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/*=========================================================================
Program: Visualization Toolkit
Module: ADIOSWriter.h
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
// .NAME ADIOSWriter - The utility class performing ADIOS Write operations
#ifndef _ADIOSWriter_h
#define _ADIOSWriter_h
#include <limits>
#include <sstream>
#include <stdexcept>
#include <string>
#include <vector>
#include <adios_mpi.h>
#include "ADIOSDefs.h"
#include "ADIOSUtilities.h"
namespace ADIOS
{
// An array dimension as either a string or integer
struct ArrayDim
{
ArrayDim(size_t i) : ValueI(i), ValueS("") { }
ArrayDim(const std::string& var) : ValueI(0), ValueS(var) { }
size_t ValueI;
std::string ValueS;
};
class Writer
{
public:
static bool SetCommunicator(MPI_Comm);
public:
Writer(ADIOS::TransportMethod transport, const std::string& transportArgs);
~Writer();
// Description:
// Define scalar attributes
template<typename TN>
void DefineAttribute(const std::string& path, const TN& value)
{
std::stringstream ss;
ss << value;
this->DefineAttribute(path, Type::NativeToADIOS<TN>(), ss.str());
}
// Description:
// Define scalars for later writing
template<typename TN>
int DefineScalar(const std::string& path)
{
return this->DefineScalar(path, Type::NativeToADIOS<TN>());
}
// Define an array for later writing
template<typename TN>
int DefineLocalArray(const std::string& path,
const std::vector<ArrayDim>& dims, Transform xfm = Transform_NONE)
{
return this->DefineLocalArray(path, Type::NativeToADIOS<TN>(), dims, xfm);
}
int DefineLocalArray(const std::string& path, ADIOS_DATATYPES adiosType,
const std::vector<ArrayDim>& dims, Transform xfm = Transform_NONE);
// Description:
// Enqueue a scalar for writing
template<typename TN>
void WriteScalar(const std::string& path, const TN& val)
{
this->WriteScalar(path, Type::NativeToADIOS<TN>(), &val);
}
void WriteScalar(const std::string& path, ADIOS_DATATYPES adiosType,
const void* val);
// Description:
// Enqueue an array for writing
void WriteArray(const std::string& path, const void* val);
// Description:
// Perform all writes for the current time step
void Commit(const std::string& fileName, bool append = false);
private:
struct InitContext;
InitContext *Ctx;
struct WriterImpl;
WriterImpl *Impl;
void DefineAttribute(const std::string& path, ADIOS_DATATYPES adiosType,
const std::string& value);
int DefineScalar(const std::string& path, ADIOS_DATATYPES adiosType);
};
}
#endif // _ADIOSWriter_h
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