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1263 lines
36 KiB
1263 lines
36 KiB
<?php
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// +----------------------------------------------------------------------
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// | PHPSpider [ A PHP Framework For Crawler ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2006-2014 https://doc.phpspider.org All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
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// +----------------------------------------------------------------------
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// | Author: Seatle Yang <seatle@foxmail.com>
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// +----------------------------------------------------------------------
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//----------------------------------
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// PHPSpider Redis操作类文件
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//----------------------------------
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class cls_redis
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{
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/**
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* redis链接标识符号
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*/
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protected static $redis = NULL;
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/**
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* redis配置数组
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*/
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protected static $configs = array();
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private static $links = array();
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private static $link_name = 'default';
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/**
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* 默认redis前缀
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*/
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public static $prefix = "phpspider";
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public static $error = "";
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public static function init()
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{
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if (!extension_loaded("redis"))
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{
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self::$error = "The redis extension was not found";
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return false;
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}
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// 获取配置
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$config = self::$link_name == 'default' ? self::_get_default_config() : self::$configs[self::$link_name];
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// 如果当前链接标识符为空，或者ping不同，就close之后重新打开
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//if ( empty(self::$links[self::$link_name]) || !self::ping() )
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if (empty(self::$links[self::$link_name]))
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{
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self::$links[self::$link_name] = new Redis();
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if (!self::$links[self::$link_name]->connect($config['host'], $config['port'], $config['timeout']))
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{
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self::$error = "Unable to connect to redis server\nPlease check the configuration file config/inc_config.php";
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unset(self::$links[self::$link_name]);
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return false;
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}
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// 验证
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if ($config['pass'])
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{
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if ( !self::$links[self::$link_name]->auth($config['pass']) )
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{
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self::$error = "Redis Server authentication failed\nPlease check the configuration file config/inc_config.php";
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unset(self::$links[self::$link_name]);
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return false;
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}
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}
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$prefix = empty($config['prefix']) ? self::$prefix : $config['prefix'];
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self::$links[self::$link_name]->setOption(Redis::OPT_PREFIX, $prefix . ":");
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self::$links[self::$link_name]->setOption(Redis::OPT_READ_TIMEOUT, -1);
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self::$links[self::$link_name]->select($config['db']);
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}
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return self::$links[self::$link_name];
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}
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public static function clear_link()
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{
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if(self::$links)
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{
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foreach(self::$links as $k=>$v)
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{
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$v->close();
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unset(self::$links[$k]);
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}
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}
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}
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public static function set_connect($link_name, $config = array())
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{
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self::$link_name = $link_name;
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if (!empty($config))
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{
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self::$configs[self::$link_name] = $config;
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}
