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1 /* |
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2 * Copyright (c) 2008-2009 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: This implements CRestoreWatcher class. |
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15 * |
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16 */ |
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17 |
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18 // SYSTEM INCLUDE |
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19 #include <centralrepository.h> |
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20 #include <sbdefs.h> |
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21 #include <driveinfo.h> |
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22 #include <PathInfo.h> |
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23 |
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24 // USER INCLUDE |
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25 #include "restorewatcher.h" |
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26 #include "harvesterlog.h" |
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27 #include "propertywatcher.h" |
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28 #include "clientkeywatcherkeys.h" |
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29 |
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30 // STATIC MEMBERS |
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31 TInt CRestoreWatcher::iRegisteredClients = 0; |
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32 TBool CRestoreWatcher::iRestoreDone = EFalse; |
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33 |
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34 |
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35 // ============================ MEMBER FUNCTIONS =============================== |
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36 |
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37 // ----------------------------------------------------------------------------- |
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38 // CRestoreWatcher::NewL |
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39 // Two-phased constructor. |
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40 // ----------------------------------------------------------------------------- |
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41 // |
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42 CRestoreWatcher* CRestoreWatcher::NewL() |
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43 { |
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44 WRITELOG("CRestoreWatcher* CRestoreWatcher::NewL()"); |
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45 CRestoreWatcher* self = new (ELeave) CRestoreWatcher(); |
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46 CleanupStack::PushL( self ); |
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47 self->ConstructL(); |
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48 CleanupStack::Pop( self ); |
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49 return self; |
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50 } |
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51 |
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52 // ----------------------------------------------------------------------------- |
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53 // CRestoreWatcher::CRestoreWatcher |
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54 // Standard C++ constructor. |
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55 // ----------------------------------------------------------------------------- |
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56 // |
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57 CRestoreWatcher::CRestoreWatcher() : iPropertyWatcher( NULL ), iClients( 0 ) |
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58 { |
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59 // No implementation required. |
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60 } |
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61 |
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62 // ----------------------------------------------------------------------------- |
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63 // CRestoreWatcher::~CRestoreWatcher |
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64 // Standard C++ destructor. |
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65 // ----------------------------------------------------------------------------- |
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66 // |
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67 CRestoreWatcher::~CRestoreWatcher() |
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68 { |
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69 |
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70 if( iPropertyWatcher ) |
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71 { |
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72 iPropertyWatcher->StopListeningKeyChanges( |
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73 KUidSystemCategory, |
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74 conn::KUidBackupRestoreKey, this ); |
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75 |
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76 |
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77 iPropertyWatcher->StopListeningKeyChanges( |
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78 KPSRestoreWatcherCategory, |
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79 KPSRestoreWatcherClientsKey, this ); |
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80 |
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81 iPropertyWatcher->Delete(); // Release connection to TLS object. |
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82 } |
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83 } |
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84 |
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85 // ----------------------------------------------------------------------------- |
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86 // CRestoreWatcher::ConstructL |
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87 // Symbian 2nd phase constructor. |
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88 // ----------------------------------------------------------------------------- |
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89 // |
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90 void CRestoreWatcher::ConstructL() |
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91 { |
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92 WRITELOG("CRestoreWatcher::ConstructL()"); |
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93 |
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94 CreateFileNameL(); |
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95 CheckRestoreL(); |
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96 WRITELOG1("CRestoreWatcher::ConstructL() - iRestoreDone: %d", iRestoreDone ); |
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97 |
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98 WRITELOG("CRestoreWatcher::ConstructL() - creating restore watcher PS key"); |
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99 RProperty clientsProperty; |
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100 const TInt error = clientsProperty.Define( |
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101 KPSRestoreWatcherCategory, |
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102 KPSRestoreWatcherClientsKey, |
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103 RProperty::EInt ); |
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104 |
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105 clientsProperty.Close(); |
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106 |
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107 if( error != KErrAlreadyExists ) // KErrAlreadyExists not error. |
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108 { |
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109 User::LeaveIfError( error ); |
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110 } |
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111 |
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112 iPropertyWatcher = CPropertyWatcher::GetInstanceL(); |
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113 |
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114 // Want to listen when backup/restore starts. |
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115 // Calls NotifyKeyL when key's state has changed. |
