[Sugar-devel] Patch written for "Presence not updated, when client disconencts from telepathy-salut"

[Ajay Garg]

The notification link (to avahi)  ::

http://www.mail-archive.com/avahi@lists.freedesktop.org/msg01891.html


Regards,
Ajay

On Mon, Jul 9, 2012 at 10:00 PM, Ajay Garg <ajay at activitycentral.com> wrote:

> On Mon, Jul 9, 2012 at 9:38 PM, Martin Langhoff <martin.langhoff at gmail.com
> > wrote:
>
>> On Mon, Jul 9, 2012 at 10:49 AM, Ajay Garg <ajay at activitycentral.com>
>> wrote:
>> > The patch link was embedded later into the email ::
>> >
>> http://people.sugarlabs.org/ajay/root/freedesktop_bug_51501/common-patch-for-f14-and-f17/customize-avahi-default-ttl-values.patch
>>
>> Ah, thanks! Have you shown this patch to Avahi hackers?
>>
>
>
> Just sent them a notification :)
>
>
>
>
>
>
>>
>> Avahi-daemon has /etc/avahi/avahi-daemon.conf, which is read by
>> load_config_file() in main.c . Perhaps that is better than
>>
>> -#define AVAHI_DEFAULT_TTL_HOST_NAME (120)
>> +#define AVAHI_DEFAULT_TTL_HOST_NAME get_avahi_default_ttl_host_name()
>>
>
>
> Bang on !!!!
>
> That was the first thing I had tried.
>
> The "#defines" are needed in all the avahi-modules (avahi-core,
> avahi-daemon, etc.), so it needs to have itself pre-processed from the
> common "avahi-common" module. Thankfully, the two "#defines" are present in
> "avahi-common/defs.h".
>
> This "avahi-common" is the basic common module, which is linked to other
> modules (avahi-core, avahi-daemon, etc)
>
> So far, so good.
>
>
> But.. the problem starts now..
>
> If the two additional values are read from the "static int
> load_config_file(DaemonConfig *c)" method in "avahi-daemon/main.c" (via
> "/etc/avahi/avahi-daemon.conf"), that does not work out.
> Reason is that, because "avahi-daemon" requires "avahi-core" to complete
> its linking process, whereas "avahi-core" would need "avahi-daemon" to
> complete its linking process (since the two values will be read from the
> context of "avahi-daemon").
>
> That puts us in a catch-22 situation.
>
> So, actually, the right place to load the complete config is in
> "avahi-common" module; but as of now, even in F17, the "static int
> load_config_file(DaemonConfig *c)" method resides in the "avahi-daemon"
> module :\
>
> Anyways, I loaded the two required variables (without needing the methods
> of "avahi-daemon" module) from the context of "avahi-common".
>
>
>
>> ?
>>
>> cheers,
>>
>>
>>
>> m
>> --
>>  martin.langhoff at gmail.com
>>  martin at laptop.org -- Software Architect - OLPC
>>  - ask interesting questions
>>  - don't get distracted with shiny stuff  - working code first
>>  - http://wiki.laptop.org/go/User:Martinlanghoff
>>
>
>
>
>
> Thanks and Regards,
> Ajay
>
>
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