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1 /* |
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2 * Copyright (c) 2007-2009 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: Holds the drive information of the system. |
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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 FILES |
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21 #include "driveinfo.h" |
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22 #include "driveinfopatchdata.h" |
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23 #include "platformenvdebug.h" |
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24 |
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25 // CONSTANTS |
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26 const TInt KMaxFsName = 256; |
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27 _LIT( KMsFsName, "MassStorageFileSystem" ); |
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28 |
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29 |
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30 // ============================= LOCAL FUNCTIONS =============================== |
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31 // ----------------------------------------------------------------------------- |
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32 // IsUserHiddenDrive |
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33 // ----------------------------------------------------------------------------- |
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34 // |
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35 static TBool IsUserHiddenDrive( TInt aDrive ) |
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36 { |
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37 FUNC_LOG |
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38 |
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39 return ( aDrive >= 0 && |
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40 ( aDrive == KDriveInfoUserHiddenDrive1 || |
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41 aDrive == KDriveInfoUserHiddenDrive2 || |
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42 aDrive == KDriveInfoUserHiddenDrive3 || |
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43 aDrive == KDriveInfoUserHiddenDrive4 || |
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44 aDrive == KDriveInfoUserHiddenDrive5 || |
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45 aDrive == KDriveInfoUserHiddenDrive6 || |
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46 aDrive == KDriveInfoUserHiddenDrive7 || |
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47 aDrive == KDriveInfoUserHiddenDrive8 ) ); |
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48 } |
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49 |
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50 // ----------------------------------------------------------------------------- |
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51 // IsUsbDrive |
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52 // ----------------------------------------------------------------------------- |
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53 // |
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54 static TBool IsUsbDrive( TInt aDrive ) |
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55 { |
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56 FUNC_LOG |
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57 |
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58 return ( aDrive >= 0 && |
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59 aDrive >= KDriveInfoUsbDrivesStart && |
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60 aDrive < KDriveInfoUsbDrivesStart + KDriveInfoUsbDrivesMaxCount ); |
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61 } |
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62 |
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63 // ----------------------------------------------------------------------------- |
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64 // ExternallyMountableInternalDrive |
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65 // ----------------------------------------------------------------------------- |
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66 // |
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67 static TBool ExternallyMountableInternalDrive( TInt aDrive, TInt aDriveAtt ) |
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68 { |
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69 FUNC_LOG |
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70 |
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71 if ( aDriveAtt & KDriveAttLogicallyRemovable ) |
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72 { |
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73 return ETrue; |
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74 } |
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75 |
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76 return ( aDrive >= 0 && |
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77 ( aDrive == KDriveInfoLogicallyRemovableDrive1 || |
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78 aDrive == KDriveInfoLogicallyRemovableDrive2 || |
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79 aDrive == KDriveInfoLogicallyRemovableDrive3 || |
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80 aDrive == KDriveInfoLogicallyRemovableDrive4 ) ); |
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81 } |
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82 |
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83 // ----------------------------------------------------------------------------- |
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84 // MassStorageFsInUse |
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85 // ----------------------------------------------------------------------------- |
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86 // |
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87 static TBool MassStorageFsInUse( TInt aDrive, TInt aDriveAtt, RFs& aFs ) |
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88 { |
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89 FUNC_LOG |
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90 |
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91 if ( !( aDriveAtt & KDriveAttRemovable ) ) |
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92 { |
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93 return EFalse; |
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94 } |
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95 HBufC* buffer = HBufC::New( KMaxFsName ); |
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96 if ( !buffer ) |
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97 { |
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98 return EFalse; |
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99 } |
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100 TBool ret( EFalse ); |
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101 TPtr ptr( buffer->Des() ); |
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102 if ( aFs.FileSystemName( ptr, aDrive ) == KErrNone ) |
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103 { |
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104 if ( !ptr.CompareF( KMsFsName ) ) |
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105 { |
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106 ret = ETrue; |
