#!/bin/bash
#
# nginx - this script starts and stops the nginx daemon
#
# chkconfig:   - 85 15 
# description:  Nginx is an HTTP(S) server, HTTP(S) reverse \
#               proxy and IMAP/POP3 proxy server
# processname: nginx
# config:      /usr/local/openresty/nginx/conf/nginx.conf
# pidfile:     /usr/local/openresty/nginx/logs/nginx.pid
### END INIT INFO

# Source function library.
. /etc/rc.d/init.d/functions

RETVAL=0

nginx='/usr/local/openresty/nginx/sbin/nginx'

PIDFILE="/usr/local/openresty/nginx/logs/nginx.pid"
CONFFILE="/usr/local/openresty/nginx/conf/nginx.conf"

# Check if all what named needs running
start()
{
  [ "$EUID" != "0" ] && exit 4

  [ -x $nginx ] || exit 5
  [ -f $CONFFILE ] || exit 6
  $nginx -t || return $?
  echo -n "Starting nginx: "
  daemon --pidfile "$PIDFILE" $nginx ;
  RETVAL=$?
  if [ $RETVAL -eq 0 ]; then
    touch /var/lock/subsys/named;
  else
    exit 7;
  fi
  return 0;
}

stop() {
  [ "$EUID" != "0" ] && exit 4

  # Stop daemons.
  echo -n $"Stopping named: "
  killproc -p "$PIDFILE" "nginx" -QUIT >/dev/null 2>&1

  RETVAL=0

  # remove pid files
  if [ $RETVAL -eq 0 ]; then
    rm -f /var/lock/subsys/named
  fi;

  echo
  return $RETVAL
}

restart() {
	stop
	start
}

forcerestart() {
    kill `cat $PIDFILE`
    sleep 1
    start
}

reload() {
    [ "$EUID" != "0" ] && exit 

    echo -n $"Reloading "$named": "
    $nginx -t || return $?
    oldpid=`cat $PIDFILE`
    kill -USR2 $oldpid
    sleep 1
    kill -WINCH $oldpid
    while [ 1 ]; do
        ps -ef | grep "nginx: worker process"|grep $oldpid || break
        sleep 1
    done
    kill -QUIT $oldpid
    
	return 0
}

# See how we were called.
case "$1" in
	start)
		start
		;;
	stop)
		stop
		;;
	restart)
		restart
		;;
	reload)
		reload
		;;
    force-restart)
        forcerestart
        ;;
	*)
        echo $"Usage: $0 {start|stop|restart|reload}"
		[ "x$1" = "x" ] && exit 0
		exit 2
esac

exit $RETVAL