nextcloud / server

lib/private/Memcache/Cache.php

Indentation +56 added lines, -56 removed lines

@@ -26,72 +26,72 @@
 namespace OC\Memcache;
 
 abstract class Cache implements \ArrayAccess, \OCP\ICache {
-	/**
-	 * @var string $prefix
-	 */
-	protected $prefix;
+    /**
+     * @var string $prefix
+     */
+    protected $prefix;
 
-	/**
-	 * @param string $prefix
-	 */
-	public function __construct($prefix = '') {
-		$this->prefix = $prefix;
-	}
+    /**
+     * @param string $prefix
+     */
+    public function __construct($prefix = '') {
+        $this->prefix = $prefix;
+    }
 
-	/**
-	 * @return string Prefix used for caching purposes
-	 */
-	public function getPrefix() {
-		return $this->prefix;
-	}
+    /**
+     * @return string Prefix used for caching purposes
+     */
+    public function getPrefix() {
+        return $this->prefix;
+    }
 
-	/**
-	 * @param string $key
-	 * @return mixed
-	 */
-	abstract public function get($key);
+    /**
+     * @param string $key
+     * @return mixed
+     */
+    abstract public function get($key);
 
-	/**
-	 * @param string $key
-	 * @param mixed $value
-	 * @param int $ttl
-	 * @return mixed
-	 */
-	abstract public function set($key, $value, $ttl = 0);
+    /**
+     * @param string $key
+     * @param mixed $value
+     * @param int $ttl
+     * @return mixed
+     */
+    abstract public function set($key, $value, $ttl = 0);
 
-	/**
-	 * @param string $key
-	 * @return mixed
-	 */
-	abstract public function hasKey($key);
+    /**
+     * @param string $key
+     * @return mixed
+     */
+    abstract public function hasKey($key);
 
-	/**
-	 * @param string $key
-	 * @return mixed
-	 */
-	abstract public function remove($key);
+    /**
+     * @param string $key
+     * @return mixed
+     */
+    abstract public function remove($key);
 
-	/**
-	 * @param string $prefix
-	 * @return mixed
-	 */
-	abstract public function clear($prefix = '');
+    /**
+     * @param string $prefix
+     * @return mixed
+     */
+    abstract public function clear($prefix = '');
 
-	//implement the ArrayAccess interface
+    //implement the ArrayAccess interface
 
-	public function offsetExists($offset) {
-		return $this->hasKey($offset);
-	}
+    public function offsetExists($offset) {
+        return $this->hasKey($offset);
+    }
 
-	public function offsetSet($offset, $value) {
-		$this->set($offset, $value);
-	}
+    public function offsetSet($offset, $value) {
+        $this->set($offset, $value);
+    }
 
-	public function offsetGet($offset) {
-		return $this->get($offset);
-	}
+    public function offsetGet($offset) {
+        return $this->get($offset);
+    }
 
-	public function offsetUnset($offset) {
-		$this->remove($offset);
-	}
+    public function offsetUnset($offset) {
+        $this->remove($offset);
+    }
 }

lib/private/Memcache/APCu.php

Indentation +125 added lines, -125 removed lines

@@ -30,140 +30,140 @@
 use OCP\IMemcache;
 
 class APCu extends Cache implements IMemcache {
-	use CASTrait {
-		cas as casEmulated;
-	}
+    use CASTrait {
+        cas as casEmulated;
+    }
 
-	use CADTrait;
+    use CADTrait;
 
-	public function get($key) {
-		$result = apcu_fetch($this->getPrefix() . $key, $success);
-		if (!$success) {
-			return null;
-		}
-		return $result;
-	}
+    public function get($key) {
+        $result = apcu_fetch($this->getPrefix() . $key, $success);
+        if (!$success) {
+            return null;
+        }
+        return $result;
+    }
 
-	public function set($key, $value, $ttl = 0) {
-		return apcu_store($this->getPrefix() . $key, $value, $ttl);
-	}
+    public function set($key, $value, $ttl = 0) {
+        return apcu_store($this->getPrefix() . $key, $value, $ttl);
+    }
 
-	public function hasKey($key) {
-		return apcu_exists($this->getPrefix() . $key);
-	}
+    public function hasKey($key) {
+        return apcu_exists($this->getPrefix() . $key);
+    }
 
-	public function remove($key) {
-		return apcu_delete($this->getPrefix() . $key);
-	}
+    public function remove($key) {
+        return apcu_delete($this->getPrefix() . $key);
+    }
 
-	public function clear($prefix = '') {
-		$ns = $this->getPrefix() . $prefix;
-		$ns = preg_quote($ns, '/');
-		if(class_exists('\APCIterator')) {
-			$iter = new \APCIterator('user', '/^' . $ns . '/', APC_ITER_KEY);
-		} else {
-			$iter = new \APCUIterator('/^' . $ns . '/', APC_ITER_KEY);
-		}
-		return apcu_delete($iter);
-	}
+    public function clear($prefix = '') {
+        $ns = $this->getPrefix() . $prefix;
+        $ns = preg_quote($ns, '/');
+        if(class_exists('\APCIterator')) {
+            $iter = new \APCIterator('user', '/^' . $ns . '/', APC_ITER_KEY);
+        } else {
+            $iter = new \APCUIterator('/^' . $ns . '/', APC_ITER_KEY);
+        }
+        return apcu_delete($iter);
+    }
 
