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1 /* |
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2 * Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: ?Description |
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15 * |
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16 */ |
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17 |
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18 |
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19 #include <e32std.h> |
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20 #include <e32svr.h> // RDebug |
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21 #include <e32base.h> |
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22 |
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23 #include <Sysutil.h> |
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24 #include "CTFDosSharedDataTC.h" |
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25 |
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26 //FORWARD DECLARATIONS |
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27 |
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28 |
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29 // CONSTANTS |
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30 _LIT( KSDReserveFileName, "C:\\Private\\101f6efa\\reserve.bin" ); |
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31 _LIT( KFileName, "C:\\logs\\MemoryEaterFile" ); |
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32 |
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33 // ----------------------------------------------------------------------------- |
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34 // CSdDisk::CSdDisk |
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35 // C++ default constructor can NOT contain any code, that |
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36 // might leave. |
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37 // ----------------------------------------------------------------------------- |
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38 CSdDisk::CSdDisk() |
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39 { |
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40 } |
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41 |
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42 // ----------------------------------------------------------------------------- |
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43 // CSdDisk* CSdDisk::NewL |
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44 // |
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45 // |
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46 // ----------------------------------------------------------------------------- |
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47 CSdDisk* CSdDisk::NewL() |
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48 { |
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49 CSdDisk* sdn = new (ELeave) CSdDisk(); |
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50 CleanupStack::PushL( sdn ); |
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51 sdn->ConstructL(); |
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52 CleanupStack::Pop(); |
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53 return sdn; |
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54 } |
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55 |
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56 // ----------------------------------------------------------------------------- |
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57 // CSdDisk::ConstructL() |
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58 // |
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59 // Symbian 2nd phase constructor can leave. |
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60 // ----------------------------------------------------------------------------- |
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61 void CSdDisk::ConstructL() |
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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 // CSdDisk::~CSdDisk |
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67 // Destructor |
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68 // |
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69 // ----------------------------------------------------------------------------- |
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70 CSdDisk::~CSdDisk() |
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71 { |
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72 } |
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73 |
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74 // ----------------------------------------------------------------------------- |
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75 // CSdDisk::ReleaseFiles |
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76 // This method deletes files created for filling the drive C |
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77 // |
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78 // ----------------------------------------------------------------------------- |
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79 void CSdDisk::ReleaseDisk(RFs& aFs) |
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80 { |
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81 // RDebug::Print(_L("Shareddatatest ## ReleaseDisk")); |
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82 TInt i = 0; |
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83 TInt err = KErrNone; |
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84 |
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85 do |
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86 { |
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87 TBuf16<35> str; |
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88 str.Copy(KFileName); |
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89 str.AppendNum(i,EDecimal); |
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90 |
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91 err = aFs.Delete (str) ; |
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92 |
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93 i++; |
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94 } |
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95 while ( err == KErrNone ); |
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96 } |
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97 |
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98 // ----------------------------------------------------------------------------- |
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99 // CSdDisk::CheckDiskSpace() |
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100 // This method checks free disk space |
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101 // |
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102 // Method is the almost the same than FreeSpaceL(RFs* aFs, TInt aDrive) in sysutil.cpp |
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103 // ----------------------------------------------------------------------------- |
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104 TReal64 CSdDisk::CheckDiskSpace(RFs& aFs) |
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105 { |
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106 // RDebug::Print(_L("Shareddatatest ## CheckDiskSpace")); |
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107 TInt err = KErrNone; |
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108 |
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109 TVolumeInfo vinfo; |
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110 |
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111 err = aFs.Volume(vinfo, EDriveC); |
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112 |
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113 if ( err != KErrNone ) |
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114 { |
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115 RDebug::Print(_L("Shareddatatest ## Error = %d"), err); |
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116 User::LeaveIfError(err); |
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117 } |
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118 |
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119 // RDebug::Print(_L("Shareddatatest ## Disk space: %f "), TReal64(vinfo.iFree)); |
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120 |
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121 return TReal64(vinfo.iFree); |
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122 } |
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123 |
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124 // ----------------------------------------------------------------------------- |
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125 // CSdDisk::CheckDiskSpace() |
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126 // This method checks the reserve file size |
