[Development] Windows: Trying to join to a multicast group as a receiver with specific interface always uses default interface

[David Callu]

Hi Tiago

2017-01-27 4:49 GMT+01:00 Thiago Macieira <thiago.macieira at intel.com>:

> Em sexta-feira, 27 de janeiro de 2017, às 00:57:37 PST, David Callu
> escreveu:
> > Hi,
> >
> > I spend 3 day to search, fix and test my patch for this bug.
> > I finally found 3 Issue about it :
>
> First of all, are you joining an IPv4 multicast group or an IPv6 one?
>

It is IPv4 bug, IPv6 implementation use the interface index that work fine.


> If it is IPv4, the priority for your issue has just dropped to the floor. I
> won't debug IPv4 multicast on Windows, on principle.
>

I won't work/debug/code on windows, but have to do. My company provide a
solution
that work on linux/mac/windows. And IPv4 multicast on windows is not an
option.

I already have a patch for this bug, I test it. I also using a not so bad
windows' command (netsh),
to ask the system the multicast state. And I see that the code do the job.



> If it is IPv6, I'll do it.
>





> > but the code review of this patch :
> > https://codereview.qt-project.org/#/c/112854/
> > have the status
> >
> > *Abandoned.*
> > This bug is here seen 2011, from the Initial import from the monolithic
> > Qt.commit.
> >
> > Why did this patch is abandoned ?
>
> I don't know.
>
> > What can i do to reactive it ?
>
> I've just asked Andy to do it. If he doesn't do it, you can submit the fix
> yourself.
>
ok, I will do this if needed.


>
> > If it is not correct, what can I do to fix it ?
>
> Debug and submit your patch, if this one doesn't do it.
>
> I will review IPv4 patches, but I will not lift a finger to test them.
>
ok


Regards
David Callu


>
> --
> Thiago Macieira - thiago.macieira (AT) intel.com
>   Software Architect - Intel Open Source Technology Center
>
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