#!/bin/bash
#
# dsmcad   Start up the TSM backup daemon
#
# chkconfig:   345 56 24
# description: TSM (Tivoli Storage Manager) is the backup system used \
#              used at UiO. This service starts up the TSM backup \
#              daemon (dsmcad).
#
# See https://fedoraproject.org/wiki/Packaging:SysVInitScript for 
# the guidelines document.

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

# User options
OPTFILE[0]="/etc/dsm.opt"
NAME[0]="default"

# Other variables
exec="/opt/tivoli/tsm/client/ba/bin/dsmcad"
base="uio-dsmcad"

# Config file
[ -e /etc/sysconfig/$base ] && . /etc/sysconfig/$base

# Set some environment variables
LANG=en_US
LC_CTYPE=en_US
DSM_DIR=/opt/tivoli/tsm/client/ba/bin/
DSM_LOG=/opt/tivoli/tsm/client/ba/bin/
export LANG LC_CTYPE DSM_DIR DSM_LOG

function start() {
    [ -x $exec ] || exit 5
    for i in $(seq 0 $((${#OPTFILE[@]} - 1))); do
	[ -f ${OPTFILE[$i]} ] || exit 6
	DSM_CONFIG=${OPTFILE[$i]}
	export DSM_CONFIG
	echo -n $"Starting $base (${NAME[$i]}): "
	daemon $exec -optfile=${OPTFILE[$i]}
	retval=$?
	sleep 1
	echo
	pidfile="/var/run/${base}_${NAME[$i]}.pid"
	# rather ugly, but it works
	ps -C dsmcad h | grep "optfile=${OPTFILE[$i]}" | awk '{print $1}' > $pidfile
	lockfile="/var/lock/subsys/${base}_${NAME[$i]}"
	[ $retval -eq 0 ] && touch ${lockfile}
    done
    return $retval
}

function stop() {
    for i in $(seq 0 $((${#OPTFILE[@]} - 1))); do
	pidfile="/var/run/${base}_${NAME[$i]}.pid"
	[ -f ${pidfile} ] || continue
	lockfile="/var/lock/subsys/${base}_${NAME[$i]}"
	echo -n $"Stopping $base (${NAME[$i]}): "
	killproc -p ${pidfile} dsmcad
	retval=$?
	echo
	[ $retval -eq 0 ] && rm -f ${lockfile} ${pidfile}

	# FIXME: bug cleanup (temporary)
	[ -f "/var/run/S56${base}_${NAME[$i]}.pid" ] \
	    && rm -f /var/run/S56${base}_${NAME[$i]}.pid
	[ -f "/var/lock/subsys/S56${base}_${NAME[$i]}" ] \
	    && rm -f /var/lock/subsys/S56${base}_${NAME[$i]}
    done
    killproc dsmcad >/dev/null
    return $retval
}

function restart() {
    stop
    start
}

function reload() {
    restart
}

function force_reload() {
    restart
}

function rh_status() {
    for i in $(seq 0 $((${#OPTFILE[@]} - 1))); do
	pidfile="/var/run/${base}_${NAME[$i]}.pid"
	length=$(echo ${NAME[$i]} | wc -c)
	echo -n "${NAME[$i]}"
	if [ $length -le 10 ]; then
	    for j in $(seq 1 $((10 - $length))); do
		echo -n ' '
	    done
	fi
	echo -n ' : '
	status -p ${pidfile} $base
    done
}

function rh_status_q() {
    rh_status >/dev/null 2>&1
}


case "$1" in
    start)
        rh_status_q && exit 0
        $1
        ;;
    stop)
        rh_status_q || exit 0
        $1
        ;;
    restart)
        $1
        ;;
    reload)
        rh_status_q || exit 7
        $1
        ;;
    force-reload)
        force_reload
        ;;
    status)
        rh_status
        ;;
    condrestart|try-restart)
        rh_status_q || exit 0
        restart
        ;;
    *)
        echo $"Usage: $0 {start|stop|status|restart|condrestart|try-restart|reload|force-reload}"
        exit 2
esac
exit $?