ts-website/lib/phpfastcache/phpFastCache/Drivers/ssdb.php

192 lines
4.6 KiB
PHP
Raw Normal View History

2016-06-28 21:18:59 +00:00
<?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);
}
}
}