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else
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{
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if (empty(self::$configs[self::$link_name]))
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{
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throw new Exception("You not set a config array for connect!");
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}
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}
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//print_r(self::$configs);
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//// 先断开原来的连接
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//if ( !empty(self::$links[self::$link_name]) )
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//{
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//self::$links[self::$link_name]->close();
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//self::$links[self::$link_name] = null;
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//}
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}
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public static function set_connect_default()
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{
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$config = self::_get_default_config();
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self::set_connect('default', $config);
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}
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/**
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* 获取默认配置
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*/
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protected static function _get_default_config()
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{
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if (empty(self::$configs['default']))
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{
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if (!is_array($GLOBALS['config']['redis']))
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{
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exit('cls_redis.php _get_default_config()' . '没有redis配置');
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// You not set a config array for connect\nPlease check the configuration file config/inc_config.php
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}
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self::$configs['default'] = $GLOBALS['config']['redis'];
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}
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return self::$configs['default'];
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}
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/**
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* set
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*
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* @param mixed $key 键
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* @param mixed $value 值
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* @param int $expire 过期时间，单位：秒
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* @return void
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* @author seatle <seatle@foxmail.com>
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* @created time :2015-12-13 01:05
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*/
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public static function set($key, $value, $expire = 0)
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{
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self::init();
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try
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{
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if ( self::$links[self::$link_name] )
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{
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if ($expire > 0)
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{
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return self::$links[self::$link_name]->setex($key, $expire, $value);
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}
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else
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{
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return self::$links[self::$link_name]->set($key, $value);
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}
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}
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}
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catch (Exception $e)
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{
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$msg = "PHP Fatal error: Uncaught exception 'RedisException' with message '".$e->getMessage()."'\n";
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log::warn($msg);
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if ($e->getCode() == 0)
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{
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self::$links[self::$link_name]->close();
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self::$links[self::$link_name] = null;
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usleep(100000);
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return self::set($key, $value, $expire);
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}
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}
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return NULL;
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}
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/**
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* set
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*
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* @param mixed $key 键
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* @param mixed $value 值
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* @param int $expire 过期时间，单位：秒
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* @return void
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* @author seatle <seatle@foxmail.com>
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* @created time :2015-12-13 01:05
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*/
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public static function setnx($key, $value, $expire = 0)
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{
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self::init();
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try
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{
