helloBPReader.cpp

/*
 * helloWriter.cpp
 *
 *  Created on: Feb 16, 2017
 *      Author: wfg
 */

#include <iostream>
#include <vector>

#include <mpi.h>

#include "ADIOS_CPP.h"

int main(int argc, char *argv[])
{
  MPI_Init(&argc, &argv);
  int rank;
  MPI_Comm_rank(MPI_COMM_WORLD, &rank);
  const bool adiosDebug = true;
  adios::ADIOS adios(MPI_COMM_WORLD, adiosDebug);

  try
  {
    // Define method for engine creation, it is basically straight-forward
    // parameters
    adios::Method &bpReaderSettings =
        adios.DeclareMethod("SingleFile"); // default method type is BPWriter
    bpReaderSettings.AddTransport("File"); // uses default POSIX library

    // Create engine smart pointer due to polymorphism,
    // Open returns a smart pointer to Engine containing the Derived class
    // Writer
    auto bpReader = adios.Open("myDoubles_nompi.bp", "r", bpReaderSettings);

    if (bpReader == nullptr)
      throw std::ios_base::failure("ERROR: couldn't create bpReader at Open\n");
  }
  catch (std::invalid_argument &e)
  {
    if (rank == 0)
    {
      std::cout << "Invalid argument exception, STOPPING PROGRAM\n";
      std::cout << e.what() << "\n";
    }
  }
  catch (std::ios_base::failure &e)
  {
    if (rank == 0)
    {
      std::cout << "System exception, STOPPING PROGRAM\n";
      std::cout << e.what() << "\n";
    }
  }
  catch (std::exception &e)
  {
    if (rank == 0)
    {
      std::cout << "Exception, STOPPING PROGRAM\n";
      std::cout << e.what() << "\n";
    }
  }

  MPI_Finalize();

  return 0;
}