#!/bin/sh
#
# dhcdbd daemon
#

PIDFILE=/var/run/dhcdbd.pid;

dhcdbd_start() {

  # Just in case the pidfile is still there, we need to nuke it.
  if [ -e "$PIDFILE" ]; then
	  rm -f $PIDFILE
  fi
  
  echo "Starting dhcdbd daemon:  /sbin/dhcdbd --system"
  /sbin/dhcdbd --system &>/dev/null;
}

dhcdbd_status() {
  local pidlist=`cat $PIDFILE 2>/dev/null`
  if [ -z "$pidlist" ]; then
		return 1
  fi
  local command=`ps -p $pidlist -o comm=`
  if [ "$command" != 'dhcdbd' ]; then
	  return 1
  fi
}

dhcdbd_stop() {
  echo -en "Stopping dhcdbd daemon: ";
  dbus-send --system --dest=com.redhat.dhcp --type=method_call \
  --print-reply --reply-timeout=20000 /com/redhat/dhcp \
  com.redhat.dhcp.quit > /dev/null 2>&1
  local pidlist=`cat $PIDFILE 2>/dev/null`
  if [ ! -z "$pidlist" ]; then
	  kill $pidlist &>/dev/null
     rm -f $PIDFILE &>/dev/null
  fi
  echo "stopped";
}

dhcdbd_restart() {
  dhcdbd_stop
  sleep 1
  dhcdbd_start
}

case "$1" in
'start')
 if ( ! dhcdbd_status ); then
	dhcdbd_start
 else
	echo "dhcdbd is already running (will not start it twice)."
 fi
 ;;
'stop')
 dhcdbd_stop;
 ;;
'restart')
 dhcdbd_restart;
 ;;
'status')
 if ( dhcdbd_status ); then
	echo "dhcdbd is currently running"
 else
	echo "dhcdbd bus is not running."
 fi
 ;;
*)
 echo "usage $0 start|stop|status|restart";
esac