[Qemu-devel] [RFC PATCH V2 2/5] qapi: add event helper functions

[Wenchao Xia <xiawenc@linux.vnet.ibm.com>]

This file hold some functions that do not need to be generated.

Signed-off-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com>
---
 include/qapi/qmp-event.h |   22 ++++++++++++++++++
 qapi/Makefile.objs       |    1 +
 qapi/qmp-event.c         |   56 ++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 79 insertions(+), 0 deletions(-)
 create mode 100644 include/qapi/qmp-event.h
 create mode 100644 qapi/qmp-event.c

diff --git a/include/qapi/qmp-event.h b/include/qapi/qmp-event.h
new file mode 100644
index 0000000..2baf093
--- /dev/null
+++ b/include/qapi/qmp-event.h
@@ -0,0 +1,22 @@
+/*
+ * QMP Event related
+ *
+ * Copyright IBM, Corp. 2014
+ *
+ * Authors:
+ *  Wenchao Xia   <xiawenc@linux.vnet.ibm.com>
+ *
+ * This work is licensed under the terms of the GNU GPLv2+ or later.
+ * See the COPYING.LIB file in the top-level directory.
+ *
+ */
+
+#ifndef QMP_EVENT_H
+#define QMP_EVENT_H
+
+#include "qapi/error.h"
+#include "qapi/qmp/qdict.h"
+
+QDict *qmp_event_build_dict(const char *event_name);
+
+#endif
diff --git a/qapi/Makefile.objs b/qapi/Makefile.objs
index 1f9c973..d14b769 100644
--- a/qapi/Makefile.objs
+++ b/qapi/Makefile.objs
@@ -3,3 +3,4 @@ util-obj-y += qmp-output-visitor.o qmp-registry.o qmp-dispatch.o
 util-obj-y += string-input-visitor.o string-output-visitor.o
 
 util-obj-y += opts-visitor.o
+util-obj-y += qmp-event.o
diff --git a/qapi/qmp-event.c b/qapi/qmp-event.c
new file mode 100644
index 0000000..dc81ec2
--- /dev/null
+++ b/qapi/qmp-event.c
@@ -0,0 +1,56 @@
+/*
+ * QMP Event related
+ *
+ * Copyright IBM, Corp. 2014
+ *
+ * Authors:
+ *  Wenchao Xia   <xiawenc@linux.vnet.ibm.com>
+ *
+ * This work is licensed under the terms of the GNU GPLv2+ or later.
+ * See the COPYING.LIB file in the top-level directory.
+ *
+ */
+
+#include <inttypes.h>
+
+#include "qemu-common.h"
+#include "qapi/qmp-event.h"
+#include "qapi/qmp/qstring.h"
+#include "qapi/qmp/qjson.h"
+
+#ifdef _WIN32
+#include "sysemu/os-win32.h"
+#endif
+
+#ifdef CONFIG_POSIX
+#include "sysemu/os-posix.h"
+#endif
+
+static void timestamp_put(QDict *qdict)
+{
+    int err;
+    QObject *obj;
+    qemu_timeval tv;
+
+    err = qemu_gettimeofday(&tv);
+    if (err < 0) {
+        return;
+    }
+
+    obj = qobject_from_jsonf("{ 'seconds': %" PRId64 ", "
+                                "'microseconds': %" PRId64 " }",
+                                (int64_t) tv.tv_sec, (int64_t) tv.tv_usec);
+    qdict_put_obj(qdict, "timestamp", obj);
+}
+
+/*
+ * Build a QDict, then fill event name and time stamp, caller should free the
+ * QDict after usage.
+ */
+QDict *qmp_event_build_dict(const char *event_name)
+{
+    QDict *dict = qdict_new();
+    qdict_put(dict, "event", qstring_from_str(event_name));
+    timestamp_put(dict);
+    return dict;
+}
-- 
1.7.1