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#ifndef CondCommon_TimeConversions_h
#define CondCommon_TimeConversions_h
#include "CondFormats/Common/interface/Time.h"
#include <ctime>
#include <sys/time.h>
#include <string>
// FIXME incompatible with coral
// #define BOOST_DATE_TIME_POSIX_TIME_STD_CONFIG
#include "boost/date_time/posix_time/posix_time.hpp"
namespace cond {
namespace time {
typedef boost::date_time::subsecond_duration<boost::posix_time::time_duration, 1000000000> nanoseconds;
// valid for all representations
const Time_t kLowMask(0xFFFFFFFF);
inline cond::UnpackedTime unpack(cond::Time_t iValue) {
return cond::UnpackedTime(iValue >> 32, kLowMask & iValue);
}
inline cond::Time_t pack(cond::UnpackedTime iValue) {
Time_t t = iValue.first;
return (t << 32) + iValue.second;
}
// for real time
inline unsigned int itsNanoseconds(boost::posix_time::time_duration const& td) {
return boost::posix_time::time_duration::num_fractional_digits() == 6 ? 1000 * td.fractional_seconds()
: td.fractional_seconds();
}
const boost::posix_time::ptime time0 = boost::posix_time::from_time_t(0);
inline boost::posix_time::ptime to_boost(Time_t iValue) {
return time0 + boost::posix_time::seconds(iValue >> 32) + nanoseconds(kLowMask & iValue);
}
inline Time_t from_boost(boost::posix_time::ptime bt) {
boost::posix_time::time_duration td = bt - time0;
Time_t t = td.total_seconds();
return (t << 32) + itsNanoseconds(td);
}
inline ::timeval to_timeval(Time_t iValue) {
::timeval stv;
// stv.tv_sec = static_cast<unsigned int>(iValue >> 32);
//stv.tv_usec = static_cast<unsigned int>(kLowMask & iValue);
stv.tv_sec = iValue >> 32;
stv.tv_usec = (kLowMask & iValue) / 1000;
return stv;
}
inline Time_t from_timeval(::timeval stv) {
Time_t t = stv.tv_sec;
return (t << 32) + 1000 * stv.tv_usec;
}
inline Time_t now() {
::timeval stv;
::gettimeofday(&stv, nullptr);
return from_timeval(stv);
}
} // namespace time
} // namespace cond
#endif
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