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78 lines
2.5 KiB
C++
78 lines
2.5 KiB
C++
/*
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Copyright 2016 Dr. Blatt - HPC-Simulation-Software & Services
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Copyright 2016 STATOIL AS.
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This file is part of the Open Porous Media project (OPM).
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OPM is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OPM is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OPM. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef OPM_PARALLELFILEMERGER_HEADER_INCLUDED
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#define OPM_PARALLELFILEMERGER_HEADER_INCLUDED
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#include <filesystem>
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#include <iosfwd>
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#include <memory>
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#include <regex>
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#include <string>
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namespace Opm {
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namespace detail {
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namespace fs = ::std::filesystem;
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/// \brief A functor that merges multiple files of a parallel run to one file.
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///
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/// Without care multiple processes might log messages in a parallel run.
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/// Non-root processes will do that to seperate files
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/// <basename>.<rank>.<extension. This functor will append those file
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/// to usual ones and delete the other files.
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class ParallelFileMerger
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{
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public:
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/// \brief Constructor
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/// \param output_dir The output directory to use for reading/Writing.
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/// \param deckname The name of the deck.
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ParallelFileMerger(const fs::path& output_dir,
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const std::string& deckname,
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bool show_fallout = false);
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void operator()(const fs::path& file);
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private:
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/// \brief Append contents of a file to a stream
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/// \brief of The output stream to use.
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/// \brief file The file whose content to append.
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/// \brief rank The rank that wrote the file.
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void appendFile(std::ofstream& of, const fs::path& file, const std::string& rank);
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/// \brief Regex to capture *.DBG
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std::regex debugFileRegex_;
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/// \brief Regex to capture *.PRT
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std::regex logFileRegex_;
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/// \brief Regex to capture CASENAME.[0-9]+.[A-Z]+
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std::regex fileWarningRegex_;
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/// \brief Stream to *.DBG file
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std::unique_ptr<std::ofstream> debugStream_;
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/// \brief Stream to *.PRT file
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std::unique_ptr<std::ofstream> logStream_;
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/// \brief Whether to show any logging fallout
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bool show_fallout_;
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};
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} // end namespace detail
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} // end namespace Opm
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#endif // end header guard
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