MPICommunication.hpp

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#ifndef PRECICE_NO_MPI
 
#pragma once
 
#include <mpi.h>
#include <string>
 
#include "com/Communication.hpp"
#include "com/SharedPointer.hpp"
#include "logging/Logger.hpp"
#include "precice/impl/Types.hpp"
 
namespace precice::com {
class MPICommunication : public ::precice::com::Communication {
public:
  MPICommunication();

  ~MPICommunication() override = default;

  void send(std::string const &itemToSend, Rank rankReceiver) override;

  void send(precice::span<const int> itemsToSend, Rank rankReceiver) override;

  PtrRequest aSend(precice::span<const int> itemsToSend, Rank rankReceiver) override;

  void send(precice::span<const double> itemsToSend, Rank rankReceiver) override;

  PtrRequest aSend(precice::span<const double> itemsToSend, Rank rankReceiver) override;

  void send(double itemToSend, Rank rankReceiver) override;

  PtrRequest aSend(const double &itemToSend, Rank rankReceiver) override;

  void send(int itemToSend, Rank rankReceiver) override;

  PtrRequest aSend(const int &itemToSend, Rank rankReceiver) override;

  void send(bool itemToSend, Rank rankReceiver) override;

  PtrRequest aSend(const bool &itemToSend, Rank rankReceiver) override;

  void receive(std::string &itemToReceive, Rank rankSender) override;

  void receive(precice::span<int> itemsToReceive, Rank rankSender) override;

  void receive(precice::span<double> itemsToReceive, Rank rankSender) override;

  PtrRequest aReceive(precice::span<double> itemsToReceive, int rankSender) override;

  void receive(double &itemToReceive, Rank rankSender) override;

  PtrRequest aReceive(double &itemToReceive, Rank rankSender) override;

  void receive(int &itemToReceive, Rank rankSender) override;

  PtrRequest aReceive(int &itemToReceive, Rank rankSender) override;

  void receive(bool &itemToReceive, Rank rankSender) override;

  PtrRequest aReceive(bool &itemToReceive, Rank rankSender) override;
 
protected:
  virtual MPI_Comm &communicator(Rank rank) = 0;
 
  virtual Rank rank(int rank) = 0;
 
private:
  logging::Logger _log{"com::MPICommunication"};
};
} // namespace precice::com
 
#endif // not PRECICE_NO_MPI