| 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 | class CContextServer ; |
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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 COneSidedContextClient ; |
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| 26 | |
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| 27 | class CContextClient |
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| 28 | { |
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| 29 | public: |
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| 30 | enum ETransport { generic, legacy, oneSided, online} ; |
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| 31 | |
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| 32 | template<ETransport transport=generic> |
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| 33 | static CContextClient* getNew(CContext* parent, MPI_Comm intraComm, MPI_Comm interComm, CContext* parentServer = 0) ; |
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| 34 | |
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| 35 | // Contructor |
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| 36 | CContextClient(CContext* parent, MPI_Comm intraComm, MPI_Comm interComm, CContext* parentServer = 0); |
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| 37 | |
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| 38 | bool isServerLeader(void) const; |
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| 39 | bool isServerNotLeader(void) const; |
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| 40 | const std::list<int>& getRanksServerLeader(void) const; |
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| 41 | const std::list<int>& getRanksServerNotLeader(void) const; |
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| 42 | bool isAttachedModeEnabled() const { return isAttached_ ; } |
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| 43 | static void computeLeader(int clientRank, int clientSize, int serverSize, |
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| 44 | std::list<int>& rankRecvLeader, |
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| 45 | std::list<int>& rankRecvNotLeader); |
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| 46 | int getRemoteSize(void) {return serverSize;} |
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| 47 | int getServerSize(void) {return serverSize;} |
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| 48 | MPI_Comm getIntraComm(void) {return intraComm ;} |
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| 49 | int getIntraCommSize(void) {return clientSize ;} |
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| 50 | int getIntraCommRank(void) {return clientRank ;} |
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| 51 | /*! set the associated server (dual chanel client/server) */ |
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| 52 | void setAssociatedServer(CContextServer* associatedServer) { associatedServer=associatedServer_;} |
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| 53 | /*! get the associated server (dual chanel client/server) */ |
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| 54 | CContextServer* getAssociatedServer(void) { return associatedServer_;} |
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| 55 | |
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| 56 | |
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| 57 | |
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| 58 | virtual ETransport getType(void) = 0 ; |
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| 59 | // Send event to server |
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| 60 | virtual void sendEvent(CEventClient& event)=0; |
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| 61 | virtual void eventLoop(void)=0 ; |
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| 62 | virtual void releaseBuffers(void)=0; |
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| 63 | virtual bool havePendingRequests(void)=0; |
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| 64 | |
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| 65 | |
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| 66 | virtual bool isNotifiedFinalized(void)=0 ; |
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| 67 | virtual void finalize(void)=0; |
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| 68 | |
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| 69 | virtual void setBufferSize(const std::map<int,StdSize>& mapSize)=0; |
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| 70 | |
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| 71 | public: |
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| 72 | static CContextClient* ONLINE(void) { return reinterpret_cast<CContextClient*>(0xdeaddead);} |
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| 73 | protected: |
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| 74 | |
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| 75 | CContext* context_; //!< Context for client |
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| 76 | |
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| 77 | CContext* parentServer; //!< Context for server (Only used in attached mode) |
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| 78 | |
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| 79 | int clientRank; //!< Rank of current client |
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| 80 | |
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| 81 | int clientSize; //!< Size of client group |
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| 82 | |
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| 83 | int serverSize; //!< Size of server group |
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| 84 | |
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| 85 | MPI_Comm interComm; //!< Communicator of server group (interCommunicator) |
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| 86 | |
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| 87 | MPI_Comm intraComm; //!< Communicator of client group |
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| 88 | |
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| 89 | std::list<int> ranksServerLeader; //!< List of server ranks for which the client is leader |
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| 90 | |
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| 91 | std::list<int> ranksServerNotLeader; //!< List of server ranks for which the client is not leader |
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| 92 | |
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| 93 | 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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| 94 | |
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| 95 | bool isAttached_ ; |
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| 96 | CContextServer* associatedServer_ ; //!< The server associated to the pair client/server |
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| 97 | }; |
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| 98 | |
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| 99 | template<> |
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| 100 | CContextClient* CContextClient::getNew<CContextClient::generic>(CContext* parent, MPI_Comm intraComm, MPI_Comm interComm, CContext* parentServer) ; |
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| 101 | |
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| 102 | template<> |
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| 103 | CContextClient* CContextClient::getNew<CContextClient::oneSided>(CContext* parent, MPI_Comm intraComm, MPI_Comm interComm, CContext* parentServer) ; |
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| 104 | |
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| 105 | template<> |
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| 106 | CContextClient* CContextClient::getNew<CContextClient::legacy>(CContext* parent, MPI_Comm intraComm, MPI_Comm interComm, CContext* parentServer) ; |
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| 107 | |
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| 108 | template<> |
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| 109 | CContextClient* CContextClient::getNew<CContextClient::online>(CContext* parent, MPI_Comm intraComm, MPI_Comm interComm, CContext* parentServer) ; |
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| 110 | |
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| 111 | |
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| 112 | } |
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| 113 | |
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| 114 | #endif // __CONTEXT_CLIENT_HPP__ |
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