[Qemu-devel] [PATCH 04/14] qapi: convert query-name

[Anthony Liguori <aliguori@us.ibm.com>]

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>
---
 Makefile.objs    |    1 +
 hmp.c            |   26 ++++++++++++++++++++++++++
 hmp.h            |   22 ++++++++++++++++++++++
 monitor.c        |   27 +++++----------------------
 qapi-schema.json |   23 +++++++++++++++++++++++
 qmp.c            |   28 ++++++++++++++++++++++++++++
 6 files changed, 105 insertions(+), 22 deletions(-)
 create mode 100644 hmp.c
 create mode 100644 hmp.h
 create mode 100644 qmp.c

diff --git a/Makefile.objs b/Makefile.objs
index c02431f..570dda7 100644
--- a/Makefile.objs
+++ b/Makefile.objs
@@ -397,6 +397,7 @@ 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
diff --git a/hmp.c b/hmp.c
new file mode 100644
index 0000000..47e1ff7
--- /dev/null
+++ b/hmp.c
@@ -0,0 +1,26 @@
+/*
+ * 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);
+}
diff --git a/hmp.h b/hmp.h
new file mode 100644
index 0000000..5fe73f1
--- /dev/null
+++ b/hmp.h
@@ -0,0 +1,22 @@
+/*
+ * 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
diff --git a/monitor.c b/monitor.c
index ef204c0..6a3a3d2 100644
--- a/monitor.c
+++ b/monitor.c
@@ -61,6 +61,8 @@
 #include "trace.h"
 #endif
 #include "ui/qemu-spice.h"
+#include "qmp-commands.h"
+#include "hmp.h"
 
 //#define DEBUG
 //#define DEBUG_COMPLETION
@@ -757,24 +759,6 @@ 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;
@@ -3069,8 +3053,7 @@ 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",
@@ -3266,8 +3249,8 @@ static const mon_cmd_t qmp_query_cmds[] = {
         .args_type  = "",
         .params     = "",
         .help       = "show the current VM name",
-        .user_print = do_info_name_print,
-        .mhandler.info_new = do_info_name,
+        .mhandler.cmd_new = qmp_marshal_input_query_name,
+        .qapi       = true,
     },
     {
         .name       = "uuid",
diff --git a/qapi-schema.json b/qapi-schema.json
index 7fcefdb..654409b 100644
--- a/qapi-schema.json
+++ b/qapi-schema.json
@@ -1,3 +1,26 @@
 # -*- 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' }
+
diff --git a/qmp.c b/qmp.c
new file mode 100644
index 0000000..8aa9c66
--- /dev/null
+++ b/qmp.c
@@ -0,0 +1,28 @@
+/*
+ * 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;
+}
-- 
1.7.4.1