<?php
/**
- * Copyright (C) 2005 Brion Vibber <brion@pobox.com>
+ * Base classes for database dumpers
+ *
+ * Copyright © 2005 Brion Vibber <brion@pobox.com>
* http://www.mediawiki.org/
*
* This program is free software; you can redistribute it and/or modify
*
* 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.,
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
- * @package MediaWiki
- * @subpackage SpecialPage
+ * @file
+ * @ingroup Dump Maintenance
*/
+/**
+ * @ingroup Dump Maintenance
+ */
+class DumpDBZip2Output extends DumpPipeOutput {
+ function DumpDBZip2Output( $file ) {
+ parent::__construct( "dbzip2", $file );
+ }
+}
+/**
+ * @ingroup Dump Maintenance
+ */
class BackupDumper {
var $reportingInterval = 100;
var $reporting = true;
var $endId = 0;
var $sink = null; // Output filters
var $stubText = false; // include rev_text_id instead of text; for 2-pass dump
+ var $dumpUploads = false;
function BackupDumper( $args ) {
$this->stderr = fopen( "php://stderr", "wt" );
$this->registerOutput( 'file', 'DumpFileOutput' );
$this->registerOutput( 'gzip', 'DumpGZipOutput' );
$this->registerOutput( 'bzip2', 'DumpBZip2Output' );
+ $this->registerOutput( 'dbzip2', 'DumpDBZip2Output' );
$this->registerOutput( '7zip', 'Dump7ZipOutput' );
$this->registerFilter( 'latest', 'DumpLatestFilter' );
}
/**
- * @param string $name
- * @param string $class name of output filter plugin class
+ * @param $name String
+ * @param $class String: name of output filter plugin class
*/
function registerOutput( $name, $class ) {
$this->outputTypes[$name] = $class;
}
/**
- * @param string $name
- * @param string $class name of filter plugin class
+ * @param $name String
+ * @param $class String: name of filter plugin class
*/
function registerFilter( $name, $class ) {
$this->filterTypes[$name] = $class;
/**
* Load a plugin and register it
- * @param string $class Name of plugin class; must have a static 'register'
- * method that takes a BackupDumper as a parameter.
- * @param string $file Full or relative path to the PHP file to load, or empty
+ *
+ * @param $class String: name of plugin class; must have a static 'register'
+ * method that takes a BackupDumper as a parameter.
+ * @param $file String: full or relative path to the PHP file to load, or empty
*/
function loadPlugin( $class, $file ) {
- if( $file != '' ) {
+ if ( $file != '' ) {
require_once( $file );
}
$register = array( $class, 'register' );
}
/**
- * @param array $args
- * @return array
- * @static
+ * @param $args Array
+ * @return Array
*/
function processArgs( $args ) {
$sink = null;
$sinks = array();
- foreach( $args as $arg ) {
- if( preg_match( '/^--(.+?)(?:=(.+?)(?::(.+?))?)?$/', $arg, $matches ) ) {
- @list( $full, $opt, $val, $param ) = $matches;
+ foreach ( $args as $arg ) {
+ $matches = array();
+ if ( preg_match( '/^--(.+?)(?:=(.+?)(?::(.+?))?)?$/', $arg, $matches ) ) {
+ @list( /* $full */ , $opt, $val, $param ) = $matches;
switch( $opt ) {
case "plugin":
$this->loadPlugin( $val, $param );
break;
case "output":
- if( !is_null( $sink ) ) {
+ if ( !is_null( $sink ) ) {
$sinks[] = $sink;
}
- if( !isset( $this->outputTypes[$val] ) ) {
+ if ( !isset( $this->outputTypes[$val] ) ) {
wfDie( "Unrecognized output sink type '$val'\n" );
}
$type = $this->outputTypes[$val];
$sink = new $type( $param );
break;
case "filter":
- if( is_null( $sink ) ) {
+ if ( is_null( $sink ) ) {
$this->progress( "Warning: assuming stdout for filter output\n" );
$sink = new DumpOutput();
}
- if( !isset( $this->filterTypes[$val] ) ) {
+ if ( !isset( $this->filterTypes[$val] ) ) {
wfDie( "Unrecognized filter type '$val'\n" );
}
$type = $this->filterTypes[$val];
unset( $sink );
$sink = $filter;
+ break;
+ case "report":
+ $this->reportingInterval = intval( $val );
+ break;
+ case "server":
+ $this->server = $val;
+ break;
+ case "force-normal":
+ if ( !function_exists( 'utf8_normalize' ) ) {
+ wfDl( "php_utfnormal.so" );
+ if ( !function_exists( 'utf8_normalize' ) ) {
+ wfDie( "Failed to load UTF-8 normalization extension. " .
