Harald, thanks -- I'll check a variant of this in! But clear() functions generally return void, and so will this one.
Eddie Harald Schiöberg wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > Eddie Kohler wrote: >> Hi Harald, >> >> Click elements don't know what element(s) are connected to a push input >> port, or a pull output port. This is because it is valid for one or >> more elements to connect there. >> >> So if e->input_is_push(i), then e->input(i).element() == 0. >> >> To find the element or elements connected to a push input port, use >> Router functions to traverse the element graph. I've just checked in a >> rework of this functionality that should help you. On current mainline, >> you could say: >> >> #include <click/routervisitor.hh> >> ... >> ElementNeighborTracker tracker(router()); >> router()->visit_upstream(this, 0, &tracker); >> tracker.elements() // is a vector containing exactly those elements >> // that are connected to [0]this >> >> Does this make sense? > > Thanks a lot, works and makes perfect sense. > > attached a small patch that I found very useful when using that stuff... > > Harald > > > - -- > Harald Schiöberg > Technische Universität Berlin | T-Laboratories | FG INET > www: http://www.net.t-labs.tu-berlin.de > Phone: +49-(0)30-8353-58476 | Fax: +49-(0)391 534 783 47 > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.4.6 (GNU/Linux) > Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org > > iD8DBQFK9/kNy8wrZ9OvkU0RAhdPAJ9AsxLZpBnJGxxcZ7lbj7AiDcy6NQCgvliE > B0JdVik2y+79tH655btbJBI= > =zGnz > -----END PGP SIGNATURE----- > _______________________________________________ click mailing list [email protected] https://amsterdam.lcs.mit.edu/mailman/listinfo/click
