Re: [Qemu-devel] [PATCH v2 0/3] nonblocking connect address handling cleanup

[Amos Kong <akong@redhat.com>]

On 12/09/12 19:12, Orit Wasserman wrote:
> getaddrinfo can give us a list of addresses, but we only try to
> connect to the first one. If that fails we never proceed to
> the next one.  This is common on desktop setups that often have ipv6
> configured but not actually working.
> A simple way to reproduce the problem is migration:
> for the destination use -incoming tcp:0:4444, run migrate -d tcp:localhost:4444
> migration will fail on hosts that have both IPv4 and IPV6 address for localhost.
>
> To fix this, refactor address resolution code and make inet_nonblocking_connect
> retry connection with a different address.


Looks good to me.

Reviewed-by: Amos Kong <akong@redhat.com>
Tested-by: Amos Kong <akong@redhat.com>


> Orit Wasserman (3):
>    Refactor inet_connect_opts function
>    Separate inet_connect into inet_connect (blocking) and
>      inet_nonblocking_connect
>    Fix address handling in inet_nonblocking_connect
>
>   migration-tcp.c |   29 ++-----
>   nbd.c           |    2 +-
>   qemu-sockets.c  |  254 +++++++++++++++++++++++++++++++++++++++++--------------
>   qemu_socket.h   |    9 ++-
>   ui/vnc.c        |    2 +-
>   5 files changed, 208 insertions(+), 88 deletions(-)
>

-- 
			Amos.