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127 // |
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128 // ----------------------------------------------------------------------------- |
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129 TInt CSdDisk::CheckReserveFileSize(RFs& aFs) |
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130 { |
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131 RFile iReserveFile; |
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132 |
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133 TInt err = iReserveFile.Open( aFs, KSDReserveFileName, EFileShareAny | EFileWrite ); |
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134 |
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135 if (err == KErrNone) |
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136 { |
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137 TInt iReserveFileSize(0); |
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138 iReserveFile.Size(iReserveFileSize); |
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139 iReserveFile.Close(); |
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140 |
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141 RDebug::Print( _L("Shareddatatest ## Reservefilesize: %d"), iReserveFileSize ); |
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142 |
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143 return iReserveFileSize; |
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144 } |
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145 else |
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146 { |
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147 return KErrGeneral; |
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148 } |
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149 } |
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150 |
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151 // ----------------------------------------------------------------------------- |
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152 // CSdDisk::FillDisk() |
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153 // Fills the diskspace |
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154 // |
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155 // ----------------------------------------------------------------------------- |
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156 void CSdDisk::FillDisk(RFs& aFs, TInt& aFreeDiskSpaceToLeave) |
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157 { |
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158 RFile iEaterFile; |
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159 TInt fileSize(0); |
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160 TInt err(KErrNone); |
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161 |
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162 TReal64 diskFree = CheckDiskSpace(aFs); |
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163 // RDebug::Print(_L("Shareddatatest ## Eat disk space") ); |
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164 |
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165 // For loop to create eaterfiles |
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166 for ( TInt i = 0 ; diskFree != 0 ; i++ ) |
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167 { |
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168 TBuf16<30> str; |
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169 str.Copy(KFileName); |
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170 str.AppendNum(i,EDecimal); |
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171 |
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172 // RDebug::Print(_L("Shareddatatest ## Open file %s"), &str); |
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173 |
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174 err = iEaterFile.Open( aFs, str, EFileShareAny | EFileWrite ); |
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175 |
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176 if ( err == KErrNotFound ) // file does not exist - create it |
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177 { |
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178 err = iEaterFile.Create( aFs, str, EFileShareAny | EFileWrite ); |
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179 } |
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180 |
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181 if ( err == KErrNone ) |
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182 { |
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183 // Create maximum size eaterfile if there is more disk space available than the maximum file size |
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184 if ( diskFree > TReal64(KMaxTInt) ) |
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185 { |
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186 // RDebug::Print( _L("Shareddatatest ## Creating %d. EaterFile"), i+1); |
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187 err = iEaterFile.SetSize( KMaxTInt ); |
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188 |
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189 diskFree = diskFree - TReal64(KMaxTInt); |
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190 } |
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191 |
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192 // ... And if available disk space is less than maximum file size |
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193 else |
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194 { |
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195 // If aFreeDiskSpaceToLeave parameter says we have to leave some free disk |
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196 if ( aFreeDiskSpaceToLeave != 0 ) |
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197 { |
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198 // RDebug::Print( _L("Shareddatatest ## Creating %d. EaterFile"), i+1); |
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199 TInt sizeToSet = STATIC_CAST(TInt, I64INT(diskFree)); |
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200 err = iEaterFile.SetSize( sizeToSet - aFreeDiskSpaceToLeave * 1024 ); |
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201 iEaterFile.Size( fileSize ); |
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202 // RDebug::Print( _L("Shareddatatest ## Last EaterFileSize: %d"), fileSize); |
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203 diskFree = 0; |
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204 } |
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205 |
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206 // Otherwise try to eat all the disk space |
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207 else |
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208 { |
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209 // RDebug::Print( _L("Shareddatatest ## Creating %d. EaterFile"), i+1); |
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210 TInt sizeToSet = STATIC_CAST(TInt, I64INT(diskFree)); |
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211 // RDebug::Print( _L("Shareddatatest ## Filesize in the end should be around %d bytes"), sizeToSet); |
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212 |
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213 for ( TInt j = 64 ; err != KErrDiskFull ; j-- ) |
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214 { |
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215 err = iEaterFile.SetSize( sizeToSet - j * 1024 ); |
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216 } |
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217 iEaterFile.Size( fileSize ); |
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218 // RDebug::Print( _L("Shareddatatest ## Last EaterFileSize: %d bytes"), fileSize); |
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219 // RDebug::Print( _L("Shareddatatest ## There should be %d bytes of free disk"),sizeToSet - fileSize); |
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220 diskFree = 0; |
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221 } |
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222 } |
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223 } |
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224 |
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225 else |
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226 { |
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227 RDebug::Print(_L("Shareddatatest ## Error = %d"), err); |
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228 diskFree = 0; |
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229 } |
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230 |
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231 // RDebug::Print(_L("Shareddatatest ## Close file")); |
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232 iEaterFile.Close(); |
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233 } |
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234 } |