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1 // Copyright (c) 2002-2009 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 // f32test\ext\bitproxydrive.cpp |
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15 // extension to do XOR on every byte on 32 byte boundary read or written to media subsystem in same thread |
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16 // therefore RFile::Read/Write does not have this operation carried out on it |
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17 // |
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18 // |
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19 |
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20 #include <f32fsys.h> |
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21 |
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22 class CBitExtProxyDrive : public CExtProxyDrive |
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23 { |
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24 public: |
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25 CBitExtProxyDrive(CMountCB* aMount, CExtProxyDriveFactory* aDevice); |
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26 ~CBitExtProxyDrive(); |
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27 |
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28 public: |
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29 virtual TInt Initialise(); |
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30 virtual TInt Dismounted(); |
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31 virtual TInt Enlarge(TInt aLength); |
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32 virtual TInt ReduceSize(TInt aPos, TInt aLength); |
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33 virtual TInt Read(TInt64 aPos, TInt aLength, const TAny* aTrg, TInt aThreadHandle, TInt aOffset, TInt aFlags); |
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34 virtual TInt Read(TInt64 aPos, TInt aLength, const TAny* aTrg, TInt aThreadHandle, TInt anOffset); |
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35 virtual TInt Read(TInt64 aPos, TInt aLength, TDes8& aTrg); |
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36 virtual TInt Write(TInt64 aPos, TInt aLength,const TAny* aSrc, TInt aThreadHandle, TInt aOffset, TInt aFlags); |
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37 virtual TInt Write(TInt64 aPos, TInt aLength, const TAny* aSrc, TInt aThreadHandle, TInt anOffset); |
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38 virtual TInt Write(TInt64 aPos,const TDesC8& aSrc); |
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39 virtual TInt Caps(TDes8& anInfo); |
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40 virtual TInt Format(TFormatInfo& aInfo); |
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41 virtual TInt Format(TInt64 aPos,TInt aLength); |
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42 virtual TInt SetInfo(const RMessage2 &msg, TAny* aMessageParam2, TAny* aMessageParam3); |
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43 virtual TInt NotifyChange(TDes8 &aChanged,TRequestStatus* aStatus); |
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44 virtual void NotifyChangeCancel(); |
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45 |
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46 TInt SetMountInfo(const TDesC8* aMountInfo,TInt aMountInfoThreadHandle=KCurrentThreadHandle); |
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47 TInt ForceRemount(TUint aFlags = 0); |
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48 TInt Unlock(TMediaPassword& aPassword, TBool aStorePassword); |
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49 TInt Lock(TMediaPassword& aOldPassword, TMediaPassword& aNewPassword, TBool aStorePassword); |
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50 TInt Clear(TMediaPassword& aPassword); |
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51 TInt ErasePassword(); |
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52 |
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53 TInt GetInterface(TInt aInterfaceId,TAny*& aInterface,TAny* aInput); |
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54 |
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55 private: |
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56 |
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57 TBusLocalDrive iDrive; |
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58 TInt iLocalDriveNumber; |
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59 TBool iChanged; |
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60 |
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61 TRequestStatus* iNotifyChangeStatus; |
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62 }; |
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63 |
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64 |
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65 |
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66 class CBitProxyDriveFactory : public CExtProxyDriveFactory |
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67 { |
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68 public: |
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69 CBitProxyDriveFactory(); |
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70 ~CBitProxyDriveFactory(); |
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71 virtual TInt Install(); |
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72 virtual TInt CreateProxyDrive(CProxyDrive*& aMountProxyDrive,CMountCB* aMount); |
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73 }; |
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74 |
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75 |
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76 |
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77 |
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78 CBitExtProxyDrive::CBitExtProxyDrive(CMountCB* aMount, CExtProxyDriveFactory* aDevice) |
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79 : CExtProxyDrive(aMount,aDevice) |
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80 { |
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81 } |
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82 |
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83 CBitExtProxyDrive::~CBitExtProxyDrive() |
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84 { |
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85 iDrive.Disconnect(); |
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86 } |
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87 |
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88 /** |
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89 Initialise the proxy drive. |
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90 @return system wide error code. |
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91 */ |
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92 TInt CBitExtProxyDrive::Initialise() |
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93 { |
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94 TInt r = KErrNone; |
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95 return r; |
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96 } |
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97 |
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98 TInt CBitExtProxyDrive::SetInfo(const RMessage2 &msg, TAny* /*aMessageParam2*/, TAny* /*aMessageParam3*/) |
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99 { |
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100 TInt r = KErrNone; |
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101 |
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102 TPckg<TInt> infoPckg(iLocalDriveNumber); |
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103 TRAP(r, msg.ReadL(2, infoPckg)); |
