#!/bin/sh

DAEMON=htpdate
. /etc/init.d/modlibrc

run() {
	echo -n "Running $DAEMON_LONG_NAME ... "
	if modlib_check_running; then
		echo 'already running.'
		exit 0
	fi
	if [ "$HTPDATE_ENABLED" != "yes" ]; then
		echo 'is disabled.'
		exit 0
	fi

	htpdate $HTPDATE_PARAMETERS $HTPDATE_SERVERS
	local retval=$?
	if [ $retval -ne 0 ]; then
		echo 'failed.'
		exit $retval
	else
		echo 'done.'
	fi
}

set_cron() {
	local HTPDATE_CRON_OLD="$(cat /tmp/cron.d/htpdate 2>/dev/null)"
	if [ "$HTPDATE_ENABLED" == "yes" ]; then
		local HTPDATE_CRON_NEW="$HTPDATE_CRON_INT  /mod/etc/init.d/rc.htpdate cron"
	fi
	if [ "$HTPDATE_CRON_OLD" != "$HTPDATE_CRON_NEW" ] ; then
		mkdir -p /tmp/cron.d/
		echo "$HTPDATE_CRON_NEW" > /tmp/cron.d/htpdate
		/mod/etc/init.d/rc.crond reload
	fi

	run
}

case $1 in
	""|load)
		modreg cgi 'htpdate' 'htpdate'
		modreg daemon --hide htpdate

		if [ "$HTPDATE_ENABLED" != "yes" ]; then
			echo "$DAEMON is disabled." 1>&2
			exit 1
		fi
		set_cron 1>&2
		;;
	unload)
		modunreg cgi 'htpdate'
		modunreg daemon htpdate
		;;
	run)
		run
		;;
	config)
		set_cron
		;;
	cron)
		[ "$HTPDATE_ENABLED" != "yes" ] && return
		logger -t info Run htpdate by cron.
 		run
		;;
	*)
		echo "Usage: $0 [load|unload|run|config|cron]" 1>&2
		exit 1
		;;
esac

exit 0