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1 /* |
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2 * Copyright (c) 2002-2007 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Provides initializing of landmark database |
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15 * |
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16 * |
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17 */ |
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18 |
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19 |
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20 #include <d32dbms.h> |
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21 |
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22 #include <epos_poslmcategoryhandler.h> |
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23 #include <epos_cposlmglobalcategoryreader.h> |
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24 #include <epos_landmarkdatabasestructure.h> |
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25 #include <epos_poslmdatabaseutility.h> |
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26 |
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27 #include "epos_lmdebug.h" |
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28 #include "EPos_PosLmServerCommon.h" |
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29 #include "EPos_CPosLmServer.h" |
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30 #include "EPos_CPosLmNameIndex.h" |
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31 #include "epos_cposlmindexmanager.h" |
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32 #include "epos_poslmserverutility.h" |
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33 #include "EPos_CPosLmInitializer.h" |
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34 |
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35 const TInt KEstimatedNoOfGlobalCategories = 15; |
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36 |
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37 // ============================ MEMBER FUNCTIONS =============================== |
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38 |
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39 // ----------------------------------------------------------------------------- |
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40 // ----------------------------------------------------------------------------- |
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41 // |
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42 CPosLmInitializer::CPosLmInitializer( |
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43 CPosLmServer& aServer, |
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44 MPosLmServerOperationObserver* aObserver) |
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45 : CPosLmServerOperation( aServer, aObserver ) |
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46 { |
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47 } |
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48 |
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49 // ----------------------------------------------------------------------------- |
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50 // ----------------------------------------------------------------------------- |
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51 // |
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52 void CPosLmInitializer::ConstructL( const TDesC& aUri ) |
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53 { |
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54 BaseConstructL(aUri); |
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55 |
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56 iGlCatReader = CPosLmGlobalCategoryReader::NewL(); |
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57 iGlobalCategoryCount = iGlCatReader->Count(); |
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58 |
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59 iPhase = EPhaseRecovering; |
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60 CompleteSelf(); |
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61 } |
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62 |
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63 // ----------------------------------------------------------------------------- |
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64 // ----------------------------------------------------------------------------- |
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65 // |
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66 CPosLmInitializer* CPosLmInitializer::NewL( |
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67 CPosLmServer& aServer, |
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68 MPosLmServerOperationObserver* aObserver, |
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69 const TDesC& aUri ) |
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70 { |
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71 CPosLmInitializer* self = new( ELeave ) CPosLmInitializer( aServer, aObserver ); |
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72 CleanupStack::PushL( self ); |
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73 self->ConstructL( aUri ); |
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74 CleanupStack::Pop( self ); |
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75 return self; |
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76 } |
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77 |
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78 // ----------------------------------------------------------------------------- |
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79 // ----------------------------------------------------------------------------- |
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80 // |
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81 CPosLmInitializer::~CPosLmInitializer() |
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82 { |
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83 delete iGlCatReader; |
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84 } |
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85 |
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86 // ----------------------------------------------------------------------------- |
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87 // ----------------------------------------------------------------------------- |
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88 // |
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89 void CPosLmInitializer::RunL() |
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90 { |
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91 if ( iStatusFlag == KPosLmOperationNotComplete ) |
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92 { |
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93 NextStepL(); // perform one more step |
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94 } |
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95 |
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96 if ( iStatusFlag == KPosLmOperationNotComplete ) |
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97 { |
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98 CompleteSelf(); // continue executing |
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99 } |
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100 // else - stop executing, operation complete |
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101 |
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102 NotifyClients(); |
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103 } |
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104 |
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105 // ----------------------------------------------------------------------------- |
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106 // ----------------------------------------------------------------------------- |
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107 // |
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108 TInt CPosLmInitializer::RunError( TInt aError ) |
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109 { |
