opm-simulators/opm/simulators/flow/ReservoirCouplingSlave.cpp
2025-01-17 22:04:17 +01:00

68 lines
2.3 KiB
C++

/*
Copyright 2024 Equinor 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 <config.h>
#include <opm/simulators/flow/ReservoirCoupling.hpp>
#include <opm/simulators/flow/ReservoirCouplingSlave.hpp>
#include <opm/input/eclipse/Schedule/ResCoup/ReservoirCouplingInfo.hpp>
#include <opm/input/eclipse/Schedule/ResCoup/MasterGroup.hpp>
#include <opm/input/eclipse/Schedule/ResCoup/Slaves.hpp>
#include <opm/common/ErrorMacros.hpp>
#include <opm/simulators/utils/ParallelCommunication.hpp>
#include <vector>
namespace Opm {
ReservoirCouplingSlave::ReservoirCouplingSlave(
const Parallel::Communication &comm,
const Schedule &schedule
) :
comm_{comm},
schedule_{schedule}
{
this->slave_master_comm_ = MPI_Comm_Ptr(new MPI_Comm(MPI_COMM_NULL));
MPI_Comm_get_parent(this->slave_master_comm_.get());
if (*(this->slave_master_comm_) == MPI_COMM_NULL) {
OPM_THROW(std::runtime_error, "Slave process is not spawned by a master process");
}
}
void ReservoirCouplingSlave::sendSimulationStartDateToMasterProcess() {
if (this->comm_.rank() == 0) {
// Ensure that std::time_t is of type long since we are sending it over MPI with MPI_LONG
static_assert(std::is_same<std::time_t, long>::value, "std::time_t is not of type long");
std::time_t start_date = this->schedule_.getStartTime();
MPI_Send(
&start_date,
/*count=*/1,
/*datatype=*/MPI_LONG,
/*dest_rank=*/0,
/*tag=*/static_cast<int>(MessageTag::SimulationStartDate),
*this->slave_master_comm_
);
OpmLog::info("Sent simulation start date to master process from rank 0");
}
}
} // namespace Opm