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1 // Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of the License "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // f32\sfile\sf_sys.cpp |
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15 // |
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16 // |
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17 |
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18 #include "sf_std.h" |
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19 #include <e32uid.h> |
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20 #include "sf_file_cache.h" |
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21 #include <kernel\localise.h> |
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22 #include <f32file.h> |
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23 |
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24 typedef CFileSystem*(*TFileSystemNew)(); |
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25 extern CProxyDriveFactory* GetExtension(const TDesC& aName); |
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26 |
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27 #ifndef __WINS__ |
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28 extern TBool gInitCacheCheckDrivesAndAddNotifications; |
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29 #endif |
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30 |
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31 struct TFatUtilityFunctions; |
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32 GLREF_D TCodePageUtils TheCodePage; |
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33 const TInt KMaxLengthShortNameWithDot = 12; |
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34 const TUint8 KLeadingE5Replacement = 0x05; |
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35 const TUint8 KEntryErasedMarker=0xE5; ///< Erased entry marker for a directory entry |
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36 |
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37 /** |
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38 Default constructor. |
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39 */ |
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40 EXPORT_C CFileSystem::CFileSystem() |
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41 { |
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42 TRACE0(UTF::EBorder, UTraceModuleFileSys::ECFileSystemConstructor, EF32TraceUidFileSys); |
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43 TRACE0(UTF::EBorder, UTraceModuleFileSys::ECFileSystemConstructorReturn, EF32TraceUidFileSys); |
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44 } |
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45 |
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46 /** |
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47 Destructor. |
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48 */ |
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49 EXPORT_C CFileSystem::~CFileSystem() |
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50 { |
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51 TRACE0(UTF::EBorder, UTraceModuleFileSys::ECFileSystemDestructor, EF32TraceUidFileSys); |
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52 TRACE0(UTF::EBorder, UTraceModuleFileSys::ECFileSystemDestructorReturn, EF32TraceUidFileSys); |
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53 } |
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54 |
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55 /** |
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56 Uninstalls the file system. |
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57 |
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58 This is called just before the file system object is destroyed, and allows |
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59 any clean up to be carried out. |
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60 |
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61 The default implementation does nothing except return KErrNone. |
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62 Implementations should return an error code on error detection. |
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63 |
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64 @return KErrNone if successful, otherwise one of the other system wide error |
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65 codes. |
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66 */ |
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67 EXPORT_C TInt CFileSystem::Remove() |
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68 { |
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69 |
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70 return(KErrNone); |
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71 } |
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72 |
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73 /** |
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74 Tests whether a version is supported. |
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75 |
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76 This is done decided by comparing the supplied version with iVersion. |
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77 |
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78 The default implementation uses User::QueryVersionSupported() to |
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79 determine this. |
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80 |
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81 @param aVer The version to be tested. |
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82 |
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83 @return True, if aVer is supported; false otherwise |
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84 |
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85 @see User::QueryVersionSupported |
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86 @see CFileSystem::iVersion |
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87 */ |
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88 EXPORT_C TBool CFileSystem::QueryVersionSupported(const TVersion& aVer) const |
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89 { |
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90 |
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91 return(User::QueryVersionSupported(iVersion,aVer)); |
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92 } |
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93 |
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94 //#ifndef __DATA_CAGING__ |
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95 /** |
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96 Retrieves the default path for the file system. |
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97 |
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98 Each session with the file server has a current session path. |
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99 When a new session is opened, its session path is set to the default path |
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100 of the file server. |
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101 At file server start-up, this default path is set to the default path returned |
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102 by the local file system. |
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103 |
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104 The function should return an appropriate error code when the default path |
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105 cannot be supplied. |
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106 |
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107 The derived class should override this base class function. |
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108 |
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109 This default implementation raises an "Fserv fault" 31 panic. |
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110 |
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111 @param aPath On return, contains the default path for the file system for derived classes. |
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112 |
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113 @return KErrNone if successful, otherwise one of the other system wide error codes. |
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114 |
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115 @panic Fserv fault 31 if the default implementation |
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116 for CFileSystem::DefaultPath() is not overridden. |
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117 */ |
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118 TInt CFileSystem::DefaultPath(TDes& /*aPath*/) const |
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119 { |
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120 |
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121 Fault(ESysDefaultPathNotSupported); |
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122 return(KErrNone); |
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123 } |
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124 //#endif |
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125 |
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126 /** |
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127 Sets the file system's resource library. |
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128 |
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129 This library represents the loaded file system. |
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130 |
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131 This is called internally by InstallFileSystem(). |
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132 |
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133 @param aLib The resource library to be set. |
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134 */ |
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135 EXPORT_C void CFileSystem::SetLibrary(RLibrary aLib) |
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136 { |
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137 |
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138 iLibrary=aLib; |
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139 } |
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140 |
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141 /** |
