I am modifying an existing working filter module. I am issuing a
subrequest, which is to a URI, or to a static local file (via a location in
the config); I'd like to determine the size of the response that I'm
getting back from the subrequest.

In the subrequest's header filter, I'm doing this to find out the response
size:
if (r->upstream) {
r->upstream->headers_in.content_length_n

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e: bmoran@onehub.com
p: +1 206 390 4376

Onehub, Inc.
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