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Mastering Internet of Things

You're reading from   Mastering Internet of Things Design and create your own IoT applications using Raspberry Pi 3

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Product type Paperback
Published in Mar 2018
Publisher Packt
ISBN-13 9781788397483
Length 410 pages
Edition 1st Edition
Concepts
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Author (1):
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Peter Waher Peter Waher
Author Profile Icon Peter Waher
Peter Waher
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Toc

Table of Contents (18) Chapters Close

Preface 1. Preparing Our First Raspberry Pi Project FREE CHAPTER 2. Creating a Sensor to Measure Ambient Light 3. Creating an Actuator for Controlling Illumination 4. Publishing Information Using MQTT 5. Publishing Data Using HTTP 6. Creating Web Pages for Your Devices 7. Communicating More Efficiently Using CoAP 8. Interoperability 9. Social Interaction with Your Devices Using XMPP 10. The Controller 11. Product Life Cycle 12. Concentrators and Bridges 13. Using an Internet of Things Service Platform 14. IoT Harmonization 15. Security for the Internet of Things 16. Privacy 17. Other Books You May Enjoy

Monitoring performance


There are various methods to monitor the performance of the IoT Gateway and its services. Apart from monitoring performance counters provided by the operating system, you can also monitor event logs and sniffer output, if enabled.

Monitoring event logs

In the application data folder, a subfolder called Events is created. In it, XML files will be output when events are logged from anywhere in the system. Old XML files will be deleted automatically. The XML files reference XSL transforms in the Transforms subfolder to the application data folder. This makes it possible to view finished XML files in browsers in a user-friendly manner.

Note

Events are also persisted in the object database. These events can be searched and accessed via the XMPP interface.

Note

You can output events from your code by accessing the static Log class defined in Waher.Events.

Monitoring communication sniffers

By default, sniffers are disabled. If you enable sniffers in the network configuration, the...

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