1 /**
2  * Copyright (c) 2021-2024 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 // This is a local header
16 // NOLINTNEXTLINE(modernize-deprecated-headers, hicpp-deprecated-headers)
17 #include "time.h"
18 #include <chrono>
19 
20 namespace ark::time {
21 
22 template <class T>
GetCurrentTime(bool needSystem)23 static uint64_t GetCurrentTime(bool needSystem)
24 {
25     if (needSystem) {
26         return std::chrono::duration_cast<T>(std::chrono::system_clock::now().time_since_epoch()).count();
27     }
28     return std::chrono::duration_cast<T>(std::chrono::high_resolution_clock::now().time_since_epoch()).count();
29 }
30 
31 /// Return current time in milliseconds
GetCurrentTimeInMillis(bool needSystem)32 uint64_t GetCurrentTimeInMillis(bool needSystem)
33 {
34     return GetCurrentTime<std::chrono::milliseconds>(needSystem);
35 }
36 
37 /// Return current time in microseconds
GetCurrentTimeInMicros(bool needSystem)38 uint64_t GetCurrentTimeInMicros(bool needSystem)
39 {
40     return GetCurrentTime<std::chrono::microseconds>(needSystem);
41 }
42 
43 /// Return current time in nanoseconds
GetCurrentTimeInNanos(bool needSystem)44 uint64_t GetCurrentTimeInNanos(bool needSystem)
45 {
46     return GetCurrentTime<std::chrono::nanoseconds>(needSystem);
47 }
48 
49 }  // namespace ark::time
50