Il 16/05/2011 17.25, Mark Montague ha scritto:
Please don't reply privately (off-list); it deprives other people
(both now and in the future) from the benefits of the discussion.
Sorry but I have not done on purpose!
On May 16, 2011 11:05 , marco <marcodis...@gmail.com> wrote:
I have a LAMP architecure and I want that when an http request must
be served, then the apache server (before the request is served) send
a signal to a different process (that doesn't belong to apache, for
example a process called X). Only after the X process run, Apache can
serve the request.
So the temporal sequence are:
----->httprequest---->Apache--->Xprocess--->Apache
I have seen that http_request.c file manage this situation; for this
I want to modify this file.
Can you believe that this problem can be solved without modify
http_request.c file?
Yes: I believe you could write a module to do this. (I'd have to do
research to be able to say exactly how, though). The advantage to
doing this in a module, instead of modifying httpd itself, is lower
maintenance costs when future versions of Apache HTTP Server are
released, quicker upgrades, and less confusion of other people (system
administrators, webmasters) who have to work with your site or
server. For more information, seek help on the Apache HTTP Server
third-party module development mailing list.
If you'd like to do this without having to write a full Apache module
in C, take a look at mod_perl:
http://perl.apache.org/docs/2.0/user/handlers/intro.html This will
allow you to tie into the Apache request processing loop from a Perl
script, rather than from a compiled module. For more information,
seek help on the mod_perl users' mailing list.
But, are you sure that you need to signal a different process, and
that what process X does is not something that can be done through
Apache, or via another mechanism or architecture?
Yes, X is a different process.
Thanks a lot for your answers. Now I see your link!
Bye
--
Mark Montague
m...@catseye.org
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