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104 |
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105 if(r != KErrNone) |
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106 { |
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107 RDebug::Print(_L("CBitExtProxyDrive::SetInfo(): cant read from the RMessage %d"), r); |
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108 return r; |
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109 } |
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110 |
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111 r = iDrive.Connect(iLocalDriveNumber, iChanged); |
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112 |
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113 if(r != KErrNone) |
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114 { |
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115 RDebug::Print(_L("CBitExtProxyDrive::SetInfo(): failed to connect to drive %d, r %d"), iDriveNumber, r); |
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116 return r; |
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117 } |
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118 |
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119 return r; |
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120 } |
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121 |
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122 TInt CBitExtProxyDrive::Dismounted() |
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123 { |
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124 TInt r = KErrNone; |
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125 return r; |
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126 } |
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127 |
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128 TInt CBitExtProxyDrive::Enlarge(TInt /*aLength*/) |
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129 { |
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130 return KErrNotSupported; |
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131 } |
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132 |
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133 |
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134 TInt CBitExtProxyDrive::ReduceSize(TInt /*aPos*/, TInt /*aLength*/) |
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135 { |
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136 return KErrNotSupported; |
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137 } |
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138 |
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139 |
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140 TInt CBitExtProxyDrive::Read(TInt64 aPos, TInt aLength, const TAny* aTrg, TInt aThreadHandle, TInt aOffset) |
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141 { |
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142 TInt r = iDrive.Read(aPos, aLength, aTrg, aThreadHandle, aOffset); |
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143 return r; |
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144 } |
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145 |
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146 |
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147 TInt CBitExtProxyDrive::Read(TInt64 aPos, TInt aLength, const TAny* aTrg, TInt aThreadHandle, TInt aOffset, TInt aFlags) |
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148 { |
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149 TInt r = iDrive.Read(aPos, aLength, aTrg, aThreadHandle, aOffset, aFlags); |
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150 return r; |
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151 } |
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152 |
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153 TInt CBitExtProxyDrive::Read(TInt64 aPos, TInt aLength, TDes8& aTrg) |
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154 { |
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155 TInt r = iDrive.Read(aPos, aLength, aTrg); |
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156 return r; |
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157 } |
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158 |
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159 TInt CBitExtProxyDrive::Write(TInt64 aPos, TInt aLength, const TAny* aSrc, TInt aThreadHandle, TInt aOffset) |
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160 { |
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161 TInt r = iDrive.Write(aPos, aLength, aSrc, aThreadHandle, aOffset); |
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162 return r; |
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163 } |
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164 |
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165 |
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166 TInt CBitExtProxyDrive::Write(TInt64 aPos, TInt aLength, const TAny* aSrc, TInt aThreadHandle, TInt aOffset, TInt aFlags) |
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167 { |
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168 TInt r = iDrive.Write(aPos, aLength, aSrc, aThreadHandle, aOffset, aFlags); |
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169 return r; |
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170 } |
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171 |
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172 TInt CBitExtProxyDrive::Write(TInt64 aPos,const TDesC8& aSrc) |
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173 { |
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174 TInt r = iDrive.Write(aPos, aSrc); |
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175 return r; |
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176 } |
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177 |
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178 |
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179 TInt CBitExtProxyDrive::Caps(TDes8& anInfo) |
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180 { |
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181 TLocalDriveCapsV6Buf caps; |
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182 caps.FillZ(); |
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183 |
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184 // TLocalDriveCapsV6& c = caps(); |
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185 |
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186 TInt r = iDrive.Caps(caps); |
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187 caps.SetLength( Min(caps.Length(), anInfo.MaxLength()) ); |
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188 |
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189 anInfo.Copy(caps); |
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190 |
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191 return r; |
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192 } |
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193 |
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194 |
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195 |
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196 TInt CBitExtProxyDrive::Format(TInt64 aPos, TInt aLength) |
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197 { |
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198 TInt r = iDrive.Format(aPos, aLength); |
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199 return r; |
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200 } |
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201 |
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202 |
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203 TInt CBitExtProxyDrive::Format(TFormatInfo& aInfo) |
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204 { |