-	/**
-	 * Set a value in the cache if it's not already stored
-	 *
-	 * @param string $key
-	 * @param mixed $value
-	 * @param int $ttl Time To Live in seconds. Defaults to 60*60*24
-	 * @return bool
-	 */
-	public function add($key, $value, $ttl = 0) {
-		return apcu_add($this->getPrefix() . $key, $value, $ttl);
-	}
+    /**
+     * Set a value in the cache if it's not already stored
+     *
+     * @param string $key
+     * @param mixed $value
+     * @param int $ttl Time To Live in seconds. Defaults to 60*60*24
+     * @return bool
+     */
+    public function add($key, $value, $ttl = 0) {
+        return apcu_add($this->getPrefix() . $key, $value, $ttl);
+    }
 
-	/**
-	 * Increase a stored number
-	 *
-	 * @param string $key
-	 * @param int $step
-	 * @return int | bool
-	 */
-	public function inc($key, $step = 1) {
-		$this->add($key, 0);
-		/**
-		 * TODO - hack around a PHP 7 specific issue in APCu
-		 *
-		 * on PHP 7 the apcu_inc method on a non-existing object will increment
-		 * "0" and result in "1" as value - therefore we check for existence
-		 * first
-		 *
-		 * on PHP 5.6 this is not the case
-		 *
-		 * see https://github.com/krakjoe/apcu/issues/183#issuecomment-244038221
-		 * for details
-		 */
-		return apcu_exists($this->getPrefix() . $key)
-			? apcu_inc($this->getPrefix() . $key, $step)
-			: false;
-	}
+    /**
+     * Increase a stored number
+     *
+     * @param string $key
+     * @param int $step
+     * @return int | bool
+     */
+    public function inc($key, $step = 1) {
+        $this->add($key, 0);
+        /**
+         * TODO - hack around a PHP 7 specific issue in APCu
+         *
+         * on PHP 7 the apcu_inc method on a non-existing object will increment
+         * "0" and result in "1" as value - therefore we check for existence
+         * first
+         *
+         * on PHP 5.6 this is not the case
+         *
+         * see https://github.com/krakjoe/apcu/issues/183#issuecomment-244038221
+         * for details
+         */
+        return apcu_exists($this->getPrefix() . $key)
+            ? apcu_inc($this->getPrefix() . $key, $step)
+            : false;
+    }
 
-	/**
-	 * Decrease a stored number
-	 *
-	 * @param string $key
-	 * @param int $step
-	 * @return int | bool
-	 */
-	public function dec($key, $step = 1) {
-		/**
-		 * TODO - hack around a PHP 7 specific issue in APCu
-		 *
-		 * on PHP 7 the apcu_dec method on a non-existing object will decrement
-		 * "0" and result in "-1" as value - therefore we check for existence
-		 * first
-		 *
-		 * on PHP 5.6 this is not the case
-		 *
-		 * see https://github.com/krakjoe/apcu/issues/183#issuecomment-244038221
-		 * for details
-		 */
-		return apcu_exists($this->getPrefix() . $key)
-			? apcu_dec($this->getPrefix() . $key, $step)
-			: false;
-	}
+    /**
+     * Decrease a stored number
+     *
+     * @param string $key
+     * @param int $step
+     * @return int | bool
+     */
+    public function dec($key, $step = 1) {
+        /**
+         * TODO - hack around a PHP 7 specific issue in APCu
+         *
+         * on PHP 7 the apcu_dec method on a non-existing object will decrement
+         * "0" and result in "-1" as value - therefore we check for existence
+         * first
+         *
+         * on PHP 5.6 this is not the case
+         *
+         * see https://github.com/krakjoe/apcu/issues/183#issuecomment-244038221
+         * for details
+         */
+        return apcu_exists($this->getPrefix() . $key)
+            ? apcu_dec($this->getPrefix() . $key, $step)
+            : false;
+    }
 
-	/**
-	 * Compare and set
-	 *
-	 * @param string $key
-	 * @param mixed $old
-	 * @param mixed $new
-	 * @return bool
-	 */
-	public function cas($key, $old, $new) {
-		// apc only does cas for ints
-		if (is_int($old) and is_int($new)) {
-			return apcu_cas($this->getPrefix() . $key, $old, $new);
-		} else {
-			return $this->casEmulated($key, $old, $new);
-		}
-	}
+    /**
+     * Compare and set
+     *
+     * @param string $key
+     * @param mixed $old
+     * @param mixed $new
+     * @return bool
+     */
+    public function cas($key, $old, $new) {
+        // apc only does cas for ints
+        if (is_int($old) and is_int($new)) {
+            return apcu_cas($this->getPrefix() . $key, $old, $new);
+        } else {
+            return $this->casEmulated($key, $old, $new);
+        }
+    }
 
-	/**
-	 * @return bool
-	 */
-	static public function isAvailable() {
-		if (!extension_loaded('apcu')) {
-			return false;
-		} elseif (!\OC::$server->getIniWrapper()->getBool('apc.enabled')) {
-			return false;
-		} elseif (!\OC::$server->getIniWrapper()->getBool('apc.enable_cli') && \OC::$CLI) {
-			return false;
-		} elseif (
-				version_compare(phpversion('apc'), '4.0.6') === -1 &&
-				version_compare(phpversion('apcu'), '5.1.0') === -1
-		) {
-			return false;
-		} else {
-			return true;
-		}
-	}
+    /**
+     * @return bool
+     */
+    static public function isAvailable() {
+        if (!extension_loaded('apcu')) {
+            return false;
+        } elseif (!\OC::$server->getIniWrapper()->getBool('apc.enabled')) {
+            return false;
+        } elseif (!\OC::$server->getIniWrapper()->getBool('apc.enable_cli') && \OC::$CLI) {
+            return false;
+        } elseif (
+                version_compare(phpversion('apc'), '4.0.6') === -1 &&
+                version_compare(phpversion('apcu'), '5.1.0') === -1
+        ) {
+            return false;
+        } else {
+            return true;
+        }
+    }
 }

lib/private/Memcache/CADTrait.php

Indentation +25 added lines, -25 removed lines

@@ -23,32 +23,32 @@
 namespace OC\Memcache;
 
 trait CADTrait {
-	abstract public function get($key);
+    abstract public function get($key);
 
