*/
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
/**
* @var Cache\ICacheDriver
*/
- static $driver = null;
+ private static $driver = 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();
- }
+ $driver_name = Config::get('system', 'cache_driver', 'database');
+
+ self::$driver = CacheDriverFactory::create($driver_name);
}
/**
--- /dev/null
+<?php
+
+namespace Friendica\Core\Cache;
+
+
+use Friendica\Core\Cache;
+
+/**
+ * Implementation of the IMemoryCacheDriver mainly for testing purpose
+ *
+ * Class ArrayCache
+ *
+ * @package Friendica\Core\Cache
+ */
+class ArrayCache implements IMemoryCacheDriver
+{
+ use TraitCompareDelete;
+
+ /** @var array Array with the cached data */
+ protected $cachedData = array();
+
+ /**
+ * (@inheritdoc)
+ */
+ public function get($key)
+ {
+ if (isset($this->cachedData[$key])) {
+ return $this->cachedData[$key];
+ }
+ return null;
+ }
+
+ /**
+ * (@inheritdoc)
+ */
+ public function set($key, $value, $ttl = Cache::FIVE_MINUTES)
+ {
+ $this->cachedData[$key] = $value;
+ return true;
+ }
+
+ /**
+ * (@inheritdoc)
+ */
+ public function delete($key)
+ {
+ unset($this->cachedData[$key]);
+ return true;
+ }
+
+ /**
+ * (@inheritdoc)
+ */
+ public function clear()
+ {
+ $this->cachedData = [];
+ return true;
+ }
+
+ /**
+ * (@inheritdoc)
+ */
+ public function add($key, $value, $ttl = Cache::FIVE_MINUTES)
+ {
+ if (isset($this->cachedData[$key])) {
+ return false;
+ } else {
+ return $this->set($key, $value, $ttl);
+ }
+ }
+
+ /**
+ * (@inheritdoc)
+ */
+ public function compareSet($key, $oldValue, $newValue, $ttl = Cache::FIVE_MINUTES)
+ {
+ if ($this->get($key) === $oldValue) {
+ return $this->set($key, $newValue);
+ } else {
+ return false;
+ }
+ }
+}
--- /dev/null
+<?php
+
+namespace Friendica\Core\Cache;
+
+use Friendica\Core\Config;
+
+/**
+ * Class CacheDriverFactory
+ *
+ * @package Friendica\Core\Cache
+ *
+ * A basic class to generate a CacheDriver
+ */
+class CacheDriverFactory
+{
+ /**
+ * This method creates a CacheDriver for the given cache driver name
+ *
+ * @param string $driver The name of the cache driver
+ * @return ICacheDriver The instance of the CacheDriver
+ * @throws \Exception The exception if something went wrong during the CacheDriver creation
+ */
+ public static function create($driver) {
+
+ switch ($driver) {
+ case 'memcache':
+ $memcache_host = Config::get('system', 'memcache_host', '127.0.0.1');
+ $memcache_port = Config::get('system', 'memcache_port', 11211);
+
+ return new MemcacheCacheDriver($memcache_host, $memcache_port);
+ break;
+
+ case 'memcached':
+ $memcached_hosts = Config::get('system', 'memcached_hosts', [['127.0.0.1', 11211]]);
+
+ return new MemcachedCacheDriver($memcached_hosts);
+ break;
+ case 'redis':
+ $redis_host = Config::get('system', 'redis_host', '127.0.0.1');
+ $redis_port = Config::get('system', 'redis_port', 6379);
+
+ return new RedisCacheDriver($redis_host, $redis_port);
+ break;
+ default:
+ return new DatabaseCacheDriver();
+ }
+ }
+}
return null;
}
- public function set($key, $value, $duration = Cache::MONTH)
+ public function set($key, $value, $ttl = Cache::FIVE_MINUTES)
{
$fields = [
'v' => serialize($value),
- 'expires' => DateTimeFormat::utc('now + ' . $duration . ' seconds'),
+ 'expires' => DateTimeFormat::utc('now + ' . $ttl . ' seconds'),
'updated' => DateTimeFormat::utcNow()
];
*
* @param string $key The cache key
* @param mixed $value The value to store
- * @param integer $duration The cache lifespan, must be one of the Cache constants
+ * @param integer $ttl The cache lifespan, must be one of the Cache constants
*
* @return bool
*/
- public function set($key, $value, $duration = Cache::MONTH);
-
+ public function set($key, $value, $ttl = Cache::FIVE_MINUTES);
/**
* Delete a key from the cache
*
- * @param string $key
+ * @param string $key The cache key
*
* @return bool
*/
--- /dev/null
+<?php
+
+namespace Friendica\Core\Cache;
+use Friendica\Core\Cache;
+
+/**
+ * This interface defines methods for Memory-Caches only
+ *
+ * Interface IMemoryCacheDriver
+ *
+ * @package Friendica\Core\Cache
+ */
+interface IMemoryCacheDriver extends ICacheDriver
+{
+ /**
+ * Sets a value if it's not already stored
+ *
+ * @param string $key The cache key
+ * @param mixed $value The old value we know from the cache
+ * @param int $ttl The cache lifespan, must be one of the Cache constants
+ * @return bool
+ */
+ public function add($key, $value, $ttl = Cache::FIVE_MINUTES);
+
+ /**
+ * Compares if the old value is set and sets the new value
+ *
+ * @param string $key The cache key
+ * @param mixed $oldValue The old value we know from the cache
+ * @param mixed $newValue The new value we want to set
+ * @param int $ttl The cache lifespan, must be one of the Cache constants
+ *
+ * @return bool
+ */
+ public function compareSet($key, $oldValue, $newValue, $ttl = Cache::FIVE_MINUTES);
+
+ /**
+ * Compares if the old value is set and removes it
+ *
+ * @param string $key The cache key
+ * @param mixed $value The old value we know and want to delete
+ * @return bool
+ */
+ public function compareDelete($key, $value);
+}
*
* @author Hypolite Petovan <mrpetovan@gmail.com>
*/
-class MemcacheCacheDriver extends BaseObject implements ICacheDriver
+class MemcacheCacheDriver extends BaseObject implements IMemoryCacheDriver
