| 1 |
<?php
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// $Id$
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| 3 |
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/**
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* Create daemon instances of a drupal site.
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*
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* Coded by: Aymerick Jehanne <aymerick@newlc.com>
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* Sponsored by NewLC: http://www.newlc.com
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*/
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// Constants
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define('DAEMON_DRUSH_CMD_RUN', 'daemon');
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define('DAEMON_HTTP_ECHO_PORT', 41000);
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define('DAEMON_HTTP_MENU_PORT', 41001);
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/******************************************************************************
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* Drupal Hooks
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******************************************************************************/
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/**
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* Implementation of hook_menu().
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*/
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function daemon_menu($may_cache) {
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$items = array();
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if (!$may_cache) {
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// only include admin file if we are viewing an admin page
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if ((arg(0) == 'admin') && (arg(1) == 'build') && (arg(2) == 'daemon')) {
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require_once('./'. drupal_get_path('module', 'daemon') .'/daemon.admin.inc');
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}
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}
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if ($may_cache) {
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// admin
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$items[] = array(
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'path' => 'admin/build/daemon',
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'title' => t('Daemons'),
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'callback' => 'daemon_admin_page',
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'access' => user_access('administer daemons'),
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'description' => t('Create and configure daemons.'),
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'type' => MENU_NORMAL_ITEM);
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$items[] = array(
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'path' => 'admin/build/daemon/list',
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'title' => t('Daemons'),
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'access' => user_access('administer daemons'),
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'type' => MENU_DEFAULT_LOCAL_TASK,
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'weight' => -10);
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$items[] = array(
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'path' => 'admin/build/daemon/add',
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'title' => t('Add daemon'),
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'callback' => 'daemon_admin_add_page',
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'access' => user_access('administer daemons'),
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'type' => MENU_LOCAL_TASK);
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$items[] = array(
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'path' => 'admin/build/daemon/timers',
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'title' => t('Timers'),
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'callback' => 'daemon_admin_all_timers_page',
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'access' => user_access('administer daemons'),
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'type' => MENU_LOCAL_TASK);
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}
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else {
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if (user_access('administer daemons') && (arg(0) == 'admin') && (arg(1) == 'build') && (arg(2) == 'daemon')) {
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if ((arg(3) == 'del_timer') && arg(4) && ($timer = _daemon_load_timer(arg(4)))) {
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$items[] = array(
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'path' => 'admin/build/daemon/del_timer/'. arg(4),
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'title' => t('Delete timer'),
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'callback' => 'drupal_get_form',
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'callback arguments' => array('daemon_admin_timer_delete_confirm', $timer),
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'access' => user_access('administer daemons'),
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'type' => MENU_CALLBACK);
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}
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else if (($daemon = _daemon_load_daemon(arg(3))) !== false) {
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$items[] = array(
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'path' => 'admin/build/daemon/'. arg(3),
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'title' => $daemon->name,
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'callback' => 'daemon_admin_edit_page',
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'callback arguments' => array($daemon),
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'access' => user_access('administer daemons'));
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$items[] = array(
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'path' => 'admin/build/daemon/'. arg(3) .'/edit',
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'title' => t('Edit'),
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'access' => user_access('administer daemons'),
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'type' => MENU_DEFAULT_LOCAL_TASK,
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'weight' => -10);
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$items[] = array(
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'path' => 'admin/build/daemon/'. arg(3) .'/timers',
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'title' => t('Manage timers'),
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'callback' => 'daemon_admin_timers_page',
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'callback arguments' => array($daemon),
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'access' => user_access('administer daemons'),
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'type' => MENU_LOCAL_TASK,
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'weight' => -5);
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$items[] = array(
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'path' => 'admin/build/daemon/'. arg(3) .'/add_timer',
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'title' => t('Add timer'),
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'callback' => 'daemon_admin_add_timer_page',
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'callback arguments' => array($daemon),
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'access' => user_access('administer daemons'),
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'type' => MENU_LOCAL_TASK,
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'weight' => 0);
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$items[] = array(
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'path' => 'admin/build/daemon/'. arg(3) .'/delete',
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'title' => t('Delete daemon'),
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'callback' => 'drupal_get_form',
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'callback arguments' => array('daemon_admin_delete_confirm', $daemon),
