[ejabberd] module dev question
gabriel.rossetti at arimaz.com
Fri Sep 5 21:34:56 MSD 2008
Eric Cestari wrote:
> Hi Gabriel,
> Le 5 sept. 08 à 16:02, Gabriel Rossetti a écrit :
>> Gabriel Rossetti wrote:
>>> Hello everyone,
>>> I'm trying to develop a module that will change the way the auth is
>>> done (add some verification on the resource). I have some questions:
>>> 1) is that possible?
>> From what I see, the resource isn't sent during the authentication.
>> But if anyone has any interesting docs/examples of auth module coding
>> for ejabberd, I still interested.
> and all other ejabberd_auth_* provide a good wealth of information.
>>> 2) if so, does anyone know of any resources that could be useful?
>>> (posts, tutorials/howtos/examples, etc)
> The best I can recommend is grab Joe Armstrong's book on erlang and
> peruse the source code of ejabberd.
> mod_echo is a good start :
> and there are a few pages on the Process One website you might want to
> read :
>>> I've never coded anything in Erlang and I haven't written anything
>>> using a functional language in over 2 years (Haskell). I'm currently
>>> evaluating ejabberd against Openfire to see which one fits my needs
>>> better (to be able to write a module/plugin to modify the auth
> I did that too, comparing OpenFire to ejabberd.
> About OpenFire : source code is quite clean, and well documented.
> However I know from a Jive salesman that they are not really
> interested in OpenFire in the long term anymore
> It's written in Java ; many people will *think* it's easier to code
> for :)
> However, you'll quickly notice that erlang is the *perfect match* for
> writing an XMPP server with pattern matching and cheap process spawning.
> Code is way smaller.
> I've written the same component for OpenFire in Java and ejabberd in
> erlang. Java code was roughly 2000 LOC. erlang code was less than
> 1000 LOC. And I am not counting the XML files (the OpenFire version
> used Hibernate Spring and all the things I get for free with erlang).
> Erlang/OTP is quite easy to grasp (especially compared to Java/JEE).
> Give yourself a week with Joe's book and the ejabberd codebase, you
> should be able to code something.
Thanks for your feedback, it's valuable to me.
> I just wish ejabberd's source code had more comments, but even that is
> a minor issue, once you get around the erlang syntax.
yes, that's what scared me some, I don't mind learning a new language,
but code without comments is horrible to work with.
More information about the ejabberd