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<?php namespace Comodojo\Cache\Drivers; |
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use \Comodojo\Cache\Traits\InstanceTrait; |
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use \Comodojo\Foundation\Utils\UniqueId; |
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use \Memcached as MemcachedInstance; |
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use \Exception; |
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/** |
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* @package Comodojo Spare Parts |
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* @author Marco Giovinazzi <[email protected]> |
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* @license MIT |
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* |
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* LICENSE: |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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* THE SOFTWARE. |
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*/ |
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class Memcached extends AbstractDriver { |
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use InstanceTrait; |
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const DRIVER_NAME = "memcached"; |
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/** |
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* {@inheritdoc} |
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*/ |
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public function __construct(array $configuration = []) { |
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if ( class_exists('Memcached') === false ) throw new Exception("ext-memcached not available"); |
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$instance = new MemcachedInstance($configuration['persistent_id']); |
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$instance->addServer( |
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$configuration['server'], |
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$configuration['port'], |
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$configuration['weight'] |
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); |
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if ( !empty($configuration['username']) && !empty($configuration['password']) ) { |
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$instance->setOption(MemcachedInstance::OPT_BINARY_PROTOCOL, true); |
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$instance->setSaslAuthData($configuration['username'], $configuration['password']); |
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} |
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$this->setInstance($instance); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function test() { |
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return sizeof($this->getInstance()->getServerList()) > 0 && $this->ping(); |
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} |
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public function ping() { |
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// try to read a fake value from cache and check it's return code |
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$instance = $this->getInstance(); |
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$instance->get('cache-internals'); |
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$code = $instance->getResultCode(); |
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// check if code represents a failure |
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// $code != [MEMCACHED_SUCCESS, MEMCACHED_NOTFOUND] |
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return in_array($code, [0, 16]); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function get($key, $namespace) { |
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$scope = $this->getNamespaceKey($namespace); |
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if ( $scope === false ) return null; |
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$shadowName = "$scope-$key"; |
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$instance = $this->getInstance(); |
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$item = $instance->get($shadowName); |
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return $instance->getResultCode() == MemcachedInstance::RES_NOTFOUND ? null : $item; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function set($key, $namespace, $value, $ttl = null) { |
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if ( $ttl == null ) $ttl = 0; |
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$scope = $this->getNamespaceKey($namespace); |
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if ( $scope === false ) $scope = $this->setNamespaceKey($namespace); |
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if ( $scope === false ) return false; |
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$shadowName = "$scope-$key"; |
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return $this->getInstance()->set($shadowName, $value, $ttl); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function delete($key, $namespace) { |
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$scope = $this->getNamespaceKey($namespace); |
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if ( $scope === false ) return false; |
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$shadowName = "$scope-$key"; |
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return $this->getInstance()->delete($shadowName); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function clear($namespace = null) { |
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if ( $namespace == null ) { |
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return $this->getInstance()->flush(); |
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} else { |
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$scope = $this->getNamespaceKey($namespace); |
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if ( $scope === false ) return false; |
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return $this->getInstance()->delete($namespace); |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getMultiple(array $keys, $namespace) { |
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if ( empty($keys) ) return []; |
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$keypad = array_combine($keys, array_fill(0, count($keys), null)); |
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$scope = $this->getNamespaceKey($namespace); |
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if ( $scope === false ) return $keypad; |
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$keyscope = array_map(function($key) use($scope) { |
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return "$scope-$key"; |
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}, $keys); |
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if ( version_compare(phpversion(), '7.0.0', '<') ) { |
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$data = $this->getInstance()->getMulti($keyscope, $null = null, MemcachedInstance::GET_PRESERVE_ORDER); |
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} else { |
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$data = $this->getInstance()->getMulti($keyscope, MemcachedInstance::GET_PRESERVE_ORDER); |
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} |
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$return = []; |
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foreach ( $data as $scoped_key => $value ) { |
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$key = substr($scoped_key, strlen("$scope-")); |
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$return[$key] = $value; |
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} |
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return array_replace($keypad, $return); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function setMultiple(array $key_values, $namespace, $ttl = null) { |
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if ( $ttl == null ) $ttl = 0; |
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$scope = $this->getNamespaceKey($namespace); |
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if ( $scope === false ) $scope = $this->setNamespaceKey($namespace); |
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if ( $scope === false ) return false; |
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$shadowNames = []; |
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foreach ( $key_values as $key => $value ) { |
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$shadowNames["$scope-$key"] = $value; |
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} |
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return $this->getInstance()->setMulti($shadowNames, $ttl); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function deleteMultiple(array $keys, $namespace) { |
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$scope = $this->getNamespaceKey($namespace); |
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if ( $scope === false ) return false; |
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$shadowNames = array_map(function($key) use($scope) { |
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return "$scope-$key"; |
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}, $keys); |
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$delete = $this->getInstance()->deleteMulti($shadowNames); |
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return count(array_diff(array_unique($delete), [true])) === 0; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function has($key, $namespace) { |
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return $this->get($key, $namespace) === null ? false : true; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function stats() { |
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return $this->getInstance()->getStats(); |
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} |
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/** |
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* Set namespace key |
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* |
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* @return mixed |
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*/ |
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private function setNamespaceKey($namespace) { |
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$uId = UniqueId::generate(64); |
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return $this->getInstance()->set($namespace, $uId, 0) === false ? false : $uId; |
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} |
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/** |
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* Get namespace key |
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* |
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* @return string |
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*/ |
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private function getNamespaceKey($namespace) { |
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return $this->getInstance()->get($namespace); |
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} |
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} |
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comodojo /
cache
Loading history...
This check looks for calls to methods that do not seem to exist on a given type. It looks for the method on the type itself as well as in inherited classes or implemented interfaces.
This is most likely a typographical error or the method has been renamed.