- Learning Internet of Things
- Table of Contents
- Learning Internet of Things
- Credits
- About the Author
- About the Reviewers
- www.PacktPub.com
- Preface
- 1. Preparing our IoT Projects
- 2. The HTTP Protocol
- HTTP basics
- Adding HTTP support to the sensor
- Setting up an HTTP server on the sensor
- Setting up an HTTPS server on the sensor
- Adding a root menu
- Displaying measured information in an HTML page
- Generating graphics dynamically
- Creating sensor data resources
- Interpreting the readout request
- Testing our data export
- User authentication
- Adding events for enhanced network performance
- Adding HTTP support to the actuator
- Adding HTTP support to the controller
- Summary
- 3. The UPnP Protocol
- 4. The CoAP Protocol
- 5. The MQTT Protocol
- 6. The XMPP Protocol
- XMPP basics
- Adding XMPP support to a thing
- Providing an additional layer of security
- The basics of provisioning
- Initializing the Thing Registry interface
- Registering a thing
- Updating a public thing
- Claiming a thing
- Removing a thing from the registry
- Disowning a thing
- Initializing the provisioning server interface
- Handling friendship recommendations
- Handling requests to unfriend somebody
- Searching for a provisioning server
- Providing registry information
- Maintaining a connection
- Negotiating friendships
- Handling presence subscription requests
- Continuing interrupted negotiations
- Adding XMPP support to the sensor
- Adding a sensor server interface
- Updating event subscriptions
- Publishing contracts
- Adding XMPP support to the actuator
- Adding XMPP support to the camera
- Adding XMPP support to the controller
- Connecting it all together
- Summary
- 7. Using an IoT Service Platform
- Selecting an IoT platform
- The Clayster platform
- Interfacing our devices using XMPP
- Creating our control application
- Understanding rendering
- Defining the application class
- Initializing the controller
- Adding control rules
- Understanding application references
- Defining brieflets
- Displaying a gauge
- Displaying a binary signal
- Pushing updates to the client
- Completing the application
- Configuring the application
- Viewing the 10-foot interface application
- Summary
- 8. Creating Protocol Gateways
- 9. Security and Interoperability
- Index
Now that we have a clear definition of IoT, as something we get when we connect Things, not operated by humans, to the Internet, we are ready to begin our study of the subject. The definition includes four important components:
- Connection, which relates to the study of communication protocols
- Things, which relates to the study of sensors, actuators, and controllers, among other Things
- Non-operation by humans relates to provisioning
- The Internet relates to security, including identities, authentication, and authorization, but also to interoperability
This book will introduce all these concepts one at a time using simple and practical examples illustrating how these key concepts can be implemented using the Raspberry Pi platform.
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