use Friendica\Core\Cache;
+use Exception;
+use Memcached;
+
/**
* Memcached Cache Driver
*
- * @author Hypolite Petovan <mrpetovan@gmail.com>
+ * @author Hypolite Petovan <hypolite@mrpetovan.com>
*/
class MemcachedCacheDriver extends AbstractCacheDriver implements IMemoryCacheDriver
{
*/
private $memcached;
+ /**
+ * Due to limitations of the INI format, the expected configuration for Memcached servers is the following:
+ * array {
+ * 0 => "hostname, port(, weight)",
+ * 1 => ...
+ * }
+ *
+ * @param array $memcached_hosts
+ * @throws \Exception
+ */
public function __construct(array $memcached_hosts)
{
if (!class_exists('Memcached', false)) {
- throw new \Exception('Memcached class isn\'t available');
+ throw new Exception('Memcached class isn\'t available');
}
- $this->memcached = new \Memcached();
+ $this->memcached = new Memcached();
+
+ array_walk($memcached_hosts, function (&$value) {
+ if (is_string($value)) {
+ $value = array_map('trim', explode(',', $value));
+ }
+ });
$this->memcached->addServers($memcached_hosts);
if (count($this->memcached->getServerList()) == 0) {
- throw new \Exception('Expected Memcached servers aren\'t available, config:' . var_export($memcached_hosts, true));
+ throw new Exception('Expected Memcached servers aren\'t available, config:' . var_export($memcached_hosts, true));
}
}
// We fetch with the hostname as key to avoid problems with other applications
$value = $this->memcached->get($cachekey);
- if ($this->memcached->getResultCode() === \Memcached::RES_SUCCESS) {
+ if ($this->memcached->getResultCode() === Memcached::RES_SUCCESS) {
$return = $value;
}
return $this->memcached->set(
$cachekey,
$value,
- time() + $ttl
+ $ttl
);
} else {
return $this->memcached->set(
return $this->memcached->delete($cachekey);
}
- public function clear()
+ public function clear($outdated = true)
{
- return true;
+ if ($outdated) {
+ return true;
+ } else {
+ return $this->memcached->flush();
+ }
}
/**