Re: [Qemu-devel] [PATCH 5/6] migration: Now set the migration uri

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

On Mon, Oct 30, 2017 at 12:21:11PM +0100, Juan Quintela wrote:
> Signed-off-by: Juan Quintela <quintela@redhat.com>
> ---
>  migration/migration.c | 25 ++++++++++++++++++-------
>  migration/migration.h |  2 ++
>  migration/socket.c    |  7 +++++++
>  3 files changed, 27 insertions(+), 7 deletions(-)


> diff --git a/migration/socket.c b/migration/socket.c
> index 3a8232dd2d..c3ab81d1fb 100644
> --- a/migration/socket.c
> +++ b/migration/socket.c
> @@ -187,7 +187,14 @@ void tcp_start_incoming_migration(const char *host_port, Error **errp)
>      Error *err = NULL;
>      SocketAddress *saddr = tcp_build_address(host_port, &err);
>      if (!err) {
> +        char *new_uri;
>          socket_start_incoming_migration(saddr, &err);
> +        if (!err) {
> +            new_uri = g_strdup_printf("tcp:%s:%s", saddr->u.inet.host,
> +                                      saddr->u.inet.port);

This is bad as it is throwing away data that the original URI had. In particular
you loose the 'ipv4=on|off' and 'ipv6=on|off' flags. If you need to keep the
original URI for later, then why not just keep the 'host_port' parameter that
was passed into this function instead of trying to reverse engineeer the URI ?


Regards,
Daniel
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