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110 if ( aError == KErrDiskFull && |
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111 ( iPhase == EPhaseCreatingLmFieldIndex || |
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112 iPhase == EPhaseCreatingLmCatIndex ) ) |
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113 { |
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114 iPhase++; // ignore these phases |
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115 CompleteSelf(); // and continue |
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116 return KErrNone; |
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117 } |
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118 else |
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119 { |
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120 return CPosLmServerOperation::RunError( aError ); |
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121 } |
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122 } |
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123 |
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124 // ----------------------------------------------------------------------------- |
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125 // ----------------------------------------------------------------------------- |
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126 // |
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127 void CPosLmInitializer::NextStepL() |
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128 { |
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129 TReal32 phaseProgress = 0.0; |
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130 switch ( iPhase ) |
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131 { |
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132 case EPhaseRecovering: |
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133 phaseProgress = RecoveryNextStepL(); |
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134 break; |
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135 case EPhaseCreateCatsStart: |
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136 case EPhaseCreatingCats: |
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137 phaseProgress = CreateCategoriesNextStepL(); |
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138 break; |
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139 case EPhaseUpdateCatsStart: |
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140 case EPhaseUpdatingCats: |
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141 phaseProgress = UpdateCategoriesNextStepL(); |
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142 break; |
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143 case EPhaseCreatingLmFieldIndex: |
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144 phaseProgress = CreateLmFieldIndexNextStepL(); |
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145 break; |
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146 case EPhaseCreatingLmCatIndex: |
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147 phaseProgress = CreateLmCatIndexNextStepL(); |
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148 break; |
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149 case EPhaseCompacting: |
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150 phaseProgress = CompactNextStepL(); |
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151 break; |
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152 case EPhaseBuildingLmNameIndex: |
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153 phaseProgress = BuildLmNameIndexNextStepL(); |
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154 break; |
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155 default: |
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156 break; |
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157 } |
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158 |
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159 UpdateTotalProgress( phaseProgress ); |
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160 |
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161 if ( phaseProgress >= KOperationDone ) |
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162 { |
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163 LOG3("Initializer: phase %d, progress %5.2f ( db '%S')", |
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164 iPhase, iProgress, iDbUri ); |
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165 iPhase++; |
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166 } |
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167 |
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168 if ( iPhase == EPhaseDone ) |
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169 { |
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170 iProgress = KOperationDone; |
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171 iStatusFlag = KErrNone; |
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172 } |
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173 } |
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174 |
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175 // ----------------------------------------------------------------------------- |
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176 // ----------------------------------------------------------------------------- |
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177 // |
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178 TReal32 CPosLmInitializer::CreateCategoriesNextStepL() |
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179 { |
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180 TReal32 progress = 0.0; |
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181 |
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182 |
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183 switch ( iPhase ) |
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184 { |
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185 case EPhaseCreateCatsStart: |
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186 { |
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187 TBool initNeeded( EFalse ); |
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188 User::LeaveIfError( iDb->IsInitializeNeededL( initNeeded ) ); |
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189 |
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190 if ( initNeeded ) |
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191 { |
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192 iCategoryCounter = 0; |
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193 RemoveAllGlobalCategoriesL(); |
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194 } |
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195 else |
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196 { |
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197 progress = KOperationDone; |
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198 } |
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199 |
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200 iPhase = EPhaseCreatingCats; |
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201 break; |
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202 } |
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203 case EPhaseCreatingCats: |
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204 { |
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205 if ( iCategoryCounter < iGlobalCategoryCount ) |
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206 { |
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207 // Add global category to database |
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208 CPosLandmarkCategory* category = |
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209 iGlCatReader->GlobalCategoryLC( iCategoryCounter ); |
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210 |
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211 iDiskUtilities->DiskSpaceBelowCriticalLevelL( |
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212 iDiskUtilities->EstimatedDiskSizeOfLmOperation( |
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213 CPosLmDiskUtilities::EAddLmCategoryOp, *category ), iDbDrive ); |
