-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" );
- }
-}