{
+ use TraitCompareSet;
+ use TraitCompareDelete;
+
/**
- * @var Memcache
+ * @var \Memcache
*/
private $memcache;
}
}
+ /**
+ * (@inheritdoc)
+ */
public function get($key)
{
$return = null;
return $return;
}
- public function set($key, $value, $duration = Cache::MONTH)
+ /**
+ * (@inheritdoc)
+ */
+ public function set($key, $value, $ttl = Cache::FIVE_MINUTES)
{
// 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(
+ self::getApp()->get_hostname() . ":" . $key,
+ serialize($value),
+ MEMCACHE_COMPRESSED,
+ time() + $ttl
+ );
+ } else {
+ return $this->memcache->set(
+ self::getApp()->get_hostname() . ":" . $key,
+ serialize($value),
+ MEMCACHE_COMPRESSED
+ );
+ }
}
+ /**
+ * (@inheritdoc)
+ */
public function delete($key)
{
return $this->memcache->delete($key);
}
+ /**
+ * (@inheritdoc)
+ */
public function clear()
{
- return true;
+ return $this->memcache->flush();
+ }
+
+ /**
+ * (@inheritdoc)
+ */
+ public function add($key, $value, $ttl = Cache::FIVE_MINUTES)
+ {
+ return $this->memcache->add(self::getApp()->get_hostname() . ":" . $key, $value, $ttl);
}
}
*
* @author Hypolite Petovan <mrpetovan@gmail.com>
*/
-class MemcachedCacheDriver extends BaseObject implements ICacheDriver
+class MemcachedCacheDriver extends BaseObject implements IMemoryCacheDriver
{
+ use TraitCompareSet;
+ use TraitCompareDelete;
+
/**
- * @var Memcached
+ * @var \Memcached
*/
private $memcached;
return $return;
}
- public function set($key, $value, $duration = Cache::MONTH)
+ public function set($key, $value, $ttl = Cache::FIVE_MINUTES)
{
// We store with the hostname as key to avoid problems with other applications
- return $this->memcached->set(
- self::getApp()->get_hostname() . ':' . $key,
- $value,
- time() + $duration
- );
+ if ($ttl > 0) {
+ return $this->memcached->set(
+ self::getApp()->get_hostname() . ':' . $key,
+ $value,
+ time() + $ttl
+ );
+ } else {
+ return $this->memcached->set(
+ self::getApp()->get_hostname() . ':' . $key,
+ $value
+ );
+ }
+
}
public function delete($key)
{
return true;
}
+
+ /**
+ * @brief Sets a value if it's not already stored
+ *
+ * @param string $key The cache key
+ * @param mixed $value The old value we know from the cache
+ * @param int $ttl The cache lifespan, must be one of the Cache constants
+ * @return bool
+ */
+ public function add($key, $value, $ttl = Cache::FIVE_MINUTES)
+ {
+ return $this->memcached->add(self::getApp()->get_hostname() . ":" . $key, $value, $ttl);
+ }
}
* @author Hypolite Petovan <mrpetovan@gmail.com>
* @author Roland Haeder <roland@mxchange.org>
*/
-class RedisCacheDriver extends BaseObject implements ICacheDriver
+class RedisCacheDriver extends BaseObject implements IMemoryCacheDriver
{
/**
- * @var Redis
+ * @var \Redis
*/
private $redis;
return $return;
}
- public function set($key, $value, $duration = Cache::MONTH)
+ public function set($key, $value, $ttl = Cache::FIVE_MINUTES)
{
// We store with the hostname as key to avoid problems with other applications
- return $this->redis->set(
- self::getApp()->get_hostname() . ":" . $key,
- serialize($value),
- time() + $duration
- );
+ if ($ttl > 0) {
+ return $this->redis->setex(
+ self::getApp()->get_hostname() . ":" . $key,
+ time() + $ttl,
+ serialize($value)
+ );
+ } else {
+ return $this->redis->set(
+ self::getApp()->get_hostname() . ":" . $key,
+ serialize($value)
+ );
+ }
}
public function delete($key)
{
return true;
}
+
+
+ /**
+ * (@inheritdoc)
+ */
+ public function add($key, $value, $ttl = Cache::FIVE_MINUTES)
+ {
+ if (!is_int($value)) {
+ $value = serialize($value);
+ }
+
+ return $this->redis->setnx(self::getApp()->get_hostname() . ":" . $key, $value);
+ }
+
+ /**
+ * (@inheritdoc)
+ */
+ public function compareSet($key, $oldValue, $newValue, $ttl = Cache::FIVE_MINUTES)
+ {
+ if (!is_int($newValue)) {
+ $newValue = serialize($newValue);
+ }
+
+ $this->redis->watch(self::getApp()->get_hostname() . ":" . $key);
+ // If the old value isn't what we expected, somebody else changed the key meanwhile
+ if ($this->get($key) === $oldValue) {
+ if ($ttl > 0) {
+ $result = $this->redis->multi()
+ ->setex(self::getApp()->get_hostname() . ":" . $ttl, $key, $newValue)
+ ->exec();
+ } else {
+ $result = $this->redis->multi()
+ ->set(self::getApp()->get_hostname() . ":" . $key, $newValue)
+ ->exec();
+ }
+ return $result !== false;
+ }
+ $this->redis->unwatch();
+ return false;
+ }
+ /**
+ * (@inheritdoc)
+ */
+ public function compareDelete($key, $value)
+ {
+ $this->redis->watch(self::getApp()->get_hostname() . ":" . $key);
+ // If the old value isn't what we expected, somebody else changed the key meanwhile
+ if ($this->get($key) === $value) {
+ $result = $this->redis->multi()
+ ->del(self::getApp()->get_hostname() . ":" . $key)
+ ->exec();
+ return $result !== false;
+ }
+ $this->redis->unwatch();
+ return false;
+ }
}
--- /dev/null
+<?php
+
+namespace Friendica\Core\Cache;
+
+use Friendica\Core\Cache;
+
+/**
+ * Trait TraitCompareSetDelete
+ *
+ * This Trait is to compensate non native "exclusive" sets/deletes in caches
+ *
+ * @package Friendica\Core\Cache
+ */
+trait TraitCompareDelete
+{
+ abstract public function get($key);
+
+ abstract public function set($key, $value, $ttl = Cache::FIVE_MINUTES);
+
+ abstract public function delete($key);
