Re: [Pound Mailing List] [Patch] WebSocket support for pound

This is awesome!

I will try this out sometime soon! Thanks!

-- 
Alexander Kolodziej
Pattern Matchician, Tactel AB
Phone: +46761452104
Email: [email protected]

On 2018-08-07 11:58, Frank Schmirler wrote:
> Hi,
>
> we recently stumbled over the missing WebSocket support in pound. I attached a
> patch against vanilla pound-2.8 which adds support. So far it has been tested
> with Guacamole (https://guacamole.apache.org/) and with a commercial product
> using WebSockts and it worked without any problems or side effects.
>
> The patch collects the various markers for an upgrade request and for the
> server`s acceptance of the upgrade in variable "is_ws". When all markers have
> been collected, the connection switches to "WebSocket mode", i.e. simply
> forward everything between client and server in both directions until the
> connection is closed or times out. There is no parsing of WebSocket frames.
>
> With the patch, WebSockets should start working out of the box. There's no
> need to configure anything special (except for the usual listener, service and
> backend configuration of course). WebSocket connections are usually long-lived
> (hours or even days). However WebSocket clients usually send keep alive
> packets to prevent timeouts or silently re-connect when the connection is
> closed. So I decided to use a rather conservative timeout of just 600 seconds.
> You can override this default with the new configuration file directive
> "WSTimeout <seconds>" on the global level and per backend.
>
> Regards,
> Frank


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