# MemUsed by a Process
# 
# This script will look at all mailbox databases
# and determine the status of each.
# 
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program 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. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# Originally created by Jeff Roberson (jeffrey.roberson@gmail.com)
# at Bethel College, North Newton, KS
#
# Revision History
# 18/07/2012	Matthieu Paturot		Creation
#
# To execute from within NSClient++
#
#[NRPE Handlers]
#memory_used_process=scripts\powershellexec.bat "D:\Scripts\memused_process.ps1" "$ARG1$ $ARG2$ $ARG3$"
#
$StatusText = @{"0"="OK"; "1"="WARNING"; "2"="CRITICAL"; "3"="UNKNOW"}
$Process = $args[0]
$Warn = $args[1]
$Crit = $args[2]
$string 

# Path performance counter
$counter = "\Process($Process)\Private Bytes"

# Command to get performance counter
$data = get-counter $counter

# Query
$string = $data.countersamples | format-list -property * | out-string -stream | select-string "CookedValue" 

# Get a numeric value without text "CookedValue :"
$resraw = $string -replace '[a-z, ,:]',''

# Get a round numeric value in Mega Bytes
$rescooked = [math]::truncate($resraw / 1MB)

# Control
if($rescooked -gt $Crit)
{
	$Status = 2
}
elseif($rescooked -gt $Warn)
{
	$status = 1
}
else
{
	$Status = 0
}

#Perfdata
$PerfData = "MemoryUsed=" + $rescooked + ";" + $Warn + ";" + $Crit

# Print result
write-host $StatusText["$Status"] "-" "$rescooked MB | $PerfData"