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