1 2 /* 3 * Copyright (C) 2022 Huawei Device Co., Ltd. 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef SNTP_CLIENT_NTP_TRUSTED_TIME_H 18 #define SNTP_CLIENT_NTP_TRUSTED_TIME_H 19 20 #include <fstream> 21 #include <mutex> 22 #include <string> 23 #include <sys/time.h> 24 25 #include "refbase.h" 26 #include "time.h" 27 #include "time_common.h" 28 29 namespace OHOS { 30 namespace MiscServices { 31 class NtpTrustedTime { 32 public: 33 static NtpTrustedTime &GetInstance(); 34 bool ForceRefresh(const std::string &ntpServer); 35 int64_t GetCacheAge(); 36 int64_t CurrentTimeMillis(); 37 int64_t ElapsedRealtimeMillis(); 38 class TimeResult : std::enable_shared_from_this<TimeResult> { 39 public: 40 TimeResult(); 41 TimeResult(int64_t mTimeMillis, int64_t mElapsedRealtimeMills, int64_t mCertaintyMillis); 42 ~TimeResult(); 43 int64_t GetTimeMillis(); 44 int64_t GetElapsedRealtimeMillis(); 45 int64_t CurrentTimeMillis(); 46 int64_t GetAgeMillis(); 47 void Clear(); 48 49 private: 50 int64_t mTimeMillis; 51 int64_t mElapsedRealtimeMillis; 52 int64_t mCertaintyMillis; 53 }; 54 55 private: 56 std::shared_ptr<TimeResult> mTimeResult {}; 57 }; 58 } // namespace MiscServices 59 } // namespace OHOS 60 61 #endif // SNTP_CLIENT_NTP_TRUSTED_TIME_H