+
+ abstract public function add($key, $value, $ttl = Cache::FIVE_MINUTES);
+
+ /**
+ * NonNative - Compares if the old value is set and removes it
+ *
+ * @param string $key The cache key
+ * @param mixed $value The old value we know and want to delete
+ * @return bool
+ */
+ public function compareDelete($key, $value) {
+ if ($this->add($key . "_lock", true)) {
+ if ($this->get($key) === $value) {
+ $this->delete($key);
+ $this->delete($key . "_lock");
+ return true;
+ } else {
+ $this->delete($key . "_lock");
+ return false;
+ }
+ } else {
+ return false;
+ }
+ }
+}
--- /dev/null
+<?php
+
+namespace Friendica\Core\Cache;
+
+use Friendica\Core\Cache;
+
+/**
+ * Trait TraitCompareSetDelete
+ *
+ * This Trait is to compensate non native "exclusive" sets/deletes in caches
+ *
+ * @package Friendica\Core\Cache
+ */
+trait TraitCompareSet
+{
+ abstract public function get($key);
+
+ abstract public function set($key, $value, $ttl = Cache::FIVE_MINUTES);
+
+ abstract public function delete($key);
+
+ abstract public function add($key, $value, $ttl = Cache::FIVE_MINUTES);
+
+ /**
+ * NonNative - Compares if the old value is set and sets the new value
+ *
+ * @param string $key The cache key
+ * @param mixed $oldValue The old value we know from the cache
+ * @param mixed $newValue The new value we want to set
+ * @param int $ttl The cache lifespan, must be one of the Cache constants
+ *
+ * @return bool
+ */
+ public function compareSet($key, $oldValue, $newValue, $ttl = Cache::FIVE_MINUTES) {
+ if ($this->add($key . "_lock", true)) {
+ if ($this->get($key) === $oldValue) {
+ $this->set($key, $newValue, $ttl);
+ $this->delete($key . "_lock");
+ return true;
+ } else {
+ $this->delete($key . "_lock");
+ return false;
+ }
+ } else {
+ return false;
+ }
+ }
+}
--- /dev/null
+<?php
+
+namespace Friendica\Core;
+
+/**
+ * @file src/Core/Lock.php
+ * @brief Functions for preventing parallel execution of functions
+ */
+
+use Friendica\Core\Cache\CacheDriverFactory;
+use Friendica\Core\Cache\IMemoryCacheDriver;
+
+/**
+ * @brief This class contain Functions for preventing parallel execution of functions
+ */
+class Lock
+{
+ /**
+ * @var Lock\ILockDriver;
+ */
+ static $driver = null;
+
+ public static function init()
+ {
+ $lock_driver = Config::get('system', 'lock_driver', 'default');
+
+ try {
+ switch ($lock_driver) {
+ case 'memcache':
+ case 'memcached':
+ case 'redis':
+ $cache_driver = CacheDriverFactory::create($lock_driver);
+ if ($cache_driver instanceof IMemoryCacheDriver) {
+ self::$driver = new Lock\CacheLockDriver($cache_driver);
+ }
+ break;
+
+ case 'database':
+ self::$driver = new Lock\DatabaseLockDriver();
+ break;
+
+ case 'semaphore':
+ self::$driver = new Lock\SemaphoreLockDriver();
+ break;
+
+ default:
+ self::useAutoDriver();
+ }
+ } catch (\Exception $exception) {
+ logger ('Driver \'' . $lock_driver . '\' failed - Fallback to \'useAutoDriver()\'');
+ self::useAutoDriver();
+ }
+ }
+
+ /**
+ * @brief This method tries to find the best - local - locking method for Friendica
+ *
+ * The following sequence will be tried:
+ * 1. Semaphore Locking
+ * 2. Cache Locking
+ * 3. Database Locking
+ *
+ */
+ private static function useAutoDriver() {
+
+ // 1. Try to use Semaphores for - local - locking
+ if (function_exists('sem_get')) {
+ try {
+ self::$driver = new Lock\SemaphoreLockDriver();
+ return;
+ } catch (\Exception $exception) {
+ logger ('Using Semaphore driver for locking failed: ' . $exception->getMessage());
+ }
+ }
+
+ // 2. Try to use Cache Locking (don't use the DB-Cache Locking because it works different!)
+ $cache_driver = Config::get('system', 'cache_driver', 'database');
+ if ($cache_driver != 'database') {
+ try {
+ $lock_driver = CacheDriverFactory::create($cache_driver);
+ if ($lock_driver instanceof IMemoryCacheDriver) {
+ self::$driver = new Lock\CacheLockDriver($lock_driver);
+ }
+ return;
+ } catch (\Exception $exception) {
+ logger('Using Cache driver for locking failed: ' . $exception->getMessage());
+ }
+ }
+
+ // 3. Use Database Locking as a Fallback
+ self::$driver = new Lock\DatabaseLockDriver();
+ }
+
+ /**
+ * Returns the current cache driver
+ *
+ * @return Lock\ILockDriver;
+ */
+ private static function getDriver()
+ {
+ if (self::$driver === null) {
+ self::init();
+ }
+
+ return self::$driver;
+ }
+
+ /**
+ * @brief Acquires a lock for a given name
+ *
+ * @param string $key Name of the lock
+ * @param integer $timeout Seconds until we give up
+ *
+ * @return boolean Was the lock successful?
+ */
+ public static function acquire($key, $timeout = 120)
+ {
+ return self::getDriver()->acquireLock($key, $timeout);
+ }
+
+ /**
+ * @brief Releases a lock if it was set by us
+ *
+ * @param string $key Name of the lock
+ * @return void
+ */
+ public static function release($key)
+ {
+ self::getDriver()->releaseLock($key);
+ }
+
+ /**
+ * @brief Releases all lock that were set by us
+ * @return void
+ */
+ public static function releaseAll()
+ {
+ self::getDriver()->releaseAll();
+ }
+}
--- /dev/null
+<?php
+
+namespace Friendica\Core\Lock;
+use Friendica\BaseObject;
+
+/**
+ * Class AbstractLockDriver
+ *
+ * @package Friendica\Core\Lock
+ *
+ * Basic class for Locking with common functions (local acquired locks, releaseAll, ..)
