#!/bin/sh /etc/rc.common
# Copyright (C) 2014 OpenWrt.org

START=10
USE_PROCD=1

logger() {
	command logger -t system -p $1 "$2"
}

validate_system_section()
{
	uci_validate_section system system "${1}" \
		'hostname:string:OpenWrt' \
		'conloglevel:uinteger' \
		'buffersize:uinteger' \
		'timezone:string:UTC' \
		'zonename:string'
}

system_config() {
	local cfg="$1"

	local hostname conloglevel buffersize timezone zonename

	validate_system_section "${1}" || {
		echo "validation failed"
		return 1
	}

	if [ "$hostname" != "$(cat /proc/sys/kernel/hostname)" ]; then
		logger info "set new hostname $hostname"
		echo "$hostname" > /proc/sys/kernel/hostname
		pidof uhttpd > /dev/null && /etc/init.d/uhttpd restart
		pidof miniupnpd > /dev/null && /etc/init.d/miniupnpd reload
		# procd restart udhcpc
		udhcpc_pid=$(pidof udhcpc)
		[ -n "$udhcpc_pid" ] && kill $udhcpc_pid
	fi
	[ -z "$conloglevel" -a -z "$buffersize" ] || dmesg ${conloglevel:+-n $conloglevel} ${buffersize:+-s $buffersize}
	echo "$timezone" > /tmp/TZ
	[ -n "$zonename" ] && [ -f "/usr/share/zoneinfo/$zonename" ] && ln -s "/usr/share/zoneinfo/$zonename" /tmp/localtime

	# apply timezone to kernel
	date -k
}

led_config() {
	config_get disabled "$1" disabled 0
	config_get sysfs "$1" sysfs
	[ -e /sys/class/leds/"$sysfs"/suspended ] && [ "$(cat /sys/class/leds/"$sysfs"/suspended)" != "$disabled" ] && {
		echo "$disabled" >/sys/class/leds/"$sysfs"/suspended
	}
	config_get trigger "$1" trigger
	[ "$trigger" = "wifi" ] && {
		config_get disableLeds "$1" disableLeds 0
		echo -n "$disableLeds" >/sys/class/leds/"$sysfs"/disableLeds
	}
}

reload_service() {
	config_load system
	config_foreach system_config system
	config_foreach led_config led
}

service_triggers()
{
	procd_add_reload_trigger "system"
	procd_add_validation validate_system_section
}

start_service() {
	reload_service
}