1 /* |
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2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of the License "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: |
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15 * |
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16 */ |
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17 |
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18 #include <f32file.h> |
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19 #include <f32fsys.h> |
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20 #include <f32ver.h> |
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21 #include <e32uid.h> |
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22 |
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23 #include "svphostfsy.h" |
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24 |
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25 |
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26 |
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27 ////////////////////////////////////////////////////////////////////////// |
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28 // CSVPHostFileCB // |
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29 ////////////////////////////////////////////////////////////////////////// |
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30 |
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31 CSVPHostFileCB::CSVPHostFileCB() |
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32 // |
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33 // Constructor |
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34 // |
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35 { |
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36 DP(_L("** (SVPHOSTFIL) CSVPHostFileCB::CSVPHostFileCB()")); |
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37 |
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38 __DECLARE_NAME(_S("CSVPHostFileCB")); |
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39 } |
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40 |
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41 CSVPHostFileCB::~CSVPHostFileCB() |
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42 // |
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43 // Destructor |
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44 // |
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45 { |
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46 DP(_L("** (SVPHOSTFIL) CSVPHostFileCB::~CSVPHostFileCB()")); |
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47 if ((TInt)iHandle == KErrBadHandle) return; |
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48 |
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49 SVP_HOST_FS_DEVICE().FileClose(Drive().DriveNumber(), iHandle); |
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50 } |
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51 |
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52 TBool CSVPHostFileCB::IsRomDrive() const |
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53 // |
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54 // Returns ETrue if the drive number == EDriveZ |
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55 // |
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56 { |
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57 DP(_L("** (SVPHOSTFIL) CSVPHostFileCB::IsRomDrive()")); |
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58 return(EFalse); |
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59 } |
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60 |
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61 |
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62 void CSVPHostFileCB::CheckPos(TInt /*aPos*/) |
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63 { |
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64 DP(_L("** (SVPHOSTFIL) CSVPHostFileCB::CheckPos()")); |
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65 } |
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66 |
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67 void CSVPHostFileCB::ReadL(TInt aPos,TInt& aLength ,const TAny* aDes , const RMessagePtr2& aMessage) |
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68 { |
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69 DP(_L("** (SVPHOSTFIL) CSVPHostFileCB::ReadL(%d,%d)"), aPos, aLength); |
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70 |
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71 TInt n = 0; |
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72 TInt pos=aPos; |
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73 TInt len=aLength; |
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74 TBuf8<0x400> buf; |
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75 |
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76 if (aMessage.Handle() == KLocalMessageHandle) |
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77 ((TPtr8* )aDes)->SetLength(0); |
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78 |
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79 TUint driveNumber = Drive().DriveNumber() ; |
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80 while (len) |
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81 { |
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82 TInt s=Min(len,buf.MaxLength()); |
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83 TSVPHostFsFileReadInfo info(driveNumber, iHandle,s,pos+n,(char*)buf.Ptr()); |
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84 |
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85 DP(_L("** (SVPHOSTFIL) CSVPHostFileCB::ReadL pos %d s %d p 0x%08x"), pos+n, s, buf.Ptr()); |
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86 |
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87 User::LeaveIfError(SVP_HOST_FS_DEVICE().FileRead(info)); |
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88 |
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89 DP(_L("** (SVPHOSTFIL) CSVPHostFileCB::ReadL read %d bytes"), info.iLength); |
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90 |
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91 buf.SetLength(info.iLength); |
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92 |
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93 DP(_L("** (SVPHOSTFIL) CSVPHostFileCB::ReadL set buf length")); |
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94 |
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95 if (aMessage.Handle() == KLocalMessageHandle) |
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96 ((TPtr8* )aDes)->Append(buf); |
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97 else |
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98 aMessage.WriteL(0,buf,n); |
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99 |
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100 n+=info.iLength; |
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101 |
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102 if (((TInt)info.iLength)<s) |
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103 break; |
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104 len-=info.iLength; |
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105 } |
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106 aLength=n; |
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107 iCurrentPos=n+aPos; |
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108 DP(_L("** (SVPHOSTFIL) CSVPHostFileCB::ReadL aLength %d iCurrentPos %d"), aLength, iCurrentPos); |
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109 } |
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110 |
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111 |
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112 |
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113 void CSVPHostFileCB::WriteL(TInt aPos, TInt& aLength, const TAny* aDes, const RMessagePtr2& aMessage) |
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114 { |