+ */
+abstract class AbstractLockDriver extends BaseObject implements ILockDriver
+{
+ /**
+ * @var array The local acquired locks
+ */
+ protected $acquiredLocks = [];
+
+ /**
+ * Check if we've locally acquired a lock
+ *
+ * @param string key The Name of the lock
+ * @return bool Returns true if the lock is set
+ */
+ protected function hasAcquiredLock($key) {
+ return isset($this->acquireLock[$key]) && $this->acquiredLocks[$key] === true;
+ }
+
+ /**
+ * Mark a locally acquired lock
+ *
+ * @param string $key The Name of the lock
+ */
+ protected function markAcquire($key) {
+ $this->acquiredLocks[$key] = true;
+ }
+
+ /**
+ * Mark a release of a locally acquired lock
+ *
+ * @param string $key The Name of the lock
+ */
+ protected function markRelease($key) {
+ unset($this->acquiredLocks[$key]);
+ }
+
+ /**
+ * Releases all lock that were set by us
+ *
+ * @return void
+ */
+ public function releaseAll() {
+ foreach ($this->acquiredLocks as $acquiredLock => $hasLock) {
+ $this->releaseLock($acquiredLock);
+ }
+ }
+}
--- /dev/null
+<?php
+
+namespace Friendica\Core\Lock;
+
+use Friendica\Core\Cache\IMemoryCacheDriver;
+
+class CacheLockDriver extends AbstractLockDriver
+{
+ /**
+ * @var \Friendica\Core\Cache\ICacheDriver;
+ */
+ private $cache;
+
+ /**
+ * CacheLockDriver constructor.
+ *
+ * @param IMemoryCacheDriver $cache The CacheDriver for this type of lock
+ */
+ public function __construct(IMemoryCacheDriver $cache)
+ {
+ $this->cache = $cache;
+ }
+
+ /**
+ * (@inheritdoc)
+ */
+ public function acquireLock($key, $timeout = 120)
+ {
+ $got_lock = false;
+ $start = time();
+
+ $cachekey = self::getCacheKey($key);
+
+ do {
+ $lock = $this->cache->get($cachekey);
+ // When we do want to lock something that was already locked by us.
+ if ((int)$lock == getmypid()) {
+ $got_lock = true;
+ }
+
+ // When we do want to lock something new
+ if (is_null($lock)) {
+ // At first initialize it with "0"
+ $this->cache->add($cachekey, 0);
+ // Now the value has to be "0" because otherwise the key was used by another process meanwhile
+ if ($this->cache->compareSet($cachekey, 0, getmypid(), 300)) {
+ $got_lock = true;
+ $this->markAcquire($key);
+ }
+ }
+
+ if (!$got_lock && ($timeout > 0)) {
+ usleep(rand(10000, 200000));
+ }
+ } while (!$got_lock && ((time() - $start) < $timeout));
+
+ return $got_lock;
+ }
+
+ /**
+ * (@inheritdoc)
+ */
+ public function releaseLock($key)
+ {
+ $cachekey = self::getCacheKey($key);
+
+ $this->cache->compareDelete($cachekey, getmypid());
+ $this->markRelease($key);
+ }
+
+ /**
+ * (@inheritdoc)
+ */
+ public function isLocked($key)
+ {
+ $cachekey = self::getCacheKey($key);
+ $lock = $this->cache->get($cachekey);
+ return isset($lock) && ($lock !== false);
+ }
+
+ /**
+ * @param string $key The original key
+ * @return string The cache key used for the cache
+ */
+ private static function getCacheKey($key) {
+ return self::getApp()->get_hostname() . ";lock:" . $key;
+ }
+}
--- /dev/null
+<?php
+
+namespace Friendica\Core\Lock;
+
+use dba;
+use Friendica\Database\DBM;
+use Friendica\Util\DateTimeFormat;
+
+/**
+ * Locking driver that stores the locks in the database
+ */
+class DatabaseLockDriver extends AbstractLockDriver
+{
+ /**
+ * (@inheritdoc)
+ */
+ public function acquireLock($key, $timeout = 120)
+ {
+ $got_lock = false;
+ $start = time();
+
+ do {
+ dba::lock('locks');
+ $lock = dba::selectFirst('locks', ['locked', 'pid'], ['`name` = ? AND `expires` >= ?', $key, DateTimeFormat::utcNow()]);
+
+ if (DBM::is_result($lock)) {
+ if ($lock['locked']) {
+ // We want to lock something that was already locked by us? So we got the lock.
+ if ($lock['pid'] == getmypid()) {
+ $got_lock = true;
+ $this->markAcquire($key);
+ }
+ }
+ if (!$lock['locked']) {
+ dba::update('locks', ['locked' => true, 'pid' => getmypid(), 'expires' => DateTimeFormat::utc('now + 300seconds')], ['name' => $key]);
+ $got_lock = true;
+ $this->markAcquire($key);
+ }
+ } else {
+ dba::insert('locks', ['name' => $key, 'locked' => true, 'pid' => getmypid(), 'expires' => DateTimeFormat::utc('now + 300seconds')]);
+ $got_lock = true;
+ $this->markAcquire($key);
+ }
+
+ dba::unlock();
+
+ if (!$got_lock && ($timeout > 0)) {
+ usleep(rand(100000, 2000000));
+ }
+ } while (!$got_lock && ((time() - $start) < $timeout));
+
+ return $got_lock;
+ }
+
+ /**
+ * (@inheritdoc)
+ */
+ public function releaseLock($key)
+ {
+ dba::delete('locks', ['name' => $key, 'pid' => getmypid()]);
+
+ $this->markRelease($key);
+
+ return;
+ }
+
+ /**
+ * (@inheritdoc)
+ */
+ public function releaseAll()
+ {
+ dba::delete('locks', ['pid' => getmypid()]);
+
+ $this->acquiredLocks = [];
+ }
+
+ /**
+ * (@inheritdoc)
+ */
+ public function isLocked($key)
+ {
+ $lock = dba::selectFirst('locks', ['locked'], ['`name` = ? AND `expires` >= ?', $key, DateTimeFormat::utcNow()]);
+
+ if (DBM::is_result($lock)) {
+ return $lock['locked'] !== false;
+ } else {
+ return false;
+ }
+ }
+}
--- /dev/null
+<?php
+
+namespace Friendica\Core\Lock;
+
+/**
+ * Lock Driver Interface
+ *
+ * @author Philipp Holzer <admin@philipp.info>
+ */
+interface ILockDriver
+{
+ /**
+ * Checks, if a key is currently locked to a or my process
+ *
+ * @param string $key The name of the lock
+ * @return bool
+ */
+ public function isLocked($key);
+
+ /**
+ *
+ * Acquires a lock for a given name
+ *
+ * @param string $key The Name of the lock
+ * @param integer $timeout Seconds until we give up
+ *
+ * @return boolean Was the lock successful?
