#!/bin/bash  
# chkconfig: 2345 10 90  
# description: nginx  
. /etc/rc.d/init.d/functions  
function show_usage(){  
        usage="Usage: `basename $0` [ start|stop|restart|reload ]"  
        echo $usage  
        exit  
}  
base_dir=/usr/local/nginx/
[[ $# != 1 ]] && show_usage  
  
nginx=${base_dir}sbin/nginx  
case $1 in  
start)  
        [[ `netstat -ntlup|grep nginx|wc -l` > 0 ]] && failure && echo "Nginx is Running!" && exit  
        echo "Starting Nginx..."  
        $nginx  
        ([ $? -eq 0 ] && success && echo "Nginx starts successfully！") || (failure && echo "Failed start nginx")  
;;  
stop)  
        [[ `netstat -ntlup|grep nginx|wc -l` == 0 ]] && failure && echo "Nginx is NOT running!" && exit  
        echo "Stopping Nginx..."  
        $nginx -s stop  
        ([ $? -eq 0 ] && success && echo "Nginx stops successfully！") || (failure && echo "Failed stop nginx!")  
  
;;  
restart)  
        if [[ `netstat -ntlup|grep nginx|wc -l` == 0 ]]; then  
                echo "Starting Nginx..."  
                $nginx  
                [ $? -eq 0 ] && success && echo "Nginx starts successfully！"  
        else  
                echo "Stopping Nginx..."  
                $nginx -s stop  
                ([ $? -eq 0 ] && success && echo "Nginx stops successfully！") || (failure && echo "Failed stop nginx!")  
                echo "Starting Nginx..."  
                $nginx  
                ([ $? -eq 0 ] && success && echo "Nginx starts successfully！") || (failure && echo "Failed start nginx")  
        fi  
;;  
reload)  
        [[ `netstat -ntlup|grep nginx|wc -l` == 0 ]] && failure && echo "Nginx is NOT Running!" && exit  
        $nginx -s reload  
        [ $? -eq 0 ] && success && echo "Nginx reloads successfully！"  
;;  
*)  
        show_usage  
;;  
esac