1 /* 2 * Copyright (c) 2023 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 TIME_UTILS_H 17 #define TIME_UTILS_H 18 19 #include <chrono> 20 #include <cstdio> 21 #include <stdlib.h> 22 #include <string> 23 #include <time.h> 24 25 #include "update_log.h" 26 27 namespace OHOS { 28 namespace UpdateEngine { 29 class TimeUtils { 30 static constexpr int64_t BOOT_COMPLETE_SIMULATE_DURATION = 60L; // 模拟开机广播：时间判断门限 31 public: GetTimestamp()32 static int64_t GetTimestamp() 33 { 34 time_t currentTime = std::chrono::system_clock::to_time_t(std::chrono::system_clock::now()); 35 return static_cast<int64_t>(currentTime); 36 } 37 GetTimestampByMilliseconds()38 static int64_t GetTimestampByMilliseconds() 39 { 40 return std::chrono::duration_cast<std::chrono::milliseconds> 41 (std::chrono::system_clock::now().time_since_epoch()).count(); 42 } 43 GetPrintTimeStr(int64_t time)44 static std::string GetPrintTimeStr(int64_t time) 45 { 46 time_t printTime = static_cast<time_t>(time); 47 tm *tmpTm = localtime(&printTime); 48 if (tmpTm == NULL) { 49 return ""; 50 } 51 return asctime(tmpTm); 52 } 53 GetRandTime(int32_t minTime,int32_t maxTime)54 static int64_t GetRandTime(int32_t minTime, int32_t maxTime) 55 { 56 // 随机 minTime ~ maxTime时间 57 if (maxTime < minTime) { 58 return minTime; 59 } 60 srand((time(NULL))); 61 return minTime + rand() % (maxTime - minTime); 62 } 63 GetSystemBootDuration()64 static int64_t GetSystemBootDuration() 65 { 66 int64_t bootSeconds = 67 std::chrono::duration_cast<std::chrono::seconds>(std::chrono::steady_clock::now().time_since_epoch()) 68 .count(); 69 int64_t currentTime = GetTimestamp(); 70 int64_t bootTime = currentTime - bootSeconds; 71 ENGINE_LOGI("GetSystemBootDuration bootSeconeds is %{public}s, bootTime is %{public}s", 72 std::to_string(bootSeconds).c_str(), GetPrintTimeStr(bootTime).c_str()); 73 return bootSeconds; 74 } 75 IsInRebootDuration()76 static bool IsInRebootDuration() 77 { 78 return GetSystemBootDuration() <= BOOT_COMPLETE_SIMULATE_DURATION; 79 } 80 }; 81 } // namespace UpdateEngine 82 } // namespace OHOS 83 #endif // TIME_UTILS_H