opm-simulators/opm/autodiff/BackupRestore.hpp
2015-02-11 13:26:57 +01:00

343 lines
11 KiB
C++

/*
Copyright 2014 IRIS AS
This file is part of the Open Porous Media project (OPM).
OPM 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.
OPM 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 OPM. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef OPM_BACKUPRESTORE_HEADER_INCLUDED
#define OPM_BACKUPRESTORE_HEADER_INCLUDED
#include <iostream>
#include <opm/core/simulator/SimulatorState.hpp>
#include <opm/core/simulator/BlackoilState.hpp>
#include <opm/autodiff/WellStateFullyImplicitBlackoil.hpp>
namespace Opm {
namespace {
template <class T>
void writeValue( std::ostream& stream, const T& value )
{
stream.write( (const char *) &value, sizeof( T ) );
}
template <class T>
void readValue( std::istream& stream, T& value )
{
stream.read( (char *) &value, sizeof( T ) );
}
// write any container that provides a size method and a data method
template <class Vector>
void writeContainer( std::ostream& stream, const Vector& vector)
{
typedef typename Vector :: value_type T;
unsigned int size = vector.size() * sizeof( T );
writeValue( stream, size );
if( size > 0 ) {
stream.write( (const char *) vector.data(), size );
}
}
// write map where the key is a std::string
// and the value is a std::vector or std::array
template <class Map>
void writeMap( std::ostream& stream, const Map& m)
{
const unsigned int mapEntries = m.size();
writeValue( stream, mapEntries );
if( mapEntries > 0 )
{
const auto& end = m.end();
for(auto it = m.begin(); it != end; ++it )
{
// write key (assume that key is a container)
writeContainer( stream, (*it).first );
// write value (assume that value is a container)
writeContainer( stream, (*it).second );
}
}
}
template <class Container>
void resizeContainer( Container& container, size_t size )
{
container.resize( size );
}
template <class T, unsigned long n>
void resizeContainer( std::array<T, n>& a, size_t size )
{
assert( int(size) == int(n) );
}
template <class Container>
void readContainerImpl( std::istream& stream, Container& container, const bool adjustSize )
{
typedef typename Container :: value_type T;
unsigned int dataSize = 0;
readValue( stream, dataSize );
if( adjustSize && dataSize > 0 ) {
resizeContainer( container, dataSize/sizeof(T) );
}
if( dataSize != container.size() * sizeof( T ) )
{
OPM_THROW(std::logic_error,
"Size of stored data and simulation data does not match"
<< dataSize << " " << (container.size() * sizeof( T )) );
}
if( dataSize > 0 ) {
stream.read( (char *) container.data(), dataSize );
}
}
template <class Container>
void readAndResizeContainer( std::istream& stream, Container& container )
{
readContainerImpl( stream, container, true );
}
template <class Container>
void readContainer( std::istream& stream, Container& container )
{
readContainerImpl( stream, container, false );
}
template <class Map>
void readMap( std::istream& stream, Map& m)
{
m.clear();
unsigned int mapEntries = 0;
readValue( stream, mapEntries );
for( unsigned int entry = 0; entry<mapEntries; ++entry )
{
std::pair< typename Map :: key_type, typename Map :: mapped_type > mapEntry;
// read key
readAndResizeContainer( stream, mapEntry.first );
// read values
readContainer( stream, mapEntry.second );
// insert entry into map
m.insert( mapEntry );
}
}
enum { SimulatorStateId = 0,
WellStateId = 1,
BlackoilStateId = 2,
WellStateFullyImplicitBackoilId = 3 };
inline int objectId( const SimulatorState& state ) {
return SimulatorStateId;
}
inline int objectId( const WellState& state ) {
return WellStateId;
}
inline int objectId( const BlackoilState& state ) {
return BlackoilStateId;
}
inline int objectId( const WellStateFullyImplicitBlackoil& state ) {
return WellStateFullyImplicitBackoilId;
}
template <class State>
void checkObjectId( std::istream& in, const State& state )
{
// read id and compare with object
int id = -1;
readValue( in, id );
if( id != objectId( state ) ) {
OPM_THROW(std::logic_error,"backup-restore object type mismatch");
}
}
}
// SimulatorState
inline
