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authorLuke Shumaker <LukeShu@sbcglobal.net>2014-01-28 09:50:25 -0500
committerLuke Shumaker <LukeShu@sbcglobal.net>2014-01-28 09:50:25 -0500
commit5744df39e15f85c6cc8a9faf8924d77e76d2b216 (patch)
treea8c8dd40a94d1fa0d5377566aa5548ae55a163da /includes/ExternalStoreDB.php
parent4bb2aeca1d198391ca856aa16c40b8559c68daec (diff)
parent224b22a051051f6c2e494c3a2fb4adb42898e2d1 (diff)
Merge branch 'archwiki'
Conflicts: extensions/FluxBBAuthPlugin.php extensions/SyntaxHighlight_GeSHi/README extensions/SyntaxHighlight_GeSHi/SyntaxHighlight_GeSHi.class.php extensions/SyntaxHighlight_GeSHi/SyntaxHighlight_GeSHi.i18n.php extensions/SyntaxHighlight_GeSHi/SyntaxHighlight_GeSHi.php extensions/SyntaxHighlight_GeSHi/geshi/docs/CHANGES extensions/SyntaxHighlight_GeSHi/geshi/docs/THANKS extensions/SyntaxHighlight_GeSHi/geshi/docs/TODO extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/AbstractClass.png extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/AbstractClass_logo.png extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/AbstractMethod.png extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/AbstractPrivateClass.png extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/AbstractPrivateClass_logo.png extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/AbstractPrivateMethod.png extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Class.png 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extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/tutorial.png extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/tutorial_folder.png extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/up_button.png extensions/SyntaxHighlight_GeSHi/geshi/docs/geshi-doc.html extensions/SyntaxHighlight_GeSHi/geshi/docs/geshi-doc.txt extensions/SyntaxHighlight_GeSHi/geshi/geshi.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/4cs.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/6502acme.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/6502kickass.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/6502tasm.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/68000devpac.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/abap.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/actionscript.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/actionscript3.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/ada.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/algol68.php 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extensions/SyntaxHighlight_GeSHi/geshi/geshi/cuesheet.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/d.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/dcs.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/delphi.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/diff.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/div.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/dos.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/dot.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/e.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/ecmascript.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/eiffel.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/email.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/epc.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/erlang.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/euphoria.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/f1.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/falcon.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/fo.php 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extensions/SyntaxHighlight_GeSHi/geshi/geshi/lisp.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/llvm.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/locobasic.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/logtalk.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/lolcode.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/lotusformulas.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/lotusscript.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/lscript.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/lsl2.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/lua.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/m68k.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/magiksf.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/make.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/mapbasic.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/matlab.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/mirc.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/mmix.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/modula2.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/modula3.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/mpasm.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/mxml.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/mysql.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/newlisp.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/nsis.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/oberon2.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/objc.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/objeck.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/ocaml-brief.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/ocaml.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/oobas.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/oracle11.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/oracle8.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/oxygene.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/oz.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/pascal.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/pcre.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/per.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/perl.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/perl6.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/pf.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/php-brief.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/php.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/pic16.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/pike.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/pixelbender.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/pli.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/plsql.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/postgresql.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/povray.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/powerbuilder.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/powershell.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/proftpd.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/progress.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/prolog.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/properties.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/providex.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/purebasic.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/pycon.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/python.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/q.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/qbasic.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/rails.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/rebol.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/reg.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/robots.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/rpmspec.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/rsplus.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/ruby.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/sas.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/scala.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/scheme.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/scilab.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/sdlbasic.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/smalltalk.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/smarty.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/sql.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/systemverilog.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/tcl.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/teraterm.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/text.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/thinbasic.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/tsql.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/typoscript.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/unicon.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/uscript.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/vala.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/vb.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/vbnet.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/verilog.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/vhdl.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/vim.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/visualfoxpro.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/visualprolog.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/whitespace.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/whois.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/winbatch.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/xbasic.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/xml.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/xorg_conf.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/xpp.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/yaml.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/z80.php extensions/SyntaxHighlight_GeSHi/geshi/geshi/zxbasic.php
Diffstat (limited to 'includes/ExternalStoreDB.php')
-rw-r--r--includes/ExternalStoreDB.php185
1 files changed, 0 insertions, 185 deletions
diff --git a/includes/ExternalStoreDB.php b/includes/ExternalStoreDB.php
deleted file mode 100644
index 6f2b33e1..00000000
--- a/includes/ExternalStoreDB.php
+++ /dev/null
@@ -1,185 +0,0 @@
-<?php
-/**
- * External storage in SQL database.
