src/Worker/UpdateGServers.php

   1 <?php
   2 /**
   3  * @copyright Copyright (C) 2010-2021, 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\Strings;
  29
  30 class UpdateGServers
  31 {
  32         /**
  33          * Updates a defined number of servers
  34          */
  35         public static function execute()
  36         {
  37                 $update_limit = DI::config()->get('system', 'gserver_update_limit');
  38                 if (empty($update_limit)) {
  39                         return;
  40                 }
  41
  42                 $updating = Worker::countWorkersByCommand('UpdateGServer');
  43                 $limit = $update_limit - $updating;
  44                 if ($limit <= 0) {
  45                         Logger::info('The number of currently running jobs exceed the limit');
  46                         return;
  47                 }
  48
  49                 $total = DBA::count('gserver');
  50                 $condition = ["`next_contact` < UTC_TIMESTAMP() AND (`nurl` != ? OR `url` != ?)", '', ''];
  51                 $outdated = DBA::count('gserver', $condition);
  52                 Logger::info('Server status', ['total' => $total, 'outdated' => $outdated, 'updating' => $limit]);
  53
  54                 $gservers = DBA::select('gserver', ['url', 'nurl'], $condition, ['limit' => $limit]);
  55                 if (!DBA::isResult($gservers)) {
  56                         return;
  57                 }
  58
  59                 $count = 0;
  60                 while ($gserver = DBA::fetch($gservers)) {
  61                         // Sometimes the "nurl" and "url" doesn't seem to fit, see https://forum.friendi.ca/display/ec054ce7-155f-c94d-6159-f50372664245
  62                         // There are duplicated "url" but not "nurl". So we check both addresses instead of just overwriting them,
  63                         // since that would mean loosing data.
  64                         if (!empty($gserver['url'])) {
  65                                 if (Worker::add(PRIORITY_LOW, 'UpdateGServer', $gserver['url'])) {
  66                                         $count++;
  67                                 }
  68                         }
  69                         if (!empty($gserver['nurl']) && ($gserver['nurl'] != Strings::normaliseLink($gserver['url']))) {
  70                                 if (Worker::add(PRIORITY_LOW, 'UpdateGServer', $gserver['nurl'])) {
  71                                         $count++;
  72                                 }
  73                         }
  74                 }
  75                 DBA::close($gservers);
  76                 Logger::info('Updated servers', ['count' => $count]);
  77         }
  78 }