v 1.4.0

- Updated local libraries - PHP 7.1 support - New, proper caching method - Special cache folder
2017-01-29 22:56:17 +01:00
parent af2d44a713
commit 1ffaee0730
110 changed files with 8445 additions and 4370 deletions
@@ -0,0 +1,175 @@
+<?php
+/**
+ *
+ * This file is part of phpFastCache.
+ *
+ * @license MIT License (MIT)
+ *
+ * For full copyright and license information, please see the docs/CREDITS.txt file.
+ *
+ * @author Khoa Bui (khoaofgod)  <khoaofgod@gmail.com> http://www.phpfastcache.com
+ * @author Georges.L (Geolim4)  <contact@geolim4.com>
+ *
+ */
+
+namespace phpFastCache\Drivers\Memcached;
+
+use Memcached as MemcachedSoftware;
+use phpFastCache\Core\DriverAbstract;
+use phpFastCache\Core\MemcacheDriverCollisionDetectorTrait;
+use phpFastCache\Core\StandardPsr6StructureTrait;
+use phpFastCache\Entities\driverStatistic;
+use phpFastCache\Exceptions\phpFastCacheDriverCheckException;
+use phpFastCache\Exceptions\phpFastCacheDriverException;
+use Psr\Cache\CacheItemInterface;
+
+/**
+ * Class Driver
+ * @package phpFastCache\Drivers
+ */
+class Driver extends DriverAbstract
+{
+    use MemcacheDriverCollisionDetectorTrait;
+
+    /**
+     * Driver constructor.
+     * @param array $config
+     * @throws phpFastCacheDriverException
+     */
+    public function __construct(array $config = [])
+    {
+        self::checkCollision('Memcached');
+        $this->setup($config);
+
+        if (!$this->driverCheck()) {
+            throw new phpFastCacheDriverCheckException(sprintf(self::DRIVER_CHECK_FAILURE, $this->getDriverName()));
+        } else {
+            $this->instance = new MemcachedSoftware();
+            $this->driverConnect();
+        }
+    }
+
+    /**
+     * @return bool
+     */
+    public function driverCheck()
+    {
+        return class_exists('Memcached');
+    }
+
+    /**
+     * @param \Psr\Cache\CacheItemInterface $item
+     * @return mixed
+     * @throws \InvalidArgumentException
+     */
+    protected function driverWrite(CacheItemInterface $item)
+    {
+        /**
+         * Check for Cross-Driver type confusion
+         */
+        if ($item instanceof Item) {
+            $ttl = $item->getExpirationDate()->getTimestamp() - time();
+
+            // Memcache will only allow a expiration timer less than 2592000 seconds,
+            // otherwise, it will assume you're giving it a UNIX timestamp.
+            if ($ttl > 2592000) {
+                $ttl = time() + $ttl;
+            }
+
+            return $this->instance->set($item->getKey(), $this->driverPreWrap($item), $ttl);
+        } else {
+            throw new \InvalidArgumentException('Cross-Driver type confusion detected');
+        }
+    }
+
+    /**
+     * @param \Psr\Cache\CacheItemInterface $item
+     * @return mixed
+     */
+    protected function driverRead(CacheItemInterface $item)
+    {
+        $val = $this->instance->get($item->getKey());
+
+        if ($val === false) {
+            return null;
+        } else {
+            return $val;
+        }
+    }
+
+    /**
+     * @param \Psr\Cache\CacheItemInterface $item
+     * @return bool
+     * @throws \InvalidArgumentException
+     */
+    protected function driverDelete(CacheItemInterface $item)
+    {
+        /**
+         * Check for Cross-Driver type confusion
+         */
+        if ($item instanceof Item) {
+            return $this->instance->delete($item->getKey());
+        } else {
+            throw new \InvalidArgumentException('Cross-Driver type confusion detected');
+        }
+    }
+
+    /**
+     * @return bool
+     */
+    protected function driverClear()
+    {
+        return $this->instance->flush();
+    }
+
+    /**
+     * @return bool
+     */
+    protected function driverConnect()
+    {
+        $servers = (!empty($this->config[ 'memcache' ]) && is_array($this->config[ 'memcache' ]) ? $this->config[ 'memcache' ] : []);
+        if (count($servers) < 1) {
+            $servers = [
+              ['127.0.0.1', 11211],
+            ];
+        }
+
+        foreach ($servers as $server) {
+            try {
+                if (!$this->instance->addServer($server[ 0 ], $server[ 1 ])) {
+                    $this->fallback = true;
+                }
+                if(!empty($server[ 'sasl_user' ]) && !empty($server[ 'sasl_password'])){
+                    $this->instance->setSaslAuthData($server[ 'sasl_user' ], $server[ 'sasl_password']);
+                }
+            } catch (\Exception $e) {
+                $this->fallback = true;
+            }
+        }
+    }
+
+    /********************
+     *
+     * PSR-6 Extended Methods
+     *
+     *******************/
+
+    /**
+     * @return driverStatistic
+     */
+    public function getStats()
+    {
+        $stats = (array) $this->instance->getStats();
+        $stats[ 'uptime' ] = (isset($stats[ 'uptime' ]) ? $stats[ 'uptime' ] : 0);
+        $stats[ 'version' ] = (isset($stats[ 'version' ]) ? $stats[ 'version' ] : 'UnknownVersion');
+        $stats[ 'bytes' ] = (isset($stats[ 'bytes' ]) ? $stats[ 'version' ] : 0);
+
+        $date = (new \DateTime())->setTimestamp(time() - $stats[ 'uptime' ]);
+
+        return (new driverStatistic())
+          ->setData(implode(', ', array_keys($this->itemInstances)))
+          ->setInfo(sprintf("The memcache daemon v%s is up since %s.\n For more information see RawData.", $stats[ 'version' ], $date->format(DATE_RFC2822)))
+          ->setRawData($stats)
+          ->setSize($stats[ 'bytes' ]);
+    }
+}