1 /* 2 * Copyright (C) 2022 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 NTP_UPDATE_TIME_H 17 #define NTP_UPDATE_TIME_H 18 19 #include <mutex> 20 21 namespace OHOS { 22 namespace MiscServices { 23 struct AutoTimeInfo { 24 std::string ntpServer; 25 std::string ntpServerSpec; 26 std::string status; 27 int64_t lastUpdateTime; 28 }; 29 enum NtpRefreshCode { 30 NO_NEED_REFRESH, 31 REFRESH_SUCCESS, 32 REFRESH_FAILED 33 }; 34 35 class NtpUpdateTime { 36 public: 37 static NtpUpdateTime &GetInstance(); 38 static bool GetNtpTime(int64_t &time); 39 static bool GetRealTime(int64_t &time); 40 static void SetSystemTime(); 41 static bool IsInUpdateInterval(); 42 void RefreshNetworkTimeByTimer(uint64_t timerId); 43 void UpdateNITZSetTime(); 44 void Stop(); 45 void Init(); 46 bool IsValidNITZTime(); 47 uint64_t GetNITZUpdateTime(); 48 49 private: 50 NtpUpdateTime(); 51 static NtpRefreshCode GetNtpTimeInner(); 52 static bool CheckNeedSetTime(NtpRefreshCode code, int64_t time); 53 static bool GetRealTimeInner(int64_t &time); 54 static void ChangeNtpServerCallback(const char *key, const char *value, void *context); 55 static std::vector<std::string> SplitNtpAddrs(const std::string &ntpStr); 56 void StartTimer(); 57 void RefreshNextTriggerTime(); 58 bool CheckStatus(); 59 void RegisterSystemParameterListener(); 60 static void ChangeAutoTimeCallback(const char *key, const char *value, void *context); 61 62 static AutoTimeInfo autoTimeInfo_; 63 uint64_t timerId_; 64 uint64_t nitzUpdateTimeMilli_; 65 uint64_t nextTriggerTime_; 66 static std::mutex requestMutex_; 67 int64_t lastNITZUpdateTime_; 68 }; 69 } // namespace MiscServices 70 } // namespace OHOS 71 #endif