Initial commit

lib/phpfastcache/phpFastCache/Drivers/ssdb.php

@@ -0,0 +1,191 @@
+<?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;
+
+use phpFastCache\Core\DriverAbstract;
+
+/**
+ * Class ssdb
+ * @package phpFastCache\Drivers
+ */
+class ssdb extends DriverAbstract
+{
+
+    /**
+     * @var bool
+     */
+    private $checked_ssdb = false;
+
+    /**
+     * phpFastCache_ssdb constructor.
+     * @param array $config
+     */
+    public function __construct($config = array())
+    {
+        $this->setup($config);
+        if (!$this->checkdriver() && !isset($config[ 'skipError' ])) {
+            $this->fallback = true;
+        }
+    }
+
+    /**
+     * @return bool
+     */
+    public function checkdriver()
+    {
+        // Check memcache
+        $this->required_extension('SSDB');
+        if (class_exists('SimpleSSDB')) {
+            return true;
+        }
+        $this->fallback = true;
+        return false;
+    }
+
+
+    /**
+     * @return bool
+     */
+    public function connectServer()
+    {
+
+        $server = isset($this->config[ 'ssdb' ]) ? $this->config[ 'ssdb' ] : array(
+          'host' => "127.0.0.1",
+          'port' => 8888,
+          'password' => '',
+          'timeout' => 2000,
+        );
+
+        if ($this->checked_ssdb === false) {
+            $host = $server[ 'host' ];
+            $port = isset($server[ 'port' ]) ? (int)$server[ 'port' ] : 8888;
+            $password = isset($server[ 'password' ]) ? $server[ 'password' ] : '';
+            $timeout = !empty($server[ 'timeout' ]) ? (int)$server[ 'timeout' ] : 2000;
+            $this->instant = new \SimpleSSDB($host, $port, $timeout);
+            if (!empty($password)) {
+                $this->instant->auth($password);
+            }
+            $this->checked_ssdb = true;
+            if (!$this->instant) {
+                $this->fallback = true;
+                return false;
+            } else {
+                return true;
+            }
+        }
+
+        return true;
+    }
+
+    /**
+     * @param $keyword
+     * @param string $value
+     * @param int $time
+     * @param array $option
+     * @return bool
+     */
+    public function driver_set($keyword, $value = '', $time = 300, $option = array())
+    {
+        if ($this->connectServer()) {
+            if (isset($option[ 'skipExisting' ]) && $option[ 'skipExisting' ] == true) {
+                $x = $this->instant->get($keyword);
+                if ($x === false) {
+                    return false;
+                } elseif (!is_null($x)) {
+                    return true;
+                }
+            }
+            $value = $this->encode($value);
+            return $this->instant->setx($keyword, $value, $time);
+        } else {
+            return $this->backup()->set($keyword, $value, $time, $option);
+        }
+    }
+
+    /**
+     * @param $keyword
+     * @param array $option
+     * @return mixed|null
+     */
+    public function driver_get($keyword, $option = array())
+    {
+        if ($this->connectServer()) {
+            // return null if no caching
+            // return value if in caching'
+            $x = $this->instant->get($keyword);
+            if ($x == false) {
+                return null;
+            } else {
+                return $this->decode($x);
+            }
+        } else {
+            $this->backup()->get($keyword, $option);
+        }
+    }
+
+    /**
+     * @param $keyword
+     * @param array $option
+     */
+    public function driver_delete($keyword, $option = array())
+    {
+        if ($this->connectServer()) {
+            $this->instant->del($keyword);
+        }
+    }
+
+    /**
+     * @param array $option
+     * @return array
+     */
+    public function driver_stats($option = array())
+    {
+        if ($this->connectServer()) {
+            $res = array(
+              'info' => '',
+              'size' => $this->instant->dbsize(),
+              'data' => $this->instant->info(),
+            );
+
+            return $res;
+        }
+
+        return array();
+    }
+
+    /**
+     * @param array $option
+     * @return bool
+     */
+    public function driver_clean($option = array())
+    {
+        //Is not supported, only support command line operations
+        return false;
+    }
+
+    /**
+     * @param $keyword
+     * @return bool
+     */
+    public function driver_isExisting($keyword)
+    {
+        if ($this->connectServer()) {
+            $x = $this->instant->exists($keyword);
+            return !($x == null);
+        } else {
+            return $this->backup()->isExisting($keyword);
+        }
+    }
+}