Re: Serving Images via FastCGI

On 1/30/07, Chris Lightfoot <[email protected]> wrote:
> On Tue, Jan 30, 2007 at 07:51:02PM -0500, Simon wrote:
> >
> > No, the script does not send content-length, although the image is static. I cannot
> > change the application,  only its running environment. Would sending content-length
> > somehow alter FastCGI's behaviour?
>
> if the server doesn't send the client some indication of
> the length of the response, it's impossible to use
> keepalive connections (the client wouldn't be able to
> distinguish the headers of the next response from the end
> of the current one). so either sending a content-length
> header or using the chunked transfer-encoding is a
> precondition for keepalives. however, the server may be
> able to impose chunked TE even if the FastCGI server
> doesn't send data in that format; that depends on the
> client being HTTP/1.1. usually best to send content-length
> if you can. it should be a trivial patch to the
> application to make it send a content-length if it's
> reading the image files from disk.

The behavior in apache should be for the fastcgi application, and
mod_fastcgi itself, to not worry about sending C-L or T-E.

If these connections are truly Conn: close it's probably not directly
the fault of the script (unless it's setting that explicitly)

-- 
Eric Covener
[email protected]
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