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::DumpFile ( DumpFile const &  )

private

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::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 ( )

inline

Definition at line 69 of file dump_file.hh.

  {
    m_outfile.close();
  }

Member Function Documentation

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

private

iterator DumpFile::begin ( )

inline

Definition at line 155 of file dqdumpfile.hh.

  {
    return iterator(this, 0);
  }

iterator DumpFile::end ( )

inline

Definition at line 160 of file dqdumpfile.hh.

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

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;
  }

std::size_t DumpFile::size ( ) const

inline

Definition at line 178 of file dqdumpfile.hh.

  {
    return m_pos.size();
  }

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

std::ifstream DumpFile::m_stream

private

Definition at line 67 of file dqdumpfile.hh.

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

private

Definition at line 68 of file dqdumpfile.hh.

std::ofstream DumpFile::m_outfile

private

Definition at line 55 of file dump_file.hh.

FilenameGenerator DumpFile::m_fg

private

Definition at line 56 of file dump_file.hh.

std::size_t DumpFile::m_current_file_size

private

Definition at line 57 of file dump_file.hh.

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