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 <singleton.h> 21 #include <string> 22 #include <fstream> 23 #include <mutex> 24 #include <sys/time.h> 25 #include "refbase.h" 26 #include "time.h" 27 #include "time_common.h" 28 #include "json/json.h" 29 30 namespace OHOS { 31 namespace MiscServices { 32 class NtpTrustedTime : public DelayedSingleton<NtpTrustedTime> { 33 DECLARE_DELAYED_SINGLETON(NtpTrustedTime) 34 public: 35 bool ForceRefresh(std::string ntpServer); 36 bool HasCache(); 37 int64_t GetCacheAge(); 38 int64_t CurrentTimeMillis(); 39 int64_t GetCachedNtpTime(); 40 int64_t GetCachedNtpTimeReference(); 41 class TimeResult : std::enable_shared_from_this<TimeResult> { 42 public: 43 TimeResult(); 44 TimeResult(int64_t mTimeMillis, int64_t mElapsedRealtimeMills, int64_t mCertaintyMillis); 45 ~TimeResult(); 46 int64_t GetTimeMillis(); 47 int64_t GetElapsedRealtimeMillis(); 48 int64_t GetCertaintyMillis(); 49 int64_t CurrentTimeMillis(); 50 int64_t GetAgeMillis(); 51 void Clear(); 52 private: 53 int64_t mTimeMillis; 54 int64_t mElapsedRealtimeMillis; 55 int64_t mCertaintyMillis; 56 }; 57 58 private: 59 std::shared_ptr<TimeResult> mTimeResult; 60 }; 61 } // MiscServices 62 } // OHOS 63 64 #endif // SNTP_CLIENT_NTP_TRUSTED_TIME_H 65