class Dblog404SensorPlugin in Monitoring 8

Monitors 404 page errors from dblog.

@SensorPlugin( id = "dblog_404", provider = "dblog", label = @Translation("404 page errors (database log)"), description = @Translation("Monitors 404 page errors from database log."), addable = FALSE )

Displays URL with highest occurrence as message.

Hierarchy

class \Drupal\monitoring\SensorPlugin\SensorPluginBase implements SensorPluginInterface uses MessengerTrait, StringTranslationTrait
- class \Drupal\monitoring\SensorPlugin\DatabaseAggregatorSensorPluginBase
  - class \Drupal\monitoring\Plugin\monitoring\SensorPlugin\DatabaseAggregatorSensorPlugin implements ExtendedInfoSensorPluginInterface uses DependencyTrait
    class \Drupal\monitoring\Plugin\monitoring\SensorPlugin\WatchdogAggregatorSensorPlugin implements ExtendedInfoSensorPluginInterface
    class \Drupal\monitoring\Plugin\monitoring\SensorPlugin\Dblog404SensorPlugin

Expanded class hierarchy of Dblog404SensorPlugin

File

src/Plugin/monitoring/SensorPlugin/Dblog404SensorPlugin.php, line 24: Contains \Drupal\monitoring\Plugin\monitoring\SensorPlugin\Dblog404SensorPlugin.

Namespace

Drupal\monitoring\Plugin\monitoring\SensorPlugin

View source

class Dblog404SensorPlugin extends WatchdogAggregatorSensorPlugin {

  /**
   * {@inheritdoc}
   */
  protected $configurableConditions = FALSE;

  /**
   * {@inheritdoc}
   */
  protected $configurableVerboseOutput = FALSE;

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

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

  /**
   * {@inheritdoc}
   */
  public function getQuery() {
    $query = parent::getQuery();
    $this
      ->addAggregateExpression($query);
    $query
      ->groupBy('location');

    // Get just the max timestamp, drop the rest.
    $fields =& $query
      ->getFields();
    unset($fields['timestamp']);
    $query
      ->addExpression('MAX(timestamp)', 'timestamp');

    // Drop the existing order, order by record count instead.
    $order =& $query
      ->getOrderBy();
    $order = [];
    $query
      ->orderBy('records_count', 'DESC');
    $query
      ->range(0, 20);
    return $query;
  }

  /**
   * {@inheritdoc}
   */
  protected function buildTableHeader($rows = []) {
    $header = parent::buildTableHeader($rows);
    if (isset($header['location'])) {

      // A static override of the labels.
      // OK because sensor does not support configurability / instances.
      $header['location'] = $this
        ->t('Path');
      $header['records_count'] = $this
        ->t('Count');
      $header['timestamp'] = $this
        ->t('Last access');
    }
    return $header;
  }