+ */
+ public function acquireLock($key, $timeout = 120);
+
+ /**
+ * Releases a lock if it was set by us
+ *
+ * @param string $key The Name of the lock
+ *
+ * @return void
+ */
+ public function releaseLock($key);
+
+ /**
+ * Releases all lock that were set by us
+ *
+ * @return void
+ */
+ public function releaseAll();
+}
--- /dev/null
+<?php
+
+namespace Friendica\Core\Lock;
+
+class SemaphoreLockDriver extends AbstractLockDriver
+{
+ private static $semaphore = [];
+
+ public function __construct()
+ {
+ if (!function_exists('sem_get')) {
+ throw new \Exception('Semaphore lock not supported');
+ }
+ }
+
+ /**
+ * (@inheritdoc)
+ */
+ private static function semaphoreKey($key)
+ {
+ $temp = get_temppath();
+
+ $file = $temp . '/' . $key . '.sem';
+
+ if (!file_exists($file)) {
+ file_put_contents($file, $key);
+ }
+
+ return ftok($file, 'f');
+ }
+
+ /**
+ *
+ * (@inheritdoc)
+ */
+ public function acquireLock($key, $timeout = 120)
+ {
+ self::$semaphore[$key] = sem_get(self::semaphoreKey($key));
+ if (self::$semaphore[$key]) {
+ if (sem_acquire(self::$semaphore[$key], ($timeout == 0))) {
+ $this->markAcquire($key);
+ return true;
+ }
+ }
+
+ return false;
+ }
+
+ /**
+ * (@inheritdoc)
+ */
+ public function releaseLock($key)
+ {
+ if (empty(self::$semaphore[$key])) {
+ return false;
+ } else {
+ $success = @sem_release(self::$semaphore[$key]);
+ unset(self::$semaphore[$key]);
+ $this->markRelease($key);
+ return $success;
+ }
+ }
+
+ /**
+ * (@inheritdoc)
+ */
+ public function isLocked($key)
+ {
+ return isset(self::$semaphore[$key]);
+ }
+}
*/
namespace Friendica\Core;
-use Friendica\Core\Addon;
-use Friendica\Core\Config;
-use Friendica\Core\System;
+use dba;
use Friendica\Database\DBM;
use Friendica\Model\Process;
use Friendica\Util\DateTimeFormat;
-use Friendica\Util\Lock;
use Friendica\Util\Network;
-use dba;
require_once 'include/dba.php';
}
// If possible we will fetch new jobs for this worker
- if (!$refetched && Lock::set('worker_process', 0)) {
+ if (!$refetched && Lock::acquire('worker_process', 0)) {
$stamp = (float)microtime(true);
$refetched = self::findWorkerProcesses($passing_slow);
self::$db_duration += (microtime(true) - $stamp);
- Lock::remove('worker_process');
+ Lock::release('worker_process');
}
}
// To avoid the quitting of multiple workers only one worker at a time will execute the check
- if (Lock::set('worker', 0)) {
+ if (Lock::acquire('worker', 0)) {
$stamp = (float)microtime(true);
// Count active workers and compare them with a maximum value that depends on the load
if (self::tooMuchWorkers()) {
logger('Memory limit reached, quitting.', LOGGER_DEBUG);
return;
}
- Lock::remove('worker');
+ Lock::release('worker');
self::$db_duration += (microtime(true) - $stamp);
}
dba::close($r);
$stamp = (float)microtime(true);
- if (!Lock::set('worker_process')) {
+ if (!Lock::acquire('worker_process')) {
return false;
}
self::$lock_duration = (microtime(true) - $stamp);
$found = self::findWorkerProcesses($passing_slow);
self::$db_duration += (microtime(true) - $stamp);
- Lock::remove('worker_process');
+ Lock::release('worker_process');
if ($found) {
$r = dba::select('workerqueue', [], ['pid' => getmypid(), 'done' => false]);
}
// If there is a lock then we don't have to check for too much worker
- if (!Lock::set('worker', 0)) {
+ if (!Lock::acquire('worker', 0)) {
return true;
}
// If there are already enough workers running, don't fork another one
$quit = self::tooMuchWorkers();
- Lock::remove('worker');
+ Lock::release('worker');
if ($quit) {
return true;
*/
namespace Friendica\Database;
+use dba;
use Friendica\Core\Config;
use Friendica\Core\L10n;
-use Friendica\Database\DBM;
-use dba;
require_once 'boot.php';
require_once 'include/dba.php';
"name" => ["type" => "varchar(128)", "not null" => "1", "default" => "", "comment" => ""],
"locked" => ["type" => "boolean", "not null" => "1", "default" => "0", "comment" => ""],
"pid" => ["type" => "int unsigned", "not null" => "1", "default" => "0", "comment" => "Process ID"],
- ],
+ "expires" => ["type" => "datetime", "not null" => "1", "default" => NULL_DATE, "comment" => "datetime of cache expiration"],
+ ],
"indexes" => [
"PRIMARY" => ["id"],
+ "name_expires" => ["name", "expires"]
]
];
$database["mail"] = [
namespace Friendica\Model;
+use dba;
use Friendica\BaseObject;
use Friendica\Content\Text;
use Friendica\Core\Addon;
use Friendica\Core\Config;
use Friendica\Core\L10n;
+use Friendica\Core\Lock;
use Friendica\Core\PConfig;
use Friendica\Core\System;
use Friendica\Core\Worker;
use Friendica\Database\DBM;
-use Friendica\Model\Contact;
-use Friendica\Model\Conversation;
-use Friendica\Model\Group;
-use Friendica\Model\Term;
use Friendica\Object\Image;
use Friendica\Protocol\Diaspora;
use Friendica\Protocol\OStatus;
use Friendica\Util\DateTimeFormat;
use Friendica\Util\XML;
-use Friendica\Util\Lock;
-use dba;
use Text_LanguageDetect;
require_once 'boot.php';
}
// To avoid timing problems, we are using locks.
