#!/bin/sh
echo "checking if vsftp is alive"
status=`/etc/init.d/vsftpd status | /bin/awk ' NR==1 {status = $3}END { print status}'`
if [ "$status" = stopped ]
    then
    echo "vsftp is stopped! Trying to start again"
    echo "checking if process is hanging"
    pid=`ps -ef |grep root.*vsftp | grep -v grep | /bin/awk 'NR==1 {pid=$2} END {print pid}'`
    echo "pid of hanged process is: " $pid
    if [ ! "$pid" ]
        then
        echo "process is not hanging. Normal restart"
        /usr/bin/nohup /etc/init.d/vsftpd start
    else
        echo "process is hanging. Kill it first"
        kill -9 $pid
        /usr/bin/nohup /etc/init.d/vsftpd start
    fi
else
    echo "vsftp is running. Nothing to do."
fi