#!/bin/sh /etc/rc.common
# Copyright (c) 2021 OpenWrt.org

START=18

USE_PROCD=1
PROG=/usr/sbin/udevstats

add_vlan() {
	local vid="$1"

	json_add_array
	json_add_int "" "$vid"
	[ "$rx" -gt 0 ] && json_add_string "" "rx"
	[ "$tx" -gt 0 ] && json_add_string "" "tx"
	json_close_array
}

add_device() {
	local cfg="$1"

	config_get_bool disabled "$cfg" disabled 0
	[ "$disabled" -gt 0 ] && return

	config_get name "$cfg" name
	json_add_array "$name"

	config_get_bool rx "$cfg" rx 1
	config_get_bool tx "$cfg" tx 1

	config_list_foreach "$cfg" vlan add_vlan

	json_close_array
}

reload_service() {
	json_init

	config_load udevstats

	json_add_object devices 
	config_foreach add_device device 
	json_close_object

	ubus call udevstats config_set "$(json_dump)"
}

service_triggers() {
	procd_add_reload_trigger udevstats
}

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

service_started() {
	ubus -t 10 wait_for udevstats
	[ $? = 0 ] && reload_service
}