#!/bin/sh
#
# chkconfig: - 26 74
# description: sensors is used for monitoring motherboard sensor values.
# config: /etc/sysconfig/lm_sensors
#
#    This program is free software; you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation; either version 2 of the License, or
#    (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program; if not, write to the Free Software
#    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
#    MA 02110-1301 USA.

# See also the lm_sensors homepage at:
#     http://www.lm-sensors.org

# It uses a config file /etc/sysconfig/lm_sensors that contains the modules
# to be loaded/unloaded. That file is sourced into this one.

# The format of this file is a shell script that simply defines variables:
# HWMON_MODULES for hardware monitoring driver modules, and optionally
# BUS_MODULES for any required bus driver module (for example for I2C or SPI).

# Do not load RH compatibility interface.
WITHOUT_RC_COMPAT=1

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

LOCKFILE=/var/lock/subsys/sensors
CONFIG=/etc/sysconfig/lm_sensors
PSENSORS=/usr/bin/sensors

# Get config.
SourceIfNotEmpty "$CONFIG" &&
	! is_no "$ENABLE" &&
	[ -x "$PSENSORS" ] ||
	exit 0

RETVAL=0

start() {
	echo -n "Loading sensor modules: "

	modules_missing=
	for module in $BUS_MODULES $HWMON_MODULES ; do
		# Ignore modules which do not exist (not all sensor modules
		# have been ported to 2.6)
		if /sbin/modprobe -nq $module; then
			echo -n "$module "
			/sbin/modprobe $module &>/dev/null
			RETVAL=$?
		else
			echo -n "$module(not found) "
			modules_missing=1
		fi
	done
	if [ $RETVAL -eq 0 ]; then
		if [ -n "$modules_missing" ]; then
			echo_passed
		else
			echo_success
		fi
	else
		echo_failure
	fi
	echo

	if [ $RETVAL -eq 0 ]; then
		if ! is_no "$SET_LIMITS"; then
			action "Setting sensor parameters:" $PSENSORS -s
			RETVAL=$?
		fi
	fi

	if [ $RETVAL -eq 0 ]; then
		touch "$LOCKFILE"
	fi
}

unload_modules()
{
	for module in $HWMON_MODULES $BUS_MODULES ; do
    	if /sbin/modprobe -nq $module; then
    		echo -n "$module "
    		/sbin/modprobe -r $module &>/dev/null || return $?
    	fi
	done
}

stop() {
	echo -n "Unloading sensor modules: "

    unload_modules

	RETVAL=$?
	if [ $RETVAL -eq 0 ]; then
        rm -f $LOCKFILE
        echo_success
		echo
	else
		echo_failure
		echo
	fi
}

dostatus() {
	$PSENSORS
	RETVAL=$?
	if [ $RETVAL -ne 0 ]; then
		RETVAL=3
	fi
}

restart() {
	stop
	start
	RETVAL=$?
}

condstart() {
	[ -e "$LOCKFILE" ] && start || :
}

condstop() {
	[ -e "$LOCKFILE" ] && stop || :
}

condrestart() {
	[ -e "$LOCKFILE" ] && restart ||:
}

# See how we were called.
case "$1" in
  start)
	start
	;;
  stop)
	stop
	;;
  status)
	dostatus
	;;
  restart|reload)
	restart
	;;
  condstop)
	condstop
	;;
  condstart)
	condstart
	;;
  condrestart)
	condrestart
	;;
  *)
	echo "Usage: $0 {start|stop|status|restart|reload|condstart|condstop|condrestart}"
	exit 3
esac

exit $RETVAL