Tm Class Reference

#include <Tm.h>

Public Member Functions
struct tm	c_tm () const
uint64_t	cmsNanoSeconds () const
void	dumpTm ()
uint64_t	epoch () const
int	isNull () const
uint64_t	microsTime () const
bool	operator!= (const Tm &t) const
const Tm	operator+ (int seconds)
Tm &	operator+= (int seconds)
Tm &	operator-= (int seconds)
bool	operator< (const Tm &t) const
bool	operator<= (const Tm &t) const
bool	operator== (const Tm &t) const
void	setNull ()
void	setToCmsNanoTime (uint64_t nanos)
void	setToCurrentGMTime ()
void	setToCurrentLocalTime ()
void	setToGMTime (time_t t)
void	setToLocalTime (time_t t)
void	setToMicrosTime (uint64_t micros)
void	setToString (const std::string s) throw (std::runtime_error)
std::string	str () const
	Tm ()
	Tm (struct tm *initTm)
	Tm (uint64_t micros)
uint64_t	unixTime () const
virtual	~Tm ()

Static Public Member Functions
static Tm	negInfinity ()
static Tm	plusInfinity ()

Private Attributes
struct tm	m_tm

Static Private Attributes
static const uint64_t	NEG_INF_MICROS = 0
static const uint64_t	PLUS_INF_MICROS = (uint64_t)INT_MAX * 1000000

Friends
std::ostream &	operator<< (std::ostream &out, const Tm &t)

Detailed Description

Definition at line 13 of file Tm.h.

Constructor & Destructor Documentation

Tm::Tm

(

)

Definition at line 24 of file Tm.cc.

Referenced by negInfinity(), and plusInfinity().

{
  this->setNull();
}

Tm::Tm

(

struct tm *

initTm

)

Definition at line 32 of file Tm.cc.

{
  m_tm = *initTm;
}

Tm::Tm

(

uint64_t

micros

)

Definition at line 37 of file Tm.cc.

{
  this->setNull();
  if (micros > PLUS_INF_MICROS) {
    //micros = PLUS_INF_MICROS;
    this->setToCmsNanoTime(micros);
  } else {
    this->setToMicrosTime(micros);
  }
}

Tm::~Tm ( )

virtual

Definition at line 50 of file Tm.cc.

{
}

Member Function Documentation

struct tm Tm::c_tm

(

)

const

Definition at line 56 of file Tm.cc.

Referenced by str(), and DateHandler::tmToDate().

{
  return m_tm;
}

uint64_t Tm::cmsNanoSeconds

(

)

const

Definition at line 116 of file Tm.cc.

Referenced by popcon::EcalLaser_weekly_Handler::getNewObjects(), and popcon::EcalLaserHandler::getNewObjects().

{
  return microsTime()/1000000 << 32;
}

void Tm::dumpTm

(

)

Definition at line 244 of file Tm.cc.

References gather_cfg::cout.

{
  cout << "=== dumpTm() ===" << endl;
  cout << "tm_year  " << m_tm.tm_year << endl;
  cout << "tm_mon   " << m_tm.tm_mon << endl;
  cout << "tm_mday  " << m_tm.tm_mday << endl;
  cout << "tm_hour  " << m_tm.tm_hour << endl;
  cout << "tm_min   " << m_tm.tm_min << endl;
  cout << "tm_sec   " << m_tm.tm_sec << endl;
  cout << "tm_yday  " << m_tm.tm_yday << endl;
  cout << "tm_wday  " << m_tm.tm_wday << endl;
  cout << "tm_isdst " << m_tm.tm_isdst << endl;
  cout << "================" << endl;
}

uint64_t Tm::epoch ( ) const

inline

Definition at line 66 of file Tm.h.

References unixTime().

{ return unixTime(); };

int Tm::isNull

(

)

const

Definition at line 63 of file Tm.cc.

Referenced by DateHandler::tmToDate().

