1 /* 2 * QMP Event related 3 * 4 * Copyright (c) 2014 Wenchao Xia 5 * 6 * Authors: 7 * Wenchao Xia <wenchaoqemu@gmail.com> 8 * 9 * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. 10 * See the COPYING.LIB file in the top-level directory. 11 * 12 */ 13 14 #include "qemu/osdep.h" 15 16 #include "qemu-common.h" 17 #include "qapi/qmp-event.h" 18 #include "qapi/qmp/qstring.h" 19 #include "qapi/qmp/qdict.h" 20 #include "qapi/qmp/qjson.h" 21 22 static void timestamp_put(QDict *qdict) 23 { 24 int err; 25 QDict *ts; 26 qemu_timeval tv; 27 28 err = qemu_gettimeofday(&tv); 29 /* Put -1 to indicate failure of getting host time */ 30 ts = qdict_from_jsonf_nofail("{ 'seconds': %lld, 'microseconds': %lld }", 31 err < 0 ? -1LL : (long long)tv.tv_sec, 32 err < 0 ? -1LL : (long long)tv.tv_usec); 33 qdict_put(qdict, "timestamp", ts); 34 } 35 36 /* 37 * Build a QDict, then fill event name and time stamp, caller should free the 38 * QDict after usage. 39 */ 40 QDict *qmp_event_build_dict(const char *event_name) 41 { 42 QDict *dict = qdict_new(); 43 qdict_put_str(dict, "event", event_name); 44 timestamp_put(dict); 45 return dict; 46 } 47