[Click] Help! - Logging packets to /proc

[Beyers Cronje]

I have to note /click or /proc/click is merely an interface to the element,
so 'logging' of packets will be a problem as your element will need to
buffer the packets until a read is made on the handler.

On 11/23/06, Beyers Cronje <bcronje at gmail.com> wrote:
>
> Hi Praveen,
>
> You can use read_handler. The first argument of your read handler is a
> pointer to the element. As an example look at IPRouteTable element:
>
> String
> IPRouteTable::table_handler(Element *e, void *)
> {
>     IPRouteTable *r = static_cast<IPRouteTable*>(e);
>     return r->dump_routes();
> }
>
> void
> IPRouteTable::add_handlers()
> {
>     add_write_handler("add", add_route_handler, 0);
>     add_write_handler("set", add_route_handler, (void*) 1);
>     add_write_handler("remove", remove_route_handler, 0);
>     add_write_handler("ctrl", ctrl_handler, 0);
>     add_read_handler("table", table_handler, 0);
>     set_handler("lookup", Handler::OP_READ | Handler::READ_PARAM |
> Handler::ONE_HOOK, lookup_handler);
> }
>
>
> On 11/23/06, Praveen Balasubramanian <praveen_b at mail.utexas.edu> wrote:
> >
> > Hi all,
> >
> > I am using a Click router configuration in kernel mode.
> > I want to add an element that logs packets in /proc. I tried using
> > read_handler function (add_read_handler), but that is static and hence
> > can't be used by multiple element instances.
> > Should I add /proc handling code to the element or is there any way to
> > use an existing Click interface to do the same?
> >
> > Regards,
> > Praveen
> > _______________________________________________
> > click mailing list
> > click at amsterdam.lcs.mit.edu
> > https://amsterdam.lcs.mit.edu/mailman/listinfo/click
> >
>
>