source: XIOS/dev/branch_openmp/src/context_client.hpp @ 1460

Last change on this file since 1460 was 1460, checked in by yushan, 3 years ago

branch_openmp merged with XIOS_DEV_CMIP6@1459

  • 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, ep_lib::MPI_Comm intraComm, ep_lib::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      static void computeLeader(int clientRank, int clientSize, int serverSize,
53                                std::list<int>& rankRecvLeader,
54                                std::list<int>& rankRecvNotLeader);
55
56      // Close and finalize context client
57//      void closeContext(void);  Never been implemented.
58      void finalize(void);
59
60      void setBufferSize(const std::map<int,StdSize>& mapSize, const std::map<int,StdSize>& maxEventSize);
61
62    public:
63      CContext* context; //!< Context for client
64
65      size_t timeLine; //!< Timeline of each event
66
67      int clientRank; //!< Rank of current client
68
69      int clientSize; //!< Size of client group
70
71      int serverSize; //!< Size of server group
72
73      ep_lib::MPI_Comm interComm; //!< Communicator of server group
74
75      ep_lib::MPI_Comm intraComm; //!< Communicator of client group
76
77      map<int,CClientBuffer*> buffers; //!< Buffers for connection to servers
78
79    private:
80      //! Mapping of server and buffer size for each connection to server
81      std::map<int,StdSize> mapBufferSize_;
82      //! Maximum event sizes estimated for each connection to server
83      std::map<int,StdSize> maxEventSizes;
84      //! Maximum number of events that can be buffered
85      StdSize maxBufferedEvents;
86
87      struct {
88        std::list<int> ranks, sizes;
89        std::list<CBufferOut*> buffers;
90
91        bool isEmpty() const { return ranks.empty(); };
92        void clear() {
93          ranks.clear();
94          sizes.clear();
95
96          for (std::list<CBufferOut*>::iterator it = buffers.begin(); it != buffers.end(); it++)
97            delete *it;
98
99          buffers.clear();
100        };
101      } tmpBufferedEvent; //! Event temporarily buffered (used only on the server)
102
103      //! Context for server (Only used in attached mode)
104      CContext* parentServer;
105
106      //! List of server ranks for which the client is leader
107      std::list<int> ranksServerLeader;
108
109      //! List of server ranks for which the client is not leader
110      std::list<int> ranksServerNotLeader;
111
112  };
113}
114
115#endif // __CONTEXT_CLIENT_HPP__
Note: See TracBrowser for help on using the repository browser.