1 | #ifndef __XMLIO_CBufferPair__ |
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2 | #define __XMLIO_CBufferPair__ |
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3 | |
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4 | /// xmlioserver headers /// |
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5 | #include "xmlioserver_spl.hpp" |
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6 | #include "buffer.hpp" |
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7 | #include "circular_buffer.hpp" |
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8 | #include "linear_buffer.hpp" |
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9 | #include "mpi_manager.hpp" |
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10 | |
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11 | namespace xmlioserver |
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12 | { |
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13 | namespace comm |
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14 | { |
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15 | /// ////////////////////// Déclarations ////////////////////// /// |
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16 | class CBufferPair |
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17 | { |
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18 | |
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19 | /// Définition de type /// |
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20 | typedef CLinearBuffer BufferType; |
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21 | |
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22 | public : |
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23 | |
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24 | /// Construteurs /// |
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25 | CBufferPair(MPI_Comm com_client_server = CMPIManager::GetCommWorld()); |
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26 | CBufferPair(const CBufferPair & buffer_pair); // Not implemented yet. |
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27 | CBufferPair(const CBufferPair * const buffer_pair); // Not implemented yet. |
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28 | |
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29 | template <typename A1, typename A2, typename A3, typename A4> |
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30 | void prepareRequest(const long int & managerId, |
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31 | const long int & methodId, |
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32 | A1 * arg1 = CLinearBuffer::NULL_ARG, |
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33 | A2 * arg2 = CLinearBuffer::NULL_ARG, |
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34 | A3 * arg3 = CLinearBuffer::NULL_ARG, |
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35 | A4 * arg4 = CLinearBuffer::NULL_ARG); |
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36 | /// Accesseur /// |
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37 | CLinearBuffer & getCurrentBuffer(void); |
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38 | |
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39 | /// Traitements divers /// |
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40 | MPI_Request wait(void); |
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41 | void sendCurrentBuffer(void); |
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42 | |
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43 | /// Destructeur /// |
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44 | virtual ~CBufferPair(void); |
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45 | |
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46 | protected : |
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47 | |
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48 | /// Test /// |
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49 | bool mustBeSent(void); |
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50 | |
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51 | private : |
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52 | |
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53 | /// Propriétés privées /// |
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54 | MPI_Comm com_client_server; |
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55 | CLinearBuffer first, second; |
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56 | MPI_Request first_request, second_request; |
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57 | int currentBuffer; |
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58 | |
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59 | }; // class CBufferPair |
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60 | |
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61 | ///-------------------------------------------------------------- |
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62 | |
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63 | template <typename A1, typename A2, typename A3, typename A4> |
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64 | void CBufferPair::prepareRequest(const long int & managerId, |
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65 | const long int & methodId, |
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66 | A1 * arg1, A2 * arg2, A3 * arg3, A4 * arg4) |
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67 | { |
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68 | if (this->mustBeSent()) |
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69 | this->sendCurrentBuffer(); |
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70 | |
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71 | CLinearBuffer & cbuffer = this->getCurrentBuffer(); |
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72 | StdSize usize = cbuffer.getUnusedSize(); |
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73 | StdSize rsize = cbuffer.getRequestedSize(arg1, arg2, arg3, arg4) ; |
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74 | StdSize msize = cbuffer.getSize(); |
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75 | |
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76 | long int nbargs = 0; |
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77 | |
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78 | if (arg1 != NULL) nbargs++; |
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79 | if (arg2 != NULL) nbargs++; |
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80 | if (arg3 != NULL) nbargs++; |
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81 | if (arg4 != NULL) nbargs++; |
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82 | |
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83 | if (rsize > msize) |
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84 | ERROR("CBufferPair::sendRequest(...)", << "Le tampon client est trop petit !"); |
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85 | |
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86 | if (rsize <= usize) |
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87 | { |
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88 | cbuffer.appendRequestInfos(managerId, methodId, nbargs); |
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89 | } |
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90 | else |
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91 | { |
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92 | this->wait(); |
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93 | this->prepareRequest(managerId, methodId, arg1, arg2, arg3, arg4); |
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94 | } |
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95 | } |
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96 | |
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97 | ///-------------------------------------------------------------- |
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98 | |
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99 | |
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100 | } // namespace comm |
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101 | } // namespace xmlioserver |
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102 | |
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103 | #endif // __XMLIO_CBufferPair__ |
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