std::ostream& operator << (std::ostream& out, const SimulatorState& state )
{
// write id of object to stream
writeValue( out, objectId( state ) );
const int numPhases = state.numPhases();
writeValue( out, numPhases );
// write variables
writeContainer( out, state.pressure() );
writeContainer( out, state.temperature() );
writeContainer( out, state.facepressure() );
writeContainer( out, state.faceflux() );
writeContainer( out, state.saturation() );
return out;
}
inline
std::istream& operator >> (std::istream& in, SimulatorState& state )
{
// check id of stored object
checkObjectId( in, state );
int numPhases = 0;
readValue( in, numPhases );
if( numPhases != state.numPhases() )
OPM_THROW(std::logic_error,"num phases wrong");
// read variables
readContainer( in, state.pressure() );
readContainer( in, state.temperature() );
readContainer( in, state.facepressure() );
readContainer( in, state.faceflux() );
readContainer( in, state.saturation() );
return in;
}
// BlackoilState
inline
std::ostream& operator << (std::ostream& out, const BlackoilState& state )
{
// write id of object to stream
writeValue( out, objectId( state ) );
// backup simulator state
const SimulatorState& simstate = static_cast< const SimulatorState& > (state);
out << simstate;
// backup additional blackoil state variables
writeContainer( out, state.surfacevol() );
writeContainer( out, state.gasoilratio() );
writeContainer( out, state.rv() );
return out;
}
inline
std::istream& operator >> (std::istream& in, BlackoilState& state )
{
// check id of stored object
checkObjectId( in, state );
// restore simulator state
SimulatorState& simstate = static_cast< SimulatorState& > (state);
in >> simstate;
// restore additional blackoil state variables
readContainer( in, state.surfacevol() );
readContainer( in, state.gasoilratio() );
readContainer( in, state.rv() );
return in;
}
// WellState
inline
std::ostream& operator << (std::ostream& out, const WellState& state )
{
// write id of object to stream
writeValue( out, objectId( state ) );
// backup well state
writeContainer( out, state.bhp() );
writeContainer( out, state.temperature() );
writeContainer( out, state.wellRates() );
writeContainer( out, state.perfRates() );
writeContainer( out, state.perfPress() );
return out;
}
inline
std::istream& operator >> (std::istream& in, WellState& state )
{
// check id of stored object
checkObjectId( in, state );
// restore well state
readAndResizeContainer( in, state.bhp() );
readAndResizeContainer( in, state.temperature() );
readAndResizeContainer( in, state.wellRates() );
readAndResizeContainer( in, state.perfRates() );
readAndResizeContainer( in, state.perfPress() );
return in;
}
// WellStateFullyImplicitBlackoil
inline
std::ostream& operator << (std::ostream& out, const WellStateFullyImplicitBlackoil& state )
{
// write id of object to stream
writeValue( out, objectId( state ) );
// backup well state
const WellState& wellState = static_cast< const WellState& > (state);
out << wellState;
const int numWells = state.numWells();
writeValue( out, numWells );
if( numWells > 0 )
{
const int numPhases = state.numPhases();
writeValue( out, numPhases );
// backup additional variables
writeContainer( out, state.perfPhaseRates() );
writeContainer( out, state.currentControls() );
writeMap( out, state.wellMap() );
}
return out;
}
inline
std::istream& operator >> (std::istream& in, WellStateFullyImplicitBlackoil& state )
{
// check id of stored object
checkObjectId( in, state );
// restore well state
WellState& wellState = static_cast< WellState& > (state);
in >> wellState;
int numWells = 0;
readValue( in, numWells );
if( numWells != state.numWells() )
OPM_THROW(std::logic_error,"wrong numWells");
if( numWells > 0 )
{
int numPhases = 0;
readValue( in, numPhases );
if( numPhases != state.numPhases() )
OPM_THROW(std::logic_error,"wrong numPhases");
// restore additional variables
readAndResizeContainer( in, state.perfPhaseRates() );
readAndResizeContainer( in, state.currentControls() );
readMap( in, state.wellMap() );
}
return in;
}
} // namespace Opm
#endif // OPM_BACKUPRESTORE_HEADER_INCLUDED