modules/poormanscron/poormanscron.module

<?php
// $Id: poormanscron.module,v 1.21.2.2 2009/05/06 05:07:08 robloach Exp $ $Name:  $

/**
 * @file
 * A module which runs Drupal cron jobs without the cron application.
 */

/**
 * Implementation of hook_help().
 */
function poormanscron_help($path, $arg) {
  switch ($path) {
    case 'admin/help#poormanscron':
      return '<p>'. t('The Poormanscron module runs cron jobs without the need of the cron application.') .'</p>';
    case 'admin/settings/poormanscron':
      return '<p>'. t('The settings provided here allow you to administer Poormancron.') .'</p>';
  }
}

/**
 * Implementation of hook_exit().
 *
 * Checks if poormanscron needs to be run. If this is the case, it invokes
 * the cron hooks of all enabled modules, which are executed after
 * all HTML is returned to the browser. So the user who kicks off the cron
 * jobs should not notice any delay.
 */
function poormanscron_exit() {

  // Calculate when the next poormanscron run is due.
  $lastrun = variable_get('poormanscron_lastrun', 0);
  $nextrun = $lastrun + 60 * variable_get('poormanscron_interval', 60);

  // If the configured time has passed, start the next poormanscron run.
  if (time() > $nextrun) {

    // If this cron run fails to complete, wait a few minutes before retrying.
    variable_set('poormanscron_lastrun',
       $lastrun + 60 * variable_get('poormanscron_retry_interval', 10));

    // Get the current Drupal messages. Use drupal_set_message() so that
    // the messages aren't deleted in case the cron run fails and
    // we don't get a chance to restore them below.
    $saved_messages = drupal_set_message();

    // Invoke the cron hooks of all enabled modules.
    if (drupal_cron_run()) {
      $message = 'Cron run completed (via poormanscron).';
    }
    else {
      $message = 'Cron run unsuccessful (via poormanscron).';
    }

    // Write a message to the logs if the user wants us to do so.
    if (variable_get('poormanscron_log_cron_runs', 1) == 1) {
      watchdog('cron', $message);
    }

    $t = time();

    // Update the time of the last poormanscron run (this one).
    variable_set('poormanscron_lastrun', $t);

    // Delete any messages added during the cron run (and existing prior
    // messages).
    drupal_get_messages();

    // Restore any prior messages.
    if (isset($saved_messages)) {
      foreach ($saved_messages as $type => $types_messages) {
        foreach ($types_messages as $message) {
          drupal_set_message($message, $type);
        }
      }
    }
  }
}

/**
 * Implmentation of hook_menu().
 */
function poormanscron_menu() {
  $items = array();
  $items['admin/settings/poormanscron'] = array(
    'title' => 'Poormanscron',
    'description' => 'A module which runs Drupal cron jobs without the cron application.',
    'page callback' => 'drupal_get_form',
    'page arguments' => array('poormanscron_admin_settings'),
    'access arguments' => array('administer site configuration'),
    'file' => 'poormanscron.admin.inc',
  );
  return $items;
}
1	<?php
2	// $Id: poormanscron.module,v 1.21.2.2 2009/05/06 05:07:08 robloach Exp $ $Name: $
3
4	/**
5	* @file
6	* A module which runs Drupal cron jobs without the cron application.
7	*/
8
9	/**
10	* Implementation of hook_help().
11	*/
12	function poormanscron_help($path, $arg) {
13	switch ($path) {
14	case 'admin/help#poormanscron':
15	return '<p>'. t('The Poormanscron module runs cron jobs without the need of the cron application.') .'</p>';
16	case 'admin/settings/poormanscron':
17	return '<p>'. t('The settings provided here allow you to administer Poormancron.') .'</p>';
18	}
19	}
20
21	/**
22	* Implementation of hook_exit().
23	*
24	* Checks if poormanscron needs to be run. If this is the case, it invokes
25	* the cron hooks of all enabled modules, which are executed after
26	* all HTML is returned to the browser. So the user who kicks off the cron
27	* jobs should not notice any delay.
28	*/
29	function poormanscron_exit() {
30
31	// Calculate when the next poormanscron run is due.
32	$lastrun = variable_get('poormanscron_lastrun', 0);
33	$nextrun = $lastrun + 60 * variable_get('poormanscron_interval', 60);
34
35	// If the configured time has passed, start the next poormanscron run.
36	if (time() > $nextrun) {
37
38	// If this cron run fails to complete, wait a few minutes before retrying.
39	variable_set('poormanscron_lastrun',
40	$lastrun + 60 * variable_get('poormanscron_retry_interval', 10));
41
42	// Get the current Drupal messages. Use drupal_set_message() so that
43	// the messages aren't deleted in case the cron run fails and
44	// we don't get a chance to restore them below.
45	$saved_messages = drupal_set_message();
46
47	// Invoke the cron hooks of all enabled modules.
48	if (drupal_cron_run()) {
49	$message = 'Cron run completed (via poormanscron).';
50	}
51	else {
52	$message = 'Cron run unsuccessful (via poormanscron).';
53	}
54
55	// Write a message to the logs if the user wants us to do so.
56	if (variable_get('poormanscron_log_cron_runs', 1) == 1) {
57	watchdog('cron', $message);
58	}
59
60	$t = time();
61
62	// Update the time of the last poormanscron run (this one).
63	variable_set('poormanscron_lastrun', $t);
64
65	// Delete any messages added during the cron run (and existing prior
66	// messages).
67	drupal_get_messages();
68
69	// Restore any prior messages.
70	if (isset($saved_messages)) {
71	foreach ($saved_messages as $type => $types_messages) {
72	foreach ($types_messages as $message) {
73	drupal_set_message($message, $type);
74	}
75	}
76	}
77	}
78	}
79
80	/**
81	* Implmentation of hook_menu().
82	*/
83	function poormanscron_menu() {
84	$items = array();
85	$items['admin/settings/poormanscron'] = array(
86	'title' => 'Poormanscron',
87	'description' => 'A module which runs Drupal cron jobs without the cron application.',
88	'page callback' => 'drupal_get_form',
89	'page arguments' => array('poormanscron_admin_settings'),
90	'access arguments' => array('administer site configuration'),
91	'file' => 'poormanscron.admin.inc',
92	);
93	return $items;
94	}