global $wgAutoloadLocalClasses;
$wgAutoloadLocalClasses = array(
- 'APCBagOStuff' => __DIR__ . '/includes/objectcache/APCBagOStuff.php',
+ 'APCBagOStuff' => __DIR__ . '/includes/libs/objectcache/APCBagOStuff.php',
'AbstractContent' => __DIR__ . '/includes/content/AbstractContent.php',
'Action' => __DIR__ . '/includes/actions/Action.php',
'ActiveUsersPager' => __DIR__ . '/includes/specials/SpecialActiveusers.php',
'BackupDumper' => __DIR__ . '/maintenance/backup.inc',
'BackupReader' => __DIR__ . '/maintenance/importDump.php',
'BadTitleError' => __DIR__ . '/includes/exception/BadTitleError.php',
- 'BagOStuff' => __DIR__ . '/includes/objectcache/BagOStuff.php',
+ 'BagOStuff' => __DIR__ . '/includes/libs/objectcache/BagOStuff.php',
'BaseDump' => __DIR__ . '/maintenance/backupPrefetch.inc',
'BaseTemplate' => __DIR__ . '/includes/skins/BaseTemplate.php',
'BatchedQueryRunner' => __DIR__ . '/maintenance/runBatchedQuery.php',
'EmailInvalidation' => __DIR__ . '/includes/specials/SpecialConfirmemail.php',
'EmailNotification' => __DIR__ . '/includes/mail/EmailNotification.php',
'EmaillingJob' => __DIR__ . '/includes/jobqueue/jobs/EmaillingJob.php',
- 'EmptyBagOStuff' => __DIR__ . '/includes/objectcache/EmptyBagOStuff.php',
+ 'EmptyBagOStuff' => __DIR__ . '/includes/libs/objectcache/EmptyBagOStuff.php',
'EmptyBloomCache' => __DIR__ . '/includes/cache/bloom/BloomCache.php',
'EncryptedPassword' => __DIR__ . '/includes/password/EncryptedPassword.php',
'EnhancedChangesList' => __DIR__ . '/includes/changes/EnhancedChangesList.php',
'HTMLTextAreaField' => __DIR__ . '/includes/htmlform/HTMLTextAreaField.php',
'HTMLTextField' => __DIR__ . '/includes/htmlform/HTMLTextField.php',
'HWLDFWordAccumulator' => __DIR__ . '/includes/diff/DairikiDiff.php',
- 'HashBagOStuff' => __DIR__ . '/includes/objectcache/HashBagOStuff.php',
+ 'HashBagOStuff' => __DIR__ . '/includes/libs/objectcache/HashBagOStuff.php',
'HashConfig' => __DIR__ . '/includes/config/HashConfig.php',
'HashRing' => __DIR__ . '/includes/libs/HashRing.php',
'HashtableReplacer' => __DIR__ . '/includes/libs/replacers/HashtableReplacer.php',
'WikiStatsOutput' => __DIR__ . '/maintenance/language/StatOutputs.php',
'WikitextContent' => __DIR__ . '/includes/content/WikitextContent.php',
'WikitextContentHandler' => __DIR__ . '/includes/content/WikitextContentHandler.php',
- 'WinCacheBagOStuff' => __DIR__ . '/includes/objectcache/WinCacheBagOStuff.php',
+ 'WinCacheBagOStuff' => __DIR__ . '/includes/libs/objectcache/WinCacheBagOStuff.php',
'WithoutInterwikiPage' => __DIR__ . '/includes/specials/SpecialWithoutinterwiki.php',
'WordLevelDiff' => __DIR__ . '/includes/diff/DairikiDiff.php',
'WrapOldPasswords' => __DIR__ . '/maintenance/wrapOldPasswords.php',
'XCFHandler' => __DIR__ . '/includes/media/XCF.php',
- 'XCacheBagOStuff' => __DIR__ . '/includes/objectcache/XCacheBagOStuff.php',
+ 'XCacheBagOStuff' => __DIR__ . '/includes/libs/objectcache/XCacheBagOStuff.php',
'XMLRCFeedFormatter' => __DIR__ . '/includes/rcfeed/XMLRCFeedFormatter.php',
'XMPInfo' => __DIR__ . '/includes/media/XMPInfo.php',
'XMPReader' => __DIR__ . '/includes/media/XMP.php',
--- /dev/null
+<?php
+/**
+ * Object caching using PHP's APC accelerator.
+ *
+ * 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
+ * @ingroup Cache
+ */
+
+/**
+ * This is a wrapper for APC's shared memory functions
+ *
+ * @ingroup Cache
+ */
+class APCBagOStuff extends BagOStuff {
+ public function get( $key, &$casToken = null ) {
+ $val = apc_fetch( $key );
+
+ $casToken = $val;
+
+ if ( is_string( $val ) ) {
+ if ( $this->isInteger( $val ) ) {
+ $val = intval( $val );
+ } else {
+ $val = unserialize( $val );
+ }
+ }
+
+ return $val;
+ }
+
+ public function set( $key, $value, $exptime = 0 ) {
+ if ( !$this->isInteger( $value ) ) {
+ $value = serialize( $value );
+ }
+
+ apc_store( $key, $value, $exptime );
+
+ return true;
+ }
+
+ public function delete( $key ) {
+ apc_delete( $key );
+
+ return true;
+ }
+
+ public function incr( $key, $value = 1 ) {
+ return apc_inc( $key, $value );
+ }
+
+ public function decr( $key, $value = 1 ) {
+ return apc_dec( $key, $value );
+ }
+}
--- /dev/null
+<?php
+/**
+ * Classes to cache objects in PHP accelerators, SQL database or DBA files
+ *
+ * Copyright © 2003-2004 Brion Vibber <brion@pobox.com>
+ * https://www.mediawiki.org/
+ *
+ * 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
+ * @ingroup Cache
+ */
+
+/**
+ * @defgroup Cache Cache
+ */
+
+use Psr\Log\LoggerAwareInterface;
+use Psr\Log\LoggerInterface;
+use Psr\Log\NullLogger;
+
+/**
+ * interface is intended to be more or less compatible with
+ * the PHP memcached client.
