1 /*
2 * Copyright (c) 2021 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 #include "datetime_ex.h"
17 #include <chrono>
18 #include <cmath>
19 #include "utils_log.h"
20
21 using namespace std::chrono;
22 using namespace std;
23
24 namespace OHOS {
25
GetSecondsSince1970ToNow()26 int64_t GetSecondsSince1970ToNow()
27 {
28 using secondtype = duration<int64_t>;
29 time_point<system_clock, secondtype> totalSeconds = time_point_cast<secondtype>(system_clock::now());
30 return totalSeconds.time_since_epoch().count();
31 }
32
GetSecondsSince1970ToPointTime(struct tm inputTm)33 int64_t GetSecondsSince1970ToPointTime(struct tm inputTm)
34 {
35 time_t inputTime = mktime(&inputTm);
36 if (inputTime == -1) {
37 return -1;
38 }
39 system_clock::time_point pointTime = system_clock::from_time_t(inputTime);
40 using secondtype = duration<int64_t>;
41 time_point<system_clock, secondtype> totalSeconds = time_point_cast<secondtype>(pointTime);
42 return totalSeconds.time_since_epoch().count();
43 }
44
GetSecondsBetween(struct tm inputTm1,struct tm inputTm2)45 int64_t GetSecondsBetween(struct tm inputTm1, struct tm inputTm2)
46 {
47 int64_t second1 = GetSecondsSince1970ToPointTime(inputTm1);
48 int64_t second2 = GetSecondsSince1970ToPointTime(inputTm2);
49 if (second1 == -1 || second2 == -1) {
50 return -1;
51 }
52 return second1 >= second2 ? (second1 - second2) : (second2 - second1);
53 }
54
GetDaysSince1970ToNow()55 int64_t GetDaysSince1970ToNow()
56 {
57 typedef duration<int64_t, std::ratio<SECONDS_PER_DAY>> dayType;
58 time_point<system_clock, dayType> totalDays = time_point_cast<dayType>(system_clock::now());
59 return totalDays.time_since_epoch().count();
60 }
61
GetSystemCurrentTime(struct tm * curTime)62 bool GetSystemCurrentTime(struct tm* curTime)
63 {
64 if (curTime == nullptr) {
65 return false;
66 }
67
68 auto tt = system_clock::to_time_t(system_clock::now());
69 struct tm* timeResult = nullptr;
70 timeResult = localtime_r(&tt, curTime);
71 return (timeResult != nullptr);
72 }
73
GetLocalTimeZone(int & timezone)74 bool GetLocalTimeZone(int& timezone)
75 {
76 auto t1 = system_clock::to_time_t(system_clock::now());
77 auto t2 = t1;
78 struct tm curTime1 = {0};
79 struct tm curTime2 = {0};
80 struct tm* localTime = localtime_r(&t1, &curTime1);
81 struct tm* gmTime = gmtime_r(&t2, &curTime2);
82 if ((localTime == nullptr) || (gmTime == nullptr)) {
83 return false;
84 }
85
86 t1 = mktime(&curTime1);
87 t2 = mktime(&curTime2);
88 if ((t1 == -1) || (t2 == -1)) {
89 UTILS_LOGD("mktime current time failed.");
90 return false;
91 }
92
93 timezone = (static_cast<int>(t1 - t2)) / SECONDS_PER_HOUR;
94 return true;
95 }
96
GetTickCount()97 int64_t GetTickCount()
98 {
99 return GetMicroTickCount() / SEC_TO_MILLISEC;
100 }
101
GetMicroTickCount()102 int64_t GetMicroTickCount()
103 {
104 struct timespec ts;
105 clock_gettime(CLOCK_MONOTONIC, &ts);
106 return (ts.tv_sec * SEC_TO_MICROSEC + ts.tv_nsec / MICROSEC_TO_NANOSEC);
107 }
108
109 } // OHOS
110
111