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142 Gets the file system's resource library. |
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143 |
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144 @return The file system's resource library. |
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145 */ |
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146 EXPORT_C RLibrary CFileSystem::Library() const |
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147 { |
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148 return(iLibrary); |
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149 } |
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150 |
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151 /** |
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152 Tests whether the file system supports extensions. |
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153 |
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154 @return True, if the file system supports extensions, false otherwise. |
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155 The defualt implementation returns false. |
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156 */ |
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157 EXPORT_C TBool CFileSystem::IsExtensionSupported() const |
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158 { |
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159 return(EFalse); |
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160 } |
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161 |
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162 EXPORT_C TInt CFileSystem::GetInterface(TInt /*aInterfaceId*/,TAny*& /*aInterface*/,TAny* /*aInput*/) |
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163 { |
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164 return(KErrNotSupported); |
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165 } |
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166 |
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167 EXPORT_C TBool CFileSystem::IsProxyDriveSupported() |
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168 { |
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169 TAny* dummyInterface; |
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170 if(GetInterface(EProxyDriveSupport, dummyInterface, NULL) == KErrNone) |
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171 return ETrue; |
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172 |
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173 return EFalse; |
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174 } |
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175 |
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176 //----------------------------------------------------------------------------- |
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177 /** |
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178 Extended CMountCB factory interface. |
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179 Produces the CMountCB object which can be associated with another CFileSystem owner. |
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180 Used mostly with "automounter" file system |
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181 |
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182 @param apDrive in: pointer to TDrive, producing right CMountCB can require media access ("automounter" recognising the file system) |
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183 @param apFileSystem out: pointer to the CFileSystem object that actually produced CMountCB instance (might be different from "this") |
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184 @param aForceMount in: ETrue if it is necessarily to force mounting (formatting the media, for example) |
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185 @param aFsNameHash in: desired file system name hash (optional). Specifies which file system will be used to produce appropriate CMountCB object. |
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186 The file system that implements NewMountExL() shall decide how to process it. 0 means "default/not specified". |
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187 |
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188 @return pointer to the instantiated CMountCB object. |
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189 */ |
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190 CMountCB* CFileSystem::NewMountExL(TDrive* apDrive, CFileSystem** apFileSystem, TBool aForceMount, TUint32 aFsNameHash) |
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191 { |
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192 TAny* pa; |
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193 |
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194 if(GetInterface(EExtendedFunctionality, pa, NULL) == KErrNone) |
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195 {//-- special interface for the case, when CMountCB object will be produced by not _this_ CFileSystem object, but some different. |
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196 //-- in this case apFileSystem will contain a pointer to the real factory. |
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197 MFileSystemExtInterface* pExtIf = (CFileSystem::MFileSystemExtInterface*)pa; |
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198 ASSERT(pExtIf); |
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199 |
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200 return pExtIf->NewMountExL(apDrive, apFileSystem, aForceMount, aFsNameHash); |
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201 } |
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202 else |
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203 {//--This interface is not supported by current CFileSystem implementation, call normal legacy factory method |
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204 //-- and make _this_ object of CFileSystem produce a new CMountCB |
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205 ASSERT(aFsNameHash == 0); //-- it is impossible to specify the particular FS to be used |
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206 *apFileSystem = this; |
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207 return NewMountL(); |
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208 } |
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209 |
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210 } |
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211 |
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212 |
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213 //----------------------------------------------------------------------------- |
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214 /** |
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215 Get the name of a filesystem from the list of supported on this drive. |
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216 Some filesystems (e.g. "automounter" can support more than one real "child" filesystems. |
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217 For the normal case, only one filesystem is supported (a mouned one). |
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218 |
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219 @param aFsNumber used to enumerate supported filesystems can be: |
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220 special value KRootFileSystem, or |
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221 0,1,2... - the sequence number of a "child" FS. |
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222 |
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223 @param aFsName out: buffer for the returned file system name |
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224 |
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225 @return KErrNone Ok, aFsName contains valid value for the given aFsNumber |
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226 KErrNotFound There is no supported filesystem for the given aFsNumber |
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227 */ |
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228 TInt CFileSystem::GetSupportedFileSystemName(TInt aFsNumber, TDes& aFsName) |
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229 { |
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230 TAny* pa; |
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231 |
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232 //-- we need a special interface to find out the name of the supported file system number "aFsNumber" |
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233 if(GetInterface(EExtendedFunctionality, pa, NULL) == KErrNone) |
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234 { |
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235 MFileSystemExtInterface* pExtIf = (CFileSystem::MFileSystemExtInterface*)pa; |
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236 ASSERT(pExtIf); |
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237 return pExtIf->GetSupportedFileSystemName(aFsNumber, aFsName); |
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238 } |
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239 else |
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240 {//--This interface is not supported by current CFileSystem implementation, but in this case "Root" and first "child" filesystem mean |
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241 //-- the same and this is "this" filesystem |
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242 |
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243 if(aFsNumber == RFs::KRootFileSystem || aFsNumber == RFs::KFirstChildFileSystem) |
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244 { |
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245 aFsName = Name(); |
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246 return KErrNone; |
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247 } |
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248 else |
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249 { |
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250 return KErrNotFound; |
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251 } |
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252 } |
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253 } |
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254 |
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255 //----------------------------------------------------------------------------- |
