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XROOTD-DEV  February 2017

XROOTD-DEV February 2017

Subject:

Re: [xrootd/xrootd] xrootd 4.6.0 backward incompatibilities (#470)

From:

Fabrizio Furano <[log in to unmask]>

Reply-To:

xrootd developers' list for Scalla/xrootd repository and related issues <[log in to unmask]>

Date:

Wed, 22 Feb 2017 14:09:16 +0100

Content-Type:

text/plain

Parts/Attachments:

Parts/Attachments

text/plain (165 lines)

Hi,

 I just submitted a pull request containing the minifixes to XrdHttp proposed by Brian.

 Brian, please review and let me know if it's fine for you.

Cheers
Fabrizio

On 02/22/2017 10:23 AM, Fabrizio Furano wrote:
> Hi,
> 
>  I am on it. My very personal opinion is that the original mistake
> was to keep it outside, hence my preference would still be to cleanly incorporate
> the voms extractor into the main codebase (with a well made Cmakelists of course).
> 
>  I am anyway investigating Brian's workarounds. Not very confident on the final outcome though.
> 
> f
> 
> 
> 
> On 02/21/2017 08:22 AM, Andrew Hanushevsky wrote:
>> You are correct Brian. I missed that use case. Your suggestions are quite reasonable.
>>
>> Andy
>>
>> On Mon, 20 Feb 2017, Brian Bockelman wrote:
>>
>>>
>>>> On Feb 20, 2017, at 7:24 PM, Andrew Hanushevsky <[log in to unmask]> wrote:
>>>>
>>>> Well, the issue now is that XrdHttp/XrdHttpSecXtractor.hh is in the public
>>>> header section. It should have been in the private header section since
>>>> it's part of the compiled package and no user would actually use it.
>>>
>>> Hi,
>>>
>>> The only two plugins that utilize this interface (xrootd-lcmaps, xrdhttpvoms) are both external projects and not part of the
>>> compiled package -- meaning the header is correctly marked as public.
>>>
>>> In fact, I'm a bit confused by the comment as there are no concrete implementations of the interface in the xrootd codebase.
>>>
>>> (Plus, it's an extremely useful interface as it allows a single authorization plugin for both the xrootd and HTTP protocols...)
>>>
>>>> According to EPEL rules we can't move it until a major release change. Of
>>>> course, given the circumstances we could get dispensation but that is up
>>>> to Mattias.
>>>>
>>>
>>> Why not:
>>>
>>> - Rename InitCtx back to the original Init
>>> - Make InitSSL / FreeSSL not pure-virtual (put in the trivial inline implementation in the base class).
>>>
>>> That fixes the API issue.  Then beg forgiveness on the ABI break, given it's a new interface and the two consumers of the
>>> interface both can work with this (simple coordinated RPM "Conflicts:" statement).
>>>
>>> Brian
>>>
>>>> Andy
>>>>
>>>> On Mon, 20 Feb 2017, xrootd-dev wrote:
>>>>
>>>>> Hi,
>>>>>
>>>>> I never knew that the SecXtractor was considered
>>>>> a public interface, for sure that was not
>>>>> intended. Was it ?
>>>>>
>>>>> The recent changes wanted to comply with the guidelines
>>>>> for xrootd plugins loading, in order to make it possible to
>>>>> become a public interface with version checking, etc.
>>>>>
>>>>> Andy ? What do you prefer that we do here ?
>>>>>
>>>>> f
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> On 02/20/2017 05:02 PM, ellert wrote:
>>>>>> I have received additional comments on the 4.6.0 update in EPEL testing:
>>>>>>
>>>>>> https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2017-9b2cd39ee3
>>>>>>
>>>>>> First comment:
>>>>>>
>>>>>> It appears this PR breaks ABI / API compatibility in the XrdSecXtractor interface: #444
>>>>>> <https://github.com/xrootd/xrootd/pull/444>
>>>>>>
>>>>>> My plugin https://github.com/bbockelm/xrootd-lcmaps fails to compile after the update.
>>>>>> karma: -1
>>>>>>
>>>>>> Second comment:
>>>>>>
>>>>>> The configuration of for the pfc.* attributes changed, meaning existing configurations that use the caching proxy fail to
>>>>>> start after upgrade.
>>>>>>
>>>>>> The old-style attributes should still be permitted (especially as there appears to be a simple translation between old and
>>>>>> new).
>>>>>>
>>>>>> PR #444 <https://github.com/xrootd/xrootd/pull/444> that is referenced does mention that there is breakage, so maybe this was
>>>>>> intentional?
>>>>>>
>>>>>> ÿÿ
>>>>>> You are receiving this because you are subscribed to this thread.
>>>>>> Reply to this email directly, view it on GitHub <https://github.com/xrootd/xrootd/issues/470>, or mute the thread
>>>>>> <https://github.com/notifications/unsubscribe-auth/AD7YjnupBw1VGCbk4ExabxslSJfCOXtnks5rebkAgaJpZM4MGWj1>.
>>>>>>
>>>>>>
>>>>>> --------------------------------------------------------------------------------------------------------------------------------
>>>>>>
>>>>>>
>>>>>> Use REPLY-ALL to reply to list
>>>>>>
>>>>>> To unsubscribe from the XROOTD-DEV list, click the following link:
>>>>>> https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=XROOTD-DEV&A=1
>>>>>>
>>>>>
>>>>>
>>>>> -- 
>>>>> You are receiving this because you are subscribed to this thread.
>>>>> Reply to this email directly or view it on GitHub:
>>>>> https://github.com/xrootd/xrootd/issues/470#issuecomment-281127802
>>>> ÿÿ
>>>> You are receiving this because you commented.
>>>> Reply to this email directly, view it on GitHub <https://github.com/xrootd/xrootd/issues/470#issuecomment-281219301>, or mute
>>>> the thread <https://github.com/notifications/unsubscribe-auth/AD7YjmmapU9GmMtZmiGKEmTlP0ngfrXeks5rejzagaJpZM4MGWj1>.
>>>>
>>>>
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>>>
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>>
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