#!/bin/sh
#
# nginx        Startup script for nginx
#
# chkconfig: - 85 15
# processname: nginx
# config: /etc/nginx/nginx.conf
# config: /etc/sysconfig/nginx
# pidfile: /var/run/nginx.pid
# description: nginx is a HTTP and reverse proxy server
#
### BEGIN INIT INFO
# Provides: nginx
# Required-Start: $local_fs $remote_fs $network
# Required-Stop: $local_fs $remote_fs $network
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: start and stop nginx
### END INIT INFO

prog=nginx
nginx=/usr/local/emps/sbin/nginx
conffile=/usr/local/emps/etc/nginx/nginx.conf
lockfile=/usr/local/emps/var/lock/empsnginx
pidfile=/usr/local/emps/var/log/nginx/nginx.pid

if [ -f /usr/local/emps/var/log/nginx/nginx.pid ] ; then
	PID=$(cat /usr/local/emps/var/log/nginx/nginx.pid)
	if [ "$PID" = "" ] ; then
		PID=0
	fi
else
	PID=0   
fi

SLEEPMSEC=100000
RETVAL=0

if [ "$PID" = "" ] ; then
	PID=0
fi

start() {

	echo -n $"Starting $prog: "
	if [ "$PID" -lt 1 ] || ! [ "/proc/$PID/exe" -ef "/usr/local/emps/sbin/nginx" ] ; then
		useradd -r emps > /dev/null 2>&1
		${nginx} -c ${conffile}
		if [ $? = 0 ]; then
			if [ -d $lockfile ] ; then
				touch $lockfile
			fi
			echo "Done..."
		fi
	else
		echo "$prog already running..."
	fi
    return 0
	
}

stop() {
	
    echo -n $"Stopping $prog: "
	if [ "$PID" -gt 0 ] ; then
		kill $PID > /dev/null 2>&1
		PID=0
		if [ -d $lockfile ] ; then
			rm -rf $lockfile
		fi
		sleep 1
		echo "Done..."
		rm -rf ${pidfile}
	else
		echo "$prog is stopped"
	fi
    return 0
}

configtest() {
    if [ "$#" -ne 0 ] ; then
        case "$1" in
            -q)
                FLAG=$1
                ;;
            *)
                ;;
        esac
        shift
    fi
    ${nginx} -t -c ${conffile} $FLAG
    RETVAL=$?
    return $RETVAL
}

status(){
	if [ "$PID" -lt 1 ] ; then
		echo "$prog is stopped"
	else
    	echo "$prog (pid $PID) is running..."
	fi
}

# See how we were called.
case "$1" in
    start)
        start
        ;;
    stop)
        stop
        ;;
    status)
        status
        ;;
    restart)
        configtest -q || exit $RETVAL
        stop
        start
        ;;
    configtest)
        configtest
        ;;
    *)
        echo $"Usage: $0 {start|stop|restart|status|configtest}"
        RETVAL=2
esac

exit $RETVAL