MediaWiki 1.7.1 wiederhergestellt

1 files changed, 125 insertions, 0 deletions

diff --git a/includes/ObjectCache.php b/includes/ObjectCache.php
new file mode 100644
index 00000000..fe7417d2
--- /dev/null
+++ b/includes/ObjectCache.php
@@ -0,0 +1,125 @@
+<?php
+/**
+ * @package MediaWiki
+ * @subpackage Cache
+ */
+
+/**
+ * FakeMemCachedClient imitates the API of memcached-client v. 0.1.2.
+ * It acts as a memcached server with no RAM, that is, all objects are
+ * cleared the moment they are set. All set operations succeed and all
+ * get operations return null.
+ * @package MediaWiki
+ * @subpackage Cache
+ */
+class FakeMemCachedClient {
+	function add ($key, $val, $exp = 0) { return true; }
+	function decr ($key, $amt=1) { return null; }
+	function delete ($key, $time = 0) { return false; }
+	function disconnect_all () { }
+	function enable_compress ($enable) { }
+	function forget_dead_hosts () { }
+	function get ($key) { return null; }
+	function get_multi ($keys) { return array_pad(array(), count($keys), null); }
+	function incr ($key, $amt=1) { return null; }
+	function replace ($key, $value, $exp=0) { return false; }
+	function run_command ($sock, $cmd) { return null; }
+	function set ($key, $value, $exp=0){ return true; }
+	function set_compress_threshold ($thresh){ }
+	function set_debug ($dbg) { }
+	function set_servers ($list) { }
+}
+
+global $wgCaches;
+$wgCaches = array();
+
+/** @todo document */
+function &wfGetCache( $inputType ) {
+	global $wgCaches, $wgMemCachedServers, $wgMemCachedDebug, $wgMemCachedPersistent;
+	$cache = false;
+
+	if ( $inputType == CACHE_ANYTHING ) {
+		reset( $wgCaches );
+		$type = key( $wgCaches );
+		if ( $type === false || $type === CACHE_NONE ) {
+			$type = CACHE_DB;
+		}
+	} else {
+		$type = $inputType;
+	}
+
+	if ( $type == CACHE_MEMCACHED ) {
+		if ( !array_key_exists( CACHE_MEMCACHED, $wgCaches ) ){
+			require_once( 'memcached-client.php' );
+
+			if (!class_exists("MemcachedClientforWiki")) {
+				class MemCachedClientforWiki extends memcached {
+					function _debugprint( $text ) {
+						wfDebug( "memcached: $text\n" );
+					}
+				}
+			}
+
+			$wgCaches[CACHE_DB] = new MemCachedClientforWiki(
+				array('persistant' => $wgMemCachedPersistent, 'compress_threshold' => 1500 ) );
+			$cache =& $wgCaches[CACHE_DB];
+			$cache->set_servers( $wgMemCachedServers );
+			$cache->set_debug( $wgMemCachedDebug );
+		}
+	} elseif ( $type == CACHE_ACCEL ) {
+		if ( !array_key_exists( CACHE_ACCEL, $wgCaches ) ) {
+			if ( function_exists( 'eaccelerator_get' ) ) {
+				require_once( 'BagOStuff.php' );
+				$wgCaches[CACHE_ACCEL] = new eAccelBagOStuff;
+			} elseif ( function_exists( 'apc_fetch') ) {
+				require_once( 'BagOStuff.php' );
+				$wgCaches[CACHE_ACCEL] = new APCBagOStuff;
+			} elseif ( function_exists( 'mmcache_get' ) ) {
+				require_once( 'BagOStuff.php' );
+				$wgCaches[CACHE_ACCEL] = new TurckBagOStuff;
+			} else {
+				$wgCaches[CACHE_ACCEL] = false;
+			}
+		}
+		if ( $wgCaches[CACHE_ACCEL] !== false ) {
+			$cache =& $wgCaches[CACHE_ACCEL];
+		}
+	}
+
+	if ( $type == CACHE_DB || ( $inputType == CACHE_ANYTHING && $cache === false ) ) {
+		if ( !array_key_exists( CACHE_DB, $wgCaches ) ) {
+			require_once( 'BagOStuff.php' );
+			$wgCaches[CACHE_DB] = new MediaWikiBagOStuff('objectcache');
+		}
+		$cache =& $wgCaches[CACHE_DB];
+	}
+
+	if ( $cache === false ) {
+		if ( !array_key_exists( CACHE_NONE, $wgCaches ) ) {
+			$wgCaches[CACHE_NONE] = new FakeMemCachedClient;
+		}
+		$cache =& $wgCaches[CACHE_NONE];
+	}
+
+	return $cache;
+}
+
+function &wfGetMainCache() {
+	global $wgMainCacheType;
+	$ret =& wfGetCache( $wgMainCacheType );
+	return $ret;
+}
+
+function &wfGetMessageCacheStorage() {
+	global $wgMessageCacheType;
+	$ret =& wfGetCache( $wgMessageCacheType );
+	return $ret;
+}
+
+function &wfGetParserCacheStorage() {
+	global $wgParserCacheType;
+	$ret =& wfGetCache( $wgParserCacheType );
+	return $ret;
+}
+
+?>