[Click] How do I do this?

[Beyers Cronje]

I doubt that Discard has a pull function.

Rather try the following config:

Socket(UDP, 10.41.224.67, 1234, VERBOSE true, CLIENT false)
->Print(FROMSOCKET) -> Discard;

Beyers


On 8/2/07, Adam M <click at irotas.net> wrote:
>
> Hi Beyers,
>
> I'm experimenting with the Socket approach that you mentioned, but so
> far I'm not having much luck.
>
> I've got a simple configuration running just to make sure I understand
> the basic plumbing:
> Socket(UDP, 10.41.224.67, 1234, VERBOSE true, CLIENT false) ->
> NotifierQueue -> Print -> Discard
>
> I was expecting that UDP packets destined for my local box
> (10.41.224.67) on port 1234 would be picked up by Socket and fed
> downstream through the NotifierQueue into Print and then dumped by
> Discard. However, I generate such packets from a remote box (and
> verified with Ethereal that they are indeed arriving on my local box),
> but Click doesn't seem to react.
>
> The documentation for Socket is a bit confusing, and unfortunately
> there's no example configuration for Socket in the 'conf' directory. I
> was hoping that my mistake is egregious enough that you can easily
> clarify it for me. :)
>
> Thanks again,
> Adam
>
>
> On Thu, 2 Aug 2007 00:03:14 +0200, "Beyers Cronje" <bcronje at gmail.com>
> said:
> > HI Adam,
> >
> > Why not use IPClassifier element?
> >
> > I.e. the following click config file will forward all UDP port 1234
> > packets
> > to your simulation code element, and your element will output it to
> > KernelTun element that delivers it to the tunnel interface:
> >
> > FromDevice(eth0) -> Strip(14) -> MarkIPHeader -> IPClassifier(dst udp
> > port
> > 1234) -> YourSimulationElement -> KernelTun(1.0.0.1/8);
> >
> > You might need to enable promiscuous mode in FromDevice if the
> > destination
> > ethernet address is not eth0's address.
> >
> > Alternatively, if you are looking at a true UDP server, you should use
> > the
> > Socket element i.e.:
> >
> > Socket(UDP, 10.1.1.1, 1234) -> YourSimulationElement ->
> > KernelTun(1.0.0.1/8
> > );
> >
> > Beyers
>