Verzeichnisstruktur phpBB-3.3.15
- Veröffentlicht
- 28.08.2024
So funktioniert es
|
|
Auf das letzte Element klicken. Dies geht jeweils ein Schritt zurück |
Auf das Icon klicken, dies öffnet das Verzeichnis. Nochmal klicken schließt das Verzeichnis. |
|
|
(Beispiel Datei-Icons)
|
Auf das Icon klicken um den Quellcode anzuzeigen |
memcached.php
001 <?php
002 /**
003 *
004 * This file is part of the phpBB Forum Software package.
005 *
006 * @copyright (c) phpBB Limited <https://www.phpbb.com>
007 * @license GNU General Public License, version 2 (GPL-2.0)
008 *
009 * For full copyright and license information, please see
010 * the docs/CREDITS.txt file.
011 *
012 */
013
014 namespace phpbb\cache\driver;
015
016 if (!defined('PHPBB_ACM_MEMCACHED_PORT'))
017 {
018 define('PHPBB_ACM_MEMCACHED_PORT', 11211);
019 }
020
021 if (!defined('PHPBB_ACM_MEMCACHED_COMPRESS'))
022 {
023 define('PHPBB_ACM_MEMCACHED_COMPRESS', true);
024 }
025
026 if (!defined('PHPBB_ACM_MEMCACHED_HOST'))
027 {
028 define('PHPBB_ACM_MEMCACHED_HOST', 'localhost');
029 }
030
031 if (!defined('PHPBB_ACM_MEMCACHED'))
032 {
033 //can define multiple servers with host1/port1,host2/port2 format
034 define('PHPBB_ACM_MEMCACHED', PHPBB_ACM_MEMCACHED_HOST . '/' . PHPBB_ACM_MEMCACHED_PORT);
035 }
036
037 /**
038 * ACM for Memcached
039 */
040 class memcached extends \phpbb\cache\driver\memory
041 {
042 /** @var string Extension to use */
043 protected $extension = 'memcached';
044
045 /** @var \Memcached Memcached class */
046 protected $memcached;
047
048 /** @var int Flags */
049 protected $flags = 0;
050
051 /**
052 * Memcached constructor
053 *
054 * @param string $memcached_servers Memcached servers string (optional)
055 */
056 public function __construct($memcached_servers = '')
057 {
058 // Call the parent constructor
059 parent::__construct();
060
061 $memcached_servers = $memcached_servers ?: PHPBB_ACM_MEMCACHED;
062
063 $this->memcached = new \Memcached();
064 $this->memcached->setOption(\Memcached::OPT_BINARY_PROTOCOL, true);
065 // Memcached defaults to using compression, disable if we don't want
066 // to use it
067 if (!PHPBB_ACM_MEMCACHED_COMPRESS)
068 {
069 $this->memcached->setOption(\Memcached::OPT_COMPRESSION, false);
070 }
071
072 $server_list = [];
073 foreach (explode(',', $memcached_servers) as $u)
074 {
075 if (preg_match('#(.*)/(\d+)#', $u, $parts))
076 {
077 $server_list[] = [trim($parts[1]), (int) trim($parts[2])];
078 }
079 }
080
081 $this->memcached->addServers($server_list);
082
083 if (empty($server_list) || empty($this->memcached->getStats()))
084 {
085 trigger_error('Could not connect to memcached server(s).');
086 }
087 }
088
089 /**
090 * {@inheritDoc}
091 */
092 public function unload()
093 {
094 parent::unload();
095
096 unset($this->memcached);
097 }
098
099 /**
100 * {@inheritDoc}
101 */
102 public function purge()
103 {
104 $this->memcached->flush();
105
106 parent::purge();
107 }
108
109 /**
110 * Fetch an item from the cache
111 *
112 * @param string $var Cache key
113 *
114 * @return mixed Cached data
115 */
116 protected function _read($var)
117 {
118 return $this->memcached->get($this->key_prefix . $var);
119 }
120
121 /**
122 * Store data in the cache
123 *
124 * @param string $var Cache key
125 * @param mixed $data Data to store
126 * @param int $ttl Time-to-live of cached data
127 * @return bool True if the operation succeeded
128 */
129 protected function _write($var, $data, $ttl = 2592000)
130 {
131 if (!$this->memcached->replace($this->key_prefix . $var, $data, $ttl))
132 {
133 return $this->memcached->set($this->key_prefix . $var, $data, $ttl);
134 }
135 return true;
136 }
137
138 /**
139 * Remove an item from the cache
140 *
141 * @param string $var Cache key
142 * @return bool True if the operation succeeded
143 */
144 protected function _delete($var)
145 {
146 return $this->memcached->delete($this->key_prefix . $var);
147 }
148 }
149