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'access' => user_access('administer daemons'),
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'type' => MENU_CALLBACK);
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if (arg(4) == 'timers' && arg(5) && ($timer = _daemon_get_timer($daemon, arg(5)))) {
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$items[] = array(
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'path' => 'admin/build/daemon/'. arg(3) .'/timers/'. arg(5),
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'title' => $timer['name'],
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'callback' => 'drupal_get_form',
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'callback arguments' => array('daemon_admin_edit_timer_page', $daemon, $timer),
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'access' => user_access('administer daemons'),
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'type' => MENU_CALLBACK,
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);
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$items[] = array(
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'path' => 'admin/build/daemon/'. arg(3) .'/timers/'. arg(5) .'/remove',
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'title' => t('Remove timer'),
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'callback' => 'drupal_get_form',
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'callback arguments' => array('daemon_admin_timer_remove_confirm', $daemon, $timer),
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'access' => user_access('administer daemons'),
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'type' => MENU_CALLBACK,
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);
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}
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}
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}
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}
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return $items;
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}
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/**
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* Implementation of hook_help().
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*/
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function daemon_help($section = '') {
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switch ($section) {
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case 'drush:'. DAEMON_DRUSH_CMD_RUN:
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$output = '';
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$output .= t("Usage: drush [options] ". DAEMON_DRUSH_CMD_RUN ." <daemon name>\n\nStart the specified daemon. Available daemons:\n");
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$daemons = _daemon_get_all_daemons();
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foreach ($daemons as $daemon) {
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$output .= " ". $daemon->name ." : ". $daemon->description ."\n";
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}
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$output .= "\n";
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return $output;
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}
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return $output;
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}
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/**
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* Implementation of hook_perm().
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*/
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function daemon_perm() {
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return array('administer daemons');
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}
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/******************************************************************************
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* Daemon hooks
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******************************************************************************/
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/**
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* Implementation of hook_daemon_listeners().
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*/
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function daemon_daemon_listeners() {
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return array(
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'http_echo' => array(
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'name' => 'HTTP Echo',
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'description' => t('A stupid HTTP server that only display requested URL.'),
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'handler' => 'Daemon_HTTP_Echo_Connection_Handler',
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'files' => array('handlers/http.echo.connection.handler.inc'),
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),
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'http_menu' => array(
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'name' => 'HTTP Menu',
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'description' => t('A HTTP that fires the drupal menu system.'),
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'handler' => 'Daemon_HTTP_Menu_Connection_Handler',
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'files' => array('handlers/http.menu.connection.handler.inc'),
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),
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);
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}
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/**
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* Implementation of hook_daemon_default_daemons().
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*/
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function daemon_daemon_default_daemons() {
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$daemons = array();
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// HTTP Echo
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$daemon = new stdClass();
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$daemon->name = 'http_echo';
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$daemon->description = t('Daemon with a stupid HTTP server on port '. DAEMON_HTTP_ECHO_PORT .' that echo requested URL');
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$daemon->listeners = array(
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array(
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'id' => 'http_echo',
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'type' => 'tcp',
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'port' => DAEMON_HTTP_ECHO_PORT,
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),
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);
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$daemons[$daemon->name] = $daemon;
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// HTTP Menu
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$daemon = new stdClass();
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$daemon->name = 'http_menu';
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$daemon->description = t('Daemon with a HTTP server on port '. DAEMON_HTTP_MENU_PORT .' that fires the drupal menu system and return the result (not "page" themed)');
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$daemon->listeners = array(
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array(
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'id' => 'http_menu',
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'type' => 'tcp',
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'port' => DAEMON_HTTP_MENU_PORT,
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),
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);
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$daemons[$daemon->name] = $daemon;
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return $daemons;
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}
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/**
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* Implementation of hook_daemon_timeout().