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214 |
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215 PosLmCategoryHandler::AddCategoryL( *iDb, *category ); |
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216 CleanupStack::PopAndDestroy( category ); |
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217 |
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218 // Increase counter and calculate progress |
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219 ++iCategoryCounter; |
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220 progress = TReal32( iCategoryCounter ) / TReal32( iGlobalCategoryCount ); |
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221 } |
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222 break; |
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223 } |
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224 default: |
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225 break; |
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226 } |
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227 |
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228 // Check whether the operation is done or not |
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229 if ( iCategoryCounter >= iGlobalCategoryCount || iGlobalCategoryCount == 0 ) |
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230 { |
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231 progress = KOperationDone; |
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232 iDb->SetLanguageL( User::Language() ); |
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233 } |
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234 |
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235 if(progress == KOperationDone) |
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236 { |
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237 iDb->SetInitializeDoneL(); |
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238 } |
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239 |
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240 |
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241 return progress; |
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242 } |
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243 |
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244 // ----------------------------------------------------------------------------- |
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245 // ----------------------------------------------------------------------------- |
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246 // |
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247 TReal32 CPosLmInitializer::UpdateCategoriesNextStepL() |
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248 { |
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249 TReal32 progress = 0.0; |
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250 switch ( iPhase ) |
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251 { |
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252 case EPhaseUpdateCatsStart: |
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253 { |
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254 TBool langChangeNeeded( EFalse ); |
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255 iDb->IsLanguageChangeNeededL( langChangeNeeded ); |
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256 |
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257 if ( langChangeNeeded ) |
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258 { |
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259 iCategoryCounter = 0; |
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260 if ( iGlobalCategoryCount == 0 ) |
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261 { |
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262 // There are no global categories defined |
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263 // so remove them all from database |
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264 RemoveAllGlobalCategoriesL(); |
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265 progress = KOperationDone; |
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266 } |
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267 } |
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268 else |
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269 { |
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270 progress = KOperationDone; |
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271 } |
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272 iPhase = EPhaseUpdatingCats; |
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273 break; |
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274 } |
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275 case EPhaseUpdatingCats: |
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276 { |
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277 if ( iCategoryCounter < iGlobalCategoryCount ) |
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278 { |
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279 // Update global category in database |
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280 CPosLandmarkCategory* category = iGlCatReader->GlobalCategoryLC( iCategoryCounter ); |
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281 |
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282 iDiskUtilities->DiskSpaceBelowCriticalLevelL( |
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283 iDiskUtilities->EstimatedDiskSizeOfLmOperation( |
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284 CPosLmDiskUtilities::EUpdateLmCategoryOp, *category ), iDbDrive ); |
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285 |
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286 PosLmCategoryHandler::UpdateGlobalCategoryNameL( *iDb, *category ); |
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287 CleanupStack::PopAndDestroy( category ); |
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288 |
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289 // Increase counter and calculate progress |
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290 ++iCategoryCounter; |
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291 progress = TReal32( iCategoryCounter ) / TReal32( iGlobalCategoryCount ); |
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292 } |
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293 break; |
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294 } |
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295 default: |
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296 break; |
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297 } |
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298 |
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299 // Check whether the operation is done or not |
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300 if ( iCategoryCounter >= iGlobalCategoryCount || iGlobalCategoryCount == 0 ) |
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301 { |
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302 progress = KOperationDone; |
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303 } |
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304 |
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305 if ( progress == KOperationDone ) |
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306 { |
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307 iDb->SetLanguageL( User::Language() ); |
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308 } |
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309 |
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310 return progress; |
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311 } |
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312 |
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313 // ----------------------------------------------------------------------------- |
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314 // ----------------------------------------------------------------------------- |
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315 // |
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316 void CPosLmInitializer::RemoveAllGlobalCategoriesL() |
