[PATCH v3 27/30] hmp: QAPIfy object_add

[Markus Armbruster]

Kevin Wolf <kwolf at redhat.com> writes:

> This switches the HMP command object_add from a QemuOpts-based parser to
> user_creatable_add_from_str() which uses a keyval parser and enforces
> the QAPI schema.
>
> Apart from being a cleanup, this makes non-scalar properties and help
> accessible. In order for help to be printed to the monitor instead of
> stdout, the printf() calls in the help functions are changed to
> qemu_printf().
>
> Signed-off-by: Kevin Wolf <kwolf at redhat.com>
> Acked-by: Peter Krempa <pkrempa at redhat.com>
> Reviewed-by: Eric Blake <eblake at redhat.com>
> Reviewed-by: Dr. David Alan Gilbert <dgilbert at redhat.com>
> ---
>  monitor/hmp-cmds.c      | 17 ++---------------
>  qom/object_interfaces.c | 11 ++++++-----
>  hmp-commands.hx         |  2 +-
>  3 files changed, 9 insertions(+), 21 deletions(-)
>
> diff --git a/monitor/hmp-cmds.c b/monitor/hmp-cmds.c
> index 3c88a4faef..652cf9ff21 100644
> --- a/monitor/hmp-cmds.c
> +++ b/monitor/hmp-cmds.c
> @@ -1670,24 +1670,11 @@ void hmp_netdev_del(Monitor *mon, const QDict *qdict)
>  
>  void hmp_object_add(Monitor *mon, const QDict *qdict)
>  {
> +    const char *options = qdict_get_str(qdict, "object");
>      Error *err = NULL;
> -    QemuOpts *opts;
> -    Object *obj = NULL;
> -
> -    opts = qemu_opts_from_qdict(qemu_find_opts("object"), qdict, &err);
> -    if (err) {
> -        goto end;
> -    }
>  
> -    obj = user_creatable_add_opts(opts, &err);
> -    qemu_opts_del(opts);
> -
> -end:
> +    user_creatable_add_from_str(options, &err);
>      hmp_handle_error(mon, err);
> -
> -    if (obj) {
> -        object_unref(obj);
> -    }
>  }

Doesn't this break the list-valued properties (Memdev member host-nodes,
NumaNodeOptions member cpus) exactly the same way that made us keep
QemuOpts for qemu-system-FOO -object?

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