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256 |
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257 TInt InstallFileSystem(CFileSystem* aSys,RLibrary aLib) |
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258 // |
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259 // Install a file system. |
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260 // |
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261 { |
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262 |
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263 TRACE1(UTF::EBorder, UTraceModuleFileSys::ECFileSystemInstall, EF32TraceUidFileSys, aSys); |
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264 TInt r=aSys->Install(); |
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265 TRACERETMULT2(UTF::EBorder, UTraceModuleFileSys::ECFileSystemInstallRet, EF32TraceUidFileSys, r, aSys->Name()); |
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266 |
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267 __PRINT1TEMP(_L("InstallFileSystem %S"),aSys->Name()); |
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268 if (r==KErrNone) |
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269 {TRAP(r,FileSystems->AddL(aSys,ETrue))} |
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270 if (r!=KErrNone) |
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271 { |
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272 TRACE1(UTF::EBorder, UTraceModuleFileSys::ECFileSystemRemove, EF32TraceUidFileSys, aSys); |
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273 #ifdef SYMBIAN_FTRACE_ENABLE |
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274 TInt r = |
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275 #endif |
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276 aSys->Remove(); |
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277 |
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278 TRACERET1(UTF::EBorder, UTraceModuleFileSys::ECFileSystemRemoveRet, EF32TraceUidFileSys, r); |
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279 } |
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280 if (r==KErrNone) |
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281 aSys->SetLibrary(aLib); |
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282 else |
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283 aSys->Close(); |
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284 return(r); |
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285 } |
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286 |
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287 EXPORT_C CFileSystem* GetFileSystem(const TDesC& aName) |
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288 // |
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289 // Lookup a file system by name. |
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290 // |
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291 { |
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292 |
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293 TInt h=0; |
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294 TInt r=FileSystems->FindByName(h,aName); |
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295 if (r!=KErrNone) |
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296 return(NULL); |
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297 return((CFileSystem*)FileSystems->At(h)); |
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298 } |
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299 |
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300 TInt TFsAddFileSystem::DoRequestL(CFsRequest* aRequest) |
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301 // |
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302 // Add a file system. |
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303 // |
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304 { |
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305 |
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306 __PRINT(_L("TFsAddFileSystem::DoRequestL(CFsRequest* aRequest)")); |
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307 |
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308 RLibrary lib; |
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309 lib.SetHandle(aRequest->Message().Int0()); // Get library handle |
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310 if (lib.Type()[1]!=TUid::Uid(KFileSystemUidValue)) |
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311 return KErrNotSupported; |
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312 |
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313 TFileSystemNew f=(TFileSystemNew)lib.Lookup(1); |
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314 if (!f) |
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315 return KErrCorrupt; |
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316 |
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317 TRACE1(UTF::EBorder, UTraceModuleFileSys::ECFileSystemNew, EF32TraceUidFileSys, lib.Handle()); |
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318 CFileSystem* pS=(*f)(); |
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319 TRACE1(UTF::EBorder, UTraceModuleFileSys::ECFileSystemNewRet, EF32TraceUidFileSys, pS); |
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320 if (!pS) |
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321 return KErrNoMemory; |
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322 TInt r=InstallFileSystem(pS,lib); |
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323 if (r==KErrNone && !LocalFileSystemInitialized) |
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324 { |
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325 _LIT(KLocFSY, "ELOCAL.FSY"); |
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326 TFileName fn(lib.FileName()); |
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327 TParsePtrC ppc(fn); |
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328 |
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329 if (ppc.NameAndExt().CompareF(KLocFSY) == 0) |
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330 r = InitializeLocalFileSystem(pS->Name()); |
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331 } |
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332 return r; |
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333 } |
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334 |
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335 TInt TFsAddFileSystem::Initialise(CFsRequest* aRequest) |
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336 // |
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337 // |
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338 // |
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339 { |
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340 TSecurityPolicy policy(RProcess().SecureId(), ECapabilityTCB); |
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341 if (!policy.CheckPolicy(aRequest->Message(), __PLATSEC_DIAGNOSTIC_STRING("Add File System"))) |
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342 return KErrPermissionDenied; |
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343 return KErrNone; |
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344 } |
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345 |
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346 TInt TFsRemoveFileSystem::DoRequestL(CFsRequest* aRequest) |
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347 // |
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348 // Remove a file system. |
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349 // |
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350 { |
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351 |
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352 TFullName name; |
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353 aRequest->ReadL(KMsgPtr0,name); |
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354 CFileSystem* pF=GetFileSystem(name); |
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355 if (pF==NULL) |
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356 return(KErrNotFound); |
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357 |
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358 CFileSystem* pFs = NULL; |
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359 for(TInt drvNum=0; drvNum<KMaxDrives; drvNum++) |
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360 { |
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361 FsThreadManager::LockDrive(drvNum); |
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362 pFs=TheDrives[drvNum].GetFSys(); |
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363 FsThreadManager::UnlockDrive(drvNum); |
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364 if(!pFs) |
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365 continue; |
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366 |
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367 if(name.CompareF(pFs->Name()) == 0) |
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368 return KErrInUse; |
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369 } |
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370 |
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371 TRACE1(UTF::EBorder, UTraceModuleFileSys::ECFileSystemRemove, EF32TraceUidFileSys, pF); |
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372 TInt r=pF->Remove(); |
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373 TRACERET1(UTF::EBorder, UTraceModuleFileSys::ECFileSystemRemoveRet, EF32TraceUidFileSys, r); |
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374 if (r!=KErrNone) |
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375 return(r); |
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376 |
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377 RLibrary lib=pF->Library(); |
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378 pF->Close(); |
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379 lib.Close(); |
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380 |
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381 return KErrNone; |
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382 } |
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383 |
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384 TInt TFsRemoveFileSystem::Initialise(CFsRequest* aRequest) |
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385 // |
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386 // |
