ExecutableSupport.cpp

/*

Copyright (C) University of Oxford, 2005-2010

University of Oxford means the Chancellor, Masters and Scholars of the
University of Oxford, having an administrative office at Wellington
Square, Oxford OX1 2JD, UK.

This file is part of Chaste.

Chaste is free software: you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published
by the Free Software Foundation, either version 2.1 of the License, or
(at your option) any later version.

Chaste is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
License for more details. The offer of Chaste under the terms of the
License is subject to the License being interpreted in accordance with
English Law and subject to any action against the University of Oxford
being under the jurisdiction of the English Courts.

You should have received a copy of the GNU Lesser General Public License
along with Chaste. If not, see <http://www.gnu.org/licenses/>.

*/

#include "ExecutableSupport.hpp"

#include <iostream>

#include "CommandLineArguments.hpp"
#include "Exception.hpp"
#include "PetscTools.hpp"
#include "PetscException.hpp"
#include "Version.hpp"
#include "OutputFileHandler.hpp"
#include <sys/utsname.h>

#include "ChasteSerialization.hpp"
#include <hdf5.h>

#ifdef CHASTE_VTK
#define _BACKWARD_BACKWARD_WARNING_H 1 //Cut out the strstream deprecated warning for now (gcc4.3)
#include <vtkVersion.h>
#endif

#ifdef CHASTE_CVODE
#include <sundials/sundials_config.h>
#endif
//#include <xsd/cxx/version.hxx>

std::string ExecutableSupport::mOutputDirectory;

void ExecutableSupport::SetOutputDirectory(const std::string& rOutputDirectory)
{
    mOutputDirectory = rOutputDirectory;
}

void ExecutableSupport::InitializePetsc(int* pArgc, char*** pArgv)
{
    // Store the arguments in case other code needs them
    CommandLineArguments::Instance()->p_argc = pArgc;
    CommandLineArguments::Instance()->p_argv = pArgv;
    // Initialise PETSc
    PETSCEXCEPT(PetscInitialize(pArgc, pArgv, PETSC_NULL, PETSC_NULL));
}

void ExecutableSupport::ShowCopyright()
{
    //Compilation information
    std::stringstream provenance_msg;
    provenance_msg << "This version of Chaste was compiled on:\n";
    provenance_msg << ChasteBuildInfo::GetBuildTime() << " by " << ChasteBuildInfo::GetBuilderUnameInfo() << " (uname)\n";
    provenance_msg << "from revision number " << ChasteBuildInfo::GetRevisionNumber() << " with build type " << ChasteBuildInfo::GetBuildInformation() << ".\n\n";

    //Only show one copy of copyright/header
    if (PetscTools::AmMaster())
    {
        std::cout << "Copyright (C) University of Oxford, 2005-2010 \n\n\
\
Chaste is free software: you can redistribute it and/or modify \n\
it under the terms of the Lesser GNU General Public License as published by \n\
the Free Software Foundation, either version 2.1 of the License, or \n\
(at your option) any later version. \n\n\
\
Chaste is distributed in the hope that it will be useful, \n\
but WITHOUT ANY WARRANTY; without even the implied warranty of \n\
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the \n\
Lesser GNU General Public License for more details. \n\n\
\
You should have received a copy of the Lesser GNU General Public License \n\
along with Chaste.  If not, see <http://www.gnu.org/licenses/>.\n\n";

        //Write provenance information to stdout
        std::cout << provenance_msg.str() << std::flush;
    }
}

void ExecutableSupport::ShowParallelLaunching()
{
    if (!PetscTools::IsSequential())
    {
        for (unsigned i=0; i<PetscTools::GetNumProcs(); i++)
        {
            if (i==PetscTools::GetMyRank())
            {
                std::cout << "Chaste launched on process " << PetscTools::GetMyRank()
                    << " of " << PetscTools::GetNumProcs() << "." << std::endl << std::flush;
            }
            PetscTools::Barrier();
        }
    }
}

void ExecutableSupport::WriteMachineInfoFile(std::string fileBaseName)
{
    OutputFileHandler out_file_handler(mOutputDirectory, false);
    std::stringstream file_name;
    file_name << fileBaseName << "_" << PetscTools::GetMyRank() << ".txt";
    out_stream out_file = out_file_handler.OpenOutputFile(file_name.str());
    *out_file << "Process " << PetscTools::GetMyRank() << " of "
        << PetscTools::GetNumProcs() << "." << std::endl << std::flush;

    struct utsname uts_info;
    uname(&uts_info);

    *out_file << "uname sysname  = " << uts_info.sysname << std::endl << std::flush;
    *out_file << "uname nodename = " << uts_info.nodename << std::endl << std::flush;
    *out_file << "uname release  = " << uts_info.release << std::endl << std::flush;
    *out_file << "uname version  = " << uts_info.version << std::endl << std::flush;
    *out_file << "uname machine  = " << uts_info.machine << std::endl << std::flush;
    char buffer[100];
    FILE * system_info;

