actions_loop_test.module

<?php


/**
 * Implements hook_trigger_info().
 */
function actions_loop_test_trigger_info() {
    return array(
        'actions_loop_test' => array(
            'watchdog' => array(
                'label' => t('When a message is logged'),
            ),
        ),
    );
}

/**
 * Implements hook_watchdog().
 */
function actions_loop_test_watchdog(array $log_entry) {
    // If the triggering actions are not explicitly enabled, abort.
    if (empty($_GET['trigger_actions_on_watchdog'])) {
        return;
    }
    // Get all the action ids assigned to the trigger on the watchdog hook's
    // "run" event.
    $aids = trigger_get_assigned_actions('watchdog');
    // We can pass in any applicable information in $context. There isn't much in
    // this case, but we'll pass in the hook name as the bare minimum.
    $context = array(
        'hook' => 'watchdog',
    );
    // Fire the actions on the associated object ($log_entry) and the context
    // variable.
    actions_do(array_keys($aids), $log_entry, $context);
}

/**
 * Implements hook_init().
 */
function actions_loop_test_init() {
    if (!empty($_GET['trigger_actions_on_watchdog'])) {
        watchdog_skip_semaphore('actions_loop_test', 'Triggering action loop');
    }
}

/**
 * Implements hook_action_info().
 */
function actions_loop_test_action_info() {
    return array(
        'actions_loop_test_log' => array(
            'label' => t('Write a message to the log.'),
            'type' => 'system',
            'configurable' => FALSE,
            'triggers' => array(
                'any',
            ),
        ),
    );
}

/**
 * Write a message to the log.
 */
function actions_loop_test_log() {
    $count =& drupal_static(__FUNCTION__, 0);
    $count++;
    watchdog_skip_semaphore('actions_loop_test', "Test log #{$count}");
}

/**
 * Replacement of the watchdog() function that eliminates the use of semaphores
 * so that we can test the abortion of an action loop.
 */
function watchdog_skip_semaphore($type, $message, $variables = array(), $severity = WATCHDOG_NOTICE, $link = NULL) {
    global $user, $base_root;
    // Prepare the fields to be logged
    $log_entry = array(
        'type' => $type,
        'message' => $message,
        'variables' => $variables,
        'severity' => $severity,
        'link' => $link,
        'user' => $user,
        'uid' => isset($user->uid) ? $user->uid : 0,
        'request_uri' => $base_root . request_uri(),
        'referer' => $_SERVER['HTTP_REFERER'],
        'ip' => ip_address(),
        'timestamp' => REQUEST_TIME,
    );
    // Call the logging hooks to log/process the message
    foreach (module_implements('watchdog') as $module) {
        module_invoke($module, 'watchdog', $log_entry);
    }
}