[Nice] Various questions related to the api

Dafydd Harries dafydd.harries at collabora.co.uk
Thu Nov 15 10:57:07 PST 2007

Ar 15/11/2007 am 19:58, ysgrifennodd Kai.Vehmanen at nokia.com:
> Hi,
> On 15 Nov 2007,  Dafydd Harries wrote:
> >> So I haven't touched add_remote_candidate() (same API as in main 
> >> branch), but added set_remote_candidates() (sufficient API to 
> >> implemented IETF-ICE).
> >
> >I don't really understand this part. Does IETF-ICE require 
> >that all remote candidates are set at the same time for some reason?
> the whole spec is written so that one agents sends an offer and 
> the other replies. So you always get a set of remote candidates in 
> an offer/answer.
> I didn't want to change the API to be based around this idea (as
> I know that in jingle you have the dribble mode), but for setting 
> the remote candidates it seems you need different APIs for
> dribble and for offer/answer-transaction.
> It _might_ be possible to write an IETF-ICE compliant implementation
> with just add_candidate() (so same API for dribble and IETF-ICE),
> but due to the way spec was written, it was easier to at
> least start with set_remote_candidates(). But having a unified
> API seems tricky as the IETF-ICE agent needs to know which added 
> remote candidates are part of the same offer/answer...

Hmm, you're saying the agent has some concept of groups of candidates? I
thought there was only one offer/answer per stream in progress at any given


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