Documentation
[lhc/web/wiklou.git] / maintenance / backup.inc
index 27cf11e..814d0c0 100644 (file)
@@ -50,8 +50,20 @@ class BackupDumper {
        var $sink       = null; // Output filters
        var $stubText   = false; // include rev_text_id instead of text; for 2-pass dump
        var $dumpUploads = false;
+       var $dumpUploadFileContents = false;
+       var $lastTime = 0;
+       var $pageCountLast = 0;
+       var $revCountLast = 0;
+       var $ID = 0;
 
-       function BackupDumper( $args ) {
+       var $outputTypes = array(), $filterTypes = array();
+
+       /**
+        * @var LoadBalancer
+        */
+       protected $lb;
+
+       function __construct( $args ) {
                $this->stderr = fopen( "php://stderr", "wt" );
 
                // Built-in output and filter plugins
@@ -119,7 +131,7 @@ class BackupDumper {
                                                $sinks[] = $sink;
                                        }
                                        if ( !isset( $this->outputTypes[$val] ) ) {
-                                               wfDie( "Unrecognized output sink type '$val'\n" );
+                                               $this->fatalError( "Unrecognized output sink type '$val'" );
                                        }
                                        $type = $this->outputTypes[$val];
                                        $sink = new $type( $param );
@@ -129,7 +141,7 @@ class BackupDumper {
                                                $sink = new DumpOutput();
                                        }
                                        if ( !isset( $this->filterTypes[$val] ) ) {
-                                               wfDie( "Unrecognized filter type '$val'\n" );
+                                               $this->fatalError( "Unrecognized filter type '$val'" );
                                        }
                                        $type = $this->filterTypes[$val];
                                        $filter = new $type( $sink, $param );
@@ -149,8 +161,8 @@ class BackupDumper {
                                        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" );
+                                                       $this->fatalError( "Failed to load UTF-8 normalization extension. " .
+                                                               "Install or remove --force-normal parameter to use slower code." );
                                                }
                                        }
                                        break;
@@ -187,6 +199,7 @@ class BackupDumper {
                $db = $this->backupDb();
                $exporter = new WikiExporter( $db, $history, WikiExporter::STREAM, $text );
                $exporter->dumpUploads = $this->dumpUploads;
+               $exporter->dumpUploadFileContents = $this->dumpUploadFileContents;
 
                $wrapper = new ExportProgressFilter( $this->sink, $this );
                $exporter->setOutputSink( $wrapper );
@@ -204,6 +217,8 @@ class BackupDumper {
                } else if ( is_null( $this->pages ) ) {
                        if ( $this->startId || $this->endId ) {
                                $exporter->pagesByRange( $this->startId, $this->endId );
+                       } elseif ( $this->revStartId || $this->revEndId ) {
+                               $exporter->revsByRange( $this->revStartId, $this->revEndId );
                        } else {
                                $exporter->allPages();
                        }
@@ -231,12 +246,15 @@ class BackupDumper {
                $dbr = wfGetDB( DB_SLAVE );
                $this->maxCount = $dbr->selectField( $table, "MAX($field)", '', __METHOD__ );
                $this->startTime = wfTime();
+               $this->lastTime = $this->startTime;
+               $this->ID = getmypid();
        }
 
        /**
         * @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.
+        * @return DatabaseBase
         */
        function backupDb() {
                $this->lb = wfGetLBFactory()->newMainLB();
@@ -279,31 +297,50 @@ class BackupDumper {
 
        function showReport() {
                if ( $this->reporting ) {
-                       $delta = wfTime() - $this->startTime;
                        $now = wfTimestamp( TS_DB );
-                       if ( $delta ) {
-                               $rate = $this->pageCount / $delta;
-                               $revrate = $this->revCount / $delta;
+                       $nowts = wfTime();
+                       $deltaAll = wfTime() - $this->startTime;
+                       $deltaPart = wfTime() - $this->lastTime;
+                       $this->pageCountPart = $this->pageCount - $this->pageCountLast;
+                       $this->revCountPart = $this->revCount - $this->revCountLast;
+
+                       if ( $deltaAll ) {
                                $portion = $this->revCount / $this->maxCount;
-                               $eta = $this->startTime + $delta / $portion;
+                               $eta = $this->startTime + $deltaAll / $portion;
                                $etats = wfTimestamp( TS_DB, intval( $eta ) );
+                               $pageRate = $this->pageCount / $deltaAll;
+                               $revRate = $this->revCount / $deltaAll;
                        } else {
-                               $rate = '-';
-                               $revrate = '-';
+                               $pageRate = '-';
+                               $revRate = '-';
                                $etats = '-';
                        }
-                       $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 ) );
+                       if ( $deltaPart ) {
+                               $pageRatePart = $this->pageCountPart / $deltaPart;
+                               $revRatePart = $this->revCountPart / $deltaPart;
+                       } else {
+                               $pageRatePart = '-';
+                               $revRatePart = '-';
+                       }
+                       $this->progress( sprintf( "%s: %s (ID %d) %d pages (%0.1f|%0.1f/sec all|curr), %d revs (%0.1f|%0.1f/sec all|curr), ETA %s [max %d]",
+                                       $now, wfWikiID(), $this->ID, $this->pageCount, $pageRate, $pageRatePart, $this->revCount, $revRate, $revRatePart, $etats, $this->maxCount ) );
+                       $this->lastTime = $nowts;
+                       $this->revCountLast = $this->revCount;
                }
        }
 
        function progress( $string ) {
                fwrite( $this->stderr, $string . "\n" );
        }
+
+       function fatalError( $msg ) {
+               $this->progress( "$msg\n" );
+               die(1);
+       }
 }
 
 class ExportProgressFilter extends DumpFilter {
-       function ExportProgressFilter( &$sink, &$progress ) {
+       function __construct( &$sink, &$progress ) {
                parent::__construct( $sink );
                $this->progress = $progress;
        }