message_traits.hpp

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#ifndef SRC_EXCHANGER_MESSAGE_TRAITS_HPP_
#define SRC_EXCHANGER_MESSAGE_TRAITS_HPP_
 
// C/C++
#include <string>
 
// canoe
#include <configure.hpp>
 
#ifdef MPI_PARALLEL
#include <mpi.h>
#endif
 
class RadiationBand;
class ParticleData;
class ParticleBase;
 
template <typename T>
struct MessageTraits {
  using DataType = double;
 
  constexpr static int num_buffers = 1;
  constexpr static const char* name = "";
 
#ifdef MPI_PARALLEL
  static MPI_Datatype mpi_type;
#endif
};
 
// Specialization for RadiationBand Exchanger
template <>
struct MessageTraits<RadiationBand> {
  using DataType = Real;
 
  constexpr static int num_buffers = 2;
  constexpr static const char* name = "RadiationBand";
 
#ifdef MPI_PARALLEL
  static MPI_Datatype mpi_type;
#endif  // MPI_PARALLEL
};
 
// Specialization for Particle Exchanger
template <>
struct MessageTraits<ParticleBase> {
  using DataType = ParticleData;
 
  constexpr static int num_buffers = 56;
  constexpr static const char* name = "ParticleBase";
 
#ifdef MPI_PARALLEL
  static MPI_Datatype mpi_type;
#endif  // MPI_PARALLEL
};
 
namespace MessageHelper {
 
extern int mpi_tag_ub;
int create_mpi_tag(int lid, int tid, std::string name);
 
}  // namespace MessageHelper
 
#endif  // SRC_COMMUNICATOR_COMMUNICATOR_HPP_