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Re: [hybi] Clarify the role of closing handshake

Peter Saint-Andre <stpeter@stpeter.im> Tue, 15 February 2011 20:33 UTC

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Date: Tue, 15 Feb 2011 13:33:28 -0700
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Subject: Re: [hybi] Clarify the role of closing handshake
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On 2/15/11 1:30 PM, Brian wrote:

> If you need, with websocket, to detect that the user's gone
> away (such as for an IM system to show that they're offline), you can
> do that on the server when you detect the connection is closed.  If
> you're using xhr-polling or similar, a reasonably short timeout on the
> server during which the user doesn't reconnect for more data should
> suffice as a suitable "user has gone away" event.

Agreed. And this is what we do in IM systems like XMPP (whether using
the TCP binding or BOSH).

Peter

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Peter Saint-Andre
https://stpeter.im/

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