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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\logext.cpp |
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15 // extension that records/prints out accesses to each function and length of reads and writes |
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16 // |
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17 // |
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18 |
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19 #include <f32fsys.h> |
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20 |
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21 struct TAccessLength |
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22 { |
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23 TInt iless512; |
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24 TInt i512; |
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25 TInt imore512; |
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26 }; |
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27 |
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28 class CLoggerExtProxyDrive : public CBaseExtProxyDrive |
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29 { |
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30 public: |
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31 static CLoggerExtProxyDrive* NewL(CProxyDrive* aProxyDrive, CMountCB* aMount); |
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32 ~CLoggerExtProxyDrive(); |
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33 public: |
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34 virtual TInt Initialise(); |
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35 virtual TInt Dismounted(); |
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36 virtual TInt Enlarge(TInt aLength); |
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37 virtual TInt ReduceSize(TInt aPos, TInt aLength); |
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38 virtual TInt Read(TInt64 aPos,TInt aLength,const TAny* aTrg,TInt aThreadHandle,TInt anOffset); |
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39 virtual TInt Read(TInt64 aPos,TInt aLength,TDes8& aTrg); |
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40 virtual TInt Write(TInt64 aPos,TInt aLength,const TAny* aSrc,TInt aThreadHandle,TInt anOffset); |
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41 virtual TInt Write(TInt64 aPos,const TDesC8& aSrc); |
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42 virtual TInt Caps(TDes8& anInfo); |
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43 virtual TInt Format(TFormatInfo& anInfo); |
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44 virtual TInt GetInterface(TInt aInterfaceId,TAny*& aInterface,TAny* aInput); |
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45 private: |
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46 CLoggerExtProxyDrive(CProxyDrive* aProxyDrive, CMountCB* aMount); |
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47 private: |
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48 TInt iInitialise; |
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49 TInt iDismounted; |
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50 TInt iEnlarge; |
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51 TInt iReduceSize; |
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52 TInt iReadThread; |
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53 TAccessLength iReadThreadLength; |
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54 TInt iRead; |
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55 TAccessLength iReadLength; |
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56 TInt iWriteThread; |
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57 TAccessLength iWriteThreadLength; |
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58 TInt iWrite; |
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59 TAccessLength iWriteLength; |
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60 TInt iCaps; |
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61 TInt iFormat; |
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62 }; |
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63 |
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64 class CLoggerProxyDriveFactory : public CProxyDriveFactory |
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65 { |
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66 public: |
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67 CLoggerProxyDriveFactory(); |
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68 virtual TInt Install(); |
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69 virtual CProxyDrive* NewProxyDriveL(CProxyDrive* aProxy,CMountCB* aMount); |
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70 }; |
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71 |
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72 |
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73 |
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74 LOCAL_C void LogLength(TAccessLength& aAccess,TInt aLength) |
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75 // |
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76 // |
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77 // |
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78 { |
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79 if(aLength<512) |
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80 { |
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81 aAccess.iless512++; |
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82 } |
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83 else if(aLength==512) |
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84 { |
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85 aAccess.i512++; |
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86 } |
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87 else |
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88 aAccess.imore512++; |
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89 } |
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90 |
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91 LOCAL_C void PrintLength(TAccessLength& aAccess) |
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92 // |
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93 // |
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94 // |
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95 { |
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96 RDebug::Print(_L("\t<512 = %d"),aAccess.iless512); |
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97 RDebug::Print(_L("\t 512 = %d"),aAccess.i512); |
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98 RDebug::Print(_L("\t>512 = %d"),aAccess.imore512); |
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99 } |
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100 |
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101 |
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102 CLoggerExtProxyDrive* CLoggerExtProxyDrive::NewL(CProxyDrive* aProxyDrive, CMountCB* aMount) |
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103 // |
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104 // |
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105 // |
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106 { |
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107 CLoggerExtProxyDrive* temp=new(ELeave) CLoggerExtProxyDrive(aProxyDrive,aMount); |
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108 return(temp); |
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109 } |
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110 |
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111 |
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112 CLoggerExtProxyDrive::CLoggerExtProxyDrive(CProxyDrive* aProxyDrive, CMountCB* aMount):CBaseExtProxyDrive(aProxyDrive,aMount) |
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113 { |
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114 RDebug::Print(_L("CLoggerExtProxyDrive::CLoggerExtProxyDrive")); |
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115 } |
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116 |
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117 CLoggerExtProxyDrive::~CLoggerExtProxyDrive() |
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118 // |
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119 // |
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120 // |
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121 { |
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122 // print out the figures obtained |
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123 RDebug::Print(_L("Initialise = %d"),iInitialise); |
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124 RDebug::Print(_L("Dismounted = %d"),iDismounted); |
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125 RDebug::Print(_L("Enlarge = %d"),iEnlarge); |
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126 RDebug::Print(_L("ReduceSize = %d"),iReduceSize); |
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127 RDebug::Print(_L("Read Thread = %d"),iReadThread); |
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128 if(iReadThread) |
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129 PrintLength(iReadThreadLength); |
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130 RDebug::Print(_L("Read = %d"),iRead); |
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131 if(iRead) |
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132 PrintLength(iReadLength); |
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133 RDebug::Print(_L("Write Thread = %d"),iWriteThread); |
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134 if(iWriteThread) |
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135 PrintLength(iWriteThreadLength); |
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136 RDebug::Print(_L("Write = %d"),iWrite); |
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137 if(iWrite) |
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138 PrintLength(iWriteLength); |
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139 RDebug::Print(_L("Caps = %d"),iCaps); |
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140 RDebug::Print(_L("Format = %d"),iFormat); |
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141 } |
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142 |
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143 TInt CLoggerExtProxyDrive::Initialise() |
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144 // |
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145 // |
