1 | #include "file.hpp" |
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2 | |
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3 | #include "attribute_template.hpp" |
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4 | #include "object_template.hpp" |
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5 | #include "group_template.hpp" |
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6 | #include "object_factory.hpp" |
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7 | #include "context.hpp" |
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8 | #include "context_server.hpp" |
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9 | #include "nc4_data_output.hpp" |
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10 | #include "nc4_data_input.hpp" |
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11 | #include "calendar_util.hpp" |
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12 | #include "date.hpp" |
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13 | #include "message.hpp" |
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14 | #include "type.hpp" |
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15 | #include "xios_spl.hpp" |
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16 | #include "context_client.hpp" |
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17 | #include "mpi.hpp" |
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18 | |
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19 | namespace xios { |
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20 | |
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21 | /// ////////////////////// Définitions ////////////////////// /// |
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22 | |
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23 | CFile::CFile(void) |
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24 | : CObjectTemplate<CFile>(), CFileAttributes() |
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25 | , vFieldGroup(), data_out(), enabledFields(), fileComm(MPI_COMM_NULL) |
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26 | , allDomainEmpty(false), isOpen(false) |
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27 | { |
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28 | setVirtualFieldGroup(); |
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29 | setVirtualVariableGroup(); |
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30 | } |
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31 | |
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32 | CFile::CFile(const StdString & id) |
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33 | : CObjectTemplate<CFile>(id), CFileAttributes() |
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34 | , vFieldGroup(), data_out(), enabledFields(), fileComm(MPI_COMM_NULL) |
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35 | , allDomainEmpty(false), isOpen(false) |
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36 | { |
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37 | setVirtualFieldGroup(); |
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38 | setVirtualVariableGroup(); |
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39 | } |
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40 | |
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41 | CFile::~CFile(void) |
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42 | { /* Ne rien faire de plus */ } |
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43 | |
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44 | ///--------------------------------------------------------------- |
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45 | //! Get name of file |
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46 | StdString CFile::GetName(void) { return (StdString("file")); } |
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47 | StdString CFile::GetDefName(void){ return (CFile::GetName()); } |
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48 | ENodeType CFile::GetType(void) { return (eFile); } |
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49 | |
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50 | //---------------------------------------------------------------- |
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51 | |
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52 | const StdString& CFile::getFileOutputName(void) const |
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53 | { |
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54 | return name.isEmpty() ? getId() : name; |
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55 | } |
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56 | |
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57 | //---------------------------------------------------------------- |
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58 | /*! |
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59 | \brief Get data writer object. |
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60 | Each enabled file in xml represents a physical netcdf file. |
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61 | This function allows to access the data writer object. |
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62 | \return data writer object. |
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63 | */ |
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64 | boost::shared_ptr<CDataOutput> CFile::getDataOutput(void) const |
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65 | { |
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66 | return data_out; |
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67 | } |
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68 | |
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69 | /*! |
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70 | \brief Get data reader object. |
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71 | Each enabled file in xml represents a physical netcdf file. |
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72 | This function allows to access the data reader object. |
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73 | \return data reader object. |
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74 | */ |
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75 | boost::shared_ptr<CDataInput> CFile::getDataInput(void) const |
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76 | { |
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77 | return data_in; |
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78 | } |
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79 | |
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80 | /*! |
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81 | \brief Get virtual field group |
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82 | In each file, there always exists a field group which is the ancestor of all |
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83 | fields in the file. This is considered be virtual because it is created automatically during |
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84 | file initialization and it normally doesn't appear on xml file |
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85 | \return Pointer to field group |
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86 | */ |
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87 | CFieldGroup* CFile::getVirtualFieldGroup(void) const |
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88 | { |
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89 | return (this->vFieldGroup); |
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90 | } |
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91 | |
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92 | /*! |
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93 | \brief Get virtual variable group |
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94 | In each file, there always exists a variable group which is the ancestor of all |
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95 | variable in the file. This is considered be virtual because it is created automatically during |
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96 | file initialization and it normally doesn't appear on xml file |
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97 | \return Pointer to variable group |
