Re: [Evolution-hackers] Adding a new server type... How?

[Not Zed <notzed ximian com>]

On Fri, 2005-08-05 at 12:37 +0200, Jules Colding wrote:
> Hi again Michael,
> 
> On Fri, 2005-08-05 at 13:51 +0800, Not Zed wrote:
> > On Thu, 2005-08-04 at 15:08 +0200, Jules Colding wrote:
> > > On Thu, 2005-08-04 at 21:02 +0800, Not Zed wrote:
> > > > 
> > > > Well, personally ... i think it would be better to do it as a completely
> > > > separate project.
> > > > 
> > > > A few reasons - it is easier to distribute/manage, and it tests and
> > > > validates all of the extensibility mechanisms we have put in recently.
> > > 
> > > Could you give me a few words about which mechanisms, please? 
> > 
> > All the ones you'd need to use anyway ...
> > 
> > Camel backends are only installable as extensions, for instance.  So
> > there's no choice - it doesn't matter if they're installed separately or
> > in the main tree.
> 
> So I basically just implement a shared camel library for my provider,
> puts it in "$PREFIX/lib/evolution-data-server-$VERSION/camel-providers/"
> with an .urls file describing the supported protocol? Will Evolution
> then automatically discover my camel provider or do I need to tell evo
> about it in some other way?

Yep thats it.  The .urls file says what url prefix the provider
supports.  It maps *directly* to a .so of exactly the same name.
(nobody said it is a *great* extensibility mechanism, but it is one that
has lasted 5 years).

> I am being a bit confused here. I thought that Camel was mail and mail
> only. The extensions that I am seeing in the eds extensions directory
> are all addressbook or calender related...?

No idea what that is.  Camel is only mail, yes.

> > All calendar backends are abstracted from the frontend already too, so
> > there isn't really any choice there either, and i believe they can also
> > be installed separately.
> 
> I see some e[cal,book]backend shared libraries in
> "$PREFIX/lib/evolution-data-server-$VERSION/extensions/. Are they
> automatically registered with Evolution? Should I just put my own one
> there??

Sorry, I don't know about that, hopefully someone who does will
reply ...

 Michael