src/Worker/UpdateGServers.php

   1 <?php
   2 /**
   3  * @copyright Copyright (C) 2010-2022, the Friendica project
   4  *
   5  * @license GNU AGPL version 3 or any later version
   6  *
   7  * This program is free software: you can redistribute it and/or modify
   8  * it under the terms of the GNU Affero General Public License as
   9  * published by the Free Software Foundation, either version 3 of the
  10  * License, or (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU Affero General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Affero General Public License
  18  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  19  *
  20  */
  21
  22 namespace Friendica\Worker;
  23
  24 use Friendica\Core\Logger;
  25 use Friendica\Core\Worker;
  26 use Friendica\Database\DBA;
  27 use Friendica\DI;
  28 use Friendica\Util\DateTimeFormat;
  29 use Friendica\Util\Strings;
  30
  31 class UpdateGServers
  32 {
  33         /**
  34          * Updates a defined number of servers
  35          */
  36         public static function execute()
  37         {
  38                 $update_limit = DI::config()->get('system', 'gserver_update_limit');
  39                 if (empty($update_limit)) {
  40                         return;
  41                 }
  42
  43                 $updating = Worker::countWorkersByCommand('UpdateGServer');
  44                 $limit = $update_limit - $updating;
  45                 if ($limit <= 0) {
  46                         Logger::info('The number of currently running jobs exceed the limit');
  47                         return;
  48                 }
  49
  50                 $total = DBA::count('gserver');
  51                 $condition = ["`next_contact` < ? AND (`nurl` != ? OR `url` != ?)",  DateTimeFormat::utcNow(), '', ''];
  52                 $outdated = DBA::count('gserver', $condition);
  53                 Logger::info('Server status', ['total' => $total, 'outdated' => $outdated, 'updating' => $limit]);
  54
  55                 $gservers = DBA::select('gserver', ['url', 'nurl'], $condition, ['limit' => $limit]);
  56                 if (!DBA::isResult($gservers)) {
  57                         return;
  58                 }
  59
  60                 $count = 0;
  61                 while ($gserver = DBA::fetch($gservers)) {
  62                         // Sometimes the "nurl" and "url" doesn't seem to fit, see https://forum.friendi.ca/display/ec054ce7-155f-c94d-6159-f50372664245
  63                         // There are duplicated "url" but not "nurl". So we check both addresses instead of just overwriting them,
  64                         // since that would mean loosing data.
  65                         if (!empty($gserver['url'])) {
  66                                 if (Worker::add(PRIORITY_LOW, 'UpdateGServer', $gserver['url'])) {
  67                                         $count++;
  68                                 }
  69                         }
  70                         if (!empty($gserver['nurl']) && ($gserver['nurl'] != Strings::normaliseLink($gserver['url']))) {
  71                                 if (Worker::add(PRIORITY_LOW, 'UpdateGServer', $gserver['nurl'])) {
  72                                         $count++;
  73                                 }
  74                         }
  75                 }
  76                 DBA::close($gservers);
  77                 Logger::info('Updated servers', ['count' => $count]);
  78         }
  79 }