maintenance/updateSpecialPages.php

   1 <?php
   2 /**
   3  * Run this script periodically if you have miser mode enabled, to refresh the
   4  * caches
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  19  * http://www.gnu.org/copyleft/gpl.html
  20  *
  21  * @file
  22  * @ingroup Maintenance
  23  */
  24
  25 require_once( dirname( __FILE__ ) . '/Maintenance.php' );
  26
  27 class UpdateSpecialPages extends Maintenance {
  28         public function __construct() {
  29                 parent::__construct();
  30                 $this->addOption( 'list', 'List special page names' );
  31                 $this->addOption( 'only', 'Only update "page". Ex: --only=BrokenRedirects', false, true );
  32                 $this->addOption( 'override', 'Also update pages that have updates disabled' );
  33         }
  34
  35         public function execute() {
  36                 global $IP, $wgOut, $wgSpecialPageCacheUpdates, $wgQueryPages, $wgQueryCacheLimit, $wgDisableQueryPageUpdate;
  37                 $wgOut->disable();
  38                 $dbw = wfGetDB( DB_MASTER );
  39
  40                 foreach ( $wgSpecialPageCacheUpdates as $special => $call ) {
  41                         if ( !is_callable( $call ) ) {
  42                                 $this->error( "Uncallable function $call!" );
  43                                 continue;
  44                         }
  45                         $t1 = explode( ' ', microtime() );
  46                         call_user_func( $call, $dbw );
  47                         $t2 = explode( ' ', microtime() );
  48                         $this->output( sprintf( '%-30s ', $special ) );
  49                         $elapsed = ( $t2[0] - $t1[0] ) + ( $t2[1] - $t1[1] );
  50                         $hours = intval( $elapsed / 3600 );
  51                         $minutes = intval( $elapsed % 3600 / 60 );
  52                         $seconds = $elapsed - $hours * 3600 - $minutes * 60;
  53                         if ( $hours ) {
  54                                 $this->output( $hours . 'h ' );
  55                         }
  56                         if ( $minutes ) {
  57                                 $this->output( $minutes . 'm ' );
  58                         }
  59                         $this->output( sprintf( "completed in %.2fs\n", $seconds ) );
  60                         # Wait for the slave to catch up
  61                         wfWaitForSlaves( 5 );
  62                 }
  63
  64                 // This is needed to initialise $wgQueryPages
  65                 require_once( "$IP/includes/QueryPage.php" );
  66
  67                 foreach ( $wgQueryPages as $page ) {
  68                         @list( $class, $special, $limit ) = $page;
  69
  70                         # --list : just show the name of pages
  71                         if ( $this->hasOption( 'list' ) ) {
  72                                 $this->output( "$special\n" );
  73                                 continue;
  74                         }
  75
  76                         if ( !$this->hasOption( 'override' ) && $wgDisableQueryPageUpdate && in_array( $special, $wgDisableQueryPageUpdate ) ) {
  77                                 $this->output( sprintf( "%-30s disabled\n", $special ) );
  78                                 continue;
  79                         }
  80
  81                         $specialObj = SpecialPage::getPage( $special );
  82                         if ( !$specialObj ) {
  83                                 $this->output( "No such special page: $special\n" );
  84                                 exit;
  85                         }
  86                         if ( !class_exists( $class ) ) {
  87                                 $file = $specialObj->getFile();
  88                                 require_once( $file );
  89                         }
  90                         $queryPage = new $class;
  91
  92                         if ( !$this->hasOption( 'only' ) || $this->getOption( 'only' ) == $queryPage->getName() ) {
  93                                 $this->output( sprintf( '%-30s ',  $special ) );
  94                                 if ( $queryPage->isExpensive() ) {
  95                                         $t1 = explode( ' ', microtime() );
  96                                         # Do the query
  97                                         $num = $queryPage->recache( $limit === null ? $wgQueryCacheLimit : $limit );
  98                                         $t2 = explode( ' ', microtime() );
  99                                         if ( $num === false ) {
 100                                                 $this->output( "FAILED: database error\n" );
 101                                         } else {
 102                                                 $this->output( "got $num rows in " );
 103
 104                                                 $elapsed = ( $t2[0] - $t1[0] ) + ( $t2[1] - $t1[1] );
 105                                                 $hours = intval( $elapsed / 3600 );
 106                                                 $minutes = intval( $elapsed % 3600 / 60 );
 107                                                 $seconds = $elapsed - $hours * 3600 - $minutes * 60;
 108                                                 if ( $hours ) {
 109                                                         $this->output( $hours . 'h ' );
 110                                                 }
 111                                                 if ( $minutes ) {
 112                                                         $this->output( $minutes . 'm ' );
 113                                                 }
 114                                                 $this->output( sprintf( "%.2fs\n", $seconds ) );
 115                                         }
 116                                         # Reopen any connections that have closed
 117                                         if ( !wfGetLB()->pingAll() )  {
 118                                                 $this->output( "\n" );
 119                                                 do {
 120                                                         $this->error( "Connection failed, reconnecting in 10 seconds..." );
 121                                                         sleep( 10 );
 122                                                 } while ( !wfGetLB()->pingAll() );
 123                                                 $this->output( "Reconnected\n\n" );
 124                                         } else {
 125                                                 # Commit the results
 126                                                 $dbw->commit();
 127                                         }
 128                                         # Wait for the slave to catch up
 129                                         wfWaitForSlaves( 5 );
 130                                 } else {
 131                                         $this->output( "cheap, skipped\n" );
 132                                 }
 133                         }
 134                 }
 135         }
 136 }
 137
 138 $maintClass = "UpdateSpecialPages";
 139 require_once( RUN_MAINTENANCE_IF_MAIN );