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387 // |
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388 { |
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389 if (!KCapFsRemoveFileSystem.CheckPolicy(aRequest->Message(), __PLATSEC_DIAGNOSTIC_STRING("Remove File System"))) |
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390 return KErrPermissionDenied; |
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391 return KErrNone; |
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392 } |
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393 |
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394 LOCAL_C TInt DoMountFileSystem(CFsRequest* aRequest) |
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395 // |
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396 // |
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397 // |
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398 { |
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399 TInt r = TFileCacheSettings::ReadPropertiesFile(aRequest->Drive()->DriveNumber()); |
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400 if (r != KErrNone) |
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401 return r; |
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402 |
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403 return(aRequest->Drive()->CheckMount()); |
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404 } |
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405 |
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406 |
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407 LOCAL_C TInt DoMountFsInitialise(CFsRequest* aRequest,TDesC& aFsName,TBool aIsExtension,TBool aIsSync) |
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408 // |
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409 // |
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410 // |
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411 { |
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412 if (!KCapFsMountFileSystem.CheckPolicy(aRequest->Message(), __PLATSEC_DIAGNOSTIC_STRING("Mount File System"))) |
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413 return KErrPermissionDenied; |
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414 |
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415 TInt r=ValidateDrive(aRequest->Message().Int1(),aRequest); |
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416 if(r!=KErrNone) |
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417 return(r); |
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418 |
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419 TBool driveThreadExists = FsThreadManager::IsDriveAvailable(aRequest->DriveNumber(), ETrue); |
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420 if(driveThreadExists) |
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421 { |
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422 // A drive thread already exists for this drive.This could be because a filesystem |
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423 // is already mounted, or a proxy drive is loaded. Check the mount to be sure... |
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424 if(aRequest->Drive()->GetFSys()) |
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425 { |
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426 // Yes, a mount already exists so we can't mount another one! |
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427 return(KErrAccessDenied); |
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428 } |
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429 |
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430 __ASSERT_DEBUG(IsProxyDrive(aRequest->DriveNumber()), User::Panic(_L("Bad thread state - No Mount or Proxy Drive Exists!"), -999)); |
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431 } |
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432 |
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433 // ...therefore no drive thread can be present |
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434 __ASSERT_DEBUG(!&aRequest->Drive()->FSys(),Fault(EMountFileSystemFSys)); |
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435 |
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436 if(aRequest->Drive()->IsSubsted()) |
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437 return(KErrAccessDenied); |
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438 |
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439 CFileSystem* pF = GetFileSystem(aFsName); |
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440 |
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441 if (pF == NULL) |
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442 return(KErrNotFound); |
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443 |
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444 // Check that if the drive is a proxy drive (not using TBusLocalDrive) then the filesystem supports these... |
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445 TInt driveNumber = aRequest->DriveNumber(); |
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446 if(IsProxyDrive(driveNumber)) |
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447 { |
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448 if(!pF->IsProxyDriveSupported()) |
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449 return KErrNotSupported; |
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450 |
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451 r = LocalDrives::SetupMediaChange(driveNumber); |
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452 } |
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453 |
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454 TDriveInfo driveInfo; |
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455 driveInfo.iDriveAtt=0; |
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456 pF->DriveInfo(driveInfo, driveNumber); |
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457 if(!driveInfo.iDriveAtt) |
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458 r = KErrArgument; |
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459 |
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460 if(r == KErrNone && !driveThreadExists) |
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461 { |
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462 // determine whether file system synchronous or not not by flag passed in |
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463 r=FsThreadManager::InitDrive(driveNumber, aIsSync); |
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464 } |
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465 |
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466 if(r!=KErrNone) |
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467 return(r); |
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468 |
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469 |
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470 //-- let TDrive object know if the drive is synchronous |
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471 aRequest->Drive()->SetSynchronous(aIsSync); |
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472 |
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473 if(aIsExtension && aRequest->Message().Ptr2()!=NULL) |
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474 { |
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475 TFullName extName; |
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476 r = aRequest->Read(KMsgPtr2,extName); |
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477 if (r!=KErrNone) |
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478 return r; |
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479 CProxyDriveFactory* pE=GetExtension(extName); |
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480 if(pE==NULL) |
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481 return(KErrNotFound); |
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482 r=aRequest->Drive()->MountExtension(pE,ETrue); |
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483 if(r!=KErrNone) |
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484 return(r); |
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485 } |
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486 |
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487 TInt32 newAtt = 0; |
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488 TInt32 oldAtt = 0; |
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489 _LIT8( KAddAtt, "AddDriveAttributes"); |
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490 _LIT8( KRemoveAtt, "RemoveDriveAttributes"); |
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491 _LIT8( KLogicallyRemovableAtt, "KDRIVEATTLOGICALLYREMOVABLE"); |
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492 _LIT8( KHiddenAtt, "KDRIVEATTHIDDEN"); |
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493 _LIT8( KLogicallyRemovableAttHex, "0X200"); |
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494 _LIT8( KHiddenAttHex, "0X400"); |
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495 TBuf8<0x1000> addbuf; |
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496 addbuf.FillZ(); |
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497 TBuf8<0x1000> removebuf; |
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498 removebuf.FillZ(); |
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499 TInt drive = aRequest->Message().Int1(); |
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500 _LIT8(KLitSectionNameDrive,"Drive%C"); |
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501 TBuf8<8> sectionName; |
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502 sectionName.Format(KLitSectionNameDrive, 'A' + drive); |
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503 F32Properties::GetString(sectionName, KAddAtt, addbuf); |
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504 F32Properties::GetString(sectionName, KRemoveAtt, removebuf); //oldAtt now contains value of the attributes to be removed from iDriveAtt. |
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505 |
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506 if(addbuf.Length() != 0) |
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507 { |
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508 TInt pos = 0; |
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509 TInt length = 0; |
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510 TPtrC8 ptr; |
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511 TBool endOfFlag=EFalse; |