+ *
+ * backends for local hash array and SQL table included:
+ * <code>
+ * $bag = new HashBagOStuff();
+ * $bag = new SqlBagOStuff(); # connect to db first
+ * </code>
+ *
+ * @ingroup Cache
+ */
+abstract class BagOStuff implements LoggerAwareInterface {
+ private $debugMode = false;
+
+ protected $lastError = self::ERR_NONE;
+
+ /**
+ * @var LoggerInterface
+ */
+ protected $logger;
+
+ /** Possible values for getLastError() */
+ const ERR_NONE = 0; // no error
+ const ERR_NO_RESPONSE = 1; // no response
+ const ERR_UNREACHABLE = 2; // can't connect
+ const ERR_UNEXPECTED = 3; // response gave some error
+
+ public function __construct( array $params = array() ) {
+ if ( isset( $params['logger'] ) ) {
+ $this->setLogger( $params['logger'] );
+ } else {
+ $this->setLogger( new NullLogger() );
+ }
+ }
+
+ /**
+ * @param LoggerInterface $logger
+ * @return null
+ */
+ public function setLogger( LoggerInterface $logger ) {
+ $this->logger = $logger;
+ }
+
+ /**
+ * @param bool $bool
+ */
+ public function setDebug( $bool ) {
+ $this->debugMode = $bool;
+ }
+
+ /**
+ * Get an item with the given key. Returns false if it does not exist.
+ * @param string $key
+ * @param mixed $casToken [optional]
+ * @return mixed Returns false on failure
+ */
+ abstract public function get( $key, &$casToken = null );
+
+ /**
+ * Set an item.
+ * @param string $key
+ * @param mixed $value
+ * @param int $exptime Either an interval in seconds or a unix timestamp for expiry
+ * @return bool Success
+ */
+ abstract public function set( $key, $value, $exptime = 0 );
+
+ /**
+ * Delete an item.
+ * @param string $key
+ * @return bool True if the item was deleted or not found, false on failure
+ */
+ abstract public function delete( $key );
+
+ /**
+ * Merge changes into the existing cache value (possibly creating a new one).
+ * The callback function returns the new value given the current value (possibly false),
+ * and takes the arguments: (this BagOStuff object, cache key, current value).
+ *
+ * @param string $key
+ * @param callable $callback Callback method to be executed
+ * @param int $exptime Either an interval in seconds or a unix timestamp for expiry
+ * @param int $attempts The amount of times to attempt a merge in case of failure
+ * @return bool Success
+ */
+ public function merge( $key, $callback, $exptime = 0, $attempts = 10 ) {
+ if ( !is_callable( $callback ) ) {
+ throw new Exception( "Got invalid callback." );
+ }
+
+ return $this->mergeViaLock( $key, $callback, $exptime, $attempts );
+ }
+
+ /**
+ * @see BagOStuff::merge()
+ *
+ * @param string $key
+ * @param callable $callback Callback method to be executed
+ * @param int $exptime Either an interval in seconds or a unix timestamp for expiry
+ * @param int $attempts The amount of times to attempt a merge in case of failure
+ * @return bool Success
+ */
+ protected function mergeViaCas( $key, $callback, $exptime = 0, $attempts = 10 ) {
+ do {
+ $casToken = null; // passed by reference
+ $currentValue = $this->get( $key, $casToken );
+ // Derive the new value from the old value
+ $value = call_user_func( $callback, $this, $key, $currentValue );
+
+ if ( $value === false ) {
+ $success = true; // do nothing
+ } elseif ( $currentValue === false ) {
+ // Try to create the key, failing if it gets created in the meantime
+ $success = $this->add( $key, $value, $exptime );
+ } else {
+ // Try to update the key, failing if it gets changed in the meantime
+ $success = $this->cas( $casToken, $key, $value, $exptime );
+ }
+ } while ( !$success && --$attempts );
+
+ return $success;
+ }
+
+ /**
+ * Check and set an item
+ *
+ * @param mixed $casToken
+ * @param string $key
+ * @param mixed $value
+ * @param int $exptime Either an interval in seconds or a unix timestamp for expiry
+ * @return bool Success
+ */
+ protected function cas( $casToken, $key, $value, $exptime = 0 ) {
+ throw new Exception( "CAS is not implemented in " . __CLASS__ );
+ }
+
+ /**
+ * @see BagOStuff::merge()
+ *
+ * @param string $key
+ * @param callable $callback Callback method to be executed
+ * @param int $exptime Either an interval in seconds or a unix timestamp for expiry
+ * @param int $attempts The amount of times to attempt a merge in case of failure
+ * @return bool Success
+ */
+ protected function mergeViaLock( $key, $callback, $exptime = 0, $attempts = 10 ) {
+ if ( !$this->lock( $key, 6 ) ) {
+ return false;
+ }
+
+ $currentValue = $this->get( $key );
+ // Derive the new value from the old value
+ $value = call_user_func( $callback, $this, $key, $currentValue );
+
+ if ( $value === false ) {
+ $success = true; // do nothing
+ } else {
+ $success = $this->set( $key, $value, $exptime ); // set the new value
+ }
+
+ if ( !$this->unlock( $key ) ) {
+ // this should never happen
+ trigger_error( "Could not release lock for key '$key'." );
+ }
+
+ return $success;
+ }
+
+ /**
+ * @param string $key
+ * @param int $timeout Lock wait timeout [optional]
+ * @param int $expiry Lock expiry [optional]
+ * @return bool Success
+ */
+ public function lock( $key, $timeout = 6, $expiry = 6 ) {
+ $this->clearLastError();
+ $timestamp = microtime( true ); // starting UNIX timestamp
+ if ( $this->add( "{$key}:lock", 1, $expiry ) ) {
+ return true;
+ } elseif ( $this->getLastError() ) {
+ return false;
+ }
+
+ $uRTT = ceil( 1e6 * ( microtime( true ) - $timestamp ) ); // estimate RTT (us)
+ $sleep = 2 * $uRTT; // rough time to do get()+set()
+
+ $locked = false; // lock acquired
+ $attempts = 0; // failed attempts
+ do {
+ if ( ++$attempts >= 3 && $sleep <= 5e5 ) {
+ // Exponentially back off after failed attempts to avoid network spam.
