File indexing completed on 2023-03-17 11:15:07
0001
0002 #ifndef TM_HH
0003 #define TM_HH
0004
0005 #include <stdexcept>
0006 #include <string>
0007 #include <iostream>
0008 #include <ctime>
0009 #include <cstdint>
0010 #include <climits>
0011
0012
0013 class Tm {
0014 static const uint64_t NEG_INF_MICROS = 0;
0015
0016 static const uint64_t PLUS_INF_MICROS = (uint64_t)INT_MAX * 1000000;
0017
0018 public:
0019
0020 Tm();
0021
0022
0023 Tm(struct tm *initTm);
0024
0025 Tm(uint64_t micros);
0026
0027
0028 virtual ~Tm();
0029
0030
0031
0032
0033 struct tm c_tm() const;
0034
0035
0036
0037
0038 int isNull() const;
0039
0040
0041
0042
0043 void setNull();
0044
0045 static Tm plusInfinity() { return Tm(PLUS_INF_MICROS); };
0046
0047 static Tm negInfinity() { return Tm(NEG_INF_MICROS); };
0048
0049
0050
0051
0052 std::string str() const;
0053
0054
0055
0056
0057 uint64_t unixTime() const;
0058 uint64_t epoch() const { return unixTime(); };
0059 uint64_t microsTime() const;
0060
0061
0062
0063
0064 uint64_t cmsNanoSeconds() const;
0065
0066
0067
0068
0069 void setToCurrentLocalTime();
0070 void setToCurrentGMTime();
0071
0072
0073
0074
0075 void setToLocalTime(time_t t);
0076 void setToGMTime(time_t t);
0077
0078
0079
0080
0081 void setToMicrosTime(uint64_t micros);
0082 void setToCmsNanoTime(uint64_t nanos);
0083
0084
0085
0086
0087 void setToString(const std::string s) noexcept(false);
0088
0089 void dumpTm();
0090
0091 inline bool operator<(const Tm &t) const { return microsTime() < t.microsTime(); }
0092
0093 inline bool operator<=(const Tm &t) const { return microsTime() <= t.microsTime(); }
0094
0095 inline bool operator==(const Tm &t) const {
0096 return (m_tm.tm_hour == t.m_tm.tm_hour && m_tm.tm_isdst == t.m_tm.tm_isdst && m_tm.tm_mday == t.m_tm.tm_mday &&
0097 m_tm.tm_min == t.m_tm.tm_min && m_tm.tm_mon == t.m_tm.tm_mon && m_tm.tm_sec == t.m_tm.tm_sec &&
0098 m_tm.tm_wday == t.m_tm.tm_wday && m_tm.tm_yday == t.m_tm.tm_yday && m_tm.tm_year == t.m_tm.tm_year);
0099 }
0100
0101 inline bool operator!=(const Tm &t) const { return !(t == *this); }
0102
0103 Tm &operator-=(int seconds) {
0104 setToMicrosTime(microsTime() - seconds * 1e6);
0105 return *this;
0106 }
0107
0108 Tm &operator+=(int seconds) {
0109 setToMicrosTime(microsTime() + seconds * 1e6);
0110 return *this;
0111 }
0112
0113 const Tm operator+(int seconds) {
0114 Tm ret = *this;
0115 ret += seconds;
0116 return ret;
0117 }
0118
0119 friend std::ostream &operator<<(std::ostream &out, const Tm &t);
0120
0121 private:
0122 struct tm m_tm;
0123 };
0124
0125 #endif