43 lines
1.1 KiB
C++
43 lines
1.1 KiB
C++
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#ifndef __TIMER_HPP
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#define __TIMER_HPP
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#include "common/ParameterSyntaxException.hpp"
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#include <time.h>
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class Timer
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{
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public:
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/// milliseconds since epoch.
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static long long now();
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/// argument and result is milliseconds.
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static long long msDiff(long long compareTime);
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/// Once called, future calls to now() will return this
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/// date until setTime(...) is called again with an empty string.
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static void setTime(const std::string& dateString) throw (ParameterSyntaxException);
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/**
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* Give the value, in struct timespec representation, of the time
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* represented by the given offset (in milliseconds) in the future from
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* the current time as understood by the Timer.
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*
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* @param msOffset the number of milliseconds in the future to give a
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* time for.
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*/
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static struct timespec msOffset2abs(long long msOffset);
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private:
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static clockid_t getClock();
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static bool useRealTime;
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// milliseconds.
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static long long fixedTime;
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};
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#endif // __TIMER_HPP
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