Application Development Kit (Version 4.7)

    1 // -*- Mode: C++; -*-    2 #ifndef TIMESTAMP_H_20141009    3 #define TIMESTAMP_H_20141009    4      7 #include <time.h>    8      9 #if defined _WIN32 && defined VFI_GUIPRT_SHARED_EXPORT   10 #  define DllSpec __declspec(dllexport)   11 #elif defined __GNUC__ && defined VFI_GUIPRT_SHARED_EXPORT   12 #  define DllSpec  __attribute__((visibility ("default")))   13 #else   14 #  define DllSpec   15 #endif   16     17 #if defined(_WIN32) && !defined(_TIMESPEC_DEFINED)   18 #define _TIMESPEC_DEFINED   19 struct timespec {   20         time_t tv_sec;   21         long tv_nsec;   22 };   23 #endif /* _TIMESPEC_DEFINED */   24     25     26 namespace vfihtml {   27 #if 0   28 }   29 #endif   30     32 class DllSpec TimeStamp: public timespec   33 {   34  public:   36    static TimeStamp Clock();   37     39    static TimeStamp Monotonic();   40     42    class Unit_MS {};   43     45    class Unit_S {};   46     48    static Unit_MS MS;   49     51    static Unit_S S;   52     54    TimeStamp(time_t sec, long nsec);   55     57    TimeStamp(char sec)           { tv_sec=sec; tv_nsec=0; }   58     60    TimeStamp(unsigned char sec)  { tv_sec=sec; tv_nsec=0; }   61     63    TimeStamp(short sec)          { tv_sec=sec; tv_nsec=0; }   64     66    TimeStamp(unsigned short sec) { tv_sec=sec; tv_nsec=0; }   67     69    TimeStamp(int sec)            { tv_sec=sec; tv_nsec=0; }   70     72    TimeStamp(unsigned sec)       { tv_sec=sec; tv_nsec=0; }   73     75    TimeStamp(long sec=0)         { tv_sec=sec; tv_nsec=0; }   76     78    TimeStamp(unsigned long sec)  { tv_sec=sec; tv_nsec=0; }   79     81    TimeStamp(float t);   82     84    TimeStamp(double t);   85     87    TimeStamp &operator=(time_t sec) { tv_sec=sec; tv_nsec=0; return *this;}   88     90    TimeStamp &operator=(double t);   91     92    TimeStamp &operator+=(const TimeStamp &o);   93    TimeStamp &operator-=(const TimeStamp &o);   94     96    double get() const { return tv_sec+tv_nsec/1000000000.0; }   97     99    void set(double t) { operator=(t); }  100    102    time_t s() const { return tv_sec; }  103    105    long ms() const { return tv_sec*1000+tv_nsec/1000000; }  106    108    void normalize();  109    111    void clear() { tv_sec=0; tv_nsec=0; }  112 };  113    114    116 DllSpec TimeStamp operator+(const TimeStamp &a, const TimeStamp &b);  117    119 DllSpec TimeStamp operator-(const TimeStamp &a, const TimeStamp &b);  120    122 inline bool operator==(const TimeStamp &a, const TimeStamp &b) { return a.tv_sec==b.tv_sec && a.tv_nsec==b.tv_nsec; }  123    125 inline bool operator!=(const TimeStamp &a, const TimeStamp &b) { return a.tv_sec!=b.tv_sec && a.tv_nsec!=b.tv_nsec; }  126    128 inline bool operator<(const TimeStamp &a, const TimeStamp &b)  { return a.tv_sec<b.tv_sec || (a.tv_sec==b.tv_sec && a.tv_nsec<b.tv_nsec); }  129    131 inline bool operator<=(const TimeStamp &a, const TimeStamp &b) { return a.tv_sec<b.tv_sec || (a.tv_sec==b.tv_sec && a.tv_nsec<=b.tv_nsec); }  132    134 inline bool operator>(const TimeStamp &a, const TimeStamp &b)  { return a.tv_sec>b.tv_sec || (a.tv_sec==b.tv_sec && a.tv_nsec>b.tv_nsec); }  135    137 inline bool operator>=(const TimeStamp &a, const TimeStamp &b) { return a.tv_sec>b.tv_sec || (a.tv_sec==b.tv_sec && a.tv_nsec>=b.tv_nsec); }  138    140 inline TimeStamp operator*(int t, TimeStamp::Unit_MS) {  141    return TimeStamp(t/1000,t%1000*1000000);  142 }  143    145 inline TimeStamp operator*(int t, TimeStamp::Unit_S) {  146    return TimeStamp(t,0);  147 }  148    149    150 } // namespace  151    152 #undef DllSpec  153    154 #endif