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317 { |
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318 iDiskUtilities->DiskSpaceBelowCriticalLevelL( |
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319 iDiskUtilities->EstimatedDiskSizeOfLmOperation( |
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320 CPosLmDiskUtilities::ERemoveLmCategoryOp, |
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321 TPosLmItemId()) * KEstimatedNoOfGlobalCategories, iDbDrive); |
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322 |
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323 PosLmCategoryHandler::RemoveAllGlobalCategoriesL( *iDb ); |
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324 } |
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325 |
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326 // ----------------------------------------------------------------------------- |
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327 // ----------------------------------------------------------------------------- |
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328 // |
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329 TReal32 CPosLmInitializer::CreateLmFieldIndexNextStepL() |
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330 { |
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331 if ( !iIncrementalStarted ) |
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332 { |
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333 iDiskUtilities->DiskSpaceBelowCriticalLevelL( |
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334 PosLmServerUtility::EstimatedDiskSizeOfIndex( |
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335 PosLmServerUtility::ECreateFieldsLmIdIndex, |
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336 PosLmServerUtility::GetTableRowCountL( *iDb, KPosLmLandmarkFieldTable ) ), |
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337 iDbDrive ); |
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338 |
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339 RDbNamedDatabase database; |
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340 iDb->GetDatabase( database ); |
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341 |
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342 if ( !PosLmServerUtility::IndexExistsL( database, KPosLmLandmarkFieldTable, KPosLmFieldsLmIdIndex ) ) |
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343 { |
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344 CDbKey* key = CDbKey::NewLC(); |
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345 key->AddL( TDbKeyCol( KPosLmLandmarkIdCol ) ); |
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346 |
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347 iDbIncremental.CreateIndex( |
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348 database, |
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349 KPosLmFieldsLmIdIndex, |
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350 KPosLmLandmarkFieldTable, |
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351 *key, |
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352 iIncrementalStep ); |
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353 CleanupStack::PopAndDestroy( key ); |
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354 |
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355 iIncrementalStartValue = iIncrementalStep; |
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356 iIncrementalStarted = ETrue; |
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357 iCompactRequired = ETrue; |
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358 } |
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359 else |
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360 { |
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361 return KOperationDone; |
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362 } |
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363 } |
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364 |
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365 return IncrementalStepL(); |
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366 } |
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367 |
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368 // ----------------------------------------------------------------------------- |
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369 // ----------------------------------------------------------------------------- |
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370 // |
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371 TReal32 CPosLmInitializer::CreateLmCatIndexNextStepL() |
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372 { |
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373 if ( !iIncrementalStarted ) |
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374 { |
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375 iDiskUtilities->DiskSpaceBelowCriticalLevelL( |
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376 PosLmServerUtility::EstimatedDiskSizeOfIndex( |
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377 PosLmServerUtility::ECreateCategoriesLmIdIndex, |
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378 PosLmServerUtility::GetTableRowCountL( *iDb, KPosLmLandmarkCategoryTable ) ), |
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379 iDbDrive ); |
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380 |
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381 RDbNamedDatabase database; |
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382 iDb->GetDatabase( database ); |
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383 |
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384 if ( !PosLmServerUtility::IndexExistsL( database, KPosLmLandmarkCategoryTable, KPosLmCategoryLmIdIndex ) ) |
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385 { |
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386 CDbKey* key = CDbKey::NewLC(); |
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387 key->AddL( TDbKeyCol( KPosLmLandmarkIdCol ) ); |
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388 |
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389 iDbIncremental.CreateIndex( |
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390 database, |
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391 KPosLmCategoryLmIdIndex, |
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392 KPosLmLandmarkCategoryTable, |
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393 *key, |
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394 iIncrementalStep ); |
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395 CleanupStack::PopAndDestroy( key ); |
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396 |
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397 iIncrementalStartValue = iIncrementalStep; |
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398 iIncrementalStarted = ETrue; |
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399 iCompactRequired = ETrue; |
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400 } |
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401 else |
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402 { |
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403 return KOperationDone; |
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404 } |
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405 } |
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406 |
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407 return IncrementalStepL(); |
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408 } |
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409 |
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410 // ----------------------------------------------------------------------------- |
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411 // ----------------------------------------------------------------------------- |
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412 // |
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413 TReal32 CPosLmInitializer::RecoveryNextStepL() |
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414 { |
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415 if ( !iIncrementalStarted ) |
