[avahi] portable code

[Gaspard Bucher]

Thanks for the insight Trent.

On Wed, Dec 10, 2008 at 12:08 AM, Trent Lloyd <lathiat at bur.st> wrote:
> Hi Gaspard,
> On 10/12/2008, at 6:34 AM, Gaspard Bucher wrote:
>
>> Hi list !
>>
>> I'm building an open source tool for distributed multimedia computing
>> and am using osc (open sound control) between "planets" (processors)
>> and "satellites" (interface, controller). I want to use zeroconf but
>> would like to keep my code as portable as possible (embed/Linux/Mac os
>> X/Windows).
>>
>> What is the best road for this ?
>>
>> Any "general" header that could be used everywhere ?
>>
>> Thanks for your help.
>
> Not really.. you have 2 main implementations - avahi,
> bonjour(mDNSResponder)
>
> both are available on many platforms.. some for example avahi is not
> available on windows but mDNSResponder is.. but neither is installed
> by default or even commonly.
>
> avahi is much more common on linux, mDNSResponder is on osx.. etc.
>
> the only common library i know between the two is I think KDE's mDNS
> interface which has an avahi plugin and mDNSResponder plugin but i
> have no idea what the state of that is and I believe it is quite tied
> to KDE libraries.
>
> I would love to promote using Avahi API natively but if you wrote for
> mDNSResponder - Avahi has a compatibility library to use Avahi with
> the same API calls.. but it is a bit ugly to rely on it rather than
> using it for existing programs.
>

So my guess is that I will wrap all this into a header with
"HAS_AVAHI" and "HAS_BONJOUR" ifdefs.

I'll try to use the more open API (avahi) and try to translate these
into Bonjour calls.

Gaspard