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if ( self::$links[self::$link_name] )
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{
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if ($expire > 0)
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{
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return self::$links[self::$link_name]->set($key, $value, array('nx', 'ex' => $expire));
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//self::$links[self::$link_name]->multi();
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//self::$links[self::$link_name]->setNX($key, $value);
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//self::$links[self::$link_name]->expire($key, $expire);
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//self::$links[self::$link_name]->exec();
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//return true;
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}
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else
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{
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return self::$links[self::$link_name]->setnx($key, $value);
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}
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}
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}
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catch (Exception $e)
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{
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$msg = "PHP Fatal error: Uncaught exception 'RedisException' with message '".$e->getMessage()."'\n";
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log::warn($msg);
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if ($e->getCode() == 0)
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{
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self::$links[self::$link_name]->close();
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self::$links[self::$link_name] = null;
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usleep(100000);
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return self::setnx($key, $value, $expire);
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}
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}
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return NULL;
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}
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/**
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* 锁
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* 默认锁1秒
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*
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* @param mixed $name 锁的标识名
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* @param mixed $value 锁的值,貌似没啥意义
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* @param int $expire 当前锁的最大生存时间(秒)，必须大于0，超过生存时间系统会自动强制释放锁
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* @param int $interval 获取锁失败后挂起再试的时间间隔(微秒)
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* @return void
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* @author seatle <seatle@foxmail.com>
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* @created time :2016-10-30 23:56
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*/
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public static function lock($name, $value = 1, $expire = 5, $interval = 100000)
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{
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if ($name == null) return false;
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self::init();
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try
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{
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if ( self::$links[self::$link_name] )
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{
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$key = "Lock:{$name}";
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while (true)
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{
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// 因为 setnx 没有 expire 设置，所以还是用set
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//$result = self::$links[self::$link_name]->setnx($key, $value);
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$result = self::$links[self::$link_name]->set($key, $value, array('nx', 'ex' => $expire));
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if ($result != false)
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{
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return true;
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}
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usleep($interval);
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}
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return false;
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}
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}
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catch (Exception $e)
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{
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$msg = "PHP Fatal error: Uncaught exception 'RedisException' with message '".$e->getMessage()."'\n";
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log::warn($msg);
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if ($e->getCode() == 0)
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{
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self::$links[self::$link_name]->close();
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self::$links[self::$link_name] = null;
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// 睡眠100毫秒
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usleep(100000);
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return self::lock($name, $value, $expire, $interval);
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}
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}
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return false;
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}
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public static function unlock($name)
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{
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$key = "Lock:{$name}";
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return self::del($key);
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}
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/**
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* get
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*
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* @param mixed $key
