[tpm] Perl Net::DBus Help and Documentation

Madison Kelly linux at alteeve.com
Tue Apr 8 02:58:17 PDT 2008

Hi all,

   I wrote the following email to the general DBus mailing list, but 
thought I might cross-post it here. If anyone on TPM is interested in 
this, I was thinking it might make a good TPM talk down the road. Even 
if no one is themselves yet familiar with Net::DBus, you might be 
interested in trying to learn it two? Two heads are better than one, and 
all that. :)


   I've been struggling off and on with the Net::DBus bindings for perl.
I've had some success in using existing buses (HAL on system,
specifically). Now though I am trying to have my program's daemon create
a bus and register clients as objects when they connect and provide
basic communication between server-side scripts and clients, via the
daemon process. I've got the client/server communication in place, but I
have not been able to get the DBus portion working.

   In the past, when I have struggled to learn something, I would write
documentation, generally in the form of a *LUG presentation. I would
like to do this for perl's Net::DBus bindings, both as a way to help me
learn DBus better and as a way to contribute a How-To geared more to
perl programmers who are quite new to the DBus concept.

   Would anyone here be interested in helping me with this?

   All I need, more than anything, is help getting the most basic sample
code working, and I can start building on that myself. I would need to
only ask occasional questions when I go stuck. In turn, I would provide
the How-To back to the community.

   Here are links to talks I have given on general storage and
netfiltering with iptables:

(2002) http://tle-bu.org/docs/Talk-TLUG_storage_200205-2.pdf
(2004) http://tle-bu.org/docs/TLE-WhitePaper_Netfilter-v1.1.pdf

   More as an example of my writing style; these are two papers on an
old, deprecated versions of the program I am working on:

(2004) http://tle-bu.org/docs/TLUG-Talk_TLE-BU_2004-10-12.pdf
(2005) http://tle-bu.org/docs/TLUG-Talk_TLE-BU_2005-10-11.pdf

   I think DBus can offer some wonderful potential and I know I would
personally have benefited from a more basic introduction to DBus coding.
This is not in any way to disparage Mr. Berrange's Tutorials! I found
though that they are probably more applicable to people who are already
familiar with DBus and are just looking for info on the perl bindings.

   I hope to supplement Mr. Berrange's docs by creating a document that
will gently easy a perl programmer who is new to DBus entirely into the
Net::DBus bindings. :)

Thanks in advance!


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