--- /dev/null
+<?php
+
+declare(strict_types=1);
+
+/*
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * This software consists of voluntary contributions made by many individuals
+ * and is licensed under the MIT license. For more information, see
+ * <http://www.doctrine-project.org>.
+ */
+
+namespace Doctrine\Common\Cache;
+
+use MongoDB\BSON\Binary;
+use MongoDB\BSON\UTCDateTime;
+use MongoDB\Collection;
+use MongoDB\Database;
+use MongoDB\Driver\Exception\Exception;
+use MongoDB\Model\BSONDocument;
+
+/**
+ * MongoDB cache provider for ext-mongodb
+ *
+ * @internal Do not use - will be removed in 2.0. Use MongoDBCache instead
+ */
+class ExtMongoDBCache extends CacheProvider
+{
+ /**
+ * @var Database
+ */
+ private $database;
+
+ /**
+ * @var Collection
+ */
+ private $collection;
+
+ /**
+ * @var bool
+ */
+ private $expirationIndexCreated = false;
+
+ /**
+ * Constructor.
+ *
+ * This provider will default to the write concern and read preference
+ * options set on the Database instance (or inherited from MongoDB or
+ * Client). Using an unacknowledged write concern (< 1) may make the return
+ * values of delete() and save() unreliable. Reading from secondaries may
+ * make contain() and fetch() unreliable.
+ *
+ * @see http://www.php.net/manual/en/mongo.readpreferences.php
+ * @see http://www.php.net/manual/en/mongo.writeconcerns.php
+ * @param Collection $collection
+ */
+ public function __construct(Collection $collection)
+ {
+ // Ensure there is no typemap set - we want to use our own
+ $this->collection = $collection->withOptions(['typeMap' => null]);
+ $this->database = new Database($collection->getManager(), $collection->getDatabaseName());
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function doFetch($id)
+ {
+ $document = $this->collection->findOne(['_id' => $id], [MongoDBCache::DATA_FIELD, MongoDBCache::EXPIRATION_FIELD]);
+
+ if ($document === null) {
+ return false;
+ }
+
+ if ($this->isExpired($document)) {
+ $this->createExpirationIndex();
+ $this->doDelete($id);
+ return false;
+ }
+
+ return unserialize($document[MongoDBCache::DATA_FIELD]->getData());
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function doContains($id)
+ {
+ $document = $this->collection->findOne(['_id' => $id], [MongoDBCache::EXPIRATION_FIELD]);
+
+ if ($document === null) {
+ return false;
+ }
+
+ if ($this->isExpired($document)) {
+ $this->createExpirationIndex();
+ $this->doDelete($id);
+ return false;
+ }
+
+ return true;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function doSave($id, $data, $lifeTime = 0)
+ {
+ try {
+ $this->collection->updateOne(
+ ['_id' => $id],
+ ['$set' => [
+ MongoDBCache::EXPIRATION_FIELD => ($lifeTime > 0 ? new UTCDateTime((time() + $lifeTime) * 1000): null),
+ MongoDBCache::DATA_FIELD => new Binary(serialize($data), Binary::TYPE_GENERIC),
+ ]],
+ ['upsert' => true]
+ );
+ } catch (Exception $e) {
+ return false;
+ }
+
+ return true;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function doDelete($id)
+ {
+ try {
+ $this->collection->deleteOne(['_id' => $id]);
+ } catch (Exception $e) {
+ return false;
+ }
+
+ return true;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function doFlush()
+ {
+ try {
+ // Use remove() in lieu of drop() to maintain any collection indexes
+ $this->collection->deleteMany([]);
+ } catch (Exception $e) {
+ return false;
+ }
+
+ return true;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function doGetStats()
+ {
+ $uptime = null;
+ $memoryUsage = null;
+
+ try {
+ $serverStatus = $this->database->command([
+ 'serverStatus' => 1,
+ 'locks' => 0,
+ 'metrics' => 0,
+ 'recordStats' => 0,
+ 'repl' => 0,
+ ])->toArray()[0];
+ $uptime = $serverStatus['uptime'] ?? null;
+ } catch (Exception $e) {
+ }
+
+ try {
+ $collStats = $this->database->command(['collStats' => $this->collection->getCollectionName()])->toArray()[0];
+ $memoryUsage = $collStats['size'] ?? null;
+ } catch (Exception $e) {
+ }
+
+ return [
+ Cache::STATS_HITS => null,
+ Cache::STATS_MISSES => null,
+ Cache::STATS_UPTIME => $uptime,
+ Cache::STATS_MEMORY_USAGE => $memoryUsage,
+ Cache::STATS_MEMORY_AVAILABLE => null,
+ ];
+ }
+
+ /**
+ * Check if the document is expired.
+ *
+ * @param BSONDocument $document
+ *
+ * @return bool
+ */
+ private function isExpired(BSONDocument $document): bool
+ {
+ return isset($document[MongoDBCache::EXPIRATION_FIELD]) &&
+ $document[MongoDBCache::EXPIRATION_FIELD] instanceof UTCDateTime &&
+ $document[MongoDBCache::EXPIRATION_FIELD]->toDateTime() < new \DateTime();
+ }
+
+ private function createExpirationIndex(): void
+ {
+ if ($this->expirationIndexCreated) {
+ return;
+ }
+
+ $this->collection->createIndex([MongoDBCache::EXPIRATION_FIELD => 1], ['background' => true, 'expireAfterSeconds' => 0]);
+ }
+}
projects / yaffs-website / blobdiff