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Re: [Qemu-devel] [PATCH qom-next 2/4] qom: Implement qom-list HMP comman
From: |
Hani Benhabiles |
Subject: |
Re: [Qemu-devel] [PATCH qom-next 2/4] qom: Implement qom-list HMP command |
Date: |
Sun, 11 May 2014 14:45:45 +0100 |
User-agent: |
Mutt/1.5.23 (2014-03-12) |
On Thu, May 08, 2014 at 04:21:15PM +0200, 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 <address@hidden>
> ---
> hmp-commands.hx | 13 +++++++++++++
> hmp.c | 27 +++++++++++++++++++++++++++
> hmp.h | 1 +
> 3 files changed, 41 insertions(+)
>
> diff --git a/hmp-commands.hx b/hmp-commands.hx
> index 8971f1b..a0166af 100644
> --- a/hmp-commands.hx
> +++ b/hmp-commands.hx
> @@ -1678,6 +1678,19 @@ 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
> address@hidden qom-list address@hidden
> +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 ca869ba..1c29c8a 100644
> --- a/hmp.c
> +++ b/hmp.c
> @@ -1666,3 +1666,30 @@ void hmp_object_del(Monitor *mon, const QDict *qdict)
> qmp_object_del(id, &err);
> hmp_handle_error(mon, &err);
> }
> +
> +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) {
This:
> + while (list != NULL) {
> + ObjectPropertyInfoList *next = list->next;
> +
> + monitor_printf(mon, "%s (%s)\n",
> + list->value->name, list->value->type);
> + g_free(list->value->name);
> + g_free(list->value->type);
> + g_free(list->value);
> + g_free(list);
> + list = next;
> + }
could be simplified to:
ObjectPropertyInfoList *start = list;
while (list) {
ObjectPropertyInfo *value = list->value;
monitor_printf(mon, "%s (%s)\n", value->name, value->type);
list = list->next;
}
qapi_free_ObjectPropertyInfoList(start);
Other than that, the patch seems fine to me.
> + }
> + hmp_handle_error(mon, &err);
> +}
> diff --git a/hmp.h b/hmp.h
> index 20ef454..7ab969e 100644
> --- a/hmp.h
> +++ b/hmp.h
> @@ -93,6 +93,7 @@ void hmp_qemu_io(Monitor *mon, const QDict *qdict);
> void hmp_cpu_add(Monitor *mon, const QDict *qdict);
> void hmp_object_add(Monitor *mon, const QDict *qdict);
> void hmp_object_del(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);
- [Qemu-devel] [PATCH qom-next 0/4] qom: HMP commands to replace info qtree, Andreas Färber, 2014/05/08
- [Qemu-devel] [PATCH qom-next 1/4] qom: Implement info qom-composition HMP command, Andreas Färber, 2014/05/08
- [Qemu-devel] [PATCH qom-next 4/4] qom: Implement qom-set HMP command, Andreas Färber, 2014/05/08
- [Qemu-devel] [PATCH qom-next 3/4] qom: Implement qom-get HMP command, Andreas Färber, 2014/05/08
- [Qemu-devel] [PATCH qom-next 2/4] qom: Implement qom-list HMP command, Andreas Färber, 2014/05/08
- Re: [Qemu-devel] [PATCH qom-next 2/4] qom: Implement qom-list HMP command,
Hani Benhabiles <=
- Re: [Qemu-devel] [PATCH qom-next 0/4] qom: HMP commands to replace info qtree, Peter Crosthwaite, 2014/05/17