| 1 | #ifndef __SERVER_HPP__ |
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| 2 | #define __SERVER_HPP__ |
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| 3 | |
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| 4 | #include "xios_spl.hpp" |
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| 5 | #include "context.hpp" |
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| 6 | #include "context_client.hpp" |
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| 7 | #include "mpi.hpp" |
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| 8 | #include "event_scheduler.hpp" |
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| 9 | |
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| 10 | namespace xios |
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| 11 | { |
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| 12 | class CServer |
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| 13 | { |
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| 14 | public: |
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| 15 | static void initialize(void); |
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| 16 | static void initialize(const StdString& serverId); |
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| 17 | static void finalize(void); |
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| 18 | static void eventLoop(void); |
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| 19 | static void contextEventLoop(void); |
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| 20 | static void listenContext(void); |
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| 21 | static void listenFinalize(void); |
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| 22 | static void recvContextMessage(void* buff,int count); |
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| 23 | static void listenRootContext(void); |
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| 24 | static void listenRootFinalize(void); |
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| 25 | static void registerContext(void* buff,int count, int leaderRank=0); // context registered by the primary server |
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| 26 | |
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| 27 | // Communicators for the primary group of servers |
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| 28 | static MPI_Comm intraComm; |
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| 29 | static list<MPI_Comm> interCommLeft; // interComm between server (primary or secondary) and its client (client or primary server) |
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| 30 | static list<MPI_Comm> interCommRight; // interComm between primary server and secondary server (non-empty only for primary server pool) |
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| 31 | static list<MPI_Comm> interComm; // interCommLeft + interCommRight |
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| 32 | static std::list<MPI_Comm> contextInterComms; |
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| 33 | static CEventScheduler* eventScheduler; |
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| 34 | |
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| 35 | static int serverLevel ; |
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| 36 | |
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| 37 | // static int nbSndSrvPools; // number of secondary server pools |
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| 38 | // static int poolNb; // for secondary servers; stores the pool number |
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| 39 | |
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| 40 | struct contextMessage |
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| 41 | { |
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| 42 | int nbRecv; |
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| 43 | int leaderRank; |
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| 44 | }; |
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| 45 | |
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| 46 | static bool isRoot; |
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| 47 | |
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| 48 | static map<string,CContext*> contextList; // contexts on the primary server |
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| 49 | static bool finished; |
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| 50 | static bool is_MPI_Initialized; |
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| 51 | |
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| 52 | public: |
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| 53 | //! Get rank of the current process |
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| 54 | static int getRank(); |
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| 55 | |
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| 56 | //! Open a file stream to write the info logs |
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| 57 | static void openInfoStream(const StdString& fileName); |
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| 58 | //! Write the info logs to standard output |
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| 59 | static void openInfoStream(); |
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| 60 | //! Close the info logs file if it opens |
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| 61 | static void closeInfoStream(); |
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| 62 | |
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| 63 | //! Open a file stream to write the error log |
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| 64 | static void openErrorStream(const StdString& fileName); |
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| 65 | //! Write the error log to standard error output |
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| 66 | static void openErrorStream(); |
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| 67 | //! Close the error log file if it opens |
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| 68 | static void closeErrorStream(); |
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| 69 | |
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| 70 | private: |
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| 71 | static int rank; |
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| 72 | static int serverSize; //!< Number of procs dedicated to server |
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| 73 | static int nbPools; //!< Number of secondary-server pools |
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| 74 | static int poolId; //!< ID of a secondary-server pool |
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| 75 | static StdOFStream m_infoStream; |
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| 76 | static StdOFStream m_errorStream; |
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| 77 | |
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| 78 | static void openStream(const StdString& fileName, const StdString& ext, std::filebuf* fb); |
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| 79 | }; |
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| 80 | } |
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| 81 | |
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| 82 | #endif |
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