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116 iPropertyWatcher->ListenKeyChangesL( |
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117 KUidSystemCategory, |
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118 conn::KUidBackupRestoreKey, this ); |
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119 |
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120 // Listen message clients. |
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121 iPropertyWatcher->ListenKeyChangesL( |
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122 KPSRestoreWatcherCategory, |
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123 KPSRestoreWatcherClientsKey, this ); |
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124 |
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125 |
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126 WRITELOG("CRestoreWatcher::ConstructL() ends"); |
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127 } |
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128 |
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129 // ----------------------------------------------------------------------------- |
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130 // CRestoreWatcher::CreateFileNameL |
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131 // Filename flag can be changed to use cen rep! |
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132 // ----------------------------------------------------------------------------- |
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133 // |
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134 void CRestoreWatcher::CreateFileNameL() |
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135 { |
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136 TInt drive ( 0 ); |
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137 User::LeaveIfError( |
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138 DriveInfo::GetDefaultDrive( DriveInfo::EDefaultSystem, drive ) ); |
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139 |
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140 RFs fsSession; |
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141 User::LeaveIfError( fsSession.Connect() ); |
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142 |
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143 TChar driveLetter; |
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144 fsSession.DriveToChar( drive, driveLetter ); |
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145 |
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146 iFileName.Append( driveLetter ); |
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147 iFileName.Append( KRestoreFile ); // result-> C:\\private\\200009F5\\restoredone |
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148 |
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149 fsSession.Close(); |
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150 } |
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151 |
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152 |
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153 // ----------------------------------------------------------------------------- |
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154 // CRestoreWatcher::NotifyKeyL |
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155 // CPropertyWatcher's callback. |
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156 // ----------------------------------------------------------------------------- |
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157 // |
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158 void CRestoreWatcher::NotifyKeyL( |
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159 const TInt aKeyValue, |
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160 const TUid aPropertyCategory, |
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161 const TUint aKey ) |
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162 { |
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163 WRITELOG("CRestoreWatcher::NotifyKeyL() - begin"); |
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164 |
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165 if( aPropertyCategory == KUidSystemCategory && |
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166 aKey == conn::KUidBackupRestoreKey ) |
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167 { |
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168 HandleBackupRestoreKeyActionL( aKeyValue ); |
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169 } |
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170 |
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171 if( aPropertyCategory == KPSRestoreWatcherCategory && |
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172 aKey == KPSRestoreWatcherClientsKey ) |
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173 { |
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174 HandleClientsKeyActionL( aKeyValue ); |
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175 } |
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176 |
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177 WRITELOG("CRestoreWatcher::NotifyKeyL() - end"); |
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178 } |
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179 |
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180 // ----------------------------------------------------------------------------- |
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181 // CRestoreWatcher::HandleBackupKeyActionL |
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182 // When user starts restore sets flag on. |
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183 // ----------------------------------------------------------------------------- |
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184 // |
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185 void CRestoreWatcher::HandleBackupRestoreKeyActionL( const TUint aKeyValue ) |
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186 { |
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187 WRITELOG("CRestoreWatcher::HandleBackupKeyActionL() - begin"); |
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188 |
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189 TInt backupStateValue = aKeyValue; |
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190 backupStateValue &= conn::KBURPartTypeMask; |
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191 |
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192 if ( backupStateValue == conn::EBURRestoreFull || |
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193 backupStateValue == conn::EBURRestorePartial ) |
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194 { |
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195 WRITELOG("CRestoreWatcher::RunL() - setting restore to TRUE"); |
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196 SetRestoreFlagL( ETrue ); |
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197 } |
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198 |
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199 WRITELOG("CRestoreWatcher::HandleBackupKeyActionL() - end"); |
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200 } |
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201 |
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202 // ----------------------------------------------------------------------------- |
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203 // CRestoreWatcher::HandleClientsKeyActionL |
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204 // Handle message clients registering to watcher. |
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205 // ----------------------------------------------------------------------------- |
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206 // |
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207 void CRestoreWatcher::HandleClientsKeyActionL( const TUint aKeyValue ) |
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208 { |
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209 WRITELOG("CRestoreWatcher::HandleBackupKeyActionL() - begin"); |
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210 |
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211 // aKeyValue contains clients count. |
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212 if ( aKeyValue < iClients ) |
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213 { |
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214 WRITELOG("CRestoreWatcher::HandleClientsKeyActionL - unregistering"); |
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215 UnregisterL(); |
