DumpFile Class Reference

#include <dqdumpfile.hh>

Classes
class	iterator

Public Member Functions
	DumpFile (std::string const &filename)
iterator	begin ()
iterator	end ()
Packet	operator[] (std::size_t n)
std::size_t	size () const
	DumpFile (const FilenameGenerator &fg, std::size_t max_file_size)
	~DumpFile ()
bool	write (const CLBDataGram *data, unsigned int detector_id)

Private Member Functions
	DumpFile (DumpFile const &)
DumpFile &	operator= (DumpFile const &)

Private Attributes
std::ifstream	m_stream
std::vector< std::size_t >	m_pos
std::ofstream	m_outfile
FilenameGenerator	m_fg
std::size_t	m_current_file_size
std::size_t const	m_max_file_size

Detailed Description

Definition at line 65 of file dqdumpfile.hh.

Constructor & Destructor Documentation

DumpFile() [1/3]

DumpFile::DumpFile ( DumpFile const & )

private

DumpFile() [2/3]

DumpFile::DumpFile ( std::string const & filename )

inline

Definition at line 142 of file dqdumpfile.hh.

    :
    m_stream(filename.c_str())
  {
    while (m_stream) {
      m_pos.push_back(m_stream.tellg());
      uint32_t pack_size;
      m_stream.read((char*) &pack_size, sizeof(pack_size));
      m_stream.ignore(pack_size);
    }
    m_pos.pop_back();
  }

DumpFile() [3/3]

DumpFile::DumpFile ( const FilenameGenerator & fg, std::size_t max_file_size )

inline

Definition at line 62 of file dump_file.hh.

    :
    m_fg(fg),
    m_current_file_size(0),
    m_max_file_size(max_file_size)
  {}

~DumpFile()

DumpFile::~DumpFile ( )

inline

Definition at line 69 of file dump_file.hh.

  {
    m_outfile.close();
  }

Member Function Documentation

operator=()

DumpFile & DumpFile::operator= ( DumpFile const & )

private

begin()

iterator DumpFile::begin ( )

inline

Definition at line 155 of file dqdumpfile.hh.

  {
    return iterator(this, 0);
  }

end()

iterator DumpFile::end ( )

inline

Definition at line 160 of file dqdumpfile.hh.

  {
    return iterator(this, m_pos.size());
  }

operator[]()

Packet DumpFile::operator[] ( std::size_t n )

inline

Definition at line 165 of file dqdumpfile.hh.

  {
    m_stream.clear();
    m_stream.seekg(m_pos[n]);
 
    uint32_t pack_size;
    m_stream.read((char*) &pack_size, sizeof(pack_size));
 
    Packet dg(pack_size);
    m_stream.read(dg.data(), pack_size);
    return dg;
  }

size()

std::size_t DumpFile::size ( ) const

inline

Definition at line 178 of file dqdumpfile.hh.

  {
    return m_pos.size();
  }

write()

bool DumpFile::write ( const CLBDataGram * data, unsigned int detector_id )

inline

Definition at line 74 of file dump_file.hh.

  {
    if (m_outfile.is_open())
      {
        if (data->size() + m_current_file_size + sizeof(int) > m_max_file_size)
          {
            m_fg.generate();
            m_outfile.close();
 
            m_outfile.open(m_fg.name(data->getRunNumber(), detector_id).c_str());
            m_current_file_size = 0;
          }
      }
    else
      {
        m_outfile.open(m_fg.name(data->getRunNumber(), detector_id).c_str());
        m_current_file_size = 0;
      }
 
    if (!m_outfile.is_open())
      {
        return false;
      }
 
    unsigned int const packet_size = data->size();
    m_outfile.write(
                    static_cast<const char*>(
                                             static_cast<const void*>(
                                                                      &packet_size)),
                    sizeof(packet_size));
 
    if (m_outfile.good())
      {
        m_current_file_size += sizeof(packet_size);
        if (m_outfile.write(data->raw(), data->size()).good())
          {
            m_current_file_size += data->size();
            return true;
          }
        else
          {
            return false;
          }
      }
    return false;
  }

Member Data Documentation

m_stream

std::ifstream DumpFile::m_stream

private

Definition at line 67 of file dqdumpfile.hh.

m_pos

std::vector<std::size_t> DumpFile::m_pos

private

Definition at line 68 of file dqdumpfile.hh.

m_outfile

std::ofstream DumpFile::m_outfile

private

Definition at line 55 of file dump_file.hh.

m_fg

FilenameGenerator DumpFile::m_fg

private

Definition at line 56 of file dump_file.hh.

m_current_file_size

std::size_t DumpFile::m_current_file_size

private

Definition at line 57 of file dump_file.hh.

m_max_file_size

std::size_t const DumpFile::m_max_file_size

private

Definition at line 58 of file dump_file.hh.

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The documentation for this class was generated from the following files:

• dqdumpfile.hh
• dump_file.hh