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1 /* |
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2 * Copyright (c) 2006 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: CMMCScBkupIndexJavaDataEntry implementation |
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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 #include "CMMCScBkupIndexJavaData.h" |
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20 |
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21 // User includes |
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22 #include "MMMCScBkupArchiveDataInterface.h" |
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23 #include "MMCScBkupLogger.h" |
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24 |
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25 |
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26 /** |
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27 * Registration Data |
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28 * ================= |
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29 * |
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30 * |
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31 * REG DATA for DO 0 |
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32 * { |
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33 * RD for DO 0, 1st drive |
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34 * RD for DO 0, 2nd drive |
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35 * RD for DO 0, 'n'th drive |
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36 * }, |
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37 * REG DATA for DO 1 |
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38 * { |
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39 * RD for DO 0, 1st drive |
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40 * RD for DO 0, 2nd drive |
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41 * RD for DO 0, 'n'th drive |
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42 * }, |
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43 * REG DATA for DO n |
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44 * { |
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45 * RD for DO 0, 1st drive |
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46 * RD for DO 0, 2nd drive |
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47 * RD for DO 0, 'n'th drive |
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48 * } |
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49 * |
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50 * Registration Data Index |
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51 * ======================= |
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52 * |
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53 * This is the format of the data written by this object. |
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54 * The format allows the possibility of a future partial |
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55 * restore (hopefully). |
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56 * |
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57 * |
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58 * 4 bytes = count of registration data entries |
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59 * |
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60 * FOR EACH DATA OWNER |
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61 * { |
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62 * 4 bytes = secure id of data owner's process |
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63 * 4 bytes = the number of different registration data files |
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64 * for this particular data owner (one for each drive that |
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65 * was backed up) |
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66 * ENTRY |
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67 * { |
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68 * 1 byte = Associated TDriveNumber of the registration data |
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69 * 8 bytes = offset & length of actual registration data |
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70 * } |
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71 * } |
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72 * |
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73 **/ |
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74 |
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75 |
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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 |
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82 // ========================= MEMBER FUNCTIONS ================================ |
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83 |
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84 // --------------------------------------------------------------------------- |
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85 // CMMCScBkupIndexJavaDataEntry::CMMCScBkupIndexJavaDataEntry() |
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86 // |
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87 // C++ constructor. |
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88 // --------------------------------------------------------------------------- |
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89 CMMCScBkupIndexJavaDataEntry::CMMCScBkupIndexJavaDataEntry() |
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90 { |
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91 } |
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92 |
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93 |
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94 // --------------------------------------------------------------------------- |
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95 // CMMCScBkupIndexJavaDataEntry::CMMCScBkupIndexJavaDataEntry() |
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96 // |
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97 // C++ destructor. |
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98 // --------------------------------------------------------------------------- |
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99 CMMCScBkupIndexJavaDataEntry::~CMMCScBkupIndexJavaDataEntry() |
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100 { |
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101 delete iHash; |
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102 } |
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103 |
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104 |
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105 // --------------------------------------------------------------------------- |
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106 // CMMCScBkupIndexJavaDataEntry::ConstructL() |
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107 // |
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108 // |
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109 // --------------------------------------------------------------------------- |
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110 void CMMCScBkupIndexJavaDataEntry::ConstructL() |
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111 { |
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112 iHash = KNullDesC().AllocL(); |
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113 } |
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114 |
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115 |
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116 // --------------------------------------------------------------------------- |
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117 // CMMCScBkupIndexJavaDataEntry::NewLC() |
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118 // |
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119 // |
