1 /*
2 * Copyright (c) 2024 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "time_common.h"
17
18
19 namespace OHOS {
20 namespace MiscServices {
21 namespace {
22 static constexpr int MILLI_TO_SEC = 1000LL;
23 static constexpr int NANO_TO_SEC = 1000000000LL;
24 constexpr int32_t NANO_TO_MILLI = NANO_TO_SEC / MILLI_TO_SEC;
25 }
26
GetWallTimeMs(int64_t & time)27 int32_t TimeUtils::GetWallTimeMs(int64_t &time)
28 {
29 struct timespec tv {};
30 if (!GetTimeByClockId(CLOCK_REALTIME, tv)) {
31 TIME_HILOGE(TIME_MODULE_CLIENT, "get rt failed");
32 return E_TIME_SA_DIED;
33 }
34 time = tv.tv_sec * MILLI_TO_SEC + tv.tv_nsec / NANO_TO_MILLI;
35 return E_TIME_OK;
36 }
37
GetBootTimeNs(int64_t & time)38 int32_t TimeUtils::GetBootTimeNs(int64_t &time)
39 {
40 struct timespec tv {};
41 if (!GetTimeByClockId(CLOCK_BOOTTIME, tv)) {
42 TIME_HILOGE(TIME_MODULE_CLIENT, "get bt failed");
43 return E_TIME_SA_DIED;
44 }
45 time = tv.tv_sec * NANO_TO_SEC + tv.tv_nsec;
46 return E_TIME_OK;
47 }
48
GetBootTimeMs(int64_t & time)49 int32_t TimeUtils::GetBootTimeMs(int64_t &time)
50 {
51 struct timespec tv {};
52 if (!GetTimeByClockId(CLOCK_BOOTTIME, tv)) {
53 TIME_HILOGE(TIME_MODULE_CLIENT, "get bt failed");
54 return E_TIME_SA_DIED;
55 }
56 time = tv.tv_sec * MILLI_TO_SEC + tv.tv_nsec / NANO_TO_MILLI;
57 return E_TIME_OK;
58 }
59
GetTimeByClockId(clockid_t clockId,struct timespec & tv)60 bool TimeUtils::GetTimeByClockId(clockid_t clockId, struct timespec &tv)
61 {
62 if (clock_gettime(clockId, &tv) < 0) {
63 TIME_HILOGE(TIME_MODULE_CLIENT, "Failed clock_gettime, errno: %{public}s", strerror(errno));
64 return false;
65 }
66 return true;
67 }
68
69 }
70 }