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512 |
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513 while(!endOfFlag) |
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514 { |
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515 ptr.Set(addbuf.Mid(pos)); |
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516 length = ptr.Locate(','); |
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517 |
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518 if(length == KErrNotFound) |
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519 { |
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520 endOfFlag = ETrue; |
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521 } |
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522 else{ |
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523 ptr.Set(ptr.Left(length)); |
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524 pos += (length +1); |
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525 } |
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526 |
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527 if(((ptr.MatchF(KLogicallyRemovableAtt)) != KErrNotFound) || ((ptr.MatchF(KLogicallyRemovableAttHex)) != KErrNotFound)) |
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528 newAtt |= KDriveAttLogicallyRemovable; |
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529 if(((ptr.MatchF(KHiddenAtt)) != KErrNotFound) || ((ptr.MatchF(KHiddenAttHex)) != KErrNotFound)) |
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530 newAtt |= KDriveAttHidden; |
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531 |
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532 } |
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533 } |
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534 |
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535 if(removebuf.Length() != 0) |
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536 { |
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537 TInt pos = 0; |
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538 TInt length = 0; |
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539 TPtrC8 ptr; |
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540 TBool endOfFlag=EFalse; |
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541 |
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542 while(!endOfFlag) |
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543 { |
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544 ptr.Set(removebuf.Mid(pos)); |
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545 length = ptr.Locate(','); |
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546 |
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547 if(length == KErrNotFound) |
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548 { |
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549 endOfFlag = ETrue; |
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550 } |
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551 else{ |
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552 ptr.Set(ptr.Left(length)); |
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553 pos += (length +1); |
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554 } |
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555 |
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556 if(((ptr.MatchF(KLogicallyRemovableAtt)) != KErrNotFound) || ((ptr.MatchF(KLogicallyRemovableAttHex)) != KErrNotFound)) |
|
557 oldAtt |= KDriveAttLogicallyRemovable; |
|
558 if(((ptr.MatchF(KHiddenAtt)) != KErrNotFound) || ((ptr.MatchF(KHiddenAttHex)) != KErrNotFound)) |
|
559 oldAtt |= KDriveAttHidden; |
|
560 |
|
561 } |
|
562 } |
|
563 |
|
564 if ((newAtt & KDriveAttLogicallyRemovable) && (!(driveInfo.iDriveAtt & KDriveAttRemovable)) && (!(newAtt & KDriveAttRemovable))) |
|
565 { |
|
566 newAtt |= KDriveAttRemovable; //KDriveAttLogicallyRemovale should always set KDriveAttRemovale |
|
567 } |
|
568 if ((oldAtt & KDriveAttRemovable) && (!(oldAtt & KDriveAttLogicallyRemovable))) |
|
569 { |
|
570 oldAtt |= KDriveAttLogicallyRemovable; |
|
571 } |
|
572 if(newAtt) |
|
573 { |
|
574 driveInfo.iDriveAtt |= newAtt; |
|
575 } |
|
576 if(oldAtt) |
|
577 { |
|
578 if(oldAtt & driveInfo.iDriveAtt) |
|
579 { |
|
580 driveInfo.iDriveAtt ^= oldAtt; |
|
581 } |
|
582 } |
|
583 aRequest->Drive()->SetAtt(driveInfo.iDriveAtt); |
|
584 aRequest->Drive()->GetFSys()=pF; |
|
585 |
|
586 // empty the closed file queue |
|
587 TClosedFileUtils::Remove(aRequest->DriveNumber()); |
|
588 |
|
589 return(KErrNone); |
|
590 } |
|
591 |
|
592 |
|
593 TInt TFsMountFileSystem::DoRequestL(CFsRequest* aRequest) |
|
594 // |
|
595 // Mount a filesystem on a drive. |
|
596 // |
|
597 { |
|
598 TInt r=DoMountFileSystem(aRequest); |
|
599 if( KErrNone == r ) |
|
600 { |
|
601 FsNotify::DiskChange(aRequest->DriveNumber()); |
|
602 } |
|
603 |
|
604 // Refresh the loader cache to ensure that the new drive is monitored. |
|
605 #ifndef __WINS__ |
|
606 gInitCacheCheckDrivesAndAddNotifications = EFalse; |
|
607 #endif |
|
608 |
|
609 return r; |
|
610 } |
|
611 |
|
612 |
|
613 TInt TFsMountFileSystem::Initialise(CFsRequest* aRequest) |
|
614 // |
|
615 // |
|
616 // |
|
617 { |
|
618 TFullName name; |
|
619 TInt r = aRequest->Read(KMsgPtr0,name); |
|
620 if (r == KErrNone) |
|
621 r = DoMountFsInitialise(aRequest,name,ETrue,aRequest->Message().Int3()); |
|
622 return r; |
|
623 } |
|
624 |
|
625 TInt TFsMountFileSystemScan::DoRequestL(CFsRequest* aRequest) |
|
626 // |
|
627 // mount file system and then call scandrive |
|
628 // |
|
629 { |
|
630 TInt r=DoMountFileSystem(aRequest); |
|
631 // run scandrive if successful mount |
|
632 TBool isMountSuccess=(KErrNone==r); |
|
633 if(isMountSuccess) |
|
634 { |
|
635 r=aRequest->Drive()->ScanDrive(); |
|
636 FsNotify::DiskChange(aRequest->DriveNumber()); |
|
637 } |
|
638 TPtrC8 pMS((TUint8*)&isMountSuccess,sizeof(TBool)); |
|
639 aRequest->WriteL(KMsgPtr3,pMS); |
|
640 return(r); |
|
641 } |
|
642 |
|
643 |
|
644 TInt TFsMountFileSystemScan::Initialise(CFsRequest* aRequest) |
|
645 // |
|
646 // |
|
647 // |
|
648 { |
|
649 TFullName name; |
|
650 TInt r = aRequest->Read(KMsgPtr0,name); |
|
651 if (r == KErrNone) |
|
652 r = DoMountFsInitialise(aRequest,name,ETrue,EFalse); |
|
653 return r; |
|
654 } |
|
655 |
|
656 LOCAL_C TInt DoDismountFileSystem(const TDesC& aName, TDrive* aDrive, TBool aAllowRom, TBool aForceDismount) |
|
657 // |
|
658 // Do file system dismount |
|
659 // |
|
660 { |
|
661 TInt drvNumber=aDrive->DriveNumber(); |
|
662 |
|
663 FsThreadManager::LockDrive(drvNumber); |
|
664 CFileSystem* pF=GetFileSystem(aName); |
|
665 if(pF==NULL) |
|
666 { |
|
667 FsThreadManager::UnlockDrive(drvNumber); |
|
668 return(KErrNotFound); |
|
669 } |
|
670 if(aDrive->IsRom() && !aAllowRom) |
|
671 { |
|
672 FsThreadManager::UnlockDrive(drvNumber); |
|
673 return(KErrAccessDenied); |
|
674 } |
|
675 |
|
676 if(!aForceDismount) |
|
677 { |
|
678 if(aDrive->IsMounted() && aDrive->CurrentMount().LockStatus()!=0) |
|
679 { |
|
680 FsThreadManager::UnlockDrive(drvNumber); |
|
681 return(KErrInUse); |
|
682 } |
|
683 if(aDrive->ActiveMounts() > 1) |
|
684 { |
|
685 FsThreadManager::UnlockDrive(drvNumber); |
|
686 return(KErrInUse); |
|
687 } |
|
688 |
|
689 aDrive->ReactivateMounts(); |
|
690 } |
|
691 |
|
692 // ensure that current mount is dismounted |
|
693 if(aForceDismount) |
|
694 { |
|
695 TInt r = aDrive->FlushCachedFileInfo(ETrue); |
|
696 |
|
697 // Dismount the file system even if the flush fails for some reason (media permanently removed, user cancels notifier etc |
|
698 if (r!=KErrNone && r!=KErrAbort) |
|
699 { |
|
700 FsThreadManager::UnlockDrive(drvNumber); |
|
701 return(r); |
|
702 } |
|
703 aDrive->ForceDismount(); |
|
704 } |
|
705 else |
|
706 { |
|
707 aDrive->Dismount(); |
|
708 } |
|
709 |
|
710 aDrive->GetFSys()=NULL; |
|
711 aDrive->SetAtt(0); |
|
712 aDrive->ExtInfo().iCount=0; |
|
713 |
|
714 // no need to cancel requests if synchronous since queued |
|
715 if(!FsThreadManager::IsDriveSync(drvNumber,EFalse)) |
|
716 { |
|
717 CDriveThread* pT=NULL; |
|
718 TInt r=FsThreadManager::GetDriveThread(drvNumber,&pT); |
|
719 __ASSERT_ALWAYS(r==KErrNone && pT,Fault(EDismountFsDriveThread)); |
|
720 pT->CompleteAllRequests(KErrNotReady); |
|
721 } |
|
722 |
|
723 if(!IsProxyDrive(drvNumber)) |
|
724 { |
|
725 // Proxy drives are responsible for managing the drive threads... |
|
726 FsThreadManager::CloseDrive(drvNumber); |
|
727 } |
|
728 |
|
729 FsThreadManager::UnlockDrive(drvNumber); |
|
730 FsNotify::DiskChange(drvNumber); |
|
731 return(KErrNone); |
|
732 } |
|
733 |
|
734 TInt TFsDismountFileSystem::DoRequestL(CFsRequest* aRequest) |
|
735 // |
|
736 // Dismount a filesystem from a drive. |
|
737 // |
|
738 { |
|
739 TDrive* drive=aRequest->Drive(); |
|
740 __ASSERT_DEBUG(&aRequest->Drive()->FSys() && !drive->IsSubsted(),Fault(EDisMountFileSystemFSys)); |
|
741 TFullName name; |
|
742 aRequest->ReadL(KMsgPtr0,name); |
|
743 |
|
744 if(drive->DismountDeferred()) |
|
745 return KErrInUse; |
|
746 |
|
747 return DoDismountFileSystem(name, drive, EFalse, EFalse); |
|
748 } |
|
749 |
|
750 TInt TFsDismountFileSystem::Initialise(CFsRequest* aRequest) |
|
751 // |
|
752 // |
|
753 // |
|
754 { |
|
755 if (!KCapFsDismountFileSystem.CheckPolicy(aRequest->Message(), __PLATSEC_DIAGNOSTIC_STRING("Dismount File System"))) |
|
756 return KErrPermissionDenied; |
|
757 TInt r = ValidateDrive(aRequest->Message().Int1(),aRequest); |
|
758 if(r == KErrNone) |
|
759 { |
|
760 TInt driveNumber = aRequest->DriveNumber(); |
|
761 if(IsProxyDrive(driveNumber)) |
|
762 { |
|
763 LocalDrives::NotifyChangeCancel(driveNumber); |
|
764 } |
|
765 } |
|
766 return r; |
|
767 } |
|
768 |
|
769 /** |
|
770 Return name of file system mounted on a specified drive or one of the file system names if |
|
771 the drive supports several of them. |
|
772 */ |
|
773 TInt TFsFileSystemName::DoRequestL(CFsRequest* aRequest) |
|
774 { |
|
775 //-- ipc parameters: |
|
776 //-- 0 out: file system name decriptor |
|
777 //-- 1 drive number |
|
778 //-- 2 file system enumerator |
|
779 |
|
780 const TInt driveNumber = aRequest->Message().Int1(); |
|
781 if (driveNumber < 0 || driveNumber >= KMaxDrives) |
|
782 return KErrArgument; |
|
783 |
|
784 const TInt fsNumber = aRequest->Message().Int2(); //-- file system number; for RFs::FileSystemName() it is "-1" |
|
785 |
|
786 TFullName fsName; |
|
787 // lock drive to synchronise with dismounting a file system |
|
788 FsThreadManager::LockDrive(driveNumber); |
|
789 CFileSystem* pF=TheDrives[driveNumber].GetFSys(); |
|
790 FsThreadManager::UnlockDrive(driveNumber); |
|
791 |
|
792 TInt err = KErrNone; |
