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Re: [libmicrohttpd] Tiny request
From: |
Christian Grothoff |
Subject: |
Re: [libmicrohttpd] Tiny request |
Date: |
Thu, 04 Dec 2014 00:47:20 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Icedove/31.2.0 |
Done (SVN 34474). -Christian
On 12/04/2014 12:30 AM, Junker, Gregory wrote:
> Hi all
>
> I need a tiny addition made to connection.c.
>
> In keepalive_possible(), can we change the line that says
>
> if (0 == strcasecmp (end, "close"))
>
> to
>
>
>
> if (0 == strcasecmp (end, "close") || 0 == strcasecmp (end, "upgrade"))
>
> ?
>
> This would make it possible to use libmicrohttpd in a WebSocket (RFC6455)
> environment. Currently, the way that the WebSocket protocol works, it sends
> "Connection: Upgrade" in the headers with the initial handshake, which causes
> this check to fail and (ultimately) insert "Connection: Keep-Alive" in the
> response headers (which cause any compliant WebSocket client to fail the
> handshake, since it needs "Connection: Upgrade" in the response headers, and
> there is no way to remove this keepalive header from the response from
> outside of MHD, as it is added automatically to the response buffer).
>
> Note that this is only an HTTP/1.1 issue, AFAIK (I am pretty sure, though not
> positive, that WebSocket is not compatible with HTTP/1.0).
>
> Thanks!
> Greg
>
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