[avahi] Is it possible to customize "#define AVAHI_DEFAULT_TTL_HOST_NAME" and "#define AVAHI_DEFAULT_TTL", rather than embedding them "statically" in the code?

[Patrick Oppenlander]

On 05/07/12 20:19, Ajay Garg wrote:
> Hi all.
>
> I ran into a issue, as described at 
> https://bugs.freedesktop.org/show_bug.cgi?id=51501

This behaviour is not a bug. It's a side-effect of how MDNS is 
(intentionally) designed.

Your bug report states that the callback is not called. It will in fact 
be called, it just takes a long time.

>
>
> I followed these steps ::
>
> a)
> I changed the values to
>
>                                  #define AVAHI_DEFAULT_TTL_HOST_NAME (20)
>                                  #define 
> AVAHI_DEFAULT_TTL                       (20)

This is a pretty bad idea as these records will need to be refreshed at 
17 second intervals.

Some people already consider mDNS to be a "chatty" protocol [1]. This 
kind of thing just exacerbates the problem.

         Patrick

[1] http://www.net.princeton.edu/filters/mdns.html
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