source: XIOS/trunk/src/context_client.hpp @ 726

Last change on this file since 726 was 726, checked in by rlacroix, 7 years ago

Delay the buffer size notication to the first time an event is sent.

This fixes synchronization issues in attached mode.

  • 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: 2.6 KB
Line 
1#ifndef __CONTEXT_CLIENT_HPP__
2#define __CONTEXT_CLIENT_HPP__
3
4#include "xios_spl.hpp"
5#include "buffer_out.hpp"
6#include "buffer_in.hpp"
7#include "buffer_client.hpp"
8#include "event_client.hpp"
9#include "event_server.hpp"
10#include "mpi.hpp"
11#include "registry.hpp"
12
13namespace xios
14{
15  class CContext;
16
17  /*!
18  \class CContextClient
19  A context can be both on client and on server side. In order to differenciate the role of
20  context on each side, e.x client sending events, server receiving and processing events, there is a need of
21  concrete "context" classes for both sides.
22  CContextClient processes and sends events from client to server where CContextServer receives these events
23  and processes them.
24  */
25  class CContextClient
26  {
27    public:
28      // Contructor
29      CContextClient(CContext* parent, MPI_Comm intraComm, MPI_Comm interComm, CContext* parentServer = 0);
30
31      // Send event to server
32      void sendEvent(CEventClient& event);
33      void waitEvent(list<int>& ranks);
34
35      // Functions relates to set/get buffers
36      list<CBufferOut*> getBuffers(list<int>& serverlist, list<int>& sizeList);
37      void newBuffer(int rank);
38      bool checkBuffers(list<int>& ranks);
39      bool checkBuffers(void);
40      void releaseBuffers(void);
41
42      bool isServerLeader(void) const;
43      const std::list<int>& getRanksServerLeader(void) const;
44
45      bool isAttachedModeEnabled() const;
46
47      // Close and finalize context client
48      void closeContext(void);
49      void finalize(void);
50
51      void setBufferSize(const std::map<int,StdSize>& mapSize);
52
53    public:
54      CContext* context; //!< Context for client
55
56      size_t timeLine; //!< Timeline of each event
57
58      int clientRank; //!< Rank of current client
59
60      int clientSize; //!< Size of client group
61
62      int serverSize; //!< Size of server group
63
64      MPI_Comm interComm; //!< Communicator of server group
65
66      MPI_Comm intraComm; //!< Communicator of client group
67
68      map<int,CClientBuffer*> buffers; //!< Buffers for connection to servers
69
70    private:
71      //! Mapping of server and buffer size for each connection to server
72      std::map<int,StdSize> mapBufferSize_;
73
74      //! Context for server (Only used in attached mode)
75      CContext* parentServer;
76
77      //! List of server ranks for which the client is leader
78      std::list<int> ranksServerLeader;
79
80    public: // Some function should be removed in the future
81      //    void registerEvent(CEventClient& event);
82//    list<CBufferOut*> newEvent(CEventClient& event,list<int>& sizes);
83//    bool locked;
84//    set<int> connectedServer;
85
86  };
87}
88
89#endif // __CONTEXT_CLIENT_HPP__
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