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107 } |
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108 } |
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109 delete buffer; |
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110 return ret; |
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111 } |
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112 |
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113 |
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114 // ============================ MEMBER FUNCTIONS =============================== |
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115 |
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116 // ----------------------------------------------------------------------------- |
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117 // DriveInfo::GetDefaultDrive |
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118 // ----------------------------------------------------------------------------- |
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119 // |
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120 EXPORT_C TInt DriveInfo::GetDefaultDrive( TInt aDefaultDrive, TInt& aDrive ) |
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121 { |
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122 FUNC_LOG_WITH_CLIENT_NAME |
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123 |
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124 TInt ret( KErrNone ); |
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125 switch ( aDefaultDrive ) |
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126 { |
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127 case DriveInfo::EDefaultRom: |
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128 ret = KDriveInfoDefaultRomDrive; |
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129 break; |
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130 case DriveInfo::EDefaultRam: |
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131 ret = KDriveInfoDefaultRamDrive; |
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132 break; |
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133 case DriveInfo::EDefaultSystem: |
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134 ret = KDriveInfoDefaultSystemDrive >= 0 ? |
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135 KDriveInfoDefaultSystemDrive : RFs::GetSystemDrive(); |
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136 break; |
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137 case DriveInfo::EDefaultPhoneMemory: |
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138 ret = KDriveInfoDefaultPhoneMemory; |
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139 break; |
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140 case DriveInfo::EDefaultMassStorage: |
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141 ret = KDriveInfoDefaultMassStorage; |
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142 break; |
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143 case DriveInfo::EDefaultRemovableMassStorage: |
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144 ret = KDriveInfoDefaultRemovableMassStorage; |
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145 break; |
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146 default: |
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147 ret = KErrArgument; |
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148 break; |
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149 } |
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150 |
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151 if ( ret >= 0 ) |
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152 { |
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153 aDrive = ret; |
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154 ret = KErrNone; |
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155 } |
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156 |
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157 INFO_LOG2( "DriveInfo::GetDefaultDrive-aDefaultDrive=%d,aDrive=%d", |
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158 aDefaultDrive, aDrive ) |
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159 |
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160 LOG_IF_ERROR2( ret, |
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161 "DriveInfo::GetDefaultDrive-aDefaultDrive=%d,ret=%d", |
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162 aDefaultDrive, ret ) |
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163 |
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164 return ret; |
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165 } |
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166 |
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167 // ----------------------------------------------------------------------------- |
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168 // DriveInfo::GetDriveStatus |
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169 // ----------------------------------------------------------------------------- |
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170 // |
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171 EXPORT_C TInt DriveInfo::GetDriveStatus( |
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172 RFs& aFs, TInt aDrive, TUint& aStatus ) |
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173 { |
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174 FUNC_LOG_WITH_CLIENT_NAME |
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175 |
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176 aStatus = 0; |
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177 |
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178 if ( !RFs::IsValidDrive( aDrive ) ) |
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179 { |
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180 ERROR_LOG2( "DriveInfo::GetDriveStatus-aDrive=%d,IsValidDriveRet=%d", |
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181 aDrive, KErrArgument ) |
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182 |
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183 return KErrArgument; |
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184 } |
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185 |
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186 // Get volume info |
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187 TVolumeInfo volumeInfo; |
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188 TInt ret( aFs.Volume( volumeInfo, aDrive ) ); |
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189 |
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190 INFO_LOG2( "DriveInfo::GetDriveStatus-aDrive=%d,VolumeInfoRet=%d", |
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191 aDrive, ret ) |
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192 |
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193 switch( ret ) |
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194 { |
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195 case KErrNone: |
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196 { |
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197 if ( volumeInfo.iDrive.iType != EMediaNotPresent ) |
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198 { |
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199 aStatus |= EDrivePresent; |
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200 if( volumeInfo.iSize ) |
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201 { |
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202 aStatus |= EDriveFormatted; |
