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#!/bin/sh

INTERVALL=300
HOST=ping.symantec.com

case "$1" in
  start)
    ( while sleep $INTERVALL; do
      ping -c1 $HOST; done ) >/dev/null 2>&1 & disown
    echo "ping started."
    ;;

  stop)
    kill `ps ax | grep "${0}[ ]start" | awk '{print $1}'` >/dev/null 2>&1;
    sleep 1;
    echo "ping stopped.";
    kill -9 `ps ax | grep "${0}[ ]start" | awk '{print $1}'` >/dev/null 2>&1;
    ;;

  *)
    echo "Usage: $0 {start|stop}"
    exit 1
    ;;
esac