opm-simulators/opm/simulators/utils/ParallelFileMerger.cpp

114 lines
3.6 KiB
C++

/*
Copyright 2016 Dr. Blatt - HPC-Simulation-Software & Services
Copyright 2016 STATOIL AS.
This file is part of the Open Porous Media project (OPM).
OPM is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OPM 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with OPM. If not, see <http://www.gnu.org/licenses/>.
*/
#include <opm/simulators/utils/ParallelFileMerger.hpp>
#include <iostream>
namespace Opm
{
namespace detail
{
ParallelFileMerger::ParallelFileMerger(const fs::path& output_dir,
const std::string& deckname,
bool show_fallout)
: debugFileRegex_(deckname+"\\.\\d+\\.DBG"),
logFileRegex_(deckname+"\\.\\d+\\.PRT"),
fileWarningRegex_(deckname+"\\.(\\d+)\\.[^.]+"),
show_fallout_(show_fallout)
{
if ( show_fallout_ )
{
auto debugPath = output_dir;
debugPath /= (deckname + ".DBG");
debugStream_.reset(new std::ofstream(debugPath,
std::ofstream::app));
auto logPath = output_dir;
logPath /= ( deckname + ".PRT");
logStream_.reset(new std::ofstream(logPath,
std::ofstream::app));
}
}
void ParallelFileMerger::operator()(const fs::path& file)
{
std::smatch matches;
std::string filename = file.filename().native();
if ( std::regex_match(filename, matches, fileWarningRegex_) )
{
std::string rank = std::regex_replace(filename, fileWarningRegex_, "$1");
if( std::regex_match(filename, logFileRegex_) )
{
if ( show_fallout_ ){
appendFile(*logStream_, file, rank);
}else{
fs::remove(file);
}
}
else
{
if (std::regex_match(filename, debugFileRegex_) )
{
if ( show_fallout_ ){
appendFile(*debugStream_, file, rank);
}else{
fs::remove(file);
}
}
else
{
if ( show_fallout_ ){
std::cerr << "WARNING: Unrecognized file with name "
<< filename
<< " that might stem from a parallel run."
<< std::endl;
}
}
}
}
}
void ParallelFileMerger::appendFile(std::ofstream& of, const fs::path& file, const std::string& rank)
{
if( fs::file_size(file) )
{
std::cerr << "WARNING: There has been logging to file "
<< file.string() <<" by process "
<< rank << std::endl;
std::ifstream in(file);
of<<std::endl<< std::endl;
of<<"=======================================================";
of<<std::endl<<std::endl;
of << " Output written by rank " << rank << " to file " << file.string();
of << ":" << std::endl << std::endl;
of << in.rdbuf() << std::endl << std::endl;
of << "======================== end output =====================";
of << std::endl;
in.close();
}
fs::remove(file);
}
} // end namespace detail
} // end namespace Opm