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203 } |
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204 } |
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205 else |
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206 { |
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207 ERROR_LOG1( |
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208 "DriveInfo::GetDriveStatus-aDrive=%d,InvalidVolume", |
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209 aDrive ) |
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210 ret = KErrNotReady; |
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211 } |
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212 break; |
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213 } |
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214 case KErrLocked: |
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215 { |
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216 aStatus |= EDrivePresent | EDriveLocked | EDriveFormatted | |
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217 EDriveLockable | EDriveHasPassword; |
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218 break; |
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219 } |
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220 case KErrCorrupt: |
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221 { |
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222 aStatus |= EDrivePresent | EDriveCorrupt; |
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223 break; |
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224 } |
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225 case KErrInUse: |
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226 { |
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227 aStatus |= EDrivePresent | EDriveInUse; |
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228 break; |
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229 } |
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230 default: |
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231 { |
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232 break; |
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233 } |
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234 } |
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235 |
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236 // Get drive info if not already done by volume info read |
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237 TDriveInfo& driveInfo( volumeInfo.iDrive ); |
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238 if ( ret != KErrNone ) |
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239 { |
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240 TInt err( aFs.Drive( driveInfo, aDrive ) ); |
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241 |
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242 INFO_LOG2( "DriveInfo::GetDriveStatus-aDrive=%d,DriveInfoRet=%d", |
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243 aDrive, err ) |
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244 |
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245 if ( err != KErrNone ) |
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246 { |
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247 ERROR_LOG2( "DriveInfo::GetDriveStatus-aDrive=%d,DriveInfoRet=%d", |
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248 aDrive, err ) |
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249 |
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250 return err; // Nothing can be done |
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251 } |
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252 |
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253 // Mass storage mode may return some other error than KErrInUse in |
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254 // volume info read. Check is mass storage file system in use. |
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255 if( driveInfo.iType != EMediaNotPresent && |
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256 ret != KErrInUse && |
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257 MassStorageFsInUse( aDrive, driveInfo.iDriveAtt, aFs ) ) |
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258 { |
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259 INFO_LOG1( "DriveInfo::GetDriveStatus-aDrive=%d,DriveInUse", |
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260 aDrive ) |
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261 |
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262 aStatus |= EDrivePresent | EDriveInUse; |
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263 } |
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264 } |
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265 |
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266 INFO_LOG3( |
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267 "DriveInfo::GetDriveStatus-DriveAttr=%d,MediaAttr=%d,MediaType=%d", |
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268 driveInfo.iDriveAtt, |
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269 driveInfo.iMediaAtt, |
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270 driveInfo.iType ) |
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271 |
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272 // If drive attributes are set, suppress volume read error |
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273 if ( driveInfo.iDriveAtt ) |
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274 { |
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275 ret = KErrNone; |
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276 } |
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277 |
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278 if ( !IsUserHiddenDrive( aDrive ) ) |
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279 { |
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280 aStatus |= EDriveUserVisible; |
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281 } |
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282 |
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283 // Check media type |
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284 TInt defaultRom( KErrNotFound ); |
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285 GetDefaultDrive( EDefaultRom, defaultRom ); |
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286 TInt defaultPhoneMem( KErrNotFound ); |
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287 GetDefaultDrive( EDefaultPhoneMemory, defaultPhoneMem ); |
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288 |
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289 if ( driveInfo.iType == EMediaRom || defaultRom == aDrive ) |
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290 { |
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291 aStatus |= EDriveRom | EDriveReadOnly; |
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292 } |
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293 // Default phone memory should always be non volatile media. |
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294 // If it is defined to RAM media, there is something wrong in |
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295 // media configurations. |
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296 else if ( aDrive != defaultPhoneMem ) |
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297 { |
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298 TInt defaultRam( KErrNotFound ); |
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299 GetDefaultDrive( EDefaultRam, defaultRam ); |
