Re: Testing socket for disconnect

Edit - perhaps you could just leave a long-running async_read_some()
operation going when idle?

Richard

On 11/29/06, Richard Dingwall 
<rdingwall-Re5JQEeQqe8AvxtiuMwx3w@xxxxxxxxxxxxxxxx> wrote:
> To answer you first question -
>
> as I understand it, there's no way to tell if the socket is still
> connected without select()-ing* on it. So you will need some sort of
> session-layer protocol no-op command that can be sent at intervals to
> poll for (detect) disconnections.
>
> I may be wrong!
>
> Richard
>
> * or kqueue(), poll(), epoll() etc, performed by boost::asio
>
> On 11/29/06, Stas Khirman <staskh-Wuw85uim5zDR7s880joybQ@xxxxxxxxxxxxxxxx> 
> wrote:
> > Hi,
> >
> > What is 'ASIO-approved' way to check if TCP socket had been disconnected by
> > remote peer while no outstanding read/write operation.
> >
> > Related question - Did I understand correctly that if I have an outstanding
> > read/write it will be completed with asio::error:: connection_aborted error
> > on remote peer disconnect ? .
> >
> > Stas
> >
> >
> >
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