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MQTT官方介绍

MQTT is a machine-to-machine (M2M)/"Internet of Things" connectivity protocol. It was designed as an extremely lightweight publish/subscribe messaging transport. It is useful for connections with remote locations where a small code footprint is required and/or network bandwidth is at a premium. For example, it has been used in sensors communicating to a broker via satellite link, over occasional dial-up connections with healthcare providers, and in a range of home automation and small device scenarios. It is also ideal for mobile applications because of its small size, low power usage, minimised data packets, and efficient distribution of information to one or many receivers

服务器/客户端选择

在MQTT官网中http://mqtt.org/software列举出了实现了该协议的开源客户端和服务器工程和库。根据网上资料的丰富程度这里我选Mosquitto作为我学习的工具

Mosquitto介绍

Mosquitto is an Open Source MQTT server with C, C++, Python. For JavaScript, Mosquitto recommends the Eclipse Paho Javascript client. A public, hosted test server is also available

Mosquitto安装配置

安装必要的库和工具包

sudo dnf groupinstall "Development tools"
sudo dnf groupinstall "Development Libraries"
sudo dnf install cmake gcc-c++ openssl-devel

wget http://mosquitto.org/files/source/mosquitto-1.4.5.tar.gz 

tar zxfv mosquitto-1.4.5.tar.gz

cd mosquitto-1.4.5

cmake .

make

sudo make install

安装MQTT客户端/服务器

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原文地址：http://www.cnblogs.com/zhanghongjay/p/5022237.html