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300 if ( driveInfo.iType == EMediaRam || defaultRam == aDrive ) |
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301 { |
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302 aStatus |= EDriveRam; |
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303 } |
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304 } |
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305 |
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306 // Check drive attributes |
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307 #ifdef __WINS__ |
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308 // On emulator, handle memory card defined as local drive in epoc ini |
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309 // that has invalid drive attributes |
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310 TInt defaultRemovable( KErrNotFound ); |
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311 GetDefaultDrive( EDefaultRemovableMassStorage, defaultRemovable ); |
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312 #endif // __WINS__ |
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313 |
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314 if ( ( driveInfo.iDriveAtt & KDriveAttInternal ) |
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315 #ifdef __WINS__ |
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316 && ( defaultRemovable != aDrive ) |
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317 #endif // __WINS__ |
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318 ) |
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319 { |
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320 aStatus |= EDriveInternal; |
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321 |
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322 // Note that internal mass storage may have 'internal' file |
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323 // server attribute |
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324 if ( ExternallyMountableInternalDrive( aDrive, driveInfo.iDriveAtt ) ) |
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325 { |
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326 aStatus |= EDriveExternallyMountable; |
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327 } |
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328 } |
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329 else if ( ( driveInfo.iDriveAtt & KDriveAttRemovable ) |
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330 #ifdef __WINS__ |
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331 || ( defaultRemovable == aDrive ) |
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332 #endif // __WINS__ |
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333 ) |
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334 { |
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335 // Note that internal mass storage may have 'removable' file |
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336 // server attribute |
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337 if ( ExternallyMountableInternalDrive( aDrive, driveInfo.iDriveAtt ) ) |
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338 { |
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339 aStatus |= EDriveInternal | EDriveExternallyMountable; |
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340 } |
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341 else |
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342 { |
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343 aStatus |= EDriveRemovable | EDriveExternallyMountable | |
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344 EDriveSwEjectable; |
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345 if ( IsUsbDrive( aDrive ) ) |
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346 { |
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347 aStatus |= EDriveUsbMemory; |
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348 } |
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349 } |
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350 } |
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351 else if ( driveInfo.iDriveAtt & KDriveAttRemote ) |
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352 { |
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353 aStatus |= EDriveRemote | EDriveExternallyMountable; |
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354 } |
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355 |
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356 if ( driveInfo.iDriveAtt & KDriveAttSubsted ) |
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357 { |
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358 aStatus |= EDriveSubsted; |
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359 } |
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360 |
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361 // Check media attributes |
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362 if ( driveInfo.iMediaAtt & KMediaAttLocked ) |
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363 { |
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364 aStatus |= EDriveLocked; |
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365 } |
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366 |
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367 if ( driveInfo.iMediaAtt & KMediaAttWriteProtected ) |
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368 { |
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369 aStatus |= EDriveReadOnly; |
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370 } |
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371 |
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372 if ( !( aStatus & EDriveReadOnly ) && |
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373 ( driveInfo.iMediaAtt & KMediaAttFormattable ) ) |
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374 { |
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375 aStatus |= EDriveFormattable; |
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376 } |
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377 |
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378 if ( !( aStatus & EDriveInternal ) && |
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379 ( driveInfo.iMediaAtt & KMediaAttLockable ) ) |
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380 { |
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381 aStatus |= EDriveLockable; |
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382 } |
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383 |
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384 if ( driveInfo.iMediaAtt & EDriveHasPassword ) |
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385 { |
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386 aStatus |= EDriveHasPassword; |
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387 } |
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388 |
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389 INFO_LOG3( "DriveInfo::GetDriveStatus-aDrive=%d,aStatus=0x%x,ret=%d", |
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390 aDrive, aStatus, ret ) |
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391 |
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392 LOG_IF_ERROR2( ret, "DriveInfo::GetDriveStatus-aDrive=%d,ret=%d", |
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393 aDrive, ret ) |
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394 |
