#!/bin/sh
#
# chkconfig: 2345 56 25
# description: planetflow slice initscript
#

#. /etc/rc.d/init.d/functions

DELTA=10 # Time to sleep between polls
VSYSSCRIPT="/vsys/pfmount.in"
VSYSCMD="pf"

watchdog(){
    while [ 1 ]; do
        # if the file exists, try writing to it.
        if [ -a ${VSYSSCRIPT} ]; then
	        echo "Writing to Fifo"
	        /bin/echo ${VSYSCMD} > ${VSYSSCRIPT} &
	        PID=$!
	        #  Wait for command to complete
	        sleep $DELTA
	        # check to see if PID is running
	        if kill -0 ${PID} >/dev/null 2>&1 ; then
	            # if PID is running, it's likely hung.  Kill it.
	            echo "Blocked on Fifo. Killing"
	            kill ${PID} 
	        else
	            # assume if PID is no longer, command completed
	            echo "Completed. Exitting"
	            exit 0
	        fi
        else
            # no pipe yet.  vsys probably hasn't started yet.  wait.
            echo "${VSYSSCRIPT} doesn't exist"
            sleep $DELTA
        fi 
    done
}


case "$1" in
    start)
        echo -n "starting the planetflow slice:"
	    watchdog 2> /dev/null
        ;;

    *)
        echo "Usage: $0 {start|stop|restart|status}"
        RETVAL=1
esac



exit $RETVAL