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98 | */ |
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99 | CVariableGroup* CFile::getVirtualVariableGroup(void) const |
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100 | { |
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101 | return (this->vVariableGroup); |
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102 | } |
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103 | |
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104 | //! Get all fields of a file |
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105 | std::vector<CField*> CFile::getAllFields(void) const |
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106 | { |
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107 | return (this->vFieldGroup->getAllChildren()); |
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108 | } |
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109 | |
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110 | //! Get all variables of a file |
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111 | std::vector<CVariable*> CFile::getAllVariables(void) const |
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112 | { |
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113 | return (this->vVariableGroup->getAllChildren()); |
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114 | } |
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115 | |
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116 | //---------------------------------------------------------------- |
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117 | /*! |
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118 | \brief Get all enabled fields of file |
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119 | A field is considered to be enabled if it fullfil these conditions: it is enabled, inside a enabled file |
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120 | and its own level is not larger than file output level. |
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121 | \param [in] default_outputlevel default value output level of file |
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122 | \param [in] default_level default value level of field |
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123 | \param [in] default_enabled flag determine by default if field is enabled |
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124 | \return Vector of pointers of enabled fields |
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125 | */ |
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126 | std::vector<CField*> CFile::getEnabledFields(int default_outputlevel, |
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127 | int default_level, |
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128 | bool default_enabled) |
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129 | { |
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130 | if (!this->enabledFields.empty()) |
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131 | return (this->enabledFields); |
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132 | |
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133 | const int _outputlevel = |
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134 | (!output_level.isEmpty()) ? output_level.getValue() : default_outputlevel; |
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135 | std::vector<CField*>::iterator it; |
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136 | this->enabledFields = this->getAllFields(); |
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137 | |
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138 | std::vector<CField*> newEnabledFields; |
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139 | |
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140 | for ( it = this->enabledFields.begin(); it != this->enabledFields.end(); it++ ) |
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141 | { |
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142 | if (!(*it)->enabled.isEmpty()) // Si l'attribut 'enabled' est défini ... |
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143 | { |
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144 | if (! (*it)->enabled.getValue()) continue; |
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145 | // { it--; this->enabledFields.erase(it+1); continue; } |
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146 | } |
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147 | else // Si l'attribut 'enabled' n'est pas défini ... |
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148 | { |
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149 | if (!default_enabled) continue; |
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150 | // { it--; this->enabledFields.erase(it+1); continue; } |
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151 | } |
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152 | |
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153 | if (!(*it)->level.isEmpty()) // Si l'attribut 'level' est défini ... |
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154 | { |
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155 | if ((*it)->level.getValue() > _outputlevel) continue; |
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156 | // { it--; this->enabledFields.erase(it+1); continue; } |
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157 | } |
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158 | else // Si l'attribut 'level' n'est pas défini ... |
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159 | { |
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160 | if (default_level > _outputlevel) continue; |
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161 | // { it--; this->enabledFields.erase(it+1); continue; } |
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162 | } |
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163 | |
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164 | // CField* field_tmp=(*it).get(); |
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165 | // shared_ptr<CField> sptfield=*it; |
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166 | // field_tmp->refObject.push_back(sptfield); |
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167 | newEnabledFields.push_back(*it); |
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168 | // Le champ est finalement actif, on y ajoute sa propre reference. |
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169 | // (*it)->refObject.push_back(*it); |
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170 | // Le champ est finalement actif, on y ajoute la référence au champ de base. |
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171 | (*it)->setRelFile(CFile::get(this)); |
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172 | } |
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173 | enabledFields = newEnabledFields; |
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174 | |
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175 | return (this->enabledFields); |
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176 | } |
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177 | |
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178 | //---------------------------------------------------------------- |
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179 | //! Change virtual field group to a new one |
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180 | void CFile::setVirtualFieldGroup(CFieldGroup* newVFieldGroup) |
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181 | { |
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182 | this->vFieldGroup = newVFieldGroup; |
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183 | } |
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184 | |
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185 | //! Change virtual variable group to new one |
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186 | void CFile::setVirtualVariableGroup(CVariableGroup* newVVariableGroup) |
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187 | { |
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188 | this->vVariableGroup = newVVariableGroup; |
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189 | } |
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190 | |
