Check that provided class implements IStorage in StorageManager::setBackend

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

diff --git a/src/Core/Cache.php b/src/Core/Cache.php
index 4202db325c411c38b7852321af769bfb0f09d33c..cadb2444b50e4debee4b9eff7a9f55d6e47f1d60 100644 (file)
--- a/src/Core/Cache.php
+++ b/src/Core/Cache.php
@@ -4,8 +4,7 @@
  */
 namespace Friendica\Core;
 
-use Friendica\Core\Cache;
-use Friendica\Core\Config;
+use Friendica\Core\Cache\CacheDriverFactory;
 
 /**
  * @brief Class for storing data for a short time
@@ -20,35 +19,20 @@ class Cache extends \Friendica\BaseObject
        const QUARTER_HOUR = 900;
        const FIVE_MINUTES = 300;
        const MINUTE       = 60;
+       const INFINITE     = 0;
 
        /**
         * @var Cache\ICacheDriver
         */
-       static $driver = null;
+       private static $driver       = null;
+       public  static $driver_class = null;
+       public  static $driver_name  = null;
 
        public static function init()
        {
-               switch(Config::get('system', 'cache_driver', 'database')) {
-                       case 'memcache':
-                               $memcache_host = Config::get('system', 'memcache_host', '127.0.0.1');
-                               $memcache_port = Config::get('system', 'memcache_port', 11211);
-
-                               self::$driver = new Cache\MemcacheCacheDriver($memcache_host, $memcache_port);
-                               break;
-                       case 'memcached':
-                               $memcached_hosts = Config::get('system', 'memcached_hosts', [['127.0.0.1', 11211]]);
-
-                               self::$driver = new Cache\MemcachedCacheDriver($memcached_hosts);
-                               break;
-                       case 'redis':
-                               $redis_host = Config::get('system', 'redis_host', '127.0.0.1');
-                               $redis_port = Config::get('system', 'redis_port', 6379);
-
-                               self::$driver = new Cache\RedisCacheDriver($redis_host, $redis_port);
-                               break;
-                       default:
-                               self::$driver = new Cache\DatabaseCacheDriver();
-               }
+               self::$driver_name  = Config::get('system', 'cache_driver', 'database');
+               self::$driver       = CacheDriverFactory::create(self::$driver_name);
+               self::$driver_class = get_class(self::$driver);
        }
 
        /**
@@ -65,12 +49,32 @@ class Cache extends \Friendica\BaseObject
                return self::$driver;
        }
 
+       /**
+        * @brief Returns all the cache keys sorted alphabetically
+        *
+        * @param string $prefix Prefix of the keys (optional)
+        *
+        * @return array Empty if the driver doesn't support this feature
+        * @throws \Exception
+        */
+       public static function getAllKeys($prefix = null)
+       {
+               $time = microtime(true);
+
+               $return = self::getDriver()->getAllKeys($prefix);
+
+               self::getApp()->getProfiler()->saveTimestamp($time, 'cache', System::callstack());
+
+               return $return;
+       }
+
        /**
         * @brief Fetch cached data according to the key
         *
         * @param string $key The key to the cached data
         *
         * @return mixed Cached $value or "null" if not found
+        * @throws \Exception
         */
        public static function get($key)
        {
@@ -78,7 +82,7 @@ class Cache extends \Friendica\BaseObject
 
                $return = self::getDriver()->get($key);
 
-               self::getApp()->save_timestamp($time, 'cache');
+               self::getApp()->getProfiler()->saveTimestamp($time, 'cache', System::callstack());
 
                return $return;
        }
@@ -93,6 +97,7 @@ class Cache extends \Friendica\BaseObject
         * @param integer $duration The cache lifespan
         *
         * @return bool
+        * @throws \Exception
         */
        public static function set($key, $value, $duration = self::MONTH)
        {
@@ -100,7 +105,7 @@ class Cache extends \Friendica\BaseObject
 
                $return = self::getDriver()->set($key, $value, $duration);
 
-               self::getApp()->save_timestamp($time, 'cache_write');
+               self::getApp()->getProfiler()->saveTimestamp($time, 'cache_write', System::callstack());
 
                return $return;
        }
@@ -111,6 +116,7 @@ class Cache extends \Friendica\BaseObject
         * @param string $key The key to the cached data
         *
         * @return bool
+        * @throws \Exception
         */
        public static function delete($key)
        {
@@ -118,7 +124,7 @@ class Cache extends \Friendica\BaseObject
 
                $return = self::getDriver()->delete($key);
 
-               self::getApp()->save_timestamp($time, 'cache_write');
+               self::getApp()->getProfiler()->saveTimestamp($time, 'cache_write', System::callstack());
 
                return $return;
        }
@@ -126,12 +132,12 @@ class Cache extends \Friendica\BaseObject
        /**
         * @brief Remove outdated data from the cache
         *
-        * @param integer $max_level The maximum cache level that is to be cleared
+        * @param boolean $outdated just remove outdated values
         *
-        * @return void
+        * @return bool
         */
-       public static function clear()
+       public static function clear($outdated = true)
        {
-               return self::getDriver()->clear();
+               return self::getDriver()->clear($outdated);
        }
 }