Re: [Qemu-devel] [PULL 11/13] monitor: add object-add (QMP) and object_add (HMP) command

[Luiz Capitulino <lcapitulino@redhat.com>]

On Fri, 20 Dec 2013 12:15:53 +1000
Peter Crosthwaite <peter.crosthwaite@xilinx.com> wrote:

> On Thu, Dec 19, 2013 at 3:00 AM, Luiz Capitulino <lcapitulino@redhat.com> wrote:
> > From: Paolo Bonzini <pbonzini@redhat.com>
> >
> > Add two commands that are the monitor counterparts of -object.  The commands
> > have the same Visitor-based implementation, but use different kinds of
> > visitors so that the HMP command has a DWIM string-based syntax, while
> > the QMP variant accepts a stricter JSON-based properties dictionary.
> >
> > Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
> > Reviewed-By: Igor Mammedov <imammedo@redhat.com>
> > Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
> > ---
> >  hmp-commands.hx           | 14 +++++++++++
> >  hmp.c                     | 58 ++++++++++++++++++++++++++++++++++++++++++++
> >  hmp.h                     |  1 +
> >  include/monitor/monitor.h |  3 +++
> >  include/qapi/visitor.h    |  3 +--
> >  include/qemu/typedefs.h   |  2 ++
> >  qapi-schema.json          | 20 +++++++++++++++
> >  qmp-commands.hx           | 27 +++++++++++++++++++++
> >  qmp.c                     | 62 +++++++++++++++++++++++++++++++++++++++++++++++
> >  9 files changed, 188 insertions(+), 2 deletions(-)
> >
> > diff --git a/hmp-commands.hx b/hmp-commands.hx
> > index ebe8e78..2951d1e 100644
> > --- a/hmp-commands.hx
> > +++ b/hmp-commands.hx
> > @@ -1243,6 +1243,20 @@ STEXI
> >  Remove host network device.
> >  ETEXI
> >
> > +    {
> > +        .name       = "object_add",
> > +        .args_type  = "object:O",
> > +        .params     = "[qom-type=]type,id=str[,prop=value][,...]",
> > +        .help       = "create QOM object",
> > +        .mhandler.cmd = hmp_object_add,
> > +    },
> > +
> > +STEXI
> > +@item object_add
> > +@findex object_add
> > +Create QOM object.
> > +ETEXI
> > +
> >  #ifdef CONFIG_SLIRP
> >      {
> >          .name       = "hostfwd_add",
> > diff --git a/hmp.c b/hmp.c
> > index 32ee285..a1669ab 100644
> > --- a/hmp.c
> > +++ b/hmp.c
> > @@ -21,6 +21,7 @@
> >  #include "qmp-commands.h"
> >  #include "qemu/sockets.h"
> >  #include "monitor/monitor.h"
> > +#include "qapi/opts-visitor.h"
> >  #include "ui/console.h"
> >  #include "block/qapi.h"
> >  #include "qemu-io.h"
> > @@ -1354,6 +1355,63 @@ void hmp_netdev_del(Monitor *mon, const QDict *qdict)
> >      hmp_handle_error(mon, &err);
> >  }
> >
> > +void hmp_object_add(Monitor *mon, const QDict *qdict)
> > +{
> > +    Error *err = NULL;
> > +    QemuOpts *opts;
> > +    char *type = NULL;
> > +    char *id = NULL;
> > +    void *dummy = NULL;
> > +    OptsVisitor *ov;
> > +    QDict *pdict;
> > +
> > +    opts = qemu_opts_from_qdict(qemu_find_opts("object"), qdict, &err);
> > +    if (error_is_set(&err)) {
> > +        goto out;
> > +    }
> > +
> > +    ov = opts_visitor_new(opts);
> > +    pdict = qdict_clone_shallow(qdict);
> > +
> > +    visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
> > +    if (error_is_set(&err)) {
> > +        goto out_clean;
> > +    }
> > +
> > +    qdict_del(pdict, "qom-type");
> > +    visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
> > +    if (error_is_set(&err)) {
> > +        goto out_clean;
> > +    }
> > +
> > +    qdict_del(pdict, "id");
> > +    visit_type_str(opts_get_visitor(ov), &id, "id", &err);
> > +    if (error_is_set(&err)) {
> > +        goto out_clean;
> > +    }
> > +
> > +    object_add(type, id, pdict, opts_get_visitor(ov), &err);
> > +    if (error_is_set(&err)) {
> > +        goto out_clean;
> > +    }
> > +    visit_end_struct(opts_get_visitor(ov), &err);
> > +    if (error_is_set(&err)) {
> > +        qmp_object_del(id, NULL);
> 
> This is not bisect-able as you add this function in the next commit:

Thanks for catching it. This was a bad pull request.

Paolo, can resend?