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191 | //---------------------------------------------------------------- |
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192 | //! Create virtual field group, which is done normally on initializing file |
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193 | void CFile::setVirtualFieldGroup(void) |
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194 | { |
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195 | this->setVirtualFieldGroup(CFieldGroup::create()); |
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196 | } |
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197 | |
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198 | //! Create virtual variable group, which is done normally on initializing file |
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199 | void CFile::setVirtualVariableGroup(void) |
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200 | { |
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201 | this->setVirtualVariableGroup(CVariableGroup::create()); |
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202 | } |
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203 | |
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204 | //---------------------------------------------------------------- |
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205 | bool CFile::isSyncTime(void) |
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206 | { |
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207 | CContext* context = CContext::getCurrent(); |
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208 | const CDate& currentDate = context->calendar->getCurrentDate(); |
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209 | if (!sync_freq.isEmpty()) |
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210 | { |
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211 | if (lastSync + sync_freq.getValue() < currentDate) |
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212 | { |
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213 | lastSync = currentDate; |
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214 | return true; |
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215 | } |
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216 | } |
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217 | return false; |
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218 | } |
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219 | |
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220 | //! Initialize a file in order to write into it |
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221 | void CFile::initFile(void) |
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222 | { |
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223 | CContext* context = CContext::getCurrent(); |
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224 | const CDate& currentDate = context->calendar->getCurrentDate(); |
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225 | CContextServer* server = context->server; |
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226 | |
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227 | lastSync = currentDate; |
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228 | lastSplit = currentDate; |
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229 | if (!split_freq.isEmpty()) |
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230 | { |
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231 | if (context->registryIn->foundKey("splitStart") && context->registryIn->foundKey("splitEnd")) |
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232 | { |
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233 | CDate savedSplitStart(*context->getCalendar()), savedSplitEnd(*context->getCalendar()); |
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234 | context->registryIn->getKey("splitStart", savedSplitStart); |
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235 | context->registryIn->getKey("splitEnd", savedSplitEnd); |
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236 | |
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237 | if (savedSplitStart <= lastSplit && lastSplit <= savedSplitEnd) |
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238 | lastSplit = savedSplitStart; |
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239 | } |
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240 | } |
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241 | isOpen = false; |
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242 | |
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243 | allDomainEmpty = true; |
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244 | |
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245 | if (!record_offset.isEmpty() && record_offset < 0) |
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246 | ERROR("void CFile::initFile(void)", |
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247 | "Invalid 'record_offset', this attribute cannot be negative."); |
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248 | const size_t recordOffset = record_offset.isEmpty() ? 0 : record_offset; |
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249 | |
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250 | set<CAxis*> setAxis; |
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251 | set<CDomain*> setDomains; |
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252 | |
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253 | std::vector<CField*>::iterator it, end = this->enabledFields.end(); |
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254 | for (it = this->enabledFields.begin(); it != end; it++) |
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255 | { |
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256 | CField* field = *it; |
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257 | allDomainEmpty &= !field->grid->doGridHaveDataToWrite(); |
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258 | std::vector<CAxis*> vecAxis = field->grid->getAxis(); |
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259 | for (size_t i = 0; i < vecAxis.size(); ++i) |
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260 | setAxis.insert(vecAxis[i]); |
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261 | std::vector<CDomain*> vecDomains = field->grid->getDomains(); |
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262 | for (size_t i = 0; i < vecDomains.size(); ++i) |
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263 | setDomains.insert(vecDomains[i]); |
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264 | |
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265 | field->resetNStep(recordOffset); |
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266 | } |
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267 | nbAxis = setAxis.size(); |
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268 | nbDomains = setDomains.size(); |
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269 | |
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270 | // create sub communicator for file |
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271 | int color = allDomainEmpty ? 0 : 1; |
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272 | MPI_Comm_split(server->intraComm, color, server->intraCommRank, &fileComm); |
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273 | if (allDomainEmpty) MPI_Comm_free(&fileComm); |
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274 | |
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275 | if (time_counter.isEmpty()) time_counter.setValue(time_counter_attr::centered); |
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276 | if (time_counter_name.isEmpty()) time_counter_name = "time_counter"; |
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277 | } |
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278 | |
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279 | //! Verify state of a file |
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280 | void CFile::checkFile(void) |
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281 | { |
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282 | if (mode.isEmpty() || mode.getValue() == mode_attr::write) |
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283 | { |
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284 | if (!isOpen) createHeader(); |
