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Re: [Qemu-block] [PATCH 2/8] io: introduce a network socket listener API
From: |
Dr. David Alan Gilbert |
Subject: |
Re: [Qemu-block] [PATCH 2/8] io: introduce a network socket listener API |
Date: |
Fri, 11 Aug 2017 13:39:43 +0100 |
User-agent: |
Mutt/1.8.3 (2017-05-23) |
* Daniel P. Berrange (address@hidden) wrote:
> On Fri, Aug 11, 2017 at 01:26:00PM +0100, Dr. David Alan Gilbert wrote:
> > * Daniel P. Berrange (address@hidden) wrote:
> > > The existing QIOChannelSocket class provides the ability to
> > > listen on a single socket at a time. This patch introduces
> > > a QIONetListener class that provides a higher level API
> > > concept around listening for network services, allowing
> > > for listening on multiple sockets.
> >
> > What protects against a connection on more than one of the sockets?
>
> That's not the responsibility of this module. If a backend only
> wants to allow a single client at a time, it has to unregister
> the new client callback and re-register when it is ready to
> accept a new client. This aspect is no different to the existing
> case of multiple clients connecting to a single listener socket.
OK, and we guarantee that we never call accept() twice because we
make sure we do that unregister before we get back to the main loop?
Dave
>
> Regards,
> Daniel
> --
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--
Dr. David Alan Gilbert / address@hidden / Manchester, UK
[Qemu-block] [PATCH 3/8] blockdev: convert internal NBD server to QIONetListener, Daniel P. Berrange, 2017/08/10
[Qemu-block] [PATCH 4/8] blockdev: convert qemu-nbd server to QIONetListener, Daniel P. Berrange, 2017/08/10
[Qemu-block] [PATCH 5/8] migration: convert socket server to QIONetListener, Daniel P. Berrange, 2017/08/10
[Qemu-block] [PATCH 6/8] chardev: convert the socket server to QIONetListener, Daniel P. Berrange, 2017/08/10
[Qemu-block] [PATCH 7/8] ui: convert VNC server to QIONetListener, Daniel P. Berrange, 2017/08/10
[Qemu-block] [PATCH 8/8] sockets: fix parsing of ipv4/ipv6 opts in parse_socket_addr, Daniel P. Berrange, 2017/08/10