ReservoirCoupling.hpp

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/*
  Copyright 2024 Equinor ASA
 
  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/>.
*/
 
#ifndef OPM_RESERVOIR_COUPLING_HPP
#define OPM_RESERVOIR_COUPLING_HPP
#include <opm/simulators/utils/DeferredLogger.hpp>
 
#include <dune/common/parallel/mpitraits.hh>
 
#include <mpi.h>
#include <cmath>
#include <iostream>
#include <memory>
#include <vector>
 
namespace Opm {
namespace ReservoirCoupling {
 
class Logger {
public:
    Logger() = default;
    void clearDeferredLogger() { deferred_logger_ = nullptr; }
    bool haveDeferredLogger() const { return deferred_logger_ != nullptr; }
    void info(const std::string &msg) const;
    void setDeferredLogger(DeferredLogger *deferred_logger) { deferred_logger_ = deferred_logger; }
 
private:
    DeferredLogger *deferred_logger_ = nullptr;
};
 
enum class MessageTag : int {
    MasterGroupNames,
    MasterGroupNamesSize,
    Potentials,
    PotentialsSize,
    SlaveSimulationStartDate,
    SlaveActivationDate,
    SlaveActivationHandshake,
    SlaveProcessTermination,
    SlaveName,
    SlaveNameSize,
    SlaveNextReportDate,
    SlaveNextTimeStep,
};
 
// Used to communicate potentials for oil, gas, and water rates between slave and master processes
struct Potentials {
    enum class Phase : std::size_t { Oil = 0, Gas, Water, Count };
 
    std::array<double, static_cast<std::size_t>(Phase::Count)> rate{};
 
    [[nodiscard]] double& operator[](Phase p)       noexcept { return rate[static_cast<std::size_t>(p)]; }
    [[nodiscard]] double  operator[](Phase p) const noexcept { return rate[static_cast<std::size_t>(p)]; }
};
 
 
// Helper functions
void custom_error_handler_(MPI_Comm* comm, int* err, const std::string &msg);
void setErrhandler(MPI_Comm comm, bool is_master);
std::pair<std::vector<char>, std::size_t> serializeStrings(const std::vector<std::string>& data);
 
struct Seconds {
    static constexpr double abstol = 1e-15;
 
    static constexpr double reltol = 1e-15;
 
    static bool compare_eq(double a, double b);
 
    static bool compare_gt(double a, double b);
 
    static bool compare_gt_or_eq(double a, double b);
 
    static bool compare_lt(double a, double b);
 
    static bool compare_lt_or_eq(double a, double b);
};
 
} // namespace ReservoirCoupling
} // namespace Opm
 
#endif // OPM_RESERVOIR_COUPLING_HPP