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* @return void
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* @author seatle <seatle@foxmail.com>
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* @created time :2015-12-13 01:05
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*/
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public static function get($key)
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{
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self::init();
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try
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{
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if ( self::$links[self::$link_name] )
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{
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return self::$links[self::$link_name]->get($key);
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}
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}
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catch (Exception $e)
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{
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$msg = "PHP Fatal error: Uncaught exception 'RedisException' with message '".$e->getMessage()."'\n";
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log::warn($msg);
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if ($e->getCode() == 0)
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{
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self::$links[self::$link_name]->close();
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self::$links[self::$link_name] = null;
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usleep(100000);
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return self::get($key);
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}
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}
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return NULL;
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}
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/**
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* del 删除数据
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*
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* @param mixed $key
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* @return void
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* @author seatle <seatle@foxmail.com>
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* @created time :2015-12-13 01:05
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*/
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public static function del($key)
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{
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self::init();
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try
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{
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if ( self::$links[self::$link_name] )
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{
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return self::$links[self::$link_name]->del($key);
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}
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}
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catch (Exception $e)
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{
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$msg = "PHP Fatal error: Uncaught exception 'RedisException' with message '".$e->getMessage()."'\n";
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log::warn($msg);
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if ($e->getCode() == 0)
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{
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self::$links[self::$link_name]->close();
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self::$links[self::$link_name] = null;
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usleep(100000);
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return self::del($key);
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}
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}
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return NULL;
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}
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/**
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* type 返回值的类型
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*
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* @param mixed $key
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* @return void
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* @author seatle <seatle@foxmail.com>
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* @created time :2015-12-13 01:05
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*/
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public static function type($key)
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{
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self::init();
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$types = array(
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'0' => 'set',
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'1' => 'string',
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'3' => 'list',
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);
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try
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{
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if ( self::$links[self::$link_name] )
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{
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$type = self::$links[self::$link_name]->type($key);
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if (isset($types[$type]))
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{
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return $types[$type];
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}
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}
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}
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catch (Exception $e)
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{
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$msg = "PHP Fatal error: Uncaught exception 'RedisException' with message '".$e->getMessage()."'\n";
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log::warn($msg);
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if ($e->getCode() == 0)
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{
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self::$links[self::$link_name]->close();