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*
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* @param $tid Timer id
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* @return If timer must be stopped, then return false
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*/
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function daemon_daemon_timeout($tid) {
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// load timer
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$timer = _daemon_load_timer($tid);
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// print message
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daemon_print(t('Timeout: !timer_name', array('!timer_name' => $timer['name'])));
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// execute custom PHP code
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if (!empty($timer['php'])) {
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$result = drupal_eval($timer['php']);
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if (!empty($result)) {
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// print output if any
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daemon_print($result);
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}
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}
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}
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/******************************************************************************
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| 257 |
* Drush hooks
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| 258 |
******************************************************************************/
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| 260 |
/**
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| 261 |
* Implementation of hook_drush_command().
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*/
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| 263 |
function daemon_drush_command() {
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$items[DAEMON_DRUSH_CMD_RUN] = array(
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| 265 |
'callback' => 'daemon_run',
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'description' => t('Start a daemon.'),
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);
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return $items;
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}
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/**
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* Start daemon
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| 273 |
*/
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function daemon_run($daemon_name) {
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// check nanoserv
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| 276 |
if (!file_exists('./'. drupal_get_path('module', 'daemon') .'/nanoserv/nanoserv.php')) {
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return t("Failed to start daemon\nYou forgot to install nanoserv library, please read carefully README.txt file in daemon module directory.\n");
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}
|
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// get daemon
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| 281 |
if (($daemon = daemon_get_daemon($daemon_name)) === false) {
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| 282 |