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395 return ret; |
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396 } |
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397 |
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398 // ----------------------------------------------------------------------------- |
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399 // DriveInfo::GetUserVisibleDrives |
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400 // ----------------------------------------------------------------------------- |
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401 // |
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402 EXPORT_C TInt DriveInfo::GetUserVisibleDrives( |
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403 RFs& aFs, TDriveList& aDriveList, TInt& aDriveCount ) |
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404 { |
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405 FUNC_LOG_WITH_CLIENT_NAME |
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406 |
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407 return GetUserVisibleDrives( |
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408 aFs, aDriveList, aDriveCount, KDriveAttExclude | KDriveAttRemote ); |
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409 } |
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410 |
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411 // ----------------------------------------------------------------------------- |
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412 // DriveInfo::GetUserVisibleDrives |
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413 // ----------------------------------------------------------------------------- |
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414 // |
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415 EXPORT_C TInt DriveInfo::GetUserVisibleDrives( |
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416 RFs& aFs, TDriveList& aDriveList, TInt& aDriveCount, TUint aFlags ) |
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417 { |
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418 FUNC_LOG_WITH_CLIENT_NAME |
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419 |
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420 aDriveCount = 0; |
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421 |
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422 TInt ret( aFs.DriveList( aDriveList, aFlags ) ); |
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423 if ( ret == KErrNone ) |
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424 { |
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425 aDriveCount = StripUserHiddenDrives( aDriveList ); |
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426 } |
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427 |
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428 INFO_LOG2( "DriveInfo::GetUserVisibleDrives-aDriveCount=%d,aFlags=%d", |
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429 aDriveCount, aFlags ) |
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430 |
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431 LOG_IF_ERROR1( ret, "DriveInfo::GetUserVisibleDrives-ret=%d", ret ) |
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432 |
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433 return ret; |
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434 } |
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435 |
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436 // ----------------------------------------------------------------------------- |
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437 // DriveInfo::StripUserHiddenDrives |
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438 // ----------------------------------------------------------------------------- |
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439 // |
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440 EXPORT_C TInt DriveInfo::StripUserHiddenDrives( TDriveList& aDriveList ) |
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441 { |
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442 FUNC_LOG_WITH_CLIENT_NAME |
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443 |
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444 TInt ret( 0 ); |
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445 TInt count( aDriveList.Length() ); |
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446 for( TInt i( 0 ); i < count; ++i ) |
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447 { |
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448 if ( aDriveList[ i ] ) |
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449 { |
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450 if ( !IsUserHiddenDrive( i ) ) |
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451 { |
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452 ++ret; |
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453 } |
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454 else |
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455 { |
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456 aDriveList[ i ] = 0; // Remove user hidden drive |
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457 } |
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458 } |
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459 } |
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460 return ret; |
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461 } |
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462 |
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463 // ----------------------------------------------------------------------------- |
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464 // DriveInfo::DriveCount |
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465 // ----------------------------------------------------------------------------- |
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466 // |
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467 EXPORT_C TInt DriveInfo::DriveCount( const TDriveList& aDriveList ) |
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468 { |
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469 FUNC_LOG_WITH_CLIENT_NAME |
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470 |
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471 TInt ret( 0 ); |
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472 TInt count( aDriveList.Length() ); |
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473 for( TInt i( 0 ); i < count; ++i ) |
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474 { |
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475 if ( aDriveList[ i ] ) |
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476 { |
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477 ++ret; |
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478 } |
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479 } |
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480 return ret; |
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481 } |
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482 |
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483 // ----------------------------------------------------------------------------- |
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484 // DriveInfo::TDriveArray::Set |
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485 // ----------------------------------------------------------------------------- |
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486 // |
