#!/bin/sh
#
# lirc:   lirc daemon
#
# description:  This is a daemon for automatically activate lirc.
#
# processname: lircd
# pidfile: /var/run/lirc/lircd
#

prefix=/usr
exec_prefix=/usr
sbindir=${exec_prefix}/sbin

LIRC_BIN=${sbindir}/lircd

# Sanity checks.
[ -x $LIRC_BIN ] || exit 0

PIDFILE=/var/run/lirc/lircd.pid

lirc_start()
{
	if [ "`pgrep dbus-daemon`" = "" ]; then
    echo "D-BUS must be running to start lircd"
    return
	fi
  
	if [ "`pgrep hald`" = "" ]; then
	 echo "HAL must be running to start lircd"
	 return
	fi
 
  # Just in case the pidfile is still there, we may need to nuke it.
  if [ -e "$PIDFILE" ]; then
    rm -f $PIDFILE
  fi

  echo "Starting lircd daemon:  $LIRC_BIN"
  $LIRC_BIN
}

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

lirc_stop()
{
  echo -en "Stopping lircd: "
  local pidlist=`cat $PIDFILE 2>/dev/null`
  if [ ! -z "$pidlist" ]; then
    kill $pidlist &>/dev/null
    rm -f $PIDFILE &>/dev/null
	fi
  echo "stopped";
}

lirc_restart()
{
  lirc_stop
  lirc_start
}

case "$1" in
'start')
  if ( ! lirc_status ); then
    lirc_start
  else
    echo "lircd is already running (will not start it twice)."
  fi
		;;
'stop')
  lirc_stop
		;;
'restart')
  lirc_restart
		;;
'status')
  if ( lirc_status ); then
    echo "lircd is currently running"
  else
    echo "lircd is not running."
  fi
		;;
*)
  echo "usage $0 start|stop|status|restart"
esac