1 | /*! |
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2 | \file netCdfInterface.hpp |
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3 | \author Ha NGUYEN |
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4 | \date 08 Oct 2014 |
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5 | \since 03 Oct 2014 |
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6 | |
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7 | \brief Wrapper of netcdf functions. |
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8 | */ |
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9 | #ifndef __NETCDF_INTERFACE_HPP_ |
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10 | #define __NETCDF_INTERFACE_HPP_ |
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11 | |
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12 | #include "xmlioserver_spl.hpp" |
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13 | |
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14 | #if !defined(USING_NETCDF_PAR) |
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15 | #include "exception.hpp" |
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16 | #endif |
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17 | |
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18 | #include "mpi.hpp" |
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19 | #include "netcdf.hpp" |
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20 | |
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21 | namespace xios |
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22 | { |
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23 | /*! |
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24 | \class CNetCdfInterface |
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25 | This class is wrapper of some common used functions of netCdf in Xios |
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26 | */ |
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27 | class CNetCdfInterface |
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28 | { |
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29 | public: |
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30 | //! Create a netcdf file |
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31 | static int create(const StdString& path, int cmode, int& ncId); |
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32 | |
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33 | //! Create a netcdf file on a parallel file system |
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34 | static int createPar(const StdString& path, int cmode, MPI_Comm comm, MPI_Info info, int& ncId); |
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35 | |
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36 | //! Open a netcdf file |
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37 | static int open(const StdString& path, int oMode, int& ncId); |
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38 | |
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39 | //! Open a netcdf file |
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40 | static int openPar(const StdString& path, int cmode, MPI_Comm comm, MPI_Info info, int& ncId); |
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41 | |
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42 | //! Close a netcdf file |
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43 | static int close(int ncId); |
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44 | |
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45 | //! Put netcdf file into define mode |
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46 | static int reDef(int ncId); |
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47 | |
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48 | //! End define mode of a netcdf file |
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49 | static int endDef(int ncId); |
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50 | |
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51 | //! Query identity of a named group |
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52 | static int inqNcId(int ncid, const StdString& grpName, int& grpId); |
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53 | |
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54 | //! Query identity of a named variable |
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55 | static int inqVarId(int ncid, const StdString& varName, int& varId); |
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56 | |
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57 | //! Query identity of a named dimension |
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58 | static int inqDimId(int ncid,const StdString& dimName, int& dimId); |
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59 | |
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60 | //! Query identity of unlimited dimension |
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61 | static int inqUnLimDim(int ncid, int& dimId); |
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62 | |
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63 | //! Query name of a dimension with its id |
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64 | static int inqDimName(int ncid, int dimId, StdString& dimName); |
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65 | |
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66 | //! Query length of dimension with its id |
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67 | static int inqDimLen(int ncid, int dimId, StdSize& dimLen); |
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68 | |
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69 | //! Query number of dimension of a variable with its id |
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70 | static int inqVarNDims(int ncid, int varId, int& nDims); |
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71 | |
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72 | //! Query list of dimension of a variable with its id |
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73 | static int inqVarDimId(int, int, int*); |
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74 | |
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75 | //! Query dimensions of a group |
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76 | static int inqDimIds(int ncid, int& nDims, int* dimIds, int includeParents); |
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77 | |
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78 | |
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79 | //! Define a group |
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80 | static int defGrp(int parentNcid,const StdString& grpName, int& grpId); |
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81 | |
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82 | //! Define a dimension |
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83 | static int defDim(int ncid,const StdString& dimName, StdSize dimLen, int& dimId); |
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84 | |
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85 | //! Define a variable |
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86 | static int defVar(int ncid,const StdString& varName, nc_type xtype, |
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87 | int nDims, const int dimIds[], int& varId); |
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88 | |
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89 | //! Define variable chunking size |
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90 | static int defVarChunking(int ncid, int varId, int storage, StdSize chunkSize[]); |
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91 | |
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92 | //! Define variable compression level |
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93 | static int defVarDeflate(int ncid, int varId, int compressionLevel); |
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94 | |
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95 | //! Define variable fill parameters |
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96 | static int defVarFill(int ncid, int varId, int noFill, void* fillValue); |
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97 | |
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98 | |
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99 | //! Change access type of a variable |
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100 | static int varParAccess(int ncid, int varid, int access); |
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101 | |
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102 | //! Syn |
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103 | static int sync(int ncId); |
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104 | |
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105 | //! Put attribute into variable |
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106 | static int putAtt(int ncid, int varid, const StdString& attrName, nc_type xtype, |
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107 | StdSize numVal, const void* op); |
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108 | |
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109 | |
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110 | //! Put attribute into variable with specific type |
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111 | template<typename T> |
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112 | static int putAttType(int ncid, int varid, const StdString& attrName, StdSize numVal, const T* op); |
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113 | |
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114 | //! Put value into a variable with a specific type |
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115 | template<typename T> |
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116 | static int putVaraType(int ncid, int varid, const StdSize* start, const StdSize* count, const T* op); |
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117 | |
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118 | private: |
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119 | template<typename T> |
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120 | static int ncPutAttType(int ncid, int varid, const char* attrName, StdSize numVal, const T* op); |
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121 | |
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122 | template<typename T> |
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123 | static int ncPutVaraType(int ncid, int varid, const StdSize* start, const StdSize* count, const T* op); |
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124 | |
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125 | private: |
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126 | static StdString openMode2String(int oMode); |
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127 | |
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128 | static StdString creationMode2String(int cMode); |
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129 | |
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130 | |
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131 | public: |
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132 | // Some functions dedude from several special cases |
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133 | //! Query the existence of a variable |
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134 | static bool isVarExisted(int ncId, const StdString& varName); |
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135 | |
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136 | }; |
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137 | } |
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138 | |
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139 | |
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140 | #endif // NETCDFINTERFACE_HPP_ |
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