1 /* 2 * Copyright (c) 2025 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 COMMON_COMPONENTS_BASE_TIME_UTILS_H 17 #define COMMON_COMPONENTS_BASE_TIME_UTILS_H 18 19 #include <cinttypes> 20 21 #include "common_components/base/c_string.h" 22 #include "common_interfaces/base/common.h" 23 24 namespace common { 25 namespace TimeUtil { 26 // returns the monotonic time since epoch starting point in milliseconds 27 uint64_t MilliSeconds(); 28 29 // returns the monotonic time since epoch starting point in nanoseconds 30 PUBLIC_API uint64_t NanoSeconds(); 31 32 // returns the monotonic time since epoch starting point in microseconds 33 uint64_t MicroSeconds() noexcept; 34 35 // sleep for the given count of nanoseconds 36 void SleepForNano(uint64_t ns); 37 38 #ifndef NDEBUG 39 // returns the current date in ISO yyymmdd.hhmmss format 40 CString GetDigitDate(); 41 #endif 42 43 // returns the current date in ISO yyyy-mm-dd hh:mm::ss.ms format 44 PUBLIC_API CString GetTimestamp(); 45 } // namespace TimeUtil 46 } // namespace common 47 48 #endif // COMMON_COMPONENTS_BASE_TIME_UTILS_H 49