stor::FRDFileHandler Class Reference

#include <FRDFileHandler.h>

Inheritance diagram for stor::FRDFileHandler:

Public Member Functions
virtual void	closeFile (const FilesMonitorCollection::FileRecord::ClosingReason &)
	FRDFileHandler (FilesMonitorCollection::FileRecordPtr, const DbFileHandlerPtr, const DiskWritingParams &, const uint64_t &maxFileSize)
Public Member Functions inherited from stor::FileHandler
uint32_t	events () const
	FileHandler (FilesMonitorCollection::FileRecordPtr, const DbFileHandlerPtr, const DiskWritingParams &, const uint64_t &maxFileSize)
uint64_t	fileSize () const
bool	isFromLumiSection (const uint32_t lumiSection)
uint32_t	lumiSection () const
bool	tooLarge (const uint64_t &dataSize)
bool	tooOld (const utils::TimePoint_t currentTime=utils::getCurrentTime())
void	writeEvent (const I2OChain &)
virtual	~FileHandler ()

Private Member Functions
virtual void	do_writeEvent (const I2OChain &)

Private Attributes
boost::scoped_ptr < FRDEventFileWriter >	writer_

Additional Inherited Members
Protected Member Functions inherited from stor::FileHandler
void	insertFileInDatabase () const
void	moveFileToClosed (const FilesMonitorCollection::FileRecord::ClosingReason &)
void	updateDatabase () const
Protected Attributes inherited from stor::FileHandler
const DbFileHandlerPtr	dbFileHandler_
const DiskWritingParams &	diskWritingParams_
FilesMonitorCollection::FileRecordPtr	fileRecord_
utils::TimePoint_t	firstEntry_
utils::TimePoint_t	lastEntry_

Detailed Description

Represents a file holding HLT error events in the FED Raw Data (FRD) format.

Author:

mommsen

Revision:

1.12.4.1

Date:

2011/03/07 11:33:04

Definition at line 28 of file FRDFileHandler.h.

Constructor & Destructor Documentation

stor::FRDFileHandler::FRDFileHandler	(	FilesMonitorCollection::FileRecordPtr	fileRecord,
		const DbFileHandlerPtr	dbFileHandler,
		const DiskWritingParams &	dwParams,
		const uint64_t &	maxFileSize
	)

Definition at line 15 of file FRDFileHandler.cc.

    :
  FileHandler(fileRecord, dbFileHandler, dwParams, maxFileSize),
  writer_(new FRDEventFileWriter(fileRecord->completeFileName()))
  {}

Member Function Documentation

void stor::FRDFileHandler::closeFile ( const FilesMonitorCollection::FileRecord::ClosingReason &  reason )

virtual

Close the file

Implements stor::FileHandler.

Definition at line 38 of file FRDFileHandler.cc.

References stor::FileHandler::fileRecord_, stor::FileHandler::moveFileToClosed(), stor::FileHandler::updateDatabase(), and writer_.

Referenced by python.Vispa.Main.Application.Application::tabCloseRequest().

  {
    if ( ! fileRecord_->isOpen ) return;
    
    if (writer_)
    {
      // if writer was reset, we already closed the stream but failed to move the file to the closed position
      writer_->stop();
      fileRecord_->adler32 = writer_->adler32();
      writer_.reset(); // Destruct the writer to flush the file stream
    }
    moveFileToClosed(reason);
    updateDatabase();
  }

void stor::FRDFileHandler::do_writeEvent ( const I2OChain &  chain )

privatevirtual

Write the I2OChain to the file

Implements stor::FileHandler.

Definition at line 26 of file FRDFileHandler.cc.

References stor::I2OChain::dataLocation(), stor::I2OChain::dataSize(), stor::I2OChain::fragmentCount(), and writer_.

  {
    unsigned int fragCount = chain.fragmentCount();
    for (unsigned int idx = 0; idx < fragCount; ++idx)
    {
      writer_->doOutputEventFragment(
        chain.dataLocation(idx),
        chain.dataSize(idx));
    }
  }

Member Data Documentation

boost::scoped_ptr<FRDEventFileWriter> stor::FRDFileHandler::writer_

private

Definition at line 52 of file FRDFileHandler.h.

Referenced by closeFile(), and do_writeEvent().