[manet] Re: [Aodvimpl] Deleting packets from the interface queue

[Riadh Marrakchi <riadh.marrakchi.external@mchp.siemens.de>]

Hi,
i'm using the version ns-2.1b9.
I think it's the same because rt->rt_nexthop() = ih-> saddr()  (See the if
condition)

"Zhenqiang(Frank) Ye" wrote:

> Which version are you using?
>   In my program it is
>
>       while((pkt = ifqueue->filter(rt->rt_nexthop)))
>
>   The version is ns-2.1b8a.
>
> Frank
>
> On Thu, 19 Sep 2002, Riadh Marrakchi wrote:
>
> > Hello,
> > i found this line in the recvError function in the aodv implementation
> > of ns-2:
> >
> > // Not sure whether this is the right thing to do
> >    Packet *pkt;
> >  while((pkt = ifqueue->filter(ih->saddr()))) {
> >          drop(pkt, DROP_RTR_MAC_CALLBACK);
> >       }
> >
> >   I think this step is false, because every packet from the queue, which
> > has saddr() as a next hop will be deletet without taking into account,
> > which (final) destination it has. For example, a data packet can have
> > the node sending the error as next hop, but its destination is not one
> > of the unreachable destinations in the error message. So with that code
> > above this packet will be deleted, although it uses the node forwarding
> > the error message only as next hop for a destination which is yet
> > reachable.
> > I hope i'm not misunderstanding some stuff. If so, just let me know
> > please.
> > Best regards
> > Riadh
> >
> >
> >
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>
> --
>
> ****************************************
> Zhenqiang(Frank) Ye
> Ph.D Student
> Department of Electrical Engineering
> University of California, Riverside
> Phone: (909)-787-2434
> email: zye@cs.ucr.edu
> ****************************************

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