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416 { |
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417 RDbNamedDatabase database; |
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418 iDb->GetDatabase( database ); |
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419 |
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420 if ( database.IsDamaged() ) |
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421 { |
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422 User::LeaveIfError( iDbIncremental.Recover( database, iIncrementalStep ) ); |
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423 iIncrementalStartValue = iIncrementalStep; |
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424 iIncrementalStarted = ETrue; |
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425 } |
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426 else |
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427 { |
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428 return KOperationDone; |
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429 } |
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430 } |
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431 |
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432 return IncrementalStepL(); |
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433 } |
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434 |
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435 // ----------------------------------------------------------------------------- |
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436 // ----------------------------------------------------------------------------- |
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437 // |
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438 TReal32 CPosLmInitializer::IncrementalStepL() |
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439 { |
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440 if ( iIncrementalStep > 0 ) |
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441 { |
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442 User::LeaveIfError( iDbIncremental.Next( iIncrementalStep ) ); |
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443 } |
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444 |
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445 if ( iIncrementalStep == 0 ) |
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446 { |
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447 iDbIncremental.Close(); |
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448 iIncrementalStarted = EFalse; |
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449 iIncrementalStep = 0; |
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450 return KOperationDone; |
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451 } |
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452 else |
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453 { |
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454 return TReal32( iIncrementalStartValue - iIncrementalStep ) / |
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455 TReal32( iIncrementalStartValue ); |
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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 // ----------------------------------------------------------------------------- |
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461 // |
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462 TReal32 CPosLmInitializer::BuildLmNameIndexNextStepL() |
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463 { |
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464 TReal32 progress = 0; |
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465 if ( iServer.IndexManager().Find( *iDbUri ) >= 0 ) |
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466 { |
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467 CPosLmNameIndex& index = iServer.IndexManager().Index( *iDbUri ); |
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468 TInt status = index.Status(); |
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469 switch ( status ) |
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470 { |
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471 case KErrNotReady: |
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472 progress = index.Evaluate(); |
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473 break; |
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474 case KErrNone: |
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475 progress = KOperationDone; |
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476 break; |
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477 default: |
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478 User::Leave( status ); |
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479 } |
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480 return progress; |
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481 } |
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482 else |
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483 { |
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484 return KOperationDone; |
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485 } |
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486 } |
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487 |
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488 // ----------------------------------------------------------------------------- |
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489 // ----------------------------------------------------------------------------- |
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490 // |
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491 TReal32 CPosLmInitializer::CompactNextStepL() |
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492 { |
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493 if ( !iIncrementalStarted ) |
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494 { |
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495 if ( iCompactRequired || iDb->IsCompactNeededL() ) |
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496 { |
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497 RDbNamedDatabase database; |
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498 iDb->GetDatabase( database ); |
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499 |
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500 User::LeaveIfError( iDbIncremental.Compact( database, iIncrementalStep ) ); |
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501 iIncrementalStartValue = iIncrementalStep; |
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502 iIncrementalStarted = ETrue; |
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503 } |
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504 else |
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505 { |
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506 return KOperationDone; |
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507 } |
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508 } |
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509 |
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510 return IncrementalStepL(); |
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511 } |
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512 |
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513 // ----------------------------------------------------------------------------- |
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514 // ----------------------------------------------------------------------------- |
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515 // |
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516 void CPosLmInitializer::UpdateTotalProgress( TReal32 aCurrentPhaseProgress ) |
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517 { |
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518 iProgress = |
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519 ( TReal32( iPhase - 1 ) + aCurrentPhaseProgress ) / |
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520 TReal32 ( EPhaseDone - 1 ); // all phases "-" final phase |
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521 } |