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115 DP(_L("** (SVPHOSTFIL) CSVPHostFileCB::WriteL(%d,%d)"), aPos, aLength); |
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116 |
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117 TInt n=0; |
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118 TInt pos=aPos; |
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119 TInt len=aLength; |
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120 TBuf8<0x400> buf; |
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121 TUint driveNumber = Drive().DriveNumber() ; |
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122 while (len) |
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123 { |
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124 TInt s=Min(len,buf.MaxLength()); |
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125 |
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126 if (aMessage.Handle() == KLocalMessageHandle) |
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127 buf.Copy( ((TPtr8* )aDes)->MidTPtr(n, s) ); |
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128 else |
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129 aMessage.ReadL(0,buf,n); |
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130 |
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131 TSVPHostFsFileWriteInfo info(driveNumber, iHandle,s,pos+n,(char*)buf.Ptr()); |
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132 |
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133 DP(_L("** (SVPHOSTFIL) CSVPHostFileCB::WriteL pos %d s %d p 0x%08x"), pos+n, s, buf.Ptr()); |
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134 |
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135 User::LeaveIfError(SVP_HOST_FS_DEVICE().FileWrite(info)); |
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136 |
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137 DP(_L("** (SVPHOSTFIL) CSVPHostFileCB::WriteL wrote %d bytes"), info.iLength); |
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138 |
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139 if (((TInt)info.iLength)<s) |
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140 { |
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141 DP(_L("** (SVPHOSTFIL) !!! CSVPHostFileCB::WriteL failed to write s %d bytes"), s); |
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142 User::Leave(KErrCorrupt); |
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143 } |
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144 |
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145 len-=info.iLength; |
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146 n+=info.iLength; |
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147 } |
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148 aLength=n; |
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149 iCurrentPos=n+aPos; |
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150 } |
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151 |
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152 TInt CSVPHostFileCB::Address(TInt& /*aPos*/) const |
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153 // |
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154 // If ROM file, do a memory map and return the address |
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155 // Dummy implementation |
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156 // |
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157 { |
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158 DP(_L("** (SVPHOSTFIL) CSVPHostFileCB::Address()")); |
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159 return(KErrNone); |
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160 } |
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161 |
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162 void CSVPHostFileCB::SetSizeL(TInt aSize) |
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163 // |
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164 // Set the file size |
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165 // |
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166 { |
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167 DP(_L("** (SVPHOSTFIL) CSVPHostFileCB::SetSizeL()")); |
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168 |
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169 TSVPHostFsFileSetSizeInfo info(Drive().DriveNumber(), iHandle,aSize); |
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170 |
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171 User::LeaveIfError(SVP_HOST_FS_DEVICE().FileSetSize(info)); |
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172 |
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173 } |
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174 |
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175 |
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176 void CSVPHostFileCB::SetEntryL(const TTime& aTime,TUint aSetAttMask,TUint aClearAttMask) |
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177 // TODO: Not tested |
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178 { |
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179 DP(_L("** (SVPHOSTFIL) CSVPHostFileCB::SetEntryL()")); |
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180 //User::Leave(KErrNotSupported); |
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181 } |
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182 |
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183 void CSVPHostFileCB::FlushAllL() |
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184 // |
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185 // Commit any buffered date to the media. |
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186 // |
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187 { |
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188 DP(_L("** (SVPHOSTFIL) CSVPHostFileCB::FlushAll()")); |
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189 |
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190 User::LeaveIfError(SVP_HOST_FS_DEVICE().FlushAll(Drive().DriveNumber())); |
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191 } |
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192 |
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193 |
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194 void CSVPHostFileCB::FlushDataL() |
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195 // |
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196 // Commit any buffered date to the media |
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197 // Dummy implementation of a pure virtual function |
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198 // |
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199 { |
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200 DP(_L("** (SVPHOSTFIL) CSVPHostFileCB::FlushDataL()")); |
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201 |
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202 User::LeaveIfError(SVP_HOST_FS_DEVICE().FlushData(Drive().DriveNumber())); |
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203 } |
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204 |
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205 void CSVPHostFileCB::RenameL(const TDesC& /*aNewName*/) |
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206 // |
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207 // Rename the file while open |
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208 // Dummy implementation of a pure virtual function |
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209 // |
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210 { |
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211 DP(_L("** (SVPHOSTFIL) CSVPHostFileCB::RenameL()")); |
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212 |
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213 } |
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