[LTP] [PATCH v2 2/3] broken_ip-nexthdr.sh: Check IPv6 support before forcing it

[Petr Vorel]

Hi Cyril,

> Hi!
> > diff --git a/testcases/network/stress/broken_ip/broken_ip-nexthdr.sh b/testcases/network/stress/broken_ip/broken_ip-nexthdr.sh
> > index ec6643af66..cb4a3dd399 100755
> > --- a/testcases/network/stress/broken_ip/broken_ip-nexthdr.sh
> > +++ b/testcases/network/stress/broken_ip/broken_ip-nexthdr.sh
> > @@ -11,6 +11,7 @@ TST_TESTFUNC="do_test"
> >  do_test()
> >  {
> >  	# not supported on IPv4
> > +	tst_net_require_ipv6
> >  	TST_IPV6=6
> >  	TST_IPVER=6

> I was looking at the code if we can simply instead do:

> [ "$TST_IPVER" == 6 ] && tst_net_require_ipv6

> in the test library, but it looks like the parameters are parsed in the
> tst_test.sh in the tst_run() function. Which means that the TST_IPVER is
> not actually set until the test starts and the library has no way of
> knowing the variable value beforehand.

> I guess that we can actually move the option parsing code in the
> tst_test.sh so that it happens just right after the script is sourced,
> which would make things much easier as the TST_IPVER would end up being
> defined in the tst_network.sh and we coud simply use the statement above
> without any further hacks like this patch adds.

> As a side effect we could clean up the test option parsing code since we
> do actually have two different getopts loop in the tst_test.sh library
> and as far as I can tell we can do just with one.

I tried to implement this [1] (or [2] if I force push), and using getopts the
end of the script only would require also to move loading '. tst_test.sh' at the
end of *all* the test scripts because setup functions needs to be loaded before
sourcing tst_test.sh. Do we want this?

Kind regards,
Petr

[1] https://github.com/pevik/ltp/commit/9d77e5d964751ea3f0c8d22c4265c0041e2ebbc9
[2] https://github.com/pevik/ltp/commits/tst_test.sh/cleanup-getopts