-	abstract public function remove($key);
+    abstract public function remove($key);
 
-	abstract public function add($key, $value, $ttl = 0);
+    abstract public function add($key, $value, $ttl = 0);
 
-	/**
-	 * Compare and delete
-	 *
-	 * @param string $key
-	 * @param mixed $old
-	 * @return bool
-	 */
-	public function cad($key, $old) {
-		//no native cas, emulate with locking
-		if ($this->add($key . '_lock', true)) {
-			if ($this->get($key) === $old) {
-				$this->remove($key);
-				$this->remove($key . '_lock');
-				return true;
-			} else {
-				$this->remove($key . '_lock');
-				return false;
-			}
-		} else {
-			return false;
-		}
-	}
+    /**
+     * Compare and delete
+     *
+     * @param string $key
+     * @param mixed $old
+     * @return bool
+     */
+    public function cad($key, $old) {
+        //no native cas, emulate with locking
+        if ($this->add($key . '_lock', true)) {
+            if ($this->get($key) === $old) {
+                $this->remove($key);
+                $this->remove($key . '_lock');
+                return true;
+            } else {
+                $this->remove($key . '_lock');
+                return false;
+            }
+        } else {
+            return false;
+        }
+    }
 }

lib/private/Memcache/ArrayCache.php

Indentation +117 added lines, -117 removed lines

@@ -27,133 +27,133 @@
 use OCP\IMemcache;
 
 class ArrayCache extends Cache implements IMemcache {
-	/** @var array Array with the cached data */
-	protected $cachedData = array();
+    /** @var array Array with the cached data */
+    protected $cachedData = array();
 
-	use CADTrait;
+    use CADTrait;
 
-	/**
-	 * {@inheritDoc}
-	 */
-	public function get($key) {
-		if ($this->hasKey($key)) {
-			return $this->cachedData[$key];
-		}
-		return null;
-	}
+    /**
+     * {@inheritDoc}
+     */
+    public function get($key) {
+        if ($this->hasKey($key)) {
+            return $this->cachedData[$key];
+        }
+        return null;
+    }
 
-	/**
-	 * {@inheritDoc}
-	 */
-	public function set($key, $value, $ttl = 0) {
-		$this->cachedData[$key] = $value;
-		return true;
-	}
+    /**
+     * {@inheritDoc}
+     */
+    public function set($key, $value, $ttl = 0) {
+        $this->cachedData[$key] = $value;
+        return true;
+    }
 
-	/**
-	 * {@inheritDoc}
-	 */
-	public function hasKey($key) {
-		return isset($this->cachedData[$key]);
-	}
+    /**
+     * {@inheritDoc}
+     */
+    public function hasKey($key) {
+        return isset($this->cachedData[$key]);
+    }
 
-	/**
-	 * {@inheritDoc}
-	 */
-	public function remove($key) {
-		unset($this->cachedData[$key]);
-		return true;
-	}
+    /**
+     * {@inheritDoc}
+     */
+    public function remove($key) {
+        unset($this->cachedData[$key]);
+        return true;
+    }
 
-	/**
-	 * {@inheritDoc}
-	 */
-	public function clear($prefix = '') {
-		if ($prefix === '') {
-			$this->cachedData = [];
-			return true;
-		}
+    /**
+     * {@inheritDoc}
+     */
+    public function clear($prefix = '') {
+        if ($prefix === '') {
+            $this->cachedData = [];
+            return true;
+        }
 
-		foreach ($this->cachedData as $key => $value) {
-			if (strpos($key, $prefix) === 0) {
-				$this->remove($key);
-			}
-		}
-		return true;
-	}
+        foreach ($this->cachedData as $key => $value) {
+            if (strpos($key, $prefix) === 0) {
+                $this->remove($key);
+            }
+        }
+        return true;
+    }
 
-	/**
-	 * Set a value in the cache if it's not already stored
-	 *
-	 * @param string $key
-	 * @param mixed $value
-	 * @param int $ttl Time To Live in seconds. Defaults to 60*60*24
-	 * @return bool
-	 */
-	public function add($key, $value, $ttl = 0) {
-		// since this cache is not shared race conditions aren't an issue
-		if ($this->hasKey($key)) {
-			return false;
-		} else {
-			return $this->set($key, $value, $ttl);
-		}
-	}
+    /**
+     * Set a value in the cache if it's not already stored
+     *
+     * @param string $key
+     * @param mixed $value
+     * @param int $ttl Time To Live in seconds. Defaults to 60*60*24
+     * @return bool
+     */
+    public function add($key, $value, $ttl = 0) {
+        // since this cache is not shared race conditions aren't an issue
+        if ($this->hasKey($key)) {
+            return false;
+        } else {
+            return $this->set($key, $value, $ttl);
+        }
+    }
 
