[300] | 1 | #ifndef __CONTEXT_CLIENT_HPP__ |
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| 2 | #define __CONTEXT_CLIENT_HPP__ |
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| 3 | |
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[591] | 4 | #include "xios_spl.hpp" |
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[300] | 5 | #include "buffer_out.hpp" |
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[697] | 6 | #include "buffer_in.hpp" |
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[300] | 7 | #include "buffer_client.hpp" |
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| 8 | #include "event_client.hpp" |
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[697] | 9 | #include "event_server.hpp" |
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[382] | 10 | #include "mpi.hpp" |
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[697] | 11 | #include "registry.hpp" |
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[300] | 12 | |
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[335] | 13 | namespace xios |
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[300] | 14 | { |
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[595] | 15 | class CContext; |
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[1853] | 16 | class CContextServer ; |
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[512] | 17 | /*! |
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| 18 | \class CContextClient |
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| 19 | A context can be both on client and on server side. In order to differenciate the role of |
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| 20 | context on each side, e.x client sending events, server receiving and processing events, there is a need of |
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| 21 | concrete "context" classes for both sides. |
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| 22 | CContextClient processes and sends events from client to server where CContextServer receives these events |
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| 23 | and processes them. |
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| 24 | */ |
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[300] | 25 | class CContextClient |
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| 26 | { |
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| 27 | public: |
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[595] | 28 | // Contructor |
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[1639] | 29 | CContextClient(CContext* parent, MPI_Comm intraComm, MPI_Comm interComm, CContext* parentServer = 0); |
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[300] | 30 | |
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[595] | 31 | // Send event to server |
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| 32 | void sendEvent(CEventClient& event); |
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| 33 | void waitEvent(list<int>& ranks); |
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[1761] | 34 | void waitEvent_old(list<int>& ranks); |
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[300] | 35 | |
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[1054] | 36 | // Functions to set/get buffers |
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[1757] | 37 | bool getBuffers(const size_t timeLine, const list<int>& serverList, const list<int>& sizeList, list<CBufferOut*>& retBuffers, bool nonBlocking = false); |
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[595] | 38 | void newBuffer(int rank); |
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| 39 | bool checkBuffers(list<int>& ranks); |
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| 40 | bool checkBuffers(void); |
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| 41 | void releaseBuffers(void); |
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[1130] | 42 | bool havePendingRequests(void); |
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[512] | 43 | |
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[595] | 44 | bool isServerLeader(void) const; |
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[1021] | 45 | bool isServerNotLeader(void) const; |
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[595] | 46 | const std::list<int>& getRanksServerLeader(void) const; |
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[1021] | 47 | const std::list<int>& getRanksServerNotLeader(void) const; |
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[512] | 48 | |
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[1761] | 49 | /*! |
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| 50 | * Check if the attached mode is used. |
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| 51 | * |
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| 52 | * \return true if and only if attached mode is used |
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| 53 | */ |
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| 54 | bool isAttachedModeEnabled() const { return isAttached_ ; } |
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[704] | 55 | |
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[1232] | 56 | static void computeLeader(int clientRank, int clientSize, int serverSize, |
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| 57 | std::list<int>& rankRecvLeader, |
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| 58 | std::list<int>& rankRecvNotLeader); |
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| 59 | |
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[595] | 60 | // Close and finalize context client |
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[1054] | 61 | // void closeContext(void); Never been implemented. |
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[1757] | 62 | bool isNotifiedFinalized(void) ; |
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[595] | 63 | void finalize(void); |
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[300] | 64 | |
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[2130] | 65 | void setBufferSize(const std::map<int,StdSize>& mapSize); |
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[726] | 66 | |
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[1784] | 67 | int getRemoteSize(void) {return serverSize;} |
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| 68 | int getServerSize(void) {return serverSize;} |
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[1918] | 69 | MPI_Comm getIntraComm(void) {return intraComm ;} |
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| 70 | int getIntraCommSize(void) {return clientSize ;} |
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| 71 | int getIntraCommRank(void) {return clientRank ;} |
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[1853] | 72 | |
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| 73 | /*! set the associated server (dual chanel client/server) */ |
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| 74 | void setAssociatedServer(CContextServer* associatedServer) { associatedServer=associatedServer_;} |
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| 75 | /*! get the associated server (dual chanel client/server) */ |
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| 76 | CContextServer* getAssociatedServer(void) { return associatedServer_;} |
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[2130] | 77 | void setGrowableBuffer(void) { isGrowableBuffer_=true;} |
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| 78 | void setFixedBuffer(void) { isGrowableBuffer_=false;} |
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[512] | 79 | public: |
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[2130] | 80 | CContext* context_; //!< Context for client |
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[509] | 81 | |
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[595] | 82 | size_t timeLine; //!< Timeline of each event |
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[509] | 83 | |
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[595] | 84 | int clientRank; //!< Rank of current client |
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[300] | 85 | |
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[595] | 86 | int clientSize; //!< Size of client group |
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[300] | 87 | |
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[595] | 88 | int serverSize; //!< Size of server group |
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[300] | 89 | |
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[1757] | 90 | MPI_Comm interComm; //!< Communicator of server group (interCommunicator) |
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[300] | 91 | |
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[1757] | 92 | MPI_Comm interCommMerged; //!< Communicator of the client group + server group (intraCommunicator) needed for one sided communication. |
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| 93 | |
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[1639] | 94 | MPI_Comm intraComm; //!< Communicator of client group |
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[300] | 95 | |
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[1757] | 96 | MPI_Comm commSelf; //!< Communicator of the client alone. Needed to create a new communicator between 1 proc client and 1 proc server for one sided communication |
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| 97 | |
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[1158] | 98 | map<int,CClientBuffer*> buffers; //!< Buffers for connection to servers |
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[300] | 99 | |
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[1757] | 100 | 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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| 101 | |
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[2130] | 102 | size_t hashId_ ; //!< hash id on the context client that will be used for context server to identify the remote calling context client. |
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| 103 | |
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[512] | 104 | private: |
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[1757] | 105 | void lockBuffers(list<int>& ranks) ; |
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| 106 | void unlockBuffers(list<int>& ranks) ; |
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| 107 | |
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[512] | 108 | //! Mapping of server and buffer size for each connection to server |
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[595] | 109 | std::map<int,StdSize> mapBufferSize_; |
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[1201] | 110 | //! Maximum event sizes estimated for each connection to server |
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| 111 | std::map<int,StdSize> maxEventSizes; |
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[917] | 112 | //! Maximum number of events that can be buffered |
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| 113 | StdSize maxBufferedEvents; |
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[300] | 114 | |
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[512] | 115 | //! Context for server (Only used in attached mode) |
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| 116 | CContext* parentServer; |
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| 117 | |
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[595] | 118 | //! List of server ranks for which the client is leader |
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| 119 | std::list<int> ranksServerLeader; |
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| 120 | |
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[1021] | 121 | //! List of server ranks for which the client is not leader |
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| 122 | std::list<int> ranksServerNotLeader; |
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| 123 | |
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[1757] | 124 | std::vector<std::vector<MPI_Win> >windows ; //! one sided mpi windows to expose client buffers to servers == windows[nbServers][2] |
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[1761] | 125 | bool isAttached_ ; |
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[1853] | 126 | CContextServer* associatedServer_ ; //!< The server associated to the pair client/server |
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[2130] | 127 | bool isGrowableBuffer_ = true ; |
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[595] | 128 | }; |
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[512] | 129 | } |
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| 130 | |
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| 131 | #endif // __CONTEXT_CLIENT_HPP__ |
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