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rAKA/src/synchronizer/communication_buffer.hh
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communication_buffer.hh
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/**
* @file communication_buffer.hh
*
* @author Guillaume Anciaux <guillaume.anciaux@epfl.ch>
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Fri Jun 18 2010
* @date last modification: Sun Oct 19 2014
*
* @brief Buffer for packing and unpacking data
*
* @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 "aka_array.hh"
#ifndef __AKANTU_COMMUNICATION_BUFFER_HH__
#define __AKANTU_COMMUNICATION_BUFFER_HH__
__BEGIN_AKANTU__
template<bool is_static = true>
class CommunicationBufferTemplated {
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
CommunicationBufferTemplated(UInt size = 0) : buffer(size, 1) {
ptr_pack = buffer.storage();
ptr_unpack = buffer.storage();
};
virtual ~CommunicationBufferTemplated() {};
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
public:
/// reset to "empty"
inline void reset();
/// resize the internal buffer
inline void resize(UInt size);
/// clear buffer context
inline void clear();
private:
inline void packResize(UInt size);
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
public:
inline char * storage() { return buffer.storage(); };
/* ------------------------------------------------------------------------ */
/* Operators */
/* ------------------------------------------------------------------------ */
public:
/// printing tool
template <typename T> inline std::string extractStream(UInt packet_size);
/// packing data
template<typename T>
inline CommunicationBufferTemplated & operator<< (const T & to_pack);
template<typename T>
inline CommunicationBufferTemplated & operator<< (const Vector<T> & to_pack);
template<typename T>
inline CommunicationBufferTemplated & operator<< (const Matrix<T> & to_pack);
template<typename T>
inline CommunicationBufferTemplated & operator<< (const std::vector<T> & to_pack);
/// unpacking data
template<typename T>
inline CommunicationBufferTemplated & operator>> (T & to_unpack);
template<typename T>
inline CommunicationBufferTemplated & operator>> (Vector<T> & to_unpack);
template<typename T>
inline CommunicationBufferTemplated & operator>> (Matrix<T> & to_unpack);
template<typename T>
inline CommunicationBufferTemplated & operator>> (std::vector<T> & to_unpack);
inline CommunicationBufferTemplated & operator<< (const std::string & to_pack);
inline CommunicationBufferTemplated & operator>> (std::string & to_unpack);
private:
template<typename T>
inline void packIterable (T & to_pack);
template<typename T>
inline void unpackIterable (T & to_pack);
/* ------------------------------------------------------------------------ */
/* Accessor */
/* ------------------------------------------------------------------------ */
public:
/// return the size in bytes of the stored values
inline UInt getPackedSize(){ return ptr_pack - buffer.storage(); };
/// return the size in bytes of data left to be unpacked
inline UInt getLeftToUnpack(){ return buffer.getSize() - (ptr_unpack - buffer.storage()); };
/// return the global size allocated
inline UInt getSize(){ return buffer.getSize(); };
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
private:
/// current position for packing
char * ptr_pack;
/// current position for unpacking
char * ptr_unpack;
/// storing buffer
Array<char> buffer;
};
/* -------------------------------------------------------------------------- */
/* inline functions */
/* -------------------------------------------------------------------------- */
#if defined (AKANTU_INCLUDE_INLINE_IMPL)
# include "communication_buffer_inline_impl.cc"
#endif
typedef CommunicationBufferTemplated<true> CommunicationBuffer;
typedef CommunicationBufferTemplated<false> DynamicCommunicationBuffer;
__END_AKANTU__
#endif /* __AKANTU_COMMUNICATION_BUFFER_HH__ */
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