1 /**
2  * Copyright © 2019 IBM Corporation
3  *
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 #include "bcd_time.hpp"
17 
18 namespace openpower
19 {
20 namespace pels
21 {
22 
23 bool BCDTime::operator==(const BCDTime& right) const
24 {
25     return (yearMSB == right.yearMSB) && (yearLSB == right.yearLSB) &&
26            (month == right.month) && (day == right.day) &&
27            (hour == right.hour) && (minutes == right.minutes) &&
28            (seconds == right.seconds) && (hundredths == right.hundredths);
29 }
30 
31 bool BCDTime::operator!=(const BCDTime& right) const
32 {
33     return !(*this == right);
34 }
35 
36 BCDTime getBCDTime(std::chrono::time_point<std::chrono::system_clock>& time)
37 {
38     BCDTime bcd;
39 
40     using namespace std::chrono;
41     time_t t = system_clock::to_time_t(time);
42     tm* localTime = localtime(&t);
43     assert(localTime != nullptr);
44 
45     int year = 1900 + localTime->tm_year;
46     bcd.yearMSB = toBCD(year / 100);
47     bcd.yearLSB = toBCD(year % 100);
48     bcd.month = toBCD(localTime->tm_mon + 1);
49     bcd.day = toBCD(localTime->tm_mday);
50     bcd.hour = toBCD(localTime->tm_hour);
51     bcd.minutes = toBCD(localTime->tm_min);
52     bcd.seconds = toBCD(localTime->tm_sec);
53 
54     auto ms = duration_cast<milliseconds>(time.time_since_epoch()).count();
55     int hundredths = (ms % 1000) / 10;
56     bcd.hundredths = toBCD(hundredths);
57 
58     return bcd;
59 }
60 
61 BCDTime getBCDTime(uint64_t epochMS)
62 {
63     std::chrono::milliseconds ms{epochMS};
64     std::chrono::time_point<std::chrono::system_clock> time{ms};
65 
66     return getBCDTime(time);
67 }
68 
69 Stream& operator>>(Stream& s, BCDTime& time)
70 {
71     s >> time.yearMSB >> time.yearLSB >> time.month >> time.day >> time.hour;
72     s >> time.minutes >> time.seconds >> time.hundredths;
73     return s;
74 }
75 
76 Stream& operator<<(Stream& s, const BCDTime& time)
77 {
78     s << time.yearMSB << time.yearLSB << time.month << time.day << time.hour;
79     s << time.minutes << time.seconds << time.hundredths;
80     return s;
81 }
82 
83 } // namespace pels
84 } // namespace openpower
85