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

}

Members

Name	Modifiers	Type	Description	Overrides
DatabaseAggregatorSensorPlugin::$executedQuery	protected	property	The arguments of the executed query.
DatabaseAggregatorSensorPlugin::$fetchedObject	protected	property	The fetched object from the query result.
DatabaseAggregatorSensorPlugin::$queryArguments	protected	property	The arguments of the executed query.
DatabaseAggregatorSensorPlugin::$queryString	protected	property	The query string of the executed query.
DatabaseAggregatorSensorPlugin::addAggregateExpression	protected	function	Adds the aggregate expression to the select query.	2
DatabaseAggregatorSensorPlugin::addConditionSubmit	public	function	Add row to table when pressing 'Add another condition' and rebuild.
DatabaseAggregatorSensorPlugin::addFieldSubmit	public	function	Adds another field to the keys table when pressing 'Add another key'.
DatabaseAggregatorSensorPlugin::buildConfigurationForm	public	function	Adds UI for variables table, conditions and keys. Overrides DatabaseAggregatorSensorPluginBase::buildConfigurationForm	1
DatabaseAggregatorSensorPlugin::buildTableRows	protected	function	Builds the rows of a table.	1
DatabaseAggregatorSensorPlugin::calculateDependencies	public	function	Calculates dependencies for the configured plugin. Overrides SensorPluginBase::calculateDependencies
DatabaseAggregatorSensorPlugin::conditionsReplace	public	function	Returns the updated 'conditions' fieldset for replacement by ajax.
DatabaseAggregatorSensorPlugin::fieldsReplace	public	function	Returns the updated 'output_table' fieldset for replacement by ajax.
DatabaseAggregatorSensorPlugin::getConditionsOperators	protected	function	Provides list of operators for conditions.
DatabaseAggregatorSensorPlugin::getHistoryQuery	protected	function	Builds history query over one db table.
DatabaseAggregatorSensorPlugin::getOldestEntry	protected	function	Get the timestamp of the oldest entry that fits owr conditions.
DatabaseAggregatorSensorPlugin::resultVerbose	public	function	Provide additional info about sensor call. Overrides ExtendedInfoSensorPluginInterface::resultVerbose	3
DatabaseAggregatorSensorPlugin::submitConfigurationForm	public	function	Form submission handler. Overrides DatabaseAggregatorSensorPluginBase::submitConfigurationForm
DatabaseAggregatorSensorPlugin::translateCondition	protected	function	Translates the string operators to SQL equivalents.
DatabaseAggregatorSensorPlugin::validateConfigurationForm	public	function	Form validation handler. Overrides SensorPluginBase::validateConfigurationForm
DatabaseAggregatorSensorPluginBase::$configurableValueType	protected	property	Allows plugins to control if the value type can be configured. Overrides SensorPluginBase::$configurableValueType
DatabaseAggregatorSensorPluginBase::getConditions	protected	function	Gets conditions to be used in the select query.
DatabaseAggregatorSensorPluginBase::getTimeIntervalField	protected	function	Gets the time field.
DatabaseAggregatorSensorPluginBase::getTimeIntervalOptions	protected	function	Returns time interval options.
DatabaseAggregatorSensorPluginBase::getTimeIntervalValue	protected	function	Gets the time interval value.
Dblog404SensorPlugin::$configurableConditions	protected	property	Allows plugins to control if the conditions table should be shown. Overrides DatabaseAggregatorSensorPlugin::$configurableConditions
Dblog404SensorPlugin::$configurableVerboseOutput	protected	property	Allows plugins to control if the verbose output table should be shown. Overrides DatabaseAggregatorSensorPlugin::$configurableVerboseOutput
Dblog404SensorPlugin::buildTableHeader	protected	function	Builds the header for a table based on rows. Overrides DatabaseAggregatorSensorPlugin::buildTableHeader
Dblog404SensorPlugin::getAggregateQuery	public	function	Builds simple aggregate query over one db table. Overrides DatabaseAggregatorSensorPlugin::getAggregateQuery
Dblog404SensorPlugin::getQuery	public	function	Builds the query for verbose output. Overrides DatabaseAggregatorSensorPlugin::getQuery
Dblog404SensorPlugin::runSensor	public	function	Runs the sensor, updating $sensor_result. Overrides DatabaseAggregatorSensorPlugin::runSensor
DependencyTrait::$dependencies	protected	property	The object's dependencies.
DependencyTrait::addDependencies	protected	function	Adds multiple dependencies.
DependencyTrait::addDependency	protected	function	Adds a dependency.
MessengerTrait::$messenger	protected	property	The messenger.	29
MessengerTrait::messenger	public	function	Gets the messenger.	29
MessengerTrait::setMessenger	public	function	Sets the messenger.
SensorPluginBase::$pluginDefinition	protected	property	The plugin implementation definition.
SensorPluginBase::$pluginId	protected	property	The plugin_id.
SensorPluginBase::$sensorConfig	protected	property	Current sensor config object.
SensorPluginBase::$services	protected	property
SensorPluginBase::addService	public	function	Service setter. Overrides SensorPluginInterface::addService
SensorPluginBase::create	public static	function	Creates an instance of the sensor with config. Overrides SensorPluginInterface::create	7
SensorPluginBase::getConfigurableValueType	public	function	Configurable value type. Overrides SensorPluginInterface::getConfigurableValueType
SensorPluginBase::getPluginDefinition	public	function	Gets the definition of the plugin implementation. Overrides PluginInspectionInterface::getPluginDefinition
SensorPluginBase::getPluginId	public	function	Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface::getPluginId
SensorPluginBase::getSensorId	public	function	Gets sensor name (not the label). Overrides SensorPluginInterface::getSensorId
SensorPluginBase::getService	public	function	@todo: Replace with injection Overrides SensorPluginInterface::getService
SensorPluginBase::isEnabled	public	function	Determines if sensor is enabled. Overrides SensorPluginInterface::isEnabled
SensorPluginBase::__construct		function	Instantiates a sensor object.	8
StringTranslationTrait::$stringTranslation	protected	property	The string translation service.	1
StringTranslationTrait::formatPlural	protected	function	Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals	protected	function	Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation	protected	function	Gets the string translation service.
StringTranslationTrait::setStringTranslation	public	function	Sets the string translation service to use.	2
StringTranslationTrait::t	protected	function	Translates a string to the current language or to a given language.
WatchdogAggregatorSensorPlugin::$configurableTable	protected	property	Allows plugins to control if the table can be configured. Overrides DatabaseAggregatorSensorPlugin::$configurableTable
WatchdogAggregatorSensorPlugin::$configurableTimestampField	protected	property	Allows plugins to control if a timestamp field can be configured. Overrides DatabaseAggregatorSensorPluginBase::$configurableTimestampField
WatchdogAggregatorSensorPlugin::getDefaultConfiguration	public	function	Default configuration for a sensor. Overrides DatabaseAggregatorSensorPlugin::getDefaultConfiguration
WatchdogAggregatorSensorPlugin::verboseResultHistory	public	function	Adds history verbose output to the render array $output. Overrides DatabaseAggregatorSensorPlugin::verboseResultHistory
WatchdogAggregatorSensorPlugin::verboseResultUnaggregated	public	function	Adds unaggregated verbose output to the render array $output. Overrides DatabaseAggregatorSensorPlugin::verboseResultUnaggregated	2

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class Dblog404SensorPlugin in Monitoring 8

Hierarchy

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