[LTP] [PATCH 2/2] network/route: Rewrite route-change-gw into new API

[Petr Vorel]

Hi Alexey,

> > don't remember why the rewritten test is
> > not using background traffic and not changing gateway anymore?
> The current implementation was based on your suggestion for route-change-dst [1] (I'll
> mention that in commit message), which uses ns-udpsender.  The other patch [2] is
> changing gateway.

> Tests used ns-udpsender in previous implementation and we decided to keep it as  use
> background traffic isn't sufficient enough [3].

> But ns-udpsender isn't good enough, as it doesn't check whether destination receive it [4].
> And indeed you can pass it to any destination and it will not fail, e.g.:
> ns-udpsender -f 4 -D 1.2.3.4 -p 1 -o -s 1472

> I guess we need to write another helper, which will listen for packets on remote side.
> Any recommendations/ideas on it?

Ping, please.
I suppose we want these gateway tests do the real client server communication even it's
done on localhost, via tst_ipaddr_un().

I guess we want to keep UDP, as it's faster than TCP.
So I'll create some server, which listens the packets, counts them and reports
it.


Kind regards,
Petr


> Kind regards,
> Petr

> [1] http://lists.linux.it/pipermail/ltp/2017-August/005367.html
> [2] https://lists.linux.it/pipermail/ltp/2018-May/008152.html
> [3] http://lists.linux.it/pipermail/ltp/2017-July/005125.html
> [4] http://lists.linux.it/pipermail/ltp/2017-August/005336.html