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self::$links[self::$link_name] = null;
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usleep(100000);
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return self::type($key);
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}
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}
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return NULL;
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}
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/**
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* incr 名称为key的string增加integer, integer为0则增1
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*
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* @param mixed $key
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* @param int $integer
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* @return void
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* @author seatle <seatle@foxmail.com>
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* @created time :2015-12-18 11:28
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*/
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public static function incr($key, $integer = 0)
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{
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self::init();
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try
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{
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if ( self::$links[self::$link_name] )
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{
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if (empty($integer))
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{
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return self::$links[self::$link_name]->incr($key);
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}
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else
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{
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return self::$links[self::$link_name]->incrby($key, $integer);
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}
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}
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}
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catch (Exception $e)
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{
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$msg = "PHP Fatal error: Uncaught exception 'RedisException' with message '".$e->getMessage()."'\n";
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log::warn($msg);
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if ($e->getCode() == 0)
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{
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self::$links[self::$link_name]->close();
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self::$links[self::$link_name] = null;
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usleep(100000);
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return self::incr($key, $integer);
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}
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}
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return NULL;
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}
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/**
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* decr 名称为key的string减少integer, integer为0则减1
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*
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* @param mixed $key
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* @param int $integer
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* @return void
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* @author seatle <seatle@foxmail.com>
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* @created time :2015-12-18 11:28
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*/
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public static function decr($key, $integer = 0)
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{
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self::init();
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try
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{
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if ( self::$links[self::$link_name] )
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{
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if (empty($integer))
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{
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return self::$links[self::$link_name]->decr($key);
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}
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else
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{
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return self::$links[self::$link_name]->decrby($key, $integer);
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}
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}
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}
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catch (Exception $e)
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{
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$msg = "PHP Fatal error: Uncaught exception 'RedisException' with message '".$e->getMessage()."'\n";
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log::warn($msg);
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if ($e->getCode() == 0)
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{
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self::$links[self::$link_name]->close();
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self::$links[self::$link_name] = null;
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usleep(100000);
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return self::decr($key, $integer);
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}
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}
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return NULL;
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}
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/**
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* append 名称为key的string的值附加value
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*
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* @param mixed $key
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* @param mixed $value
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* @return void
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* @author seatle <seatle@foxmail.com>
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* @created time :2015-12-18 11:28
