#! /bin/sh
# Copyright (c) 1999-2004 UPS Manufacturing s.r.l..
# All rights reserved.
#
# init.d/upsmon
#
# System startup script for the Upsagent daemon
#
### BEGIN INIT INFO
# Provides: upsagent
# Required-Start: $network syslog
# Required-Stop: 
# Default-Start: 2 3 5
# Default-Stop: 0 1 4 6
# Description: UPS monitoring daemon
### END INIT INFO

UPS_BIN=/opt/upsmon/upsagent
test -x $UPS_BIN || exit 5

UPSSNMP_BIN=/opt/upsmon/upssnmpag
test -x $UPSSNMP_BIN || exit 5

# Shell functions sourced from /etc/rc.status:
#      rc_check         check and set local and overall rc status
#      rc_status        check and set local and overall rc status
#      rc_status -v     ditto but be verbose in local rc status
#      rc_status -v -r  ditto and clear the local rc status
#      rc_failed        set local and overall rc status to failed
#      rc_reset         clear local rc status (overall remains)
#      rc_exit          exit appropriate to overall rc status
. /etc/rc.status

# First reset status of this service
rc_reset

# Return values acc. to LSB for all commands but status:
# 0 - success
# 1 - misc error
# 2 - invalid or excess args
# 3 - unimplemented feature (e.g. reload)
# 4 - insufficient privilege
# 5 - program not installed
# 6 - program not configured
#
# Note that starting an already running service, stopping
# or restarting a not-running service as well as the restart
# with force-reload (in case signalling is not supported) are
# considered a success.

case "$1" in
    start)
	echo -n "Starting UPS monitoring daemon"
	## Start daemon with startproc(8). If this fails
	## the echo return value is set appropriate.

	## first run checkproc
        #
	checkproc $UPS_BIN

	# startproc should return 0, even if service is
	# already running to match LSB spec.
	startproc $UPS_BIN 

	# Remember status and be verbose
	rc_status -v

	echo -n "Starting UPS SNMP gateway daemon"
	checkproc $UPSSNMP_BIN
	startproc $UPSSNMP_BIN
	rc_status -v

	;;
    stop)
	echo -n "Shutting down UPS monitoring daemon"
	## Stop daemon with killproc(8) and if this fails
	## set echo the echo return value.

 	killproc -TERM $UPS_BIN 

	# Remember status and be verbose
	rc_status -v
	
	echo "Shutting down UPS SNMP gateway daemon"
	killproc -TERM $UPSSNMP_BIN
	rc_status -v

	;;
    status)
	echo -n "Checking for UPSAgent: "
	## Check status with checkproc(8), if process is running
	## checkproc will return with exit status 0.

	# Status has a slightly different for the status command:
	# 0 - service running
	# 1 - service dead, but /var/run/  pid  file exists
	# 2 - service dead, but /var/lock/ lock file exists
	# 3 - service not running

	# If checkproc would return LSB compliant ret values,
	# things could be a little bit easier here. This will
	# probably soon be the case ...
	rc_checkproc() {
		checkproc $1 || {
			test -e $2 && return 1 || return 3
		}
	}
	rc_checkproc $UPS_BIN /var/run/upsagent.pid
	rc_status -v
	;;
    *)
	echo "Usage: $0 {start|stop|status}"
	exit 1
	;;
esac
rc_exit