return t("Daemon not found\n");
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| 283 |
}
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| 285 |
// include nanoserv
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| 286 |
require_once './'. drupal_get_path('module', 'daemon') .'/nanoserv/nanoserv.php';
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| 287 |
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| 288 |
// setup listeners
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| 289 |
$listeners = array();
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| 290 |
foreach ($daemon->listeners as $listener) {
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// include additional files
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| 292 |
foreach ($listener['files'] as $file) {
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require_once './'. drupal_get_path('module', $listener['module']) .'/'. $file;
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}
|
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| 296 |
// activate listener
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| 297 |
$new_listener = Nanoserv::New_Listener($listener['type'] .'://0.0.0.0:'. $listener['port'], $listener['handler']);
|
| 298 |
|
| 299 |
$new_listener->Activate();
|
| 300 |
|
| 301 |
$listener_desc = $listener['type'] .':'. $listener['port'] .' ('. $listener['name'] .')';
|
| 302 |
|
| 303 |
daemon_print(t('Listener activated on !listener_desc', array('!listener_desc' => $listener_desc)));
|
| 304 |
|
| 305 |
$listeners[] = $new_listener;
|
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}
|
| 307 |
|
| 308 |
// setup timers
|
| 309 |
foreach ($daemon->timers as $timer) {
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| 310 |
// create daemon timer
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| 311 |
$daemon_timer = new DaemonTimer($timer['tid'], $timer['timeout']);
|
| 312 |
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| 313 |
// launch timer
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| 314 |
Nanoserv::New_Timer($timer['timeout'], array($daemon_timer, "fired"));
|
| 315 |
|
| 316 |
daemon_print(t('Timer !timer_name launched (!timeout seconds)', array('!timer_name' => $timer['name'], '!timeout' => $timer['timeout'])));
|
| 317 |
}
|
| 318 |
|
| 319 |
daemon_print(t('Entering main loop...'));
|
| 320 |
|
| 321 |
// enter main loop
|
| 322 |
Nanoserv::Run();
|
| 323 |
|
| 324 |
daemon_print(t('Daemon stopped.'));
|
| 325 |
|
| 326 |
// cleanup
|
| 327 |
foreach ($listeners as $listener) {
|
| 328 |
Free_Listener($listener);
|
| 329 |
}
|
| 330 |
}
|
| 331 |
|
| 332 |
|
| 333 |
/******************************************************************************
|
| 334 |
* Daemons management
|
| 335 |
******************************************************************************/
|
| 336 |
|
| 337 |
/**
|
| 338 |
* Get a daemon object
|
| 339 |
*
|
| 340 |
* @param $daemon_name Daemon name
|
| 341 |
* @return The daemon object, or false if not found
|
| 342 |
*/
|
| 343 |
function daemon_get_daemon($daemon_name) {
|
| 344 |
$result = false;
|
| 345 |
|
| 346 |
// load daemon from database
|
| 347 |
if (($result = _daemon_load_daemon($daemon_name)) === false) {
|
| 348 |
// not found in database, check in default daemons
|
| 349 |
$default_daemons = _daemon_get_default_daemons();
|
| 350 |
|
| 351 |
if (isset($default_daemons[$daemon_name])) {
|
| 352 |
$result = $default_daemons[$daemon_name];
