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1 /* |
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2 * Copyright (c) 2005 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: CMMCScBkupTransferRequestBase 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 "CMMCScBkupTransferRequest.h" |
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20 |
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21 // User includes |
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22 #include "MMCScBkupLogger.h" |
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23 #include "MMMCScBkupDriver.h" |
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24 #include "CMMCScBkupArchive.h" |
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25 #include "CMMCScBkupDataOwnerInfo.h" |
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26 #include "MMMCScBkupArchiveDataInterface.h" |
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27 |
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28 |
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29 |
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30 // ========================= MEMBER FUNCTIONS ================================ |
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31 |
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32 // --------------------------------------------------------------------------- |
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33 // CMMCScBkupTransferRequestBase::CMMCScBkupTransferRequestBase() |
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34 // |
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35 // C++ constructor. |
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36 // --------------------------------------------------------------------------- |
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37 CMMCScBkupTransferRequestBase::CMMCScBkupTransferRequestBase( MMMCScBkupDriver& aDriver, TMMCScBkupOwnerDataType aElementType, TBool aUpdateOperationalSizes, TInt aPriority ) |
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38 : CActive( aPriority ), iDriver( aDriver ), iElementType( aElementType ), iUpdateOperationalSizes( aUpdateOperationalSizes ) |
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39 { |
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40 CActiveScheduler::Add( this ); |
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41 } |
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42 |
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43 |
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44 // --------------------------------------------------------------------------- |
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45 // CMMCScBkupTransferRequestBase::~CMMCScBkupTransferRequestBase() |
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46 // |
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47 // C++ destructor. |
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48 // --------------------------------------------------------------------------- |
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49 CMMCScBkupTransferRequestBase::~CMMCScBkupTransferRequestBase() |
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50 { |
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51 Cancel(); |
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52 } |
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53 |
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54 |
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55 // --------------------------------------------------------------------------- |
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56 // CMMCScBkupTransferRequestBase::RequestL() |
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57 // |
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58 // |
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59 // --------------------------------------------------------------------------- |
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60 void CMMCScBkupTransferRequestBase::RequestL( CMMCScBkupDataOwnerInfo& aOwner, TRequestStatus& aObserver ) |
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61 { |
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62 __ASSERT_ALWAYS( !IsActive(), User::Invariant() ); |
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63 // |
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64 iDataOwner = &aOwner; |
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65 SetObserver( aObserver ); |
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66 } |
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67 |
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68 |
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69 // --------------------------------------------------------------------------- |
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70 // CMMCScBkupTransferRequestBase::SingleDriveTransferCompleteL() |
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71 // |
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72 // |
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73 // --------------------------------------------------------------------------- |
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74 void CMMCScBkupTransferRequestBase::SingleDriveTransferCompleteL() |
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75 { |
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76 if ( iUpdateOperationalSizes ) |
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77 { |
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78 const TDriveNumber drive = CurrentDrive(); |
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79 const TInt amount = AmountOfDataTransferred(); |
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80 __LOG3("CMMCScBkupTransferRequestBase::SingleDriveTransferCompleteL() - drive: %c:, amount: %8d, elementType: %S", drive + 'A', amount, &MMCScBkupLogger::DataType( ElementType() ) ); |
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81 // |
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82 ASSERT( drive >= EDriveA && drive <= EDriveZ ); |
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83 } |
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84 |
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85 ResetDataTransferCounter(); |
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86 } |
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87 |
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88 |
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89 // --------------------------------------------------------------------------- |
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90 // CMMCScBkupTransferRequestBase::TransferCompleteL() |
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91 // |
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92 // |
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93 // --------------------------------------------------------------------------- |
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94 void CMMCScBkupTransferRequestBase::TransferCompleteL() |
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95 { |
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96 DataOwner().SetCompletionStatus( iElementType, ETrue ); |
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97 } |
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98 |
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99 |
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100 // --------------------------------------------------------------------------- |
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101 // CMMCScBkupTransferRequestBase::CompleteSelf() |
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102 // |
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103 // |
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104 // --------------------------------------------------------------------------- |
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105 void CMMCScBkupTransferRequestBase::CompleteSelf( TInt aCompletionCode ) |
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106 { |
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107 SetActive(); |
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108 TRequestStatus* status = &iStatus; |
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109 User::RequestComplete(status, aCompletionCode); |
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110 } |
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111 |
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112 |
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113 // --------------------------------------------------------------------------- |
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114 // CMMCScBkupTransferRequestBase::SetObserver() |
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115 // |
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116 // |
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117 // --------------------------------------------------------------------------- |
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118 void CMMCScBkupTransferRequestBase::SetObserver( TRequestStatus& aObserver ) |
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119 { |
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120 __ASSERT_DEBUG( iObserver == NULL, User::Invariant() ); |
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121 iObserver = &aObserver; |
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122 aObserver = KRequestPending; |
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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 // CMMCScBkupTransferRequestBase::CompleteObserverRequest() |
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128 // |
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129 // |
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130 // --------------------------------------------------------------------------- |
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131 void CMMCScBkupTransferRequestBase::CompleteObserverRequest( TInt aCompletionCode ) |
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132 { |
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133 __LOG1("CMMCScBkupTransferRequestBase::CompleteObserverRequest() - aCompletionCode: %d", aCompletionCode); |
