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| <?php | |
| /** | |
| * | |
| * This file is part of the phpBB Forum Software package. | |
| * | |
| * @copyright (c) phpBB Limited <https://www.phpbb.com> | |
| * @license GNU General Public License, version 2 (GPL-2.0) | |
| * | |
| * For full copyright and license information, please see | |
| * the docs/CREDITS.txt file. | |
| * | |
| */ | |
| namespace phpbb\cache\driver; | |
| if (!defined('PHPBB_ACM_MEMCACHED_PORT')) | |
| { | |
| define('PHPBB_ACM_MEMCACHED_PORT', 11211); | |
| } | |
| if (!defined('PHPBB_ACM_MEMCACHED_COMPRESS')) | |
| { | |
| define('PHPBB_ACM_MEMCACHED_COMPRESS', true); | |
| } | |
| if (!defined('PHPBB_ACM_MEMCACHED_HOST')) | |
| { | |
| define('PHPBB_ACM_MEMCACHED_HOST', 'localhost'); | |
| } | |
| if (!defined('PHPBB_ACM_MEMCACHED')) | |
| { | |
| //can define multiple servers with host1/port1,host2/port2 format | |
| define('PHPBB_ACM_MEMCACHED', PHPBB_ACM_MEMCACHED_HOST . '/' . PHPBB_ACM_MEMCACHED_PORT); | |
| } | |
| /** | |
| * ACM for Memcached | |
| */ | |
| class memcached extends \phpbb\cache\driver\memory | |
| { | |
| /** @var string Extension to use */ | |
| protected $extension = 'memcached'; | |
| /** @var \Memcached Memcached class */ | |
| protected $memcached; | |
| /** @var int Flags */ | |
| protected $flags = 0; | |
| /** | |
| * Memcached constructor | |
| * | |
| * @param string $memcached_servers Memcached servers string (optional) | |
| */ | |
| public function __construct($memcached_servers = '') | |
| { | |
| // Call the parent constructor | |
| parent::__construct(); | |
| $memcached_servers = $memcached_servers ?: PHPBB_ACM_MEMCACHED; | |
| $this->memcached = new \Memcached(); | |
| $this->memcached->setOption(\Memcached::OPT_BINARY_PROTOCOL, true); | |
| // Memcached defaults to using compression, disable if we don't want | |
| // to use it | |
| if (!PHPBB_ACM_MEMCACHED_COMPRESS) | |
| { | |
| $this->memcached->setOption(\Memcached::OPT_COMPRESSION, false); | |
| } | |
| $server_list = []; | |
| foreach (explode(',', $memcached_servers) as $u) | |
| { | |
| if (preg_match('#(.*)/(\d+)#', $u, $parts)) | |
| { | |
| $server_list[] = [trim($parts[1]), (int) trim($parts[2])]; | |
| } | |
| } | |
| $this->memcached->addServers($server_list); | |
| if (empty($server_list) || empty($this->memcached->getStats())) | |
| { | |
| trigger_error('Could not connect to memcached server(s).'); | |
| } | |
| } | |
| /** | |
| * {@inheritDoc} | |
| */ | |
| public function unload() | |
| { | |
| parent::unload(); | |
| unset($this->memcached); | |
| } | |
| /** | |
| * {@inheritDoc} | |
| */ | |
| public function purge() | |
| { | |
| $this->memcached->flush(); | |
| parent::purge(); | |
| } | |
| /** | |
| * Fetch an item from the cache | |
| * | |
| * @param string $var Cache key | |
| * | |
| * @return mixed Cached data | |
| */ | |
| protected function _read($var) | |
| { | |
| return $this->memcached->get($this->key_prefix . $var); | |
| } | |
| /** | |
| * Store data in the cache | |
| * | |
| * @param string $var Cache key | |
| * @param mixed $data Data to store | |
| * @param int $ttl Time-to-live of cached data | |
| * @return bool True if the operation succeeded | |
| */ | |
| protected function _write($var, $data, $ttl = 2592000) | |
| { | |
| if (!$this->memcached->replace($this->key_prefix . $var, $data, $ttl)) | |
| { | |
| return $this->memcached->set($this->key_prefix . $var, $data, $ttl); | |
| } | |
| return true; | |
| } | |
| /** | |
| * Remove an item from the cache | |
| * | |
| * @param string $var Cache key | |
| * @return bool True if the operation succeeded | |
| */ | |
| protected function _delete($var) | |
| { | |
| return $this->memcached->delete($this->key_prefix . $var); | |
| } | |
| } |