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*/
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public static function append($key, $value)
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{
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self::init();
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try
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{
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if ( self::$links[self::$link_name] )
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{
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return self::$links[self::$link_name]->append($key, $value);
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}
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}
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catch (Exception $e)
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{
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$msg = "PHP Fatal error: Uncaught exception 'RedisException' with message '".$e->getMessage()."'\n";
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log::warn($msg);
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if ($e->getCode() == 0)
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{
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self::$links[self::$link_name]->close();
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self::$links[self::$link_name] = null;
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usleep(100000);
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return self::append($key, $value);
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}
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}
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return NULL;
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}
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/**
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* substr 返回名称为key的string的value的子串
|
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*
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* @param mixed $key
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* @param mixed $start
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* @param mixed $end
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* @return void
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* @author seatle <seatle@foxmail.com>
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* @created time :2015-12-18 11:28
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*/
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public static function substr($key, $start, $end)
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{
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self::init();
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try
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{
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if ( self::$links[self::$link_name] )
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{
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return self::$links[self::$link_name]->substr($key, $start, $end);
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}
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}
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catch (Exception $e)
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{
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$msg = "PHP Fatal error: Uncaught exception 'RedisException' with message '".$e->getMessage()."'\n";
|
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log::warn($msg);
|
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if ($e->getCode() == 0)
|
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{
|
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self::$links[self::$link_name]->close();
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self::$links[self::$link_name] = null;
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usleep(100000);
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return self::substr($key, $start, $end);
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}
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}
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return NULL;
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}
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/**
|
|
* select 按索引查询
|
|
*
|
|
* @param mixed $index
|
|
* @return void
|
|
* @author seatle <seatle@foxmail.com>
|
|
* @created time :2015-12-18 11:28
|
|
*/
|
|
public static function select($index)
|
|
{
|
|
self::init();
|
|
try
|
|
{
|
|
if ( self::$links[self::$link_name] )
|
|
{
|
|
return self::$links[self::$link_name]->select($index);
|
|
}
|
|
}
|
|
catch (Exception $e)
|
|
{
|
|
$msg = "PHP Fatal error: Uncaught exception 'RedisException' with message '".$e->getMessage()."'\n";
|
|
log::warn($msg);
|
|
if ($e->getCode() == 0)
|
|
{
|
|
self::$links[self::$link_name]->close();
|
|
self::$links[self::$link_name] = null;
|
|
usleep(100000);
|
|
return self::select($index);
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* dbsize 返回当前数据库中key的数目
|
|
*
|
|
* @param mixed $key
|
|
* @return void
|
|
* @author seatle <seatle@foxmail.com>
|
|
* @created time :2015-12-18 11:28
|
|
*/
|
|
public static function dbsize()
|
|
{
|
|
self::init();
|
|
try
|
|
{
|
|
if ( self::$links[self::$link_name] )
|
|
{
|
|
return self::$links[self::$link_name]->dbsize();
|
|
}
|
|
}
|
|
catch (Exception $e)
|
|
{
|
|
$msg = "PHP Fatal error: Uncaught exception 'RedisException' with message '".$e->getMessage()."'\n";
|
|
log::warn($msg);
|
|
if ($e->getCode() == 0)
|
|
{
|
|
self::$links[self::$link_name]->close();
|
|
self::$links[self::$link_name] = null;
|
|
usleep(100000);
|
|
return self::dbsize();
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* flushdb 删除当前选择数据库中的所有key
|
|
*
|
|
* @return void
|
|
* @author seatle <seatle@foxmail.com>
|
|
* @created time :2015-12-18 11:28
|
|
*/
|
|
public static function flushdb()
|
|
{
|
|
self::init();
|
|
try
|
|
{
|
|
if ( self::$links[self::$link_name] )
|
|
{
|
|
return self::$links[self::$link_name]->flushdb();
|
|
}
|
|
}
|
|
catch (Exception $e)
|
|
{
|
|
$msg = "PHP Fatal error: Uncaught exception 'RedisException' with message '".$e->getMessage()."'\n";
|
|
log::warn($msg);
|
|
if ($e->getCode() == 0)
|
|
{
|
|
self::$links[self::$link_name]->close();
|
|
self::$links[self::$link_name] = null;
|
|
usleep(100000);
|
|
return self::flushdb();
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* flushall 删除所有数据库中的所有key
|
|
*
|
|
* @return void
|
|
* @author seatle <seatle@foxmail.com>
|
|
* @created time :2015-12-18 11:28
|
|
*/
|
|