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134 __ASSERT_ALWAYS(iObserver != NULL, User::Invariant()); |
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135 User::RequestComplete(iObserver, aCompletionCode); |
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136 } |
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137 |
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138 |
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139 // --------------------------------------------------------------------------- |
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140 // CMMCScBkupTransferRequestBase::RunL() |
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141 // |
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142 // |
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143 // --------------------------------------------------------------------------- |
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144 void CMMCScBkupTransferRequestBase::RunL() |
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145 { |
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146 __LOG2("CMMCScBkupTransferRequestBase::RunL() - START - iStatus: %d, iState: %d", iStatus.Int(), iState); |
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147 |
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148 User::LeaveIfError( iStatus.Int() ); |
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149 // |
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150 switch( State() ) |
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151 { |
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152 case ETransferData: |
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153 __LOG("CMMCScBkupTransferRequestBase::RunL() - ETransferData"); |
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154 PrepareDataTransferL(); |
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155 break; |
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156 |
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157 case EProcessData: |
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158 __LOG("CMMCScBkupTransferRequestBase::RunL() - EProcessData"); |
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159 ProcessDataChunkL(); |
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160 break; |
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161 |
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162 case EFinished: |
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163 // Inform any interested derived classes |
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164 __LOG("CMMCScBkupTransferRequestBase::RunL() - EFinished - transfer complete...."); |
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165 TransferCompleteL(); |
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166 |
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167 // Notify observer |
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168 __LOG("CMMCScBkupTransferRequestBase::RunL() - EFinished - complete observer..."); |
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169 CompleteObserverRequest( KErrNone ); |
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170 break; |
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171 |
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172 default: |
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173 case EIdle: |
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174 __LOG("CMMCScBkupTransferRequestBase::RunL() - EIdle - User::Invariant()"); |
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175 ASSERT( EFalse ); |
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176 break; |
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177 } |
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178 |
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179 __LOG2("CMMCScBkupTransferRequestBase::RunL() - END - iStatus: %d, iState: %d", iStatus.Int(), iState); |
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180 } |
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181 |
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182 |
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183 // --------------------------------------------------------------------------- |
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184 // CMMCScBkupTransferRequestBase::DoCancel() |
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185 // |
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186 // |
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187 // --------------------------------------------------------------------------- |
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188 void CMMCScBkupTransferRequestBase::DoCancel() |
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189 { |
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190 CompleteObserverRequest( KErrCancel ); |
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191 } |
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192 |
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193 |
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194 // --------------------------------------------------------------------------- |
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195 // CMMCScBkupTransferRequestBase::RunError() |
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196 // |
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197 // |
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198 // --------------------------------------------------------------------------- |
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199 TInt CMMCScBkupTransferRequestBase::RunError( TInt aError ) |
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200 { |
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201 if ( aError != KErrNone ) |
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202 { |
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203 __LOGFILE1("CMMCScBkupTransferRequestBase::RunError() - **** - ERROR (%d) -> complete observer with error code", aError); |
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204 } |
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205 // |
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206 CompleteObserverRequest( aError ); |
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207 return KErrNone; |
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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 // CMMCScBkupTransferRequestBase::ProcessDataChunkL() |
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213 // |
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214 // |
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215 // --------------------------------------------------------------------------- |
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216 void CMMCScBkupTransferRequestBase::ProcessDataChunkL() |
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217 { |
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218 __LOG("CMMCScBkupTransferRequestBase::ProcessDataChunkL() - START"); |
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219 |
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220 // Now call virtual function to do the processing |
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221 const TBool requiresMoreChunkProcessing = ProcessChunkOfDataL(); |
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222 __LOG1("CMMCScBkupTransferRequestBase::ProcessDataChunkL() - requiresMoreChunkProcessing: %d", requiresMoreChunkProcessing); |
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223 // |
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224 TState nextState = EProcessData; |
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225 if ( !requiresMoreChunkProcessing ) |
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226 { |
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227 __LOG("CMMCScBkupTransferRequestBase::ProcessDataChunkL() - didnt require more processing... "); |
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228 SingleDriveTransferCompleteL(); |
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229 // |
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230 nextState = ETransferData; |
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231 __LOG("CMMCScBkupTransferRequestBase::ProcessDataChunkL() - nextState is: ETransferData"); |
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232 } |
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233 else |
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234 { |
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235 __LOG("CMMCScBkupTransferRequestBase::ProcessDataChunkL() - nextState is: EProcessData"); |
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236 } |
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237 |
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238 // Must check IsActive(), since CMMCScBkupReadDataTransferRequestBase::ProcessChunkOfDataL() |
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239 // changes state and set's active within the ProcessChunkOfDataL callback |
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240 if ( !IsActive() ) |
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241 { |
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242 __LOG("CMMCScBkupTransferRequestBase::ProcessDataChunkL() - not active - completing self and changing state!"); |
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243 SetState( nextState ); |
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244 CompleteSelf(); |
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245 } |
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246 else |
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247 { |
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248 __LOG1("CMMCScBkupTransferRequestBase::ProcessDataChunkL() - already active - state is: %d", State()); |
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249 } |
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250 |
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251 __LOG("CMMCScBkupTransferRequestBase::ProcessDataChunkL() - END"); |
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252 } |
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