9781787287815
MQTT Essentials – A Lightweight IoT Protocol
by: Gaston C. Hillar
ISBN-10: 1787287815
ISBN-13: 9781787287815
Released: 2017-04-14
Pages: 280
Key Features
Make your connected devices less prone to attackers by understanding practical security mechanisms
Dive deep into one of IoT’s extremely lightweight machines to enable connectivity protocol with some real-world examples
Learn to take advantage of the features included in MQTT for IoT and Machine-to-Machine communications with complete real-life examples
Book Description
This step-by-step guide will help you gain a deep understanding of the lightweight MQTT protocol. We’ll begin with the specific vocabulary of MQTT and its working modes,followed by installing a Mosquitto MQTT broker. Then,you will use best practices to secure the MQTT Mosquitto broker to ensure that only authorized clients are able to publish and receive messages. Once you have secured the broker with the appropriate configuration,you will develop a solution that controls a drone with Python.
Further on,you will use Python on a Raspberry Pi 3 board to process commands and Python on Intel Boards (Joule,Edison and Galileo). You will then connect to the MQTT broker,subscribe to topics,send messages,and receive messages in Python. You will also develop a solution that interacts with sensors in Java by working with MQTT messages.
Moving forward,you will work with an asynchronous API with callbacks to make the sensors interact with MQTT messages. Following the same process,you will develop an iOS app with Swift 3,build a website that uses WebSockets to connect to the MQTT broker,and control home automation devices with HTML5,JavaScript code,Node.js and MQTT messages
What you will learn
Understand how MQTTv3.1 and v3.1.1 works in detail
Install and secure a Mosquitto MQTT broker by following best practices
Design and develop IoT solutions combined with mobile and web apps that use MQTT messages to communicate
Explore the features included in MQTT for IoT and Machine-to-Machine communications
Publish and receive MQTT messages with Python,Java,Swift,JavaScript,and Node.js
Implement the security best practices while setting up the MQTT Mosquitto broker
About the Author
Gaston C. Hillar is Italian and has been working with computers since he was eight. He began programming with the legendary Texas TI-99/4A and Commodore 64 home computers in the early 80s. He has a bachelor’s degree in computer science (graduated with honors),and an MBA (graduated with an outstanding thesis). At present,Gaston is an independent IT consultant and freelance author who is always looking for new adventures around the world.
He has been a senior contributing editor at Dr. Dobb’s and has written more than a hundred articles on software development topics. Gaston was also a former Microsoft MVP in technical computing. He has received the prestigious Intel® Black Belt Software Developer award eight times.
He is a guest blogger at Intel® Software Network (http://software.intel.com). You can reach him at gastonhillar@hotmail.com and follow him on Twitter at http://twitter.com/gastonhillar. Gaston’s blog is http://csharpmulticore.blogspot.com.
He lives with his wife,Vanesa,and his two sons,Kevin and Brandon.
Contents
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Lightweight Messaging with MQTT 3.1.1 and Mosquitto
Securing an MQTT Mosquitto Server
Controlling a Drone with Python
Interacting with Sensors in Java
Controlling Home Automation in JavaScript
Interacting with Actuators in Swift
Exersise Answers
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