| 1,26 → 1,26 |
|---|
| <?php /* <ViaThinkSoftSignature> |
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| </ViaThinkSoftSignature> */ ?> |
| <?php |
| |
| 29,7 → 29,7 |
|---|
| * Developed by Daniel Marschall, ViaThinkSoft <www.viathinksoft.com> |
| * Licensed under the terms of the Apache 2.0 license |
| * |
| * Revision 2018-07-18 |
| * Revision 2022-05-19 |
| */ |
| |
| declare(ticks=1); |
| 55,19 → 55,30 |
|---|
| $this->criticalSingleValueRangeBehaviors[0] = self::SINGLEVALUE_RANGE_VAL_LT_X_BAD; |
| } |
| |
| private function getMemAttr($attrName) { |
| $cont = file_get_contents('/proc/meminfo'); |
| preg_match('@^'.preg_quote($attrName,'@').':\s+(\d+)\s+kB$@ismU', $cont, $m); |
| return $m[1]; |
| protected function cbRun($optional_args=array()) { |
| if (!file_exists($meminfo_file = '/proc/meminfo')) { |
| throw new VNagException("Cannot find $meminfo_file"); |
| } |
| |
| protected function cbRun($optional_args=array()) { |
| if (!file_exists('/proc/meminfo')) { |
| throw new VNagException("Cannot find /proc/meminfo"); |
| $meminfo_attrs = array(); |
| foreach (file($meminfo_file) as $line) { |
| $line = trim($line); |
| if ($line == '') continue; |
| list($key, $value) = explode(':', $line, 2); |
| if ((!strstr($key,'Pages')) && (strtolower(substr($line,-2)) !== 'kb')) { |
| throw new Exception("meminfo shall contain Kilobytes!"); |
| } |
| $meminfo_attrs[$key] = (int)trim(substr($value, 0, strlen($value)-2)); |
| } |
| |
| $totalKB = $this->getMemAttr('MemTotal') + $this->getMemAttr('SwapTotal'); |
| $freeKB = $this->getMemAttr('MemFree') + $this->getMemAttr('SwapFree'); |
| if (!isset($meminfo_attrs['MemAvailable'])) { |
| $meminfo_attrs['MemAvailable'] = $meminfo_attrs['MemFree']; |
| if (isset($meminfo_attrs['Buffers'])) $meminfo_attrs['MemAvailable'] += $meminfo_attrs['Buffers']; |
| if (isset($meminfo_attrs['Cached'])) $meminfo_attrs['MemAvailable'] += $meminfo_attrs['Cached']; |
| } |
| |
| $totalKB = $meminfo_attrs['MemTotal'] + $meminfo_attrs['SwapTotal']; |
| $freeKB = $meminfo_attrs['MemAvailable'] + $meminfo_attrs['SwapFree']; |
| $freePercent = $freeKB/$totalKB*100; |
| |
| $this->checkAgainstWarningRange( array($freeKB.'KB', $freePercent.'%'), false, true, 0); |