/** * This clear cache implementation follows a pretty brutal approach. * Goal is to reliably get rid of cache entries, even if some broken * extension is loaded that would kill the backend 'clear cache' action. * * Therefor this method "knows" implementation details of the cache * framework and uses them to clear all file based cache (typo3temp/Cache) * and database caches (tables prefixed with cf_) manually. * * After that ext_tables and ext_localconf of extensions are loaded, those * may register additional caches in the caching framework with different * backend, and will then clear them with the usual flush() method. * * @return void */ public function clearAll() { // Delete typo3temp/Cache GeneralUtility::flushDirectory(PATH_site . 'typo3temp/var/Cache', true, true); $bootstrap = \TYPO3\CMS\Core\Core\Bootstrap::getInstance(); $bootstrap->initializeCachingFramework()->initializePackageManagement(\TYPO3\CMS\Core\Package\PackageManager::class); // Get all table names from Default connection starting with 'cf_' and truncate them $connectionPool = GeneralUtility::makeInstance(ConnectionPool::class); $connection = $connectionPool->getConnectionByName('Default'); $tables = $connection->getSchemaManager()->listTables(); foreach ($tables as $table) { if (strpos($table->getName(), 'cf_') === 0 || $table->getName() === 'cache_treelist') { $connection->truncate($table->getName()); } } // check tables on other connections $remappedTables = isset($GLOBALS['TYPO3_CONF_VARS']['DB']['TableMapping']) ? array_keys((array) $GLOBALS['TYPO3_CONF_VARS']['DB']['TableMapping']) : []; foreach ($remappedTables as $tableName) { if (strpos((string) $tableName, 'cf_') === 0 || $tableName === 'cache_treelist') { $connectionPool->getConnectionForTable($tableName)->truncate($tableName); } } // From this point on, the code may fatal, if some broken extension is loaded. // Use bootstrap to load all ext_localconf and ext_tables $bootstrap->loadTypo3LoadedExtAndExtLocalconf(false)->defineLoggingAndExceptionConstants()->unsetReservedGlobalVariables()->initializeTypo3DbGlobal()->loadExtensionTables(false); // The cache manager is already instantiated in the install tool // with some hacked settings to disable caching of extbase and fluid. // We want a "fresh" object here to operate on a different cache setup. // cacheManager implements SingletonInterface, so the only way to get a "fresh" // instance is by circumventing makeInstance and/or the objectManager and // using new directly! $cacheManager = new \TYPO3\CMS\Core\Cache\CacheManager(); $cacheManager->setCacheConfigurations($GLOBALS['TYPO3_CONF_VARS']['SYS']['caching']['cacheConfigurations']); $cacheManager->flushCaches(); }
/** * This clear cache implementation follows a pretty brutal approach. * Goal is to reliably get rid of cache entries, even if some broken * extension is loaded that would kill the backend 'clear cache' action. * * Therefor this method "knows" implementation details of the cache * framework and uses them to clear all file based cache (typo3temp/Cache) * and database caches (tables prefixed with cf_) manually. * * After that ext_tables and ext_localconf of extensions are loaded, those * may register additional caches in the caching framework with different * backend, and will then clear them with the usual flush() method. * * @return void */ public function clearAll() { // Delete typo3temp/Cache GeneralUtility::flushDirectory(PATH_site . 'typo3temp/var/Cache', true, true); $bootstrap = \TYPO3\CMS\Core\Core\Bootstrap::getInstance(); $bootstrap->initializeCachingFramework()->initializePackageManagement(\TYPO3\CMS\Core\Package\PackageManager::class); // Get all table names starting with 'cf_' and truncate them $database = $this->getDatabaseConnection(); $tables = $database->admin_get_tables(); foreach ($tables as $table) { $tableName = $table['Name']; if (substr($tableName, 0, 3) === 'cf_') { $database->exec_TRUNCATEquery($tableName); } elseif ($tableName === 'cache_treelist') { // cache_treelist is not implemented in the caching framework. // clear this table manually $database->exec_TRUNCATEquery('cache_treelist'); } } // From this point on, the code may fatal, if some broken extension is loaded. // Use bootstrap to load all ext_localconf and ext_tables $bootstrap->loadTypo3LoadedExtAndExtLocalconf(false)->defineLoggingAndExceptionConstants()->unsetReservedGlobalVariables()->initializeTypo3DbGlobal()->loadExtensionTables(false); // The cache manager is already instantiated in the install tool // with some hacked settings to disable caching of extbase and fluid. // We want a "fresh" object here to operate on a different cache setup. // cacheManager implements SingletonInterface, so the only way to get a "fresh" // instance is by circumventing makeInstance and/or the objectManager and // using new directly! $cacheManager = new \TYPO3\CMS\Core\Cache\CacheManager(); $cacheManager->setCacheConfigurations($GLOBALS['TYPO3_CONF_VARS']['SYS']['caching']['cacheConfigurations']); // Cache manager needs cache factory. cache factory injects itself to manager in __construct() new \TYPO3\CMS\Core\Cache\CacheFactory('production', $cacheManager); $cacheManager->flushCaches(); }
/** * Clear all caches. * * @param bool $hard * @return void */ public function clearAllCaches($hard = FALSE) { if (!$hard) { $this->dataHandler->clear_cacheCmd('all'); } else { GeneralUtility::rmdir(PATH_site . 'typo3temp/Cache', TRUE); $cacheManager = new \TYPO3\CMS\Core\Cache\CacheManager(); $cacheManager->setCacheConfigurations($GLOBALS['TYPO3_CONF_VARS']['SYS']['caching']['cacheConfigurations']); new \TYPO3\CMS\Core\Cache\CacheFactory('production', $cacheManager); $cacheManager->flushCaches(); } }
/** * Initialize caching framework, and re-initializes it (e.g. in the install tool) by recreating the instances * again despite the Singleton instance * * @return Bootstrap * @internal This is not a public API method, do not use in own extensions */ public function initializeCachingFramework() { $cacheManager = new \TYPO3\CMS\Core\Cache\CacheManager(); $cacheManager->setCacheConfigurations($GLOBALS['TYPO3_CONF_VARS']['SYS']['caching']['cacheConfigurations']); GeneralUtility::setSingletonInstance(\TYPO3\CMS\Core\Cache\CacheManager::class, $cacheManager); $cacheFactory = new \TYPO3\CMS\Core\Cache\CacheFactory('production', $cacheManager); GeneralUtility::setSingletonInstance(\TYPO3\CMS\Core\Cache\CacheFactory::class, $cacheFactory); $this->setEarlyInstance(\TYPO3\CMS\Core\Cache\CacheManager::class, $cacheManager); return $this; }
/** * @test */ public function getCacheCreatesCacheInstanceWithFallbackToDefaultBackenOptions() { $manager = new \TYPO3\CMS\Core\Cache\CacheManager(); $cacheIdentifier = $this->getUniqueId('Test'); $cacheObjectName = 'testCache'; $backendObjectName = 'testBackend'; $configuration = array($cacheIdentifier => array('frontend' => $cacheObjectName, 'backend' => $backendObjectName)); $factory = $this->getMock('TYPO3\\CMS\\Core\\Cache\\CacheFactory', array('create'), array(), '', FALSE); $factory->expects($this->once())->method('create')->with($cacheIdentifier, $cacheObjectName, $backendObjectName, array()); $manager->injectCacheFactory($factory); $manager->setCacheConfigurations($configuration); $manager->getCache($cacheIdentifier); }