Re: [Qemu-devel] [PATCH for-2.12 REPOST] migration: convert socket server to QIONetListener

["Daniel P. Berrangé" <berrange@redhat.com>]

On Tue, Mar 13, 2018 at 11:57:17AM +0100, Paolo Bonzini wrote:
> On 13/03/2018 10:20, Dr. David Alan Gilbert wrote:
> >>  static void socket_start_incoming_migration(SocketAddress *saddr,
> >>                                              Error **errp)
> >>  {
> >> -    QIOChannelSocket *listen_ioc = qio_channel_socket_new();
> >> +    QIONetListener *listener = qio_net_listener_new();
> >>  
> >> -    qio_channel_set_name(QIO_CHANNEL(listen_ioc),
> >> -                         "migration-socket-listener");
> >> +    qio_net_listener_set_name(listener, "migration-socket-listener");
> >>  
> >> -    if (qio_channel_socket_listen_sync(listen_ioc, saddr, errp) < 0) {
> >> -        object_unref(OBJECT(listen_ioc));
> >> +    if (qio_net_listener_open_sync(listener, saddr, errp) < 0) {
> >> +        object_unref(OBJECT(listener));
> >>          return;
> >>      }
> >>  
> >> -    qio_channel_add_watch(QIO_CHANNEL(listen_ioc),
> >> -                          G_IO_IN,
> >> -                          socket_accept_incoming_migration,
> >> -                          listen_ioc,
> >> -                          (GDestroyNotify)object_unref);
> >> +    qio_net_listener_set_client_func(listener,
> >> +                                     socket_accept_incoming_migration,
> >> +                                     NULL, NULL);
> >>  }
> >>  
> >>  void tcp_start_incoming_migration(const char *host_port, Error **errp)
> >> -- 
> >> 2.14.3
> >>
> > --
> > Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK
> > 
> 
> Could this get in 2.12 as a bugfix, even after soft freeze?  It's the
> last user of qio_channel_listen_sync that blocks full IPv4/IPv6 support.
>  All other users are for vsock/AF_UNIX.

I had been thinking of all this conversion as feature, but I guess if we
squint our eyes a bit we could claim it is just a bugfix on the grounds
that it is fixing broken IPv4/6 dual stack support.

Regards,
Daniel
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