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120 // --------------------------------------------------------------------------- |
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121 CMMCScBkupIndexJavaDataEntry* CMMCScBkupIndexJavaDataEntry::NewLC() |
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122 { |
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123 CMMCScBkupIndexJavaDataEntry* self = new(ELeave) CMMCScBkupIndexJavaDataEntry(); |
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124 CleanupStack::PushL( self ); |
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125 self->ConstructL(); |
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126 return self; |
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127 } |
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128 |
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129 |
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130 // --------------------------------------------------------------------------- |
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131 // CMMCScBkupIndexJavaDataEntry::NewLC() |
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132 // |
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133 // |
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134 // --------------------------------------------------------------------------- |
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135 CMMCScBkupIndexJavaDataEntry* CMMCScBkupIndexJavaDataEntry::NewLC( RReadStream& aStream ) |
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136 { |
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137 CMMCScBkupIndexJavaDataEntry* self = new(ELeave) CMMCScBkupIndexJavaDataEntry(); |
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138 CleanupStack::PushL( self ); |
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139 aStream >> *self; |
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140 return self; |
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141 } |
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142 |
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143 |
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144 // --------------------------------------------------------------------------- |
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145 // CMMCScBkupIndexJavaDataEntry::SetHashL() |
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146 // |
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147 // |
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148 // --------------------------------------------------------------------------- |
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149 void CMMCScBkupIndexJavaDataEntry::SetHashL( const TDesC& aHash ) |
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150 { |
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151 HBufC* hash = aHash.AllocL(); |
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152 delete iHash; |
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153 iHash = hash; |
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154 } |
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155 |
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156 |
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157 // --------------------------------------------------------------------------- |
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158 // CMMCScBkupIndexJavaDataEntry::InternalizeL() |
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159 // |
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160 // |
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161 // --------------------------------------------------------------------------- |
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162 void CMMCScBkupIndexJavaDataEntry::InternalizeL( RReadStream& aStream ) |
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163 { |
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164 aStream.ReadInt32L(); // EStreamFormatVersion1 |
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165 aStream.ReadInt32L(); // spare1 |
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166 aStream.ReadInt32L(); // spare2 |
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167 aStream.ReadInt32L(); // spare3 |
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168 // |
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169 HBufC* hash = HBufC::NewL( aStream, KMaxTInt ); |
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170 delete iHash; |
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171 iHash = hash; |
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172 // |
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173 aStream >> iMidletInfo; |
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174 aStream >> iMidletDataInfo; |
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175 iDrive = static_cast< TDriveNumber>( aStream.ReadInt8L() ); |
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176 // |
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177 __LOG6("CMMCScBkupIndexJavaDataEntry::InternalizeL() - hash: %S, iDrive: %c:, MIDLET[offset: %8d, length: %8d], MIDLETDATA[offset: %8d, length: %8d]", iHash, iDrive + 'A', iMidletInfo.Offset(), iMidletInfo.Length(), iMidletDataInfo.Offset(), iMidletDataInfo.Length() ); |
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178 } |
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179 |
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180 |
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181 // --------------------------------------------------------------------------- |
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182 // CMMCScBkupIndexJavaDataEntry::ExternalizeL() |
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183 // |
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184 // |
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185 // --------------------------------------------------------------------------- |
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186 void CMMCScBkupIndexJavaDataEntry::ExternalizeL( RWriteStream& aStream ) const |
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187 { |
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188 aStream.WriteInt32L( EStreamFormatVersion1 ); |
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189 aStream.WriteInt32L( 0 ); // spare1 |
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190 aStream.WriteInt32L( 0 ); // spare2 |
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191 aStream.WriteInt32L( 0 ); // spare3 |
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192 // |
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193 aStream << Hash(); |
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194 aStream << iMidletInfo; |
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195 aStream << iMidletDataInfo; |
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196 aStream.WriteInt8L( iDrive ); |
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197 // |
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198 __LOG6("CMMCScBkupIndexJavaDataEntry::ExternalizeL() - hash: %S, iDrive: %c:, MIDLET[offset: %8d, length: %8d], MIDLETDATA[offset: %8d, length: %8d]", iHash, iDrive + 'A', iMidletInfo.Offset(), iMidletInfo.Length(), iMidletDataInfo.Offset(), iMidletDataInfo.Length() ); |
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199 } |
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200 |
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201 |
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202 |
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203 |
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204 |
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205 |
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206 |
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207 |
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208 |
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209 |
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210 |
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211 |
