--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/modules/dblog/dblog.module	Tue Dec 23 14:28:28 2008 +0100
@@ -0,0 +1,159 @@
+<?php
+// $Id: dblog.module,v 1.21 2008/01/08 10:35:41 goba Exp $
+
+/**
+ * @file
+ * System monitoring and logging for administrators.
+ *
+ * The dblog module monitors your site and keeps a list of
+ * recorded events containing usage and performance data, errors,
+ * warnings, and similar operational information.
+ *
+ * @see watchdog()
+ */
+
+/**
+ * Implementation of hook_help().
+ */
+function dblog_help($path, $arg) {
+  switch ($path) {
+    case 'admin/help#dblog':
+      $output = '<p>'. t('The dblog module monitors your system, capturing system events in a log to be reviewed by an authorized individual at a later time. This is useful for site administrators who want a quick overview of activities on their site. The logs also record the sequence of events, so it can be useful for debugging site errors.') .'</p>';
+      $output .= '<p>'. t('The dblog log is simply a list of recorded events containing usage data, performance data, errors, warnings and operational information. Administrators should check the dblog report on a regular basis to ensure their site is working properly.') .'</p>';
+      $output .= '<p>'. t('For more information, see the online handbook entry for <a href="@dblog">Dblog module</a>.', array('@dblog' => 'http://drupal.org/handbook/modules/dblog/')) .'</p>';
+      return $output;
+    case 'admin/reports/dblog':
+      return '<p>'. t('The dblog module monitors your website, capturing system events in a log to be reviewed by an authorized individual at a later time. The dblog log is simply a list of recorded events containing usage data, performance data, errors, warnings and operational information. It is vital to check the dblog report on a regular basis as it is often the only way to tell what is going on.') .'</p>';
+  }
+}
+
+/**
+ * Implementation of hook_theme()
+ */
+function dblog_theme() {
+  return array(
+    'dblog_filters' => array(
+      'arguments' => array('form' => NULL),
+    ),
+  );
+}
+
+/**
+ * Implementation of hook_menu().
+ */
+function dblog_menu() {
+  $items['admin/settings/logging/dblog'] = array(
+    'title' => 'Database logging',
+    'description' => 'Settings for logging to the Drupal database logs. This is the most common method for small to medium sites on shared hosting. The logs are viewable from the admin pages.',
+    'page callback' => 'drupal_get_form',
+    'page arguments' => array('dblog_admin_settings'),
+    'file' => 'dblog.admin.inc',
+  );
+
+  $items['admin/reports/dblog'] = array(
+    'title' => 'Recent log entries',
+    'description' => 'View events that have recently been logged.',
+    'page callback' => 'dblog_overview',
+    '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'),
+    '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'),
+    'file' => 'dblog.admin.inc',
+  );
+  $items['admin/reports/event/%'] = array(
+    'title' => 'Details',
+    'page callback' => 'dblog_event',
+    'page arguments' => array(3),
+    'type' => MENU_CALLBACK,
+    'file' => 'dblog.admin.inc',
+  );
+  return $items;
+}
+
+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', 'module', 'all', FALSE);
+  }
+}
+
+
+
+/**
+ * Implementation of hook_cron().
+ *
+ * Remove expired log messages and flood control events.
+ */
+function dblog_cron() {
+  // Cleanup the watchdog table
+  $max = db_result(db_query('SELECT MAX(wid) FROM {watchdog}'));
+  db_query('DELETE FROM {watchdog} WHERE wid < %d', $max - variable_get('dblog_row_limit', 1000));
+}
+
+/**
+ * Implementation of hook_user().
+ */
+function dblog_user($op, &$edit, &$user) {
+  if ($op == 'delete') {
+    db_query('UPDATE {watchdog} SET uid = 0 WHERE uid = %d', $user->uid);
+  }
+}
+
+function _dblog_get_message_types() {
+  $types = array();
+
+  $result = db_query('SELECT DISTINCT(type) FROM {watchdog} ORDER BY type');
+  while ($object = db_fetch_object($result)) {
+    $types[] = $object->type;
+  }
+
+  return $types;
+}
+
+function dblog_watchdog($log = array()) {
+  $current_db = db_set_active();
+  db_query("INSERT INTO {watchdog}
+    (uid, type, message, variables, severity, link, location, referer, hostname, timestamp)
+    VALUES
+    (%d, '%s', '%s', '%s', %d, '%s', '%s', '%s', '%s', %d)",
+    $log['user']->uid,
+    $log['type'],
+    $log['message'],
+    serialize($log['variables']),
+    $log['severity'],
+    $log['link'],
+    $log['request_uri'],
+    $log['referer'],
+    $log['ip'],
+    $log['timestamp']);
+
+  if ($current_db) {
+    db_set_active($current_db);
+  }
+}
+
+/**
+ * Theme dblog administration filter selector.
+ *
+ * @ingroup themeable
+ */
+function theme_dblog_filters($form) {
+  $output = '';
+  foreach (element_children($form['status']) as $key) {
+    $output .= drupal_render($form['status'][$key]);
+  }
+  $output .= '<div id="dblog-admin-buttons">'. drupal_render($form['buttons']) .'</div>';
+  return $output;
+}
+