-	/**
-	 * Increase a stored number
-	 *
-	 * @param string $key
-	 * @param int $step
-	 * @return int | bool
-	 */
-	public function inc($key, $step = 1) {
-		$oldValue = $this->get($key);
-		if (is_int($oldValue)) {
-			$this->set($key, $oldValue + $step);
-			return $oldValue + $step;
-		} else {
-			$success = $this->add($key, $step);
-			return ($success) ? $step : false;
-		}
-	}
+    /**
+     * Increase a stored number
+     *
+     * @param string $key
+     * @param int $step
+     * @return int | bool
+     */
+    public function inc($key, $step = 1) {
+        $oldValue = $this->get($key);
+        if (is_int($oldValue)) {
+            $this->set($key, $oldValue + $step);
+            return $oldValue + $step;
+        } else {
+            $success = $this->add($key, $step);
+            return ($success) ? $step : false;
+        }
+    }
 
-	/**
-	 * Decrease a stored number
-	 *
-	 * @param string $key
-	 * @param int $step
-	 * @return int | bool
-	 */
-	public function dec($key, $step = 1) {
-		$oldValue = $this->get($key);
-		if (is_int($oldValue)) {
-			$this->set($key, $oldValue - $step);
-			return $oldValue - $step;
-		} else {
-			return false;
-		}
-	}
+    /**
+     * Decrease a stored number
+     *
+     * @param string $key
+     * @param int $step
+     * @return int | bool
+     */
+    public function dec($key, $step = 1) {
+        $oldValue = $this->get($key);
+        if (is_int($oldValue)) {
+            $this->set($key, $oldValue - $step);
+            return $oldValue - $step;
+        } else {
+            return false;
+        }
+    }
 
-	/**
-	 * Compare and set
-	 *
-	 * @param string $key
-	 * @param mixed $old
-	 * @param mixed $new
-	 * @return bool
-	 */
-	public function cas($key, $old, $new) {
-		if ($this->get($key) === $old) {
-			return $this->set($key, $new);
-		} else {
-			return false;
-		}
-	}
+    /**
+     * Compare and set
+     *
+     * @param string $key
+     * @param mixed $old
+     * @param mixed $new
+     * @return bool
+     */
+    public function cas($key, $old, $new) {
+        if ($this->get($key) === $old) {
+            return $this->set($key, $new);
+        } else {
+            return false;
+        }
+    }
 
-	/**
-	 * {@inheritDoc}
-	 */
-	static public function isAvailable() {
-		return true;
-	}
+    /**
+     * {@inheritDoc}
+     */
+    static public function isAvailable() {
+        return true;
+    }
 }

lib/private/Memcache/NullCache.php

Indentation +33 added lines, -33 removed lines

@@ -27,47 +27,47 @@
 namespace OC\Memcache;
 
 class NullCache extends Cache implements \OCP\IMemcache {
-	public function get($key) {
-		return null;
-	}
+    public function get($key) {
+        return null;
+    }
 
-	public function set($key, $value, $ttl = 0) {
-		return true;
-	}
+    public function set($key, $value, $ttl = 0) {
+        return true;
+    }
 
-	public function hasKey($key) {
-		return false;
-	}
+    public function hasKey($key) {
+        return false;
+    }
 
-	public function remove($key) {
-		return true;
-	}
+    public function remove($key) {
+        return true;
+    }
 
-	public function add($key, $value, $ttl = 0) {
-		return true;
-	}
+    public function add($key, $value, $ttl = 0) {
+        return true;
+    }
 
-	public function inc($key, $step = 1) {
-		return true;
-	}
+    public function inc($key, $step = 1) {
+        return true;
+    }
 
-	public function dec($key, $step = 1) {
-		return true;
-	}
+    public function dec($key, $step = 1) {
+        return true;
+    }
 
-	public function cas($key, $old, $new) {
-		return true;
-	}
+    public function cas($key, $old, $new) {
+        return true;
+    }
 
-	public function cad($key, $old) {
-		return true;
-	}
+    public function cad($key, $old) {
+        return true;
+    }
 
-	public function clear($prefix = '') {
-		return true;
-	}
+    public function clear($prefix = '') {
+        return true;
+    }
 
-	static public function isAvailable() {
-		return true;
-	}
+    static public function isAvailable() {
+        return true;
+    }
 }

lib/private/Memcache/Memcached.php

Indentation +189 added lines, -189 removed lines

@@ -33,193 +33,193 @@
 use OCP\IMemcache;
 
