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<?php
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/**
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* This file is part of mmdtl/autolock.
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*
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* (c) liulu <[email protected]>
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*
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* For the full copyright and license information, please view the "LICENSE.md"
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* file that was distributed with this source code.
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*/
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namespace AutoLock;
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use autolock\Drivers\Driver;
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use AutoLock\Exception\ServerConnectException;
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use AutoLock\Exception\ServersOperateException;
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/**
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* Class Server is object to connect to redis server , create and release lock.
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*
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* @package AutoLock
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* @author Liu Lu <[email protected]>
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* @since 0.1
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*/
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class Server
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{
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/**
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* @var Config
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*/
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private $config;
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/**
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* @var Driver;
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*/
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private $instance;
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/**
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* @var Driver
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*/
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protected $driver;
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/**
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* Server constructor.
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* @param Config $config
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* @param Driver $driver
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*/
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public function __construct(Config $config, Driver $driver)
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{
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$this->config = $config;
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$this->driver = $driver;
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}
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/**
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* @return Config
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*/
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public function getConfig()
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{
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return $this->config;
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}
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/**
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* @return Driver
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*/
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public function getDriver()
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{
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return $this->driver;
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}
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/**
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* @throws ServerConnectException
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* @throws ServersOperateException
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*/
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protected function open()
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{
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if (empty($this->instance)) {
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$config = $this->config;
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$driver = $this->driver;
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$status = $driver->connect($config->getHost(), $config->getPort(), $config->getTimeout());
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if ($status !== true) {
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throw new ServerConnectException('server connect fail.');
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}
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$optionName = $driver->getPrefixOptionName();
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$prefix = $config->getPrefix();
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$status = $driver->setOption($optionName, $prefix);
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if ($status !== true) {
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throw new ServersOperateException("server set option $optionName:$prefix fail.");
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}
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$this->instance = $driver;
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}
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}
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/**
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* @param $key
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* @param $value
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* @param array $Options
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* @return Bool
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*/
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public function set($key, $value, $Options = array())
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{
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return $this->getInstance()->set($key, $value, $Options);
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}
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/**
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* @param $script
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* @param array $args
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* @param int $numKeys
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* @return mixed
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*/
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public function evalScript($script, $args = array(), $numKeys = 0)
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{
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return $this->getInstance()->evalScript($script, $args, $numKeys);
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}
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/**
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* @return bool
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*/
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public function available()
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{
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$status = false;
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$successPingString = Driver::PONG_STRING;
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$responseString = $this->getInstance()->ping();
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if ($responseString === $successPingString) {
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$status = true;
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}
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return $status;
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}
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/**
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* @return Driver
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* @throws ServerConnectException
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* @throws ServersOperateException
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*/
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public function getInstance()
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{
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$this->open();
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return $this->instance;
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}
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}
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mmdtl /
autolock
