Fork me on GitHub

Tp5使用Kafka:封装生产者、消费者操作类

【相关文章】PHP操作Kafka:php-rdkafka扩展的安装

1、config.php中配置:

//kafka连接配置
'kafka_server' => [
    'host' => '127.0.0.1:9092',
    'topic' => 'topic1',
],

2、创建一个生产者 KafkaProducer.php :

复制代码
_config = config('kafka_server');
        $this->_rk = new \RdKafka\Producer();
        $this->_rk->setLogLevel(LOG_DEBUG);
        $this->_rk->addBrokers($this->_config['host']);
        $this->_topic = $this->_rk->newTopic($this->_config['topic']);
    }

    public function add($data){
        $this->_topic->produce(RD_KAFKA_PARTITION_UA, 0, $data);
        $this->_rk->poll(0);
        while ($this->_rk->getOutQLen() > 0) {
            $this->_rk->poll(50);
        }
    }
}
复制代码

3、创建一个消费者 KafkaConsumer.php :

复制代码
_partition = $partition;
        $this->_config = config('kafka_server');

        $conf = new \RdKafka\Conf();
        $conf->set('group.id', $groupId);

        $rk = new \RdKafka\Consumer($conf);
        $rk->addBrokers($this->_config['host']);

        $topicConf = new \RdKafka\TopicConf();
        $topicConf->set('auto.commit.interval.ms', 100);

        $topicConf->set('offset.store.method', 'file');
        $topicConf->set('offset.store.path', sys_get_temp_dir());
        $topicConf->set('auto.offset.reset', 'smallest');
        $this->_topic = $rk->newTopic($this->_config['topic'], $topicConf);
        $this->_topic->consumeStart($partition, RD_KAFKA_OFFSET_STORED);
    }

    public function run(){
        while (true) {
            $message = $this->_topic->consume($this->_partition, 120*10000);
            Logger('KafkaConsumer::run::1', [$message]);
            switch ($message->err) {
                case RD_KAFKA_RESP_ERR_NO_ERROR:
                    $this->exceTask($message->payload);
                    break;
                case RD_KAFKA_RESP_ERR__PARTITION_EOF: //等待接收信息
                    error_log("No more messages; will wait for more\n");
                    break;
                case RD_KAFKA_RESP_ERR__TIMED_OUT: //超时
                    error_log("Timed out\n");
                    break;
                default:
                    throw new \Exception($message->errstr(), $message->err);
                    break;
            }
        }
    }

    private function exceTask($jsonData){
        error_log($jsonData);
        $paramsArr = json_decode($jsonData,true);
        if(!isset($paramsArr['className']) || !isset($paramsArr['funcName'])){
            error_log("Param error\n");
        }
        $objUrl = '\\app\\index\\service\\' . $paramsArr['className'];
        try {
            $obj = new $objUrl();
            return call_user_func([$obj, $paramsArr['funcName']], $jsonData);
        } catch (\Exception $e) {
            error_log("Func not found\n");
        }
    }

}
复制代码

4、测试:

  调用生产者生产 Test.php:

 'TestService',
          'funcName' => 'index',
          'user_id' => 1,
        ];
        KafkaProducer::getInstance()->add(json_encode($data));
    }
}

  消费者消费回调 TestService.php : 

启动消费者 KafkaConsumer -> run() 后,调用生产者生产 Test.php,此时在消费者消费回调 TestService.php 中可看到如下日志记录,则消费者消费成功:

 

posted @   三冬两夏  阅读(878)  评论(0编辑  收藏  举报
编辑推荐:
· 为什么说在企业级应用开发中,后端往往是效率杀手?
· 用 C# 插值字符串处理器写一个 sscanf
· Java 中堆内存和栈内存上的数据分布和特点
· 开发中对象命名的一点思考
· .NET Core内存结构体系(Windows环境)底层原理浅谈
阅读排行:
· 为什么说在企业级应用开发中,后端往往是效率杀手?
· DeepSeek 解答了困扰我五年的技术问题。时代确实变了!
· 本地部署DeepSeek后,没有好看的交互界面怎么行!
· 趁着过年的时候手搓了一个低代码框架
· 推荐一个DeepSeek 大模型的免费 API 项目!兼容OpenAI接口!
点击右上角即可分享
微信分享提示