Re: Need your help: different connection IDs in the same datagram

[Dmitri Tikhonov <[e-mail]>]

On Thu, Jul 16, 2020 at 10:29:07AM +1000, Martin Thomson wrote:
> On Thu, Jul 16, 2020, at 09:59, Dmitri Tikhonov wrote:
> > You've lost me a bit, Martin.  Is this the code you aimed for?
> ....
> >         if (conn)
> >         {
> >   #if VARIANT_A
> >             if (!conn_owns_scid(conn, dcid))
> >   #elif VARIANT_B
> >             if (conn != lookup_by_dcid(dcid))
> >   #else
> > 	    if (false)
> >   #endif
> >                 continue;
> >         }
> >         conn = process_packet(quic_packet);
> >     }
> 
> Yeah, the point being that the check here is added at your discretion.
> It is possible to rely on the crypto to ensure that the connection
> rejects anything that isn't intended for it.

I see.  That's true, this is another way to do it.  On the other hand,
this is even less efficient than a hash lookup.

  - Dmitri.