Re: [PATCH v2 28/31] hmp: QAPIfy object_add

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* Kevin Wolf (kwolf@xxxxxxxxxx) wrote:
> 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@xxxxxxxxxx>

Reviewed-by: Dr. David Alan Gilbert <dgilbert@xxxxxxxxxx>

> ---
>  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);
> -    }
>  }
>  
>  void hmp_getfd(Monitor *mon, const QDict *qdict)
> diff --git a/qom/object_interfaces.c b/qom/object_interfaces.c
> index 54f0dadfea..c4982dd7a0 100644
> --- a/qom/object_interfaces.c
> +++ b/qom/object_interfaces.c
> @@ -13,6 +13,7 @@
>  #include "qemu/help_option.h"
>  #include "qemu/module.h"
>  #include "qemu/option.h"
> +#include "qemu/qemu-print.h"
>  #include "qapi/opts-visitor.h"
>  #include "qemu/config-file.h"
>  
> @@ -212,11 +213,11 @@ static void user_creatable_print_types(void)
>  {
>      GSList *l, *list;
>  
> -    printf("List of user creatable objects:\n");
> +    qemu_printf("List of user creatable objects:\n");
>      list = object_class_get_list_sorted(TYPE_USER_CREATABLE, false);
>      for (l = list; l != NULL; l = l->next) {
>          ObjectClass *oc = OBJECT_CLASS(l->data);
> -        printf("  %s\n", object_class_get_name(oc));
> +        qemu_printf("  %s\n", object_class_get_name(oc));
>      }
>      g_slist_free(list);
>  }
> @@ -247,12 +248,12 @@ static bool user_creatable_print_type_properites(const char *type)
>      }
>      g_ptr_array_sort(array, (GCompareFunc)qemu_pstrcmp0);
>      if (array->len > 0) {
> -        printf("%s options:\n", type);
> +        qemu_printf("%s options:\n", type);
>      } else {
> -        printf("There are no options for %s.\n", type);
> +        qemu_printf("There are no options for %s.\n", type);
>      }
>      for (i = 0; i < array->len; i++) {
> -        printf("%s\n", (char *)array->pdata[i]);
> +        qemu_printf("%s\n", (char *)array->pdata[i]);
>      }
>      g_ptr_array_set_free_func(array, g_free);
>      g_ptr_array_free(array, true);
> diff --git a/hmp-commands.hx b/hmp-commands.hx
> index d4001f9c5d..6f5d9ce2fb 100644
> --- a/hmp-commands.hx
> +++ b/hmp-commands.hx
> @@ -1337,7 +1337,7 @@ ERST
>  
>      {
>          .name       = "object_add",
> -        .args_type  = "object:O",
> +        .args_type  = "object:S",
>          .params     = "[qom-type=]type,id=str[,prop=value][,...]",
>          .help       = "create QOM object",
>          .cmd        = hmp_object_add,
> -- 
> 2.29.2
> 
-- 
Dr. David Alan Gilbert / dgilbert@xxxxxxxxxx / Manchester, UK




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