I have written a toy "enforce-https" middleware, and also a toy "run two servers" middleware, but not yet released onto CPAN.

To write a multiplexing server that can serve PSGI applications from two (or more) ports, you will have to look at the various backends. I chose AnyEvent, which is based on the idea of nonblocking handling. The existing implementations on CPAN (partially in Server::Starter I think) didn't work on Windows for me. One ugly part is that SSL does not work well on Windows+Strawberry+AnyEvent, I think because OpenSSL is linked to a different memory allocator than Strawberry Perl.

I think SSL-enabling a server is basically only the process of "replacing" the socket the server reads from by a socket that knows SSL. AnyEvent did that nicely, but I don't know what other servers/frameworks do.

Update: Plack::Handler::AnyEvent::HTTPD needs a small patch to allow SSL: https://github.com/miyagawa/Plack-Handler-AnyEvent-HTTPD/pull/2#issuecomment-7046948

In reply to Re: PSGI, Plack et.al. by Corion
in thread PSGI, Plack et.al. by McA

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