#!/bin/sh
#
# fancontrol	Fans speed control according to temperature service
#
# Starts after all hotplug-like things, which could load proper drivers
# for fans and dies last possible
# chkconfig:	345 09 99
#
# description:	It is crucial to proper configure this service, or severe
#		damadge could occur. For this, be sure, to run init first
#		and be sure the configuration is correct.
#
# $Id$
#
# TODO:
# - check this, case this is my first 'advanced' init script
# - maybe add some more stop control, like re-running fancontrol and killing
#   it once more, if killproc fails
#

# Source function library
. /etc/rc.d/init.d/functions

# Get service config
 [ -f /etc/sysconfig/fancontrol ] && . /etc/sysconfig/fancontrol

start() {
	# sensors deamon needs to be started
	# or at least proper modules loaded (provided by sensorsd deamon)
	if [ -f /var/lock/subsys/sensord ]; then
		# Check if the service is already running?
		if [ ! -f /var/lock/subsys/fancontrol ]; then
			# Fancontrol needs to check system for pwm control
			if [ ! -f /etc/sysconfig/fancontrol ]; then
				nls "Fancontrol not initialized."
				nls "Try \`%s init' before start." "$0"
				exit 6
			fi

			msg_starting fancontrol
			# won't start without an output
			daemon --fork 'fancontrol >/dev/null'
			RETVAL=$?
			[ $RETVAL -eq 0 ] && touch /var/lock/subsys/fancontrol
		else
			msg_already_running fancontrol
		fi
	else
		echo "Start sensors daemon first"
		exit 1
	fi
}

stop() {
	if [ -f /var/lock/subsys/fancontrol ]; then
		# Stop daemons.
		msg_stopping fancontrol
		# it's crucial to be sure it ended ok, otherwise we get
		# the fans set and the computer working without any control
		# and that could cause MASSIVE damage
		killproc --waitforname fancontrol --waitfortime 30 fancontrol -TERM
		rm -f /var/lock/subsys/fancontrol
	else
		msg_not_running fancontrol
	fi
}

restart() {
	stop
	start
}

# See how we were called.
case "$1" in
  start)
  	start
	;;
  stop)
  	stop
	;;
  restart)
  	restart
	;;
  init)
  	pwmconfig
  	exit $?
  	;;
  status)
	status fancontrol
	RETVAL=$?
	;;
  *)
	msg_usage "$0 {start|stop|restart|status|init}"
	exit 3
esac

exit $RETVAL

# This must be last line !
# vi:syntax=sh