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212 |
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213 |
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214 |
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215 |
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216 |
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217 |
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218 |
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219 // ========================= MEMBER FUNCTIONS ================================ |
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220 |
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221 // --------------------------------------------------------------------------- |
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222 // CMMCScBkupIndexJavaData::CMMCScBkupIndexJavaData() |
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223 // |
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224 // C++ constructor. |
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225 // --------------------------------------------------------------------------- |
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226 CMMCScBkupIndexJavaData::CMMCScBkupIndexJavaData() |
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227 : CMMCScBkupIndexBase( EMMCScBkupOwnerDataTypeJavaData ) |
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228 { |
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229 } |
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230 |
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231 // --------------------------------------------------------------------------- |
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232 // CMMCScBkupIndexJavaData::~CMMCScBkupIndexJavaData() |
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233 // |
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234 // C++ destructor. |
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235 // --------------------------------------------------------------------------- |
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236 CMMCScBkupIndexJavaData::~CMMCScBkupIndexJavaData() |
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237 { |
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238 iEntries.Close(); |
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239 } |
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240 |
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241 |
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242 // --------------------------------------------------------------------------- |
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243 // CMMCScBkupIndexJavaData::NewLC() |
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244 // |
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245 // |
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246 // --------------------------------------------------------------------------- |
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247 CMMCScBkupIndexJavaData* CMMCScBkupIndexJavaData::NewLC() |
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248 { |
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249 CMMCScBkupIndexJavaData* self = new(ELeave) CMMCScBkupIndexJavaData(); |
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250 CleanupStack::PushL( self ); |
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251 self->ConstructL(); |
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252 return self; |
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253 } |
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254 |
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255 |
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256 // --------------------------------------------------------------------------- |
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257 // CMMCScBkupIndexJavaData::AddIndexRecordL() |
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258 // |
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259 // |
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260 // --------------------------------------------------------------------------- |
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261 void CMMCScBkupIndexJavaData::AddIndexRecordL( const TMMCScBkupArchiveVector& aInfo, const TDesC& aHash, TDriveNumber aDrive, TJavaTransferType aType ) |
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262 { |
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263 // Check if we already have an entry for this item... |
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264 CMMCScBkupIndexJavaDataEntry* entry = EntryByHash( aHash, aDrive ); |
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265 |
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266 if ( !entry ) |
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267 { |
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268 __LOG1("CMMCScBkupIndexJavaData::AddIndexRecordL() - making new entry for hash: %S", &aHash); |
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269 // |
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270 entry = CMMCScBkupIndexJavaDataEntry::NewLC(); |
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271 // |
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272 entry->SetHashL( aHash ); |
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273 entry->SetDrive( aDrive ); |
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274 iEntries.AppendL( entry ); |
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275 // |
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276 CleanupStack::Pop( entry ); |
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277 } |
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278 else |
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279 { |
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280 __LOG1("CMMCScBkupIndexJavaData::AddIndexRecordL() - found existing entry for hash: %S", &aHash); |
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281 } |
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282 |
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283 if ( aType == EJavaMIDlet ) |
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284 { |
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285 entry->SetMidletInfo( aInfo ); |
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286 } |
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287 else if ( aType == EJavaMIDletData ) |
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288 { |
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289 entry->SetMidletDataInfo( aInfo ); |
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290 } |
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291 } |
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292 |
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293 |
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294 // --------------------------------------------------------------------------- |
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295 // CMMCScBkupIndexJavaData::At() |
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296 // |
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297 // |
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298 // --------------------------------------------------------------------------- |
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299 const CMMCScBkupIndexJavaDataEntry& CMMCScBkupIndexJavaData::At( TInt aIndex ) const |
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300 { |
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301 const CMMCScBkupIndexJavaDataEntry* entry = iEntries[ aIndex ]; |
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302 return *entry; |
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303 } |
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304 |
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305 |
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306 // --------------------------------------------------------------------------- |
