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<?php /* <ViaThinkSoftSignature>
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<?php /* <ViaThinkSoftSignature>
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A==
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A==
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</ViaThinkSoftSignature> */ ?>
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</ViaThinkSoftSignature> */ ?>
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<?php
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<?php
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/*
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/*
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        \ V / | | (_| || | | | | | | | | |   <  ___) | (_) |  _| |_
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        \ V / | | (_| || | | | | | | | | |   <  ___) | (_) |  _| |_
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         \_/  |_|\__,_||_| |_| |_|_|_| |_|_|\_\|____/ \___/|_|  \__|
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         \_/  |_|\__,_||_| |_| |_|_|_| |_|_|\_\|____/ \___/|_|  \__|
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      Developed by Daniel Marschall             www.viathinksoft.com
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      Developed by Daniel Marschall             www.viathinksoft.com
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      Licensed under the terms of the Apache 2.0 license
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      Licensed under the terms of the Apache 2.0 license
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      Revision 2021-05-21
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      Revision 2021-06-24
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*/
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*/
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/****************************************************************************************************
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/****************************************************************************************************
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        // Returns true for '' or null. Does not return true for value 0 or '0' (like empty() does)
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        // Returns true for '' or null. Does not return true for value 0 or '0' (like empty() does)
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        return trim($x) == '';
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        return trim($x) == '';
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}
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}
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abstract class VNag {
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abstract class VNag {
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        /*public*/ const VNAG_VERSION = '2021-05-21';
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        /*public*/ const VNAG_VERSION = '2021-06-24';
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        // Status 0..3 for STATUSMODEL_SERVICE (the default status model):
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        // Status 0..3 for STATUSMODEL_SERVICE (the default status model):
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        # The guideline states: "Higher-level errors (such as name resolution errors, socket timeouts, etc) are outside of the control of plugins and should generally NOT be reported as UNKNOWN states."
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        # The guideline states: "Higher-level errors (such as name resolution errors, socket timeouts, etc) are outside of the control of plugins and should generally NOT be reported as UNKNOWN states."
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        # We choose 4 as exitcode. The plugin developer is free to return any other status.
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        # We choose 4 as exitcode. The plugin developer is free to return any other status.
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        /*public*/ const STATUS_OK       = 0;
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        /*public*/ const STATUS_OK       = 0;
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        }
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        }
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        public static function isKnownUOM(string $uom) {
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        public static function isKnownUOM(string $uom) {
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                // see https://nagios-plugins.org/doc/guidelines.html#AEN200
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                // see https://nagios-plugins.org/doc/guidelines.html#AEN200
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                // 10. UOM (unit of measurement) is one of:
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                // 10. UOM (unit of measurement) is one of:
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                return (
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                                // no unit specified - assume a number (int or float) of things (eg, users, processes, load averages)
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                // no unit specified - assume a number (int or float) of things (eg, users, processes, load averages)
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                                ($uom === '') ||
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                $no_unit = ($uom === '');
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                                // s - seconds (also us, ms)
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                // s - seconds (also us, ms)
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                                ($uom === 's') || ($uom === 'ms') || ($uom === 'us') ||
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                $seconds = ($uom === 's') || ($uom === 'ms') || ($uom === 'us');
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                                // % - percentage
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                // % - percentage
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                                ($uom === '%') ||
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                $percentage = ($uom === '%');
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                                // B - bytes (also KB, MB, TB)
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                // B - bytes (also KB, MB, TB)
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                                ($uom === 'B') || ($uom === 'KB') || ($uom === 'MB') || ($uom === 'GB') || ($uom === 'TB') || // NOTE: GB is not in the official development guidelines,probably due to an error, so I've added them anyway
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                // NOTE: GB is not in the official development guidelines,probably due to an error, so I've added them anyway
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                $bytes = ($uom === 'B') || ($uom === 'KB') || ($uom === 'MB') || ($uom === 'GB') || ($uom === 'TB');
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                                // c - a continous counter (such as bytes transmitted on an interface)
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                // c - a continous counter (such as bytes transmitted on an interface)
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                                ($uom === 'c')
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                $counter = ($uom === 'c');
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                        );
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- 
 
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                return ($no_unit || $seconds || $percentage || $bytes || $counter);
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        }
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        }
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        public function normalize($target=null) {
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        public function normalize($target=null) {
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                $res = clone $this;
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                $res = clone $this;
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