 class Memcached extends Cache implements IMemcache {
-	use CASTrait;
-
-	/**
-	 * @var \Memcached $cache
-	 */
-	private static $cache = null;
-
-	use CADTrait;
-
-	public function __construct($prefix = '') {
-		parent::__construct($prefix);
-		if (is_null(self::$cache)) {
-			self::$cache = new \Memcached();
-
-			$defaultOptions = [
-				\Memcached::OPT_CONNECT_TIMEOUT => 50,
-				\Memcached::OPT_RETRY_TIMEOUT =>   50,
-				\Memcached::OPT_SEND_TIMEOUT =>    50,
-				\Memcached::OPT_RECV_TIMEOUT =>    50,
-				\Memcached::OPT_POLL_TIMEOUT =>    50,
-
-				// Enable compression
-				\Memcached::OPT_COMPRESSION =>          true,
-
-				// Turn on consistent hashing
-				\Memcached::OPT_LIBKETAMA_COMPATIBLE => true,
-
-				// Enable Binary Protocol
-				//\Memcached::OPT_BINARY_PROTOCOL =>      true,
-			];
-			// by default enable igbinary serializer if available
-			if (\Memcached::HAVE_IGBINARY) {
-				$defaultOptions[\Memcached::OPT_SERIALIZER] =
-					\Memcached::SERIALIZER_IGBINARY;
-			}
-			$options = \OC::$server->getConfig()->getSystemValue('memcached_options', []);
-			if (is_array($options)) {
-				$options = $options + $defaultOptions;
-				self::$cache->setOptions($options);
-			} else {
-				throw new HintException("Expected 'memcached_options' config to be an array, got $options");
-			}
-
-			$servers = \OC::$server->getSystemConfig()->getValue('memcached_servers');
-			if (!$servers) {
-				$server = \OC::$server->getSystemConfig()->getValue('memcached_server');
-				if ($server) {
-					$servers = [$server];
-				} else {
-					$servers = [['localhost', 11211]];
-				}
-			}
-			self::$cache->addServers($servers);
-		}
-	}
-
-	/**
-	 * entries in XCache gets namespaced to prevent collisions between owncloud instances and users
-	 */
-	protected function getNameSpace() {
-		return $this->prefix;
-	}
-
-	public function get($key) {
-		$result = self::$cache->get($this->getNamespace() . $key);
-		if ($result === false and self::$cache->getResultCode() == \Memcached::RES_NOTFOUND) {
-			return null;
-		} else {
-			return $result;
-		}
-	}
-
-	public function set($key, $value, $ttl = 0) {
-		if ($ttl > 0) {
-			$result =  self::$cache->set($this->getNamespace() . $key, $value, $ttl);
-		} else {
-			$result = self::$cache->set($this->getNamespace() . $key, $value);
-		}
-		if ($result !== true) {
-			$this->verifyReturnCode();
-		}
-		return $result;
-	}
-
-	public function hasKey($key) {
-		self::$cache->get($this->getNamespace() . $key);
-		return self::$cache->getResultCode() === \Memcached::RES_SUCCESS;
-	}
-
-	public function remove($key) {
-		$result= self::$cache->delete($this->getNamespace() . $key);
-		if (self::$cache->getResultCode() !== \Memcached::RES_NOTFOUND) {
-			$this->verifyReturnCode();
-		}
-		return $result;
-	}
-
-	public function clear($prefix = '') {
-		$prefix = $this->getNamespace() . $prefix;
-		$allKeys = self::$cache->getAllKeys();
-		if ($allKeys === false) {
-			// newer Memcached doesn't like getAllKeys(), flush everything
-			self::$cache->flush();
-			return true;
-		}
-		$keys = array();
-		$prefixLength = strlen($prefix);
-		foreach ($allKeys as $key) {
-			if (substr($key, 0, $prefixLength) === $prefix) {
-				$keys[] = $key;
-			}
-		}
-		if (method_exists(self::$cache, 'deleteMulti')) {
-			self::$cache->deleteMulti($keys);
-		} else {
-			foreach ($keys as $key) {
-				self::$cache->delete($key);
-			}
-		}
-		return true;
-	}
-
-	/**
-	 * Set a value in the cache if it's not already stored
-	 *
-	 * @param string $key
-	 * @param mixed $value
-	 * @param int $ttl Time To Live in seconds. Defaults to 60*60*24
-	 * @return bool
-	 * @throws \Exception
-	 */
-	public function add($key, $value, $ttl = 0) {
-		$result = self::$cache->add($this->getPrefix() . $key, $value, $ttl);
-		if (self::$cache->getResultCode() !== \Memcached::RES_NOTSTORED) {
-			$this->verifyReturnCode();
-		}
-		return $result;
-	}
-
-	/**
-	 * Increase a stored number
-	 *
-	 * @param string $key
-	 * @param int $step
-	 * @return int | bool
-	 */
-	public function inc($key, $step = 1) {
-		$this->add($key, 0);
-		$result = self::$cache->increment($this->getPrefix() . $key, $step);
-
-		if (self::$cache->getResultCode() !== \Memcached::RES_SUCCESS) {
-			return false;
-		}
-
-		return $result;
-	}
-
-	/**
-	 * Decrease a stored number
-	 *
-	 * @param string $key
-	 * @param int $step
-	 * @return int | bool
-	 */
-	public function dec($key, $step = 1) {
-		$result = self::$cache->decrement($this->getPrefix() . $key, $step);
-
-		if (self::$cache->getResultCode() !== \Memcached::RES_SUCCESS) {
-			return false;
-		}
-
-		return $result;
-	}
-
-	static public function isAvailable() {
-		return extension_loaded('memcached');
-	}
-
-	/**
-	 * @throws \Exception
-	 */
-	private function verifyReturnCode() {
-		$code = self::$cache->getResultCode();
-		if ($code === \Memcached::RES_SUCCESS) {
-			return;
-		}
-		$message = self::$cache->getResultMessage();
-		throw new \Exception("Error $code interacting with memcached : $message");
-	}
+    use CASTrait;
+
+    /**
+     * @var \Memcached $cache
+     */
+    private static $cache = null;
+
+    use CADTrait;
+
+    public function __construct($prefix = '') {
+        parent::__construct($prefix);
+        if (is_null(self::$cache)) {
+            self::$cache = new \Memcached();
+
+            $defaultOptions = [
+                \Memcached::OPT_CONNECT_TIMEOUT => 50,
+                \Memcached::OPT_RETRY_TIMEOUT =>   50,
+                \Memcached::OPT_SEND_TIMEOUT =>    50,