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285 | checkSync(); |
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286 | } |
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287 | else |
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288 | { |
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289 | if (!isOpen) openInReadMode(); |
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290 | } |
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291 | checkSplit(); |
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292 | } |
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293 | |
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294 | /*! |
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295 | \brief Verify if synchronisation should be done |
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296 | If syn option is enabled, syn frequence and current time will be used to |
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297 | calculate the moment to syn file(s) |
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298 | \return True if it is the moment to synchronize file, otherwise false |
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299 | */ |
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300 | bool CFile::checkSync(void) |
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301 | { |
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302 | CContext* context = CContext::getCurrent(); |
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303 | const CDate& currentDate = context->calendar->getCurrentDate(); |
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304 | if (!sync_freq.isEmpty()) |
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305 | { |
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306 | if (lastSync + sync_freq.getValue() <= currentDate) |
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307 | { |
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308 | lastSync = currentDate; |
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309 | data_out->syncFile(); |
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310 | return true; |
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311 | } |
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312 | } |
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313 | return false; |
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314 | } |
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315 | |
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316 | /*! |
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317 | \brief Verify if splitting should be done |
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318 | If split option is enabled, split frequence and current time will be used to |
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319 | calculate the moment to split file |
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320 | \return True if it is the moment to split file, otherwise false |
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321 | */ |
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322 | bool CFile::checkSplit(void) |
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323 | { |
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324 | CContext* context = CContext::getCurrent(); |
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325 | const CDate& currentDate = context->calendar->getCurrentDate(); |
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326 | if (!split_freq.isEmpty()) |
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327 | { |
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328 | if (currentDate > lastSplit + split_freq.getValue()) |
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329 | { |
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330 | lastSplit = lastSplit + split_freq.getValue(); |
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331 | std::vector<CField*>::iterator it, end = this->enabledFields.end(); |
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332 | for (it = this->enabledFields.begin(); it != end; it++) |
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333 | { |
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334 | (*it)->resetNStep(); |
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335 | (*it)->resetNStepMax(); |
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336 | } |
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337 | if (mode.isEmpty() || mode.getValue() == mode_attr::write) |
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338 | createHeader(); |
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339 | else |
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340 | openInReadMode(); |
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341 | return true; |
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342 | } |
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343 | } |
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344 | return false; |
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345 | } |
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346 | |
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347 | /*! |
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348 | \brief Create header of netcdf file |
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349 | There are some information to fill in header of each netcdf. |
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350 | */ |
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351 | void CFile::createHeader(void) |
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352 | { |
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353 | CContext* context = CContext::getCurrent(); |
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354 | CContextServer* server = context->server; |
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355 | |
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356 | if (!allDomainEmpty) |
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357 | { |
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358 | StdString filename = getFileOutputName(); |
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359 | StdOStringStream oss; |
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360 | oss << filename; |
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361 | if (!name_suffix.isEmpty()) oss << name_suffix.getValue(); |
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362 | |
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363 | if (!split_freq.isEmpty()) |
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364 | { |
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365 | CDate splitEnd = lastSplit + split_freq - 1 * Second; |
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366 | |
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367 | string splitFormat; |
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368 | if (split_freq_format.isEmpty()) |
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369 | { |
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370 | if (split_freq.getValue().second != 0) splitFormat = "%y%mo%d%h%mi%s"; |
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371 | else if (split_freq.getValue().minute != 0) splitFormat = "%y%mo%d%h%mi"; |
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372 | else if (split_freq.getValue().hour != 0) splitFormat = "%y%mo%d%h"; |
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373 | else if (split_freq.getValue().day != 0) splitFormat = "%y%mo%d"; |
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374 | else if (split_freq.getValue().month != 0) splitFormat = "%y%mo"; |
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375 | else splitFormat = "%y"; |
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376 | } |
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377 | else splitFormat = split_freq_format; |
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378 | |
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379 | oss << "_" << lastSplit.getStr(splitFormat) << "-" << splitEnd.getStr(splitFormat); |
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380 | |
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381 | context->registryOut->setKey("splitStart", lastSplit); |
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382 | context->registryOut->setKey("splitEnd", splitEnd); |
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383 | } |
