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-rw-r--r--maintenance/backup.inc97
1 files changed, 50 insertions, 47 deletions
diff --git a/maintenance/backup.inc b/maintenance/backup.inc
index 30bd0d88..9ed463c9 100644
--- a/maintenance/backup.inc
+++ b/maintenance/backup.inc
@@ -1,6 +1,8 @@
<?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
@@ -27,7 +29,7 @@
*/
class DumpDBZip2Output extends DumpPipeOutput {
function DumpDBZip2Output( $file ) {
- parent::DumpPipeOutput( "dbzip2", $file );
+ parent::__construct( "dbzip2", $file );
}
}
@@ -67,16 +69,16 @@ class BackupDumper {
}
/**
- * @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;
@@ -84,12 +86,13 @@ class BackupDumper {
/**
* 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' );
@@ -97,37 +100,36 @@ class BackupDumper {
}
/**
- * @param array $args
- * @return array
- * @static
+ * @param $args Array
+ * @return Array
*/
function processArgs( $args ) {
$sink = null;
$sinks = array();
- foreach( $args as $arg ) {
+ foreach ( $args as $arg ) {
$matches = array();
- if( preg_match( '/^--(.+?)(?:=(.+?)(?::(.+?))?)?$/', $arg, $matches ) ) {
+ if ( preg_match( '/^--(.+?)(?:=(.+?)(?::(.+?))?)?$/', $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];
@@ -145,9 +147,9 @@ class BackupDumper {
$this->server = $val;
break;
case "force-normal":
- if( !function_exists( 'utf8_normalize' ) ) {
- dl( "php_utfnormal.so" );
- if( !function_exists( 'utf8_normalize' ) ) {
+ 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" );
}
@@ -159,12 +161,12 @@ class BackupDumper {
}
}
- 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;
@@ -178,7 +180,7 @@ class BackupDumper {
function dump( $history, $text = WikiExporter::TEXT ) {
# Notice messages will foul up your XML output even if they're
# relatively harmless.
- if( ini_get( 'display_errors' ) )
+ if ( ini_get( 'display_errors' ) )
ini_set( 'display_errors', 'stderr' );
$this->initProgress( $history );
@@ -190,18 +192,18 @@ class BackupDumper {
$wrapper = new ExportProgressFilter( $this->sink, $this );
$exporter->setOutputSink( $wrapper );
- if( !$this->skipHeader )
+ if ( !$this->skipHeader )
$exporter->openStream();
# Log item dumps: all or by range
- if( $history & WikiExporter::LOGS ) {
- if( $this->startId || $this->endId ) {
+ 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 ) {
+ } else if ( is_null( $this->pages ) ) {
+ if ( $this->startId || $this->endId ) {
$exporter->pagesByRange( $this->startId, $this->endId );
} else {
$exporter->allPages();
@@ -211,44 +213,45 @@ class BackupDumper {
$exporter->pagesByName( $this->pages );
}
- if( !$this->skipFooter )
+ if ( !$this->skipFooter )
$exporter->closeStream();
$this->report( true );
}
-
+
/**
* Initialise starting time and maximum revision count.
* We'll make ETA calculations based an progress, assuming relatively
* constant per-revision rate.
- * @param int $history WikiExporter::CURRENT or WikiExporter::FULL
+ * @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';
-
+ $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)", '', 'BackupDumper::dump' );
+ $this->maxCount = $dbr->selectField( $table, "MAX($field)", '', __METHOD__ );
$this->startTime = wfTime();
}
/**
- * @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.
+ * @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 ) ) {
+ if ( isset( $this->lb ) ) {
$this->lb->closeAll();
}
}
@@ -270,16 +273,16 @@ class BackupDumper {
}
function report( $final = false ) {
- if( $final xor ( $this->revCount % $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->revCount / $this->maxCount;
@@ -302,7 +305,7 @@ class BackupDumper {
class ExportProgressFilter extends DumpFilter {
function ExportProgressFilter( &$sink, &$progress ) {
- parent::DumpFilter( $sink );
+ parent::__construct( $sink );
$this->progress = $progress;
}