X-Git-Url: https://git.dogcows.com/gitweb?p=chaz%2Fyoink;a=blobdiff_plain;f=src%2FMoof%2FTimer.hh;h=6c1af5615a6426913eac86788a46b9e02116bbd4;hp=340f79fa15b53b8d762ae730687eaca147315817;hb=33842c860fe18ca8cf087905992885687434320c;hpb=6dd7ae54e742339cc49e640d1076a310a0f4eedd diff --git a/src/Moof/Timer.hh b/src/Moof/Timer.hh index 340f79f..6c1af56 100644 --- a/src/Moof/Timer.hh +++ b/src/Moof/Timer.hh @@ -34,30 +34,96 @@ * Functions for measuring time in a friendly unit. */ +#include + +#include +#include + #include namespace Mf { -/** - * Get the number of seconds since a fixed, arbitrary point in the past. - * @return Seconds. - */ +struct Timer +{ + enum Mode + { + INVALID = -1, + NORMAL = 0, + ABSOLUTEE = 1, // the ABSOLUTE keyword isn't available on win32... + REPEAT = 2 + }; -Scalar getTicks(); + typedef boost::function Function; -/** - * Put the thread to sleep for a certain period of time. If absolute is true, - * then it will sleep until seconds after the fixed time in the past. If - * absolute is false, it will sleep for seconds starting now. Unlike system - * sleep functions, this one automatically resumes sleep if sleep was - * interrupted by a signal. Therefore, calling this function is guaranteed to - * sleep for the requested amount of time. - */ + Timer() : + mode_(INVALID) {} + + Timer(const Function& function, Scalar seconds, Mode mode = NORMAL) + { + init(function, seconds, mode); + } + + ~Timer() + { + invalidate(); + } + + void init(const Function& function, Scalar seconds, Mode mode = NORMAL); + + bool isValid() const; + void invalidate(); + + void fire(); + + Scalar getSecondsRemaining() const; + bool isExpired() const; + bool isRepeating() const; + + + /** + * Get the number of seconds since a fixed, arbitrary point in the past. + * @return Seconds. + */ + + static Scalar getTicks(); + + + /** + * Put the thread to sleep for a certain period of time. If absolute is true, + * then it will sleep until seconds after the fixed time in the past. If + * absolute is false, it will sleep for seconds starting now. Unlike system + * sleep functions, this one automatically resumes sleep if sleep was + * interrupted by a signal. Therefore, calling this function is guaranteed to + * sleep for the requested amount of time (and maybe longer). + */ + + static void sleep(Scalar seconds, bool absolute = false); + + + static Scalar getNextFire() + { + return nextFire_; + } + + static void fireIfExpired(Scalar t); + +private: + + static unsigned getNewID(); + static Scalar findNextFire(); + + Function function_; + Mode mode_; + Scalar absolute_; + Scalar interval_; + unsigned id_; -void sleep(Scalar seconds, bool absolute = false); + static Scalar nextFire_; + static std::map timers_; +}; } // namespace Mf