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<?php |
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/** |
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* Stats service for simple files |
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* |
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* @package CacheCheck\Service\Statistics |
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* @author Tim Lochmüller |
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*/ |
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namespace HDNET\CacheCheck\Service\Statistics; |
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use HDNET\CacheCheck\Domain\Model\Cache; |
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use TYPO3\CMS\Core\Cache\Frontend\PhpFrontend; |
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use TYPO3\CMS\Core\Utility\GeneralUtility; |
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/** |
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* Stats service for simple files |
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* |
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* @author Tim Lochmüller |
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*/ |
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class SimpleFileBackend implements StatisticsInterface |
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{ |
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/** |
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* Get the number of entries |
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* |
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* @param Cache $cache |
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* |
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* @return int |
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*/ |
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public function countEntries(Cache $cache) |
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{ |
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return sizeof(glob(GeneralUtility::getFileAbsFileName($this->getCacheDirectory($cache) . '*'))); |
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} |
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/** |
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* Get the size of the cache in byte |
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* |
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* @param Cache $cache |
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* |
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* @return float |
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*/ |
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public function getSize(Cache $cache) |
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{ |
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if ($this->countEntries($cache) === 0) { |
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return 0.0; |
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} |
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return $this->getFolderSize(GeneralUtility::getFileAbsFileName($this->getCacheDirectory($cache))); |
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} |
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/** |
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* Get the number of tags |
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* |
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* @param Cache $cache |
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* |
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* @return int |
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*/ |
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public function countTags(Cache $cache) |
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{ |
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return 0; |
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} |
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/** |
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* Get the foldersize |
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* |
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* @param string $path |
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* |
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* @return int |
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*/ |
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protected function getFolderSize($path) |
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{ |
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$totalSize = 0; |
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$files = scandir($path); |
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foreach ($files as $t) { |
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if ($t !== '.' && $t !== '..') { |
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$currentFile = $path . $t; |
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if (is_dir($currentFile)) { |
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$totalSize += $this->getFolderSize($currentFile); |
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} else { |
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$totalSize += (int)filesize($currentFile); |
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} |
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} |
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} |
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return $totalSize; |
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} |
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/** |
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* Get the cache directory |
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* |
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* @param Cache $cache |
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* |
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* @return string |
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*/ |
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protected function getCacheDirectory(Cache $cache) |
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{ |
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$codeOrData = $cache->getFrontend() === PhpFrontend::class ? 'Code' : 'Data'; |
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return 'typo3temp/Cache/' . $codeOrData . '/' . $cache->getName() . '/'; |
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} |
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/** |
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* Returns the age of found entries in seconds |
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* |
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* @param Cache $cache |
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* |
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* @return int|null |
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*/ |
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public function getAge(Cache $cache) |
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{ |
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$cacheFiles = glob(GeneralUtility::getFileAbsFileName($this->getCacheDirectory($cache) . '*')); |
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if (!$cacheFiles) { |
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return null; |
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} |
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foreach ($cacheFiles as $key => $cacheFile) { |
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$cacheFiles[$key] = time() - filectime($cacheFile); |
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} |
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return intval(array_sum($cacheFiles) / count($cacheFiles)); |
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} |
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/** |
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* Returns the left lifetime of the cache entry |
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* |
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* @param Cache $cache |
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* |
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* @return int|null |
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*/ |
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public function getExpires(Cache $cache) |
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|
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{ |
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return null; |
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} |
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} |
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|
lochmueller /
cache_check
This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent.
Consider making the comparison explicit by using
empty(..)or! empty(...)instead.