#!/bin/sh /etc/rc.common
# Copyright (C) 2006-2011 OpenWrt.org

START=65
STOP=65

USE_PROCD=1
PROG=/sbin/ntpd
HOTPLUG_HELPER=/usr/sbin/ntpd.hotplug-helper
CONFIG_FILE=/var/run/ntpd.conf

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

start_service() {
	mkdir -p /var/lib/ntp

	local server enabled enable_server peer restrict

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

	[ $enabled = 0 ] && return
	[ -z "$server" ] && return
	if [ $enable_server = 0 ]; then
		restrict="ignore"
	else
		restrict="nomodify noquery notrap"
	fi

cat >$CONFIG_FILE <<EOF
driftfile /var/lib/ntp/ntp.drift
restrict default $restrict
restrict source nomodify noquery notrap
restrict 127.0.0.1
restrict ::1
EOF
	for peer in $server; do
		echo "pool $peer iburst" >>$CONFIG_FILE
	done

	procd_open_instance
	procd_set_param command $PROG -g -p /var/run/ntpd.pid -c $CONFIG_FILE -n
	procd_set_param respawn
	procd_set_param file $CONFIG_FILE
	procd_close_instance

	procd_open_instance
	procd_set_param command $HOTPLUG_HELPER
	procd_close_instance
}

service_triggers()
{
	procd_add_reload_trigger "system"
	procd_add_validation validate_ntp_section
}