e "@.interface[@.proto='gluon_mesh' && @.up=true].device")
	do
		echotol3roamd "add_meshif $i"
	done

	for i in $(echotol3roamd "get_meshifs"| jsonfilter -e "@.mesh_interfaces[@]")
	do
		if ! ubus call network.interface dump | jsonfilter -e "@.interface[@.proto='gluon_mesh' && @.up=true].device"|grep -q $i
		then
			echotol3roamd "del_meshif $i"
		fi
	done
}

start_service () {
	local interfaces=$(
	for dev in $(gluon-list-mesh-interfaces); do echo " -m $dev"; done
	[ "$(ifstatus local_node | jsonfilter -e '@.up')" = 'true' ] && echo ' -i local-node'
	)

	local prefix4="$(lua -e 'prefix4 = require("gluon.site").prefix4() if prefix4 then print(" -p " .. prefix4) end')"
	local prefix6="$(lua -e 'print(" -p " .. require("gluon.site").prefix6())')"
	local localip="$(uci get network.loopback.ip6addr | cut -d/ -f1)"
	local roamingprefix="$(lua -e 'roamingprefix = require("gluon.site").node_client_prefix6() if roamingprefix then print(" -P " .. roamingprefix) end')"

	/sbin/sysctl -w net.ipv6.neigh.default.gc_thresh1=2
	/sbin/sysctl -w net.ipv4.neigh.default.gc_thresh1=2

	procd_open_instance
	procd_set_param stdout 1
	procd_set_param stderr 1
	procd_set_param respawn ${respawn_threshold:-3660} ${respawn_timeout:-5} ${respawn_retry:-0}
	procd_set_param command "$PROG" -s /var/run/l3roamd.sock $prefix4 $prefix6 $interfaces -t 254 -a $localip -b br-client $roamingprefix
	procd_close_instance
}

service_triggers() {
	local script=$(readlink "$initscript")
	local name=$(basename "${script:-$initscript}")

	procd_open_trigger
	procd_add_raw_trigger 'interface.*' 0 "/etc/init.d/$name" reload
	procd_close_trigger
}
