[mod_python] A patch for mod_python-2.4.1 (fwd)

Greg Stein gstein at lyra.org
Mon Aug 14 12:53:29 EST 2000

Nope. Haven't been reading it.

ap_get_client_block() returns a length. It can definitely return a length
less than that requested.

Or is it that length==0 gets returned before the end of the request? (which
would typically end the read loop)


On Mon, Aug 14, 2000 at 12:08:19PM -0400, Gregory Trubetskoy wrote:
> Greg -
> Are you following this thread? This could could qualify as a bug in
> Apache if Dr. Timochouk is right.
> Grisha
> ---------- Forwarded message ----------
> Date: Mon, 14 Aug 2000 15:44:19 +0100 (BST)
> From: Dr. L.A. Timochouk <L.A.Timochouk at ukc.ac.uk>
> To: Gregory Trubetskoy <grisha at modpython.org>
> Cc: mod_python at modpython.org
> Subject: Re: [mod_python] A patch for mod_python-2.4.1
> Yes, it appeared to us that "ap_get_client_block" is susceptible to short
> reads -- it indeed reads a BLOCK until the end of the current IP datagram
> but no further. The problem was discovered when we implemented our Web
> site with relatively large user submissions (by POST) using the current
> version of mod_python. The exact cause of the problem was identified with
> the help of "tcpdump".
> Sincerely, L.A.Timochouk

Greg Stein, http://www.lyra.org/

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