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205 TInt r = iDrive.Format(aInfo); |
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206 return r; |
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207 } |
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208 |
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209 |
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210 TInt CBitExtProxyDrive::NotifyChange(TDes8& /*aChanged*/, TRequestStatus* aStatus) |
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211 { |
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212 // iDrive.NotifyChange(aStatus); |
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213 iNotifyChangeStatus = aStatus; |
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214 return KErrNone; |
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215 } |
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216 |
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217 void CBitExtProxyDrive::NotifyChangeCancel() |
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218 { |
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219 // iDrive.NotifyChangeCancel(); |
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220 if (iNotifyChangeStatus) |
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221 User::RequestComplete(iNotifyChangeStatus, KErrCancel); |
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222 } |
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223 |
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224 TInt CBitExtProxyDrive::SetMountInfo(const TDesC8* aMountInfo,TInt aMountInfoThreadHandle) |
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225 { |
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226 TInt r = iDrive.SetMountInfo(aMountInfo, aMountInfoThreadHandle); |
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227 return r; |
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228 } |
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229 |
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230 TInt CBitExtProxyDrive::ForceRemount(TUint aFlags) |
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231 { |
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232 TInt r = iDrive.ForceRemount(aFlags); |
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233 return r; |
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234 } |
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235 |
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236 TInt CBitExtProxyDrive::Unlock(TMediaPassword& aPassword, TBool aStorePassword) |
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237 { |
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238 TInt r = iDrive.Unlock(aPassword, aStorePassword); |
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239 return r; |
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240 } |
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241 |
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242 TInt CBitExtProxyDrive::Lock(TMediaPassword& aOldPassword, TMediaPassword& aNewPassword, TBool aStorePassword) |
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243 { |
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244 TInt r = iDrive.SetPassword(aOldPassword, aNewPassword, aStorePassword); |
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245 return r; |
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246 } |
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247 |
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248 TInt CBitExtProxyDrive::Clear(TMediaPassword& aPassword) |
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249 { |
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250 TInt r = iDrive.Clear(aPassword); |
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251 return r; |
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252 } |
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253 |
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254 TInt CBitExtProxyDrive::ErasePassword() |
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255 { |
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256 TInt r = iDrive.ErasePassword(); |
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257 return r; |
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258 } |
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259 |
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260 TInt CBitExtProxyDrive::GetInterface(TInt aInterfaceId, TAny*& /*aInterface*/, TAny* /*aInput*/) |
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261 { |
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262 switch(aInterfaceId) |
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263 { |
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264 case ELocalBufferSupport: |
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265 return KErrNone; |
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266 default: |
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267 return KErrNotSupported; |
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268 } |
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269 } |
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270 |
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271 |
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272 |
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273 CBitProxyDriveFactory::CBitProxyDriveFactory() |
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274 { |
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275 } |
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276 |
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277 CBitProxyDriveFactory::~CBitProxyDriveFactory() |
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278 { |
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279 } |
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280 |
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281 TInt CBitProxyDriveFactory::Install() |
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282 { |
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283 _LIT(KProxyName,"bitproxydrive"); |
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284 return SetName(&KProxyName); |
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285 } |
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286 |
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287 TInt CBitProxyDriveFactory::CreateProxyDrive(CProxyDrive*& aMountProxyDrive,CMountCB* aMount) |
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288 { |
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289 aMountProxyDrive = new CBitExtProxyDrive(aMount,this); |
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290 return (aMountProxyDrive==NULL) ? KErrNoMemory : KErrNone; |
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291 } |
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292 |
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293 |
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294 extern "C" { |
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295 |
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296 |
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297 /* |
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298 Create the proxy drive factory object for the usbhost mass storage proxy |
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299 */ |
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300 EXPORT_C CExtProxyDriveFactory* CreateFileSystem() |
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301 { |
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302 return new CBitProxyDriveFactory(); |
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303 } |
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304 } |
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305 |