#!/bin/sh
#
# gidget: monitor files using inotify 
#
# chkconfig:	- 26 89
# description: Uses inotify to monitor files and perform actions.	
#
# processname: gidget
# config: /etc/gidget.conf
#

pidfile=/var/run/gidget.pid
logfile=/var/log/gidget
exefile=/usr/local/bin/gidget
options="-d"

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

checklog() { 
	if [ ! -e /etc/logrotate.d/gidget ] ; then
	    echo "WARNING!  You have not set up logrotate for gidget"
	    echo "gidget's log file, $logfile, can get extremely large!"
	    if [ -s $logfile ] ; then
		logsize=$(stat -c%s "$logfile")
		echo "right now it is $logsize bytes."
	    fi
	fi
}

start() {
	if [ -e "$pidfile" ] ; then
	    StalePID=`cat $pidfile`
	    if (kill -0 $StalePID 2>/dev/null) ; then
		echo "Gidget is already running."
	    else
		echo "Gidget is dead, but pidfile $pidfile exists"
	    fi
	else
	    echo -n $"Starting gidget: "
	    daemon $exefile $options
	    checklog
	fi
	echo
}

stop() {
	if [ -e "$pidfile" ] ; then
	    echo -n $"Shutting down gidget: "
	    killproc -p $pidfile gidget
	else
	    echo -n "gidget is not running, or was not started by init"
	fi
	echo
}

# in order to prevent event loss, we have to start
# a new gidget before we can shut down the old one
# this adds a wrinkle to the pid tracking... we
# can't shut down by process name because there
# may be end-user gidgets running too

overlap() {
	if [ -e "$pidfile" ] ; then
            echo gidget [initscript]: `date +'%Y-%M-%d %T'` Overlapping restart triggered >>$logfile
	    mv $pidfile ${pidfile}.reloading
	    echo -n $"Starting new instance of gidget: "
	    daemon $exefile $options 
	    echo
	    echo -n $"Shutting down old instance of gidget: "
	    killproc -p ${pidfile}.reloading gidget
	    echo
	    checklog
        else
            echo no system gidget
# should add a ps parse for ppid 1 name gidget at some point
	fi
}

# See how we were called.
case "$1" in
  start)
	start
	;;
  stop)
	stop
	;;
  restart|reload)
	overlap
	;;
  condrestart)
	[ -e $pidfile ] && overlap
	;;
  status)
  	status -p $pidfile gidget
	;;
  checklog)
	checklog
	;;
  *)
	echo $"Usage: $0 {start|stop|restart|reload|condrestart}"
	exit 1
esac

exit 0