{
  if (m_tm.tm_year == 0
      && m_tm.tm_mon == 0
      && m_tm.tm_mday == 0 ) {
    return 1;
  } else { return 0; }
}

uint64_t Tm::microsTime

(

)

const

Definition at line 126 of file Tm.cc.

References query::result, alignCSCRings::s, and x.

Referenced by popcon::EcalLaserHandler::getNewObjects(), DataReducer< T >::getReducedDataList(), RunDCSMagnetDat::nowMicroseconds(), RunDCSLVDat::nowMicroseconds(), RunDCSHVDat::nowMicroseconds(), operator+=(), operator-=(), DataReducer< T >::MyData< U >::operator<(), operator<(), operator<=(), RunDCSLVDat::setStatusForBarrel(), RunDCSHVDat::setStatusForBarrel(), RunDCSHVDat::setStatusForEndcaps(), and RunDCSLVDat::setStatusForEndcaps().

{
  uint64_t result = 0;
  /*  
  result += (uint64_t)ceil((m_tm.tm_year - 70 ) * 365.25) * 24 * 3600;
  result += (m_tm.tm_yday) * 24 * 3600;
  result += m_tm.tm_hour * 3600;
  result += m_tm.tm_min * 60;
  result += m_tm.tm_sec;
  return (uint64_t) (result * 1000000);
  */

  struct tm time_struct;
  time_struct.tm_year=1970-1900;
  time_struct.tm_mon=0;
  time_struct.tm_mday=1;
  time_struct.tm_sec=0;
  time_struct.tm_min=0;
  time_struct.tm_hour=0;
  time_struct.tm_isdst=0;
  
  time_t t1970=mktime(&time_struct);
  tm s = m_tm;
  time_t t_this=mktime(&s);

  double x= difftime(t_this,t1970); 
  result =(uint64_t) x*1000000;

  return result; 

}

static Tm Tm::negInfinity ( )

inlinestatic

Definition at line 52 of file Tm.h.

References NEG_INF_MICROS, and Tm().

    {
      return Tm(NEG_INF_MICROS);
    };

bool Tm::operator!= ( const Tm &  t ) const

inline

Definition at line 121 of file Tm.h.

{ return !(t == *this); }

const Tm Tm::operator+ ( int  seconds )

inline

Definition at line 133 of file Tm.h.

References runTheMatrix::ret, and seconds().

                                  {
    Tm ret = *this;
    ret += seconds;
    return ret;
  }

Tm& Tm::operator+= ( int  seconds )

inline

Definition at line 128 of file Tm.h.

References microsTime(), and setToMicrosTime().

                              {
    setToMicrosTime(microsTime() + seconds * 1e6);
    return *this;
  }

Tm& Tm::operator-= ( int  seconds )

inline

Definition at line 123 of file Tm.h.

References microsTime(), and setToMicrosTime().

                              {
    setToMicrosTime(microsTime() - seconds * 1e6);
    return *this;
  }

bool Tm::operator< ( const Tm &  t ) const

inline

Definition at line 99 of file Tm.h.

References microsTime().

    {
      return microsTime() < t.microsTime();
    }

bool Tm::operator<= ( const Tm &  t ) const

inline

Definition at line 104 of file Tm.h.

References microsTime().

    {
      return microsTime() <= t.microsTime();
    }

bool Tm::operator== ( const Tm &  t ) const

inline

Definition at line 109 of file Tm.h.

References m_tm.

    {   return (m_tm.tm_hour  == t.m_tm.tm_hour &&
        m_tm.tm_isdst == t.m_tm.tm_isdst &&
        m_tm.tm_mday  == t.m_tm.tm_mday &&
        m_tm.tm_min   == t.m_tm.tm_min &&
        m_tm.tm_mon   == t.m_tm.tm_mon &&
        m_tm.tm_sec   == t.m_tm.tm_sec &&
        m_tm.tm_wday  == t.m_tm.tm_wday &&
        m_tm.tm_yday  == t.m_tm.tm_yday &&
        m_tm.tm_year  == t.m_tm.tm_year); 
    }

static Tm Tm::plusInfinity ( )

inlinestatic

Definition at line 46 of file Tm.h.