+                \Memcached::OPT_RECV_TIMEOUT =>    50,
+                \Memcached::OPT_POLL_TIMEOUT =>    50,
+
+                // Enable compression
+                \Memcached::OPT_COMPRESSION =>          true,
+
+                // Turn on consistent hashing
+                \Memcached::OPT_LIBKETAMA_COMPATIBLE => true,
+
+                // Enable Binary Protocol
+                //\Memcached::OPT_BINARY_PROTOCOL =>      true,
+            ];
+            // by default enable igbinary serializer if available
+            if (\Memcached::HAVE_IGBINARY) {
+                $defaultOptions[\Memcached::OPT_SERIALIZER] =
+                    \Memcached::SERIALIZER_IGBINARY;
+            }
+            $options = \OC::$server->getConfig()->getSystemValue('memcached_options', []);
+            if (is_array($options)) {
+                $options = $options + $defaultOptions;
+                self::$cache->setOptions($options);
+            } else {
+                throw new HintException("Expected 'memcached_options' config to be an array, got $options");
+            }
+
+            $servers = \OC::$server->getSystemConfig()->getValue('memcached_servers');
+            if (!$servers) {
+                $server = \OC::$server->getSystemConfig()->getValue('memcached_server');
+                if ($server) {
+                    $servers = [$server];
+                } else {
+                    $servers = [['localhost', 11211]];
+                }
+            }
+            self::$cache->addServers($servers);
+        }
+    }
+
+    /**
+     * entries in XCache gets namespaced to prevent collisions between owncloud instances and users
+     */
+    protected function getNameSpace() {
+        return $this->prefix;
+    }
+
+    public function get($key) {
+        $result = self::$cache->get($this->getNamespace() . $key);
+        if ($result === false and self::$cache->getResultCode() == \Memcached::RES_NOTFOUND) {
+            return null;
+        } else {
+            return $result;
+        }
+    }
+
+    public function set($key, $value, $ttl = 0) {
+        if ($ttl > 0) {
+            $result =  self::$cache->set($this->getNamespace() . $key, $value, $ttl);
+        } else {
+            $result = self::$cache->set($this->getNamespace() . $key, $value);
+        }
+        if ($result !== true) {
+            $this->verifyReturnCode();
+        }
+        return $result;
+    }
+
+    public function hasKey($key) {
+        self::$cache->get($this->getNamespace() . $key);
+        return self::$cache->getResultCode() === \Memcached::RES_SUCCESS;
+    }
+
+    public function remove($key) {
+        $result= self::$cache->delete($this->getNamespace() . $key);
+        if (self::$cache->getResultCode() !== \Memcached::RES_NOTFOUND) {
+            $this->verifyReturnCode();
+        }
+        return $result;
+    }
+
+    public function clear($prefix = '') {
+        $prefix = $this->getNamespace() . $prefix;
+        $allKeys = self::$cache->getAllKeys();
+        if ($allKeys === false) {
+            // newer Memcached doesn't like getAllKeys(), flush everything
+            self::$cache->flush();
+            return true;
+        }
+        $keys = array();
+        $prefixLength = strlen($prefix);
+        foreach ($allKeys as $key) {
+            if (substr($key, 0, $prefixLength) === $prefix) {
+                $keys[] = $key;
+            }
+        }
+        if (method_exists(self::$cache, 'deleteMulti')) {
+            self::$cache->deleteMulti($keys);
+        } else {
+            foreach ($keys as $key) {
+                self::$cache->delete($key);
+            }
+        }
+        return true;
+    }
+
+    /**
+     * Set a value in the cache if it's not already stored
+     *
+     * @param string $key
+     * @param mixed $value
+     * @param int $ttl Time To Live in seconds. Defaults to 60*60*24
+     * @return bool
+     * @throws \Exception
+     */
+    public function add($key, $value, $ttl = 0) {
+        $result = self::$cache->add($this->getPrefix() . $key, $value, $ttl);
+        if (self::$cache->getResultCode() !== \Memcached::RES_NOTSTORED) {
+            $this->verifyReturnCode();
+        }
+        return $result;
+    }
+
+    /**
+     * Increase a stored number
+     *
+     * @param string $key
+     * @param int $step
+     * @return int | bool
+     */
+    public function inc($key, $step = 1) {
+        $this->add($key, 0);
+        $result = self::$cache->increment($this->getPrefix() . $key, $step);
+
+        if (self::$cache->getResultCode() !== \Memcached::RES_SUCCESS) {
+            return false;
+        }
+
+        return $result;
+    }
+
+    /**
+     * Decrease a stored number
+     *
+     * @param string $key
+     * @param int $step
+     * @return int | bool
+     */
+    public function dec($key, $step = 1) {
+        $result = self::$cache->decrement($this->getPrefix() . $key, $step);
+
+        if (self::$cache->getResultCode() !== \Memcached::RES_SUCCESS) {
+            return false;
+        }
+
+        return $result;
+    }
+
+    static public function isAvailable() {
+        return extension_loaded('memcached');
+    }
+
+    /**
+     * @throws \Exception
+     */
+    private function verifyReturnCode() {
+        $code = self::$cache->getResultCode();
+        if ($code === \Memcached::RES_SUCCESS) {
+            return;
+        }
+        $message = self::$cache->getResultMessage();
+        throw new \Exception("Error $code interacting with memcached : $message");
+    }
 }

