File check_snmp_klima of Package nagios-plugins-snmp

#!/usr/bin/php5
<?php
/*
** Author
**  Original author Carsten Schoene (cs@linux-administrator.com)
**
** Copyright
**  Copyright (c) 2008 linux-administrator.com
**  All Rights Reserved.
*/

// required arguments
// $1 = Host / IP
// $2 = read community string

$lowerthreshold = "SNMPv2-SMI::enterprises.1909.13.1.1.1.3.1";
$upperthreshold = "SNMPv2-SMI::enterprises.1909.13.1.1.1.4.1";
$currenttemprature = "SNMPv2-SMI::enterprises.1909.13.1.1.1.5.1";
$grad = iconv("UTF-8","ISO-8859-15","°");
define('MYNAME',"check_rms200");
define('OK',0);
define('WARNING',1);
define('CRITICAL',2);
define('UNKNOWN',3);
define('DEPENDENT',4);

define_syslog_variables();
openlog(MYNAME,LOG_PID | LOG_ODELAY,LOG_MAIL);

if ( ! extension_loaded("snmp") ) {
        if ( ! dl("snmp") ) {
                syslog(LOG_ERR,"snmp extension not loaded!");
                exit;
        }
}
ini_set("display_errors","on");
// get working directory
define('BASE',dirname(__FILE__));

$cmdlineopt = getopt("H:C:");
if (empty($cmdlineopt)) {
        echo "Usage: " . MYNAME . " -H [<hostname> | <ipaddress>] -C [<community>]\n";
        echo "\t -H\t Hostname or IP address (default: localhost)\n";
        echo "\t -C\t Community (default: public)\n";
        exit(1);
}
if ( isset($cmdlineopt['H']) ) {
	$hostname = $cmdlineopt['H'];
} else {
	$hostname = "localhost";
}

if ( isset($cmdlineopt['C']) ) {
	$community = $cmdlineopt['C'];
} else {
	$community = "public";
}
$lowerval = @snmpget($hostname,$community,$lowerthreshold);
if ( $lowerval == FALSE ) {
	echo "Can't get lower threshold\n";
	exit(UNKNOWN);
} else {
	$lowarr = explode(": ",$lowerval);
	$lowerval = $lowarr[1];
}
$upperval = @snmpget($hostname,$community,$upperthreshold);
if ( $upperval == FALSE ) {
	echo "Can't get upper threshold\n";
	exit(UNKNOWN);
} else {
	$upparr = explode(": ",$upperval);
	$upperval = $upparr[1];
}
$currentval = @snmpget($hostname,$community,$currenttemprature);
if ( $currentval == FALSE ) {
	echo "Can't get current temprature value\n";
	exit(UNKNOWN);	
} else {
	$curarr = explode(": ",$currentval);
	$currentval = $curarr[1];
}
$cur = $currentval / 100;
$low = $lowerval / 100;
$high = $upperval / 100;

if ( $currentval < $lowerval ) {
	echo "Current Temprature " . $cur . " " .$grad . "C is below threshold of " . $low . " " . $grad . "C\n";
	exit(WARNING);
}
if ( $currentval > $upperval ) {
	echo "Current Temprature " . $cur . " " . $grad . "C is over threshold of " . $high . " " . $grad . "C\n";
	exit(CRITICAL);
}
if ( $currentval < $upperval && $currentval > $lowerval ) {
	echo "Current Temprature is " . $cur . " " . $grad . "C\n";
	exit(OK);
}
?>