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307 // CMMCScBkupIndexJavaData::StoreL() |
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308 // |
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309 // |
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310 // --------------------------------------------------------------------------- |
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311 void CMMCScBkupIndexJavaData::StoreL(MMMCScBkupDriver& aDriver) |
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312 { |
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313 MMMCScBkupArchiveDataInterface& archiveDataInterface = aDriver.DrvADI(); |
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314 RWriteStream stream(archiveDataInterface.ADIWriteStreamUncompressedLC()); |
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315 // |
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316 stream.WriteInt32L( EStreamFormatVersion1 ); |
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317 stream.WriteInt32L( 0 ); // spare1 |
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318 stream.WriteInt32L( 0 ); // spare2 |
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319 stream.WriteInt32L( 0 ); // spare3 |
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320 // |
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321 const TInt count = iEntries.Count(); |
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322 stream.WriteInt32L(count); |
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323 // |
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324 for(TInt i=0; i<count; i++) |
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325 { |
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326 const CMMCScBkupIndexJavaDataEntry* entry = iEntries[i]; |
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327 stream << *entry; |
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328 } |
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329 // |
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330 stream.CommitL(); |
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331 CleanupStack::PopAndDestroy(); // stream |
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332 |
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333 // Update our base class info with the offset to the index |
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334 SetVector( archiveDataInterface.ADICurrentArchiveVectorInfo() ); |
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335 } |
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336 |
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337 |
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338 // --------------------------------------------------------------------------- |
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339 // CMMCScBkupIndexJavaData::RestoreL() |
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340 // |
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341 // |
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342 // --------------------------------------------------------------------------- |
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343 void CMMCScBkupIndexJavaData::RestoreL(MMMCScBkupDriver& aDriver) |
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344 { |
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345 MMMCScBkupArchiveDataInterface& archiveDataInterface = aDriver.DrvADI(); |
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346 RReadStream& stream = archiveDataInterface.ADIReadStreamUncompressedLC( Vector().Offset() ); |
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347 // |
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348 stream.ReadInt32L(); // EStreamFormatVersion1 |
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349 stream.ReadInt32L(); // spare1 |
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350 stream.ReadInt32L(); // spare2 |
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351 stream.ReadInt32L(); // spare3 |
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352 // |
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353 const TInt count = stream.ReadInt32L(); |
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354 for(TInt i=0; i<count; i++) |
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355 { |
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356 CMMCScBkupIndexJavaDataEntry* entry = CMMCScBkupIndexJavaDataEntry::NewLC( stream ); |
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357 iEntries.AppendL( entry ); |
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358 CleanupStack::Pop( entry ); |
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359 } |
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360 // |
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361 CleanupStack::PopAndDestroy(); // stream |
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362 // |
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363 const TMMCScBkupArchiveVector& readInfo = archiveDataInterface.ADICurrentArchiveVectorInfo(); |
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364 if ( readInfo.Length() > Vector().Length() ) |
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365 { |
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366 // We've read too much! |
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367 User::Leave( KErrCorrupt ); |
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368 } |
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369 } |
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370 |
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371 |
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372 // --------------------------------------------------------------------------- |
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373 // CMMCScBkupIndexJavaData::EntryByHash() |
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374 // |
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375 // |
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376 // --------------------------------------------------------------------------- |
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377 CMMCScBkupIndexJavaDataEntry* CMMCScBkupIndexJavaData::EntryByHash( const TDesC& aHash, TDriveNumber aDrive ) const |
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378 { |
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379 CMMCScBkupIndexJavaDataEntry* ret = NULL; |
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380 const TInt count = iEntries.Count(); |
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381 // |
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382 for(TInt i=0; i<count; i++) |
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383 { |
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384 CMMCScBkupIndexJavaDataEntry* entry = iEntries[ i ]; |
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385 // |
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386 if ( entry->Hash() == aHash && entry->Drive() == aDrive ) |
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387 { |
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388 ret = entry; |
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389 break; |
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390 } |
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391 } |
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392 // |
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393 return ret; |
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394 } |
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395 |
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396 |
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397 |
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398 |
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399 |
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400 |
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401 |
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402 |