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487 EXPORT_C void DriveInfo::TDriveArray::Set( const TDriveList& aDriveList ) |
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488 { |
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489 FUNC_LOG_WITH_CLIENT_NAME |
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490 |
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491 iArray.Zero(); |
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492 TInt count( Min( aDriveList.Length(), KMaxDrives ) ); |
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493 for( TInt i( 0 ); i < count; ++i ) |
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494 { |
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495 if ( aDriveList[ i ] ) |
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496 { |
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497 iArray.Append( static_cast< TUint8 >( i ) ); |
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498 } |
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499 } |
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500 } |
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501 |
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502 // ----------------------------------------------------------------------------- |
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503 // DriveInfo::TDriveArray::LetterAt |
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504 // ----------------------------------------------------------------------------- |
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505 // |
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506 EXPORT_C TChar DriveInfo::TDriveArray::LetterAt( TInt aIndex ) const |
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507 { |
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508 FUNC_LOG_WITH_CLIENT_NAME |
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509 |
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510 TChar ret( 0 ); |
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511 // Ignore return value, Set() guarantees that valid drives are used |
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512 RFs::DriveToChar( iArray[ aIndex ], ret ); |
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513 return ret; |
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514 } |
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515 |
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516 // ----------------------------------------------------------------------------- |
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517 // DriveInfo::GetUserVisibleDrives |
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518 // ----------------------------------------------------------------------------- |
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519 // |
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520 EXPORT_C TInt DriveInfo::GetUserVisibleDrives( |
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521 RFs& aFs, TDriveArray& aDriveArray ) |
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522 { |
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523 FUNC_LOG_WITH_CLIENT_NAME |
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524 |
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525 return GetUserVisibleDrives( aFs, aDriveArray, KDriveAttAll ); |
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526 } |
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527 |
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528 // ----------------------------------------------------------------------------- |
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529 // DriveInfo::GetUserVisibleDrives |
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530 // ----------------------------------------------------------------------------- |
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531 // |
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532 EXPORT_C TInt DriveInfo::GetUserVisibleDrives( |
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533 RFs& aFs, TDriveArray& aDriveArray, TUint aFlags ) |
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534 { |
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535 FUNC_LOG_WITH_CLIENT_NAME |
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536 |
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537 TDriveList drvList; |
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538 TInt ret( aFs.DriveList( drvList, aFlags ) ); |
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539 if ( ret == KErrNone ) |
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540 { |
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541 StripUserHiddenDrives( drvList ); |
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542 aDriveArray.Set( drvList ); |
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543 } |
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544 else |
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545 { |
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546 aDriveArray.Reset(); |
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547 } |
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548 |
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549 INFO_LOG2( "DriveInfo::GetUserVisibleDrives-aDriveArrayCount=%d,aFlags=%d", |
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550 aDriveArray.Count(), aFlags ) |
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551 |
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552 LOG_IF_ERROR1( ret, "DriveInfo::GetUserVisibleDrives-ret=%d", ret ) |
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553 |
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554 return ret; |
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555 } |
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556 |
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557 // ----------------------------------------------------------------------------- |
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558 // DriveInfo::GetDefaultDrive |
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559 // ----------------------------------------------------------------------------- |
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560 // |
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561 EXPORT_C TInt DriveInfo::GetDefaultDrive( |
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562 TInt aDefaultDrive, TChar& aDriveLetter ) |
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563 { |
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564 FUNC_LOG_WITH_CLIENT_NAME |
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565 |
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566 TInt drive( 0 ); |
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567 TInt ret( GetDefaultDrive( aDefaultDrive, drive ) ); |
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568 if ( ret == KErrNone ) |
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569 { |
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570 ret = RFs::DriveToChar( drive, aDriveLetter ); |
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571 } |
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572 |
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573 LOG_IF_ERROR1( ret, "DriveInfo::GetDefaultDrive-ret=%d", ret ) |
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574 |
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575 return ret; |
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576 } |
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577 |
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578 // End of File |