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rAKA/src/synchronizer/real_static_communicator.hh
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real_static_communicator.hh
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/**
* @file real_static_communicator.hh
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Mon Jun 14 2010
* @date last modification: Wed Jan 13 2016
*
* @brief empty class just for inheritance
*
* @section LICENSE
*
* Copyright (©) 2010-2012, 2014, 2015 EPFL (Ecole Polytechnique Fédérale de
* Lausanne) Laboratory (LSMS - Laboratoire de Simulation en Mécanique des
* Solides)
*
* Akantu is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* Akantu 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 Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Akantu. If not, see <http://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#include "aka_common.hh"
/* -------------------------------------------------------------------------- */
#include <memory>
/* -------------------------------------------------------------------------- */
#ifndef __AKANTU_REAL_STATIC_COMMUNICATOR_HH__
#define __AKANTU_REAL_STATIC_COMMUNICATOR_HH__
namespace akantu {
/* -------------------------------------------------------------------------- */
class InternalCommunicationRequest {
public:
InternalCommunicationRequest(UInt source, UInt dest);
virtual ~InternalCommunicationRequest();
virtual void printself(std::ostream & stream, int indent = 0) const;
AKANTU_GET_MACRO(Source, source, UInt);
AKANTU_GET_MACRO(Destination, destination, UInt);
private:
UInt source;
UInt destination;
UInt id;
static UInt counter;
};
/* -------------------------------------------------------------------------- */
class CommunicationRequest {
public:
CommunicationRequest(
std::shared_ptr<InternalCommunicationRequest> request = nullptr)
: request(std::move(request)) {}
virtual void free() { request.reset(); }
void printself(std::ostream & stream, int indent = 0) const {
request->printself(stream, indent);
};
UInt getSource() const { return request->getSource(); }
UInt getDestination() const { return request->getDestination(); }
bool isFreed() const { return request.get() == nullptr; }
InternalCommunicationRequest & getInternal() { return *request; }
private:
std::shared_ptr<InternalCommunicationRequest> request;
};
/* -------------------------------------------------------------------------- */
class CommunicationStatus {
public:
AKANTU_GET_MACRO(Source, source, Int);
UInt size() const { return size_; }
AKANTU_GET_MACRO(Tag, tag, Int);
AKANTU_SET_MACRO(Source, source, Int);
AKANTU_SET_MACRO(Size, size_, UInt);
AKANTU_SET_MACRO(Tag, tag, Int);
private:
Int source{0};
UInt size_{0};
Int tag{0};
};
/* -------------------------------------------------------------------------- */
/// Datatype to pack pairs for MPI_{MIN,MAX}LOC
template <typename T1, typename T2> struct SCMinMaxLoc {
T1 min_max;
T2 loc;
};
/* -------------------------------------------------------------------------- */
class StaticCommunicator;
/* -------------------------------------------------------------------------- */
class RealStaticCommunicator {
public:
RealStaticCommunicator(__attribute__((unused)) int & argc,
__attribute__((unused)) char **& argv) {
prank = -1;
psize = -1;
};
virtual ~RealStaticCommunicator(){};
friend class StaticCommunicator;
Int getNbProc() { return this->psize; }
Int whoAmI() { return this->prank; }
protected:
Int prank;
Int psize;
};
} // akantu
#endif /* __AKANTU_REAL_STATIC_COMMUNICATOR_HH__ */
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