127 lines
3.2 KiB
PHP
127 lines
3.2 KiB
PHP
<?php
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/**
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* @brief eAccelerator Cache Class
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* @author <a href='http://www.invisionpower.com'>Invision Power Services, Inc.</a>
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* @copyright (c) 2001 - SVN_YYYY Invision Power Services, Inc.
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* @license http://www.invisionpower.com/legal/standards/
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* @package IPS Social Suite
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* @since 17 Sept 2013
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* @version SVN_VERSION_NUMBER
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*/
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namespace IPS\Data\Cache;
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/* To prevent PHP errors (extending class does not exist) revealing path */
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if ( !defined( '\IPS\SUITE_UNIQUE_KEY' ) )
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{
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header( ( isset( $_SERVER['SERVER_PROTOCOL'] ) ? $_SERVER['SERVER_PROTOCOL'] : 'HTTP/1.0' ) . ' 403 Forbidden' );
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exit;
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}
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/**
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* eAccelerator Storage Class
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*/
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class _Eaccelerator extends \IPS\Data\Cache
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{
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/**
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* Server supports this method?
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*
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* @return bool
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*/
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public static function supported()
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{
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return function_exists('eaccelerator_get');
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}
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/**
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* Abstract Method: Get
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*
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* @param string $key Key
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* @return string Value from the _datastore
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*/
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protected function get( $key )
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{
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if( isset( $this->cache[ $key ] ) )
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{
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\IPS\Log::i( LOG_DEBUG )->setIpAddress( $_SERVER['REMOTE_ADDR'] )->write( "Get {$key} from eAccelerator (already loaded)", 'cache' );
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return $this->cache[ $key ];
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}
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\IPS\Log::i( LOG_DEBUG )->setIpAddress( $_SERVER['REMOTE_ADDR'] )->write( "Get {$key} from eAccelerator", 'cache' );
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$this->cache[ $key ] = eaccelerator_get( \IPS\SUITE_UNIQUE_KEY . '_' . $key );
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return $this->cache[ $key ];
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}
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/**
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* Abstract Method: Set
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*
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* @param string $key Key
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* @param string $value Value
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* @return bool
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*/
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protected function set( $key, $value )
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{
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\IPS\Log::i( LOG_DEBUG )->setIpAddress( $_SERVER['REMOTE_ADDR'] )->write( "Set {$key} in eAccelerator", 'cache' );
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eaccelerator_lock( \IPS\SUITE_UNIQUE_KEY . '_' . $key );
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$result = (bool) eaccelerator_put( \IPS\SUITE_UNIQUE_KEY . '_' . $key, $value );
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eaccelerator_unlock( \IPS\SUITE_UNIQUE_KEY . '_' . $key );
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return $result;
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}
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/**
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* Abstract Method: Exists?
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*
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* @param string $key Key
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* @return bool
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*/
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protected function exists( $key )
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{
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if( isset( $this->cache[ $key ] ) )
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{
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\IPS\Log::i( LOG_DEBUG )->setIpAddress( $_SERVER['REMOTE_ADDR'] )->write( "Check exists {$key} from eAccelerator (already loaded)", 'cache' );
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return TRUE;
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}
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\IPS\Log::i( LOG_DEBUG )->setIpAddress( $_SERVER['REMOTE_ADDR'] )->write( "Check exists {$key} from eAccelerator", 'cache' );
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return (bool) $this->get( $key );
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}
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/**
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* Abstract Method: Delete
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*
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* @param string $key Key
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* @return bool
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*/
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protected function delete( $key )
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{
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\IPS\Log::i( LOG_DEBUG )->setIpAddress( $_SERVER['REMOTE_ADDR'] )->write( "Delete {$key} from eAccelerator", 'cache' );
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return (bool) eaccelerator_rm( \IPS\SUITE_UNIQUE_KEY . '_' . $key );
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}
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/**
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* Destructor
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*
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* @return void
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*/
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public function __destruct()
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{
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if( function_exists( 'eaccelerator_gc' ) )
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{
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\IPS\Log::i( LOG_DEBUG )->setIpAddress( $_SERVER['REMOTE_ADDR'] )->write( "eAccelerator GC", 'cache' );
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eaccelerator_gc();
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}
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}
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/**
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* Abstract Method: Clear All Caches
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*
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* @return void
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*/
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public function clearAll()
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{
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\IPS\Log::i( LOG_DEBUG )->setIpAddress( $_SERVER['REMOTE_ADDR'] )->write( "Flush all caches from eAccelerator (not implemented)", 'cache' );
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}
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} |