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Date: Thu, 31 May 2007 09:53:04 -0500
From: Josh Trutwin <josh@trutwins.homeip.net>
To: users@httpd.apache.org
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Subject: Re: [users@httpd] RewriteMap questions

On Thu, 31 May 2007 10:06:10 -0400
"Joshua Slive" <joshua@slive.ca> wrote:

> If you can get that to work under load, that's great. But I'd worry
> about that program becoming a choke point. Only one request at a
> time can be processed through the program. (Make sure you are using
> RewriteLock to serialize!) So I would do everything possible to keep
> requests that don't need the map out of there. That includes doing
> the expensive filesystem checks.

Will do - hopefully the load won't be too bad, but we'll see soon I
guess...

I added this to do the filesytem checks (not sure if there's a better
way to condense the conditions):

RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-l
RewriteRule .* ${rewriter:%{REQUEST_FILENAME}^%{REQUEST_URI}} [L, QSA]

One last problem I seem to be having is how the program returns NULL
- I have this when the program finds a match in the map file:

fputs(STDOUT, $map[$uri] . "\n");

When it doesn't find a match though I have it doing this:

fputs(STDOUT, "NULL");

Which seemed the correct thing to do per the docs.  The request
hangs even though the program has output buffering turned off too.

I have a link to the php program here if you are curious.

http://trutwins.homeip.net/rewriter.phps

Thanks,

Josh

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