References PLUS_INF_MICROS, and Tm().

Referenced by LMFSeqDat::LMFSeqDat().

    {
      return Tm(PLUS_INF_MICROS);
    };

void Tm::setNull

(

)

Definition at line 74 of file Tm.cc.

Referenced by LMFSextuple::LMFSextuple().

{
  m_tm.tm_hour  = 0;
  m_tm.tm_isdst = 0;
  m_tm.tm_mday  = 0;
  m_tm.tm_min   = 0;
  m_tm.tm_mon   = 0;
  m_tm.tm_sec   = 0;
  m_tm.tm_wday  = 0;
  m_tm.tm_yday  = 0;
  m_tm.tm_year  = 0;
}

void Tm::setToCmsNanoTime

(

uint64_t

nanos

)

Definition at line 158 of file Tm.cc.

                                        {
  setToMicrosTime((nanos >> 32) * 1000000);
}

void Tm::setToCurrentGMTime

(

)

Definition at line 177 of file Tm.cc.

References NULL, and lumiQTWidget::t.

Referenced by LMFRunIOV::initialize(), RunDCSMagnetDat::nowMicroseconds(), RunDCSLVDat::nowMicroseconds(), RunDCSHVDat::nowMicroseconds(), and EcalPedOffset::writeDb().

{
  time_t t = time(NULL);
  m_tm = *gmtime( &t );
}

void Tm::setToCurrentLocalTime

(

)

Definition at line 171 of file Tm.cc.

References NULL, and lumiQTWidget::t.

Referenced by popcon::EcalLaserHandler::getNewObjects().

{
  time_t t = time(NULL);
  m_tm = *localtime( &t );
}

void Tm::setToGMTime

(

time_t

t

)

Definition at line 188 of file Tm.cc.

Referenced by str().

{
  m_tm = *gmtime( &t );
}

void Tm::setToLocalTime

(

time_t

t

)

Definition at line 183 of file Tm.cc.

{
  m_tm = *localtime( &t );
}

void Tm::setToMicrosTime

(

uint64_t

micros

)

Definition at line 162 of file Tm.cc.

References lumiQTWidget::t.

Referenced by operator+=(), and operator-=().

{
  time_t t = micros / 1000000;
  if (t >= INT_MAX) {
    t = INT_MAX;
  }
  m_tm = *gmtime(&t);
}

void Tm::setToString	(	const std::string	s	)
throw	(	std::runtime_error
	)

Definition at line 193 of file Tm.cc.

References alignCSCRings::e, visualization-live-secondInstance_cfg::msg, and alignCSCRings::s.

Referenced by LMFCorrCoefDat::fetchAfter(), LMFCorrCoefDat::fetchBetween(), RunDCSHVDat::fillTheMapByTime(), LMFRunIOV::getDBInsertionTime(), LMFLmrSubIOV::getIOVIDsLaterThan(), popcon::EcalLaserHandler::getNewObjects(), LMFLmrSubIOV::getParameters(), LMFSeqDat::getSequenceStart(), LMFSeqDat::getSequenceStop(), LMFRunIOV::getSubRunEnd(), and LMFRunIOV::getSubRunStart().

{
  sscanf(s.c_str(), "%04d-%02d-%02d %02d:%02d:%02d", 
     &m_tm.tm_year, &m_tm.tm_mon, &m_tm.tm_mday,
     &m_tm.tm_hour, &m_tm.tm_min, &m_tm.tm_sec);

  try {
    if (m_tm.tm_year > 9999 || m_tm.tm_year < 1900) {
      throw(std::runtime_error("Year out of bounds"));
    } else if (m_tm.tm_mon > 12 || m_tm.tm_mon < 1) {
      throw(std::runtime_error("Month out of bounds"));
    } else if (m_tm.tm_mday > 31 || m_tm.tm_mday < 1) {
      throw(std::runtime_error("Day out of bounds"));
    } else if (m_tm.tm_hour > 23 || m_tm.tm_mday < 0) {
      throw(std::runtime_error("Hour out of bounds"));
    } else if (m_tm.tm_min > 59 || m_tm.tm_min < 0) {
      throw(std::runtime_error("Minute out of bounds"));
    } else if (m_tm.tm_sec > 59 || m_tm.tm_sec < 0) {
      throw(std::runtime_error("Day out of bounds"));
    }

