qemu-e2k/qapi/qmp-event.c

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/*
* QMP Event related
*
* Copyright (c) 2014 Wenchao Xia
*
* Authors:
* Wenchao Xia <wenchaoqemu@gmail.com>
*
* 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"
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;
}