[libnice] Inquiry re: commit 1ab9d7c104, “conncheck: Separate valid and succeeded states"

Olivier Crête olivier.crete at collabora.com
Mon Apr 10 20:28:00 UTC 2017


That is really interesting,

On Mon, 2017-04-10 at 18:42 +0200, Lorenzo Miniero wrote:
> 2017-02-27 22:30 GMT+01:00 Chad Phillips <chad at apartmentlines.com>:
> > Some git bisect work got me to the problem commit:
> > 
> > 1ab9d7c104978ea1904aaaad708c1c8c23c77592 is the first bad commit
> > 
> > commit 1ab9d7c104978ea1904aaaad708c1c8c23c77592
> > conncheck: Separate valid and succeded states
> He then tried a patch another user referenced on our issue page, and
> it worked instead: https://phabricator.freedesktop.org/D735

I've been looking at this patch a couple times and the reason I didn't
merge it is that I don't understand what it tries to accomplish.

But now I think I figured it out. It seems that libnice sets the
"nominated" flag on all the pairs when it creates them as a controlling
agent, which seems wrong. I think it should set the flag only when it
gets a reply... And this is why propagating the flag fixes it in some
cases, but I think we need to go over the whole conncheck code and make
it set the nominated flag at the right time (after the reply is

Olivier Crête
olivier.crete at collabora.com
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