+ // About 2*$uRTT*(2^n-1) us of "sleep" happen for the next n attempts.
+ $sleep *= 2;
+ }
+ usleep( $sleep ); // back off
+ $this->clearLastError();
+ $locked = $this->add( "{$key}:lock", 1, $expiry );
+ if ( $this->getLastError() ) {
+ return false;
+ }
+ } while ( !$locked && ( microtime( true ) - $timestamp ) < $timeout );
+
+ return $locked;
+ }
+
+ /**
+ * @param string $key
+ * @return bool Success
+ */
+ public function unlock( $key ) {
+ return $this->delete( "{$key}:lock" );
+ }
+
+ /**
+ * Delete all objects expiring before a certain date.
+ * @param string $date The reference date in MW format
+ * @param callable|bool $progressCallback Optional, a function which will be called
+ * regularly during long-running operations with the percentage progress
+ * as the first parameter.
+ *
+ * @return bool Success, false if unimplemented
+ */
+ public function deleteObjectsExpiringBefore( $date, $progressCallback = false ) {
+ // stub
+ return false;
+ }
+
+ /* *** Emulated functions *** */
+
+ /**
+ * Get an associative array containing the item for each of the keys that have items.
+ * @param array $keys List of strings
+ * @return array
+ */
+ public function getMulti( array $keys ) {
+ $res = array();
+ foreach ( $keys as $key ) {
+ $val = $this->get( $key );
+ if ( $val !== false ) {
+ $res[$key] = $val;
+ }
+ }
+ return $res;
+ }
+
+ /**
+ * Batch insertion
+ * @param array $data $key => $value assoc array
+ * @param int $exptime Either an interval in seconds or a unix timestamp for expiry
+ * @return bool Success
+ * @since 1.24
+ */
+ public function setMulti( array $data, $exptime = 0 ) {
+ $res = true;
+ foreach ( $data as $key => $value ) {
+ if ( !$this->set( $key, $value, $exptime ) ) {
+ $res = false;
+ }
+ }
+ return $res;
+ }
+
+ /**
+ * @param string $key
+ * @param mixed $value
+ * @param int $exptime
+ * @return bool Success
+ */
+ public function add( $key, $value, $exptime = 0 ) {
+ if ( $this->get( $key ) === false ) {
+ return $this->set( $key, $value, $exptime );
+ }
+ return false; // key already set
+ }
+
+ /**
+ * Increase stored value of $key by $value while preserving its TTL
+ * @param string $key Key to increase
+ * @param int $value Value to add to $key (Default 1)
+ * @return int|bool New value or false on failure
+ */
+ public function incr( $key, $value = 1 ) {
+ if ( !$this->lock( $key ) ) {
+ return false;
+ }
+ $n = $this->get( $key );
+ if ( $this->isInteger( $n ) ) { // key exists?
+ $n += intval( $value );
+ $this->set( $key, max( 0, $n ) ); // exptime?
+ } else {
+ $n = false;
+ }
+ $this->unlock( $key );
+
+ return $n;
+ }
+
+ /**
+ * Decrease stored value of $key by $value while preserving its TTL
+ * @param string $key
+ * @param int $value
+ * @return int
+ */
+ public function decr( $key, $value = 1 ) {
+ return $this->incr( $key, - $value );
+ }
+
+ /**
+ * Increase stored value of $key by $value while preserving its TTL
+ *
+ * This will create the key with value $init and TTL $ttl if not present
+ *
+ * @param string $key
+ * @param int $ttl
+ * @param int $value
+ * @param int $init
+ * @return bool
+ * @since 1.24
+ */
+ public function incrWithInit( $key, $ttl, $value = 1, $init = 1 ) {
+ return $this->incr( $key, $value ) ||
+ $this->add( $key, (int)$init, $ttl ) || $this->incr( $key, $value );
+ }
+
+ /**
+ * Get the "last error" registered; clearLastError() should be called manually
+ * @return int ERR_* constant for the "last error" registry
+ * @since 1.23
+ */
+ public function getLastError() {
+ return $this->lastError;
+ }
+
+ /**
+ * Clear the "last error" registry
+ * @since 1.23
+ */
+ public function clearLastError() {
+ $this->lastError = self::ERR_NONE;
+ }
+
+ /**
+ * Set the "last error" registry
+ * @param int $err ERR_* constant
+ * @since 1.23
+ */
+ protected function setLastError( $err ) {
+ $this->lastError = $err;
+ }
+
+ /**
+ * @param string $text
+ */
+ protected function debug( $text ) {
+ if ( $this->debugMode ) {
+ $this->logger->debug( "{class} debug: $text", array(
+ 'class' => get_class( $this ),
+ ) );
+ }
+ }
+
+ /**
+ * Convert an optionally relative time to an absolute time
+ * @param int $exptime
+ * @return int
+ */
+ protected function convertExpiry( $exptime ) {
+ if ( ( $exptime != 0 ) && ( $exptime < 86400 * 3650 /* 10 years */ ) ) {
+ return time() + $exptime;
+ } else {
+ return $exptime;
+ }
+ }
+
+ /**
+ * Convert an optionally absolute expiry time to a relative time. If an
+ * absolute time is specified which is in the past, use a short expiry time.