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384 | |
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385 | bool append = !this->append.isEmpty() && this->append.getValue(); |
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386 | |
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387 | bool useClassicFormat = !format.isEmpty() && format == format_attr::netcdf4_classic; |
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388 | |
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389 | bool multifile = true; |
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390 | if (!type.isEmpty()) |
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391 | { |
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392 | if (type == type_attr::one_file) multifile = false; |
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393 | else if (type == type_attr::multiple_file) multifile = true; |
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394 | |
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395 | } |
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396 | #ifndef USING_NETCDF_PAR |
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397 | if (!multifile) |
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398 | { |
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399 | info(0) << "!!! Warning -> Using non parallel version of netcdf, switching in multiple_file mode for file : " << filename << " ..." << endl; |
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400 | multifile = true; |
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401 | } |
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402 | #endif |
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403 | if (multifile) |
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404 | { |
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405 | int commSize, commRank; |
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406 | MPI_Comm_size(fileComm, &commSize); |
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407 | MPI_Comm_rank(fileComm, &commRank); |
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408 | |
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409 | if (server->intraCommSize > 1) |
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410 | { |
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411 | oss << "_" ; |
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412 | int width=0; int n = commSize-1; |
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413 | while (n != 0) { n = n / 10; width++;} |
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414 | if (!min_digits.isEmpty()) |
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415 | if (width < min_digits) width = min_digits; |
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416 | oss.width(width); |
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417 | oss.fill('0'); |
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418 | oss << right << commRank; |
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419 | } |
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420 | } |
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421 | oss << ".nc"; |
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422 | |
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423 | bool isCollective = par_access.isEmpty() || par_access == par_access_attr::collective; |
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424 | |
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425 | if (isOpen) data_out->closeFile(); |
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426 | |
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427 | data_out = shared_ptr<CDataOutput>(new CNc4DataOutput(oss.str(), append, useClassicFormat, |
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428 | fileComm, multifile, isCollective, time_counter_name)); |
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429 | isOpen = true; |
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430 | |
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431 | data_out->writeFile(CFile::get(this)); |
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432 | |
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433 | // Do not recreate the file structure if opening an existing file |
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434 | if (!data_out->IsInAppendMode()) |
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435 | { |
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436 | std::vector<CField*>::iterator it, end = this->enabledFields.end(); |
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437 | for (it = this->enabledFields.begin(); it != end; it++) |
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438 | { |
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439 | CField* field = *it; |
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440 | this->data_out->writeFieldGrid(field); |
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441 | } |
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442 | this->data_out->writeTimeDimension(); |
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443 | |
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444 | for (it = this->enabledFields.begin(); it != end; it++) |
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445 | { |
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446 | CField* field = *it; |
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447 | this->data_out->writeField(field); |
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448 | } |
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449 | |
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450 | vector<CVariable*> listVars = getAllVariables(); |
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451 | for (vector<CVariable*>::iterator it = listVars.begin(); it != listVars.end(); it++) |
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452 | this->data_out->writeAttribute(*it); |
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453 | |
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454 | this->data_out->definition_end(); |
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455 | } |
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456 | } |
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457 | } |
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458 | |
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459 | /*! |
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460 | \brief Open an existing NetCDF file in read-only mode |
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461 | */ |
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462 | void CFile::openInReadMode(void) |
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463 | { |
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464 | CContext* context = CContext::getCurrent(); |
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465 | CContextServer* server = context->server; |
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466 | |
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467 | if (!allDomainEmpty) |
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468 | { |
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469 | StdString filename = getFileOutputName(); |
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470 | StdOStringStream oss; |
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471 | oss << filename; |
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472 | if (!name_suffix.isEmpty()) oss << name_suffix.getValue(); |
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473 | |
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474 | if (!split_freq.isEmpty()) |
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475 | { |
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476 | string splitFormat; |
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477 | if (split_freq_format.isEmpty()) |
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478 | { |
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479 | if (split_freq.getValue().second != 0) splitFormat = "%y%mo%d%h%mi%s"; |
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480 | else if (split_freq.getValue().minute != 0) splitFormat = "%y%mo%d%h%mi"; |
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481 | else if (split_freq.getValue().hour != 0) splitFormat = "%y%mo%d%h"; |