- $locked = Lock::set('item_insert_content');
+ $locked = Lock::acquire('item_insert_content');
if (!$locked) {
logger("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway.");
}
logger('Could not insert content for URI ' . $item['uri'] . ' - trying asynchronously');
}
if ($locked) {
- Lock::remove('item_insert_content');
+ Lock::release('item_insert_content');
}
}
*/
namespace Friendica\Protocol;
+use dba;
+use DOMDocument;
+use DOMXPath;
use Friendica\Content\Text\BBCode;
use Friendica\Content\Text\HTML;
use Friendica\Core\Cache;
use Friendica\Core\Config;
use Friendica\Core\L10n;
+use Friendica\Core\Lock;
use Friendica\Core\System;
use Friendica\Database\DBM;
use Friendica\Model\Contact;
use Friendica\Network\Probe;
use Friendica\Object\Image;
use Friendica\Util\DateTimeFormat;
-use Friendica\Util\Lock;
use Friendica\Util\Network;
use Friendica\Util\XML;
-use dba;
-use DOMDocument;
-use DOMXPath;
require_once 'include/dba.php';
require_once 'include/items.php';
logger("Item with uri ".$item["uri"]." is from a blocked contact.", LOGGER_DEBUG);
} else {
// We are having duplicated entries. Hopefully this solves it.
- if (Lock::set('ostatus_process_item_insert')) {
+ if (Lock::acquire('ostatus_process_item_insert')) {
$ret = Item::insert($item);
- Lock::remove('ostatus_process_item_insert');
+ Lock::release('ostatus_process_item_insert');
logger("Item with uri ".$item["uri"]." for user ".$importer["uid"].' stored. Return value: '.$ret);
} else {
$ret = Item::insert($item);
+++ /dev/null
-<?php
-/**
- * @file src/Util/Lock.php
- */
-namespace Friendica\Util;
-
-/**
- * @file src/Util/Lock.php
- * @brief Functions for preventing parallel execution of functions
- */
-
-use Friendica\Core\Config;
-use Friendica\Database\DBM;
-use Memcache;
-use dba;
-
-require_once 'include/dba.php';
-
-/**
- * @brief This class contain Functions for preventing parallel execution of functions
- */
-class Lock
-{
- private static $semaphore = [];
-
- /**
- * @brief Check for memcache and open a connection if configured
- *
- * @return object|boolean The memcache object - or "false" if not successful
- */
- private static function connectMemcache()
- {
- if (!function_exists('memcache_connect')) {
- return false;
- }
-
- if (!Config::get('system', 'memcache')) {
- return false;
- }
-
- $memcache_host = Config::get('system', 'memcache_host', '127.0.0.1');
- $memcache_port = Config::get('system', 'memcache_port', 11211);
-
- $memcache = new Memcache;
-
- if (!$memcache->connect($memcache_host, $memcache_port)) {
- return false;
- }
-
- return $memcache;
- }
-
- /**
- * @brief Creates a semaphore key
- *
- * @param string $fn_name Name of the lock
- *
- * @return ressource the semaphore key
- */
- private static function semaphoreKey($fn_name)
- {
- $temp = get_temppath();
-
- $file = $temp.'/'.$fn_name.'.sem';
-
- if (!file_exists($file)) {
- file_put_contents($file, $fn_name);
- }
-
- return ftok($file, 'f');
- }
-
- /**
- * @brief Sets a lock for a given name
- *
- * @param string $fn_name Name of the lock
- * @param integer $timeout Seconds until we give up
- *
- * @return boolean Was the lock successful?
- */
- public static function set($fn_name, $timeout = 120)
- {
- $got_lock = false;
- $start = time();
-
- // The second parameter for "sem_acquire" doesn't exist before 5.6.1
- if (function_exists('sem_get') && version_compare(PHP_VERSION, '5.6.1', '>=')) {
- self::$semaphore[$fn_name] = sem_get(self::semaphoreKey($fn_name));
- if (self::$semaphore[$fn_name]) {
- return sem_acquire(self::$semaphore[$fn_name], ($timeout == 0));
- }
- }
-
- $memcache = self::connectMemcache();
- if (is_object($memcache)) {
- $cachekey = get_app()->get_hostname().";lock:".$fn_name;
-
- do {
- // We only lock to be sure that nothing happens at exactly the same time
- dba::lock('locks');
- $lock = $memcache->get($cachekey);
-
- if (!is_bool($lock)) {
- $pid = (int)$lock;
-
- // When the process id isn't used anymore, we can safely claim the lock for us.
- // Or we do want to lock something that was already locked by us.
- if (!posix_kill($pid, 0) || ($pid == getmypid())) {
- $lock = false;
- }
- }
- if (is_bool($lock)) {
- $memcache->set($cachekey, getmypid(), MEMCACHE_COMPRESSED, 300);
- $got_lock = true;
- }
-
- dba::unlock();
-
- if (!$got_lock && ($timeout > 0)) {
- usleep(rand(10000, 200000));
- }
- } while (!$got_lock && ((time() - $start) < $timeout));
-
- return $got_lock;
- }
-
- do {
- dba::lock('locks');
- $lock = dba::selectFirst('locks', ['locked', 'pid'], ['name' => $fn_name]);
-
- if (DBM::is_result($lock)) {
- if ($lock['locked']) {
- // When the process id isn't used anymore, we can safely claim the lock for us.
- if (!posix_kill($lock['pid'], 0)) {
- $lock['locked'] = false;
- }
- // We want to lock something that was already locked by us? So we got the lock.
