[2343] | 1 | #ifndef __LEGACY_CONTEXT_SERVER_HPP__ |
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| 2 | #define __LEGACY_CONTEXT_SERVER_HPP__ |
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| 3 | #include "xios_spl.hpp" |
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| 4 | #include "event_server.hpp" |
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| 5 | #include "buffer_server.hpp" |
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| 6 | #include "mpi.hpp" |
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| 7 | #include "event_scheduler.hpp" |
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| 8 | #include "context_server.hpp" |
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| 9 | |
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| 10 | namespace xios |
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| 11 | { |
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| 12 | class CContext ; |
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| 13 | class CContextClient; |
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| 14 | |
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| 15 | class CLegacyContextServer : public CContextServer |
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| 16 | { |
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| 17 | public: |
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| 18 | |
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| 19 | CLegacyContextServer(CContext* parent,MPI_Comm intraComm,MPI_Comm interComm) ; |
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| 20 | bool eventLoop(bool enableEventsProcessing = true); |
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| 21 | void releaseBuffers(void) ; |
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| 22 | |
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| 23 | private: |
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| 24 | |
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| 25 | void listen(void) ; |
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| 26 | // bool listenPendingRequest(MPI_Status& status) ; |
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| 27 | bool listenPendingRequest(MPI_Message &message, MPI_Status& status) ; |
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| 28 | void checkPendingProbe(void) ; |
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| 29 | void checkPendingRequest(void) ; |
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| 30 | void getBufferFromClient(size_t timeLine) ; |
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| 31 | void processRequest(int rank, char* buff,int count) ; |
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| 32 | void processEvents(bool enableEventsProcessing) ; |
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| 33 | bool hasFinished(void); |
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| 34 | void dispatchEvent(CEventServer& event) ; |
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| 35 | bool isCollectiveEvent(CEventServer& event) ; |
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| 36 | void setPendingEvent(void) ; |
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| 37 | bool hasPendingEvent(void) ; |
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| 38 | void notifyClientsFinalize(void) ; |
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| 39 | void freeWindows(void) ; // !<< free Windows for one sided communication |
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| 40 | |
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| 41 | MPI_Comm interCommMerged_; //!< Communicator of the client group + server group (intraCommunicator) needed for one sided communication. |
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| 42 | MPI_Comm commSelf_ ; //!< Communicator for proc alone from interCommMerged |
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| 43 | |
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| 44 | map<int,CServerBuffer*> buffers ; |
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| 45 | map<int,size_t> lastTimeLine ; //!< last event time line for a processed request |
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| 46 | map<int,size_t>::iterator itLastTimeLine ; //!< iterator on lastTimeLine |
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| 47 | map<int, list<std::pair<MPI_Message,MPI_Status> > > pendingProbe; |
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| 48 | map<int,MPI_Request> pendingRequest ; |
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| 49 | map<int,char*> bufferRequest ; |
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| 50 | |
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| 51 | map<size_t,CEventServer*> events ; |
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| 52 | size_t currentTimeLine ; |
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| 53 | |
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| 54 | bool finished ; |
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| 55 | bool pendingEvent ; |
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| 56 | bool scheduled ; /*!< event of current timeline is alreading scheduled ? */ |
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| 57 | bool pureOneSided ; //!< if true, client will communicated with servers only trough one sided communication. Otherwise the hybrid mode P2P /One sided is used. |
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| 58 | |
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| 59 | ~CLegacyContextServer() ; |
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| 60 | |
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| 61 | std::map<int, StdSize> mapBufferSize_; |
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| 62 | std::map<int,MPI_Comm> winComm_ ; //! Window communicators |
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| 63 | std::map<int,std::vector<MPI_Win> >windows_ ; //! one sided mpi windows to expose client buffers to servers ; No memory will be attached on server side. |
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| 64 | bool isProcessingEvent_ ; |
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| 65 | size_t remoteHashId_; //!< the hash is of the calling context client |
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| 66 | |
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| 67 | MPI_Comm processEventBarrier_ ; |
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| 68 | bool eventScheduled_=false; |
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| 69 | MPI_Request processEventRequest_ ; |
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| 70 | } ; |
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| 71 | |
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| 72 | } |
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| 73 | |
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| 74 | #endif |
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