psmfilescanprocess.cpp

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/**
 * \file pappsomspp/processing/cbor/psm/psmfilescanprocess.h
 * \date 12/07/2025
 * \author Olivier Langella
 * \brief PSM file reader designed to parallelize scan process
 */
 
/*******************************************************************************
 * Copyright (c) 2025 Olivier Langella <Olivier.Langella@universite-paris-saclay.fr>.
 *
 * This file is part of PAPPSOms-tools.
 *
 *     PAPPSOms-tools 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-tools 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-tools.  If not, see <http://www.gnu.org/licenses/>.
 *
 ******************************************************************************/
 
 
#include "psmfilescanprocess.h"
#include "../../../pappsoexception.h"
#include <QtConcurrent>
 
 
pappso::cbor::psm::PsmFileScanProcess::PsmFileScanProcess(std::size_t buffer_scan_size)
{
  m_bufferScanSize = buffer_scan_size;
}
 
pappso::cbor::psm::PsmFileScanProcess::~PsmFileScanProcess()
{
}
 
void
pappso::cbor::psm::PsmFileScanProcess::clearScanBuffer()
{
  for(CborScanMapBase *cbor_scan_p : m_cborScanList)
    {
      delete cbor_scan_p;
    }
  m_cborScanList.clear();
}
 
 
void
pappso::cbor::psm::PsmFileScanProcess::readScan(pappso::UiMonitorInterface &monitor)
{
  qDebug();
  //  auto& ref = elections.emplace_back("Nelson Mandela", "South Africa", 1994);
  CborScanMapBase *scan_map_p = newCborScanMap();
  m_cborScanList.push_back(scan_map_p);
 
  if(!mpa_cborReader->readCborMap(*scan_map_p))
    {
      throw pappso::PappsoException(QObject::tr("readCborMap scan failed"));
    }
  // m_cborScanList.push_back(scan_map);
  qDebug() << "scan end";
  scanFinished(monitor);
  qDebug();
}
 
void
pappso::cbor::psm::PsmFileScanProcess::scanFinished(pappso::UiMonitorInterface &monitor)
{
  if(m_cborScanList.size() > m_bufferScanSize)
    {
      processBufferScan(monitor);
      clearScanBuffer();
    }
}
 
void
pappso::cbor::psm::PsmFileScanProcess::sampleFinished(pappso::UiMonitorInterface &monitor)
{
  processBufferScan(monitor);
  clearScanBuffer();
}
 
 
void
pappso::cbor::psm::PsmFileScanProcess::processBufferScan(pappso::UiMonitorInterface &monitor)
{
  // you decide how to process the list of scans
 
  std::function<void(pappso::cbor::psm::CborScanMapBase *)> mapProcessCborScan =
    [](pappso::cbor::psm::CborScanMapBase *cbor_scan_p) { cbor_scan_p->process(); };
 
 
  QFuture<void> res = QtConcurrent::map<std::vector<CborScanMapBase *>::iterator>(
    m_cborScanList.begin(), m_cborScanList.end(), mapProcessCborScan);
  res.waitForFinished();
  processBufferScanDone(monitor);
}
 
void
pappso::cbor::psm::PsmFileScanProcess::processBufferScanDone(pappso::UiMonitorInterface &monitor)
{
  // you decide what to do with processed scans
}