mod_lisp support for guile-www

[Neil Jerram]

Hi all!

I'm working on a project that needs a web data server, and I'd like to
use Apache + mod_lisp + Guile for that.

I know that there is a mod_lisp_for_guile written by Alan Grover, but it
bothers me that our various bits of www function aren't better
integrated, and guile-www seems like the biggest and best-integrated
collection of such function so far... so I've taken a look at adding
mod_lisp support to guile-www.

Conceptually, I think this works well.  Just as an HTTP server is a "big
dishing loop" that reads and writes the HTTP protocol, a mod_lisp server
is a big dishing loop that reads and writes the mod_lisp protocol.  In
either case, above the protocol-handling layer you have the "so what do
I do with this request" logic, which is conceptually the same.  So
another benefit of integrating mod_lisp support into guile-www is that
someone can write their request-handling logic, and decide later whether
to run it as part of a standalone guile-www server, or using Apache, via
mod_lisp.

Anyway, I attach my work in progress, for the sake of soliciting any
comments that people may have, as a patch against 2.27.  Please note
that I'm not necessarily proposing _everything_ here for incorporation
into guile-www - e.g. I think my (ossau template) module might fit
better elsewhere - but I've included everything in the patch that's
needed for a complete example.

Thanks in advance for any comments!

      Neil

0001-modlisp-wip.patch
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