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wgodoy authored
Checking std::ios_base::failure exceptions IOChrono is off by default, each owner turns it on explicitly Modified FileDescriptor and FilePointer destructors Added Tests BPWriteRead for stdio and fstream Removed IO AddTransport with vector (shoud have been there?) to enable AddTransport in Tests
wgodoy authoredChecking std::ios_base::failure exceptions IOChrono is off by default, each owner turns it on explicitly Modified FileDescriptor and FilePointer destructors Added Tests BPWriteRead for stdio and fstream Removed IO AddTransport with vector (shoud have been there?) to enable AddTransport in Tests
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helloBPWriter_nompi.cpp 2.24 KiB
/*
* Distributed under the OSI-approved Apache License, Version 2.0. See
* accompanying file Copyright.txt for details.
*
* helloBPWriter_nompi.cpp sequential non-mpi version of helloBPWriter
*
* Created on: Jan 9, 2017
* Author: William F Godoy godoywf@ornl.gov
*/
#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[])
{
/** Application variable */
std::vector<float> myFloats = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
const std::size_t Nx = myFloats.size();
try
{
/** ADIOS class factory of IO class objects, DebugON is recommended */
adios2::ADIOS adios(adios2::DebugON);
/*** IO class object: settings and factory of Settings: Variables,
* Parameters, Transports, and Execution: Engines */
adios2::IO &bpIO = adios.DeclareIO("BPFile_N2N");
bpIO.AddTransport("File", {{"Library", "stdio"}});
/** global array: name, { shape (total dimensions) }, { start (local) },
* { count (local) }, all are constant dimensions */
adios2::Variable<float> &bpFloats = bpIO.DefineVariable<float>(
"bpFloats", {}, {}, {Nx}, adios2::ConstantDims);
/** Engine derived class, spawned to start IO operations */
auto bpWriter = bpIO.Open("myVector.bp", adios2::OpenMode::Write);
if (!bpWriter)
{
throw std::ios_base::failure(
"ERROR: bpWriter not created at Open\n");
}
/** Write variable for buffering */
bpWriter->Write<float>(bpFloats, myFloats.data());
/** Create bp file, engine becomes unreachable after this*/
bpWriter->Close();
}
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 0;}