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 #ifndef OHOS_SYSTEM_DATE_TIME_H
17 #define OHOS_SYSTEM_DATE_TIME_H
18 
19 #include <cstdint>
20 #include <string>
21 
22 namespace OHOS {
23 namespace CJSystemapi {
24 namespace SystemDateTime {
25 
26 constexpr int32_t STARTUP = 0;
27 constexpr int32_t ACTIVE = 1;
28 constexpr int64_t SECONDS_TO_NANO = 1000000000;
29 constexpr int64_t SECONDS_TO_MILLI = 1000;
30 constexpr int64_t NANO_TO_MILLI = SECONDS_TO_NANO / SECONDS_TO_MILLI;
31 class SystemDateTimeImpl {
32 public:
33     static int SetTime(int64_t time);
34     static std::tuple<int32_t, int64_t> getCurrentTime(bool isNano);
35     static std::tuple<int32_t, int64_t> getRealActiveTime(bool isNano);
36     static std::tuple<int32_t, int64_t> getRealTime(bool isNano);
37     static std::tuple<int32_t, int64_t> getTime(bool isNano);
38     static std::tuple<int32_t, int64_t> getUpTime(int32_t timeType, bool isNano);
39     static int SetTimeZone(char* timezone);
40     static std::tuple<int32_t, char*> getTimezone();
41 private:
42     static int32_t GetDeviceTime(clockid_t clockId, bool isNano, int64_t &time);
43 };
44 
45 char* MallocCString(const std::string& origin);
46 } // SystemDateTime
47 } // CJSystemapi
48 } // OHOS
49 
50 #endif // OHOS_SYSTEM_DATE_TIME_H