Tm Class Reference

#include <Tm.h>

Public Member Functions
struct tm	c_tm () const
void	dumpTm ()
int	isNull () const
uint64_t	microsTime () const
bool	operator!= (const Tm &t) const
Tm &	operator+= (int seconds)
Tm &	operator-= (int seconds)
bool	operator== (const Tm &t) const
void	setNull ()
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)
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

Detailed Description

Definition at line 14 of file Tm.h.

Constructor & Destructor Documentation

Tm::Tm

(

)

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 19 of file Tm.cc.

Referenced by negInfinity(), and plusInfinity().

{
  this->setNull();
}

Tm::Tm

(

struct tm *

initTm

)

Definition at line 27 of file Tm.cc.

{
  m_tm = *initTm;
}

Tm::Tm

(

uint64_t

micros

)

Definition at line 32 of file Tm.cc.

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

Tm::~Tm ( )

virtual

Definition at line 43 of file Tm.cc.

{
}

Member Function Documentation

struct tm Tm::c_tm

(

)

const

Definition at line 49 of file Tm.cc.

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

{
  return m_tm;
}

void Tm::dumpTm

(

)

Definition at line 223 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;
}

int Tm::isNull

(

)

const

Definition at line 56 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 109 of file Tm.cc.

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

Referenced by popcon::EcalLaserHandler::getNewObjects(), DataReducer< T >::getReducedDataList(), RunDCSMagnetDat::nowMicroseconds(), RunDCSLVDat::nowMicroseconds(), RunDCSHVDat::nowMicroseconds(), operator+=(), operator-=(), DataReducer< T >::MyData< U >::operator<(), RunDCSHVDat::setStatusForBarrel(), RunDCSLVDat::setStatusForBarrel(), RunDCSLVDat::setStatusForEndcaps(), and RunDCSHVDat::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 53 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 104 of file Tm.h.

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

Tm& Tm::operator+= ( int  seconds )

inline

Definition at line 110 of file Tm.h.

References microsTime(), and setToMicrosTime().

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

Tm& Tm::operator-= ( int  seconds )

inline

Definition at line 106 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 92 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 47 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 67 of file Tm.cc.

{
  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::setToCurrentGMTime

(

)

Definition at line 156 of file Tm.cc.

References NULL, matplotRender::t, and cond::rpcobgas::time.

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

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

void Tm::setToCurrentLocalTime

(

)

Definition at line 150 of file Tm.cc.

References NULL, matplotRender::t, and cond::rpcobgas::time.

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

void Tm::setToGMTime

(

time_t

t

)

Definition at line 167 of file Tm.cc.

Referenced by str().

{
  m_tm = *gmtime( &t );
}

void Tm::setToLocalTime

(

time_t

t

)

Definition at line 162 of file Tm.cc.

{
  m_tm = *localtime( &t );
}

void Tm::setToMicrosTime

(

uint64_t

micros

)

Definition at line 141 of file Tm.cc.

References matplotRender::t.

Referenced by popcon::EcalLaserHandler::getNewObjects(), 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 172 of file Tm.cc.

References runTheMatrix::msg, and asciidump::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 82 of file Tm.cc.

References c_tm(), and setToGMTime().

Referenced by LMFCorrCoefDat::fetchBetween(), LMFSeqDat::fetchByRunNumber(), RunDCSHVDat::fillTheMapByTime(), LMFCorrCoefDat::getCorrections(), popcon::EcalLaserHandler::getNewObjects(), LMFRunIOV::getParameters(), LMFSeqDat::getParameters(), DataReducer< T >::getReducedDataList(), LMFRunIOV::initialize(), LMFSeqDat::LMFSeqDat(), 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);
}

Member Data Documentation

struct tm Tm::m_tm

private

Definition at line 116 of file Tm.h.

Referenced by operator==().

const uint64_t Tm::NEG_INF_MICROS = 0

staticprivate

Definition at line 15 of file Tm.h.

Referenced by negInfinity().

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

staticprivate

Definition at line 17 of file Tm.h.

Referenced by plusInfinity().