#!/bin/sh

# Script writen by Evolix

_WARNING_STATES_LIMIT=130000
_CRTICAL_STATES_LIMIT=150000

. /usr/local/libexec/nagios/utils.sh

_CHECK_STATES=$(/sbin/pfctl -si | /usr/bin/grep current | /usr/bin/sed s,\ current\ entries\ ,,g | /usr/bin/sed -e 's,^[ \t]*,,' | /usr/bin/sed 's, *$,,')

if [ $_CHECK_STATES -lt $_WARNING_STATES_LIMIT ];then
        echo "OK: States number ($_CHECK_STATES) is below threshold ($_WARNING_STATES_LIMIT / $_CRTICAL_STATES_LIMIT)"
        exit "$STATE_OK"
elif [ $_CHECK_STATES -ge $_WARNING_STATES_LIMIT ] && [ $_CHECK_STATES -lt $_CRTICAL_STATES_LIMIT ];then
        echo "WARNING: States number is $_CHECK_STATES (threshold WARNING = $_WARNING_STATES_LIMIT)"
        exit "$_STATE_WARNING"
else
        echo "CRITICAL: States number is $_CHECK_STATES (threshold CRITICAL = $_CRTICAL_STATES_LIMIT)"
        exit "$_STATE_CRITICAL"
fi