' . t('The Database logging module logs system events in the Drupal database. For more information, see the online handbook entry for the Database logging module.', array('@dblog' => 'http://drupal.org/documentation/modules/dblog')) . '
'; $output .= '' . t('The Database logging module monitors your website, capturing system events in a log (shown here) to be reviewed by an authorized individual at a later time. This log is a list of recorded events containing usage data, performance data, errors, warnings and operational information. It is vital to check the Recent log messages report on a regular basis, as it is often the only way to tell what is going on.') . '
'; } } /** * Implements hook_menu(). */ function dblog_menu() { $items['admin/reports/dblog'] = array( 'title' => 'Recent log messages', 'description' => 'View events that have recently been logged.', 'page callback' => 'dblog_overview', 'access arguments' => array('access site reports'), 'weight' => -1, 'file' => 'dblog.admin.inc', ); $items['admin/reports/page-not-found'] = array( 'title' => "Top 'page not found' errors", 'description' => "View 'page not found' errors (404s).", 'page callback' => 'dblog_top', 'page arguments' => array('page not found'), 'access arguments' => array('access site reports'), 'file' => 'dblog.admin.inc', ); $items['admin/reports/access-denied'] = array( 'title' => "Top 'access denied' errors", 'description' => "View 'access denied' errors (403s).", 'page callback' => 'dblog_top', 'page arguments' => array('access denied'), 'access arguments' => array('access site reports'), 'file' => 'dblog.admin.inc', ); $items['admin/reports/event/%'] = array( 'title' => 'Details', 'page callback' => 'dblog_event', 'page arguments' => array(3), 'access arguments' => array('access site reports'), 'file' => 'dblog.admin.inc', ); if (module_exists('search')) { $items['admin/reports/search'] = array( 'title' => 'Top search phrases', 'description' => 'View most popular search phrases.', 'page callback' => 'dblog_top', 'page arguments' => array('search'), 'access arguments' => array('access site reports'), 'file' => 'dblog.admin.inc', ); } return $items; } /** * Implements hook_init(). */ function dblog_init() { if (arg(0) == 'admin' && arg(1) == 'reports') { // Add the CSS for this module drupal_add_css(drupal_get_path('module', 'dblog') . '/dblog.css'); } } /** * Implements hook_cron(). * * Remove expired log messages. */ function dblog_cron() { // Cleanup the watchdog table. $row_limit = variable_get('dblog_row_limit', 1000); // For row limit n, get the wid of the nth row in descending wid order. // Counting the most recent n rows avoids issues with wid number sequences, // e.g. auto_increment value > 1 or rows deleted directly from the table. if ($row_limit > 0) { $min_row = db_select('watchdog', 'w') ->fields('w', array('wid')) ->orderBy('wid', 'DESC') ->range($row_limit - 1, 1) ->execute()->fetchField(); // Delete all table entries older than the nth row, if nth row was found. if ($min_row) { db_delete('watchdog') ->condition('wid', $min_row, '<') ->execute(); } } } function _dblog_get_message_types() { $types = array(); $result = db_query('SELECT DISTINCT(type) FROM {watchdog} ORDER BY type'); foreach ($result as $object) { $types[] = $object->type; } return $types; } /** * Implements hook_watchdog(). * * Note some values may be truncated for database column size restrictions. */ function dblog_watchdog(array $log_entry) { Database::getConnection('default', 'default')->insert('watchdog') ->fields(array( 'uid' => $log_entry['uid'], 'type' => substr($log_entry['type'], 0, 64), 'message' => $log_entry['message'], 'variables' => serialize($log_entry['variables']), 'severity' => $log_entry['severity'], 'link' => substr($log_entry['link'], 0, 255), 'location' => $log_entry['request_uri'], 'referer' => $log_entry['referer'], 'hostname' => substr($log_entry['ip'], 0, 128), 'timestamp' => $log_entry['timestamp'], )) ->execute(); } /** * Implements hook_form_FORM_ID_alter(). */ function dblog_form_system_logging_settings_alter(&$form, $form_state) { $form['dblog_row_limit'] = array( '#type' => 'select', '#title' => t('Database log messages to keep'), '#default_value' => variable_get('dblog_row_limit', 1000), '#options' => array(0 => t('All')) + drupal_map_assoc(array(100, 1000, 10000, 100000, 1000000)), '#description' => t('The maximum number of messages to keep in the database log. Requires a cron maintenance task.', array('@cron' => url('admin/reports/status'))) ); $form['actions']['#weight'] = 1; } /** * Implements hook_theme(). */ function dblog_theme() { return array( 'dblog_message' => array( 'variables' => array('event' => NULL, 'link' => FALSE), 'file' => 'dblog.admin.inc', ), ); }