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File check_mem_lancom of Package nagios-plugins-snmp

 
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#!/usr/bin/php5
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<?php
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/*
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** Author
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**  Original author Carsten Schoene (cs@linux-administrator.com)
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**
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** Copyright
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**  Copyright (c) 2007 linux-administrator.com
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**  All Rights Reserved.
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*/
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​
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$lancomtotal=".1.3.6.1.4.1.2356.600.3.54.1.47.4";
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$lancomfree=".1.3.6.1.4.1.2356.600.3.54.1.47.5";
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​
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define('MYNAME',"check_mem_lancom");
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define_syslog_variables();
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openlog(MYNAME,LOG_PID | LOG_ODELAY,LOG_MAIL);
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​
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if ( ! extension_loaded("snmp") ) {
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        if ( ! dl("snmp") ) {
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                syslog(LOG_ERR,"snmp extension not loaded!");
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                exit;
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        }
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}
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ini_set("display_errors","on");
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​
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$cmdlineopt = getopt("H:C:w:c:h");
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​
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if (empty($cmdlineopt)) {
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    print_help();
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}
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​
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function print_help() {
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        echo "Usage: " . MYNAME . " < -H  HOSTNAME | -C COMMUNITY | -w | -c >\n";
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        echo "\t -H\t target Hostname to check\n";
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        echo "\t -C\t community name\n";
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        echo "\t -w\t warning threshold\n";
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        echo "\t -c\t critical threshold\n";
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        echo "\t -h\t this help screen\n";
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        exit(1);
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}
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​
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function print_message ( $msg, $retval ) {
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    echo "$msg\n";
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    exit($retval);
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}
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if ( isset($cmdlineopt['H'])  &&  isset($cmdlineopt['C'])  &&  isset($cmdlineopt['w'])  &&  isset($cmdlineopt['c']) ) {
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​
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    $memtotal = explode(" " , snmpget($cmdlineopt['H'], $cmdlineopt['C'], $lancomtotal ) );
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    $memfree = explode(" " , snmpget($cmdlineopt['H'], $cmdlineopt['C'], $lancomfree ) );
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​
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​
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    $onepercent = $memtotal[1] / 100;
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​
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    $memused = $memtotal[1] - $memfree[1];
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    $percentused = $memused / $onepercent;
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​
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    $percentused = round($percentused,0);
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​
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    if ( $percentused > $cmdlineopt['c'] ) {
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​
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        $message = "MEMORY Critical: " . $memused . " Bytes used / " . $memtotal[1] . " Bytes total";
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        print_message($message,2);
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​
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    } elseif ( $percentused > $cmdlineopt['w'] ) {
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​
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        $message = "MEMORY Warning: " . $memused . " Bytes used / " . $memtotal[1] . " Bytes total";
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        print_message($message,1);
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​
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    } else {
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​
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        $message = "MEMORY OK: " . $memused . " Bytes used / " . $memtotal[1] . " Bytes total";
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        print_message($message,0);
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​
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    }
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​
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} else {
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    print_help();
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}
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?>
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​

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