[kea-dev] Building KEA on OpenBSD

Marcin Siodelski marcin at isc.org
Tue Dec 8 16:43:21 UTC 2015


I tend to agree that 'message' is not a good name for the binary being
installed in the 'bin' directory. I opened a ticket:

http://kea.isc.org/ticket/4228

which suggests the rename to 'kea-msg-compiler'.

Marcin

On 08.12.2015 16:27, Patrik Lundin wrote:
> On Mon, Dec 07, 2015 at 02:00:31PM +0100, Marcin Siodelski wrote:
>>>
>>> After doing this the tests succeed for me. Are there any platforms you
>>> are targeting that dont have pgrep available by default?
>>>
>>
>> I have checked some boxes running Linux, BSD and OS-X, and they do seem
>> to support 'pgrep'. So, I personally don't see issue with switching to
>> 'pgrep'. I will file a ticket and we'll discuss it on our team meeting
>> next Wednesday.
>>
> 
> Sounds good to me :).
> 
>>
>> Current use cases for random() seem to be:
>> - Client Identifier generation for DHCPv6
>> - Randomizing packet selection from the storage maintained by perfdhcp
>> - Unit tests
>>
>> I guess, none of those use cases require non-deterministic
>> randomization. However, please note that we set a current-time based
>> seed before randomization, so this provides sufficient mechanism for the
>> current use cases.
>>
>> I also don't think that switching to some other randomization mechanism
>> would pose any issue for those use cases. But, it would add some
>> complexity to the configure code.
>>
>> We do have a ticket: http://kea.isc.org/ticket/3678, which also refers
>> to http://kea.isc.org/ticket/3474 for an alternative solution. They both
>> suggest to not use random(), so at some point we should take care of that.
>>
>> However, we have treated this issue as a 'best practice' type of thing
>> and thus it was not on our priority list. If this build warning causes
>> some trouble for you integrating Kea as an OpenBSD package, please let
>> me know and we'll discuss elevating priority for this work.
>>
> 
> Understood, thanks for taking a look and verifying that there are no
> obvious problems here. I will leave these as-is unless I run into
> trouble.
> 
>>
>> Current code (which will be released as Kea-1.0.0-beta this week)
>> doesn't use strcat or sprintf. IIRC, in 0.9.2 we were using it
>> indirectly with the ASIO implementation (in ext/) which we dragged with
>> Kea. In 1.0.0 we rely on the boost::asio implementation, which should be
>> installed on the system building Kea. The ASIO implementation has been
>> removed from the Kea package. We don't have any plans to patch 'strcat'
>> and 'sprintf' use in 0.9.2. The issue should go away with 1.0.
>>
> 
> Thanks again for a thorough response. I only mentioned these warning to
> be complete. I'll keep an eye out when testing a newer release.
> 
> For interested parties the porting thread can be found here:
> http://marc.info/?l=openbsd-ports&m=144943324603479&w=2
> 
> I do agree with a comment in a response I have recieved in that thread
> that "message" is a pretty general name for a binary. Any thoughts on if
> this should be renamed to "kea-message" or similar?
> 


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