serialization_impl.hpp

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/*
 * Copyright (c) 2009-2015:  G-CSC, Goethe University Frankfurt
 * Author: Sebastian Reiter
 * 
 * This file is part of UG4.
 * 
 * UG4 is free software: you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License version 3 (as published by the
 * Free Software Foundation) with the following additional attribution
 * requirements (according to LGPL/GPL v3 §7):
 * 
 * (1) The following notice must be displayed in the Appropriate Legal Notices
 * of covered and combined works: "Based on UG4 (www.ug4.org/license)".
 * 
 * (2) The following notice must be displayed at a prominent place in the
 * terminal output of covered works: "Based on UG4 (www.ug4.org/license)".
 * 
 * (3) The following bibliography is recommended for citation and must be
 * preserved in all covered files:
 * "Reiter, S., Vogel, A., Heppner, I., Rupp, M., and Wittum, G. A massively
 *   parallel geometric multigrid solver on hierarchically distributed grids.
 *   Computing and visualization in science 16, 4 (2013), 151-164"
 * "Vogel, A., Reiter, S., Rupp, M., Nägel, A., and Wittum, G. UG4 -- a novel
 *   flexible software system for simulating pde based models on high performance
 *   computers. Computing and visualization in science 16, 4 (2013), 165-179"
 * 
 * This program 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 Lesser General Public License for more details.
 */
 
#ifndef __H__LIB_GRID__SERIALIZATION_IMPL__
#define __H__LIB_GRID__SERIALIZATION_IMPL__
 
#include "serialization.h"
 
namespace ug
{
 
//  DataSerializer
inline void GridDataSerializationHandler::
serialize(BinaryBuffer& out, Vertex* vrt) const
{
  serialize(out, vrt, m_vrtSerializers);
  serialize(out, vrt, m_gridSerializers);
}
 
inline void GridDataSerializationHandler::
serialize(BinaryBuffer& out, Edge* edge) const
{
  serialize(out, edge, m_edgeSerializers);
  serialize(out, edge, m_gridSerializers);
}
 
inline void GridDataSerializationHandler::
serialize(BinaryBuffer& out, Face* face) const
{
  serialize(out, face, m_faceSerializers);
  serialize(out, face, m_gridSerializers);
}
 
inline void GridDataSerializationHandler::
serialize(BinaryBuffer& out, Volume* vol) const
{
  serialize(out, vol, m_volSerializers);
  serialize(out, vol, m_gridSerializers);
}
 
template <class TIterator>
void GridDataSerializationHandler::
serialize(BinaryBuffer& out, TIterator begin, TIterator end) const
{
  for(TIterator iter = begin; iter != end; ++iter)
    serialize(out, *iter);
}
 
template<class TGeomObj, class TSerializers>
void GridDataSerializationHandler::
serialize(BinaryBuffer& out, TGeomObj* o,
      TSerializers& serializers) const
{
//  This method performs the serialization
  for(size_t i = 0; i < serializers.size(); ++i){
    serializers[i]->write_data(out, o);
  }
}
 
 
inline void GridDataSerializationHandler::
deserialize(BinaryBuffer& in, Vertex* vrt)
{
  deserialize(in, vrt, m_vrtSerializers);
  deserialize(in, vrt, m_gridSerializers);
}
 
inline void GridDataSerializationHandler::
deserialize(BinaryBuffer& in, Edge* edge)
{
  deserialize(in, edge, m_edgeSerializers);
  deserialize(in, edge, m_gridSerializers);
}
 
inline void GridDataSerializationHandler::
deserialize(BinaryBuffer& in, Face* face)
{
  deserialize(in, face, m_faceSerializers);
  deserialize(in, face, m_gridSerializers);
}
 
inline void GridDataSerializationHandler::
deserialize(BinaryBuffer& in, Volume* vol)
{
  deserialize(in, vol, m_volSerializers);
  deserialize(in, vol, m_gridSerializers);
}
 
template <class TIterator>
void GridDataSerializationHandler::
deserialize(BinaryBuffer& in, TIterator begin, TIterator end)
{
  for(TIterator iter = begin; iter != end; ++iter)
    deserialize(in, *iter);
}
 
template<class TGeomObj, class TDeserializers>
void GridDataSerializationHandler::
deserialize(BinaryBuffer& in, TGeomObj* o,
      TDeserializers& deserializers)
{
//  This method performs the deserialization
  for(size_t i = 0; i < deserializers.size(); ++i){
    deserializers[i]->read_data(in, o);
  }
}
 