+ *
+ * @param int $exptime
+ * @return int
+ */
+ protected function convertToRelative( $exptime ) {
+ if ( $exptime >= 86400 * 3650 /* 10 years */ ) {
+ $exptime -= time();
+ if ( $exptime <= 0 ) {
+ $exptime = 1;
+ }
+ return $exptime;
+ } else {
+ return $exptime;
+ }
+ }
+
+ /**
+ * Check if a value is an integer
+ *
+ * @param mixed $value
+ * @return bool
+ */
+ protected function isInteger( $value ) {
+ return ( is_int( $value ) || ctype_digit( $value ) );
+ }
+}
--- /dev/null
+<?php
+/**
+ * Dummy object caching.
+ *
+ * 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
+ * @ingroup Cache
+ */
+
+/**
+ * A BagOStuff object with no objects in it. Used to provide a no-op object to calling code.
+ *
+ * @ingroup Cache
+ */
+class EmptyBagOStuff extends BagOStuff {
+ public function get( $key, &$casToken = null ) {
+ return false;
+ }
+
+ public function set( $key, $value, $exp = 0 ) {
+ return true;
+ }
+
+ public function delete( $key ) {
+ return true;
+ }
+
+ public function merge( $key, $callback, $exptime = 0, $attempts = 10 ) {
+ return true; // faster
+ }
+}
--- /dev/null
+<?php
+/**
+ * Object caching using PHP arrays.
+ *
+ * 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
+ * @ingroup Cache
+ */
+
+/**
+ * This is a test of the interface, mainly. It stores things in an associative
+ * array, which is not going to persist between program runs.
+ *
+ * @ingroup Cache
+ */
+class HashBagOStuff extends BagOStuff {
+ /** @var array */
+ protected $bag;
+
+ function __construct( $params = array() ) {
+ parent::__construct( $params );
+ $this->bag = array();
+ }
+
+ protected function expire( $key ) {
+ $et = $this->bag[$key][1];
+
+ if ( ( $et == 0 ) || ( $et > time() ) ) {
+ return false;
+ }
+
+ $this->delete( $key );
+
+ return true;
+ }
+
+ public function get( $key, &$casToken = null ) {
+ if ( !isset( $this->bag[$key] ) ) {
+ return false;
+ }
+
+ if ( $this->expire( $key ) ) {
+ return false;
+ }
+
+ $casToken = $this->bag[$key][0];
+
+ return $this->bag[$key][0];
+ }
+
+ public function set( $key, $value, $exptime = 0 ) {
+ $this->bag[$key] = array( $value, $this->convertExpiry( $exptime ) );
+ return true;
+ }
+
+ function delete( $key ) {
+ if ( !isset( $this->bag[$key] ) ) {
+ return false;
+ }
+
+ unset( $this->bag[$key] );
+
+ return true;
+ }
+
+ public function lock( $key, $timeout = 6, $expiry = 6 ) {
+ return true;
+ }
+
+ function unlock( $key ) {
+ return true;
+ }
+}
--- /dev/null
+<?php
+/**
+ * Object caching using WinCache.
+ *
+ * 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
+ * @ingroup Cache
+ */
+
+/**
+ * Wrapper for WinCache object caching functions; identical interface
+ * to the APC wrapper
+ *
+ * @ingroup Cache
+ */
+class WinCacheBagOStuff extends BagOStuff {
+
+ /**
+ * Get a value from the WinCache object cache
+ *
+ * @param string $key Cache key
+ * @param int $casToken [optional] Cas token
+ * @return mixed
+ */
+ public function get( $key, &$casToken = null ) {
+ $val = wincache_ucache_get( $key );
+
+ $casToken = $val;
+
+ if ( is_string( $val ) ) {
+ $val = unserialize( $val );
+ }
+
+ return $val;
+ }
+
+ /**
+ * Store a value in the WinCache object cache
+ *
+ * @param string $key Cache key
+ * @param mixed $value Value to store
+ * @param int $expire Expiration time
+ * @return bool
+ */
+ public function set( $key, $value, $expire = 0 ) {
+ $result = wincache_ucache_set( $key, serialize( $value ), $expire );
+
+ /* wincache_ucache_set returns an empty array on success if $value
+ was an array, bool otherwise */
+ return ( is_array( $result ) && $result === array() ) || $result;
+ }
+
+ /**
+ * Store a value in the WinCache object cache, race condition-safe
+ *
+ * @param int $casToken Cas token
+ * @param string $key Cache key
+ * @param int $value Object to store
+ * @param int $exptime Expiration time
+ * @return bool
+ */
+ protected function cas( $casToken, $key, $value, $exptime = 0 ) {
+ return wincache_ucache_cas( $key, $casToken, serialize( $value ) );
+ }
+
+ /**
+ * Remove a value from the WinCache object cache
+ *
+ * @param string $key Cache key
+ * @return bool
+ */
+ public function delete( $key ) {
+ wincache_ucache_delete( $key );
+
+ return true;
+ }
+
+ public function merge( $key, $callback, $exptime = 0, $attempts = 10 ) {
+ if ( !is_callable( $callback ) ) {
+ throw new Exception( "Got invalid callback." );
+ }
+
+ return $this->mergeViaCas( $key, $callback, $exptime, $attempts );
+ }
+}
--- /dev/null
+<?php
+/**
+ * Object caching using XCache.
