[Xymon] DNS test interaction with 0.0.0.0

[J.C. Cleaver]

On Wed, April 6, 2016 10:41 am, John Thurston wrote:
> On 4/6/2016 9:23 AM, John Thurston wrote:
> - snip -
>> The presence of the equal-sign separated parameter to the DNS test is
>> breaking the test function. In my tests, the equal-sign syntax is only
>> functional if the host to be tested is specified with an ip address.
>> This is true even if xymonnet is called with --dns=only
>
> - snip-
>
>> These tests have been performed on Solaris 10 with 4.3.26. I'm going to
>> try similar tests on Linux on 4.3.17 and see how those results compare.
>
> I have confirmed that I see the same broken results on on linux 4.3.17
>
> I hadn't experienced this defect before because my only "equal-sign DNS"
> tests were being performed against un-resolvable hosts (so were
> specified with an IP address); and all of my resolvable hosts were only
> being asked to look up their own name.
>
> I can hack around this defect by defining my host with an IP address,
> but it would be nice if we figure out why its broken and fix it. I'm off
> to wade through xymonnet.c with my terrible C-parsing skills.
>


Thanks for the investigation (and confirmation). I see the same thing here
also. I'll take a closer look at the code base here too... I don't imagine
it'll be too difficult a fix.


Regards,
-jc