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Rename *CacheDriver to *Cache because they don't act as driver anymore

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Philipp Holzer 2019-08-04 10:26:53 +02:00
parent d56bd28a07
commit 86bf2ee45a
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GPG key ID: D8365C3D36B77D90
38 changed files with 152 additions and 144 deletions
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151
src/Core/Cache/MemcacheCacheDriver.php
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@ -1,151 +0,0 @@
<?php
namespace Friendica\Core\Cache;
use Exception;
use Friendica\Core\Cache;
use Friendica\Core\Config\Configuration;
use Memcache;
/**
* Memcache Cache Driver
*
* @author Hypolite Petovan <hypolite@mrpetovan.com>
*/
class MemcacheCacheDriver extends AbstractCacheDriver implements IMemoryCacheDriver
{
use TraitCompareSet;
use TraitCompareDelete;
/**
* @var Memcache
*/
private $memcache;
/**
* @throws Exception
*/
public function __construct(string $hostname, Configuration $config)
{
if (!class_exists('Memcache', false)) {
throw new Exception('Memcache class isn\'t available');
}
parent::__construct($hostname);
$this->memcache = new Memcache();
$memcache_host = $config->get('system', 'memcache_host');
$memcache_port = $config->get('system', 'memcache_port');
if (!$this->memcache->connect($memcache_host, $memcache_port)) {
throw new Exception('Expected Memcache server at ' . $memcache_host . ':' . $memcache_port . ' isn\'t available');
}
}
/**
* (@inheritdoc)
*/
public function getAllKeys($prefix = null)
{
$keys = [];
$allSlabs = $this->memcache->getExtendedStats('slabs');
foreach ($allSlabs as $slabs) {
foreach (array_keys($slabs) as $slabId) {
$cachedump = $this->memcache->getExtendedStats('cachedump', (int)$slabId);
foreach ($cachedump as $key => $arrVal) {
if (!is_array($arrVal)) {
continue;
}
$keys = array_merge($keys, array_keys($arrVal));
}
}
}
$keys = $this->getOriginalKeys($keys);
return $this->filterArrayKeysByPrefix($keys, $prefix);
}
/**
* (@inheritdoc)
*/
public function get($key)
{
$return = null;
$cachekey = $this->getCacheKey($key);
// We fetch with the hostname as key to avoid problems with other applications
$cached = $this->memcache->get($cachekey);
// @see http://php.net/manual/en/memcache.get.php#84275
if (is_bool($cached) || is_double($cached) || is_long($cached)) {
return $return;
}
$value = @unserialize($cached);
// Only return a value if the serialized value is valid.
// We also check if the db entry is a serialized
// boolean 'false' value (which we want to return).
if ($cached === serialize(false) || $value !== false) {
$return = $value;
}
return $return;
}
/**
* (@inheritdoc)
*/
public function set($key, $value, $ttl = Cache::FIVE_MINUTES)
{
$cachekey = $this->getCacheKey($key);
// We store with the hostname as key to avoid problems with other applications
if ($ttl > 0) {
return $this->memcache->set(
$cachekey,
serialize($value),
MEMCACHE_COMPRESSED,
time() + $ttl
);
} else {
return $this->memcache->set(
$cachekey,
serialize($value),
MEMCACHE_COMPRESSED
);
}
}
/**
* (@inheritdoc)
*/
public function delete($key)
{
$cachekey = $this->getCacheKey($key);
return $this->memcache->delete($cachekey);
}
/**
* (@inheritdoc)
*/
public function clear($outdated = true)
{
if ($outdated) {
return true;
} else {
return $this->memcache->flush();
}
}
/**
* (@inheritdoc)
*/
public function add($key, $value, $ttl = Cache::FIVE_MINUTES)
{
$cachekey = $this->getCacheKey($key);
return $this->memcache->add($cachekey, serialize($value), MEMCACHE_COMPRESSED, $ttl);
}
}