|
793 |
|
794 if(pF) |
|
795 { |
|
796 if(fsNumber == -1) |
|
797 fsName = pF->Name(); //-- this is RFs::FileSystemName() call |
|
798 else |
|
799 err = pF->GetSupportedFileSystemName(fsNumber, fsName); //-- this is RFs::SupportedFileSystemName() call |
|
800 } |
|
801 else |
|
802 {//-- the drive doesn't have file system installed |
|
803 fsName=_L(""); |
|
804 err = KErrNotFound; |
|
805 } |
|
806 |
|
807 aRequest->WriteL(KMsgPtr0, fsName); |
|
808 |
|
809 return err; |
|
810 } |
|
811 |
|
812 TInt TFsFileSystemName::Initialise(CFsRequest* /*aRequest*/) |
|
813 { |
|
814 return KErrNone; |
|
815 } |
|
816 |
|
817 TInt TFsRemountDrive::DoRequestL(CFsRequest* aRequest) |
|
818 // |
|
819 // Force a remount of the specified drive |
|
820 // |
|
821 { |
|
822 const TDesC8 *mountInfo=REINTERPRET_CAST(const TDesC8*,aRequest->Message().Ptr1()); |
|
823 return(aRequest->Drive()->ForceRemountDrive(mountInfo,aRequest->Message().Handle(),aRequest->Message().Int2()));//changed from thread to message handle |
|
824 } |
|
825 |
|
826 TInt TFsRemountDrive::Initialise(CFsRequest* aRequest) |
|
827 // |
|
828 // |
|
829 // |
|
830 { |
|
831 |
|
832 TInt r=ValidateDriveDoSubst(aRequest->Message().Int0(),aRequest); |
|
833 return(r); |
|
834 } |
|
835 |
|
836 TInt TFsSetLocalDriveMapping::DoRequestL(CFsRequest* aRequest) |
|
837 // |
|
838 // set up drive letter to local drive mapping |
|
839 // |
|
840 { |
|
841 return(LocalDrives::SetDriveMappingL(aRequest)); |
|
842 } |
|
843 |
|
844 TInt TFsSetLocalDriveMapping::Initialise(CFsRequest* /*aRequest*/) |
|
845 // |
|
846 // |
|
847 // |
|
848 { |
|
849 return KErrNone; |
|
850 } |
|
851 |
|
852 _LIT(KCompositeFsName,"Composite"); |
|
853 |
|
854 TInt TFsSwapFileSystem::DoRequestL(CFsRequest* aRequest) |
|
855 // |
|
856 // Swap a filesystem on a drive |
|
857 // Should always leave a filesystem mounted on the drive |
|
858 // |
|
859 { |
|
860 TFileName newName; |
|
861 aRequest->ReadL(KMsgPtr0,newName); |
|
862 CFileSystem* pF=GetFileSystem(newName); |
|
863 if (pF==NULL) |
|
864 return(KErrNotFound); |
|
865 TFileName oldName; |
|
866 aRequest->ReadL(KMsgPtr2,oldName); |
|
867 TInt drvNumber=aRequest->Message().Int1(); |
|
868 TBool newFsIsComposite = (newName.CompareF(KCompositeFsName) == 0); |
|
869 |
|
870 if (newFsIsComposite) |
|
871 { |
|
872 if(CompFsMounted) |
|
873 return(KErrAlreadyExists); |
|
874 if(EDriveZ!=drvNumber) |
|
875 return(KErrNotSupported); |
|
876 } |
|
877 else |
|
878 // swapping filesystem on z: only allow for romfs + compfs |
|
879 if(EDriveZ==drvNumber) |
|
880 return(KErrNotSupported); |
|
881 |
|
882 TDrive& drive=TheDrives[drvNumber]; |
|
883 |
|
884 if(drive.DismountDeferred()) |
|
885 return KErrInUse; |
|
886 |
|
887 TBool clamps=drive.ClampFlag(); |
|
888 if(clamps) |
|
889 return KErrInUse; |
|
890 |
|
891 // Return an error if the drive is asynchronous. |
|
892 // This function is only supported on synchronous drives. |
|
893 TBool isSync = FsThreadManager::IsDriveSync(drvNumber,EFalse); |
|
894 if(!isSync) |
|
895 return KErrNotSupported; |
|
896 |
|
897 TInt r=DoDismountFileSystem(oldName,&drive,ETrue,EFalse); |
|
898 if(r!=KErrNone) |
|
899 return(r); |
|
900 |
|
901 __ASSERT_ALWAYS(drive.GetFSys()==NULL,Fault(ESwapFileSystemNull)); |
|
902 |
|
903 r=DoMountFsInitialise(aRequest,newName,EFalse,isSync); |
|
904 if(r==KErrNone) |
|
905 r=DoMountFileSystem(aRequest); |
|
906 |
|
907 if(drive.GetFSys()==NULL || (newFsIsComposite && r!=KErrNone)) |
|
908 { |
|
909 // remounting of the original filesystem should not fail |
|
910 if(drive.GetFSys()!=NULL) |
|
911 r=DoDismountFileSystem(newName,&drive,ETrue,EFalse); |
|
912 |
|
913 r=DoMountFsInitialise(aRequest,oldName,EFalse,isSync); |
|
914 if(r==KErrNone) |
|
915 r=DoMountFileSystem(aRequest); |
|
916 |
|
917 __ASSERT_ALWAYS(r==KErrNone && drive.GetFSys()!=NULL,Fault(ESwapFileSystemMount)); |
|
918 } |
|
919 else if (newFsIsComposite) |
|
920 { |
|
921 FsThreadManager::ChangeSync(drvNumber,CompFsSync); |
|
922 CompFsMounted=ETrue; |
|
923 } |
|
924 |
|
925 if(drvNumber==EDriveZ) |
|
926 { |
|
927 __ASSERT_ALWAYS(r==KErrNone,Fault(ESwapFileSystemRom)); |
|
928 RefreshZDriveCache=ETrue; |
|
929 } |
|
930 return(r); |
|
931 } |
|
932 |
|
933 TInt TFsSwapFileSystem::Initialise(CFsRequest* /*aRequest*/) |
|
934 // |
|
935 // |
|
936 // |
|
937 { |
|
938 return KErrNone; |
|
939 } |
|
940 |
|
941 |
|
942 TInt TFsAddCompositeMount::DoRequestL(CFsRequest* aRequest) |
|
943 // |
|
944 // Input fsyName, localDriveNUmber, CompositeDriveNumber |
|
945 // |
|
946 // |
|
947 { |
|
948 __PRINT(_L("TFsAddCompositeMount::DoRequestL")); |
|
949 |
|
950 TFileName fsyName; |
|
951 aRequest->ReadL(KMsgPtr0,fsyName); |
|
952 CFileSystem* pNewFileSystem=GetFileSystem(fsyName); |
|
953 |
|
954 if (pNewFileSystem==NULL) |
|
955 return KErrNotFound; |
|
956 |
|
957 const TInt localDriveNumber=aRequest->Message().Int1(); |
|
958 const TInt compositeDriveNumber=aRequest->Message().Int2(); |
|
959 const TInt sync=aRequest->Message().Int3(); |
|
960 |
|
961 __PRINT3(_L("TFsAddCompositeMount::DoRequestL fsy:%S, locDrv:%d, compDrv:%d"),&fsyName, localDriveNumber,compositeDriveNumber); |
|
962 |
|
963 // Currently, compFS assumed its mounting on romfs, on z: |
|
964 if (compositeDriveNumber!=EDriveZ) |
|
965 return KErrNotSupported; |
|
966 |
|
967 // Mounts can only be added to the compfs, before it is mounted. |
|
968 if (CompFsMounted) |
|
969 return KErrInUse; |
|
970 |
|
971 // The drive is needed, so the new sub mount, can be mounted |
|
972 // on it temporarily. ROMFS doest care if we do this as it |
|
973 // has no local mapping. |
|
974 FsThreadManager::LockDrive(compositeDriveNumber); |
|
975 |
|
976 TRAPD(err, AddFsToCompositeMountL(compositeDriveNumber, *pNewFileSystem, localDriveNumber)); |
|
977 if (err!=KErrNone) |
|
978 { |
|
979 FsThreadManager::UnlockDrive(compositeDriveNumber); |
|
980 return err; |
|
981 } |
|
982 // Fault(EMountFileSystemFSys); |
|
983 |
|
984 FsThreadManager::UnlockDrive(compositeDriveNumber); |
|
985 |
|
986 // The drive will end up asynchronous if any sub mounts are. |
|
987 if (!sync) |
|
988 CompFsSync=EFalse; |
|
989 |
|
990 return KErrNone; |
|
991 } |
|
992 |
|
993 |
|
994 TInt TFsAddCompositeMount::Initialise(CFsRequest* aRequest) |
|
995 // |
|
996 // |
|
997 // |
|
998 { |
|
999 if (!KCapFsAddCompositeMount.CheckPolicy(aRequest->Message(), __PLATSEC_DIAGNOSTIC_STRING("Add Composite Mount"))) |
|
1000 return KErrPermissionDenied; |
|
1001 return KErrNone; |
|
1002 } |
|
1003 |
|
1004 void TFsAddCompositeMount::AddFsToCompositeMountL(TInt aDriveNumber, CFileSystem& aFileSystem, TInt aLocalDriveNumber) |
|
1005 { |
|
1006 __PRINT3(_L("TFsAddCompositeMount::AddFsToCompositeMountL() FS:0x%x, drv:%d, local drive:%d"),&aFileSystem, aDriveNumber,aLocalDriveNumber); |
|
1007 TInt err; |
|
1008 |
|
1009 TDrive& theDrive=TheDrives[aDriveNumber]; |
|
1010 CFileSystem* pFs = theDrive.GetFSys(); |
|
1011 |
|
1012 CFileSystem* pCompFS = GetFileSystem(_L("Composite")); |
|
1013 if ((pCompFS == NULL) || (pFs==NULL)) |
|
1014 User::Leave(KErrNotReady); |
|
1015 |
|
1016 CMountCB* pMount = pCompFS->NewMountL(); //-- pMount is, actually, a singleton. |
|
1017 pMount->InitL(theDrive, pCompFS); |
|
1018 |
|
1019 |
|
1020 // invalidate the drive previously used by the local drive just added, and swap with a DriveNumber |
|
1021 TInt drv; |
|
1022 drv = LocalDrives::GetDriveFromLocalDrive(aLocalDriveNumber); |
|
1023 __ASSERT_ALWAYS(drv!=KDriveInvalid, User::Leave(KErrNotSupported)); |
|
1024 //__PRINT1(_L("TFsAddCompositeMount::AddFsToCompositeMountL : drive to invalidate %d"),drv); |
|
1025 LocalDrives::iMapping[drv] = KDriveInvalid; |
|
1026 LocalDrives::iMapping[aDriveNumber] = aLocalDriveNumber; |
|
1027 |
|
1028 // Ask the composite mount to mount the new filesystem. |
|
1029 TAny* dummy=NULL; |
|
1030 err = pMount->GetInterfaceTraced(CMountCB::EAddFsToCompositeMount, dummy, &aFileSystem); |
|
1031 if(err != KErrNone) |
|
1032 User::Leave(err); |
|
1033 } |
|
1034 |
|
1035 |
|
1036 TInt TDrive::DeferredDismount() |
|
1037 { |
|
1038 // Dismount |
|
1039 TInt err = DoDismountFileSystem(GetFSys()->Name(), this, EFalse, ETrue); |
|
1040 if (err == CFsRequest::EReqActionBusy) |
|
1041 return err; |
|
1042 |
|
1043 DoCompleteDismountNotify(err); |
|
1044 |
|
1045 SetDismountDeferred(EFalse); |
|
1046 |
|
1047 return err; |
|
1048 } |
|
1049 |
|
1050 TInt TFsNotifyDismount::Initialise(CFsRequest* aRequest) |
|
1051 // |
|
1052 // Initialise a dismount notifier. |
|
1053 // - All clients may register with EFsDismountRegisterClient. |
|
1054 // - DiskAdmin is required for EFsDismountNotifyClients and EFsDismountForceDismount |
|
1055 // |
|
1056 { |
|
1057 const RMessage2& m=aRequest->Message(); |
|
1058 const TNotifyDismountMode mode = (TNotifyDismountMode)m.Int1(); |
|
1059 |
|
1060 switch(mode) |
|
1061 { |
|
1062 case EFsDismountForceDismount: |
|
1063 case EFsDismountNotifyClients: |
|
1064 { |
|
1065 // Capabilities are required to dismount a file system |
|
1066 if(!KCapFsDismountFileSystem.CheckPolicy(aRequest->Message(), __PLATSEC_DIAGNOSTIC_STRING("Notify Dismount"))) |
|
1067 return KErrPermissionDenied; |
|
1068 break; |
|
1069 } |
|
1070 |
|
1071 case EFsDismountRegisterClient: |
|
1072 { |
|
1073 // No capabilities are required for a client to register for notification |
|
1074 break; |
|
1075 } |
|
1076 |
|
1077 default: |
|
1078 { |
|
1079 return KErrArgument; |
|
1080 //break; |
|
1081 } |
|
1082 } |
|
1083 |
|
1084 return ValidateDrive(aRequest->Message().Int0() ,aRequest); |
|
1085 } |
|
1086 |
|
1087 TInt TFsNotifyDismount::DoRequestL(CFsRequest* aRequest) |
|
1088 // |
|
1089 // Register for notification of pending dismount [EFsDismountRegisterClient] |
|
1090 // or notify clients of a pending dismount [EFsDismountNotifyClients] |
|
1091 // or forcibly dismount the file system [EFsDismountForceDismount] |
|
1092 // |
|
1093 { |
|
1094 __ASSERT_DEBUG(&aRequest->Drive()->FSys() && !aRequest->Drive()->IsSubsted(), Fault(ENotifyDismount)); |
|
1095 |
|
1096 TInt err = KErrNone; |
|
1097 |
|
1098 const RMessage2& m=aRequest->Message(); |
|
1099 const TNotifyDismountMode mode = (TNotifyDismountMode)m.Int1(); |
|
1100 TDrive* theDrive = aRequest->Drive(); |
|
1101 const TInt driveNumber = theDrive->DriveNumber(); |
|
1102 |
|
1103 switch(mode) |
|
1104 { |
|
1105 case EFsDismountRegisterClient: |
|
1106 { |
|
1107 err = RegisterNotify(aRequest); |
|
1108 break; |
|
1109 } |
|
1110 |
|
1111 case EFsDismountNotifyClients: |
|
1112 { |
|
1113 if(aRequest->Drive()->DismountLocked()) |
|
1114 { |
|
1115 err = RegisterNotify(aRequest); |
|
1116 if (err != KErrNone) |
|
1117 return err; |
|