    if (m_tm.tm_year >= 2038) {
      // take into account UNIX time limits
      m_tm.tm_year = 2038;
      if (m_tm.tm_mon > 1) {
    m_tm.tm_mon = 1;
      }
      if (m_tm.tm_mday > 19) {
    m_tm.tm_mday = 19;
      }
      if (m_tm.tm_hour > 3) {
    m_tm.tm_hour = 3;
      }
      if (m_tm.tm_min > 14) {
    m_tm.tm_min = 14;
      }
      if (m_tm.tm_sec > 7) {
    m_tm.tm_sec = 7;
      }
    }
    m_tm.tm_year -= 1900;
    m_tm.tm_mon -= 1;
  } catch (std::runtime_error &e) {
    this->setNull();
    string msg("Tm::setToString():  ");
    msg.append(e.what());
    throw(std::runtime_error(msg));
  }
}

string Tm::str

(

)

const

"One hour shif" fix Create a temporary dummy object that is in GMT and use it to generate the output. This is to avoid the "one hour shift" related to the Summer time and the value of m_tm.tm_isdst, see [1]. It guaranties that the output is always in GMT / UTC. [1] https://hypernews.cern.ch/HyperNews/CMS/get/ecalDB/66.html

Definition at line 89 of file Tm.cc.

References c_tm(), setToGMTime(), and AlCaHLTBitMon_QueryRunRegistry::string.

Referenced by LMFCorrCoefDat::fetchBetween(), LMFSeqDat::fetchByRunNumber(), RunDCSHVDat::fillTheMapByTime(), LMFCorrCoefDat::getCorrections(), popcon::EcalLaserHandler::getNewObjects(), LMFRunIOV::getParameters(), LMFSeqDat::getParameters(), DataReducer< T >::getReducedDataList(), LMFRunIOV::initialize(), LMFSeqDat::LMFSeqDat(), operator<<(), EcalTPGDBApp::printIOV(), LMFUnique::sequencePostfix(), LMFSeqDat::setSequenceStart(), LMFSeqDat::setSequenceStop(), LMFRunIOV::setSubRunEnd(), and LMFRunIOV::setSubRunStart().

{
  if (this->isNull()) {
    return "";
  }

  char timebuf[20] = "";
  if (this->microsTime() >= PLUS_INF_MICROS) {
    sprintf(timebuf, "9999-12-12 23:59:59");
  } else {
    Tm dummy_Tm;
    dummy_Tm.setToGMTime(this->microsTime()/1000000);
    struct tm dummy_tm = dummy_Tm.c_tm();
    strftime(timebuf, 20, "%Y-%m-%d %H:%M:%S", &dummy_tm);
  }
  return string(timebuf);
}

uint64_t Tm::unixTime

(

)

const

Definition at line 121 of file Tm.cc.

Referenced by epoch().

{
  return microsTime()/1000000;
}

Friends And Related Function Documentation

std::ostream& operator<< ( std::ostream &  out, const Tm &  t  )

friend

GO: the maximum UNIX time is restricted to INT_MAX, corresponding to 2038-01-19 03:14:07. Take it into account in str()

Definition at line 18 of file Tm.cc.

                                                     {
  out << t.str();
  return out;
}

Member Data Documentation

struct tm Tm::m_tm

private

Definition at line 142 of file Tm.h.

Referenced by operator==().

const uint64_t Tm::NEG_INF_MICROS = 0

staticprivate

Definition at line 14 of file Tm.h.

Referenced by negInfinity().

const uint64_t Tm::PLUS_INF_MICROS = (uint64_t)INT_MAX * 1000000

staticprivate

Definition at line 16 of file Tm.h.

Referenced by plusInfinity().