source: XIOS/dev/dev_olga/src/server.hpp @ 1168

Last change on this file since 1168 was 1168, checked in by oabramkina, 4 years ago

Two server levels: merging registries of secondary server pools into one and then writing the merged one.

Tested on curie with toy_cmip6.

  • Property copyright set to
    Software name : XIOS (Xml I/O Server)
    http://forge.ipsl.jussieu.fr/ioserver
    Creation date : January 2009
    Licence : CeCCIL version2
    see license file in root directory : Licence_CeCILL_V2-en.txt
    or http://www.cecill.info/licences/Licence_CeCILL_V2-en.html
    Holder : CEA/LSCE (Laboratoire des Sciences du CLimat et de l'Environnement)
    CNRS/IPSL (Institut Pierre Simon Laplace)
    Project Manager : Yann Meurdesoif
    yann.meurdesoif@cea.fr
File size: 2.9 KB
Line 
1#ifndef __SERVER_HPP__
2#define __SERVER_HPP__
3
4#include "xios_spl.hpp"
5#include "context.hpp"
6#include "context_client.hpp"
7#include "mpi.hpp"
8#include "event_scheduler.hpp"
9
10namespace xios
11{
12    class CServer
13    {
14      public:
15        static void initialize(void);
16        static void finalize(void);
17        static void eventLoop(void);
18        static void contextEventLoop(void);
19        static void listenContext(void);
20        static void listenFinalize(void);
21        static void recvContextMessage(void* buff,int count);
22        static void listenRootContext(void);
23        static void listenRootFinalize(void);
24        static void registerContext(void* buff,int count, int leaderRank=0);
25
26        static MPI_Comm intraComm;
27        static list<MPI_Comm> interCommLeft;           // interComm between server (primary, classical or secondary) and its client (client or primary server)
28        static list<MPI_Comm> interCommRight;          // interComm between primary server and secondary server (non-empty only for primary server pool)
29        static std::list<MPI_Comm> contextInterComms;  // list of context intercomms
30        static std::list<MPI_Comm> contextIntraComms;  // list of context intercomms (needed only in case of secondary servers)
31        static CEventScheduler* eventScheduler;
32
33        static int serverLevel ;
34
35        struct contextMessage
36        {
37          int nbRecv;
38          int leaderRank;
39        };
40
41        static bool isRoot;
42
43        static map<string,CContext*> contextList;
44        static bool finished;
45        static bool is_MPI_Initialized;
46
47      public:
48        //! Get rank of the current process
49        static int getRank();
50
51        //!< Get global ranks of processes dedicated to the secondary server
52        static vector<int>& getSecondaryServerGlobalRanks();
53
54        //! Open a file stream to write the info logs
55        static void openInfoStream(const StdString& fileName);
56        //! Write the info logs to standard output
57        static void openInfoStream();
58        //! Close the info logs file if it opens
59        static void closeInfoStream();
60
61        //! Open a file stream to write the error log
62        static void openErrorStream(const StdString& fileName);
63        //! Write the error log to standard error output
64        static void openErrorStream();
65        //! Close the error log file if it opens
66        static void closeErrorStream();
67
68      private:
69        static vector<int> sndServerGlobalRanks;  //!< Global ranks of secondary server processes
70        static int rank_;             //!< If (!oasis) global rank, else rank in the intraComm returned by oasis
71        static int nbContexts;        //!< Number of contexts registered by server
72        static StdOFStream m_infoStream;
73        static StdOFStream m_errorStream;
74
75        static void openStream(const StdString& fileName, const StdString& ext, std::filebuf* fb);
76    };
77}
78
79#endif
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