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482 | else if (split_freq.getValue().day != 0) splitFormat = "%y%mo%d"; |
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483 | else if (split_freq.getValue().month != 0) splitFormat = "%y%mo"; |
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484 | else splitFormat = "%y"; |
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485 | } |
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486 | else splitFormat = split_freq_format; |
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487 | oss << "_" << lastSplit.getStr(splitFormat) |
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488 | << "-" << (lastSplit + split_freq.getValue() - 1 * Second).getStr(splitFormat); |
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489 | } |
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490 | |
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491 | bool multifile = true; |
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492 | if (!type.isEmpty()) |
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493 | { |
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494 | if (type == type_attr::one_file) multifile = false; |
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495 | else if (type == type_attr::multiple_file) multifile = true; |
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496 | } |
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497 | #ifndef USING_NETCDF_PAR |
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498 | if (!multifile) |
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499 | { |
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500 | info(0) << "!!! Warning -> Using non parallel version of netcdf, switching in multiple_file mode for file : " << filename << " ..." << endl; |
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501 | multifile = true; |
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502 | } |
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503 | #endif |
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504 | if (multifile) |
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505 | { |
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506 | int commSize, commRank; |
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507 | MPI_Comm_size(fileComm, &commSize); |
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508 | MPI_Comm_rank(fileComm, &commRank); |
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509 | |
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510 | if (server->intraCommSize > 1) |
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511 | { |
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512 | oss << "_"; |
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513 | int width = 0, n = commSize - 1; |
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514 | while (n != 0) { n = n / 10; width++; } |
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515 | if (!min_digits.isEmpty() && width < min_digits) |
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516 | width = min_digits; |
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517 | oss.width(width); |
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518 | oss.fill('0'); |
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519 | oss << right << commRank; |
---|
520 | } |
---|
521 | } |
---|
522 | oss << ".nc"; |
---|
523 | |
---|
524 | bool isCollective = par_access.isEmpty() || par_access == par_access_attr::collective; |
---|
525 | |
---|
526 | if (isOpen) data_out->closeFile(); |
---|
527 | if (time_counter_name.isEmpty()) data_in = shared_ptr<CDataInput>(new CNc4DataInput(oss.str(), fileComm, multifile, isCollective)); |
---|
528 | else data_in = shared_ptr<CDataInput>(new CNc4DataInput(oss.str(), fileComm, multifile, isCollective, time_counter_name)); |
---|
529 | isOpen = true; |
---|
530 | } |
---|
531 | } |
---|
532 | |
---|
533 | //! Close file |
---|
534 | void CFile::close(void) |
---|
535 | { |
---|
536 | if (!allDomainEmpty) |
---|
537 | if (isOpen) |
---|
538 | { |
---|
539 | if (mode.isEmpty() || mode.getValue() == mode_attr::write) |
---|
540 | this->data_out->closeFile(); |
---|
541 | else |
---|
542 | this->data_in->closeFile(); |
---|
543 | } |
---|
544 | if (fileComm != MPI_COMM_NULL) MPI_Comm_free(&fileComm); |
---|
545 | } |
---|
546 | //---------------------------------------------------------------- |
---|
547 | |
---|
548 | void CFile::readAttributesOfEnabledFieldsInReadMode() |
---|
549 | { |
---|
550 | if (enabledFields.empty()) return; |
---|
551 | |
---|
552 | // Just check file and try to open it |
---|
553 | CContext* context = CContext::getCurrent(); |
---|
554 | CContextClient* client=context->client; |
---|
555 | |
---|
556 | // It would probably be better to call initFile() somehow |
---|
557 | MPI_Comm_dup(client->intraComm, &fileComm); |
---|
558 | if (time_counter_name.isEmpty()) time_counter_name = "time_counter"; |
---|
559 | |
---|
560 | checkFile(); |
---|
561 | |
---|
562 | for (int idx = 0; idx < enabledFields.size(); ++idx) |
---|
563 | { |
---|
564 | // First of all, find out which domain and axis associated with this field |
---|
565 | enabledFields[idx]->solveGridReference(); |
---|
566 | |
---|
567 | // Read attributes of domain and axis from this file |
---|
568 | this->data_in->readFieldAttributesMetaData(enabledFields[idx]); |
---|
569 | |
---|
570 | // Now complete domain and axis associated with this field |
---|
571 | enabledFields[idx]->solveGenerateGrid(); |
---|
572 | |
---|
573 | // Read necessary value from file |
---|
574 | this->data_in->readFieldAttributesValues(enabledFields[idx]); |
---|
575 | |
---|
576 | // Fill attributes for base reference |
---|
577 | enabledFields[idx]->solveGridDomainAxisBaseRef(); |
---|
578 | } |
---|
579 | |
---|
580 | // Now everything is ok, close it |
---|
581 | close(); |
---|
582 | } |
---|
583 | |
---|
584 | |
---|
585 | /*! |
---|
586 | \brief Parse xml file and write information into file object |
---|
587 | \param [in] node xmld node corresponding in xml file |
---|
588 | */ |
---|
589 | void CFile::parse(xml::CXMLNode & node) |
---|
590 | { |
---|
591 | SuperClass::parse(node); |
---|
592 | |
---|
593 | if (node.goToChildElement()) |
---|
594 | { |
---|
595 | do |
---|
596 | { |
---|
597 | if (node.getElementName()=="field" || node.getElementName()=="field_group") this->getVirtualFieldGroup()->parseChild(node); |
---|
598 | else if (node.getElementName()=="variable" || node.getElementName()=="variable_group") this->getVirtualVariableGroup()->parseChild(node); |
---|
599 | } while (node.goToNextElement()); |
---|
600 | node.goToParentElement(); |
---|
601 | } |
---|
602 | |
---|
603 | } |
---|
604 | //---------------------------------------------------------------- |
---|
605 | |
---|
606 | /*! |
---|
607 | \brief Represent a file in form of string with all its info |
---|
608 | \return String |
---|
609 | */ |
---|
610 | StdString CFile::toString(void) const |
---|
611 | { |
---|
612 | StdOStringStream oss; |
---|
613 | |
---|
614 | oss << "<" << CFile::GetName() << " "; |
---|
615 | if (this->hasId()) |
---|
616 | oss << " id=\"" << this->getId() << "\" "; |
---|
617 | oss << SuperClassAttribute::toString() << ">" << std::endl; |
---|
618 | if (this->getVirtualFieldGroup() != NULL) |
---|
619 | oss << *this->getVirtualFieldGroup() << std::endl; |
---|
620 | oss << "</" << CFile::GetName() << " >"; |
---|
621 | return (oss.str()); |
---|
622 | } |
---|
623 | |
---|
624 | //---------------------------------------------------------------- |
---|
625 | |
---|
626 | /*! |
---|
627 | \brief Find all inheritace among objects in a file. |
---|
628 | \param [in] apply (true) write attributes of parent into ones of child if they are empty |
---|
629 | (false) write attributes of parent into a new container of child |
---|
630 | \param [in] parent |
---|
631 | */ |
---|
632 | void CFile::solveDescInheritance(bool apply, const CAttributeMap * const parent) |
---|
633 | { |
---|
634 | SuperClassAttribute::setAttributes(parent,apply); |
---|
635 | this->getVirtualFieldGroup()->solveDescInheritance(apply, NULL); |
---|
636 | this->getVirtualVariableGroup()->solveDescInheritance(apply, NULL); |
---|
637 | } |
---|
638 | |
---|
639 | //---------------------------------------------------------------- |
---|
640 | |
---|
641 | /*! |
---|
642 | \brief Resolve all reference of active fields. |
---|
643 | In order to know exactly which data each active field has, a search for all its |