+ *
+ * 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
+ * @ingroup Cache
+ */
+
+/**
+ * Wrapper for XCache object caching functions; identical interface
+ * to the APC wrapper
+ *
+ * @ingroup Cache
+ */
+class XCacheBagOStuff extends BagOStuff {
+ /**
+ * Get a value from the XCache object cache
+ *
+ * @param string $key Cache key
+ * @param mixed $casToken Cas token
+ * @return mixed
+ */
+ public function get( $key, &$casToken = null ) {
+ $val = xcache_get( $key );
+
+ if ( is_string( $val ) ) {
+ if ( $this->isInteger( $val ) ) {
+ $val = intval( $val );
+ } else {
+ $val = unserialize( $val );
+ }
+ } elseif ( is_null( $val ) ) {
+ return false;
+ }
+
+ return $val;
+ }
+
+ /**
+ * Store a value in the XCache object cache
+ *
+ * @param string $key Cache key
+ * @param mixed $value Object to store
+ * @param int $expire Expiration time
+ * @return bool
+ */
+ public function set( $key, $value, $expire = 0 ) {
+ if ( !$this->isInteger( $value ) ) {
+ $value = serialize( $value );
+ }
+
+ xcache_set( $key, $value, $expire );
+ return true;
+ }
+
+ /**
+ * Remove a value from the XCache object cache
+ *
+ * @param string $key Cache key
+ * @return bool
+ */
+ public function delete( $key ) {
+ xcache_unset( $key );
+ return true;
+ }
+
+ public function incr( $key, $value = 1 ) {
+ return xcache_inc( $key, $value );
+ }
+
+ public function decr( $key, $value = 1 ) {
+ return xcache_dec( $key, $value );
+ }
+}
+++ /dev/null
-<?php
-/**
- * Object caching using PHP's APC accelerator.
- *
- * 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
- * @ingroup Cache
- */
-
-/**
- * This is a wrapper for APC's shared memory functions
- *
- * @ingroup Cache
- */
-class APCBagOStuff extends BagOStuff {
- public function get( $key, &$casToken = null ) {
- $val = apc_fetch( $key );
-
- $casToken = $val;
-
- if ( is_string( $val ) ) {
- if ( $this->isInteger( $val ) ) {
- $val = intval( $val );
- } else {
- $val = unserialize( $val );
- }
- }
-
- return $val;
- }
-
- public function set( $key, $value, $exptime = 0 ) {
- if ( !$this->isInteger( $value ) ) {
- $value = serialize( $value );
- }
-
- apc_store( $key, $value, $exptime );
-
- return true;
- }
-
- public function delete( $key ) {
- apc_delete( $key );
-
- return true;
- }
-
- public function incr( $key, $value = 1 ) {
- return apc_inc( $key, $value );
- }
-
- public function decr( $key, $value = 1 ) {
- return apc_dec( $key, $value );
- }
-}
+++ /dev/null
-<?php
-/**
- * Classes to cache objects in PHP accelerators, SQL database or DBA files
- *
- * Copyright © 2003-2004 Brion Vibber <brion@pobox.com>
- * https://www.mediawiki.org/
- *
- * 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
- * @ingroup Cache
- */
-
-/**
- * @defgroup Cache Cache
- */
-
-use Psr\Log\LoggerAwareInterface;
-use Psr\Log\LoggerInterface;
-use Psr\Log\NullLogger;
-
-/**
- * interface is intended to be more or less compatible with
- * the PHP memcached client.
- *
- * backends for local hash array and SQL table included:
- * <code>
- * $bag = new HashBagOStuff();
- * $bag = new SqlBagOStuff(); # connect to db first
- * </code>
- *
- * @ingroup Cache
- */
-abstract class BagOStuff implements LoggerAwareInterface {
- private $debugMode = false;
-
- protected $lastError = self::ERR_NONE;
-
- /**
- * @var LoggerInterface
- */
- protected $logger;
-
- /** Possible values for getLastError() */
- const ERR_NONE = 0; // no error
- const ERR_NO_RESPONSE = 1; // no response
- const ERR_UNREACHABLE = 2; // can't connect
- const ERR_UNEXPECTED = 3; // response gave some error
-
- public function __construct( array $params = array() ) {
- if ( isset( $params['logger'] ) ) {
- $this->setLogger( $params['logger'] );
- } else {
- $this->setLogger( new NullLogger() );
- }
- }
-
- /**
- * @param LoggerInterface $logger
- * @return null
- */
- public function setLogger( LoggerInterface $logger ) {
- $this->logger = $logger;
- }
-
- /**
- * @param bool $bool
- */
- public function setDebug( $bool ) {
- $this->debugMode = $bool;
- }
-
- /**
- * Get an item with the given key. Returns false if it does not exist.