public static function flushall()
|
|
{
|
|
self::init();
|
|
try
|
|
{
|
|
if ( self::$links[self::$link_name] )
|
|
{
|
|
return self::$links[self::$link_name]->flushall();
|
|
}
|
|
}
|
|
catch (Exception $e)
|
|
{
|
|
$msg = "PHP Fatal error: Uncaught exception 'RedisException' with message '".$e->getMessage()."'\n";
|
|
log::warn($msg);
|
|
if ($e->getCode() == 0)
|
|
{
|
|
self::$links[self::$link_name]->close();
|
|
self::$links[self::$link_name] = null;
|
|
usleep(100000);
|
|
return self::flushall();
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* save 将数据保存到磁盘
|
|
*
|
|
* @param mixed $is_bgsave 将数据异步保存到磁盘
|
|
* @return void
|
|
* @author seatle <seatle@foxmail.com>
|
|
* @created time :2015-12-18 11:28
|
|
*/
|
|
public static function save($is_bgsave = false)
|
|
{
|
|
self::init();
|
|
try
|
|
{
|
|
if ( self::$links[self::$link_name] )
|
|
{
|
|
if (!$is_bgsave)
|
|
{
|
|
return self::$links[self::$link_name]->save();
|
|
}
|
|
else
|
|
{
|
|
return self::$links[self::$link_name]->bgsave();
|
|
}
|
|
}
|
|
}
|
|
catch (Exception $e)
|
|
{
|
|
$msg = "PHP Fatal error: Uncaught exception 'RedisException' with message '".$e->getMessage()."'\n";
|
|
log::warn($msg);
|
|
if ($e->getCode() == 0)
|
|
{
|
|
self::$links[self::$link_name]->close();
|
|
self::$links[self::$link_name] = null;
|
|
usleep(100000);
|
|
return self::save($is_bgsave);
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* info 提供服务器的信息和统计
|
|
*
|
|
* @return void
|
|
* @author seatle <seatle@foxmail.com>
|
|
* @created time :2015-12-18 11:28
|
|
*/
|
|
public static function info()
|
|
{
|
|
self::init();
|
|
try
|
|
{
|
|
if ( self::$links[self::$link_name] )
|
|
{
|
|
return self::$links[self::$link_name]->info();
|
|
}
|
|
}
|
|
catch (Exception $e)
|
|
{
|
|
$msg = "PHP Fatal error: Uncaught exception 'RedisException' with message '".$e->getMessage()."'\n";
|
|
log::warn($msg);
|
|
if ($e->getCode() == 0)
|
|
{
|
|
self::$links[self::$link_name]->close();
|
|
self::$links[self::$link_name] = null;
|
|
usleep(100000);
|
|
return self::info();
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* slowlog 慢查询日志
|
|
*
|
|
* @return void
|
|
* @author seatle <seatle@foxmail.com>
|
|
* @created time :2015-12-18 11:28
|
|
*/
|
|
public static function slowlog($command = 'get', $len = 0)
|
|
{
|
|
self::init();
|
|
try
|
|
{
|
|
if ( self::$links[self::$link_name] )
|
|
{
|
|
if (!empty($len))
|
|
{
|
|
return $redis->slowlog($command, $len);
|
|
}
|
|
else
|
|
{
|
|
return $redis->slowlog($command);
|
|
}
|
|
}
|
|
}
|
|
catch (Exception $e)
|
|
{
|
|
$msg = "PHP Fatal error: Uncaught exception 'RedisException' with message '".$e->getMessage()."'\n";
|
|
log::warn($msg);
|
|
if ($e->getCode() == 0)
|
|
{
|
|
self::$links[self::$link_name]->close();
|
|
self::$links[self::$link_name] = null;
|
|
usleep(100000);
|
|
return self::slowlog($command, $len);
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* lastsave 返回上次成功将数据保存到磁盘的Unix时戳
|
|
*
|
|
* @return void
|
|
* @author seatle <seatle@foxmail.com>
|
|
* @created time :2015-12-18 11:28
|
|
*/
|
|
public static function lastsave()
|
|
{
|
|
self::init();
|
|
try
|
|
{
|
|
if ( self::$links[self::$link_name] )
|
|
{
|
|
return self::$links[self::$link_name]->lastsave();
|
|
}
|
|
}
|
|
catch (Exception $e)
|
|
{
|
|
$msg = "PHP Fatal error: Uncaught exception 'RedisException' with message '".$e->getMessage()."'\n";
|
|
log::warn($msg);
|
|
if ($e->getCode() == 0)
|
|
{
|
|
self::$links[self::$link_name]->close();
|
|
self::$links[self::$link_name] = null;
|
|
usleep(100000);
|
|
return self::lastsave();
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* lpush 将数据从左边压入
|
|
*
|
|
* @param mixed $key
|
|
* @param mixed $value
|
|
* @return void
|
|
* @author seatle <seatle@foxmail.com>
|
|
* @created time :2015-12-13 01:05
|
|
*/
|
|
public static function lpush($key, $value)
|
|
{
|
|
self::init();
|
|
try
|
|
{
|
|
if ( self::$links[self::$link_name] )
|
|
{
|
|
return self::$links[self::$link_name]->lpush($key, $value);
|
|
}
|
|
}
|
|
catch (Exception $e)
|
|
{
|
|
$msg = "PHP Fatal error: Uncaught exception 'RedisException' with message '".$e->getMessage()."'\n";
|
|
log::warn($msg);
|
|
if ($e->getCode() == 0)
|
|
{
|
|
self::$links[self::$link_name]->close();
|
|
self::$links[self::$link_name] = null;
|
|
usleep(100000);
|
|
return self::lpush($key, $value);
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* rpush 将数据从右边压入
|
|
*
|
|
* @param mixed $key
|
|
* @param mixed $value
|
|
* @return void
|
|
* @author seatle <seatle@foxmail.com>
|
|
* @created time :2015-12-13 01:05
|
|
*/
|
|
public static function rpush($key, $value)
|
|
{
|
|
self::init();
|
|
try
|
|
{
|
|
if ( self::$links[self::$link_name] )
|
|
{
|
|
return self::$links[self::$link_name]->rpush($key, $value);
|
|
}
|
|
}
|
|
catch (Exception $e)
|
|
{
|
|
$msg = "PHP Fatal error: Uncaught exception 'RedisException' with message '".$e->getMessage()."'\n";
|
|
log::warn($msg);
|
|
if ($e->getCode() == 0)
|
|
{
|
|
self::$links[self::$link_name]->close();
|
|
self::$links[self::$link_name] = null;
|
|
usleep(100000);
|
|
return self::rpush($key, $value);
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* lpop 从左边弹出数据, 并删除数据
|
|
*
|
|
* @param mixed $key
|
|
* @return void
|
|
* @author seatle <seatle@foxmail.com>
|
|
* @created time :2015-12-13 01:05
|
|
*/
|
|
public static function lpop($key)
|
|
{
|
|
self::init();
|
|
try
|
|
{
|
|
if ( self::$links[self::$link_name] )
|
|
{
|
|
return self::$links[self::$link_name]->lpop($key);
|
|
}
|
|
}
|
|
catch (Exception $e)
|
|
{
|
|
$msg = "PHP Fatal error: Uncaught exception 'RedisException' with message '".$e->getMessage()."'\n";
|
|
log::warn($msg);
|
|
if ($e->getCode() == 0)
|
|
{
|
|
self::$links[self::$link_name]->close();
|
|
self::$links[self::$link_name] = null;
|
|
usleep(100000);
|
|
return self::lpop($key);
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* rpop 从右边弹出数据, 并删除数据
|
|
*
|
|
* @param mixed $key
|
|
* @return void
|
|
* @author seatle <seatle@foxmail.com>
|
|
* @created time :2015-12-13 01:05
|
|
*/
|
|
public static function rpop($key)
|
|
{
|
|
self::init();
|
|
try
|
|
{
|
|
if ( self::$links[self::$link_name] )
|
|
{
|
|
return self::$links[self::$link_name]->rpop($key);
|
|
}
|
|
}
|
|
catch (Exception $e)
|
|
{
|
|
$msg = "PHP Fatal error: Uncaught exception 'RedisException' with message '".$e->getMessage()."'\n";
|
|
log::warn($msg);
|
|
if ($e->getCode() == 0)
|
|
{
|
|
self::$links[self::$link_name]->close();
|
|
self::$links[self::$link_name] = null;
|
|
usleep(100000);
|
|
return self::rpop($key);
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* lsize 队列长度，同llen
|
|
*
|
|
* @param mixed $key
|
|
* @return void
|
|
* @author seatle <seatle@foxmail.com>
