C:/Active/libraries/cxutils/2.0/include/cxutils/time.h
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00001 00002 00003 00004 00005 00006 00007 00008 00009 00010 00011 00012 00013 00014 00015 00016 00017 00018 00019 00020 00021 00022 00023 00024 00025 00026 00027 00028 00029 00030 00031 00032 00033 00034 00035 00036 00037 00038 00039 00040 #ifndef __CXUTILS_TIME_H 00041 #define __CXUTILS_TIME_H 00042 00043 #include "cxutils/cxbase.h" 00044 #include <string> 00045 #include <cmath> 00046 #include <vector> 00047 00048 namespace CxUtils 00049 { 00050 class IP4Address; 00051 class Socket; 00052 class Mutex; 00053 00060 class CX_UTILS_DLL Time 00061 { 00062 friend class Synchronizer; 00063 public: 00064 typedef unsigned long long int Stamp; 00065 typedef std::vector<Time> List; 00066 Time(const bool setCurrentTime = false); 00067 Time(const Time& time); 00068 Time(const double seconds) 00069 { 00070 *this = seconds; 00071 } 00072 virtual ~Time(); 00073 void SetCurrentTime(); 00074 void SetLocalTime(); 00075 inline void Clear() 00076 { 00077 mDay = mHour = mMinute = mSecond = mMilliseconds = 0; 00078 } 00079 Stamp ToMs() const; 00080 double ToSeconds() const; 00081 static double DifferenceInSeconds(const Time& a, const Time& b) { return a - b; } 00082 static double DifferenceInMs(const Time& a, const Time& b) { return DifferenceInSeconds(a, b)*1000.0; } 00083 static Time GetUtcTime() 00084 { 00085 Time t; 00086 t.SetCurrentTime(); 00087 return t; 00088 } 00089 static Time GetLocalTime() 00090 { 00091 Time t; 00092 t.SetLocalTime(); 00093 return t; 00094 } 00095 static Stamp GetUtcTimeMs(); 00096 static Stamp GetLocalTimeMs(); 00097 std::string ToString() const; 00098 Time& FromString(const std::string& str); 00099 Time& operator = (const Time& time); 00100 // Converts a time in seconds to D:H:M:S:MS format. 00101 Time& operator=(const double& seconds) 00102 { 00103 mDay = mHour = mMinute = mSecond = mMilliseconds = 0; 00104 mMilliseconds = (unsigned int)((seconds - ((unsigned int)seconds))*1000); 00105 mSecond = (unsigned int)(fmod(seconds, 60.0)); 00106 00107 mMinute = (unsigned int)(seconds/60.0); 00108 mHour = mMinute/60; 00109 mMinute -= mHour*60; 00110 00111 mDay = mHour/24; 00112 mHour -= mDay*24; 00113 00114 return *this; 00115 } 00116 static Time Add(const Time& t1, const Time& t2); 00117 static Time Subtract(const Time& t1, const Time& t2); 00118 inline Time Add(const Time& time) const { return Add(*this, time); } 00119 inline Time Subtract(const Time& time) const { return Subtract(*this, time); } 00120 inline bool operator==(const Time& time) const 00121 { 00122 if(mDay == time.mDay && 00123 mHour == time.mHour && 00124 mMinute == time.mMinute && 00125 mSecond == time.mSecond && 00126 mMilliseconds == time.mMilliseconds) 00127 { 00128 return true; 00129 } 00130 return false; 00131 } 00132 inline bool operator==(const double seconds) const 00133 { 00134 return fabs(ToSeconds() - seconds) < 0.001; 00135 } 00136 inline bool operator==(const Stamp milliseconds) const 00137 { 00138 return ToMs() == milliseconds; 00139 } 00140 inline bool operator!=(const Time& time) const 00141 { 00142 if(mDay != time.mDay || 00143 mHour != time.mHour || 00144 mMinute != time.mMinute || 00145 mSecond != time.mSecond || 00146 mMilliseconds != time.mMilliseconds) 00147 { 00148 return true; 00149 } 00150 return false; 00151 } 00152 inline bool operator!=(const double seconds) const 00153 { 00154 return fabs(ToSeconds() - seconds) > 0.001; 00155 } 00156 inline bool operator!=(const Stamp milliseconds) const 00157 { 00158 return ToMs() != milliseconds; 00159 } 00160 inline bool operator <(const Time& time) const { return ToMs() < time.ToMs(); } 00161 inline bool operator <=(const Time& time) const { return ToMs() <= time.ToMs(); } 00162 inline bool operator >(const Time& time) const { return ToMs() > time.ToMs(); } 00163 inline bool operator >=(const Time& time) const { return ToMs() >= time.ToMs(); } 00167 inline double operator-(const Time& time) const { return ToSeconds() - time.ToSeconds(); } 00168 static bool HaveExternalTime() { return mExternalTimeFlag; } 00169 static Time GetExternalTime(); 00170 volatile unsigned int mDay; 00171 volatile unsigned int mHour; 00172 volatile unsigned int mMinute; 00173 volatile unsigned int mSecond; 00174 volatile unsigned int mMilliseconds; 00175 00176 00177 00178 00179 00180 00181 00182 00183 00184 00185 00186 00187 00188 00189 00190 00191 class CX_UTILS_DLL Synchronizer 00192 { 00193 public: 00194 Synchronizer(); 00195 virtual ~Synchronizer(); 00196 bool Start(const bool server, 00197 const unsigned short port, 00198 const IP4Address& multicastGroup/* = "225.0.0.0"*/, 00199 const unsigned int udelay = 1); 00200 void Stop(); 00201 protected: 00202 static void ServerThread(void* args); 00203 void* mpThreadObject; 00204 Socket* mpSocket; 00205 unsigned int mDelayUs; 00206 }; 00207 private: 00208 static volatile bool mExternalTimeFlag; 00209 static Time mExternalTime; 00210 static Mutex mExternalTimeMutex; 00211 }; 00212 00223 CX_UTILS_DLL void SleepMs(const unsigned int ms); 00224 00230 CX_UTILS_DLL unsigned long long int GetTimeMs(); 00231 00237 CX_UTILS_DLL double GetTimeSeconds(); 00238 00250 CX_UTILS_DLL void GetSystemTime(unsigned int& day, 00251 unsigned int& hour, 00252 unsigned int& minute, 00253 unsigned int& second, 00254 unsigned int& msecond); 00255 00267 CX_UTILS_DLL void GetSystemTime(unsigned short& day, 00268 unsigned short& hour, 00269 unsigned short& minute, 00270 unsigned short& second, 00271 unsigned short& msecond); 00272 00287 CX_UTILS_DLL bool SetSystemTime(unsigned int year, 00288 unsigned int month, 00289 unsigned int day, 00290 unsigned int hour, 00291 unsigned int minute, 00292 unsigned int second, 00293 unsigned int msecond); 00294 00295 } 00296 00297 00298 #endif 00299 /* End of File */
