#! /bin/sh

set -e

DAEMON=/usr/bin/freondemo
NAME=freondemo
PIDFILE=/var/run/freondemo.pid
DESC="Freon Demo"
PARAMS=""

test -x $DAEMON || exit 0

start_it_up()
{
  if [ -e $PIDFILE ]; then
    PIDDIR=/proc/$(cat $PIDFILE)
    if [ -d ${PIDDIR} -a  "$(readlink -f ${PIDDIR}/exe)" = "${DAEMON}" ]; then 
      echo "$DESC already started; not starting."
    else
      echo "Removing stale PID file $PIDFILE."
      rm -f $PIDFILE
    fi
  fi

  echo -n "Starting $DESC: "
  start-stop-daemon --start --exec $DAEMON -- $PARAMS
  pidof FreonDemo > $PIDFILE
  echo "$NAME."
}

shut_it_down()
{
  echo -n "Stopping $DESC: "
  start-stop-daemon --stop --oknodo --pidfile $PIDFILE
  echo "$NAME."
  rm -f $PIDFILE
}

case "$1" in
  start)
    start_it_up
  ;;
  stop)
    shut_it_down
  ;;
  restart)
    shut_it_down
    sleep 1
    start_it_up
  ;;
  *)
    echo "Usage: /etc/init.d/$NAME {start|stop|restart}" >&2
    exit 1
  ;;
esac

exit 0