#!/bin/bash



UTWHO=/opt/SUNWut/bin/utwho




############################################










function usage
{
    echo "usage: $0 [ -w num | --warning num ]  [-c num | --critical num] [ -a | --all-sessions ]  [ -o | --connected-only ]"
}






WARNING=false
CRITICAL=false

while [ "$1" != "" ]; do
    case $1 in
        -w | --warning )           shift
                                WARNING=$1
                                ;;
        -c | --critical )       shift
                                CRITICAL=$1
                                ;;
	
        -a | --all-sessions )   ARGS=-a
                                ;;
        -o | --connected-only )   ARGS=-c
                                ;;
        -h | --help )           usage
                                exit
                                ;;
        * )                     usage
                                exit 1
    esac
    shift
done








if ! [  $CRITICAL -eq $CRITICAL 2> /dev/null ]; then
        usage;
	exit 3;	
fi


if ! [  $WARNING -eq $WARNING 2> /dev/null ]; then
        usage;
	exit 3;
fi





if  [  "$CRITICAL" -lt "$WARNING" ]  ; then
        usage;
	exit 3;

fi

NUM=`$UTWHO $ARGS | wc -l`;

if [ $NUM -gt $CRITICAL ] ;  then
	echo "CRITICAL, $NUM SunRay Sessions";
	exit 2;
elif [ $NUM -gt $WARNING ] ;  then
	echo "WARNING, $NUM SunRay Sessions" 
	exit 1;
else
	echo "OK, $NUM SunRay Sessions";
fi