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146 // |
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147 { |
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148 RDebug::Print(_L("CLoggerExtProxyDrive::Initialise()")); |
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149 ++iInitialise; |
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150 return(CBaseExtProxyDrive::Initialise()); |
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151 } |
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152 |
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153 TInt CLoggerExtProxyDrive::Dismounted() |
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154 // |
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155 // |
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156 // |
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157 { |
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158 RDebug::Print(_L("CLoggerExtProxyDrive::Dismounted()")); |
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159 ++iDismounted; |
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160 return(CBaseExtProxyDrive::Dismounted()); |
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161 } |
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162 |
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163 TInt CLoggerExtProxyDrive::Enlarge(TInt aLength) |
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164 // |
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165 // |
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166 // |
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167 { |
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168 ++iEnlarge; |
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169 return(CBaseExtProxyDrive::Enlarge(aLength)); |
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170 } |
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171 |
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172 |
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173 TInt CLoggerExtProxyDrive::ReduceSize(TInt aPos, TInt aLength) |
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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 ++iReduceSize; |
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179 return(CBaseExtProxyDrive::ReduceSize(aPos,aLength)); |
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180 } |
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181 |
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182 TInt CLoggerExtProxyDrive::Read(TInt64 aPos,TInt aLength,const TAny* aTrg,TInt aThreadHandle,TInt anOffset) |
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183 // |
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184 // |
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185 // |
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186 { |
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187 ++iReadThread; |
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188 LogLength(iReadThreadLength,aLength); |
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189 return(CBaseExtProxyDrive::Read(aPos,aLength,aTrg,aThreadHandle,anOffset)); |
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190 } |
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191 |
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192 TInt CLoggerExtProxyDrive::Read(TInt64 aPos,TInt aLength,TDes8& aTrg) |
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193 // |
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194 // |
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195 // |
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196 { |
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197 ++iRead; |
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198 LogLength(iReadLength,aLength); |
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199 return(CBaseExtProxyDrive::Read(aPos,aLength,aTrg)); |
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200 } |
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201 |
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202 TInt CLoggerExtProxyDrive::Write(TInt64 aPos,TInt aLength,const TAny* aSrc,TInt aThreadHandle,TInt anOffset) |
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203 // |
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204 // |
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205 // |
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206 { |
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207 ++iWriteThread; |
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208 LogLength(iWriteThreadLength,aLength); |
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209 return(CBaseExtProxyDrive::Write(aPos,aLength,aSrc,aThreadHandle,anOffset)); |
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210 } |
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211 |
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212 TInt CLoggerExtProxyDrive::Write(TInt64 aPos,const TDesC8& aSrc) |
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213 // |
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214 // |
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215 // |
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216 { |
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217 ++iWrite; |
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218 LogLength(iWriteLength,aSrc.Length()); |
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219 return(CBaseExtProxyDrive::Write(aPos,aSrc)); |
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220 } |
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221 |
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222 TInt CLoggerExtProxyDrive::Caps(TDes8& anInfo) |
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223 // |
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224 // |
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225 // |
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226 { |
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227 ++iCaps; |
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228 return(CBaseExtProxyDrive::Caps(anInfo)); |
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229 } |
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230 |
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231 TInt CLoggerExtProxyDrive::Format(TFormatInfo& anInfo) |
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232 // |
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233 // |
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234 // |
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235 { |
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236 ++iFormat; |
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237 return(CBaseExtProxyDrive::Format(anInfo)); |
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238 } |
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239 |
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240 |
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241 TInt CLoggerExtProxyDrive::GetInterface(TInt aInterfaceId,TAny*& aInterface,TAny* aInput) |
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242 { |
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243 switch(aInterfaceId) |
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244 { |
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245 // file caching supported, so pass query on to next extension |
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246 case ELocalBufferSupport: |
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247 return CBaseExtProxyDrive::LocalBufferSupport(); |
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248 |
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249 default: |
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250 return CBaseExtProxyDrive::GetInterface(aInterfaceId, aInterface, aInput); |
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251 } |
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252 } |
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253 |
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254 CLoggerProxyDriveFactory::CLoggerProxyDriveFactory() |
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255 // |
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256 // |
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257 // |
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258 { |
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259 RDebug::Print(_L("CLoggerProxyDriveFactory::CLoggerProxyDriveFactory")); |
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260 } |
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261 |
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262 TInt CLoggerProxyDriveFactory::Install() |
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263 // |
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264 // |
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265 // |
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266 { |
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267 _LIT(KLoggerName,"Logger"); |
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268 return(SetName(&KLoggerName)); |
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269 } |
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270 |
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271 |
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272 CProxyDrive* CLoggerProxyDriveFactory::NewProxyDriveL(CProxyDrive* aProxy,CMountCB* aMount) |
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273 // |
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274 // |
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275 // |
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276 { |
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277 return(CLoggerExtProxyDrive::NewL(aProxy,aMount)); |
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278 } |
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279 |
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280 extern "C" { |
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281 |
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282 EXPORT_C CProxyDriveFactory* CreateFileSystem() |
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283 // |
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284 // Create a new file system |
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285 // |
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286 { |
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287 return(new CLoggerProxyDriveFactory()); |
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288 } |
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289 } |
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290 |