[asterisk-dev] murf: branch 1.4 r139347 - in /branches/1.4: main/pbx.c res/res_features.c

[asterisk at ntplx.net]

Put it back the way it was please. I am using 'h' for some call
cleanup after some apps and it has been working fine for years,
now it's broken.

Quoting Russell Bryant <russell at digium.com>:

> SVN commits to the Digium repositories wrote:
>> Author: murf
>> Date: Thu Aug 21 18:03:50 2008
>> New Revision: 139347
>>
>> URL: http://svn.digium.com/view/asterisk?view=rev&rev=139347
>> Log:
>>
>> (closes issue #13251)
>> Reported by: sergee
>> Tested by: murf
>>
>> THis is a bold move for a static release fix, but I wouldn't have
>> made it if I didn't feel confident (at least a *bit* confident)
>> that it wouldn't mess everyone up.
>>
>> The reasoning goes something like this:
>>
>> 1. We simply cannot do anything with CDR's at the current point
>> (in pbx.c, after the __ast_pbx_run loop). It's way too late to
>> have any affect on the CDRs. The CDR is already posted and gone,
>> and the remnants have been cleared.
>>
>> 2. I was very much afraid that moving the running of the 'h'
>> extension down into the bridge code (where it would be now
>> practical to do it), would result in a lot more calls to the
>> 'h' exten, so I implemented it as another exten under another
>> name, but found, to my pleasant surprise, that there was a
>> 1:1 correspondence to the running of the 'h' exten in the
>> pbx_run loop, and the new spot at the end of the bridge.
>> So, I ifdef'd out the current 'h' loop, and moved it into
>> the bridge code. The only difference I can see is the stuff
>> about the AST_PBX_KEEPALIVE, and hopefully, if this
>> is still an important decision point, I can replicate it
>> if there are complaints. To be perfectly honest,
>> the KEEPALIVE situation is not totally clear to me,
>> and how it relates to a post-bridge situation is less
>> clear. I suspect the users will point out everything
>> in total clarity if this steps on anyone's toes!
>>
>> 3. I temporarily swap the bridge_cdr into the channel
>> before running the 'h' exten, which makes it possible
>> for users to edit the cdr before it goes out the door.
>> And, of course, with the endbeforehexten config var set,
>> the users can also get at the billsec/duration vals.
>> After the h exten finishes, the cdr is swapped back
>> and processing continues as normal.
>>
>> Please, all who deal with CDR's, please test this version
>> of Asterisk, and file bug reports as appropriate!
>
>
> As we discussed on IRC before you committed this code, this change is
> absolutely unacceptable for _any_ version of Asterisk.  It completely
> changes the meaning of the 'h' extension, which has been a core piece of
> Asterisk functionality for many years.
>
> The obvious problems are:
>
> 1) What about calls that never involve the bridge code?  The 'h'
> extension won't even get executed?
>
> 2) As you even alluded to in your commit message, this introduces the
> possibility of running the 'h' extension multiple times for the same
> call, which has _never_ been the case before.
>
>
> The issues raised by the bug report need to be addressed a different way.
>
> --
> Russell Bryant
> Senior Software Engineer
> Open Source Team Lead
> Digium, Inc.
>
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