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 finalize(void); |
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17 | static void eventLoop(void); |
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18 | static void contextEventLoop(bool enableEventsProcessing=true); |
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19 | static void listenContext(void); |
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20 | static void listenFinalize(void); |
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21 | static void recvContextMessage(void* buff,int count); |
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22 | static void listenRootContext(void); |
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23 | static void listenRootFinalize(void); |
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24 | static void registerContext(void* buff,int count, int leaderRank=0); |
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25 | |
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26 | static MPI_Comm intraComm; |
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27 | static std::list<MPI_Comm> interCommLeft; // interComm between server (primary, classical or secondary) and its client (client or primary server) |
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28 | static std::list<MPI_Comm> interCommRight; // interComm between primary server and secondary server (non-empty only for primary server pool) |
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29 | static std::list<MPI_Comm> contextInterComms; // list of context intercomms |
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30 | static std::list<MPI_Comm> contextIntraComms; // list of context intercomms (needed only in case of secondary servers) |
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31 | static CEventScheduler* eventScheduler; |
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32 | |
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33 | static int serverLevel ; |
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34 | |
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35 | struct contextMessage |
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36 | { |
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37 | int nbRecv; |
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38 | int leaderRank; |
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39 | }; |
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40 | |
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41 | static bool isRoot; |
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42 | |
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43 | static map<string,CContext*> contextList; |
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44 | static bool finished; |
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45 | static bool is_MPI_Initialized; |
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46 | |
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47 | public: |
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48 | //! Get rank of the current process in the intraComm |
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49 | static int getRank(); |
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50 | |
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51 | //!< Get global ranks of secondary server processes |
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52 | static vector<int>& getSecondaryServerGlobalRanks(); |
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53 | |
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54 | //! Open a file stream to write the info logs |
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55 | static void openInfoStream(const StdString& fileName); |
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56 | //! Write the info logs to standard output |
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57 | static void openInfoStream(); |
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58 | //! Close the info logs file if it opens |
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59 | static void closeInfoStream(); |
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60 | |
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61 | //! Open a file stream to write the error log |
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62 | static void openErrorStream(const StdString& fileName); |
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63 | //! Write the error log to standard error output |
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64 | static void openErrorStream(); |
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65 | //! Close the error log file if it opens |
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66 | static void closeErrorStream(); |
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67 | |
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68 | private: |
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69 | static vector<int> sndServerGlobalRanks; //!< Global ranks of pool leaders on the secondary server |
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70 | static int rank_; //!< If (!oasis) global rank, else rank in the intraComm returned by oasis |
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71 | static int nbContexts; //!< Number of contexts registered by server |
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72 | static StdOFStream m_infoStream; |
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73 | static StdOFStream m_errorStream; |
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74 | |
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75 | static void openStream(const StdString& fileName, const StdString& ext, std::filebuf* fb); |
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76 | }; |
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77 | } |
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78 | |
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79 | #endif |
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