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<?php |
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/** |
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* KPI calculation |
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* |
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* @package CacheCheck\Service |
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* @author Tim Lochmüller |
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*/ |
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namespace HDNET\CacheCheck\Service; |
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use HDNET\CacheCheck\Domain\Model\Cache; |
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use HDNET\CacheCheck\Exception; |
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use HDNET\CacheCheck\Service\Analyzer\AnalyzerInterface; |
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use HDNET\CacheCheck\Service\Statistics\StatisticsInterface; |
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use TYPO3\CMS\Core\Utility\GeneralUtility; |
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/** |
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* KPI calculation |
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* |
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* @author Tim Lochmüller |
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*/ |
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class KeyPerformanceIndicator extends AbstractService |
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{ |
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/** |
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* Get the current instance |
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* |
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* @return KeyPerformanceIndicator |
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*/ |
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public static function getInstance() |
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{ |
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return GeneralUtility::makeInstance(KeyPerformanceIndicator::class); |
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} |
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/** |
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* Get static cache information |
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* |
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* @param Cache $cache |
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* |
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* @return array |
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*/ |
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public function getStatic(Cache $cache) |
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{ |
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$formatService = GeneralUtility::makeInstance(FormatService::class); |
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$backendParts = GeneralUtility::trimExplode('\\', $cache->getRealBackend(), true); |
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$className = 'HDNET\\CacheCheck\\Service\\Statistics\\' . $backendParts[sizeof($backendParts) - 1]; |
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if (!class_exists($className)) { |
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return false; |
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} |
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/** @var StatisticsInterface $statsBackend */ |
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$statsBackend = GeneralUtility::makeInstance($className); |
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$size = $statsBackend->getSize($cache); |
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$entryCount = $statsBackend->countEntries($cache); |
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return [ |
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'cacheEntriesCount' => $entryCount, |
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'allEntrySizeByte' => $size, |
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'averageEntrySizeByte' => $entryCount === 0 ? 0 : $size / $entryCount, |
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'differentTagsCount' => $statsBackend->countTags($cache), |
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'averageAgeOfCache' => $formatService->formatSeconds($statsBackend->getAge($cache)), |
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'averageExpiresOfCache' => $formatService->formatSeconds($statsBackend->getExpires($cache)), |
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]; |
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} |
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/** |
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* Get dynamic cache information |
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* |
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* @param Cache $cache |
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* |
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* @return array |
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*/ |
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public function getDynamic(Cache $cache) |
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{ |
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$kpiClasses = [ |
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'CountLogEntries', |
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'StartTime', |
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'EndTime', |
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'LogTime', |
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'AverageCreationTime', |
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'AverageSelectionTime', |
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'HitRate', |
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'MissRate', |
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'HasPerSecond', |
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'GetPerSecond', |
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'SetPerSecond', |
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]; |
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$kpi = []; |
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foreach ($kpiClasses as $i => $class) { |
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/** @var AnalyzerInterface $kpiObject */ |
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$kpiObject = GeneralUtility::makeInstance('HDNET\\CacheCheck\\Service\\Analyzer\\' . $class); |
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try { |
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$kpiValue = $kpiObject->getKpi($cache); |
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if ($i === 0 && $kpiValue === 0) { |
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return false; |
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} |
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$kpiValue = $kpiObject->getFormat($kpiValue); |
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} catch (Exception $ex) { |
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$kpiValue = 'NaN'; |
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} |
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$kpi[lcfirst($class)] = $kpiValue; |
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} |
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return $kpi; |
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} |
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} |
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lochmueller /
cache_check
