<?php
+/**
+ * @copyright Copyright (C) 2020, Friendica
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
namespace Friendica\Core\Cache;
use Exception;
-use Friendica\Core\Config\Configuration;
+use Friendica\Core\BaseCache;
+use Friendica\Core\Config\IConfig;
use Memcached;
use Psr\Log\LoggerInterface;
/**
* Memcached Cache
- *
- * @author Hypolite Petovan <hypolite@mrpetovan.com>
*/
-class MemcachedCache extends Cache implements IMemoryCache
+class MemcachedCache extends BaseCache implements IMemoryCache
{
use TraitCompareSet;
use TraitCompareDelete;
+ use TraitMemcacheCommand;
/**
* @var \Memcached
*/
private $logger;
- /**
- * @var string First server address
- */
-
- private $firstServer;
-
- /**
- * @var int First server port
- */
- private $firstPort;
-
/**
* Due to limitations of the INI format, the expected configuration for Memcached servers is the following:
* array {
*
* @throws \Exception
*/
- public function __construct(string $hostname, Configuration $config, LoggerInterface $logger)
+ public function __construct(string $hostname, IConfig $config, LoggerInterface $logger)
{
if (!class_exists('Memcached', false)) {
throw new Exception('Memcached class isn\'t available');
}
});
- $this->firstServer = $memcached_hosts[0][0] ?? 'localhost';
- $this->firstPort = $memcached_hosts[0][1] ?? 11211;
+ $this->server = $memcached_hosts[0][0] ?? 'localhost';
+ $this->port = $memcached_hosts[0][1] ?? 11211;
$this->memcached->addServers($memcached_hosts);
*/
public function getAllKeys($prefix = null)
{
- $keys = $this->getOriginalKeys($this->getMemcachedKeys());
+ $keys = $this->getOriginalKeys($this->getMemcacheKeys());
return $this->filterArrayKeysByPrefix($keys, $prefix);
}
- /**
- * Get all memcached keys.
- * Special function because getAllKeys() is broken since memcached 1.4.23.
- *
- * cleaned up version of code found on Stackoverflow.com by Maduka Jayalath
- * @see https://stackoverflow.com/a/34724821
- *
- * @return array|int - all retrieved keys (or negative number on error)
- */
- private function getMemcachedKeys()
- {
- $mem = @fsockopen($this->firstServer, $this->firstPort);
- if ($mem === false) {
- return -1;
- }
-
- // retrieve distinct slab
- $r = @fwrite($mem, 'stats items' . chr(10));
- if ($r === false) {
- return -2;
- }
-
- $slab = [];
- while (($l = @fgets($mem, 1024)) !== false) {
- // finished?
- $l = trim($l);
- if ($l == 'END') {
- break;
- }
-
- $m = [];
- // <STAT items:22:evicted_nonzero 0>
- $r = preg_match('/^STAT\sitems\:(\d+)\:/', $l, $m);
- if ($r != 1) {
- return -3;
- }
- $a_slab = $m[1];
-
- if (!array_key_exists($a_slab, $slab)) {
- $slab[$a_slab] = [];
- }
- }
-
- reset($slab);
- foreach ($slab as $a_slab_key => &$a_slab) {
- $r = @fwrite($mem, 'stats cachedump ' . $a_slab_key . ' 100' . chr(10));
- if ($r === false) {
- return -4;
- }
-
- while (($l = @fgets($mem, 1024)) !== false) {
- // finished?
- $l = trim($l);
- if ($l == 'END') {
- break;
- }
-
- $m = [];
- // ITEM 42 [118 b; 1354717302 s]
- $r = preg_match('/^ITEM\s([^\s]+)\s/', $l, $m);
- if ($r != 1) {
- return -5;
- }
- $a_key = $m[1];
-
- $a_slab[] = $a_key;
- }
- }
-
- // close the connection
- @fclose($mem);
- unset($mem);
-
- $keys = [];
- reset($slab);
- foreach ($slab AS &$a_slab) {
- reset($a_slab);
- foreach ($a_slab AS &$a_key) {
- $keys[] = $a_key;
- }
- }
- unset($slab);
-
- return $keys;
- }
-
/**
* (@inheritdoc)
*/
/**
* (@inheritdoc)
*/
- public function set($key, $value, $ttl = Cache::FIVE_MINUTES)
+ public function set($key, $value, $ttl = Duration::FIVE_MINUTES)
{
$cachekey = $this->getCacheKey($key);
/**
* (@inheritdoc)
*/
- public function add($key, $value, $ttl = Cache::FIVE_MINUTES)
+ public function add($key, $value, $ttl = Duration::FIVE_MINUTES)
{
$cachekey = $this->getCacheKey($key);
return $this->memcached->add($cachekey, $value, $ttl);
*/
public function getName()
{
- return self::TYPE_MEMCACHED;
+ return Type::MEMCACHED;
}
}