+ "Install or remove --force-normal parameter to use slower code.\n" );
+ }
+ }
break;
default:
$this->processOption( $opt, $val, $param );
}
}
- if( is_null( $sink ) ) {
+ if ( is_null( $sink ) ) {
$sink = new DumpOutput();
}
$sinks[] = $sink;
- if( count( $sinks ) > 1 ) {
+ if ( count( $sinks ) > 1 ) {
return new DumpMultiWriter( $sinks );
} else {
return $sink;
// extension point for subclasses to add options
}
- function dump( $history, $text = MW_EXPORT_TEXT ) {
- # This shouldn't happen if on console... ;)
- header( 'Content-type: text/html; charset=UTF-8' );
-
+ function dump( $history, $text = WikiExporter::TEXT ) {
# Notice messages will foul up your XML output even if they're
# relatively harmless.
- ini_set( 'display_errors', false );
-
- $this->startTime = wfTime();
+ if ( ini_get( 'display_errors' ) )
+ ini_set( 'display_errors', 'stderr' );
- $dbr =& wfGetDB( DB_SLAVE );
- $this->maxCount = $dbr->selectField( 'page', 'MAX(page_id)', '', 'BackupDumper::dump' );
- $this->startTime = wfTime();
+ $this->initProgress( $history );
- $db =& $this->backupDb();
- $exporter = new WikiExporter( $db, $history, MW_EXPORT_STREAM, $text );
+ $db = $this->backupDb();
+ $exporter = new WikiExporter( $db, $history, WikiExporter::STREAM, $text );
+ $exporter->dumpUploads = $this->dumpUploads;
$wrapper = new ExportProgressFilter( $this->sink, $this );
$exporter->setOutputSink( $wrapper );
- if( !$this->skipHeader )
+ if ( !$this->skipHeader )
$exporter->openStream();
-
- if( is_null( $this->pages ) ) {
- if( $this->startId || $this->endId ) {
+ # Log item dumps: all or by range
+ if ( $history & WikiExporter::LOGS ) {
+ if ( $this->startId || $this->endId ) {
+ $exporter->logsByRange( $this->startId, $this->endId );
+ } else {
+ $exporter->allLogs();
+ }
+ # Page dumps: all or by page ID range
+ } else if ( is_null( $this->pages ) ) {
+ if ( $this->startId || $this->endId ) {
$exporter->pagesByRange( $this->startId, $this->endId );
} else {
$exporter->allPages();
}
+ # Dump of specific pages
} else {
$exporter->pagesByName( $this->pages );
}
- if( !$this->skipFooter )
+ if ( !$this->skipFooter )
$exporter->closeStream();
$this->report( true );
}
- function &backupDb() {
- global $wgDBadminuser, $wgDBadminpassword;
- global $wgDBname;
- $db =& new Database( $this->backupServer(), $wgDBadminuser, $wgDBadminpassword, $wgDBname );
- $timeout = 3600 * 24;
- $db->query( "SET net_read_timeout=$timeout" );
- $db->query( "SET net_write_timeout=$timeout" );
+ /**
+ * Initialise starting time and maximum revision count.
+ * We'll make ETA calculations based an progress, assuming relatively
+ * constant per-revision rate.
+ * @param $history Integer: WikiExporter::CURRENT or WikiExporter::FULL
+ */
+ function initProgress( $history = WikiExporter::FULL ) {
+ $table = ( $history == WikiExporter::CURRENT ) ? 'page' : 'revision';
+ $field = ( $history == WikiExporter::CURRENT ) ? 'page_id' : 'rev_id';
+
+ $dbr = wfGetDB( DB_SLAVE );
+ $this->maxCount = $dbr->selectField( $table, "MAX($field)", '', __METHOD__ );
+ $this->startTime = wfTime();
+ }
+
+ /**
+ * @todo Fixme: the --server parameter is currently not respected, as it
+ * doesn't seem terribly easy to ask the load balancer for a particular
+ * connection by name.
+ */
+ function backupDb() {
+ $this->lb = wfGetLBFactory()->newMainLB();
+ $db = $this->lb->getConnection( DB_SLAVE, 'backup' );
+
+ // Discourage the server from disconnecting us if it takes a long time
+ // to read out the big ol' batch query.
+ $db->setTimeout( 3600 * 24 );
+
return $db;
}
+ function __destruct() {
+ if ( isset( $this->lb ) ) {
+ $this->lb->closeAll();
+ }
+ }
+
function backupServer() {
global $wgDBserver;
return $this->server
function reportPage() {
$this->pageCount++;
- $this->report();
}
function revCount() {
$this->revCount++;
+ $this->report();
}
function report( $final = false ) {
- if( $final xor ( $this->pageCount % $this->reportingInterval == 0 ) ) {
+ if ( $final xor ( $this->revCount % $this->reportingInterval == 0 ) ) {
$this->showReport();
}
}
function showReport() {
- if( $this->reporting ) {
+ if ( $this->reporting ) {
$delta = wfTime() - $this->startTime;
$now = wfTimestamp( TS_DB );
- if( $delta ) {
+ if ( $delta ) {
$rate = $this->pageCount / $delta;
$revrate = $this->revCount / $delta;
- $portion = $this->pageCount / $this->maxCount;
+ $portion = $this->revCount / $this->maxCount;
$eta = $this->startTime + $delta / $portion;
$etats = wfTimestamp( TS_DB, intval( $eta ) );
} else {
$revrate = '-';
$etats = '-';
}
- global $wgDBname;
- $this->progress( "$now: $wgDBname $this->pageCount, ETA $etats ($rate pages/sec $revrate revs/sec)" );
+ $this->progress( sprintf( "%s: %s %d pages (%0.3f/sec), %d revs (%0.3f/sec), ETA %s [max %d]",
+ $now, wfWikiID(), $this->pageCount, $rate, $this->revCount, $revrate, $etats, $this->maxCount ) );
}
}
class ExportProgressFilter extends DumpFilter {
function ExportProgressFilter( &$sink, &$progress ) {
- parent::DumpFilter( $sink );
+ parent::__construct( $sink );
$this->progress = $progress;
}
$this->progress->revCount();
}
}
-
-?>
dépôts / lhc / web / wiklou.git / blobdiff