April 2009
Beginner to intermediate
308 pages
9h 8m
English
Content preview from XMPP: The Definitive Guide
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Chapter 14. Building an XMPP Application
In this chapter, we start with an existing application and look at different ways of XMPP-enabling it with techniques you’ve learned earlier in the book.
The CheshiR Microblogging Platform
Meet “CheshiR,” our very own “microblogging” service. From the CheshiR website, you can post short pieces of text about what you are currently doing, reading, or thinking. Other people can then subscribe to (or “follow”) your postings, which means that they will receive a notification any time you post a new update. Figure 14-1 shows the home page of a CheshiR user with three contacts.
Figure 14-1. Posting and receiving microblogs via the CheshiR web
interface
The CheshiR service is implemented in Python, using a very simple design. On one side, there is the HTTP frontend, which serves the web pages of the service. Whenever a user posts a message, it is sent to the CheshiR backend, which stores all the messages and subscriptions in a database. To display the homepage of a user, the frontend asks the backend for all messages sent by that user’s contacts.
To extend the reach of our service and improve the experience of our users, we are going to investigate different ways of integrating XMPP into our platform. Because we like the principles of agile software development, we’ll take an iterative approach, with focused code sprints to add a few well-defined features ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.