/**
* @return \Drupal\service_container\DependencyInjection\CachedContainerBuilder
*/
protected static function getContainerBuilder()
{
$service_provider_manager = new ServiceProviderPluginManager();
// This is an internal API, but we need the cache object.
$cache = _cache_get_object('cache');
$container_builder = new CachedContainerBuilder($service_provider_manager, $cache);
return $container_builder;
}
/**
* Instantiates a cache backend class for a given cache bin
*
* Classes implementing CacheBackendInterface can register
* themselves both as a default implementation and for specific bins.
*
* @param string $bin
* The cache bin for which a cache backend object should be returned.
*
* @return CacheBackendInterface
* The cache backend object associated with the specified bin.
*/
public function get($bin)
{
return new CacheBackendProxy(_cache_get_object($bin));
}
/**
* RateLimitPluginManager factory method.
*
* @param string $bin
* The cache bin for the plugin manager.
*
* @return RateLimitPluginManager
* The created manager.
*/
public static function create($bin = 'cache')
{
return new static(Module::getNamespaces(), _cache_get_object($bin));
}
define('DRUPAL_ROOT', substr($_SERVER['SCRIPT_FILENAME'], 0, strpos($_SERVER['SCRIPT_FILENAME'], $_SERVER['REQUEST_URI'])));
// There's code, for example in phptemplate.engine, which assumes we're in the
// Drupal root directory.
chdir(DRUPAL_ROOT);
require_once DRUPAL_ROOT . '/includes/bootstrap.inc';
require_once DRUPAL_ROOT . '/includes/common.inc';
// Perform a minimal bootstrap.
drupal_bootstrap(DRUPAL_BOOTSTRAP_CONFIGURATION);
drupal_add_http_header('X-Ad-bootstrap-phase', 'configuration');
// We'll try to load advertisement from the cache.
require_once DRUPAL_ROOT . '/includes/cache.inc';
foreach (variable_get('cache_backends', array()) as $include) {
require_once DRUPAL_ROOT . '/' . $include;
}
// Decide whether to bootstrap the database.
$cache_backend = _cache_get_object('ad');
if ($cache_backend instanceof DrupalDatabaseCache) {
drupal_bootstrap(DRUPAL_BOOTSTRAP_DATABASE);
drupal_add_http_header('X-Ad-bootstrap-phase', 'database');
}
// Lock.inc could be used by cache backend (e.g. memcache stampede protection).
require_once DRUPAL_ROOT . '/' . variable_get('lock_inc', 'includes/lock.inc');
// We use the queue API to store the impression.
require_once DRUPAL_ROOT . '/modules/system/system.queue.inc';
// In my tests, including system.queue.inc directly is a lot faster than
// module_load_include(); this also makes sure that module_implements() does not
// exist, and therefore if watchdog() (or any other function that calls
// module_implements()) is called, the cache of module_implements() is not
// saved.
//require_once DRUPAL_ROOT . '/includes/module.inc';
//module_load_include('inc', 'system', 'system.queue');
/**
* Returns a checksum that indicates whether the 'system' table was modified. It is not required to be 100%
* accurate, its goal is to not return the whole 'system' table in the response if the content did not change.
*
* @return string|null 32-character checksum value or NULL if the checksum is not supported.
*/
private function getExtensionChecksum()
{
// There are multiple ways to check when the 'system' table was updated.
if (_cache_get_object('cache_bootstrap') instanceof DrupalDatabaseCache) {
// Every time a "system" change is detected by Drupal, system_list_reset() gets called, which clears the
// 'system_list' cache entry from the 'cache_bootstrap' cache bin. Right here we will check when the cache
// entry was last recreated and use that as the checksum.
$cacheRecreatedAt = $this->connection->query('SELECT created FROM {cache_bootstrap} WHERE cid = :cid', array(':cid' => 'system_list'))->fetchField();
if (ctype_digit((string) $cacheRecreatedAt)) {
// Only rely on this check if we actually get a valid numeric timestamp.
return md5($cacheRecreatedAt);
}
}
if ($this->connection->databaseType() === 'mysql') {
// https://dev.mysql.com/doc/refman/5.0/en/checksum-table.html
$checksum = $this->connection->query('CHECKSUM TABLE {system}')->fetchField(1);
// The columns returned are 'Table' (eg. schema.system) and 'Checksum' (numeric value, eg. 290814144), so
// fetch the second value.
if (ctype_digit((string) $checksum)) {
return md5($checksum);
}
}
return null;
}
/**
* ResourcePluginManager factory method.
*
* @param string $bin
* The cache bin for the plugin manager.
* @param RequestInterface $request
* The request object.
*
* @return ResourcePluginManager
* The created manager.
*/
public static function create($bin = 'cache', RequestInterface $request = NULL)
{
return new static(Module::getNamespaces(), _cache_get_object($bin), $request);
}
