Last change
on this file since 1547 was
1547,
checked in by ymipsl, 6 years ago
|
New communication protocol between clients and servers, using hybrid mode of p2p mixt with one_sided communication in order to avoid dead-locking. The constraint of the maximum number of event that can be bufferized on client side is released.
Dev branch is created to be tested before merging.
YM
|
-
Property copyright set to
Software name : XIOS (Xml I/O Server) http://forge.ipsl.jussieu.fr/ioserver Creation date : January 2009 Licence : CeCCIL version2 see license file in root directory : Licence_CeCILL_V2-en.txt or http://www.cecill.info/licences/Licence_CeCILL_V2-en.html Holder : CEA/LSCE (Laboratoire des Sciences du CLimat et de l'Environnement) CNRS/IPSL (Institut Pierre Simon Laplace) Project Manager : Yann Meurdesoif yann.meurdesoif@cea.fr
|
File size:
924 bytes
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Rev | Line | |
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[300] | 1 | #ifndef __BUFFER_SERVER_HPP__ |
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| 2 | #define __BUFFER_SERVER_HPP__ |
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| 3 | |
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[591] | 4 | #include "xios_spl.hpp" |
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[342] | 5 | #include "buffer.hpp" |
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[382] | 6 | #include "mpi.hpp" |
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[509] | 7 | #include "cxios.hpp" |
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[300] | 8 | |
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[335] | 9 | namespace xios |
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[300] | 10 | { |
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| 11 | class CServerBuffer |
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| 12 | { |
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| 13 | public: |
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[717] | 14 | CServerBuffer(StdSize bufSize) ; |
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| 15 | ~CServerBuffer() ; |
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[509] | 16 | |
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[717] | 17 | bool isBufferFree(size_t count) ; |
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| 18 | void* getBuffer(size_t count) ; |
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| 19 | void freeBuffer(size_t count) ; |
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[1547] | 20 | void createWindows(MPI_Comm oneSidedComm) ; |
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| 21 | bool freeWindows(void) ; |
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| 22 | bool getBufferFromClient(size_t timeLine, char* & buffer, size_t& count) ; |
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| 23 | bool isBufferEmpty(void) ; |
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| 24 | void updateCurrentWindows(void) ; |
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[717] | 25 | private: |
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| 26 | char* buffer; |
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| 27 | size_t first; // first occupied element |
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| 28 | size_t current; // first free element |
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| 29 | size_t end; |
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| 30 | size_t size; |
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[1547] | 31 | size_t used ; // count of element occupied |
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| 32 | MPI_Win windows[2] ; |
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| 33 | int currentWindows ; |
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| 34 | bool hasWindows ; |
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[717] | 35 | }; |
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[300] | 36 | } |
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| 37 | |
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| 38 | #endif |
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