- * @param string $key
- * @param mixed $casToken [optional]
- * @return mixed Returns false on failure
- */
- abstract public function get( $key, &$casToken = null );
-
- /**
- * Set an item.
- * @param string $key
- * @param mixed $value
- * @param int $exptime Either an interval in seconds or a unix timestamp for expiry
- * @return bool Success
- */
- abstract public function set( $key, $value, $exptime = 0 );
-
- /**
- * Delete an item.
- * @param string $key
- * @return bool True if the item was deleted or not found, false on failure
- */
- abstract public function delete( $key );
-
- /**
- * Merge changes into the existing cache value (possibly creating a new one).
- * The callback function returns the new value given the current value (possibly false),
- * and takes the arguments: (this BagOStuff object, cache key, current value).
- *
- * @param string $key
- * @param callable $callback Callback method to be executed
- * @param int $exptime Either an interval in seconds or a unix timestamp for expiry
- * @param int $attempts The amount of times to attempt a merge in case of failure
- * @return bool Success
- */
- public function merge( $key, $callback, $exptime = 0, $attempts = 10 ) {
- if ( !is_callable( $callback ) ) {
- throw new Exception( "Got invalid callback." );
- }
-
- return $this->mergeViaLock( $key, $callback, $exptime, $attempts );
- }
-
- /**
- * @see BagOStuff::merge()
- *
- * @param string $key
- * @param callable $callback Callback method to be executed
- * @param int $exptime Either an interval in seconds or a unix timestamp for expiry
- * @param int $attempts The amount of times to attempt a merge in case of failure
- * @return bool Success
- */
- protected function mergeViaCas( $key, $callback, $exptime = 0, $attempts = 10 ) {
- do {
- $casToken = null; // passed by reference
- $currentValue = $this->get( $key, $casToken );
- // Derive the new value from the old value
- $value = call_user_func( $callback, $this, $key, $currentValue );
-
- if ( $value === false ) {
- $success = true; // do nothing
- } elseif ( $currentValue === false ) {
- // Try to create the key, failing if it gets created in the meantime
- $success = $this->add( $key, $value, $exptime );
- } else {
- // Try to update the key, failing if it gets changed in the meantime
- $success = $this->cas( $casToken, $key, $value, $exptime );
- }
- } while ( !$success && --$attempts );
-
- return $success;
- }
-
- /**
- * Check and set an item
- *
- * @param mixed $casToken
- * @param string $key
- * @param mixed $value
- * @param int $exptime Either an interval in seconds or a unix timestamp for expiry
- * @return bool Success
- */
- protected function cas( $casToken, $key, $value, $exptime = 0 ) {
- throw new MWException( "CAS is not implemented in " . __CLASS__ );
- }
-
- /**
- * @see BagOStuff::merge()
- *
- * @param string $key
- * @param callable $callback Callback method to be executed
- * @param int $exptime Either an interval in seconds or a unix timestamp for expiry
- * @param int $attempts The amount of times to attempt a merge in case of failure
- * @return bool Success
- */
- protected function mergeViaLock( $key, $callback, $exptime = 0, $attempts = 10 ) {
- if ( !$this->lock( $key, 6 ) ) {
- return false;
- }
-
- $currentValue = $this->get( $key );
- // Derive the new value from the old value
- $value = call_user_func( $callback, $this, $key, $currentValue );
-
- if ( $value === false ) {
- $success = true; // do nothing
- } else {
- $success = $this->set( $key, $value, $exptime ); // set the new value
- }
-
- if ( !$this->unlock( $key ) ) {
- // this should never happen
- trigger_error( "Could not release lock for key '$key'." );
- }
-
- return $success;
- }
-
- /**
- * @param string $key
- * @param int $timeout Lock wait timeout [optional]
- * @param int $expiry Lock expiry [optional]
- * @return bool Success
- */
- public function lock( $key, $timeout = 6, $expiry = 6 ) {
- $this->clearLastError();
- $timestamp = microtime( true ); // starting UNIX timestamp
- if ( $this->add( "{$key}:lock", 1, $expiry ) ) {
- return true;
- } elseif ( $this->getLastError() ) {
- return false;
- }
-
- $uRTT = ceil( 1e6 * ( microtime( true ) - $timestamp ) ); // estimate RTT (us)
- $sleep = 2 * $uRTT; // rough time to do get()+set()
-
- $locked = false; // lock acquired
- $attempts = 0; // failed attempts
- do {
- if ( ++$attempts >= 3 && $sleep <= 5e5 ) {
- // Exponentially back off after failed attempts to avoid network spam.
- // About 2*$uRTT*(2^n-1) us of "sleep" happen for the next n attempts.
- $sleep *= 2;
- }
- usleep( $sleep ); // back off
- $this->clearLastError();
- $locked = $this->add( "{$key}:lock", 1, $expiry );
- if ( $this->getLastError() ) {
- return false;
- }
- } while ( !$locked && ( microtime( true ) - $timestamp ) < $timeout );
-
- return $locked;
- }
-
- /**
- * @param string $key
- * @return bool Success
- */
- public function unlock( $key ) {
- return $this->delete( "{$key}:lock" );
- }
-
- /**
- * Delete all objects expiring before a certain date.
- * @param string $date The reference date in MW format
- * @param callable|bool $progressCallback Optional, a function which will be called
- * regularly during long-running operations with the percentage progress
- * as the first parameter.
