Re: [gnet] G_IO_Condition on a iochannel for a socket

[Andrew J Lanoix <alanoix umich edu>]

If you don't think glib's docs are clear, go ahead and submit a better
explanation.

Andy

On Thu, 28 Jun 2001, Aschwin van der Woude wrote:

> Ah, thanks!!
> Perhaps you could include an explanaition about this in the documents.
> I can also make this change for you if you like, and send in a doc-patch.
>
> Thanks a lot,
>
> Aschwin
>
>
> Andrew J Lanoix wrote:
>
> >What you describe is the correct behavior. When a client disconnects you
> >get a G_IO_IN and a read of 0. The G_IO_IN is used to signal that your
> >received something, and the read of 0 is the standard way sockets say the
> >other end closed the connection. Take a look at the gnet's  echoserver &
> >echoclient --async examples.
> >
> >Andy
> >
> >On Wed, 27 Jun 2001, Aschwin van der Woude wrote:
> >
> >>Hi,
> >>
> >>It is not clear to me if this question belongs on this list or on the
> >>glib-list, so please forgive and correct me if this questions belongs to
> >>the glib-list.
> >>
> >>We are not members of this mailinglist, so please cc: the reply to us.
> >>
> >>I am participating in a small game-project. For this project we build a
> >>client/server, decided to use gnet and glib, and use TCP/IP as a network
> >>protocol.
> >>
> >>Everything works fine, accepting connections, receiving data and so forth.
> >>We use g_io_add_watch() to received socket/iochannel conditions.
> >>
> >>But we noticed when the client-side hangs up the connection (tested with
> >>telnet), a condition G_IO_IN is issued on the server.
> >>There is no data to be received from the stream, so currently we used
> >>this condition and this last fact to assume the otherside of the
> >>connection has hung up. This solution seems to work fine for our
> >>test-cases, but I doubt it is the correct solution.
> >>
> >>We initially expected a G_IO_HUP condition to be received when the
> >>otherside of the connection is closed.
> >>
> >>We currently use the following versions :
> >>
> >>glib version:    1.2.10-ximian.2
> >>gnet version:    1.0.4-ximian.2
> >>
> >>Could you shed some light on this curiosity?
> >>
> >>
> >>Thanks,
> >>
> >>Aschwin
> >>
> >>--
> >>
> >>   If I have been able to see further,
> >>   it was only because I stood on the shoulders of giants.
> >>
> >>                                    Sir Isaac Newton
> >>
> >>
> >>
> >>_______________________________________________
> >>gnet mailing list
> >>gnet gnetlibrary org
> >>http://www.gnetlibrary.org/mailman/listinfo/gnet
> >>
>
>
> --
> Aschwin van der Woude
> Open source specialist
>
>
>    If I have been able to see further,
>    it was only because I stood on the shoulders of giants.
>
>                                     Sir Isaac Newton
>
>
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