OutputFile Class Reference

#include <StreamerFileIO.h>

Public Member Functions
uint32	adler32 () const
void	close ()
uint64	current_offset () const
std::string	fileName () const
	OutputFile (const std::string &name)
void	set_current_offset (uint64 v)
void	set_do_adler (bool v)
bool	write (const char *ptr, size_t n)
	~OutputFile ()

Private Attributes
uint32	adlera_
uint32	adlerb_
uint64	current_offset_
bool	do_adler_
std::string	filename_
edm::propagate_const< std::shared_ptr< std::ofstream > >	ost_

Detailed Description

This file contains Class definitions for the Class representing Output (Streamer) file. Class representing Output (Streamer) file.

Definition at line 17 of file StreamerFileIO.h.

Constructor & Destructor Documentation

OutputFile()

OutputFile::OutputFile ( const std::string &  name )

explicit

Definition at line 7 of file StreamerFileIO.cc.

    : current_offset_(1),
      do_adler_(false),
      adlera_(1),
      adlerb_(0),
      ost_(new std::ofstream(name.c_str(), std::ios_base::binary | std::ios_base::out)),
      filename_(name) {
  if (!ost_->is_open()) {
    throw cms::Exception("OutputFile", "OutputFile") << "Error Opening Output File: " << name << "\n";
  }
  ost_->rdbuf()->pubsetbuf(nullptr, 0);
}

References Exception, Skims_PA_cff::name, and ost_.

~OutputFile()

OutputFile::~OutputFile

(

)

CTOR, takes file path name as argument

Definition at line 20 of file StreamerFileIO.cc.

{ ost_->close(); }

References ost_.

Member Function Documentation

adler32()

uint32 OutputFile::adler32 ( ) const

inline

Definition at line 33 of file StreamerFileIO.h.

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

References adlera_, and adlerb_.

close()

void OutputFile::close

(

void

)

Definition at line 33 of file StreamerFileIO.cc.

{ ost_->close(); }

References ost_.

Referenced by esMonitoring.AsyncLineReaderMixin::handle_close(), and esMonitoring.FDJsonServer::handle_close().

current_offset()

uint64 OutputFile::current_offset ( ) const

inline

Definition at line 32 of file StreamerFileIO.h.

{ return current_offset_; }

References current_offset_.

fileName()

std::string OutputFile::fileName ( ) const

inline

Definition at line 31 of file StreamerFileIO.h.

{ return filename_; }

References filename_.

set_current_offset()

void OutputFile::set_current_offset ( uint64  v )

inline

Definition at line 36 of file StreamerFileIO.h.

{ current_offset_ = v; }

References current_offset_, and findQualityFiles::v.

set_do_adler()

void OutputFile::set_do_adler ( bool  v )

inline

Definition at line 35 of file StreamerFileIO.h.

{ do_adler_ = v; }

References do_adler_, and findQualityFiles::v.

write()

bool OutputFile::write	(	const char *	ptr,
		size_t	n
	)

Definition at line 22 of file StreamerFileIO.cc.

                                                {
  ost_->write(ptr, n);
  if (!ost_->fail()) {
    current_offset_ += (uint64)(n);
    if (do_adler_)
      cms::Adler32(ptr, n, adlera_, adlerb_);
    return false;
  }
  return true;
}

References cms::Adler32(), adlera_, adlerb_, current_offset_, do_adler_, dqmiodumpmetadata::n, and ost_.

Member Data Documentation

adlera_

uint32 OutputFile::adlera_

private

Definition at line 43 of file StreamerFileIO.h.

Referenced by adler32(), and write().

adlerb_

uint32 OutputFile::adlerb_

private

Definition at line 44 of file StreamerFileIO.h.

Referenced by adler32(), and write().

current_offset_

uint64 OutputFile::current_offset_

private

Definition at line 40 of file StreamerFileIO.h.

Referenced by current_offset(), set_current_offset(), and write().

do_adler_

bool OutputFile::do_adler_

private

Location of current ioptr

Definition at line 42 of file StreamerFileIO.h.

Referenced by set_do_adler(), and write().

filename_

std::string OutputFile::filename_

private

Definition at line 47 of file StreamerFileIO.h.

Referenced by fileName().

ost_

edm::propagate_const<std::shared_ptr<std::ofstream> > OutputFile::ost_

private

Definition at line 46 of file StreamerFileIO.h.

Referenced by close(), OutputFile(), write(), and ~OutputFile().