qapi: convert query-name

A simple example conversion 'info name'.  This also adds the new files for
QMP and HMP.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>

Makefile.objs

@@ -407,6 +407,7 @@ qapi-nested-y += qmp-registry.o qmp-dispatch.o
 qapi-obj-y = $(addprefix qapi/, $(qapi-nested-y))
 
 common-obj-y += qmp-marshal.o qapi-visit.o qapi-types.o $(qapi-obj-y)
+common-obj-y += qmp.o hmp.o
 
 ######################################################################
 # guest agent

hmp.c

+/*
+ * Human Monitor Interface
+ *
+ * Copyright IBM, Corp. 2011
+ *
+ * Authors:
+ *  Anthony Liguori   <aliguori@us.ibm.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2.  See
+ * the COPYING file in the top-level directory.
+ *
+ */
+
+#include "hmp.h"
+#include "qmp-commands.h"
+
+void hmp_info_name(Monitor *mon)
+{
+    NameInfo *info;
+
+    info = qmp_query_name(NULL);
+    if (info->has_name) {
+        monitor_printf(mon, "%s\n", info->name);
+    }
+    qapi_free_NameInfo(info);
+}

hmp.h

+/*
+ * Human Monitor Interface
+ *
+ * Copyright IBM, Corp. 2011
+ *
+ * Authors:
+ *  Anthony Liguori   <aliguori@us.ibm.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2.  See
+ * the COPYING file in the top-level directory.
+ *
+ */
+
+#ifndef HMP_H
+#define HMP_H
+
+#include "qemu-common.h"
+#include "qapi-types.h"
+
+void hmp_info_name(Monitor *mon);
+
+#endif

monitor.c

@@ -64,6 +64,8 @@
 #include "trace/control.h"
 #include "ui/qemu-spice.h"
 #include "memory.h"
+#include "qmp-commands.h"
+#include "hmp.h"
 
 //#define DEBUG
 //#define DEBUG_COMPLETION
@@ -760,24 +762,6 @@ static void do_info_version(Monitor *mon, QObject **ret_data)
         'micro': %d }, 'package': %s }", major, minor, micro, QEMU_PKGVERSION);
 }
 
-static void do_info_name_print(Monitor *mon, const QObject *data)
-{
-    QDict *qdict;
-
-    qdict = qobject_to_qdict(data);
-    if (qdict_size(qdict) == 0) {
-        return;
-    }
-
-    monitor_printf(mon, "%s\n", qdict_get_str(qdict, "name"));
-}
-
-static void do_info_name(Monitor *mon, QObject **ret_data)
-{
-    *ret_data = qemu_name ? qobject_from_jsonf("{'name': %s }", qemu_name) :
-                            qobject_from_jsonf("{}");
-}
-
 static QObject *get_cmd_dict(const char *name)
 {
     const char *p;
@@ -3094,8 +3078,7 @@ static const mon_cmd_t info_cmds[] = {
         .args_type  = "",
         .params     = "",
         .help       = "show the current VM name",
-        .user_print = do_info_name_print,
-        .mhandler.info_new = do_info_name,
+        .mhandler.info = hmp_info_name,
     },
     {
         .name       = "uuid",
@@ -3286,14 +3269,6 @@ static const mon_cmd_t qmp_query_cmds[] = {
         .mhandler.info_new = do_info_spice,
     },
 #endif
-    {
-        .name       = "name",
-        .args_type  = "",
-        .params     = "",
-        .help       = "show the current VM name",
-        .user_print = do_info_name_print,
-        .mhandler.info_new = do_info_name,
-    },
     {
         .name       = "uuid",
         .args_type  = "",

qapi-schema.json

 # -*- Mode: Python -*-
 #
 # QAPI Schema
+
+##
+# @NameInfo:
+#
+# Guest name information.
+#
+# @name: #optional The name of the guest
+#
+# Since 0.14.0
+##
+{ 'type': 'NameInfo', 'data': {'*name': 'str'} }
+
+##
+# @query-name:
+#
+# Return the name information of a guest.
+#
+# Returns: @NameInfo of the guest
+#
+# Since 0.14.0
+##
+{ 'command': 'query-name', 'returns': 'NameInfo' }

qmp-commands.hx

@@ -1780,6 +1780,12 @@ Example:
 
 EQMP
 
+    {
+        .name       = "query-name",
+        .args_type  = "",
+        .mhandler.cmd_new = qmp_marshal_input_query_name,
+    },
+
 SQMP
 query-uuid
 ----------

qmp.c

+/*
+ * QEMU Management Protocol
+ *
+ * Copyright IBM, Corp. 2011
+ *
+ * Authors:
+ *  Anthony Liguori   <aliguori@us.ibm.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2.  See
+ * the COPYING file in the top-level directory.
+ *
+ */
+
+#include "qemu-common.h"
+#include "sysemu.h"
+#include "qmp-commands.h"
+
+NameInfo *qmp_query_name(Error **errp)
+{
+    NameInfo *info = g_malloc0(sizeof(*info));
+
+    if (qemu_name) {
+        info->has_name = true;
+        info->name = g_strdup(qemu_name);
+    }
+
+    return info;
+}