-<?php\r
-\r
-namespace Friendica\Core\Cache;\r
-\r
-use Friendica\BaseObject;\r
-use Friendica\Core\Cache;\r
-\r
-/**\r
- * Memcache Cache Driver\r
- *\r
- * @author Hypolite Petovan <mrpetovan@gmail.com>\r
- */\r
-class MemcacheCacheDriver extends BaseObject implements ICacheDriver\r
-{\r
- /**\r
- * @var Memcache\r
- */\r
- private $memcache;\r
-\r
- public function __construct($memcache_host, $memcache_port)\r
- {\r
- if (!class_exists('Memcache', false)) {\r
- throw new \Exception('Memcache class isn\'t available');\r
- }\r
-\r
- $this->memcache = new \Memcache();\r
-\r
- if (!$this->memcache->connect($memcache_host, $memcache_port)) {\r
- throw new \Exception('Expected Memcache server at ' . $memcache_host . ':' . $memcache_port . ' isn\'t available');\r
- }\r
- }\r
-\r
- public function get($key)\r
- {\r
- $return = null;\r
-\r
- // We fetch with the hostname as key to avoid problems with other applications\r
- $cached = $this->memcache->get(self::getApp()->get_hostname() . ':' . $key);\r
-\r
- // @see http://php.net/manual/en/memcache.get.php#84275\r
- if (is_bool($cached) || is_double($cached) || is_long($cached)) {\r
- return $return;\r
- }\r
-\r
- $value = @unserialize($cached);\r
-\r
- // Only return a value if the serialized value is valid.\r
- // We also check if the db entry is a serialized\r
- // boolean 'false' value (which we want to return).\r
- if ($cached === serialize(false) || $value !== false) {\r
- $return = $value;\r
- }\r
-\r
- return $return;\r
- }\r
-\r
- public function set($key, $value, $duration = Cache::MONTH)\r
- {\r
- // We store with the hostname as key to avoid problems with other applications\r
- return $this->memcache->set(\r
- self::getApp()->get_hostname() . ":" . $key,\r
- serialize($value),\r
- MEMCACHE_COMPRESSED,\r
- time() + $duration\r
- );\r
- }\r
-\r
- public function delete($key)\r
- {\r
- return $this->memcache->delete($key);\r
- }\r
-\r
- public function clear()\r
- {\r
- return true;\r
- }\r
-}\r
+<?php
+
+namespace Friendica\Core\Cache;
+
+use Friendica\Core\Cache;
+
+use Exception;
+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;
+
+ /**
+ * @param string $memcache_host
+ * @param int $memcache_port
+ * @throws Exception
+ */
+ public function __construct($memcache_host, $memcache_port)
+ {
+ if (!class_exists('Memcache', false)) {
+ throw new Exception('Memcache class isn\'t available');
+ }
+
+ $this->memcache = new Memcache();
+
+ if (!$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);
+ }
+}
projects / friendica.git / blobdiff