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[Qemu-devel] [PULL 09/43] qapi: add event helper functions
From: |
Luiz Capitulino |
Subject: |
[Qemu-devel] [PULL 09/43] qapi: add event helper functions |
Date: |
Mon, 23 Jun 2014 12:36:09 -0400 |
From: Wenchao Xia <address@hidden>
This file holds some functions that do not need to be generated.
Signed-off-by: Wenchao Xia <address@hidden>
Reviewed-by: Eric Blake <address@hidden>
Signed-off-by: Paolo Bonzini <address@hidden>
Signed-off-by: Luiz Capitulino <address@hidden>
---
include/qapi/qmp-event.h | 27 ++++++++++++++++++
qapi/Makefile.objs | 1 +
qapi/qmp-event.c | 74 ++++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 102 insertions(+)
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..8a8ffb5
--- /dev/null
+++ b/include/qapi/qmp-event.h
@@ -0,0 +1,27 @@
+/*
+ * QMP Event related
+ *
+ * Copyright (c) 2014 Wenchao Xia
+ *
+ * Authors:
+ * Wenchao Xia <address@hidden>
+ *
+ * This work is licensed under the terms of the GNU LGPL, version 2.1 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"
+
+typedef void (*QMPEventFuncEmit)(unsigned event, QDict *dict, Error **errp);
+
+void qmp_event_set_func_emit(QMPEventFuncEmit emit);
+
+QMPEventFuncEmit qmp_event_get_func_emit(void);
+
+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..0d1ce0b
--- /dev/null
+++ b/qapi/qmp-event.c
@@ -0,0 +1,74 @@
+/*
+ * QMP Event related
+ *
+ * Copyright (c) 2014 Wenchao Xia
+ *
+ * Authors:
+ * Wenchao Xia <address@hidden>
+ *
+ * This work is licensed under the terms of the GNU LGPL, version 2.1 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 QMPEventFuncEmit qmp_emit;
+
+void qmp_event_set_func_emit(QMPEventFuncEmit emit)
+{
+ qmp_emit = emit;
+}
+
+QMPEventFuncEmit qmp_event_get_func_emit(void)
+{
+ return qmp_emit;
+}
+
+static void timestamp_put(QDict *qdict)
+{
+ int err;
+ QObject *obj;
+ qemu_timeval tv;
+ int64_t sec, usec;
+
+ err = qemu_gettimeofday(&tv);
+ if (err < 0) {
+ /* Put -1 to indicate failure of getting host time */
+ sec = -1;
+ usec = -1;
+ } else {
+ sec = tv.tv_sec;
+ usec = tv.tv_usec;
+ }
+
+ obj = qobject_from_jsonf("{ 'seconds': %" PRId64 ", "
+ "'microseconds': %" PRId64 " }",
+ sec, 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;
+}
--
1.9.3
- [Qemu-devel] [PULL 38/43] qemu-char: introduce qemu_chr_alloc, (continued)
- [Qemu-devel] [PULL 38/43] qemu-char: introduce qemu_chr_alloc, Luiz Capitulino, 2014/06/23
- [Qemu-devel] [PULL 40/43] qemu-char: move pty_chr_update_read_handler around, Luiz Capitulino, 2014/06/23
- [Qemu-devel] [PULL 05/43] qapi: Suppress unwanted space between type and identifier, Luiz Capitulino, 2014/06/23
- [Qemu-devel] [PULL 41/43] qemu-char: make writes thread-safe, Luiz Capitulino, 2014/06/23
- [Qemu-devel] [PULL 04/43] qapi: add const prefix to 'char *' insider c_type(), Luiz Capitulino, 2014/06/23
- [Qemu-devel] [PULL 10/43] qapi script: add event support, Luiz Capitulino, 2014/06/23
- [Qemu-devel] [PULL 34/43] qapi event: convert BALLOON_CHANGE, Luiz Capitulino, 2014/06/23
- [Qemu-devel] [PULL 25/43] qapi event: convert DEVICE_DELETED, Luiz Capitulino, 2014/06/23
- [Qemu-devel] [PULL 16/43] qapi event: convert POWERDOWN, Luiz Capitulino, 2014/06/23
- [Qemu-devel] [PULL 29/43] qapi event: convert other BLOCK_JOB events, Luiz Capitulino, 2014/06/23
- [Qemu-devel] [PULL 09/43] qapi: add event helper functions,
Luiz Capitulino <=
- [Qemu-devel] [PULL 19/43] qapi event: convert RESUME, Luiz Capitulino, 2014/06/23
- [Qemu-devel] [PULL 42/43] monitor: protect outbuf and mux_out with mutex, Luiz Capitulino, 2014/06/23
- [Qemu-devel] [PULL 21/43] qapi event: convert SUSPEND_DISK, Luiz Capitulino, 2014/06/23
- [Qemu-devel] [PULL 24/43] qapi event: convert WATCHDOG, Luiz Capitulino, 2014/06/23
- [Qemu-devel] [PULL 39/43] qemu-char: do not call chr_write directly, Luiz Capitulino, 2014/06/23
- [Qemu-devel] [PULL 37/43] qapi event: clean up, Luiz Capitulino, 2014/06/23
- [Qemu-devel] [PULL 43/43] monitor: protect event emission, Luiz Capitulino, 2014/06/23
- Re: [Qemu-devel] [PULL 00/43] QMP queue, Luiz Capitulino, 2014/06/23
- Re: [Qemu-devel] [PULL 00/43] QMP queue, Eric Blake, 2014/06/23