ft_endpoint_adios.h

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/*
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Software to reproduce, distribute copies to the public, prepare derivative 
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*/
 
#ifndef END_POINT_ADIOS_H
#define END_POINT_ADIOS_H
 
#include "ft_type.h"
#include "ft_endpoint.h"
#include <string>
#include <iostream>
#include <vector>
#include <math.h>
 
//#define HAS_ADIOS_END_POINT 1
 
#ifdef HAS_ADIOS_END_POINT
 
#include <adios2_c.h>
class EndpointADIOS : public Endpoint
{
private:
    std::string fn_str, vn_str; //file name and variable name
    adios2_type adios2_data_element_type;
    //adios2_variable *v;
    std::vector<size_t> adios_shape, adios_start, adios_count;
 
    adios2_adios *adios;
    adios2_io *rw_io;
    adios2_variable *rw_variable;
    adios2_engine *rw_engine;
 
public:
    EndpointADIOS(std::string endpoint_info_p)
    {
        endpoint_info = endpoint_info_p;
        ParseEndpointInfo();
 
        adios = adios2_init(MPI_COMM_WORLD, adios2_debug_mode_on);
        if (adios == NULL)
        {
            printf("ERROR: invalid %s handler at line %d  \n", "adios2_init", __LINE__);
            exit(EXIT_FAILURE);
        }
 
        rw_io = adios2_declare_io(adios, "SomeName");
        if (rw_io == NULL)
        {
            printf("ERROR: invalid %s handler at line %d  \n", "adios2_declare_io", __LINE__);
            exit(EXIT_FAILURE);
        }
 
        //std::cout << "Init done \n";
        SetOpenFlag(false);
        SetCreateFlag(false);
    }
    ~EndpointADIOS()
    {
        Close();
        adios2_finalize(adios);
        //std::cout << "Close done \n";
    }
    int ExtractMeta() override;
    int PrintInfo() override;
 
    int Create() override;
 
    int Open() override;
 
    int Read(std::vector<unsigned long long> start, std::vector<unsigned long long> end, void *data) override;
 
    int Write(std::vector<unsigned long long> start, std::vector<unsigned long long> end, void *data) override;
 
    int Close() override;
 
    void Map2MyType() override;
 
    int ParseEndpointInfo() override;
};
#else
class EndpointADIOS : public Endpoint
{
private:
public:
    EndpointADIOS(std::string endpoint_info_p)
    {
        std::cout << "EndpointADIOS is not configured and compiled ! \n";
        AU_EXIT(-1);
    }
    ~EndpointADIOS()
    {
        Close();
    }
 
    int ParseEndpointInfo() override
    {
        return -1;
    }
 
    int ExtractMeta() override
    {
        return -1;
    }
 
    int PrintInfo() override
    {
        return -1;
    }
 
    int Create() override
    {
        return -1;
    }
 
    int Open() override
    {
        return -1;
    }
 
    void Map2MyType() override
    {
    }
 
    int Read(std::vector<unsigned long long> start, std::vector<unsigned long long> end, void *data) override
    {
        return -1;
    }
 
    int Write(std::vector<unsigned long long> start, std::vector<unsigned long long> end, void *data) override
    {
        return -1;
    }
 
    int Close() override
    {
        return -1;
    }
};
#endif
#endif