1118 // Complete outstanding client dismount notifiers and flag the drive as pending dismount. |
|
1119 FsNotify::HandleDismount(EFsDismountRegisterClient, driveNumber, EFalse, KErrNone); |
|
1120 theDrive->SetDismountDeferred(ETrue); |
|
1121 } |
|
1122 else |
|
1123 { |
|
1124 // There are no interested clients, so dismount immediately - if no clamps are present |
|
1125 err = theDrive->ClampsOnDrive(); |
|
1126 |
|
1127 // If there are no clamps or clamping is not supported, proceed with the enforced dismount |
|
1128 // If there are clamps, wait for the clamps to be removed |
|
1129 if (err > 0) |
|
1130 { |
|
1131 err = RegisterNotify(aRequest); |
|
1132 theDrive->SetDismountDeferred(ETrue); |
|
1133 } |
|
1134 else if (err == 0 || err == KErrNotSupported) |
|
1135 { |
|
1136 // No clamps to worry about, so dismount immediately and complete the request |
|
1137 err = DoDismountFileSystem(theDrive->GetFSys()->Name(), theDrive, EFalse, ETrue); |
|
1138 if (err == CFsRequest::EReqActionBusy) |
|
1139 return err; |
|
1140 m.Complete(err); |
|
1141 } |
|
1142 } |
|
1143 break; |
|
1144 } |
|
1145 |
|
1146 case EFsDismountForceDismount: |
|
1147 { |
|
1148 // Prepare for deferred dismount due to the presence of file clamps |
|
1149 err = theDrive->ClampsOnDrive(); |
|
1150 |
|
1151 // If there are no clamps or clamping is not supported, proceed with the enforced dismount |
|
1152 // If there are clamps, wait for the clamps to be removed |
|
1153 if(err > 0) |
|
1154 { |
|
1155 err = RegisterNotify(aRequest); |
|
1156 theDrive->SetDismountDeferred(ETrue); |
|
1157 } |
|
1158 else if (err == 0 || err == KErrNotSupported) |
|
1159 { |
|
1160 // Forced dismount - notify/remove all client notifiers and complete immediately |
|
1161 err = theDrive->DeferredDismount(); |
|
1162 if (err == CFsRequest::EReqActionBusy) |
|
1163 return err; |
|
1164 m.Complete(err); |
|
1165 } |
|
1166 break; |
|
1167 } |
|
1168 |
|
1169 default: |
|
1170 { |
|
1171 // We shouldn't ever get here |
|
1172 Fault(ENotifyDismount); |
|
1173 break; |
|
1174 } |
|
1175 } |
|
1176 |
|
1177 return err; |
|
1178 } |
|
1179 |
|
1180 TInt TFsNotifyDismount::RegisterNotify(CFsRequest* aRequest) |
|
1181 // |
|
1182 // Register for notification of pending dismount [EFsDismountRegisterClient] |
|
1183 // or notify clients of a pending dismount [EFsDismountNotifyClients] |
|
1184 // or forcibly dismount the file system [EFsDismountForceDismount] |
|
1185 // |
|
1186 { |
|
1187 const RMessage2& m=aRequest->Message(); |
|
1188 const TNotifyDismountMode mode = (TNotifyDismountMode)m.Int1(); |
|
1189 TDrive* theDrive = aRequest->Drive(); |
|
1190 const TInt driveNumber = theDrive->DriveNumber(); |
|
1191 |
|
1192 if (mode == EFsDismountNotifyClients && theDrive->DismountDeferred()) |
|
1193 { |
|
1194 return KErrInUse; |
|
1195 } |
|
1196 |
|
1197 CDismountNotifyInfo* info = new CDismountNotifyInfo; |
|
1198 if(info == NULL) |
|
1199 { |
|
1200 return KErrNoMemory; |
|
1201 } |
|
1202 |
|
1203 info->Initialise(mode, driveNumber, (TRequestStatus*)m.Ptr2(), m, aRequest->Session()); |
|
1204 TInt err = FsNotify::AddDismountNotify(info); |
|
1205 if(err != KErrNone) |
|
1206 { |
|
1207 delete info; |
|
1208 return err; |
|
1209 } |
|
1210 |
|
1211 return KErrNone; |
|
1212 } |
|
1213 |
|
1214 TInt TFsNotifyDismountCancel::DoRequestL(CFsRequest* aRequest) |
|
1215 // |
|
1216 // Cancel a pending dismount notifier - Request |
|
1217 // |
|
1218 { |
|
1219 CSessionFs* session = aRequest->Session(); |
|
1220 FsNotify::CancelDismountNotifySession(session, (TRequestStatus*)aRequest->Message().Ptr0()); |
|
1221 return KErrNone; |
|
1222 } |
|
1223 |
|
1224 TInt TFsNotifyDismountCancel::Initialise(CFsRequest* /*aRequest*/) |
|
1225 // |
|
1226 // Cancel a pending dismount notifier - Initialise |
|
1227 // |
|
1228 { |
|
1229 return KErrNone; |
|
1230 } |
|
1231 |
|
1232 TInt TFsAllowDismount::DoRequestL(CFsRequest* aRequest) |
|
1233 // |
|
1234 // Notifies the file server that the client is finished with the drive. |
|
1235 // The last client to allow the dismount signals the dismounting thread. |
|
1236 // |
|
1237 { |
|
1238 TDrive* theDrive = aRequest->Drive(); |
|
1239 const TInt driveNumber = theDrive->DriveNumber(); |
|
1240 |
|
1241 // Verify that the client has registered for notification |
|
1242 if(!FsNotify::HandlePendingDismount(aRequest->Session(), driveNumber)) |
|
1243 return KErrNotFound; |
|
1244 |
|
1245 if(theDrive->DismountLocked()) |
|
1246 return KErrNone; |
|
1247 |
|
1248 TInt clampErr = theDrive->ClampsOnDrive(); |
|
1249 TInt err = KErrNone; |
|
1250 |
|
1251 if ((theDrive->DismountDeferred()) && (clampErr == 0 || clampErr == KErrNotSupported)) |
|
1252 { |
|
1253 // No clamps to worry about, so dismount immediately and complete the request |
|
1254 __ASSERT_DEBUG(aRequest->Drive()->GetFSys(), Fault(EAllowDismount)); |
|
1255 |
|
1256 // When the last client has responded, allow the media to be forcibly dismounted |
|
1257 err = theDrive->DeferredDismount(); |
|
1258 } |
|
1259 |
|
1260 return err; |
|
1261 } |
|
1262 |
|
1263 TInt TFsAllowDismount::Initialise(CFsRequest* aRequest) |
|
1264 // |
|
1265 // Notifies the file server that the client is finished with the drive |
|
1266 // |
|
1267 { |
|
1268 return ValidateDrive(aRequest->Message().Int0(),aRequest); |
|
1269 } |
|
1270 |
|
1271 |
|
1272 TInt TFsMountProxyDrive::DoRequestL(CFsRequest* aRequest) |
|
1273 { |
|
1274 return LocalDrives::MountProxyDrive(aRequest); |
|
1275 } |
|
1276 |
|
1277 TInt TFsMountProxyDrive::Initialise(CFsRequest* aRequest) |
|
1278 { |
|
1279 if (!KCapFsMountProxyDrive.CheckPolicy(aRequest->Message(), __PLATSEC_DIAGNOSTIC_STRING("Mount Proxy Drive"))) |
|
1280 return KErrPermissionDenied; |
|
1281 |
|
1282 TInt err = LocalDrives::InitProxyDrive(aRequest); |
|
1283 if(err == KErrNone) |
|
1284 { |
|
1285 // Now create the drive thread - proxy extensions are always asynchronous... |
|
1286 err = FsThreadManager::InitDrive(aRequest->DriveNumber(), EFalse); |
|
1287 } |
|
1288 |
|
1289 return err; |
|
1290 } |
|
1291 |
|
1292 TInt TFsLoadCodePage::DoRequestL(CFsRequest* aRequest) |
|
1293 // |
|
1294 // Installs a code page |
|
1295 // |
|
1296 { |
|
1297 __PRINT(_L("TFsLoadCodePage::DoRequestL(CFsRequest* aRequest)")); |
|
1298 |
|
1299 RLibrary lib; |
|
1300 lib.SetHandle(aRequest->Message().Int0()); |
|
1301 if (lib.Type()[1]!=TUid::Uid(KLocaleDllUidValue16)) |
|
1302 return(KErrNotSupported); |
|
1303 |
|
1304 if(TheCodePage.CodepageLoaded() == TCodePageUtils::ECodePageDll) |
|
1305 { |
|
1306 return(KErrAlreadyExists); |
|
1307 } |
|
1308 |
|
1309 /* |
|
1310 // Actual Functions form the Codepage Dll (fatCnvU.def) |
|
1311 1 : void UnicodeConv::ConvertFromUnicodeL(class TDes8 &, class TDesC16 const &) |
|
1312 2 : void UnicodeConv::ConvertToUnicodeL(class TDes16 &, class TDesC8 const &) |
|
1313 3 : int UnicodeConv::IsLegalShortNameCharacter(unsigned int) |
|
1314 4 : int UnicodeConv::ConvertFromUnicodeL(class TDes8 &, class TDesC16 const &, int) |
|
1315 5 : int UnicodeConv::ConvertToUnicodeL(class TDes16 &, class TDesC8 const &, int) |
|
1316 */ |
|
1317 |
|
1318 /* |
|
1319 Read only the following fns from Codepage Dll ( lib.Lookup(1) and lib.Lookup(2) retained in cpnnn.dll for backward compatibility) |
|
1320 3 : int UnicodeConv::IsLegalShortNameCharacter(unsigned int) |
|
1321 4 : int UnicodeConv::ConvertFromUnicodeL(class TDes8 &, class TDesC16 const &, int) |
|
1322 5 : int UnicodeConv::ConvertToUnicodeL(class TDes16 &, class TDesC8 const &, int) |
|
1323 */ |
|
1324 |
|
1325 TheCodePage.iCodePageFunctions.iIsLegalShortNameCharacter = (TCodePageFunctions::TIsLegalShortNameCharacter)(lib.Lookup(3)); |
|
1326 TheCodePage.iCodePageFunctions.iConvertFromUnicodeL = (TCodePageFunctions::TConvertFromUnicodeL)(lib.Lookup(4)); |
|
1327 TheCodePage.iCodePageFunctions.iConvertToUnicodeL = (TCodePageFunctions::TConvertToUnicodeL)(lib.Lookup(5)); |
|
1328 |
|
1329 if( TheCodePage.iCodePageFunctions.iIsLegalShortNameCharacter == NULL || |
|
1330 TheCodePage.iCodePageFunctions.iConvertFromUnicodeL == NULL || |
|
1331 TheCodePage.iCodePageFunctions.iConvertToUnicodeL == NULL ) |
|
1332 { |
|
1333 return(KErrCorrupt); |
|
1334 } |
|
1335 TheCodePage.iCodepageLoaded = TCodePageUtils::ECodePageDll; |
|
1336 |
|
1337 return(KErrNone); |
|
1338 } |
|
1339 |
|
1340 TInt TFsLoadCodePage::Initialise(CFsRequest* aRequest) |
|
1341 // |
|
1342 // Installs a code page |
|
1343 // |
|
1344 { |
|
1345 __PRINT(_L("TFsLoadCodePage::Initialise(CFsRequest* aRequest)")); |
|
1346 |
|
1347 // Set the drive |
|
1348 TInt drive = aRequest->Session()->CurrentDrive(); |
|
1349 aRequest->SetDrive(&TheDrives[drive]); |
|
1350 |
|
1351 TSecurityPolicy policy(RProcess().SecureId(), ECapabilityDiskAdmin); |
|
1352 if (!policy.CheckPolicy(aRequest->Message(), __PLATSEC_DIAGNOSTIC_STRING("TFsLoadCodePage::Initialise"))) |
|
1353 { |
|
1354 return KErrPermissionDenied; |
|
1355 } |
|
1356 |
|
1357 return KErrNone; |
|
1358 } |
|
1359 |
|
1360 // use second half of ISO Latin 1 character set for extended chars |
|
1361 const TUint KExtendedCharStart=0x80; |
|
1362 const TUint KExtendedCharEnd=0xff; |
|
1363 |
|
1364 _LIT8(KLit8ReplacementForUnconvertibleUnicodeCharacters, "_"); |
|
1365 |
|
1366 TCodePageUtils::TCodePageUtils() |
|
1367 // |
|
1368 // Constructor |
|
1369 // |
|
1370 : iCodePageFunctions(), |
|
1371 iLocaleFatUtilityFunctions(NULL), |
|
1372 iCodepageLoaded(ENone) |
|
1373 { |
|
1374 } |
|
1375 |
|
1376 TBool TCodePageUtils::IsCodepageLoaded() const |
|
1377 // |
|
1378 // Returns ETrue if a codepage is loaded |
|
1379 // |
|
1380 { |
|
1381 return(iCodepageLoaded != ENone); |
|
1382 } |
|
1383 |
|
1384 TCodePageUtils::TCodepageLoaded TCodePageUtils::CodepageLoaded() const |
|
1385 // |
|
1386 // Returns the type of active codepage |
|
1387 // |
|
1388 { |
|
1389 return(iCodepageLoaded); |
|
1390 } |
|
1391 |
|
1392 void TCodePageUtils::SetLocaleCodePage(TFatUtilityFunctions* aFunctions) |
|
1393 // |
|
1394 // Sets the current codepage to that provided by the current Locale DLL |
|
1395 // |
|
1396 { |
|
1397 if(iCodepageLoaded == ENone && aFunctions) |
|
1398 { |
|
1399 iLocaleFatUtilityFunctions = aFunctions; |
|
1400 iCodepageLoaded = ELocaleDll; |
|
1401 } |
|
1402 } |
|
1403 |
|
1404 TFatUtilityFunctions* TCodePageUtils::LocaleFatUtilityFunctions() const |
|
1405 // |
|
1406 // Returns function pointer to the read Locale conversions functions |
|
1407 // |
|
1408 { |
|
1409 return(iLocaleFatUtilityFunctions); |
|
1410 } |
|
1411 |
|
1412 TCodePageFunctions TCodePageUtils::CodepageFatUtilityFunctions() const |
|
1413 // |
|
1414 // Returns structure to function pointers to the read Codepage conversions functions |
|
1415 // |
|
1416 { |
|
