initial commit; version 22.5.12042

libs/Phpfastcache8/Drivers/Ssdb/Driver.php

@@ -0,0 +1,156 @@
+<?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> https://www.phpfastcache.com
+ * @author Georges.L (Geolim4)  <contact@geolim4.com>
+ *
+ */
+declare(strict_types=1);
+
+namespace Phpfastcache\Drivers\Ssdb;
+
+use Phpfastcache\Cluster\AggregatablePoolInterface;
+use Phpfastcache\Core\Pool\{DriverBaseTrait, ExtendedCacheItemPoolInterface};
+use Phpfastcache\Entities\DriverStatistic;
+use Phpfastcache\Exceptions\{PhpfastcacheDriverCheckException, PhpfastcacheDriverException, PhpfastcacheInvalidArgumentException};
+use phpssdb\Core\{SimpleSSDB, SSDBException};
+use Psr\Cache\CacheItemInterface;
+
+
+/**
+ * Class Driver
+ * @package phpFastCache\Drivers
+ * @property SimpleSSDB $instance Instance of driver service
+ * @property Config $config Config object
+ * @method Config getConfig() Return the config object
+ */
+class Driver implements ExtendedCacheItemPoolInterface, AggregatablePoolInterface
+{
+    use DriverBaseTrait;
+
+    /**
+     * @return bool
+     */
+    public function driverCheck(): bool
+    {
+        static $driverCheck;
+        if ($driverCheck === null) {
+            return ($driverCheck = class_exists('phpssdb\Core\SSDB'));
+        }
+
+        return $driverCheck;
+    }
+
+    /**
+     * @return DriverStatistic
+     */
+    public function getStats(): DriverStatistic
+    {
+        $stat = new DriverStatistic();
+        $info = $this->instance->info();
+
+        /**
+         * Data returned by Ssdb are very poorly formatted
+         * using hardcoded offset of pair key-value :-(
+         */
+        $stat->setInfo(sprintf("Ssdb-server v%s with a total of %s call(s).\n For more information see RawData.", $info[2], $info[6]))
+            ->setRawData($info)
+            ->setData(implode(', ', array_keys($this->itemInstances)))
+            ->setSize($this->instance->dbsize());
+
+        return $stat;
+    }
+
+    /**
+     * @return bool
+     * @throws PhpfastcacheDriverException
+     */
+    protected function driverConnect(): bool
+    {
+        try {
+            $clientConfig = $this->getConfig();
+
+            $this->instance = new SimpleSSDB($clientConfig->getHost(), $clientConfig->getPort(), $clientConfig->getTimeout());
+            if (!empty($clientConfig->getPassword())) {
+                $this->instance->auth($clientConfig->getPassword());
+            }
+
+            if (!$this->instance) {
+                return false;
+            }
+
+            return true;
+        } catch (SSDBException $e) {
+            throw new PhpfastcacheDriverCheckException('Ssdb failed to connect with error: ' . $e->getMessage(), 0, $e);
+        }
+    }
+
+    /**
+     * @param CacheItemInterface $item
+     * @return null|array
+     */
+    protected function driverRead(CacheItemInterface $item)
+    {
+        $val = $this->instance->get($item->getEncodedKey());
+        if ($val == false) {
+            return null;
+        }
+
+        return $this->decode($val);
+    }
+
+    /**
+     * @param CacheItemInterface $item
+     * @return mixed
+     * @throws PhpfastcacheInvalidArgumentException
+     */
+    protected function driverWrite(CacheItemInterface $item): bool
+    {
+        /**
+         * Check for Cross-Driver type confusion
+         */
+        if ($item instanceof Item) {
+            return (bool)$this->instance->setx($item->getEncodedKey(), $this->encode($this->driverPreWrap($item)), $item->getTtl());
+        }
+
+        throw new PhpfastcacheInvalidArgumentException('Cross-Driver type confusion detected');
+    }
+
+    /**
+     * @param CacheItemInterface $item
+     * @return bool
+     * @throws PhpfastcacheInvalidArgumentException
+     */
+    protected function driverDelete(CacheItemInterface $item): bool
+    {
+        /**
+         * Check for Cross-Driver type confusion
+         */
+        if ($item instanceof Item) {
+            return (bool)$this->instance->del($item->getEncodedKey());
+        }
+
+        throw new PhpfastcacheInvalidArgumentException('Cross-Driver type confusion detected');
+    }
+
+    /********************
+     *
+     * PSR-6 Extended Methods
+     *
+     *******************/
+
+    /**
+     * @return bool
+     */
+    protected function driverClear(): bool
+    {
+        return (bool)$this->instance->flushdb('kv');
+    }
+}