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216 } |
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217 else if ( aKeyValue > iClients ) |
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218 { |
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219 WRITELOG("CRestoreWatcher::HandleClientsKeyActionL - registering"); |
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220 Register(); |
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221 } |
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222 |
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223 iClients = aKeyValue; |
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224 |
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225 WRITELOG("CRestoreWatcher::HandleBackupKeyActionL() - end"); |
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226 } |
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227 |
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228 // ----------------------------------------------------------------------------- |
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229 // CRestoreWatcher::Register |
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230 // Registers client to watcher. |
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231 // ----------------------------------------------------------------------------- |
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232 // |
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233 TBool CRestoreWatcher::Register() |
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234 { |
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235 WRITELOG("CRestoreWatcher::Register()"); |
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236 if ( iRestoreDone ) |
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237 { |
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238 WRITELOG("CRestoreWatcher::Register() - partial restore was done."); |
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239 iRegisteredClients++; |
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240 WRITELOG1("CRestoreWatcher::Register() - registered clients: %d", iRegisteredClients); |
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241 } |
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242 |
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243 return iRestoreDone; |
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244 } |
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245 |
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246 // ----------------------------------------------------------------------------- |
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247 // CRestoreWatcher::UnregisterL |
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248 // Unregister client to watcher. |
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249 // ----------------------------------------------------------------------------- |
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250 // |
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251 void CRestoreWatcher::UnregisterL() |
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252 { |
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253 WRITELOG("CRestoreWatcher::UnregisterL()"); |
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254 if ( iRegisteredClients <= 0 ) |
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255 { |
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256 WRITELOG("CRestoreWatcher::UnregisterL() - 0 clients"); |
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257 return; |
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258 } |
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259 |
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260 iRegisteredClients--; |
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261 WRITELOG1("CRestoreWatcher::UnregisterL() - registered clients: %d", iRegisteredClients); |
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262 |
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263 if ( iRegisteredClients == 0 ) |
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264 { |
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265 WRITELOG("CRestoreWatcher::UnregisterL() - setting CentRep value to 0"); |
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266 SetRestoreFlagL( EFalse ); |
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267 } |
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268 } |
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269 |
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270 // ----------------------------------------------------------------------------- |
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271 // CRestoreWatcher::SetRestoreFlagL |
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272 // Sets restore flag on. |
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273 // ----------------------------------------------------------------------------- |
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274 // |
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275 void CRestoreWatcher::SetRestoreFlagL( TBool aRestoreDone ) |
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276 { |
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277 RFs fs; |
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278 User::LeaveIfError( fs.Connect() ); |
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279 |
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280 iRestoreDone = aRestoreDone; |
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281 if( aRestoreDone ) |
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282 { |
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283 RFile64 file; |
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284 file.Replace( fs, iFileName, EFileWrite ); |
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285 file.Close(); |
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286 } |
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287 else |
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288 { |
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289 fs.Delete( iFileName ); |
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290 } |
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291 |
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292 fs.Close(); |
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293 } |
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294 |
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295 // ----------------------------------------------------------------------------- |
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296 // CRestoreWatcher::CheckRestoreL |
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297 // Check if restore has done when booting up harvester server. |
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298 // ----------------------------------------------------------------------------- |
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299 // |
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300 void CRestoreWatcher::CheckRestoreL() |
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301 { |
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302 RFs fs; |
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303 RFile64 file; |
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304 User::LeaveIfError( fs.Connect() ); |
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305 TInt fileError( KErrNotFound ); |
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306 fileError = file.Open( fs, iFileName, EFileRead ); |
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307 file.Close(); |
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308 fs.Close(); |
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309 |
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310 WRITELOG1("CRestoreWatcher::StartMonitoring - fileError: %d", fileError); |
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311 |
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312 if ( fileError == KErrNone ) |
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313 { |
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314 iRestoreDone = ETrue; |
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315 } |
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316 else |
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317 { |
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318 iRestoreDone = EFalse; |
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319 } |
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320 } |
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321 |
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322 // End of file. |