1417 return(iCodePageFunctions); |
|
1418 } |
|
1419 |
|
1420 TBool TCodePageUtils::ConvertFromUnicode(TDes8& aForeign, const TDesC16& aUnicode, TOverflowAction aOverflowAction) const |
|
1421 /** |
|
1422 Convert from Unicode, truncating if there is not enough room in the output. |
|
1423 |
|
1424 @param aForeign The output is appended here. |
|
1425 @param aUnicode The input. |
|
1426 |
|
1427 @return False if and only if aForeign has not enough space remaining. |
|
1428 */ |
|
1429 { |
|
1430 TBool allConverted = ETrue; |
|
1431 const TInt maximumLength=aForeign.MaxLength(); |
|
1432 TInt lengthToCopy=aUnicode.Length(); |
|
1433 // do not cross the maximum foreign length |
|
1434 if (maximumLength<lengthToCopy) |
|
1435 { |
|
1436 if (aOverflowAction==TCodePageUtils::EOverflowActionLeave) |
|
1437 { |
|
1438 allConverted = EFalse; |
|
1439 return allConverted; |
|
1440 } |
|
1441 lengthToCopy=maximumLength; |
|
1442 } |
|
1443 |
|
1444 aForeign.SetLength(lengthToCopy); |
|
1445 |
|
1446 TInt j=0; // offset for aForeign[] |
|
1447 TInt i=0; // offset for aUnicode[] |
|
1448 for (i=0; i<lengthToCopy; ++i) |
|
1449 { |
|
1450 const TDesC8& replacementChar = KLit8ReplacementForUnconvertibleUnicodeCharacters; |
|
1451 TUint32 unicodeChar = aUnicode[i]; |
|
1452 |
|
1453 // if High Surrogate |
|
1454 if (IsHighSurrogate((TText16)unicodeChar)) |
|
1455 { |
|
1456 // check for low surrogate |
|
1457 if (!IsLowSurrogate(aUnicode[++i])) |
|
1458 { |
|
1459 aForeign[j++] = (TUint8)replacementChar[0]; |
|
1460 continue; |
|
1461 } |
|
1462 unicodeChar = JoinSurrogate((TText16)unicodeChar, (TText16)aUnicode[i]); |
|
1463 } |
|
1464 |
|
1465 // if Low Surrogate |
|
1466 if (IsLowSurrogate((TText16)unicodeChar)) |
|
1467 { |
|
1468 aForeign[j++] = (TUint8)replacementChar[0]; |
|
1469 continue; |
|
1470 } |
|
1471 // if Supplementary - Non BMP |
|
1472 if (IsSupplementary(unicodeChar)) |
|
1473 { |
|
1474 aForeign[j++] = (TUint8)replacementChar[0]; |
|
1475 } |
|
1476 else |
|
1477 { |
|
1478 // ASCII support |
|
1479 if((TUint)unicodeChar>=0x100) |
|
1480 { |
|
1481 aForeign[j++] = (TUint8)replacementChar[0]; |
|
1482 } |
|
1483 else |
|
1484 { |
|
1485 aForeign[j++] = (TUint8)unicodeChar; |
|
1486 } |
|
1487 } |
|
1488 } |
|
1489 |
|
1490 // if any replacementChar used, aForeign offset(j) shall be less than |
|
1491 // lengthToCopy aUnicode offset(i) |
|
1492 if(j<i) |
|
1493 { |
|
1494 aForeign.SetLength(j); |
|
1495 } |
|
1496 |
|
1497 return(allConverted); |
|
1498 } |
|
1499 |
|
1500 EXPORT_C void TCodePageUtils::ConvertFromUnicodeL(TDes8& aForeign, const TDesC16& aUnicode, TOverflowAction aOverflowAction) const |
|
1501 /** |
|
1502 Convert from Unicode, truncating if there is not enough room in the output. |
|
1503 |
|
1504 @param aForeign The output is appended here. |
|
1505 @param aUnicode The input. |
|
1506 |
|
1507 @leave KErrOverflow if aForeign is too short for the output. |
|
1508 */ |
|
1509 { |
|
1510 TInt r = KErrNone; |
|
1511 TBool LeaveWhenError = (TBool)((aOverflowAction==TCodePageUtils::EOverflowActionLeave)?(TBool)ETrue:(TBool)EFalse); |
|
1512 // if CodePage dll |
|
1513 if(GetFatUtilityFunctions() && iCodepageLoaded == ECodePageDll && iCodePageFunctions.iConvertFromUnicodeL) |
|
1514 { |
|
1515 r = (*iCodePageFunctions.iConvertFromUnicodeL)(aForeign, aUnicode, LeaveWhenError); |
|
1516 } |
|
1517 // if Locale dll |
|
1518 else if(GetFatUtilityFunctions() && iCodepageLoaded == ELocaleDll && iLocaleFatUtilityFunctions->iConvertFromUnicodeL) |
|
1519 { |
|
1520 if(aOverflowAction == TCodePageUtils::EOverflowActionLeave) |
|
1521 { |
|
1522 (*iLocaleFatUtilityFunctions->iConvertFromUnicodeL)(aForeign, aUnicode, KLit8ReplacementForUnconvertibleUnicodeCharacters, TFatUtilityFunctions::EOverflowActionLeave); |
|
1523 } |
|
1524 else |
|
1525 { |
|
1526 (*iLocaleFatUtilityFunctions->iConvertFromUnicodeL)(aForeign, aUnicode, KLit8ReplacementForUnconvertibleUnicodeCharacters, TFatUtilityFunctions::EOverflowActionTruncate); |
|
1527 } |
|
1528 } |
|
1529 // default implementation |
|
1530 else if (!ConvertFromUnicode(aForeign, aUnicode, aOverflowAction)) |
|
1531 { |
|
1532 if (aOverflowAction==TCodePageUtils::EOverflowActionLeave) |
|
1533 { |
|
1534 User::Leave(KErrBadName); |
|
1535 } |
|
1536 } |
|
1537 |
|
1538 r = r; // remove warning |
|
1539 // File Server do not use this error code so do not send this error code right to File Server |
|
1540 // rather suppress it. Can be used in future. |
|
1541 return; |
|
1542 } |
|
1543 |
|
1544 TBool TCodePageUtils::ConvertToUnicode(TDes16& aUnicode, const TDesC8& aForeign) const |
|
1545 /* |
|
1546 Convert to Unicode, truncating if there is not enough room in the output. |
|
1547 |
|
1548 @param aUnicode The output is appended here. |
|
1549 @param aForeign The input. |
|
1550 |
|
1551 @return False if and only if aUnicode has not enough space remaining. |
|
1552 */ |
|
1553 { |
|
1554 // A workaround to handle leading 'E5' byte in short file names |
|
1555 TBuf8<KMaxLengthShortNameWithDot> shortFileNameWithLeadingE5; |
|
1556 TBool convertedLeading05toE5 = EFalse; |
|
1557 |
|
1558 if (0 < aForeign.Length() && aForeign.Length() <= 12 && aForeign[0] == KLeadingE5Replacement) |
|
1559 { |
|
1560 shortFileNameWithLeadingE5 = aForeign; |
|
1561 shortFileNameWithLeadingE5[0] = KEntryErasedMarker; |
|
1562 convertedLeading05toE5 = ETrue; |
|
1563 } |
|
1564 |
|
1565 const TInt maximumLength=aUnicode.MaxLength(); |
|
1566 if (maximumLength>=aForeign.Length()) |
|
1567 { |
|
1568 if (convertedLeading05toE5) |
|
1569 { |
|
1570 aUnicode.Copy(shortFileNameWithLeadingE5); |
|
1571 } |
|
1572 else |
|
1573 { |
|
1574 aUnicode.Copy(aForeign); |
|
1575 } |
|
1576 return ETrue; |
|
1577 } |
|
1578 else |
|
1579 { |
|
1580 if (convertedLeading05toE5) |
|
1581 { |
|
1582 aUnicode.Copy(shortFileNameWithLeadingE5.Left(maximumLength)); |
|
1583 } |
|
1584 else |
|
1585 { |
|
1586 aUnicode.Copy(aForeign.Left(maximumLength)); |
|
1587 } |
|
1588 return EFalse; |
|
1589 } |
|
1590 } |
|
1591 |
|
1592 EXPORT_C void TCodePageUtils::ConvertToUnicodeL(TDes16& aUnicode, const TDesC8& aForeign, TOverflowAction aOverflowAction) const |
|
1593 /* |
|
1594 Convert to Unicode, leaving if there is not enough room in the output. |
|
1595 |
|
1596 @param aUnicode The output is appended here. |
|
1597 @param aForeign The input. |
|
1598 |
|
1599 @leave KErrOverflow if aUnicode is too short for the output. |
|
1600 */ |
|
1601 { |
|
1602 TInt r = KErrNone; |
|
1603 TBool LeaveWhenError = (TBool)((aOverflowAction==TCodePageUtils::EOverflowActionLeave)?(TBool)ETrue:(TBool)EFalse); |
|
1604 // if CodePage dll |
|
1605 if(GetFatUtilityFunctions() && iCodepageLoaded == ECodePageDll && iCodePageFunctions.iConvertToUnicodeL) |
|
1606 { |
|
1607 r = (*iCodePageFunctions.iConvertToUnicodeL)(aUnicode, aForeign, LeaveWhenError); |
|
1608 } |
|
1609 // if Locale dll |
|
1610 else if(GetFatUtilityFunctions() && iCodepageLoaded == ELocaleDll && iLocaleFatUtilityFunctions->iConvertToUnicodeL) |
|
1611 { |
|
1612 if(aOverflowAction == TCodePageUtils::EOverflowActionLeave) |
|
1613 { |
|
1614 (*iLocaleFatUtilityFunctions->iConvertToUnicodeL)(aUnicode, aForeign, TFatUtilityFunctions::EOverflowActionLeave); |
|
1615 } |
|
1616 else |
|
1617 { |
|
1618 (*iLocaleFatUtilityFunctions->iConvertToUnicodeL)(aUnicode, aForeign, TFatUtilityFunctions::EOverflowActionTruncate); |
|
1619 } |
|
1620 } |
|
1621 // default implementation |
|
1622 else if (!ConvertToUnicode(aUnicode, aForeign)) |
|
1623 { |
|
1624 if (aOverflowAction==TCodePageUtils::EOverflowActionLeave) |
|
1625 { |
|
1626 User::Leave(KErrBadName); |
|
1627 } |
|
1628 } |
|
1629 |
|
1630 r = r; // remove warning |
|
1631 // File Server do not use this error code so do not send this error code right to File Server |
|
1632 // rather suppress it. Can be used in future. |
|
1633 return; |
|
1634 } |
|
1635 |
|
1636 EXPORT_C TBool TCodePageUtils::IsLegalShortNameCharacter(TUint aCharacter,TBool aUseExtendedChars) const |
|
1637 /** |
|
1638 Returns true if the input character is legal in a short name. |
|
1639 |
|
1640 @param aCharacter Character, in the foreign character encoding. |
|
1641 |
|
1642 @return true if aCharacter is legal in a FAT short name. |
|
1643 */ |
|
1644 { |
|
1645 if(GetFatUtilityFunctions() && iCodepageLoaded == ECodePageDll && iCodePageFunctions.iIsLegalShortNameCharacter) |
|
1646 { |
|
1647 return (*iCodePageFunctions.iIsLegalShortNameCharacter)(aCharacter); |
|
1648 } |
|
1649 |
|
1650 if(GetFatUtilityFunctions() && iCodepageLoaded == ELocaleDll && iLocaleFatUtilityFunctions->iIsLegalShortNameCharacter) |
|
1651 { |
|
1652 return (*iLocaleFatUtilityFunctions->iIsLegalShortNameCharacter)(aCharacter); |
|
1653 } |
|
1654 |
|
1655 // For most common cases: |
|
1656 // Note: lower case characters are considered legal DOS char here. |
|
1657 if ((aCharacter>='a' && aCharacter<='z') || |
|
1658 (aCharacter>='A' && aCharacter<='Z') || |
|
1659 (aCharacter>='0' && aCharacter<='9')) |
|
1660 { |
|
1661 return ETrue; |
|
1662 } |
|
1663 |
|
1664 // Default Implmentation |
|
1665 // Checking for illegal chars: |
|
1666 // 1. aCharacter <= 0x20 |
|
1667 // Note: leading 0x05 byte should be guarded by callers of this function |
|
1668 // as the information of the position of the character is required. |
|
1669 if (aCharacter < 0x20) |
|
1670 return EFalse; |
|
1671 // Space (' ') is not considered as a legal DOS char here. |
|
1672 if (aCharacter == 0x20) |
|
1673 return EFalse; |
|
1674 |
|
1675 // 2. 0x20 < aCharacter < 0x80 |
|
1676 if (0x20 < aCharacter && aCharacter < KExtendedCharStart) |
|
1677 { |
|
1678 // According to FAT Spec, "following characters are not legal in any bytes of DIR_Name": |
|
1679 switch (aCharacter) |
|
1680 { |
|
1681 case 0x22: // '"' |
|
1682 case 0x2A: // '*' |
|
1683 case 0x2B: // '+' |
|
1684 case 0x2C: // ',' |
|
1685 // case 0x2E: // '.' // Although '.' is not allowed in any bytes of DIR_Name, it |
|
1686 // is a valid character in short file names. |
|
1687 case 0x2F: // '/' |
|
1688 case 0x3A: // ':' |
|
1689 case 0x3B: // ';' |
|
1690 case 0x3C: // '<' |
|
1691 case 0x3D: // '=' |
|
1692 case 0x3E: // '>' |
|
1693 case 0x3F: // '?' |
|
1694 case 0x5B: // '[' |
|
1695 case 0x5C: // '\' |
|
1696 case 0x5D: // ']' |
|
1697 case 0x7C: // '|' |
|
1698 return EFalse; |
|
1699 default: |
|
1700 return ETrue; |
|
1701 } |
|
1702 } |
|
1703 |
|
1704 // 3. 0x80 <= aCharacter <= 0xFF |
|
1705 if (KExtendedCharStart <= aCharacter && aCharacter <= KExtendedCharEnd) |
|
1706 { |
|
1707 if(aUseExtendedChars) |
|
1708 return(ETrue); |
|
1709 else |
|
1710 return EFalse; |
|
1711 } |
|
1712 |
|
1713 // 4. aCharacter => 0xFF |
|
1714 return EFalse; |
|
1715 } |