---|
644 | reference to find its parents or/and its base reference object must be done. Moreover |
---|
645 | during this search, there are some information that can only be sent to server AFTER |
---|
646 | all information of active fields are created on server side, e.g: checking mask or index |
---|
647 | \param [in] sendToServer: Send all info to server (true) or only a part of it (false) |
---|
648 | */ |
---|
649 | void CFile::solveAllRefOfEnabledFields(bool sendToServer) |
---|
650 | { |
---|
651 | int size = this->enabledFields.size(); |
---|
652 | for (int i = 0; i < size; ++i) |
---|
653 | { |
---|
654 | this->enabledFields[i]->solveAllReferenceEnabledField(sendToServer); |
---|
655 | } |
---|
656 | } |
---|
657 | |
---|
658 | /*! |
---|
659 | * Constructs the filter graph for each active field. |
---|
660 | * |
---|
661 | * \param gc the garbage collector to use when building the filter graph |
---|
662 | */ |
---|
663 | void CFile::buildFilterGraphOfEnabledFields(CGarbageCollector& gc) |
---|
664 | { |
---|
665 | int size = this->enabledFields.size(); |
---|
666 | for (int i = 0; i < size; ++i) |
---|
667 | { |
---|
668 | this->enabledFields[i]->buildFilterGraph(gc, true); |
---|
669 | } |
---|
670 | } |
---|
671 | |
---|
672 | /*! |
---|
673 | Prefetching the data for enabled fields read from file. |
---|
674 | */ |
---|
675 | void CFile::prefetchEnabledReadModeFields(void) |
---|
676 | { |
---|
677 | if (mode.isEmpty() || mode.getValue() != mode_attr::read) |
---|
678 | return; |
---|
679 | |
---|
680 | int size = this->enabledFields.size(); |
---|
681 | for (int i = 0; i < size; ++i) |
---|
682 | this->enabledFields[i]->sendReadDataRequest(); |
---|
683 | } |
---|
684 | |
---|
685 | /*! |
---|
686 | Prefetching the data for enabled fields read from file whose data is out-of-date. |
---|
687 | */ |
---|
688 | void CFile::prefetchEnabledReadModeFieldsIfNeeded(void) |
---|
689 | { |
---|
690 | if (mode.isEmpty() || mode.getValue() != mode_attr::read) |
---|
691 | return; |
---|
692 | |
---|
693 | int size = this->enabledFields.size(); |
---|
694 | for (int i = 0; i < size; ++i) |
---|
695 | this->enabledFields[i]->sendReadDataRequestIfNeeded(); |
---|
696 | } |
---|
697 | |
---|
698 | void CFile::solveFieldRefInheritance(bool apply) |
---|
699 | { |
---|
700 | // Résolution des héritages par référence de chacun des champs contenus dans le fichier. |
---|
701 | std::vector<CField*> allF = this->getAllFields(); |
---|
702 | for (unsigned int i = 0; i < allF.size(); i++) |
---|
703 | allF[i]->solveRefInheritance(apply); |
---|
704 | } |
---|
705 | |
---|
706 | //---------------------------------------------------------------- |
---|
707 | |
---|
708 | /*! |
---|
709 | \brief Add a field into file. |
---|
710 | A field is added into file and it will be written out if the file is enabled and |
---|
711 | level of this field is smaller than level_output. A new field won't be created if one |
---|
712 | with id has already existed |
---|
713 | \param [in] id String identity of new field |
---|
714 | \return Pointer to added (or already existed) field |
---|
715 | */ |
---|
716 | CField* CFile::addField(const string& id) |
---|
717 | { |
---|
718 | return vFieldGroup->createChild(id); |
---|
719 | } |
---|
720 | |
---|
721 | /*! |
---|
722 | \brief Add a field group into file. |
---|
723 | A field group is added into file and it will play a role as parents for fields. |
---|
724 | A new field group won't be created if one with id has already existed |
---|
725 | \param [in] id String identity of new field group |
---|
726 | \return Pointer to added (or already existed) field group |
---|
727 | */ |
---|
728 | CFieldGroup* CFile::addFieldGroup(const string& id) |
---|
729 | { |
---|
730 | return vFieldGroup->createChildGroup(id); |
---|
731 | } |
---|
732 | |
---|
733 | /*! |
---|
734 | \brief Add a variable into file. |
---|
735 | A variable is added into file and if one with id has already existed, pointer to |
---|
736 | it will be returned. |
---|
737 | Variable as long as attributes are information container of file. |
---|
738 | However, whereas attributes are "fixed" information, variables provides a more flexible way to user |
---|
739 | to fill in (extra) information for a file. |
---|
740 | \param [in] id String identity of new variable |
---|
741 | \return Pointer to added (or already existed) variable |
---|
742 | */ |
---|
743 | CVariable* CFile::addVariable(const string& id) |
---|
744 | { |
---|
745 | return vVariableGroup->createChild(id); |
---|
746 | } |
---|
747 | |
---|
748 | /*! |
---|
749 | \brief Add a variable group into file. |
---|
750 | A variable group is added into file and it will play a role as parents for variables. |
---|
751 | A new variable group won't be created if one with id has already existed |
---|
752 | \param [in] id String identity of new variable group |
---|
753 | \return Pointer to added (or already existed) variable group |
---|
754 | */ |
---|
755 | CVariableGroup* CFile::addVariableGroup(const string& id) |
---|
756 | { |
---|
757 | return vVariableGroup->createChildGroup(id); |
---|
758 | } |
---|
759 | |
---|
760 | /*! |
---|
761 | \brief Send a message to create a field on server side |
---|
762 | \param[in] id String identity of field that will be created on server |
---|
763 | */ |
---|
764 | void CFile::sendAddField(const string& id) |
---|
765 | { |
---|
766 | CContext* context = CContext::getCurrent(); |
---|
767 | |
---|
768 | if (! context->hasServer ) |
---|
769 | { |
---|
770 | CContextClient* client = context->client; |
---|
771 | |
---|
772 | CEventClient event(this->getType(),EVENT_ID_ADD_FIELD); |
---|
773 | if (client->isServerLeader()) |
---|
774 | { |
---|
775 | CMessage msg; |
---|
776 | msg << this->getId(); |
---|
777 | msg << id; |
---|
778 | const std::list<int>& ranks = client->getRanksServerLeader(); |
---|
779 | for (std::list<int>::const_iterator itRank = ranks.begin(), itRankEnd = ranks.end(); itRank != itRankEnd; ++itRank) |
---|
780 | event.push(*itRank,1,msg); |
---|
781 | client->sendEvent(event); |
---|
782 | } |
---|
783 | else client->sendEvent(event); |
---|
784 | } |
---|
785 | |
---|
786 | } |
---|
787 | |
---|
788 | /*! |
---|
789 | \brief Send a message to create a field group on server side |
---|
790 | \param[in] id String identity of field group that will be created on server |
---|
791 | */ |
---|
792 | void CFile::sendAddFieldGroup(const string& id) |
---|
793 | { |
---|
794 | CContext* context = CContext::getCurrent(); |
---|
795 | if (! context->hasServer ) |
---|
796 | { |
---|
797 | CContextClient* client = context->client; |
---|
798 | |
---|
799 | CEventClient event(this->getType(),EVENT_ID_ADD_FIELD_GROUP); |
---|
800 | if (client->isServerLeader()) |
---|
801 | { |
---|
802 | CMessage msg; |
---|
803 | msg << this->getId(); |
---|
804 | msg << id; |
---|
805 | const std::list<int>& ranks = client->getRanksServerLeader(); |
---|
806 | for (std::list<int>::const_iterator itRank = ranks.begin(), itRankEnd = ranks.end(); itRank != itRankEnd; ++itRank) |
---|
807 | event.push(*itRank,1,msg); |
---|
808 | client->sendEvent(event); |
---|
809 | } |
---|
810 | else client->sendEvent(event); |
---|
811 | } |
---|
812 | |
---|
813 | } |
---|
814 | |
---|
815 | /*! |
---|
816 | \brief Receive a message annoucing the creation of a field on server side |
---|
817 | \param[in] event Received event |
---|
818 | */ |
---|
819 | void CFile::recvAddField(CEventServer& event) |
---|
820 | { |
---|
821 | |
---|
822 | CBufferIn* buffer = event.subEvents.begin()->buffer; |
---|
823 | string id; |
---|
824 | *buffer>>id; |
---|
825 | get(id)->recvAddField(*buffer); |
---|
826 | } |
---|
827 | |
---|
828 | /*! |
---|
829 | \brief Receive a message annoucing the creation of a field on server side |
---|
830 | \param[in] buffer Buffer containing message |
---|
831 | */ |
---|
832 | void CFile::recvAddField(CBufferIn& buffer) |
---|
833 | { |
---|
834 | string id; |
---|
835 | buffer>>id; |
---|
836 | addField(id); |
---|
837 | } |
---|
838 | |
---|
839 | /*! |
---|
840 | \brief Receive a message annoucing the creation of a field group on server side |
---|
841 | \param[in] event Received event |
---|
842 | */ |
---|
843 | void CFile::recvAddFieldGroup(CEventServer& event) |
---|
844 | { |
---|
845 | |
---|
846 | CBufferIn* buffer = event.subEvents.begin()->buffer; |
---|
847 | string id; |
---|
848 | *buffer>>id; |
---|
849 | get(id)->recvAddFieldGroup(*buffer); |
