source: XIOS/dev/dev_olga/src/context_client.hpp @ 1139

Last change on this file since 1139 was 1139, checked in by oabramkina, 4 years ago

Fixing a bug in context finalization. Now context finalization is done in two stages.
Tested on Cure with test_regular and test_xios2_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: 3.7 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      bool sendTemporarilyBufferedEvent();
34      void waitEvent(list<int>& ranks);
35
36      // Functions to set/get buffers
37      bool getBuffers(const list<int>& serverList, const list<int>& sizeList, list<CBufferOut*>& retBuffers, bool nonBlocking = false);
38      void newBuffer(int rank);
39      bool checkBuffers(list<int>& ranks);
40      bool checkBuffers(void);
41      void releaseBuffers(void);
42      bool havePendingRequests(void);
43
44      bool isServerLeader(void) const;
45      bool isServerNotLeader(void) const;
46      const std::list<int>& getRanksServerLeader(void) const;
47      const std::list<int>& getRanksServerNotLeader(void) const;
48
49      bool isAttachedModeEnabled() const;
50      bool hasTemporarilyBufferedEvent() const { return !tmpBufferedEvent.isEmpty(); };
51
52      // Close and finalize context client
53//      void closeContext(void);  Never been implemented.
54      void finalize(void);
55      void postFinalize(void);
56
57      void setBufferSize(const std::map<int,StdSize>& mapSize, const std::map<int,StdSize>& maxEventSize);
58
59    public:
60      CContext* context; //!< Context for client
61
62      size_t timeLine; //!< Timeline of each event
63
64      int clientRank; //!< Rank of current client
65
66      int clientSize; //!< Size of client group
67
68      int serverSize; //!< Size of server group
69
70      MPI_Comm interComm; //!< Communicator of server group
71
72      MPI_Comm intraComm; //!< Communicator of client group
73
74      map<int,CClientBuffer*> buffers;         //!< Buffers for connection to servers
75
76    private:
77      //! Mapping of server and buffer size for each connection to server
78      std::map<int,StdSize> mapBufferSize_;
79      //! Maximum number of events that can be buffered
80      StdSize maxBufferedEvents;
81
82      struct {
83        std::list<int> ranks, sizes;
84        std::list<CBufferOut*> buffers;
85
86        bool isEmpty() const { return ranks.empty(); };
87        void clear() {
88          ranks.clear();
89          sizes.clear();
90
91          for (std::list<CBufferOut*>::iterator it = buffers.begin(); it != buffers.end(); it++)
92            delete *it;
93
94          buffers.clear();
95        };
96      } tmpBufferedEvent; //! Event temporarily buffered (used only on the server)
97
98      //! Context for server (Only used in attached mode)
99      CContext* parentServer;
100
101      //! List of server ranks for which the client is leader
102      std::list<int> ranksServerLeader;
103
104      //! List of server ranks for which the client is not leader
105      std::list<int> ranksServerNotLeader;
106
107    public: // Some function should be removed in the future
108      //    void registerEvent(CEventClient& event);
109//    list<CBufferOut*> newEvent(CEventClient& event,list<int>& sizes);
110//    bool locked;
111//    set<int> connectedServer;
112
113  };
114}
115
116#endif // __CONTEXT_CLIENT_HPP__
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