|
| 353 |
}
|
| 354 |
}
|
| 355 |
|
| 356 |
return $result;
|
| 357 |
}
|
| 358 |
|
| 359 |
/**
|
| 360 |
* Build default daemon information from all modules
|
| 361 |
*/
|
| 362 |
function _daemon_get_default_daemons() {
|
| 363 |
static $daemons;
|
| 364 |
|
| 365 |
if (!isset($daemons)) {
|
| 366 |
// invoke hook_daemon_default_daemons()
|
| 367 |
$daemons = module_invoke_all('daemon_default_daemons');
|
| 368 |
foreach ($daemons as $name => $daemon) {
|
| 369 |
_daemon_fill_listeners($daemons[$name]);
|
| 370 |
$daemons[$name]->is_default = true;
|
| 371 |
}
|
| 372 |
}
|
| 373 |
|
| 374 |
return $daemons;
|
| 375 |
}
|
| 376 |
|
| 377 |
/**
|
| 378 |
* Get an empty daemon with basic defaults.
|
| 379 |
*/
|
| 380 |
function _daemon_get_empty_daemon() {
|
| 381 |
$daemon = new stdClass();
|
| 382 |
|
| 383 |
$daemon->did = 0;
|
| 384 |
$daemon->name = '';
|
| 385 |
$daemon->description = '';
|
| 386 |
$daemon->listeners = array();
|
| 387 |
|
| 388 |
return $daemon;
|
| 389 |
}
|
| 390 |
|
| 391 |
/**
|
| 392 |
* Save a daemon
|
| 393 |
*
|
| 394 |
* @param $daemon Daemon to save
|
| 395 |
* @return Daemon id
|
| 396 |
*/
|
| 397 |
function _daemon_save_daemon($daemon) {
|
| 398 |
if ($daemon->did) {
|
| 399 |
// update the daemon in the database
|
| 400 |
db_query("UPDATE {daemon_daemon} SET name = '%s', description = '%s' WHERE did = %d", $daemon->name, $daemon->description, $daemon->did);
|
| 401 |
db_query("DELETE from {daemon_listener} WHERE did = %d", $daemon->did);
|
| 402 |
}
|
| 403 |
else {
|
| 404 |
// insert new daemon in the database
|
| 405 |
$daemon->did = db_next_id('{daemon_daemon}_did');
|
| 406 |
|
| 407 |
db_query("INSERT INTO {daemon_daemon} (did, name, description) VALUES (%d, '%s', '%s')", $daemon->did, $daemon->name, $daemon->description);
|
| 408 |
}
|
| 409 |
|
| 410 |
// insert listeners associated to daemon
|
| 411 |
foreach ($daemon->listeners as $listener) {
|
| 412 |
if (!empty($listener['module']) && !empty($listener['id']) && !empty($listener['type']) && !empty($listener['port'])) {
|
| 413 |
db_query("INSERT INTO {daemon_listener} (did, module, id, type, port) VALUES (%d, '%s', '%s', '%s', %d)", $daemon->did, $listener['module'], $listener['id'], $listener['type'], $listener['port']);
|
| 414 |
}
|
| 415 |
}
|
| 416 |
|
| 417 |
return $daemon->did;
|
| 418 |
}
|
| 419 |
|
| 420 |
/**
|
| 421 |
* Load a daemon from database
|
| 422 |
*
|
| 423 |
* @param $arg Daemon id or name
|
| 424 |
* @return The daemon object, or false if not found
|
| 425 |
*/
|
| 426 |
function _daemon_load_daemon($arg) {
|
| 427 |
static $cache = array();
|
| 428 |
|
| 429 |
if ($arg === false) {
|
| 430 |
return false;
|
| 431 |
}
|
| 432 |
|
| 433 |
// check in cache
|
| 434 |
$which = is_numeric($arg) ? 'did' : 'name';
|
| 435 |
if (isset($cache[$which][$arg])) {
|
| 436 |
return $cache[$which][$arg];
|
| 437 |
}
|
| 438 |
|
| 439 |
// load daemon
|
| 440 |
$where = (is_numeric($arg) ? "did = %d" : "name = '%s'");
|
| 441 |
$daemon = db_fetch_object(db_query("SELECT * FROM {daemon_daemon} WHERE $where", $arg));
|
| 442 |
|
| 443 |
if (!$daemon->name) {
|
| 444 |
return false;
|
| 445 |
}
|
| 446 |
|
| 447 |
// load daemon listeners
|
| 448 |
$result = db_query("SELECT * FROM {daemon_listener} WHERE did = %d", $daemon->did);
|
| 449 |
|
| 450 |
$daemon->listeners = array();
|
| 451 |
while ($listener = db_fetch_array($result)) {
|
| 452 |
$daemon->listeners[] = $listener;
|
| 453 |
}
|
| 454 |
|
| 455 |
_daemon_fill_listeners($daemon);
|
| 456 |
