Re: [Qemu-devel] [PATCH v2 2/9] qom: Implement qom-list HMP command

[Gonglei <arei.gonglei@huawei.com>]

On 2015/3/13 0:43, Andreas Färber wrote:
> Implement it as a wrapper for QMP qom-list, but mimic the behavior of
> scripts/qmp/qom-list in making the path argument optional and listing
> the root if absent, to hint users what kind of path to pass.
> 
> Signed-off-by: Andreas Färber <afaerber@suse.de>
> ---
>  hmp-commands.hx | 13 +++++++++++++
>  hmp.c           | 26 ++++++++++++++++++++++++++
>  hmp.h           |  1 +
>  3 files changed, 40 insertions(+)
> 
Reviewed-by: Gonglei <arei.gonglei@huawei.com>

> diff --git a/hmp-commands.hx b/hmp-commands.hx
> index d5022d8..c3b93d6 100644
> --- a/hmp-commands.hx
> +++ b/hmp-commands.hx
> @@ -1658,6 +1658,19 @@ Add CPU with id @var{id}
>  ETEXI
>  
>      {
> +        .name       = "qom-list",
> +        .args_type  = "path:s?",
> +        .params     = "path",
> +        .help       = "list QOM properties",
> +        .mhandler.cmd  = hmp_qom_list,
> +    },
> +
> +STEXI
> +@item qom-list [@var{path}]
> +Print QOM properties of object at location @var{path}
> +ETEXI
> +
> +    {
>          .name       = "info",
>          .args_type  = "item:s?",
>          .params     = "[subcommand]",
> diff --git a/hmp.c b/hmp.c
> index 71c28bc..f6df075 100644
> --- a/hmp.c
> +++ b/hmp.c
> @@ -1852,3 +1852,29 @@ void hmp_info_memory_devices(Monitor *mon, const QDict *qdict)
>  
>      qapi_free_MemoryDeviceInfoList(info_list);
>  }
> +
> +void hmp_qom_list(Monitor *mon, const QDict *qdict)
> +{
> +    const char *path = qdict_get_try_str(qdict, "path");
> +    ObjectPropertyInfoList *list;
> +    Error *err = NULL;
> +
> +    if (path == NULL) {
> +        monitor_printf(mon, "/\n");
> +        return;
> +    }
> +
> +    list = qmp_qom_list(path, &err);
> +    if (err == NULL) {
> +        ObjectPropertyInfoList *start = list;
> +        while (list != NULL) {
> +            ObjectPropertyInfo *value = list->value;
> +
> +            monitor_printf(mon, "%s (%s)\n",
> +                           value->name, value->type);
> +            list = list->next;
> +        }
> +        qapi_free_ObjectPropertyInfoList(start);
> +    }
> +    hmp_handle_error(mon, &err);
> +}
> diff --git a/hmp.h b/hmp.h
> index 81177b2..18c0f52 100644
> --- a/hmp.h
> +++ b/hmp.h
> @@ -95,6 +95,7 @@ void hmp_object_add(Monitor *mon, const QDict *qdict);
>  void hmp_object_del(Monitor *mon, const QDict *qdict);
>  void hmp_info_memdev(Monitor *mon, const QDict *qdict);
>  void hmp_info_memory_devices(Monitor *mon, const QDict *qdict);
> +void hmp_qom_list(Monitor *mon, const QDict *qdict);
>  void object_add_completion(ReadLineState *rs, int nb_args, const char *str);
>  void object_del_completion(ReadLineState *rs, int nb_args, const char *str);
>  void device_add_completion(ReadLineState *rs, int nb_args, const char *str);
>