|
|
* @created time :2015-12-13 01:05
|
|
*/
|
|
public static function lsize($key)
|
|
{
|
|
self::init();
|
|
try
|
|
{
|
|
if ( self::$links[self::$link_name] )
|
|
{
|
|
return self::$links[self::$link_name]->lSize($key);
|
|
}
|
|
}
|
|
catch (Exception $e)
|
|
{
|
|
$msg = "PHP Fatal error: Uncaught exception 'RedisException' with message '".$e->getMessage()."'\n";
|
|
log::warn($msg);
|
|
if ($e->getCode() == 0)
|
|
{
|
|
self::$links[self::$link_name]->close();
|
|
self::$links[self::$link_name] = null;
|
|
usleep(100000);
|
|
return self::lsize($key);
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* lget 获取数据
|
|
*
|
|
* @param mixed $key
|
|
* @param int $index
|
|
* @return void
|
|
* @author seatle <seatle@foxmail.com>
|
|
* @created time :2015-12-13 01:05
|
|
*/
|
|
public static function lget($key, $index = 0)
|
|
{
|
|
self::init();
|
|
try
|
|
{
|
|
if ( self::$links[self::$link_name] )
|
|
{
|
|
return self::$links[self::$link_name]->lget($key, $index);
|
|
}
|
|
}
|
|
catch (Exception $e)
|
|
{
|
|
$msg = "PHP Fatal error: Uncaught exception 'RedisException' with message '".$e->getMessage()."'\n";
|
|
log::warn($msg);
|
|
if ($e->getCode() == 0)
|
|
{
|
|
self::$links[self::$link_name]->close();
|
|
self::$links[self::$link_name] = null;
|
|
usleep(100000);
|
|
return self::lget($key, $index);
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* lRange 获取范围数据
|
|
*
|
|
* @param mixed $key
|
|
* @param mixed $start
|
|
* @param mixed $end
|
|
* @return void
|
|
* @author seatle <seatle@foxmail.com>
|
|
* @created time :2015-12-13 01:05
|
|
*/
|
|
public static function lrange($key, $start, $end)
|
|
{
|
|
self::init();
|
|
try
|
|
{
|
|
if ( self::$links[self::$link_name] )
|
|
{
|
|
return self::$links[self::$link_name]->lRange($key, $start, $end);
|
|
}
|
|
}
|
|
catch (Exception $e)
|
|
{
|
|
$msg = "PHP Fatal error: Uncaught exception 'RedisException' with message '".$e->getMessage()."'\n";
|
|
log::warn($msg);
|
|
if ($e->getCode() == 0)
|
|
{
|
|
self::$links[self::$link_name]->close();
|
|
self::$links[self::$link_name] = null;
|
|
usleep(100000);
|
|
return self::lrange($key, $start, $end);
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* rlist 从右边弹出 $length 长度数据，并删除数据
|
|
*
|
|
* @param mixed $key
|
|
* @param mixed $length
|
|
* @return void
|
|
* @author seatle <seatle@foxmail.com>
|
|
* @created time :2015-12-13 01:05
|
|
*/
|
|
public static function rlist($key, $length)
|
|
{
|
|
$queue_length = self::lsize($key);
|
|
// 如果队列中有数据
|
|
if ($queue_length > 0)
|
|
{
|
|
$list = array();
|
|
$count = ($queue_length >= $length) ? $length : $queue_length;
|
|
for ($i = 0; $i < $count; $i++)
|
|
{
|
|
$data = self::rpop($key);
|
|
if ($data === false)
|
|
{
|
|
continue;
|
|
}
|
|
|
|
$list[] = $data;
|
|
}
|
|
return $list;
|
|
}
|
|
else
|
|
{
|
|
// 没有数据返回NULL
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* keys
|
|
*
|
|
* @param mixed $key
|
|
* @return void
|
|
* @author seatle <seatle@foxmail.com>
|
|
* @created time :2015-12-13 01:05
|
|
* 查找符合给定模式的key。
|
|
* KEYS *命中数据库中所有key。
|
|
* KEYS h?llo命中hello， hallo and hxllo等。
|
|
* KEYS h*llo命中hllo和heeeeello等。
|
|
* KEYS h[ae]llo命中hello和hallo，但不命中hillo。
|
|
* 特殊符号用"\"隔开
|
|
* 因为这个类加了OPT_PREFIX前缀，所以并不能真的列出redis所有的key，需要的话，要把前缀去掉
|
|
*/
|
|
public static function keys($key)
|
|
{
|
|
self::init();
|
|
try
|
|
{
|
|
if ( self::$links[self::$link_name] )
|
|
{
|
|
return self::$links[self::$link_name]->keys($key);
|
|
}
|
|
}
|
|
catch (Exception $e)
|
|
{
|
|
$msg = "PHP Fatal error: Uncaught exception 'RedisException' with message '".$e->getMessage()."'\n";
|
|
log::warn($msg);
|
|
if ($e->getCode() == 0)
|
|
{
|
|
self::$links[self::$link_name]->close();
|
|
self::$links[self::$link_name] = null;
|
|
usleep(100000);
|
|
return self::keys($key);
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* ttl 返回某个KEY的过期时间
|
|
* 正数：剩余多少秒
|
|
* -1：永不超时
|
|
* -2：key不存在
|
|
* @param mixed $key
|
|
* @return void
|
|
* @author seatle <seatle@foxmail.com>
|
|
* @created time :2015-12-13 01:05
|
|
*/
|
|
public static function ttl($key)
|
|
{
|
|
self::init();
|
|
try
|
|
{
|
|
if ( self::$links[self::$link_name] )
|
|
{
|
|
return self::$links[self::$link_name]->ttl($key);
|
|
}
|
|
}
|
|
catch (Exception $e)
|
|
{
|
|
$msg = "PHP Fatal error: Uncaught exception 'RedisException' with message '".$e->getMessage()."'\n";
|
|
log::warn($msg);
|
|
if ($e->getCode() == 0)
|
|
{
|
|
self::$links[self::$link_name]->close();
|
|
self::$links[self::$link_name] = null;
|
|
usleep(100000);
|
|
return self::ttl($key);
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* expire 为某个key设置过期时间,同setTimeout
|
|
*
|
|
* @param mixed $key
|
|
* @param mixed $expire
|
|
* @return void
|
|
* @author seatle <seatle@foxmail.com>
|
|
* @created time :2015-12-13 01:05
|
|
*/
|
|
public static function expire($key, $expire)
|
|
{
|
|
self::init();
|
|
try
|
|
{
|
|
if ( self::$links[self::$link_name] )
|
|
{
|
|
return self::$links[self::$link_name]->expire($key, $expire);
|
|
}
|
|
}
|
|
catch (Exception $e)
|
|
{
|
|
$msg = "PHP Fatal error: Uncaught exception 'RedisException' with message '".$e->getMessage()."'\n";
|
|
log::warn($msg);
|
|
if ($e->getCode() == 0)
|
|
{
|
|
self::$links[self::$link_name]->close();
|
|
self::$links[self::$link_name] = null;
|
|
usleep(100000);
|
|
return self::expire($key, $expire);
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* exists key值是否存在
|
|
*
|
|
* @param mixed $key
|
|
* @return void
|
|
* @author seatle <seatle@foxmail.com>
|
|
* @created time :2015-12-13 01:05
|
|
*/
|
|
public static function exists($key)
|
|
{
|
|
self::init();
|
|
try
|
|
{
|
|
if ( self::$links[self::$link_name] )
|
|
{
|
|
return self::$links[self::$link_name]->exists($key);
|
|
}
|
|
}
|
|
catch (Exception $e)
|
|
{
|
|
$msg = "PHP Fatal error: Uncaught exception 'RedisException' with message '".$e->getMessage()."'\n";
|
|
log::warn($msg);
|
|
if ($e->getCode() == 0)
|
|
{
|
|
self::$links[self::$link_name]->close();
|
|
self::$links[self::$link_name] = null;
|
|
usleep(100000);
|
|
return self::exists($key);
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* ping 检查当前redis是否存在且是否可以连接上
|
|
*
|
|
* @return void
|
|
* @author seatle <seatle@foxmail.com>
|
|
* @created time :2015-12-13 01:05
|
|
*/
|
|
//protected static function ping()
|
|
//{
|
|
//if ( empty (self::$links[self::$link_name]) )
|
|
//{
|
|
//return false;
|
|
//}
|
|
//return self::$links[self::$link_name]->ping() == '+PONG';
|
|
//}
|
|
|
|
public static function encode($value)
|
|
{
|
|
return json_encode($value, JSON_UNESCAPED_UNICODE);
|
|
}
|
|
|
|
public static function decode($value)
|
|
{
|
|
return json_decode($value, true);
|
|
}
|
|
}
|
|
|
|
|
|
|