openwrt-archive/package/utils/busybox/files/sysntpd

#!/bin/sh /etc/rc.common
# Copyright (C) 2011 OpenWrt.org

START=98

USE_PROCD=1
PROG=/usr/sbin/ntpd
HOTPLUG_SCRIPT=/usr/sbin/ntpd-hotplug

validate_ntp_section() {
	uci_validate_section system timeserver "${1}" \
		'server:list(host)' 'enabled:bool:1' 'enable_server:bool:0'
}

start_service() {
	local server enabled enable_server peer

	validate_ntp_section ntp || {
		echo "validation failed"
		return 1
	}

	[ $enabled = 0 ] && return

	[ -z "$server" ] && return

	procd_open_instance
	procd_set_param command "$PROG" -n -N
	[ "$enable_server" = "1" ] && procd_append_param command -l
	[ -x "$HOTPLUG_SCRIPT" ] && procd_append_param command -S "$HOTPLUG_SCRIPT"
	for peer in $server; do
		procd_append_param command -p $peer
	done
	procd_set_param respawn
	procd_close_instance
}

service_triggers()
{
	procd_add_reload_trigger "system"
	procd_add_validation validate_ntp_section
}