 
//  SerializeAttachment
template <class TElem, class TAttachment>
bool SerializeAttachment(Grid& grid, TAttachment& attachment,
             BinaryBuffer& out)
{
  return SerializeAttachment<TElem, TAttachment>(
                grid, attachment,
                grid.begin<TElem>(),
                grid.end<TElem>(),
                out);
}
 
//  SerializeAttachment
template <class TElem, class TAttachment>
bool SerializeAttachment(Grid& grid, TAttachment& attachment,
             typename geometry_traits<TElem>::iterator iterBegin,
             typename geometry_traits<TElem>::iterator iterEnd,
             BinaryBuffer& out)
{
  if(!grid.has_attachment<TElem>(attachment))
    return false;
 
//  copy data
  Grid::AttachmentAccessor<TElem, TAttachment> aa(grid, attachment);
  typedef typename TAttachment::ValueType ValueType;
  
//  write a magic number at the beginning and at the end.
  int magicNumber = 8304548;
  out.write((char*)&magicNumber, sizeof(int));
 
//TODO: remove the following test code.
//  test: write a number-value to check whether it is send correctly
/*
  number tNum = 1247.001234;
  out.write((char*)&tNum, sizeof(number));
*/  
  for(; iterBegin != iterEnd; ++iterBegin)
  {
    out.write((char*)&aa[*iterBegin], sizeof(ValueType));
  }
  out.write((char*)&magicNumber, sizeof(int));
 
  return true;
}
 
 
//  DeserializeAttachment
template <class TElem, class TAttachment>
bool DeserializeAttachment(Grid& grid, TAttachment& attachment,
             BinaryBuffer& in)
{
  return DeserializeAttachment<TElem, TAttachment>(
          grid, attachment, grid.begin<TElem>(),
          grid.end<TElem>(), in);
}
 
//  DeserializeAttachment
template <class TElem, class TAttachment>
bool DeserializeAttachment(Grid& grid, TAttachment& attachment,
             typename geometry_traits<TElem>::iterator iterBegin,
             typename geometry_traits<TElem>::iterator iterEnd,
             BinaryBuffer& in)
{
  if(!grid.has_attachment<TElem>(attachment))
    grid.attach_to<TElem>(attachment);
 
//  copy data
  Grid::AttachmentAccessor<TElem, TAttachment> aa(grid, attachment);
  typedef typename TAttachment::ValueType ValueType;
  
//  compare with the magic number
 
  int magicNumber = 8304548;
  int tInt;
  in.read((char*)&tInt, sizeof(int));
 
  if(tInt != magicNumber){
    UG_LOG("  WARNING: magic-number mismatch before read in DeserializeAttachment. Data-salad possible!\n");
    return false;
  }
 
//TODO: remove the following test code.
//  test: write a number-value to check whether it is send correctly
/*
  number tNum;
  in.read((char*)&tNum, sizeof(number));
  if(tNum != 1247.001234){
    UG_LOG("TEST-NUMBER TRANSMIT FAILED in DeserializeAttachment!\n");
    return false;
  }
*/
  for(; iterBegin != iterEnd; ++iterBegin)
  {
    in.read((char*)&aa[*iterBegin], sizeof(ValueType));
  }
  in.read((char*)&tInt, sizeof(int));
 
  if(tInt != magicNumber){
    UG_LOG("  WARNING: magic-number mismatch after read in DeserializeAttachment. Data-salad possible!\n");
    return false;
  }
 
  return true;
}
}
 
#endif