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