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Re: [libmicrohttpd] Protocol upgrade

From: Markus Doppelbauer
Subject: Re: [libmicrohttpd] Protocol upgrade
Date: Mon, 14 Nov 2016 12:58:56 +0100

Dear Evgeny,

Thanks a lot for your answer.
I will have to live with this API - but I don't like it. A great API would be
something similar to "MHD_create_response_from_callback()" and

But I understand that this is very difficult to implement.

Maybe I am wrong, but this would also obsolete the "pipe()" on TLS connections.

Thanks a lot

Am Montag, den 14.11.2016, 14:05 +0300 schrieb Evgeny Grin:
Hi Markus,

We are trying to avoid blocking of MHD by external processing of
"upgraded" socket data.
Currently these is no way to register such notification and it couldn't
be easily added for non-TLS connections.
But even if we'll add it - it will block MHD if you will process data in
the caller thread. And anyway you will need a poll()/select() to send data.
For simplicity - you can use poll() (which is available almost
everywhere) and separate thread for each upgraded socket. If you need
compatibility with older W32 versions - you can use select() for W32 as
select() on W32 doesn't have limitation on socket's number.

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