#
# /etc/rc.d/nginx
#
# Adopted from Fedora Core

LOCKFILE=/var/lock/nginx.lock
PIDFILE=/var/run/nginx.pid
RETVAL=0
MAXOPENFILES=16384

NGINX=/usr/bin/nginx

start()
{
	if [ -s $PIDFILE ]; then
		echo "Nginx is already running"
		exit 1
	fi

	# nginx can work with many files at one time
	ulimit -n $MAXOPENFILES

	$NGINX &>/dev/null
	RETVAL=$?
}

stop() {
	kill -QUIT `cat $PIDFILE` &>/dev/null
	RETVAL=$?
}

restart()
{
	stop
	sleep 1
	start
	RETVAL=$?
}

reload() {
	kill -HUP `cat $PIDFILE`
	RETVAL=$?
}

testconfig()
{
    $NGINX -t
    RETVAL=$?
}

# this is not enabled; requires more testing
upgrade()
{
    testconfig
    RETVAL=$?
    if [ $RETVAL -eq 0 ]; then
		echo -n $"Sending USR2 signal to upgrade nginx "
		kill -USR2 `cat $PIDFILE`
		RETVAL=$?
		echo
    else
		RETVAL=1
	fi
}

rotate() {
	# it's too verbose when we are called from cron/logrotate and
	# causes useless E-mail warnings in some setups
	#echo -n $"Sending USR1 signal to rotate logs "
	kill -USR1 `cat $PIDFILE`
	#echo
	RETVAL=$?
}

case "$1" in
start)
	testconfig
	RETVAL=$?
	[ $RETVAL -eq 0 ] && start
;;
stop)
	stop
;;
reload)
	testconfig
	RETVAL=$?
	[ $RETVAL -eq 0 ] && reload
;;
restart)
	restart
;;
rotate)
	rotate
	RETVAL=$?
;;
testconfig)
	testconfig
	RETVAL=$?
;;
*)
	echo "Usage: $0 {start|stop|reload|restart|rotate|testconfig}"
	RETVAL=1
esac

exit $RETVAL