|
| 457 |
// load daemon timers
|
| 458 |
$daemon->timers = _daemon_timers($daemon->did);
|
| 459 |
|
| 460 |
// save in cache
|
| 461 |
$cache['did'][$daemon->did] = $daemon;
|
| 462 |
$cache['name'][$daemon->name] = $daemon;
|
| 463 |
|
| 464 |
return $daemon;
|
| 465 |
}
|
| 466 |
|
| 467 |
/**
|
| 468 |
* Delete a daemon from database
|
| 469 |
*
|
| 470 |
* @param $did Daemon id
|
| 471 |
*/
|
| 472 |
function _daemon_delete_demon($did) {
|
| 473 |
db_query("DELETE FROM {daemon_daemon} WHERE did = %d", $did);
|
| 474 |
db_query("DELETE FROM {daemon_listener} WHERE did = %d", $did);
|
| 475 |
}
|
| 476 |
|
| 477 |
/**
|
| 478 |
* Get all daemons
|
| 479 |
*/
|
| 480 |
function _daemon_get_all_daemons() {
|
| 481 |
$result = array();
|
| 482 |
|
| 483 |
$res = db_query("SELECT did FROM {daemon_daemon} ORDER BY name");
|
| 484 |
while ($daemon = db_fetch_object($res)) {
|
| 485 |
// get full daemon infos
|
| 486 |
$result[] = _daemon_load_daemon($daemon->did);
|
| 487 |
}
|
| 488 |
|
| 489 |
return $result + _daemon_get_default_daemons();
|
| 490 |
}
|
| 491 |
|
| 492 |
/**
|
| 493 |
* Fill listeners info of a daemon
|
| 494 |
*
|
| 495 |
* @param $daemon Daemon object to fill
|
| 496 |
*/
|
| 497 |
function _daemon_fill_listeners(&$daemon) {
|
| 498 |
foreach ($daemon->listeners as $i => $listener) {
|
| 499 |
$listener_infos = _daemon_listeners('listener', $listener['id']);
|
| 500 |
if ($listener_infos !== false) {
|
| 501 |
$daemon->listeners[$i]['module'] = $listener_infos['module'];
|
| 502 |
$daemon->listeners[$i]['name'] = $listener_infos['name'];
|
| 503 |
$daemon->listeners[$i]['description'] = $listener_infos['description'];
|
| 504 |
$daemon->listeners[$i]['handler'] = $listener_infos['handler'];
|
| 505 |
$daemon->listeners[$i]['files'] = $listener_infos['files'];
|
| 506 |
}
|
| 507 |
}
|
| 508 |
}
|
| 509 |
|
| 510 |
/**
|
| 511 |
* Manage listeners
|
| 512 |
*
|
| 513 |
* @param $op Operation:
|
| 514 |
* - 'listeners': get all listeners
|
| 515 |
* - 'listener': get a listener by its id
|
| 516 |
* - 'names': get all listeners names
|
| 517 |
* @param $id Listener id, used when $op is 'listener'
|
| 518 |
* @return false or empty array if not found
|
| 519 |
*/
|
| 520 |
function _daemon_listeners($op, $id = NULL) {
|
| 521 |
static $listeners = array();
|
| 522 |
static $listeners_names = array();
|
| 523 |
|
| 524 |
$result = false;
|
| 525 |
|
| 526 |
if (empty($listeners)) {
|
| 527 |
foreach (module_implements('daemon_listeners') as $module_name) {
|
| 528 |
$module_listeners = module_invoke($module_name, 'daemon_listeners');
|
| 529 |
foreach ($module_listeners as $listener_id => $module_listener) {
|
| 530 |
$module_listener['id'] = $listener_id;
|
| 531 |
$module_listener['module'] = $module_name;
|
| 532 |
|
| 533 |
$listeners[$listener_id] = $module_listener;
|
| 534 |
$listeners_names[$listener_id] = $module_listener['name'];
|
| 535 |
}
|
| 536 |
}
|
| 537 |
}
|
| 538 |
|
| 539 |
switch ($op) {
|
| 540 |
case 'listeners':
|
| 541 |
$result = $listeners;
|
| 542 |
break;
|
| 543 |
|
| 544 |
case 'listener':
|
| 545 |
if (($id == NULL) || !isset($listeners[$id])) {
|
| 546 |
$result = false;
|
| 547 |
}
|
| 548 |
else {
|
| 549 |
$result = $listeners[$id];
|
| 550 |
}
|
| 551 |
break;
|
| 552 |
|
| 553 |
case 'names':
|
| 554 |
$result = $listeners_names;
|
| 555 |
break;
|
| 556 |
|
| 557 |
default:
|
| 558 |
// nop
|
| 559 |
break;
|
| 560 |
}
|
| 561 |
|
| 562 |
return $result;
|
| 563 |
}
|
| 564 |
|
| 565 |
/**
|
| 566 |