- *
- * @return bool Success, false if unimplemented
- */
- public function deleteObjectsExpiringBefore( $date, $progressCallback = false ) {
- // stub
- return false;
- }
-
- /* *** Emulated functions *** */
-
- /**
- * Get an associative array containing the item for each of the keys that have items.
- * @param array $keys List of strings
- * @return array
- */
- public function getMulti( array $keys ) {
- $res = array();
- foreach ( $keys as $key ) {
- $val = $this->get( $key );
- if ( $val !== false ) {
- $res[$key] = $val;
- }
- }
- return $res;
- }
-
- /**
- * Batch insertion
- * @param array $data $key => $value assoc array
- * @param int $exptime Either an interval in seconds or a unix timestamp for expiry
- * @return bool Success
- * @since 1.24
- */
- public function setMulti( array $data, $exptime = 0 ) {
- $res = true;
- foreach ( $data as $key => $value ) {
- if ( !$this->set( $key, $value, $exptime ) ) {
- $res = false;
- }
- }
- return $res;
- }
-
- /**
- * @param string $key
- * @param mixed $value
- * @param int $exptime
- * @return bool Success
- */
- public function add( $key, $value, $exptime = 0 ) {
- if ( $this->get( $key ) === false ) {
- return $this->set( $key, $value, $exptime );
- }
- return false; // key already set
- }
-
- /**
- * Increase stored value of $key by $value while preserving its TTL
- * @param string $key Key to increase
- * @param int $value Value to add to $key (Default 1)
- * @return int|bool New value or false on failure
- */
- public function incr( $key, $value = 1 ) {
- if ( !$this->lock( $key ) ) {
- return false;
- }
- $n = $this->get( $key );
- if ( $this->isInteger( $n ) ) { // key exists?
- $n += intval( $value );
- $this->set( $key, max( 0, $n ) ); // exptime?
- } else {
- $n = false;
- }
- $this->unlock( $key );
-
- return $n;
- }
-
- /**
- * Decrease stored value of $key by $value while preserving its TTL
- * @param string $key
- * @param int $value
- * @return int
- */
- public function decr( $key, $value = 1 ) {
- return $this->incr( $key, - $value );
- }
-
- /**
- * Increase stored value of $key by $value while preserving its TTL
- *
- * This will create the key with value $init and TTL $ttl if not present
- *
- * @param string $key
- * @param int $ttl
- * @param int $value
- * @param int $init
- * @return bool
- * @since 1.24
- */
- public function incrWithInit( $key, $ttl, $value = 1, $init = 1 ) {
- return $this->incr( $key, $value ) ||
- $this->add( $key, (int)$init, $ttl ) || $this->incr( $key, $value );
- }
-
- /**
- * Get the "last error" registered; clearLastError() should be called manually
- * @return int ERR_* constant for the "last error" registry
- * @since 1.23
- */
- public function getLastError() {
- return $this->lastError;
- }
-
- /**
- * Clear the "last error" registry
- * @since 1.23
- */
- public function clearLastError() {
- $this->lastError = self::ERR_NONE;
- }
-
- /**
- * Set the "last error" registry
- * @param int $err ERR_* constant
- * @since 1.23
- */
- protected function setLastError( $err ) {
- $this->lastError = $err;
- }
-
- /**
- * @param string $text
- */
- protected function debug( $text ) {
- if ( $this->debugMode ) {
- $this->logger->debug( "{class} debug: $text", array(
- 'class' => get_class( $this ),
- ) );
- }
- }
-
- /**
- * Convert an optionally relative time to an absolute time
- * @param int $exptime
- * @return int
- */
- protected function convertExpiry( $exptime ) {
- if ( ( $exptime != 0 ) && ( $exptime < 86400 * 3650 /* 10 years */ ) ) {
- return time() + $exptime;
- } else {
- return $exptime;
- }
- }
-
- /**
- * Convert an optionally absolute expiry time to a relative time. If an
- * absolute time is specified which is in the past, use a short expiry time.
- *
- * @param int $exptime
- * @return int
- */
- protected function convertToRelative( $exptime ) {
- if ( $exptime >= 86400 * 3650 /* 10 years */ ) {
- $exptime -= time();
- if ( $exptime <= 0 ) {
- $exptime = 1;
- }
- return $exptime;
- } else {
- return $exptime;
- }
- }
-
- /**
- * Check if a value is an integer
- *
- * @param mixed $value
- * @return bool
- */
- protected function isInteger( $value ) {
- return ( is_int( $value ) || ctype_digit( $value ) );
- }
-}
+++ /dev/null
-<?php
-/**
- * Dummy object caching.
- *
- * 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
- * @ingroup Cache
- */
-
-/**
- * A BagOStuff object with no objects in it. Used to provide a no-op object to calling code.
- *
- * @ingroup Cache
- */
-class EmptyBagOStuff extends BagOStuff {
- public function get( $key, &$casToken = null ) {
- return false;
- }
-
- public function set( $key, $value, $exp = 0 ) {
- return true;
- }
-
- public function delete( $key ) {
- return true;
- }
-
- public function merge( $key, $callback, $exptime = 0, $attempts = 10 ) {
- return true; // faster
- }
-}
+++ /dev/null
-<?php
-/**
- * Object caching using PHP arrays.
- *
- * 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
- * @ingroup Cache
- */
-
-/**
- * This is a test of the interface, mainly. It stores things in an associative
- * array, which is not going to persist between program runs.
