stor::FRDFileHandler Class Reference

#include <FRDFileHandler.h>

Inheritance diagram for stor::FRDFileHandler:

List of all members.

Public Member Functions
virtual void	closeFile (const FilesMonitorCollection::FileRecord::ClosingReason &)
	FRDFileHandler (FilesMonitorCollection::FileRecordPtr, const DbFileHandlerPtr, const DiskWritingParams &, const uint64_t &maxFileSize)
Private Member Functions
virtual void	do_writeEvent (const I2OChain &)
Private Attributes
boost::scoped_ptr < FRDEventFileWriter >	writer_

---

Detailed Description

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

Author:

mommsen

Revision:

1.13

Date:

2011/03/07 15:31:31

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_.

  {
    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

)

[private, virtual]

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().