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(#409) Do not use Memcached if it switched off via config

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This commit is contained in:
Ilya Stromberg 2013-07-11 19:11:03 +04:00
parent 96050b48df
commit 15e89ad4d3
1 changed files with 18 additions and 6 deletions
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22
public/include/classes/statscache.class.php
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@ -9,12 +9,16 @@ if (!defined('SECURITY'))
* Can be enabled or disabled through site configuration * Can be enabled or disabled through site configuration
* Also sets a default time if no time is passed to it to enforce caching * Also sets a default time if no time is passed to it to enforce caching
**/ **/
class StatsCache extends Memcached { class StatsCache {
private $cache;
public function __construct($config, $debug) { public function __construct($config, $debug) {
$this->config = $config; $this->config = $config;
$this->debug = $debug; $this->debug = $debug;
if (! $config['memcache']['enabled'] ) $this->debug->append("Not storing any values in memcache"); if (! $config['memcache']['enabled'] ) {
return parent::__construct(); $this->debug->append("Not storing any values in memcache");
}
else { $this->cache = new Memcached(); }
} }
/** /**
@ -26,7 +30,7 @@ class StatsCache extends Memcached {
if (empty($expiration)) if (empty($expiration))
$expiration = $this->config['memcache']['expiration'] + rand( -$this->config['memcache']['splay'], $this->config['memcache']['splay']); $expiration = $this->config['memcache']['expiration'] + rand( -$this->config['memcache']['splay'], $this->config['memcache']['splay']);
$this->debug->append("Storing " . $this->config['memcache']['keyprefix'] . "$key with expiration $expiration", 3); $this->debug->append("Storing " . $this->config['memcache']['keyprefix'] . "$key with expiration $expiration", 3);
return parent::set($this->config['memcache']['keyprefix'] . $key, $value, $expiration); return $this->cache->set($this->config['memcache']['keyprefix'] . $key, $value, $expiration);
} }
/** /**
@ -36,7 +40,7 @@ class StatsCache extends Memcached {
public function get($key, $cache_cb = NULL, &$cas_token = NULL) { public function get($key, $cache_cb = NULL, &$cas_token = NULL) {
if (! $this->config['memcache']['enabled']) return false; if (! $this->config['memcache']['enabled']) return false;
$this->debug->append("Trying to fetch key " . $this->config['memcache']['keyprefix'] . "$key from cache", 3); $this->debug->append("Trying to fetch key " . $this->config['memcache']['keyprefix'] . "$key from cache", 3);
if ($data = parent::get($this->config['memcache']['keyprefix'].$key)) { if ($data = $this->cache->get($this->config['memcache']['keyprefix'].$key)) {
$this->debug->append("Found key in cache", 3); $this->debug->append("Found key in cache", 3);
return $data; return $data;
} else { } else {
@ -56,6 +60,14 @@ class StatsCache extends Memcached {
return $data; return $data;
} }
/**
* This method is invoked if the called method was not realised in this class
**/
public function __call($name, $arguments) {
if (! $this->config['memcache']['enabled']) return false;
//Invoke method $name of $this->cache class with array of $arguments
return call_user_func_array(array($this->cache, $name), $arguments);
}
} }
$memcache = new StatsCache($config, $debug); $memcache = new StatsCache($config, $debug);