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

222 lines
5.2 KiB
PHP

<?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;
use Predis\Client as PredisSoftware;
/**
* Class predis
* @package phpFastCache\Drivers
*/
class predis extends DriverAbstract
{
/**
* @var bool
*/
public $checked_redis = false;
/**
* phpFastCache_predis constructor.
* @param array $config
*/
public function __construct($config = array())
{
$this->setup($config);
if (!class_exists("\\Predis\\Client")) {
$this->required_extension("predis-1.0/autoload");
}
}
/**
* @return bool
*/
public function checkdriver()
{
// Check memcache
if (!class_exists("\\Predis\\Client")) {
$this->required_extension("predis-1.0/autoload");
try {
\Predis\Autoloader::register();
} catch (\Exception $e) {
}
}
return true;
}
/**
* @return bool
*/
public function connectServer()
{
$server = isset($this->config[ 'redis' ]) ? $this->config[ 'redis' ] : array(
'host' => '127.0.0.1',
'port' => '6379',
'password' => '',
'database' => '',
);
if ($this->checked_redis === false) {
$c = array(
'host' => $server[ 'host' ],
);
$port = isset($server[ 'port' ]) ? $server[ 'port' ] : '';
if ($port != '') {
$c[ 'port' ] = $port;
}
$password = isset($server[ 'password' ]) ? $server[ 'password' ] : '';
if ($password != '') {
$c[ 'password' ] = $password;
}
$database = isset($server[ 'database' ]) ? $server[ 'database' ] : '';
if ($database != '') {
$c[ 'database' ] = $database;
}
$timeout = isset($server[ 'timeout' ]) ? $server[ 'timeout' ] : '';
if ($timeout != '') {
$c[ 'timeout' ] = $timeout;
}
$read_write_timeout = isset($server[ 'read_write_timeout' ]) ? $server[ 'read_write_timeout' ] : '';
if ($read_write_timeout != '') {
$c[ 'read_write_timeout' ] = $read_write_timeout;
}
$this->instant = new PredisSoftware($c);
$this->checked_redis = true;
if (!$this->instant) {
$this->fallback = true;
return false;
} else {
return true;
}
}
return true;
}
/**
* @param $keyword
* @param string $value
* @param int $time
* @param array $option
* @return mixed
*/
public function driver_set($keyword, $value = '', $time = 300, $option = array())
{
if ($this->connectServer()) {
$value = $this->encode($value);
if (isset($option[ 'skipExisting' ]) && $option[ 'skipExisting' ] == true) {
return $this->instant->setex($keyword, $time, $value);
} else {
return $this->instant->setex($keyword, $time, $value);
}
} 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' => '',
'data' => $this->instant->info(),
);
return $res;
}
return array();
}
/**
* @param array $option
* @return void
*/
public function driver_clean($option = array())
{
if ($this->connectServer()) {
$this->instant->flushDB();
}
}
/**
* @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);
}
}
}