lib/private/Memcache/XCache.php

Indentation +87 added lines, -87 removed lines

@@ -35,102 +35,102 @@
  * functions etc.
  */
 class XCache extends Cache implements IMemcache {
-	use CASTrait;
+    use CASTrait;
 
-	use CADTrait;
+    use CADTrait;
 
-	/**
-	 * entries in XCache gets namespaced to prevent collisions between ownCloud instances and users
-	 */
-	protected function getNameSpace() {
-		return $this->prefix;
-	}
+    /**
+     * entries in XCache gets namespaced to prevent collisions between ownCloud instances and users
+     */
+    protected function getNameSpace() {
+        return $this->prefix;
+    }
 
-	public function get($key) {
-		return xcache_get($this->getNamespace() . $key);
-	}
+    public function get($key) {
+        return xcache_get($this->getNamespace() . $key);
+    }
 
-	public function set($key, $value, $ttl = 0) {
-		if ($ttl > 0) {
-			return xcache_set($this->getNamespace() . $key, $value, $ttl);
-		} else {
-			return xcache_set($this->getNamespace() . $key, $value);
-		}
-	}
+    public function set($key, $value, $ttl = 0) {
+        if ($ttl > 0) {
+            return xcache_set($this->getNamespace() . $key, $value, $ttl);
+        } else {
+            return xcache_set($this->getNamespace() . $key, $value);
+        }
+    }
 
-	public function hasKey($key) {
-		return xcache_isset($this->getNamespace() . $key);
-	}
+    public function hasKey($key) {
+        return xcache_isset($this->getNamespace() . $key);
+    }
 
-	public function remove($key) {
-		return xcache_unset($this->getNamespace() . $key);
-	}
+    public function remove($key) {
+        return xcache_unset($this->getNamespace() . $key);
+    }
 
-	public function clear($prefix = '') {
-		if (function_exists('xcache_unset_by_prefix')) {
-			return xcache_unset_by_prefix($this->getNamespace() . $prefix);
-		} else {
-			// Since we can not clear by prefix, we just clear the whole cache.
-			xcache_clear_cache(\XC_TYPE_VAR, 0);
-		}
-		return true;
-	}
+    public function clear($prefix = '') {
+        if (function_exists('xcache_unset_by_prefix')) {
+            return xcache_unset_by_prefix($this->getNamespace() . $prefix);
+        } else {
+            // Since we can not clear by prefix, we just clear the whole cache.
+            xcache_clear_cache(\XC_TYPE_VAR, 0);
+        }
+        return true;
+    }
 
-	/**
-	 * Set a value in the cache if it's not already stored
-	 *
-	 * @param string $key
-	 * @param mixed $value
-	 * @param int $ttl Time To Live in seconds. Defaults to 60*60*24
-	 * @return bool
-	 */
-	public function add($key, $value, $ttl = 0) {
-		if ($this->hasKey($key)) {
-			return false;
-		} else {
-			return $this->set($key, $value, $ttl);
-		}
-	}
+    /**
+     * Set a value in the cache if it's not already stored
+     *
+     * @param string $key
+     * @param mixed $value
+     * @param int $ttl Time To Live in seconds. Defaults to 60*60*24
+     * @return bool
+     */
+    public function add($key, $value, $ttl = 0) {
+        if ($this->hasKey($key)) {
+            return false;
+        } else {
+            return $this->set($key, $value, $ttl);
+        }
+    }
 
-	/**
-	 * Increase a stored number
-	 *
-	 * @param string $key
-	 * @param int $step
-	 * @return int | bool
-	 */
-	public function inc($key, $step = 1) {
-		return xcache_inc($this->getPrefix() . $key, $step);
-	}
+    /**
+     * Increase a stored number
+     *
+     * @param string $key
+     * @param int $step
+     * @return int | bool
+     */
+    public function inc($key, $step = 1) {
+        return xcache_inc($this->getPrefix() . $key, $step);
+    }
 
-	/**
-	 * Decrease a stored number
-	 *
-	 * @param string $key
-	 * @param int $step
-	 * @return int | bool
-	 */
-	public function dec($key, $step = 1) {
-		return xcache_dec($this->getPrefix() . $key, $step);
-	}
+    /**
+     * Decrease a stored number
+     *
+     * @param string $key
+     * @param int $step
+     * @return int | bool
+     */
+    public function dec($key, $step = 1) {
+        return xcache_dec($this->getPrefix() . $key, $step);
+    }
 
-	static public function isAvailable() {
-		if (!extension_loaded('xcache')) {
-			return false;
-		}
-		if (\OC::$CLI && !getenv('XCACHE_TEST')) {
-			return false;
-		}
-		if (!function_exists('xcache_unset_by_prefix') && \OC::$server->getIniWrapper()->getBool('xcache.admin.enable_auth')) {
-			// We do not want to use XCache if we can not clear it without
-			// using the administration function xcache_clear_cache()
-			// AND administration functions are password-protected.
-			return false;
-		}
-		$var_size = \OC::$server->getIniWrapper()->getBytes('xcache.var_size');
-		if (!$var_size) {
-			return false;
-		}
-		return true;
-	}
+    static public function isAvailable() {
+        if (!extension_loaded('xcache')) {
+            return false;
+        }
+        if (\OC::$CLI && !getenv('XCACHE_TEST')) {
+            return false;
+        }
+        if (!function_exists('xcache_unset_by_prefix') && \OC::$server->getIniWrapper()->getBool('xcache.admin.enable_auth')) {
+            // We do not want to use XCache if we can not clear it without
+            // using the administration function xcache_clear_cache()
+            // AND administration functions are password-protected.
+            return false;
+        }
+        $var_size = \OC::$server->getIniWrapper()->getBytes('xcache.var_size');
+        if (!$var_size) {
+            return false;
+        }
+        return true;
+    }
 }