- if ($lock['pid'] == getmypid()) {
- $got_lock = true;
- }
- }
- if (!$lock['locked']) {
- dba::update('locks', ['locked' => true, 'pid' => getmypid()], ['name' => $fn_name]);
- $got_lock = true;
- }
- } elseif (!DBM::is_result($lock)) {
- dba::insert('locks', ['name' => $fn_name, 'locked' => true, 'pid' => getmypid()]);
- $got_lock = true;
- }
-
- dba::unlock();
-
- if (!$got_lock && ($timeout > 0)) {
- usleep(rand(100000, 2000000));
- }
- } while (!$got_lock && ((time() - $start) < $timeout));
-
- return $got_lock;
- }
-
- /**
- * @brief Removes a lock if it was set by us
- *
- * @param string $fn_name Name of the lock
- * @return mixed
- */
- public static function remove($fn_name)
- {
- if (function_exists('sem_get') && version_compare(PHP_VERSION, '5.6.1', '>=')) {
- if (empty(self::$semaphore[$fn_name])) {
- return false;
- } else {
- $success = @sem_release(self::$semaphore[$fn_name]);
- unset(self::$semaphore[$fn_name]);
- return $success;
- }
- }
-
- $memcache = self::connectMemcache();
- if (is_object($memcache)) {
- $cachekey = get_app()->get_hostname().";lock:".$fn_name;
- $lock = $memcache->get($cachekey);
-
- if (!is_bool($lock)) {
- if ((int)$lock == getmypid()) {
- $memcache->delete($cachekey);
- }
- }
- return;
- }
-
- dba::update('locks', ['locked' => false, 'pid' => 0], ['name' => $fn_name, 'pid' => getmypid()]);
- return;
- }
-
- /**
- * @brief Removes all lock that were set by us
- * @return void
- */
- public static function removeAll()
- {
- $memcache = self::connectMemcache();
- if (is_object($memcache)) {
- // We cannot delete all cache entries, but this doesn't matter with memcache
- return;
- }
-
- dba::update('locks', ['locked' => false, 'pid' => 0], ['pid' => getmypid()]);
- return;
- }
-}
uid: 42
username: Test user
nickname: selfcontact
- verified: true
+ verified: 1
password: $2y$10$DLRNTRmJgKe1cSrFJ5Jb0edCqvXlA9sh/RHdSnfxjbR.04yZRm4Qm
theme: frio
uid: 42
name: Self contact
nick: selfcontact
- self: true
+ self: 1
nurl: http://localhost/profile/selfcontact
url: http://localhost/profile/selfcontact
about: User used in tests
- pending: false
- blocked: false
+ pending: 0
+ blocked: 0
rel: 1
network: dfrn
-
# the fallback to api_get_nick() in api_get_user()
name: othercontact
nick: othercontact
- self: false
+ self: 0
nurl: http://localhost/profile/othercontact
url: http://localhost/profile/othercontact
- pending: false
- blocked: false
+ pending: 0
+ blocked: 0
rel: 0
network: dfrn
-
uid: 0
name: Friend contact
nick: friendcontact
- self: false
+ self: 0
nurl: http://localhost/profile/friendcontact
url: http://localhost/profile/friendcontact
- pending: false
- blocked: false
+ pending: 0
+ blocked: 0
rel: 2
network: dfrn
item:
-
id: 1
- visible: true
+ visible: 1
contact-id: 42
author-id: 42
owner-id: 45
uid: 42
verb: http://activitystrea.ms/schema/1.0/post
- unseen: true
+ unseen: 1
body: Parent status
parent: 1
author-link: http://localhost/profile/selfcontact
- wall: true
- starred: true
- origin: true
+ wall: 1
+ starred: 1
+ origin: 1
allow_cid: ''
allow_gid: ''
deny_cid: ''
deny_gid: ''
-
id: 2
- visible: true
+ visible: 1
contact-id: 42
author-id: 42
owner-id: 45
uid: 42
verb: http://activitystrea.ms/schema/1.0/post
- unseen: false
+ unseen: 0
body: Reply
parent: 1
author-link: http://localhost/profile/selfcontact
- wall: true
- starred: false
- origin: true
+ wall: 1
+ starred: 0
+ origin: 1
-
id: 3
- visible: true
+ visible: 1
contact-id: 43
author-id: 43
owner-id: 42
uid: 42
verb: http://activitystrea.ms/schema/1.0/post
- unseen: false
+ unseen: 0
body: Other user status
parent: 3
author-link: http://localhost/profile/othercontact
- wall: true
- starred: false
- origin: true
+ wall: 1
+ starred: 0
+ origin: 1
-
id: 4
- visible: true
+ visible: 1
contact-id: 44
author-id: 44
owner-id: 42
uid: 42
verb: http://activitystrea.ms/schema/1.0/post
- unseen: false
+ unseen: 0
body: Friend user reply
parent: 1
author-link: http://localhost/profile/othercontact
- wall: true
- starred: false
- origin: true
+ wall: 1
+ starred: 0
+ origin: 1
-
id: 5
- visible: true
+ visible: 1
contact-id: 42
author-id: 42
owner-id: 42
uid: 42
verb: http://activitystrea.ms/schema/1.0/post
- unseen: false
+ unseen: 0
body: '[share]Shared status[/share]'
parent: 1
author-link: http://localhost/profile/othercontact
- wall: true
- starred: false
- origin: true
+ wall: 1
+ starred: 0
+ origin: 1
allow_cid: ''
allow_gid: ''
deny_cid: ''
deny_gid: ''
-
id: 6
- visible: true
+ visible: 1
contact-id: 44
author-id: 44
owner-id: 42
uid: 42
verb: http://activitystrea.ms/schema/1.0/post
- unseen: false
+ unseen: 0
body: Friend user status
parent: 6
author-link: http://localhost/profile/othercontact
- wall: true
- starred: false
- origin: true
+ wall: 1
+ starred: 0
+ origin: 1
thread:
-
iid: 1
- visible: true
+ visible: 1
contact-id: 42
author-id: 42
owner-id: 42
uid: 42
- wall: true
+ wall: 1
-
iid: 3
- visible: true
+ visible: 1
contact-id: 43
author-id: 43
owner-id: 43
uid: 0
- wall: true
+ wall: 1
-
iid: 6
- visible: true
+ visible: 1
contact-id: 44
author-id: 44
owner-id: 44
uid: 0
- wall: true
+ wall: 1
group:
-
id: 1
uid: 42
- visible: true
+ visible: 1
name: Visible list
-
id: 2
uid: 42
- visible: false
+ visible: 0
name: Private list
search:
--- /dev/null
+<?php
+
+namespace Friendica\Test\src\Core\Lock;
+
+
+use Friendica\Core\Cache\ArrayCache;
+use Friendica\Core\Lock\CacheLockDriver;
+
+class CacheLockDriverTest extends LockTest
+{
+ /**
+ * @var \Friendica\Core\Cache\IMemoryCacheDriver
+ */
+ private $cache;
+
+ protected function getInstance()
+ {
+ $this->cache = new ArrayCache();
+ return new CacheLockDriver($this->cache);
+ }
+
+ public function tearDown()
+ {
+ $this->cache->clear();
+ parent::tearDown();
+ }
+}
\ No newline at end of file
--- /dev/null
+<?php
+
+namespace Friendica\Test\src\Core\Lock;
+
+use dba;
+use Friendica\Core\Lock\DatabaseLockDriver;
+use Friendica\Database\DBStructure;
+use PHPUnit\DbUnit\DataSet\YamlDataSet;
+use PHPUnit\DbUnit\TestCaseTrait;
+use PHPUnit_Extensions_Database_DB_IDatabaseConnection;
+
+class DatabaseLockDriverTest extends LockTest
+{
+ use TestCaseTrait;
+
+ /**
+ * Get database connection.
