Improve redis configuration

[friendica.git] / src / Core / Cache / MemcacheCacheDriver.php

diff --git a/src/Core/Cache/MemcacheCacheDriver.php b/src/Core/Cache/MemcacheCacheDriver.php
index 1537be25b202a1e96515362a76dc9260c18d98a6..fd928c6fcc15ed2a5245f2bca27c664a6f696531 100644 (file)
--- a/src/Core/Cache/MemcacheCacheDriver.php
+++ b/src/Core/Cache/MemcacheCacheDriver.php
@@ -2,40 +2,78 @@
 
 namespace Friendica\Core\Cache;
 
-use Friendica\BaseObject;
 use Friendica\Core\Cache;
 
+use Exception;
+use Memcache;
+
 /**
  * Memcache Cache Driver
  *
- * @author Hypolite Petovan <mrpetovan@gmail.com>
+ * @author Hypolite Petovan <hypolite@mrpetovan.com>
  */
-class MemcacheCacheDriver extends BaseObject implements ICacheDriver
+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');
+                       throw new Exception('Memcache class isn\'t available');
                }
 
-               $this->memcache = new \Memcache();
+               $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');
+                       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(self::getApp()->get_hostname() . ':' . $key);
+               $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)) {
@@ -54,24 +92,57 @@ class MemcacheCacheDriver extends BaseObject implements ICacheDriver
                return $return;
        }
 
-       public function set($key, $value, $duration = Cache::MONTH)
+       /**
+        * (@inheritdoc)
+        */
+       public function set($key, $value, $ttl = Cache::FIVE_MINUTES)
        {
+               $cachekey = $this->getCacheKey($key);
+
                // We store with the hostname as key to avoid problems with other applications
-               return $this->memcache->set(
-                       self::getApp()->get_hostname() . ":" . $key,
-                       serialize($value),
-                       MEMCACHE_COMPRESSED,
-                       time() + $duration
-               );
+               if ($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)
        {
-               return $this->memcache->delete($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();
+               }
        }
 
-       public function clear()
+       /**
+        * (@inheritdoc)
+        */
+       public function add($key, $value, $ttl = Cache::FIVE_MINUTES)
        {
-               return true;
+               $cachekey = $this->getCacheKey($key);
+               return $this->memcache->add($cachekey, serialize($value), MEMCACHE_COMPRESSED, $ttl);
        }
 }