* Get possible listeners types
|
| 567 |
*/
|
| 568 |
function _daemon_listener_types() {
|
| 569 |
return array('tcp' => 'TCP', 'udp' => 'UDP');
|
| 570 |
}
|
| 571 |
|
| 572 |
|
| 573 |
/******************************************************************************
|
| 574 |
* Timers management
|
| 575 |
******************************************************************************/
|
| 576 |
|
| 577 |
/**
|
| 578 |
* Save a timer
|
| 579 |
*
|
| 580 |
* @param $timer Timer to save
|
| 581 |
* @return Timer id
|
| 582 |
*/
|
| 583 |
function _daemon_save_timer($timer) {
|
| 584 |
if ($timer->tid) {
|
| 585 |
// update the timer in the database
|
| 586 |
db_query("UPDATE {daemon_timer} SET name = '%s', description = '%s', timeout = %d, php = '%s' WHERE tid = %d",
|
| 587 |
$timer->name, $timer->description, $timer->timeout, $timer->php, $timer->tid);
|
| 588 |
}
|
| 589 |
else {
|
| 590 |
// insert new timer in the database
|
| 591 |
$timer->tid = db_next_id('{daemon_timer}_tid');
|
| 592 |
|
| 593 |
db_query("INSERT INTO {daemon_timer} (tid, name, description, timeout, php) VALUES (%d, '%s', '%s', %d, '%s')",
|
| 594 |
$timer->tid, $timer->name, $timer->description, $timer->timeout, $timer->php);
|
| 595 |
}
|
| 596 |
|
| 597 |
return $timer->tid;
|
| 598 |
}
|
| 599 |
|
| 600 |
/**
|
| 601 |
* Load a timer from database
|
| 602 |
*
|
| 603 |
* @param $arg Timer id or name
|
| 604 |
* @return The timer array, or false if not found
|
| 605 |
*/
|
| 606 |
function _daemon_load_timer($arg) {
|
| 607 |
static $cache = array();
|
| 608 |
|
| 609 |
if ($arg === false) {
|
| 610 |
return false;
|
| 611 |
}
|
| 612 |
|
| 613 |
// check in cache
|
| 614 |
$which = is_numeric($arg) ? 'tid' : 'name';
|
| 615 |
if (isset($cache[$which][$arg])) {
|
| 616 |
return $cache[$which][$arg];
|
| 617 |
}
|
| 618 |
|
| 619 |
// load timer
|
| 620 |
$where = (is_numeric($arg) ? "tid = %d" : "name = '%s'");
|
| 621 |
$timer = db_fetch_array(db_query("SELECT * FROM {daemon_timer} WHERE $where", $arg));
|
| 622 |
|
| 623 |
if (!$timer['name']) {
|
| 624 |
return false;
|
| 625 |
}
|
| 626 |
|
| 627 |
// save in cache
|
| 628 |
$cache['tid'][$timer['tid']] = $timer;
|
| 629 |
$cache['name'][$timer['name']] = $timer;
|
| 630 |
|
| 631 |
return $timer;
|
| 632 |
}
|
| 633 |
|
| 634 |
/**
|
| 635 |
* Delete a timer from database
|
| 636 |
*
|
| 637 |
* @param $tid Timer id
|
| 638 |
*/
|
| 639 |
function _daemon_delete_timer($tid) {
|
| 640 |
db_query("DELETE FROM {daemon_timer} WHERE tid = %d", $tid);
|
| 641 |
db_query("DELETE FROM {daemon_timer_daemon} WHERE tid = %d", $tid);
|
| 642 |
}
|
| 643 |
|
| 644 |
/**
|
| 645 |
* Associate a timer to a daemon
|
| 646 |
*
|
| 647 |
* @param $did Daemon id
|
| 648 |
* @param $tid Timer id
|
| 649 |
* @return true / false
|
| 650 |
*/
|
| 651 |
function _daemon_associate_timer($did, $tid) {
|
| 652 |
if (db_result(db_query("SELECT COUNT(*) FROM {daemon_timer_daemon} WHERE did = %d AND tid = %d", $did, $tid)) == 0) {
|
| 653 |
db_query("INSERT INTO {daemon_timer_daemon} (did, tid) VALUES (%d, %d)", $did, $tid);
|
| 654 |
}
|
| 655 |
|
| 656 |
return true;
|
| 657 |
}
|
| 658 |
|
| 659 |
/**
|
| 660 |
* Disassociate a timer to a daemon
|
| 661 |
*
|
| 662 |
* @param $did Daemon id
|
| 663 |
* @param $tid Timer id
|
| 664 |
* @return true / false
|
| 665 |
*/
|
| 666 |
function _daemon_disassociate_timer($did, $tid) {
|
| 667 |
db_query("DELETE FROM {daemon_timer_daemon} WHERE did = %d AND tid = %d", $did, $tid);
|
| 668 |
}
|
| 669 |
|
