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<?php |
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declare(strict_types = 1); |
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namespace Drupal\mongodb_watchdog\Install; |
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use Drupal\Core\Config\ConfigFactoryInterface; |
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use Drupal\mongodb\DatabaseFactory; |
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use Drupal\mongodb_watchdog\Logger; |
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/** |
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* Class SanityCheck. |
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* |
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* @see \Drupal\mongodb_watchdog\Command\SanityCheckCommand |
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* @see \Drupal\mongodb_watchdog\Commands\MongoDbWatchdogCommands::sanityCheck() |
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*/ |
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class SanityCheck { |
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/** |
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* The per-collection-size statistics buckets. |
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* |
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* @var array |
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*/ |
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protected $buckets; |
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/** |
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* The module configuration. |
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* |
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* @var \Drupal\Core\Config\ImmutableConfig |
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*/ |
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protected $config; |
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/** |
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* The mongodb.database_factory service. |
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* |
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* @var \Drupal\mongodb\DatabaseFactory |
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*/ |
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protected $dbFactory; |
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/** |
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* The bucket size values. |
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* |
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* @var array |
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*/ |
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protected $items; |
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/** |
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* SanityCheck constructor. |
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* |
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* @param \Drupal\mongodb\DatabaseFactory $dbFactory |
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* The mongodb.database_factory service. |
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* @param \Drupal\Core\Config\ConfigFactoryInterface $configFactory |
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* The config.factory service. |
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*/ |
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public function __construct( |
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DatabaseFactory $dbFactory, |
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ConfigFactoryInterface $configFactory |
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) { |
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$this->dbFactory = $dbFactory; |
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$this->config = $configFactory->get(Logger::CONFIG_NAME); |
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$this->items = $this->config->get(Logger::CONFIG_ITEMS); |
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} |
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/** |
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* Build a list of the number of entries per collection in the default DB. |
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*/ |
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public function buildCollectionstats(): array { |
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/** @var \Drupal\mongodb\DatabaseFactory $databaseFactory */ |
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$database = $this->dbFactory->get(Logger::DB_LOGGER); |
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$this->initBucketsList(); |
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$collections = $database->listCollections(); |
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foreach ($collections as $collectionInfo) { |
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$name = $collectionInfo->getName(); |
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$collection = $database->selectCollection($name); |
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$count = $collection->count(); |
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if (preg_match('/' . Logger::EVENT_COLLECTIONS_PATTERN . '/', $name)) { |
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$this->store($count); |
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} |
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} |
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return $this->buckets; |
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} |
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/** |
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* Prepare a table of bucket to hold the statistics. |
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*/ |
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protected function initBucketsList(): void { |
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$barCount = 10; |
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$barWidth = $this->items / $barCount; |
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$buckets = [ |
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0 => 0, |
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1 => 0, |
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$this->items - 1 => 0, |
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$this->items => 0, |
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]; |
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// Values 0, 1 and the value of $items are reserved. |
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for ($i = 1; $i < $barCount; $i++) { |
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$buckets[$i * $barWidth] = 0; |
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} |
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ksort($buckets); |
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$this->buckets = $buckets; |
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} |
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/** |
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* Store a collection document count in its statistics bucket. |
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* |
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* @param int $value |
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* The value to store. |
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*/ |
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protected function store(int $value): void { |
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if ($value <= 1 || $value >= $this->items - 1) { |
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$this->buckets[$value]++; |
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return; |
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} |
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$keys = array_slice(array_keys($this->buckets), 1, -1); |
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foreach ($keys as $key) { |
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if ($value < $key) { |
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$this->buckets[$key]++; |
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return; |
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} |
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} |
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} |
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} |
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FGM /
mongodb