---|
850 | } |
---|
851 | |
---|
852 | /*! |
---|
853 | \brief Receive a message annoucing the creation of a field group on server side |
---|
854 | \param[in] buffer Buffer containing message |
---|
855 | */ |
---|
856 | void CFile::recvAddFieldGroup(CBufferIn& buffer) |
---|
857 | { |
---|
858 | string id; |
---|
859 | buffer>>id; |
---|
860 | addFieldGroup(id); |
---|
861 | } |
---|
862 | |
---|
863 | /*! |
---|
864 | \brief Send messages to duplicate all variables on server side |
---|
865 | Because each variable has also its attributes. So first thing to do is replicate |
---|
866 | all these attributes on server side. Because variable can have a value, the second thing |
---|
867 | is to duplicate this value on server, too. |
---|
868 | */ |
---|
869 | void CFile::sendAddAllVariables() |
---|
870 | { |
---|
871 | if (!getAllVariables().empty()) |
---|
872 | { |
---|
873 | // Firstly, it's necessary to add virtual variable group |
---|
874 | sendAddVariableGroup(getVirtualVariableGroup()->getId()); |
---|
875 | |
---|
876 | // Okie, now we can add to this variable group |
---|
877 | std::vector<CVariable*> allVar = getAllVariables(); |
---|
878 | std::vector<CVariable*>::const_iterator it = allVar.begin(); |
---|
879 | std::vector<CVariable*>::const_iterator itE = allVar.end(); |
---|
880 | |
---|
881 | for (; it != itE; ++it) |
---|
882 | { |
---|
883 | this->sendAddVariable((*it)->getId()); |
---|
884 | (*it)->sendAllAttributesToServer(); |
---|
885 | (*it)->sendValue(); |
---|
886 | } |
---|
887 | } |
---|
888 | } |
---|
889 | |
---|
890 | /*! |
---|
891 | \brief Send a message to create a variable on server side |
---|
892 | A variable always belongs to a variable group |
---|
893 | \param[in] id String identity of variable that will be created on server |
---|
894 | */ |
---|
895 | void CFile::sendAddVariable(const string& id) |
---|
896 | { |
---|
897 | CContext* context = CContext::getCurrent(); |
---|
898 | |
---|
899 | if (! context->hasServer ) |
---|
900 | { |
---|
901 | CContextClient* client = context->client; |
---|
902 | |
---|
903 | CEventClient event(this->getType(),EVENT_ID_ADD_VARIABLE); |
---|
904 | if (client->isServerLeader()) |
---|
905 | { |
---|
906 | CMessage msg; |
---|
907 | msg << this->getId(); |
---|
908 | msg << id; |
---|
909 | const std::list<int>& ranks = client->getRanksServerLeader(); |
---|
910 | for (std::list<int>::const_iterator itRank = ranks.begin(), itRankEnd = ranks.end(); itRank != itRankEnd; ++itRank) |
---|
911 | event.push(*itRank,1,msg); |
---|
912 | client->sendEvent(event); |
---|
913 | } |
---|
914 | else client->sendEvent(event); |
---|
915 | } |
---|
916 | |
---|
917 | } |
---|
918 | |
---|
919 | /*! |
---|
920 | \brief Send a message to create a variable group on server side |
---|
921 | \param[in] id String identity of variable group that will be created on server |
---|
922 | */ |
---|
923 | void CFile::sendAddVariableGroup(const string& id) |
---|
924 | { |
---|
925 | CContext* context = CContext::getCurrent(); |
---|
926 | if (! context->hasServer ) |
---|
927 | { |
---|
928 | CContextClient* client = context->client; |
---|
929 | |
---|
930 | CEventClient event(this->getType(),EVENT_ID_ADD_VARIABLE_GROUP); |
---|
931 | if (client->isServerLeader()) |
---|
932 | { |
---|
933 | CMessage msg; |
---|
934 | msg << this->getId(); |
---|
935 | msg << id; |
---|
936 | const std::list<int>& ranks = client->getRanksServerLeader(); |
---|
937 | for (std::list<int>::const_iterator itRank = ranks.begin(), itRankEnd = ranks.end(); itRank != itRankEnd; ++itRank) |
---|
938 | event.push(*itRank,1,msg); |
---|
939 | client->sendEvent(event); |
---|
940 | } |
---|
941 | else client->sendEvent(event); |
---|
942 | } |
---|
943 | |
---|
944 | } |
---|
945 | |
---|
946 | /*! |
---|
947 | \brief Receive a message annoucing the creation of a variable on server side |
---|
948 | \param[in] event Received event |
---|
949 | */ |
---|
950 | void CFile::recvAddVariable(CEventServer& event) |
---|
951 | { |
---|
952 | |
---|
953 | CBufferIn* buffer = event.subEvents.begin()->buffer; |
---|
954 | string id; |
---|
955 | *buffer>>id; |
---|
956 | get(id)->recvAddVariable(*buffer); |
---|
957 | } |
---|
958 | |
---|
959 | /*! |
---|
960 | \brief Receive a message annoucing the creation of a variable on server side |
---|
961 | \param[in] buffer Buffer containing message |
---|
962 | */ |
---|
963 | void CFile::recvAddVariable(CBufferIn& buffer) |
---|
964 | { |
---|
965 | string id; |
---|
966 | buffer>>id; |
---|
967 | addVariable(id); |
---|
968 | } |
---|
969 | |
---|
970 | /*! |
---|
971 | \brief Receive a message annoucing the creation of a variable group on server side |
---|
972 | \param[in] event Received event |
---|
973 | */ |
---|
974 | void CFile::recvAddVariableGroup(CEventServer& event) |
---|
975 | { |
---|
976 | |
---|
977 | CBufferIn* buffer = event.subEvents.begin()->buffer; |
---|
978 | string id; |
---|
979 | *buffer>>id; |
---|
980 | get(id)->recvAddVariableGroup(*buffer); |
---|
981 | } |
---|
982 | |
---|
983 | /*! |
---|
984 | \brief Receive a message annoucing the creation of a variable group on server side |
---|
985 | \param[in] buffer Buffer containing message |
---|
986 | */ |
---|
987 | void CFile::recvAddVariableGroup(CBufferIn& buffer) |
---|
988 | { |
---|
989 | string id; |
---|
990 | buffer>>id; |
---|
991 | addVariableGroup(id); |
---|
992 | } |
---|
993 | |
---|
994 | /*! |
---|
995 | \brief Sending all active (enabled) fields from client to server. |
---|
996 | Each field is identified uniquely by its string identity. Not only should we |
---|
997 | send the id to server but also we need to send ids of reference domain and reference axis. |
---|
998 | With these two id, it's easier to make reference to grid where all data should be written. |
---|
999 | Remark: This function must be called AFTER all active (enabled) files have been created on the server side |
---|
1000 | */ |
---|
1001 | void CFile::sendEnabledFields() |
---|
1002 | { |
---|
1003 | size_t size = this->enabledFields.size(); |
---|
1004 | for (size_t i = 0; i < size; ++i) |
---|
1005 | { |
---|
1006 | CField* field = this->enabledFields[i]; |
---|
1007 | this->sendAddField(field->getId()); |
---|
1008 | field->sendAllAttributesToServer(); |
---|
1009 | field->sendAddAllVariables(); |
---|
1010 | } |
---|
1011 | } |
---|
1012 | |
---|
1013 | /*! |
---|
1014 | \brief Dispatch event received from client |
---|
1015 | Whenever a message is received in buffer of server, it will be processed depending on |
---|
1016 | its event type. A new event type should be added in the switch list to make sure |
---|
1017 | it processed on server side. |
---|
1018 | \param [in] event: Received message |
---|
1019 | */ |
---|
1020 | bool CFile::dispatchEvent(CEventServer& event) |
---|
1021 | { |
---|
1022 | if (SuperClass::dispatchEvent(event)) return true; |
---|
1023 | else |
---|
1024 | { |
---|
1025 | switch(event.type) |
---|
1026 | { |
---|
1027 | case EVENT_ID_ADD_FIELD : |
---|
1028 | recvAddField(event); |
---|
1029 | return true; |
---|
1030 | break; |
---|
1031 | |
---|
1032 | case EVENT_ID_ADD_FIELD_GROUP : |
---|
1033 | recvAddFieldGroup(event); |
---|
1034 | return true; |
---|
1035 | break; |
---|
1036 | |
---|
1037 | case EVENT_ID_ADD_VARIABLE : |
---|
1038 | recvAddVariable(event); |
---|
1039 | return true; |
---|
1040 | break; |
---|
1041 | |
---|
1042 | case EVENT_ID_ADD_VARIABLE_GROUP : |
---|
1043 | recvAddVariableGroup(event); |
---|
1044 | return true; |
---|
1045 | break; |
---|
1046 | default : |
---|
1047 | ERROR("bool CFile::dispatchEvent(CEventServer& event)", << "Unknown Event"); |
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1048 | return false; |
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1049 | } |
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1050 | } |
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1051 | } |
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1052 | |
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1053 | |
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1054 | |
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1055 | |
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1056 | ///--------------------------------------------------------------- |
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1057 | |
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1058 | } // namespace xios |
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