Wenchao Xia | f882126 | 2014-06-18 08:43:27 +0200 | [diff] [blame] | 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 <inttypes.h> |
| 15 | |
| 16 | #include "qemu-common.h" |
| 17 | #include "qapi/qmp-event.h" |
| 18 | #include "qapi/qmp/qstring.h" |
| 19 | #include "qapi/qmp/qjson.h" |
| 20 | |
| 21 | #ifdef _WIN32 |
| 22 | #include "sysemu/os-win32.h" |
| 23 | #endif |
| 24 | |
| 25 | #ifdef CONFIG_POSIX |
| 26 | #include "sysemu/os-posix.h" |
| 27 | #endif |
| 28 | |
| 29 | static QMPEventFuncEmit qmp_emit; |
| 30 | |
| 31 | void qmp_event_set_func_emit(QMPEventFuncEmit emit) |
| 32 | { |
| 33 | qmp_emit = emit; |
| 34 | } |
| 35 | |
| 36 | QMPEventFuncEmit qmp_event_get_func_emit(void) |
| 37 | { |
| 38 | return qmp_emit; |
| 39 | } |
| 40 | |
| 41 | static void timestamp_put(QDict *qdict) |
| 42 | { |
| 43 | int err; |
| 44 | QObject *obj; |
| 45 | qemu_timeval tv; |
| 46 | int64_t sec, usec; |
| 47 | |
| 48 | err = qemu_gettimeofday(&tv); |
| 49 | if (err < 0) { |
| 50 | /* Put -1 to indicate failure of getting host time */ |
| 51 | sec = -1; |
| 52 | usec = -1; |
| 53 | } else { |
| 54 | sec = tv.tv_sec; |
| 55 | usec = tv.tv_usec; |
| 56 | } |
| 57 | |
| 58 | obj = qobject_from_jsonf("{ 'seconds': %" PRId64 ", " |
| 59 | "'microseconds': %" PRId64 " }", |
| 60 | sec, usec); |
| 61 | qdict_put_obj(qdict, "timestamp", obj); |
| 62 | } |
| 63 | |
| 64 | /* |
| 65 | * Build a QDict, then fill event name and time stamp, caller should free the |
| 66 | * QDict after usage. |
| 67 | */ |
| 68 | QDict *qmp_event_build_dict(const char *event_name) |
| 69 | { |
| 70 | QDict *dict = qdict_new(); |
| 71 | qdict_put(dict, "event", qstring_from_str(event_name)); |
| 72 | timestamp_put(dict); |
| 73 | return dict; |
| 74 | } |