+ *
+ * This function is executed before each test in order to get a database connection that can be used by tests.
+ * If no prior connection is available, it tries to create one using the USER, PASS and DB environment variables.
+ *
+ * If it could not connect to the database, the test is skipped.
+ *
+ * @return PHPUnit_Extensions_Database_DB_IDatabaseConnection
+ * @see https://phpunit.de/manual/5.7/en/database.html
+ */
+ protected function getConnection()
+ {
+ if (!dba::$connected) {
+ dba::connect('localhost', getenv('USER'), getenv('PASS'), getenv('DB'));
+
+ if (dba::$connected) {
+ $app = get_app();
+ // We need to do this in order to disable logging
+ $app->module = 'install';
+
+ // Create database structure
+ DBStructure::update(false, true, true);
+ } else {
+ $this->markTestSkipped('Could not connect to the database.');
+ }
+ }
+
+ return $this->createDefaultDBConnection(dba::get_db(), getenv('DB'));
+ }
+
+ /**
+ * Get dataset to populate the database with.
+ * @return YamlDataSet
+ * @see https://phpunit.de/manual/5.7/en/database.html
+ */
+ protected function getDataSet()
+ {
+ return new YamlDataSet(__DIR__ . '/../../../datasets/api.yml');
+ }
+
+ protected function getInstance()
+ {
+ return new DatabaseLockDriver();
+ }
+
+ public function tearDown()
+ {
+ dba::delete('locks', [ 'id > 0']);
+ parent::tearDown();
+ }
+}
\ No newline at end of file
--- /dev/null
+<?php
+
+namespace Friendica\Test\src\Core\Lock;
+
+use Friendica\App;
+use Friendica\Core\Config;
+use PHPUnit\Framework\TestCase;
+
+abstract class LockTest extends TestCase
+{
+ /**
+ * @var \Friendica\Core\Lock\ILockDriver
+ */
+ protected $instance;
+
+ abstract protected function getInstance();
+
+ protected function setUp()
+ {
+ global $a;
+ parent::setUp();
+ $this->instance = $this->getInstance();
+
+ // Reusable App object
+ $this->app = new App(__DIR__.'/../');
+ $a = $this->app;
+
+ // Default config
+ Config::set('config', 'hostname', 'localhost');
+ Config::set('system', 'throttle_limit_day', 100);
+ Config::set('system', 'throttle_limit_week', 100);
+ Config::set('system', 'throttle_limit_month', 100);
+ Config::set('system', 'theme', 'system_theme');
+ }
+
+ public function testLock() {
+ $this->instance->acquireLock('foo', 1);
+ $this->assertTrue($this->instance->isLocked('foo'));
+ $this->assertFalse($this->instance->isLocked('bar'));
+ }
+
+ public function testDoubleLock() {
+ $this->instance->acquireLock('foo', 1);
+ $this->assertTrue($this->instance->isLocked('foo'));
+ // We already locked it
+ $this->assertTrue($this->instance->acquireLock('foo', 1));
+ }
+
+ public function testReleaseLock() {
+ $this->instance->acquireLock('foo', 1);
+ $this->assertTrue($this->instance->isLocked('foo'));
+ $this->instance->releaseLock('foo');
+ $this->assertFalse($this->instance->isLocked('foo'));
+ }
+
+ public function testReleaseAll() {
+ $this->instance->acquireLock('foo', 1);
+ $this->instance->acquireLock('bar', 1);
+ $this->instance->acquireLock('nice', 1);
+
+ $this->instance->releaseAll();
+
+ $this->assertFalse($this->instance->isLocked('foo'));
+ $this->assertFalse($this->instance->isLocked('bar'));
+ $this->assertFalse($this->instance->isLocked('nice'));
+ }
+
+ public function testReleaseAfterUnlock() {
+ $this->instance->acquireLock('foo', 1);
+ $this->instance->acquireLock('bar', 1);
+ $this->instance->acquireLock('nice', 1);
+
+ $this->instance->releaseLock('foo');
+
+ $this->instance->releaseAll();
+
+ $this->assertFalse($this->instance->isLocked('bar'));
+ $this->assertFalse($this->instance->isLocked('#/$%ยง'));
+ }
+}
\ No newline at end of file
--- /dev/null
+<?php
+
+namespace Friendica\Test\src\Core\Lock;
+
+
+use Friendica\Core\Lock\SemaphoreLockDriver;
+
+class SemaphoreLockDriverTest extends LockTest
+{
+ /**
+ * @var \Friendica\Core\Lock\SemaphoreLockDriver
+ */
+ private $semaphoreLockDriver;
+
+ protected function getInstance()
+ {
+ $this->semaphoreLockDriver = new SemaphoreLockDriver();
+ return $this->semaphoreLockDriver;
+ }
+
+ public function tearDown()
+ {
+ $this->semaphoreLockDriver->releaseAll();
+ parent::tearDown();
+ }
+}
\ No newline at end of file