来自我的CSDN博客 在前几天,我大致了解了一下Paho C项目,并对其的一些内容进行了翻译.俗话说,光说不练假把戏,今天就给大家讲一下使用Paho的客户端库文件实现MQTT C Client的过程. 安装 本文是在Linux下安装的,推荐直接进行克隆并安装即可. git clone https://github.com/eclipse/paho.mqtt.c.git cd paho.mqtt.c make sudo make install 在make完之后,在paho.mqtt.
This is a simple example showing how to use the [Paho MQTT Python client](https://eclipse.org/paho/clients/python/) to send data to Azure IoT Hub. You need to assemble the rights credentials and configure TLS and the MQTT protocol version appropriate
最近对系统进行压测,发现发送消息到消息队列的时候出现如下错误: com.alibaba.rocketmq.client.exception.MQBrokerException: CODE: 2 DESC: [TIMEOUT_CLEAN_QUEUE]broker busy, start flow control for a while, period in queue: 201ms, size of queue: 1 经查询发现RocketMq在4.1版本以后为producer增加了2个配置,
1.生产者:在发送完消息后,收到回执确认. 主要是在SimpleProducer.java中修改了发送消息的2行代码,用到了回调函数,修改如下: //发送消息 ProducerRecord<String, String> rec = new ProducerRecord<String, String>("test-topic","hello world from win7"); producer.send(rec,new Callback()