1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
|
<?php
/**
* Build file cache for content pages
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
* @ingroup Maintenance
*/
require_once __DIR__ . '/Maintenance.php';
/**
* Maintenance script that builds file cache for content pages.
*
* @ingroup Maintenance
*/
class RebuildFileCache extends Maintenance {
public function __construct() {
parent::__construct();
$this->mDescription = "Build file cache for content pages";
$this->addOption( 'start', 'Page_id to start from', false, true );
$this->addOption( 'end', 'Page_id to end on', false, true );
$this->addOption( 'overwrite', 'Refresh page cache' );
$this->setBatchSize( 100 );
}
public function finalSetup() {
global $wgDebugToolbar;
// Debug toolbar makes content uncacheable so we disable it.
// Has to be done before Setup.php initialize MWDebug
$wgDebugToolbar = false;
parent::finalSetup();
}
public function execute() {
global $wgUseFileCache, $wgReadOnly, $wgContentNamespaces, $wgRequestTime;
global $wgTitle, $wgOut;
if ( !$wgUseFileCache ) {
$this->error( "Nothing to do -- \$wgUseFileCache is disabled.", true );
}
$wgReadOnly = 'Building cache'; // avoid DB writes (like enotif/counters)
$start = $this->getOption( 'start', "0" );
if ( !ctype_digit( $start ) ) {
$this->error( "Invalid value for start parameter.", true );
}
$start = intval( $start );
$end = $this->getOption( 'end', "0" );
if ( !ctype_digit( $end ) ) {
$this->error( "Invalid value for end parameter.", true );
}
$end = intval( $end );
$this->output( "Building content page file cache from page {$start}!\n" );
$dbr = wfGetDB( DB_SLAVE );
$overwrite = $this->getOption( 'overwrite', false );
$start = ( $start > 0 )
? $start
: $dbr->selectField( 'page', 'MIN(page_id)', false, __FUNCTION__ );
$end = ( $end > 0 )
? $end
: $dbr->selectField( 'page', 'MAX(page_id)', false, __FUNCTION__ );
if ( !$start ) {
$this->error( "Nothing to do.", true );
}
$_SERVER['HTTP_ACCEPT_ENCODING'] = 'bgzip'; // hack, no real client
# Do remaining chunk
$end += $this->mBatchSize - 1;
$blockStart = $start;
$blockEnd = $start + $this->mBatchSize - 1;
$dbw = wfGetDB( DB_MASTER );
// Go through each page and save the output
while ( $blockEnd <= $end ) {
// Get the pages
$res = $dbr->select( 'page', array( 'page_namespace', 'page_title', 'page_id' ),
array( 'page_namespace' => $wgContentNamespaces,
"page_id BETWEEN $blockStart AND $blockEnd" ),
array( 'ORDER BY' => 'page_id ASC', 'USE INDEX' => 'PRIMARY' )
);
$dbw->begin( __METHOD__ ); // for any changes
foreach ( $res as $row ) {
$rebuilt = false;
$wgRequestTime = microtime( true ); # bug 22852
$wgTitle = Title::makeTitleSafe( $row->page_namespace, $row->page_title );
if ( null == $wgTitle ) {
$this->output( "Page {$row->page_id} has bad title\n" );
continue; // broken title?
}
$context = new RequestContext;
$context->setTitle( $wgTitle );
$article = Article::newFromTitle( $wgTitle, $context );
$context->setWikiPage( $article->getPage() );
$wgOut = $context->getOutput(); // set display title
// If the article is cacheable, then load it
if ( $article->isFileCacheable() ) {
$cache = HTMLFileCache::newFromTitle( $wgTitle, 'view' );
if ( $cache->isCacheGood() ) {
if ( $overwrite ) {
$rebuilt = true;
} else {
$this->output( "Page {$row->page_id} already cached\n" );
continue; // done already!
}
}
ob_start( array( &$cache, 'saveToFileCache' ) ); // save on ob_end_clean()
$wgUseFileCache = false; // hack, we don't want $article fiddling with filecache
$article->view();
wfSuppressWarnings(); // header notices
$wgOut->output();
wfRestoreWarnings();
$wgUseFileCache = true;
ob_end_clean(); // clear buffer
if ( $rebuilt ) {
$this->output( "Re-cached page {$row->page_id}\n" );
} else {
$this->output( "Cached page {$row->page_id}\n" );
}
} else {
$this->output( "Page {$row->page_id} not cacheable\n" );
}
}
$dbw->commit( __METHOD__ ); // commit any changes (just for sanity)
$blockStart += $this->mBatchSize;
$blockEnd += $this->mBatchSize;
}
$this->output( "Done!\n" );
// Remove these to be safe
if ( isset( $wgTitle ) ) {
unset( $wgTitle );
}
}
}
$maintClass = "RebuildFileCache";
require_once RUN_MAINTENANCE_IF_MAIN;
|