    *out_file << "\nInformation on number and type of processors:\n";
    system_info = popen("grep ^model.name /proc/cpuinfo", "r");
    while ( fgets(buffer, 100, system_info) != NULL )
    {
        *out_file << buffer;
    }
    fclose(system_info);

    *out_file << "\nInformation on processor caches, in the same order as above:\n";
    system_info = popen("grep ^cache.size /proc/cpuinfo", "r");
    while ( fgets(buffer, 100, system_info) != NULL )
    {
        *out_file << buffer;
    }
    fclose(system_info);

    *out_file << "\nInformation on system memory:\n";
    system_info = popen("grep ^MemTotal /proc/meminfo", "r");
    while ( fgets(buffer, 100, system_info) != NULL )
    {
        *out_file << buffer;
    }
    fclose(system_info);

    out_file->close();
}

void ExecutableSupport::WriteProvenanceInfoFile()
{
    OutputFileHandler out_file_handler(mOutputDirectory, false);
    out_stream out_file = out_file_handler.OpenOutputFile("provenance_info_", PetscTools::GetMyRank(), ".txt");

    //Compilation information
    std::stringstream provenance_msg;
    provenance_msg << "This version of Chaste was compiled on:\n";
    provenance_msg << ChasteBuildInfo::GetBuildTime() << " by " << ChasteBuildInfo::GetBuilderUnameInfo() << " (uname)\n";
    provenance_msg << "from revision number " << ChasteBuildInfo::GetRevisionNumber() << " with build type " << ChasteBuildInfo::GetBuildInformation() << ".\n\n";
    *out_file << provenance_msg.str();

    WriteLibraryInfo( out_file );

    out_file->close();
}

void ExecutableSupport::WriteLibraryInfo( out_stream &outFile )
{
    *outFile << "Compiler: " << ChasteBuildInfo::GetCompilerType()
             << ", version " << ChasteBuildInfo::GetCompilerVersion() << std::endl;

    *outFile << "Compiler flags \"" << ChasteBuildInfo::GetCompilerFlags() << "\"" << std::endl;

    *outFile << std::endl;
    *outFile << "Library versions: " << std::endl;
    *outFile << "  PETSc: " << PETSC_VERSION_MAJOR << "." << PETSC_VERSION_MINOR << "." << PETSC_VERSION_SUBMINOR << std::endl;
    *outFile << "  Boost: " << BOOST_VERSION  / 100000 << "." << BOOST_VERSION / 100 % 1000 << "." << BOOST_VERSION % 100 << std::endl;
    *outFile << "  HDF5: " << H5_VERS_MAJOR <<  "." << H5_VERS_MINOR << "." << H5_VERS_RELEASE << std::endl;

    *outFile << std::endl;
    *outFile << "Binary versions: " << std::endl;
    *outFile << "  XSD: " <<  ChasteBuildInfo::GetXsdVersion() << std::endl;

    *outFile << std::endl;
    *outFile << "Includes support for: " << std::endl;

#ifdef CHASTE_VTK
    *outFile << "  VTK: " << VTK_MAJOR_VERSION << "." << VTK_MINOR_VERSION << std::endl;
#else
    *outFile << "  VTK: no" << std::endl;
#endif

#ifdef CHASTE_CVODE
    *outFile << "  SUNDIALS: " << SUNDIALS_PACKAGE_VERSION << " (includes Cvode of a different version number)" << std::endl;
#else
    *outFile << "  SUNDIALS: no" << std::endl;
#endif

#ifdef CHASTE_ADAPTIVITY
    *outFile << "  Adaptivity: yes" << std::endl;
#else
    *outFile << "  Adaptivity: no" << std::endl;
#endif

}

void ExecutableSupport::StandardStartup(int* pArgc, char*** pArgv)
{
    InitializePetsc(pArgc, pArgv);
    ShowCopyright();
    ShowParallelLaunching();
}

void ExecutableSupport::PrintError(const std::string& rMessage, bool masterOnly)
{
    if (!masterOnly || PetscTools::AmMaster())
    {
        // Write the error message to stderr
        std::cerr << rMessage << std::endl;
    }

    // Write the error message to file
    OutputFileHandler out_file_handler(mOutputDirectory, false);
    out_stream out_file = out_file_handler.OpenOutputFile("chaste_errors_", PetscTools::GetMyRank(), ".txt", std::ios::out | std::ios::app);
    *out_file << rMessage << std::endl;
    out_file->close();
}

void ExecutableSupport::FinalizePetsc()
{
    PetscFinalize();
}

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