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/*
* Distributed under the OSI-approved Apache License, Version 2.0. See
* accompanying file Copyright.txt for details.
*
* examplePluginEngineWrite.cpp example showing how to use ExampleWritePlugin
* engine
*
* Created on: July 5, 2021
* Author: Caitlin Ross <caitlin.ross@kitware.com>
*/
#include <ios> //std::ios_base::failure
#include <iostream> //std::cout
#include <stdexcept> //std::invalid_argument std::exception
#include <vector>
#include "adios2.h"
int main(int argc, char *argv[])
{
std::string config;
if (argc > 1)
{
config = std::string(argv[1]);
}
/** Application variable */
std::vector<float> myFloats = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
const std::size_t Nx = myFloats.size();
bool success = false;
try
{
/** ADIOS class factory of IO class objects */
adios2::ADIOS adios(config);
/*** IO class object: settings and factory of Settings: Variables,
* Parameters, Transports, and Execution: Engines */
adios2::IO io = adios.DeclareIO("writer");
/** global array: name, { shape (total dimensions) }, { start (local) },
* { count (local) }, all are constant dimensions */
adios2::Variable<float> var =
io.DefineVariable<float>("data", {}, {}, {Nx}, adios2::ConstantDims);
if (config.empty())
{
io.SetEngine("Plugin");
adios2::Params params;
params["PluginName"] = "WritePlugin";
params["PluginLibrary"] = "PluginEngineWrite";
params["verbose"] = "5";
io.SetParameters(params);
}
adios2::Engine writer = io.Open("TestPlugin", adios2::Mode::Write);
// test streaming
for (int i = 0; i < 2; i++)
{
if (i == 1)
{
for (auto &num : myFloats)
{
num *= 2;
}
}
writer.BeginStep();
writer.Put<float>(var, myFloats.data());
writer.EndStep();
}
/** Engine becomes unreachable after this*/
writer.Close();
success = true;
}
catch (std::invalid_argument &e)
{
std::cout << "Invalid argument exception, STOPPING PROGRAM\n";
std::cout << e.what() << "\n";
}
catch (std::ios_base::failure &e)
{
std::cout << "IO System base failure exception, STOPPING PROGRAM\n";
std::cout << e.what() << "\n";
}
catch (std::exception &e)
{
std::cout << "Exception, STOPPING PROGRAM from rank\n";
std::cout << e.what() << "\n";
}
return success ? EXIT_SUCCESS : EXIT_FAILURE;
}
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