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<?php
/**
* Copyright (C) 2005 Brion Vibber <brion@pobox.com>
* http://www.mediawiki.org/
*
* 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.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @package MediaWiki
* @subpackage SpecialPage
*/
$originalDir = getcwd();
$optionsWithArgs = array( 'server', 'pagelist' );
require_once( 'commandLine.inc' );
require_once( 'SpecialExport.php' );
class BackupDumper {
var $reportingInterval = 100;
var $reporting = true;
var $pageCount = 0;
var $revCount = 0;
var $server = null; // use default
var $pages = null; // all pages
function BackupDumper() {
$this->stderr = fopen( "php://stderr", "wt" );
}
function dump( $history ) {
# This shouldn't happen if on console... ;)
header( 'Content-type: text/html; charset=UTF-8' );
# Notice messages will foul up your XML output even if they're
# relatively harmless.
ini_set( 'display_errors', false );
$this->startTime = wfTime();
$dbr =& wfGetDB( DB_SLAVE );
$this->maxCount = $dbr->selectField( 'page', 'MAX(page_id)', '', 'BackupDumper::dump' );
$this->startTime = wfTime();
$db =& $this->backupDb();
$exporter = new WikiExporter( $db, $history, MW_EXPORT_STREAM );
$exporter->setPageCallback( array( &$this, 'reportPage' ) );
$exporter->setRevisionCallback( array( &$this, 'revCount' ) );
$exporter->openStream();
if ( is_null( $this->pages ) ) {
$exporter->allPages();
} else {
$exporter->pagesByName( $this->pages );
}
$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" );
return $db;
}
function backupServer() {
global $wgDBserver;
return $this->server
? $this->server
: $wgDBserver;
}
function reportPage( $page ) {
$this->pageCount++;
$this->report();
}
function revCount( $rev ) {
$this->revCount++;
}
function report( $final = false ) {
if( $final xor ( $this->pageCount % $this->reportingInterval == 0 ) ) {
$this->showReport();
}
}
function showReport() {
if( $this->reporting ) {
$delta = wfTime() - $this->startTime;
$now = wfTimestamp( TS_DB );
if( $delta ) {
$rate = $this->pageCount / $delta;
$revrate = $this->revCount / $delta;
$portion = $this->pageCount / $this->maxCount;
$eta = $this->startTime + $delta / $portion;
$etats = wfTimestamp( TS_DB, intval( $eta ) );
} else {
$rate = '-';
$revrate = '-';
$etats = '-';
}
global $wgDBname;
$this->progress( "$now: $wgDBname $this->pageCount, ETA $etats ($rate pages/sec $revrate revs/sec)" );
}
}
function progress( $string ) {
fwrite( $this->stderr, $string . "\n" );
}
}
$dumper = new BackupDumper();
if( isset( $options['quiet'] ) ) {
$dumper->reporting = false;
}
if( isset( $options['report'] ) ) {
$dumper->reportingInterval = IntVal( $options['report'] );
}
if( isset( $options['server'] ) ) {
$dumper->server = $options['server'];
}
if ( isset( $options['pagelist'] ) ) {
$olddir = getcwd();
chdir( $originalDir );
$pages = file( $options['pagelist'] );
chdir( $olddir );
if ( $pages === false ) {
print "Unable to open file {$options['pagelist']}\n";
exit;
}
$pages = array_map( 'trim', $pages );
$dumper->pages = array_filter( $pages, create_function( '$x', 'return $x !== "";' ) );
}
if( isset( $options['full'] ) ) {
$dumper->dump( MW_EXPORT_FULL );
} elseif( isset( $options['current'] ) ) {
$dumper->dump( MW_EXPORT_CURRENT );
} else {
$dumper->progress( <<<END
This script dumps the wiki page database into an XML interchange wrapper
format for export or backup.
XML output is sent to stdout; progress reports are sent to stderr.
Usage: php dumpBackup.php <action> [<options>]
Actions:
--full Dump complete history of every page.
--current Includes only the latest revision of each page.
Options:
--quiet Don't dump status reports to stderr.
--report=n Report position and speed after every n pages processed.
(Default: 100)
END
);
}
?>
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