class SensorDblog404 in Monitoring 7

Monitors 404 page errors from dblog.

Displays URL with highest occurrence as message.

Hierarchy

• class \Drupal\monitoring\Sensor\Sensor implements SensorInterface
  • class \Drupal\monitoring\Sensor\SensorConfigurable implements SensorConfigurableInterface
    • class \Drupal\monitoring\Sensor\SensorThresholds implements SensorThresholdsInterface
      • class \Drupal\monitoring\Sensor\Sensors\SensorDatabaseAggregator implements SensorExtendedInfoInterface
        • class \Drupal\monitoring\Sensor\Sensors\SensorDblog404

File

lib/Drupal/monitoring/Sensor/Sensors/SensorDblog404.php, line 16

Contains \Drupal\monitoring\Sensor\Sensors\SensorDblog404.

Namespace

Drupal\monitoring\Sensor\Sensors

class SensorDblog404 extends SensorDatabaseAggregator {

  /**
   * {@inheritdoc}
   */
  public function buildQuery() {
    $query = parent::buildQuery();
    $query
      ->addField('watchdog', 'message');

    // The message is the requested 404 URL.
    $query
      ->groupBy('message');
    $query
      ->orderBy('records_count', 'DESC');
    $query
      ->range(0, 1);
    return $query;
  }

  /**
   * {@inheritdoc}
   */
  public function runSensor(SensorResultInterface $result) {
    parent::runSensor($result);
    $query_result = $this
      ->fetchObject();
    if (!empty($query_result) && !empty($query_result->message)) {
      $result
        ->addStatusMessage($query_result->message);
    }
  }

}

Members

Name	Modifiers	Type	Description	Overrides
Sensor::$info	protected	property	Current sensor info object.
Sensor::getSensorName	public	function	Gets sensor name (not the label). Overrides SensorInterface::getSensorName
Sensor::isEnabled	public	function	Determines if sensor is enabled. Overrides SensorInterface::isEnabled
Sensor::__construct		function	Instantiates a sensor object.	1
SensorDatabaseAggregator::$fetchedObject	protected	property	The fetched object from the query result.
SensorDatabaseAggregator::$queryArguments	protected	property	The arguments of the executed query.
SensorDatabaseAggregator::$queryResult	protected	property	The result of the db query execution.
SensorDatabaseAggregator::buildQueryAggregate	protected	function	Adds aggregate expressions to the query.
SensorDatabaseAggregator::fetchObject	public	function	Get fetched object from the executed query.
SensorDatabaseAggregator::getEntityTypeFromTable	protected	function	Returns the entity type for a given base table.
SensorDatabaseAggregator::getFieldName	protected	function	Returns the field name to use for a condition and ensures necessary joins.
SensorDatabaseAggregator::getQueryArguments	protected	function	Returns query arguments of the last executed query.
SensorDatabaseAggregator::getQueryResult	protected	function	Executes the query and returns the result.
SensorDatabaseAggregator::getTimeIntervalOptions	protected	function	Returns time interval options.
SensorDatabaseAggregator::joinFieldTable	protected	function	Joins the field data table for a given field.
SensorDatabaseAggregator::resultVerbose	public	function	Provide additional info about sensor call. Overrides SensorExtendedInfoInterface::resultVerbose	1
SensorDatabaseAggregator::settingsForm	public	function	Gets settings form for a specific sensor. Overrides SensorThresholds::settingsForm	1
SensorDblog404::buildQuery	public	function	Builds the database query. Overrides SensorDatabaseAggregator::buildQuery
SensorDblog404::runSensor	public	function	Runs the sensor, updating $sensor_result. Overrides SensorDatabaseAggregator::runSensor
SensorThresholds::setFormError	protected	function	Sets a form error for the given threshold key.
SensorThresholds::settingsFormValidate	public	function	Form validator for a sensor settings form. Overrides SensorConfigurable::settingsFormValidate