- *
- * @ingroup Cache
- */
-class HashBagOStuff extends BagOStuff {
- /** @var array */
- protected $bag;
-
- function __construct( $params = array() ) {
- parent::__construct( $params );
- $this->bag = array();
- }
-
- protected function expire( $key ) {
- $et = $this->bag[$key][1];
-
- if ( ( $et == 0 ) || ( $et > time() ) ) {
- return false;
- }
-
- $this->delete( $key );
-
- return true;
- }
-
- public function get( $key, &$casToken = null ) {
- if ( !isset( $this->bag[$key] ) ) {
- return false;
- }
-
- if ( $this->expire( $key ) ) {
- return false;
- }
-
- $casToken = $this->bag[$key][0];
-
- return $this->bag[$key][0];
- }
-
- public function set( $key, $value, $exptime = 0 ) {
- $this->bag[$key] = array( $value, $this->convertExpiry( $exptime ) );
- return true;
- }
-
- function delete( $key ) {
- if ( !isset( $this->bag[$key] ) ) {
- return false;
- }
-
- unset( $this->bag[$key] );
-
- return true;
- }
-
- public function lock( $key, $timeout = 6, $expiry = 6 ) {
- return true;
- }
-
- function unlock( $key ) {
- return true;
- }
-}
* the documentation of $wgObjectCaches for more detail.
*
* @param array $params
- * @throws MWException
+ * @throws InvalidArgumentException
*/
public function __construct( $params ) {
parent::__construct( $params );
if ( !isset( $params['caches'] ) ) {
- throw new MWException( __METHOD__ . ': the caches parameter is required' );
+ throw new InvalidArgumentException( __METHOD__ . ': the caches parameter is required' );
}
$this->caches = array();
+++ /dev/null
-<?php
-/**
- * Object caching using WinCache.
- *
- * 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
- * @ingroup Cache
- */
-
-/**
- * Wrapper for WinCache object caching functions; identical interface
- * to the APC wrapper
- *
- * @ingroup Cache
- */
-class WinCacheBagOStuff extends BagOStuff {
-
- /**
- * Get a value from the WinCache object cache
- *
- * @param string $key Cache key
- * @param int $casToken [optional] Cas token
- * @return mixed
- */
- public function get( $key, &$casToken = null ) {
- $val = wincache_ucache_get( $key );
-
- $casToken = $val;
-
- if ( is_string( $val ) ) {
- $val = unserialize( $val );
- }
-
- return $val;
- }
-
- /**
- * Store a value in the WinCache object cache
- *
- * @param string $key Cache key
- * @param mixed $value Value to store
- * @param int $expire Expiration time
- * @return bool
- */
- public function set( $key, $value, $expire = 0 ) {
- $result = wincache_ucache_set( $key, serialize( $value ), $expire );
-
- /* wincache_ucache_set returns an empty array on success if $value
- was an array, bool otherwise */
- return ( is_array( $result ) && $result === array() ) || $result;
- }
-
- /**
- * Store a value in the WinCache object cache, race condition-safe
- *
- * @param int $casToken Cas token
- * @param string $key Cache key
- * @param int $value Object to store
- * @param int $exptime Expiration time
- * @return bool
- */
- protected function cas( $casToken, $key, $value, $exptime = 0 ) {
- return wincache_ucache_cas( $key, $casToken, serialize( $value ) );
- }
-
- /**
- * Remove a value from the WinCache object cache
- *
- * @param string $key Cache key
- * @return bool
- */
- public function delete( $key ) {
- wincache_ucache_delete( $key );
-
- return true;
- }
-
- public function merge( $key, $callback, $exptime = 0, $attempts = 10 ) {
- if ( !is_callable( $callback ) ) {
- throw new Exception( "Got invalid callback." );
- }
-
- return $this->mergeViaCas( $key, $callback, $exptime, $attempts );
- }
-}
+++ /dev/null
-<?php
-/**
- * Object caching using XCache.
- *
- * 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
- * @ingroup Cache
- */
-
-/**
- * Wrapper for XCache object caching functions; identical interface
- * to the APC wrapper
- *
- * @ingroup Cache
- */
-class XCacheBagOStuff extends BagOStuff {
- /**
- * Get a value from the XCache object cache
- *
- * @param string $key Cache key
- * @param mixed $casToken Cas token
- * @return mixed
- */
- public function get( $key, &$casToken = null ) {
- $val = xcache_get( $key );
-
- if ( is_string( $val ) ) {
- if ( $this->isInteger( $val ) ) {
- $val = intval( $val );
- } else {
- $val = unserialize( $val );
- }
- } elseif ( is_null( $val ) ) {
- return false;
- }
-
- return $val;
- }
-
- /**
- * Store a value in the XCache object cache
- *
- * @param string $key Cache key
- * @param mixed $value Object to store
- * @param int $expire Expiration time
- * @return bool
- */
- public function set( $key, $value, $expire = 0 ) {
- if ( !$this->isInteger( $value ) ) {
- $value = serialize( $value );
- }
-
- xcache_set( $key, $value, $expire );
- return true;
- }
-
- /**
- * Remove a value from the XCache object cache
- *
- * @param string $key Cache key
- * @return bool
- */
- public function delete( $key ) {
- xcache_unset( $key );
- return true;
- }
-
- public function incr( $key, $value = 1 ) {
- return xcache_inc( $key, $value );
- }
-
- public function decr( $key, $value = 1 ) {
- return xcache_dec( $key, $value );
- }
-}
dépôts / lhc / web / wiklou.git / commitdiff