#!/bin/bash
#
# JP Renaud - 26/09/2006
# /etc/init.d/tecplotlm: start and stop the Tecplot license manager
#
# tecplotlm 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. 
#
# This file is *NOT* part of the official Tecplot 360
#
# Description:  Makes sure that the Tecplot license manager is started at boot.
#               This is particularly useful for people running Tecplot on Linux
#               laptops which are rebooted very often.
#
#               This init script was written for Kubuntu Linux Dapper but should
#               work with minor modifications on most Linux flavours.
#
# Installation: After dropping this file in your /etc/init.d/ directory, make it
#               executable and add it to the relevant runlevels. 
#               On (K)ubuntu, use:
#                     sudo update-rc.d tecplotlm defaults
###################################################################################

# Load Linux Standard base init functions (log_begin_msg etc...)
. /lib/lsb/init-functions

#Make sure that the script is run with suid 0 for start/stop (and therefore restart!)
if [ `id -u` != "0" ] && [ "$1" = "start" -o "$1" = "stop" ] ; then
  log_failure_msg "You must be root to start, stop/kill or restart the Tecplot license manager."
  exit 1
fi

# Minimum checks on Tecplot installation
# Location of the Tecplot directory in TECHOME must be customised if necessary
TECHOME=/usr/local/tec360
if [ ! -d $TECHOME ] ; then
  log_failure_msg "Problem: $TECHOME does not exist. Check your Tecplot installation"
  exit 1
fi

if [ ! -f $TECHOME/tlm/tlmd ] ; then
  log_failure_msg "Problem: $TECHOME/tlm/tlmd does not exist. Check your Tecplot installation"
  exit 1
fi
if [ ! -f $TECHOME/tlm/tlmadmin ] ; then
  log_failure_msg "Problem: $TECHOME/tlm/tlmadmin does not exist. Check your Tecplot installation"
  exit 1
fi
if [ ! -f $TECHOME/tlm/tlm.log ] ; then
  log_failure_msg "Problem: $TECHOME/tlm/tlm.log does not exist. Check your Tecplot installation"
  exit 1
fi

VERB="$1"
shift

case "$VERB" in

    start)
        log_begin_msg "Starting the Tecplot license manager..."
	STATUS=0

	# Check that license manager is not currently running
        # We look if the tlmd process is running or not
        # This is avery crude test and could (should?) probably be improved
        TEST=`ps -A | grep tlmd`
        if [ -n "$TEST" ] ; then
          log_failure_msg "Problem: it looks like the Tecplot license manager is already running."
	  log_failure_msg "Problem: stop it first (or issue a restart)."
	  exit 1
        fi

	$TECHOME/tlm/tlmd -l $TECHOME/tlm/tlm.log -e $TECHOME/tlm -s 1
        RES=$?
        test $RES = 0 || STATUS=1
        log_end_msg $STATUS
        ;;

    stop|kill)
        log_begin_msg "Killing the Tecplot license manager..."
	STATUS=0
	$TECHOME/tlm/tlmadmin -x -k
        RES=$?
        test $RES = 0 || STATUS=1
        log_end_msg $STATUS
        ;;

    restart)
        "$0" stop && "$0" start
        ;;
    *)
        log_failure_msg "Usage: $0 start|stop|kill|restart"
	exit 1
        ;;
esac

exit 0