msrunxicextractordiskbuffer.cpp

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/**
 * \file pappsomspp/xicextractor/private/msrunxicextractordiskbuffer.cpp
 * \date 18/05/2018
 * \author Olivier Langella
 * \brief proteowizard based XIC extractor featuring disk cache + write buffer
 */
 
/*******************************************************************************
 * Copyright (c) 2018 Olivier Langella <Olivier.Langella@u-psud.fr>.
 *
 * This file is part of the PAPPSOms++ library.
 *
 *     PAPPSOms++ is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     PAPPSOms++ is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with PAPPSOms++.  If not, see <http://www.gnu.org/licenses/>.
 *
 * Contributors:
 *     Olivier Langella <Olivier.Langella@u-psud.fr> - initial API and
 *implementation
 ******************************************************************************/
 
 
#include "msrunxicextractordiskbuffer.h"
#include <QDebug>
#include "../../pappsoexception.h"
#include "../../massspectrum/massspectrum.h"
 
namespace pappso
{
 
MsRunXicExtractorDiskBuffer::MsRunXicExtractorDiskBuffer(
  MsRunReaderSPtr &msrun_reader, const QDir &temporary_dir)
  : MsRunXicExtractorDisk(msrun_reader, temporary_dir)
{
 
  m_sliceBufferMap.clear();
}
 
MsRunXicExtractorDiskBuffer::MsRunXicExtractorDiskBuffer(
  const MsRunXicExtractorDiskBuffer &other)
  : MsRunXicExtractorDisk(other)
{
 
  m_sliceBufferMap.clear();
}
 
MsRunXicExtractorDiskBuffer::~MsRunXicExtractorDiskBuffer()
{
}
 
void
MsRunXicExtractorDiskBuffer::storeSlices(
  std::map<unsigned int, MassSpectrum> &slice_vector, std::size_t ipos)
{
 
  m_bufferSize++;
  for(auto &&msrun_slice : slice_vector)
    {
      appendSliceInBuffer(msrun_slice.first, msrun_slice.second, ipos);
    }
 
  if(m_bufferSize == m_bufferMaxSize)
    {
      flushBufferOnDisk();
    }
}
 
void
MsRunXicExtractorDiskBuffer::appendSliceInBuffer(unsigned int slice_number,
                                                 MassSpectrum &spectrum,
                                                 std::size_t ipos)
{
  qDebug() << __FILE__ << " " << __FUNCTION__ << " " << __LINE__;
 
  if(ipos < 0)
    return;
  std::size_t spectrum_size = spectrum.size();
 
  if(spectrum_size == 0)
    return;
  try
    {
      std::pair<std::map<unsigned int, QByteArray>::iterator, bool> ret =
        m_sliceBufferMap.insert(
          std::pair<unsigned int, QByteArray>(slice_number, QByteArray()));
 
 
      if(ret.second)
        { // new buffer
          ret.first->second.resize(0);
          QDataStream outstream(&ret.first->second, QIODevice::WriteOnly);
          outstream << (quint32)ipos;
          outstream << spectrum;
        }
      else
        {
          QDataStream outstream(&ret.first->second,
                                QIODevice::WriteOnly | QIODevice::Append);
          outstream << (quint32)ipos;
          outstream << spectrum;
        }
    }
  catch(PappsoException &error_pappso)
    {
      throw pappso::PappsoException(
        QObject::tr("appendSliceInBuffer : error ipos=%1 :\n%2")
          .arg(ipos)
          .arg(error_pappso.qwhat()));
    }
  catch(std::exception &error)
    {
      throw pappso::PappsoException(
        QObject::tr("appendSliceInBuffer slice_number=%1 ipos=%2 error :\n%3")
          .arg(slice_number)
          .arg(ipos)
          .arg(error.what()));
    }
  qDebug() << __FILE__ << " " << __FUNCTION__ << " " << __LINE__;
}
 
 
void
MsRunXicExtractorDiskBuffer::flushBufferOnDisk()
{
  qDebug() << __FILE__ << " " << __FUNCTION__ << " " << __LINE__;
 
  try
    {
      for(auto &buffer_pair : m_sliceBufferMap)
        {
 
          if(buffer_pair.second.size() > 0)
            {
              QFile slice_file(QString("%1/%2")
                                 .arg(mpa_temporaryDirectory->path())
                                 .arg(buffer_pair.first));
              bool new_file = false;
              if(!slice_file.exists())
                {
                  new_file = true;
 
                  if(!slice_file.open(QIODevice::WriteOnly))
                    {
                      throw pappso::PappsoException(
                        QObject::tr("unable to open file %1")
                          .arg(slice_file.fileName()));
                    }
                }
              else
                {
                  if(!slice_file.open(QIODevice::WriteOnly | QIODevice::Append))
                    {
                      throw pappso::PappsoException(
                        QObject::tr("unable to open file %1")
                          .arg(slice_file.fileName()));
                    }
                }
 
              QDataStream stream(&slice_file);
 
              if(new_file)
                {
                  stream << (quint32)buffer_pair.first;
                  stream << (quint32)m_rtSize;
                  stream.writeRawData(buffer_pair.second.constData(),
                                      buffer_pair.second.size());
                }
              else
                {
                  stream.writeRawData(buffer_pair.second.constData(),
                                      buffer_pair.second.size());
                }
 
 
              slice_file.flush();
              slice_file.close();
            }
          // buffer_pair.second = std::vector<MassSpectrum>();
        }
 
      m_bufferSize = 0;
      m_sliceBufferMap.clear();
    }
  catch(PappsoException &error_pappso)
    {
      throw pappso::PappsoException(
        QObject::tr("flushBufferOnDisk error :\n%1").arg(error_pappso.qwhat()));
    }
  catch(std::exception &error)
    {
      throw pappso::PappsoException(
        QObject::tr("flushBufferOnDisk error :\n%1").arg(error.what()));
    }
  qDebug() << __FILE__ << " " << __FUNCTION__ << " " << __LINE__;
}
 
 
void
MsRunXicExtractorDiskBuffer::endPwizRead()
{
  flushBufferOnDisk();
 
  m_sliceBufferMap.clear();
}
} // namespace pappso