[6607] | 1 | #ifndef __CONTEXT_CLIENT_HPP__ |
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| 2 | #define __CONTEXT_CLIENT_HPP__ |
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| 3 | |
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| 4 | #include "xios_spl.hpp" |
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| 5 | #include "buffer_out.hpp" |
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| 6 | #include "buffer_in.hpp" |
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| 7 | #include "buffer_client.hpp" |
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| 8 | #include "event_client.hpp" |
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| 9 | #include "event_server.hpp" |
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| 10 | #include "mpi.hpp" |
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| 11 | #include "registry.hpp" |
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| 12 | |
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| 13 | namespace xios |
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| 14 | { |
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| 15 | class CContext; |
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| 16 | |
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| 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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| 25 | class CContextClient |
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| 26 | { |
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| 27 | public: |
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| 28 | // Contructor |
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| 29 | CContextClient(CContext* parent, MPI_Comm intraComm, MPI_Comm interComm, CContext* parentServer = 0); |
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| 30 | |
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| 31 | // Send event to server |
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| 32 | void sendEvent(CEventClient& event); |
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| 33 | bool sendTemporarilyBufferedEvent(); |
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| 34 | void waitEvent(list<int>& ranks); |
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| 35 | |
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| 36 | // Functions to set/get buffers |
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| 37 | bool getBuffers(const list<int>& serverList, const list<int>& sizeList, list<CBufferOut*>& retBuffers, bool nonBlocking = false); |
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| 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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| 42 | bool havePendingRequests(void); |
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| 43 | |
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| 44 | bool isServerLeader(void) const; |
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| 45 | bool isServerNotLeader(void) const; |
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| 46 | const std::list<int>& getRanksServerLeader(void) const; |
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| 47 | const std::list<int>& getRanksServerNotLeader(void) const; |
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| 48 | |
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| 49 | bool isAttachedModeEnabled() const; |
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| 50 | bool hasTemporarilyBufferedEvent() const { return !tmpBufferedEvent.isEmpty(); }; |
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| 51 | |
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| 52 | static void computeLeader(int clientRank, int clientSize, int serverSize, |
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| 53 | std::list<int>& rankRecvLeader, |
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| 54 | std::list<int>& rankRecvNotLeader); |
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| 55 | |
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| 56 | // Close and finalize context client |
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| 57 | // void closeContext(void); Never been implemented. |
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| 58 | void finalize(void); |
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| 59 | |
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| 60 | void setBufferSize(const std::map<int,StdSize>& mapSize, const std::map<int,StdSize>& maxEventSize); |
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| 61 | |
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| 62 | public: |
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| 63 | CContext* context; //!< Context for client |
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| 64 | |
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| 65 | size_t timeLine; //!< Timeline of each event |
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| 66 | |
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| 67 | int clientRank; //!< Rank of current client |
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| 68 | |
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| 69 | int clientSize; //!< Size of client group |
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| 70 | |
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| 71 | int serverSize; //!< Size of server group |
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| 72 | |
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| 73 | MPI_Comm interComm; //!< Communicator of server group |
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| 74 | |
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| 75 | MPI_Comm intraComm; //!< Communicator of client group |
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| 76 | |
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| 77 | map<int,CClientBuffer*> buffers; //!< Buffers for connection to servers |
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| 78 | |
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| 79 | private: |
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| 80 | //! Mapping of server and buffer size for each connection to server |
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| 81 | std::map<int,StdSize> mapBufferSize_; |
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| 82 | //! Maximum event sizes estimated for each connection to server |
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| 83 | std::map<int,StdSize> maxEventSizes; |
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| 84 | //! Maximum number of events that can be buffered |
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| 85 | StdSize maxBufferedEvents; |
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| 86 | |
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| 87 | struct { |
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| 88 | std::list<int> ranks, sizes; |
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| 89 | std::list<CBufferOut*> buffers; |
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| 90 | |
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| 91 | bool isEmpty() const { return ranks.empty(); }; |
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| 92 | void clear() { |
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| 93 | ranks.clear(); |
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| 94 | sizes.clear(); |
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| 95 | |
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| 96 | for (std::list<CBufferOut*>::iterator it = buffers.begin(); it != buffers.end(); it++) |
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| 97 | delete *it; |
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| 98 | |
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| 99 | buffers.clear(); |
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| 100 | }; |
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| 101 | } tmpBufferedEvent; //! Event temporarily buffered (used only on the server) |
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| 102 | |
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| 103 | //! Context for server (Only used in attached mode) |
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| 104 | CContext* parentServer; |
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| 105 | |
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| 106 | //! List of server ranks for which the client is leader |
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| 107 | std::list<int> ranksServerLeader; |
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| 108 | |
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| 109 | //! List of server ranks for which the client is not leader |
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| 110 | std::list<int> ranksServerNotLeader; |
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| 111 | |
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| 112 | }; |
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| 113 | } |
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| 114 | |
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| 115 | #endif // __CONTEXT_CLIENT_HPP__ |
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