| 670 |
/**
|
| 671 |
* Get all defined timers
|
| 672 |
*
|
| 673 |
* @param $did Filter timers associated to this daemon id (if false: returns all timers)
|
| 674 |
* @return An array of timers
|
| 675 |
*/
|
| 676 |
function _daemon_timers($did = false) {
|
| 677 |
$result = array();
|
| 678 |
|
| 679 |
if ($did !== false) {
|
| 680 |
$res = db_query("SELECT dt.* FROM {daemon_timer} dt LEFT JOIN {daemon_timer_daemon} dtd ON dtd.tid = dt.tid WHERE dtd.did = %d ORDER BY dt.name", $did);
|
| 681 |
}
|
| 682 |
else {
|
| 683 |
$res = db_query("SELECT * FROM {daemon_timer} ORDER BY name");
|
| 684 |
}
|
| 685 |
|
| 686 |
while ($timer = db_fetch_array($res)) {
|
| 687 |
$result[] = $timer;
|
| 688 |
}
|
| 689 |
|
| 690 |
return $result;
|
| 691 |
}
|
| 692 |
|
| 693 |
/**
|
| 694 |
* Check if given timer id is associated to given daemon
|
| 695 |
*
|
| 696 |
* @param $daemon Daemon object
|
| 697 |
* @param $tid Timer id
|
| 698 |
* @return The timer, or false if not found
|
| 699 |
*/
|
| 700 |
function _daemon_get_timer($daemon, $tid) {
|
| 701 |
$result = false;
|
| 702 |
|
| 703 |
foreach ($daemon->timers as $timer) {
|
| 704 |
if ($timer['tid'] == $tid) {
|
| 705 |
$result = $timer;
|
| 706 |
break;
|
| 707 |
}
|
| 708 |
}
|
| 709 |
|
| 710 |
return $result;
|
| 711 |
}
|
| 712 |
|
| 713 |
/**
|
| 714 |
* Daemon Timer class
|
| 715 |
*/
|
| 716 |
class DaemonTimer {
|
| 717 |
|
| 718 |
/** Timer id */
|
| 719 |
public $tid;
|
| 720 |
|
| 721 |
/** Timeout value in seconds */
|
| 722 |
public $timeout;
|
| 723 |
|
| 724 |
/**
|
| 725 |
* Daemon Timer constructor
|
| 726 |
*
|
| 727 |
* @param $tid Timer id
|
| 728 |
* @param $timeout Timeout
|
| 729 |
*/
|
| 730 |
public function __construct($tid, $timeout) {
|
| 731 |
$this->tid = $tid;
|
| 732 |
$this->timeout = $timeout;
|
| 733 |
}
|
| 734 |
|
| 735 |
/**
|
| 736 |
* Method called on timer is fired
|
| 737 |
*/
|
| 738 |
public function fired() {
|
| 739 |
$stop_timer = false;
|
| 740 |
|
| 741 |
// call hook_daemon_timeout()
|
| 742 |
foreach (module_implements('daemon_timeout') as $module_name) {
|
| 743 |
if (module_invoke($module_name, 'daemon_timeout', $this->tid) === false) {
|
| 744 |
// stop timer
|
| 745 |
$stop_timer = true;
|
| 746 |
}
|
| 747 |
}
|
| 748 |
|
| 749 |
if (!$stop_timer) {
|
| 750 |
// relaunch timer
|
| 751 |
Nanoserv::New_Timer($this->timeout, array($this, "fired"));
|
| 752 |
}
|
| 753 |
}
|
| 754 |
}
|
| 755 |
|
| 756 |
|
| 757 |
/******************************************************************************
|
| 758 |
* Misc
|
| 759 |
******************************************************************************/
|
| 760 |
|
| 761 |
/**
|
| 762 |
* Are we running as a daemon ?
|
| 763 |
*
|
| 764 |
* @return true / false
|
| 765 |
*/
|
| 766 |
function daemon_is_daemon() {
|
| 767 |
return (php_sapi_name() == 'cli');
|
| 768 |
}
|
| 769 |
|
| 770 |
/**
|
| 771 |
* Reinit drupal internals on new request
|
| 772 |
*/
|
| 773 |
function daemon_reinit_request($url = false) {
|
| 774 |
// reset path
|
| 775 |
if ($url !== false) {
|
| 776 |
$_REQUEST['q'] = $_GET['q'] = trim($url, '/');
|
| 777 |
}
|
| 778 |
drupal_init_path();
|
| 779 |
|
| 780 |
// reset menu
|
| 781 |
global $_menu;
|
| 782 |
menu_rebuild();
|
| 783 |
unset($_menu['items']);
|
| 784 |
}
|
| 785 |
|
| 786 |
/**
|
| 787 |
* Print a message
|
| 788 |
*/
|
| 789 |
function daemon_print($msg) {
|
| 790 |
drush_print('['. date('H:i:s') .'] '. $msg);
|
| 791 |
}
|
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