March 2003
Intermediate to advanced
224 pages
6h 27m
English
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Rolling Your Own: LinkPimp PubSub
Having said all that, and given that there
are currently no implementations of
mod_changedpage to receive pages from, we will
concentrate on working with
cloud
. What’s more, every
cloud implementation in the wild uses XML-RPC, so,
for simplicity, this is all we will support here. Extending the
script to support SOAP and HTTP-POST would not be hard, if necessary,
but it probably won’t be necessary.
The following Publish and Subscribe (PubSub) system is for web sites displaying various feeds, rendered into XHTML and inserted onto the page using a server-side include. It is currently working live on the test site: http://www.linkpimp.com.
This system also incorporates two other things we have already discussed. First, it renders the feed into XHTML—we can leave the on-screen formatting to a style sheet—but the subroutine that does this is quite obvious in the code and can be turned to do something else—send IM notifications, for example.
Second, it uses Syndic8’s API and subscription list service to tell it which feeds to examine. This allows us not only to play with the Syndic8 system, but also to add or remove feeds from the site without touching its code. I can merely log on to Syndic8 and subscribe to a feed there, and it should be incorporated into the site within the hour. It is rough and ready, but you will undoubtedly get ideas of your own from it.
The system comes in two parts:
- LinkpimpClient.pl
This script retrieves a subscription list from ...
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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.