FRDEventFileWriter Class Reference

#include <FRDEventFileWriter.h>

Public Member Functions
uint32	adler32 () const
void	doOutputEvent (FRDEventMsgView const &msg)
void	doOutputEventFragment (unsigned char *dataPtr, unsigned long dataSize)
	FRDEventFileWriter (edm::ParameterSet const &ps)
	FRDEventFileWriter (std::string const &fileName)
void	start ()
void	stop ()
	~FRDEventFileWriter ()

Private Member Functions
void	initialize (std::string const &name)

Private Attributes
uint32	adlera_
uint32	adlerb_
std::string	fileName_
std::auto_ptr< std::ofstream >	ost_

Detailed Description

Definition at line 11 of file FRDEventFileWriter.h.

Constructor & Destructor Documentation

FRDEventFileWriter::FRDEventFileWriter ( edm::ParameterSet const &  ps )

explicit

Definition at line 8 of file FRDEventFileWriter.cc.

References edm::ParameterSet::getUntrackedParameter(), and initialize().

{
  initialize(ps.getUntrackedParameter<std::string>("fileName", "testFRDfile.dat"));
}

FRDEventFileWriter::FRDEventFileWriter ( std::string const &  fileName )

explicit

Definition at line 13 of file FRDEventFileWriter.cc.

References initialize().

{
  initialize(fileName);
}

FRDEventFileWriter::~FRDEventFileWriter

(

)

Definition at line 18 of file FRDEventFileWriter.cc.

References ost_.

{
  ost_->close();
}

Member Function Documentation

uint32 FRDEventFileWriter::adler32 ( ) const

inline

Definition at line 23 of file FRDEventFileWriter.h.

References adlera_, and adlerb_.

{ return (adlerb_ << 16) | adlera_; }

void FRDEventFileWriter::doOutputEvent

(

FRDEventMsgView const &

msg

)

Definition at line 23 of file FRDEventFileWriter.cc.

References cms::Adler32(), adlera_, adlerb_, edm::hlt::Exception, fileName_, ost_, FRDEventMsgView::size(), and FRDEventMsgView::startAddress().

{
  ost_->write((const char*) msg.startAddress(), msg.size());
  if (ost_->fail()) {
    throw cms::Exception("FRDEventFileWriter", "doOutputEvent")
      << "Error writing FED Raw Data event data to "
      << fileName_ << ".  Possibly the output disk "
      << "is full?" << std::endl;
  }

  ost_->flush();
  if (ost_->fail()) {
    throw cms::Exception("FRDEventFileWriter", "doOutputEvent")
      << "Error writing FED Raw Data event data to "
      << fileName_ << ".  Possibly the output disk "
      << "is full?" << std::endl;
  }
  
  cms::Adler32((const char*) msg.startAddress(), msg.size(), adlera_, adlerb_);
}

void FRDEventFileWriter::doOutputEventFragment	(	unsigned char *	dataPtr,
		unsigned long	dataSize
	)

Definition at line 44 of file FRDEventFileWriter.cc.

References cms::Adler32(), adlera_, adlerb_, edm::hlt::Exception, fileName_, and ost_.

{
  ost_->write((const char*) dataPtr, dataSize);
  if (ost_->fail()) {
    throw cms::Exception("FRDEventFileWriter", "doOutputEventFragment")
      << "Error writing FED Raw Data event data to "
      << fileName_ << ".  Possibly the output disk "
      << "is full?" << std::endl;
  }

  ost_->flush();
  if (ost_->fail()) {
    throw cms::Exception("FRDEventFileWriter", "doOutputEventFragment")
      << "Error writing FED Raw Data event data to "
      << fileName_ << ".  Possibly the output disk "
      << "is full?" << std::endl;
  }

  cms::Adler32((const char*) dataPtr, dataSize, adlera_, adlerb_);
}

void FRDEventFileWriter::initialize ( std::string const &  name )

private

Definition at line 66 of file FRDEventFileWriter.cc.

References adlera_, adlerb_, edm::hlt::Exception, fileName_, mergeVDriftHistosByStation::name, ost_, and dbtoconf::out.

Referenced by FRDEventFileWriter().

{
  fileName_ = name;
  ost_.reset(new std::ofstream(name.c_str(), std::ios_base::binary | std::ios_base::out));

  if (!ost_->is_open()) {
    throw cms::Exception("FRDEventFileWriter","initialize")
      << "Error opening FED Raw Data event output file: " << name << "\n";
  }

  adlera_ = 1;
  adlerb_ = 0;
}

void FRDEventFileWriter::start ( void  )

inline

Definition at line 25 of file FRDEventFileWriter.h.

Referenced by progressbar.ProgressBar::__next__().

{}

void FRDEventFileWriter::stop ( )

inline

Definition at line 26 of file FRDEventFileWriter.h.

{}

Member Data Documentation

uint32 FRDEventFileWriter::adlera_

private

Definition at line 35 of file FRDEventFileWriter.h.

Referenced by adler32(), doOutputEvent(), doOutputEventFragment(), and initialize().

uint32 FRDEventFileWriter::adlerb_

private

Definition at line 36 of file FRDEventFileWriter.h.

Referenced by adler32(), doOutputEvent(), doOutputEventFragment(), and initialize().

std::string FRDEventFileWriter::fileName_

private

Definition at line 33 of file FRDEventFileWriter.h.

Referenced by doOutputEvent(), doOutputEventFragment(), and initialize().

std::auto_ptr<std::ofstream> FRDEventFileWriter::ost_

private

Definition at line 32 of file FRDEventFileWriter.h.

Referenced by doOutputEvent(), doOutputEventFragment(), initialize(), and ~FRDEventFileWriter().