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From Ian Holsman <>
Subject Re: Committed ap_init_filter_func code
Date Fri, 28 Jun 2002 16:20:46 GMT
Justin Erenkrantz wrote:
> On Fri, Jun 28, 2002 at 08:40:25AM -0000, wrote:
>>jerenkrantz    2002/06/28 01:40:25
>>  Modified:    .        CHANGES
> <snip, snip>
>>  Log:
>>  Add a filter_init function to the filters so that a filter can execute
>>  arbitrary code before the handlers are invoked.
> I went and committed this as no one has suggested a *viable*
> alternative to this approach that doesn't have design flaws.
> I know Greg is uneasy with this approach, but perhaps now that it is
> in the repository, it'll spark him to come up with an approach that
> is better.  
> The one caveat of the filter_init function is that it can not
> play with the headers because the handlers are responsible for
> setting the headers (such as L-M and C-L...).  If/when we revamp
> handlers again, perhaps it would be nice to separate out the headers
> from the entity generation (i.e. two distinct phases) - so that this
> filter initialization could execute once the headers are set in
> stone but before the content is created.  I don't think we could do
> this in a 2.0 construct, so this might be something to add for a 2.1
> (or 3.0).  NBD in any case.  -- justin
Can you put this caveat in a doxygen comment near the hook declaration.


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