- *
- * 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.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- * http://www.gnu.org/copyleft/gpl.html
- *
- * @file
- */
-
-/**
- * DB accessable external objects
- * @ingroup ExternalStorage
- */
-class ExternalStoreDB {
-
- function __construct( $params = array() ) {
- $this->mParams = $params;
- }
-
- /**
- * Get a LoadBalancer for the specified cluster
- *
- * @param $cluster String: cluster name
- * @return LoadBalancer object
- */
- function &getLoadBalancer( $cluster ) {
- $wiki = isset($this->mParams['wiki']) ? $this->mParams['wiki'] : false;
-
- return wfGetLBFactory()->getExternalLB( $cluster, $wiki );
- }
-
- /**
- * Get a slave database connection for the specified cluster
- *
- * @param $cluster String: cluster name
- * @return DatabaseBase object
- */
- function &getSlave( $cluster ) {
- global $wgDefaultExternalStore;
-
- $wiki = isset($this->mParams['wiki']) ? $this->mParams['wiki'] : false;
- $lb =& $this->getLoadBalancer( $cluster );
-
- if ( !in_array( "DB://" . $cluster, (array)$wgDefaultExternalStore ) ) {
- wfDebug( "read only external store" );
- $lb->allowLagged(true);
- } else {
- wfDebug( "writable external store" );
- }
-
- return $lb->getConnection( DB_SLAVE, array(), $wiki );
- }
-
- /**
- * Get a master database connection for the specified cluster
- *
- * @param $cluster String: cluster name
- * @return DatabaseBase object
- */
- function &getMaster( $cluster ) {
- $wiki = isset($this->mParams['wiki']) ? $this->mParams['wiki'] : false;
- $lb =& $this->getLoadBalancer( $cluster );
- return $lb->getConnection( DB_MASTER, array(), $wiki );
- }
-
- /**
- * Get the 'blobs' table name for this database
- *
- * @param $db DatabaseBase
- * @return String: table name ('blobs' by default)
- */
- function getTable( &$db ) {
- $table = $db->getLBInfo( 'blobs table' );
- if ( is_null( $table ) ) {
- $table = 'blobs';
- }
- return $table;
- }
-
- /**
- * Fetch data from given URL
- * @param $url String: an url of the form DB://cluster/id or DB://cluster/id/itemid for concatened storage.
- * @return mixed
- */
- function fetchFromURL( $url ) {
- $path = explode( '/', $url );
- $cluster = $path[2];
- $id = $path[3];
- if ( isset( $path[4] ) ) {
- $itemID = $path[4];
- } else {
- $itemID = false;
- }
-
- $ret =& $this->fetchBlob( $cluster, $id, $itemID );
-
- if ( $itemID !== false && $ret !== false ) {
- return $ret->getItem( $itemID );
- }
- return $ret;
- }
-
- /**
- * Fetch a blob item out of the database; a cache of the last-loaded
- * blob will be kept so that multiple loads out of a multi-item blob
- * can avoid redundant database access and decompression.
- * @param $cluster
- * @param $id
- * @param $itemID
- * @return mixed
- * @private
- */
- function &fetchBlob( $cluster, $id, $itemID ) {
- /**
- * One-step cache variable to hold base blobs; operations that
- * pull multiple revisions may often pull multiple times from
- * the same blob. By keeping the last-used one open, we avoid
- * redundant unserialization and decompression overhead.
- */
- static $externalBlobCache = array();
-
- $cacheID = ( $itemID === false ) ? "$cluster/$id" : "$cluster/$id/";
- if( isset( $externalBlobCache[$cacheID] ) ) {
- wfDebug( "ExternalStoreDB::fetchBlob cache hit on $cacheID\n" );
- return $externalBlobCache[$cacheID];
- }
-
- wfDebug( "ExternalStoreDB::fetchBlob cache miss on $cacheID\n" );
-
- $dbr =& $this->getSlave( $cluster );
- $ret = $dbr->selectField( $this->getTable( $dbr ), 'blob_text', array( 'blob_id' => $id ), __METHOD__ );
- if ( $ret === false ) {
- wfDebugLog( 'ExternalStoreDB', "ExternalStoreDB::fetchBlob master fallback on $cacheID\n" );
- // Try the master
- $dbw =& $this->getMaster( $cluster );
- $ret = $dbw->selectField( $this->getTable( $dbw ), 'blob_text', array( 'blob_id' => $id ), __METHOD__ );
- if( $ret === false) {
- wfDebugLog( 'ExternalStoreDB', "ExternalStoreDB::fetchBlob master failed to find $cacheID\n" );
- }
- }
- if( $itemID !== false && $ret !== false ) {
- // Unserialise object; caller extracts item
- $ret = unserialize( $ret );
- }
-
- $externalBlobCache = array( $cacheID => &$ret );
- return $ret;
- }
-
- /**
- * Insert a data item into a given cluster
- *
- * @param $cluster String: the cluster name
- * @param $data String: the data item
- * @return string URL
- */
- function store( $cluster, $data ) {
- $dbw = $this->getMaster( $cluster );
- $id = $dbw->nextSequenceValue( 'blob_blob_id_seq' );
- $dbw->insert( $this->getTable( $dbw ),
- array( 'blob_id' => $id, 'blob_text' => $data ),
- __METHOD__ );
- $id = $dbw->insertId();
- if ( !$id ) {
- throw new MWException( __METHOD__.': no insert ID' );
- }
- if ( $dbw->getFlag( DBO_TRX ) ) {
- $dbw->commit( __METHOD__ );
- }
- return "DB://$cluster/$id";
- }
-}