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23 Sep 2002: Jabber

So I've been spending some time trying to work out what to do with the home automation components - they're a mess of C and Perl that have no real way of communicating with each other. I found this thing called xAP which is designed for home automation components to talk to each other, but it's based mainly on UDP broadcast datagrams - not something I'd trust to make sure things happened when my alarm was triggered. Plus some of the components already written are under a non-GPL, non-BSD license that prohibits commercial use, yuk.

Anyway the idea was to look for something that would use standard components, where frameworks existed in Perl and C for me to write simple code, and to work on the principle of messaging - the UPS for example would respond to status requests and give you things like the temperature and voltage; with a heartbeat notification with the status included every minute; but with urgent alarms to anyone who registers an interest in getting them. Whats the solution? Jabber! In about an hour I had a jabber server running and a test Perl client doing just that; this thing will rock :)

Created: 23 Sep 2002
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Hi! I'm Mark Cox. This blog gives my thoughts and opinions on my security work, open source, fedora, home automation, and other topics.