lib/private/OCS/Result.php

Indentation +124 added lines, -124 removed lines

@@ -32,129 +32,129 @@
 
 class Result {
 
-	/** @var array  */
-	protected $data;
-
-	/** @var null|string */
-	protected $message;
-
-	/** @var int */
-	protected $statusCode;
-
-	/** @var integer */
-	protected $items;
-
-	/** @var integer */
-	protected $perPage;
-
-	/** @var array */
-	private $headers = [];
-
-	/**
-	 * create the OCS_Result object
-	 * @param mixed $data the data to return
-	 * @param int $code
-	 * @param null|string $message
-	 * @param array $headers
-	 */
-	public function __construct($data = null, $code = 100, $message = null, $headers = []) {
-		if ($data === null) {
-			$this->data = array();
-		} elseif (!is_array($data)) {
-			$this->data = array($this->data);
-		} else {
-			$this->data = $data;
-		}
-		$this->statusCode = $code;
-		$this->message = $message;
-		$this->headers = $headers;
-	}
-
-	/**
-	 * optionally set the total number of items available
-	 * @param int $items
-	 */
-	public function setTotalItems($items) {
-		$this->items = $items;
-	}
-
-	/**
-	 * optionally set the the number of items per page
-	 * @param int $items
-	 */
-	public function setItemsPerPage($items) {
-		$this->perPage = $items;
-	}
-
-	/**
-	 * get the status code
-	 * @return int
-	 */
-	public function getStatusCode() {
-		return $this->statusCode;
-	}
-
-	/**
-	 * get the meta data for the result
-	 * @return array
-	 */
-	public function getMeta() {
-		$meta = array();
-		$meta['status'] = $this->succeeded() ? 'ok' : 'failure';
-		$meta['statuscode'] = $this->statusCode;
-		$meta['message'] = $this->message;
-		if(isset($this->items)) {
-			$meta['totalitems'] = $this->items;
-		}
-		if(isset($this->perPage)) {
-			$meta['itemsperpage'] = $this->perPage;
-		}
-		return $meta;
-
-	}
-
-	/**
-	 * get the result data
-	 * @return array
-	 */
-	public function getData() {
-		return $this->data;
-	}
-
-	/**
-	 * return bool Whether the method succeeded
-	 * @return bool
-	 */
-	public function succeeded() {
-		return ($this->statusCode == 100);
-	}
-
-	/**
-	 * Adds a new header to the response
-	 * @param string $name The name of the HTTP header
-	 * @param string $value The value, null will delete it
-	 * @return $this
-	 */
-	public function addHeader($name, $value) {
-		$name = trim($name);  // always remove leading and trailing whitespace
-		// to be able to reliably check for security
-		// headers
-
-		if(is_null($value)) {
-			unset($this->headers[$name]);
-		} else {
-			$this->headers[$name] = $value;
-		}
-
-		return $this;
-	}
-
-	/**
-	 * Returns the set headers
-	 * @return array the headers
-	 */
-	public function getHeaders() {
-		return $this->headers;
-	}
+    /** @var array  */
+    protected $data;
+
+    /** @var null|string */
+    protected $message;
+
+    /** @var int */
+    protected $statusCode;
+
+    /** @var integer */
+    protected $items;
+
+    /** @var integer */
+    protected $perPage;
+
+    /** @var array */
+    private $headers = [];
+
+    /**
+     * create the OCS_Result object
+     * @param mixed $data the data to return
+     * @param int $code
+     * @param null|string $message
+     * @param array $headers
+     */
+    public function __construct($data = null, $code = 100, $message = null, $headers = []) {
+        if ($data === null) {
+            $this->data = array();
+        } elseif (!is_array($data)) {
+            $this->data = array($this->data);
+        } else {
+            $this->data = $data;
+        }
+        $this->statusCode = $code;
+        $this->message = $message;
+        $this->headers = $headers;
+    }
+
+    /**
+     * optionally set the total number of items available
+     * @param int $items
+     */
+    public function setTotalItems($items) {
+        $this->items = $items;
+    }
+
+    /**
+     * optionally set the the number of items per page
+     * @param int $items
+     */
+    public function setItemsPerPage($items) {
+        $this->perPage = $items;
+    }
+
+    /**
+     * get the status code
+     * @return int
+     */
+    public function getStatusCode() {
+        return $this->statusCode;
+    }
+
+    /**
+     * get the meta data for the result
+     * @return array
+     */
+    public function getMeta() {
+        $meta = array();
+        $meta['status'] = $this->succeeded() ? 'ok' : 'failure';
+        $meta['statuscode'] = $this->statusCode;
+        $meta['message'] = $this->message;
+        if(isset($this->items)) {
+            $meta['totalitems'] = $this->items;
+        }
+        if(isset($this->perPage)) {
+            $meta['itemsperpage'] = $this->perPage;
+        }
+        return $meta;
+
+    }
+
+    /**
+     * get the result data
+     * @return array
+     */
+    public function getData() {
+        return $this->data;
+    }
+
+    /**
+     * return bool Whether the method succeeded
+     * @return bool
+     */
+    public function succeeded() {
+        return ($this->statusCode == 100);
+    }
+
+    /**
+     * Adds a new header to the response
+     * @param string $name The name of the HTTP header
+     * @param string $value The value, null will delete it
+     * @return $this
+     */
+    public function addHeader($name, $value) {
+        $name = trim($name);  // always remove leading and trailing whitespace
+        // to be able to reliably check for security
+        // headers
+
+        if(is_null($value)) {
+            unset($this->headers[$name]);
+        } else {
+            $this->headers[$name] = $value;
+        }
+
+        return $this;
+    }
+
+    /**
+     * Returns the set headers
+     * @return array the headers
+     */
+    public function getHeaders() {
+        return $this->headers;
+    }
 
 }

lib/private/OCS/Exception.php

Indentation +6 added lines, -6 removed lines

@@ -25,12 +25,12 @@
 
 class Exception extends \Exception {
 
-	public function __construct(Result $result) {
-		$this->result = $result;
-	}
+    public function __construct(Result $result) {
+        $this->result = $result;
+    }
 
-	public function getResult() {
-		return $this->result;
-	}
+    public function getResult() {
+        return $this->result;
+    }
 
 }