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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 "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 "TrkTcbSrvSessionEngine.h" |
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19 |
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20 // System includes |
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21 #include <e32debug.h> |
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22 |
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23 // User includes |
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24 |
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25 // Type definitions |
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26 |
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27 // Constants |
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28 |
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29 // Enumerations |
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30 |
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31 // Classes referenced |
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32 |
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33 |
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34 // |
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35 // CTrkTcbSrvSessionEngine (source) |
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36 // |
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37 |
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38 // |
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39 // CTrkTcbSrvScheduler::CTrkTcbSrvSessionEngine() |
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40 // |
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41 // Constructor |
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42 // |
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43 CTrkTcbSrvSessionEngine::CTrkTcbSrvSessionEngine() : iFileState(EFileUnknown) |
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44 { |
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45 } |
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46 |
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47 // |
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48 // CTrkTcbSrvScheduler::~CTrkTcbSrvSessionEngine() |
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49 // |
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50 // Destructor |
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51 // |
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52 CTrkTcbSrvSessionEngine::~CTrkTcbSrvSessionEngine() |
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53 { |
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54 } |
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55 |
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56 // |
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57 // CTrkTcbSrvScheduler::ConstructL() |
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58 // |
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59 // Second level constructor |
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60 // |
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61 void CTrkTcbSrvSessionEngine::ConstructL() |
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62 { |
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63 //nothing right now |
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64 } |
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65 |
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66 // |
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67 // CTrkTcbSrvScheduler::NewL() |
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68 // |
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69 // Creates an instance of CTrkTcbSrvSessionEngine |
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70 // |
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71 CTrkTcbSrvSessionEngine* CTrkTcbSrvSessionEngine::NewL() |
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72 { |
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73 CTrkTcbSrvSessionEngine* self = new(ELeave) CTrkTcbSrvSessionEngine(); |
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74 CleanupStack::PushL(self); |
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75 self->ConstructL(); |
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76 CleanupStack::Pop(self); |
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77 return self; |
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78 } |
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79 |
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80 // |
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81 // CTrkTcbSrvScheduler::OpenFileL() |
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82 // |
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83 // Opens the specified file |
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84 // |
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85 void CTrkTcbSrvSessionEngine::OpenFileL(const TDesC& aFilePath, TUint aMode, TTime& aModifiedTime) |
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86 { |
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87 //just for testing |
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88 TBuf8<KMaxPath> fileName; |
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89 fileName.Copy(aFilePath); |
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90 |
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91 iMode = aMode; //copy the mode, for properly closing the file. |
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92 |
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93 User::LeaveIfError(iFs.Connect()); |
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94 |
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95 TInt error = iFs.MkDirAll(aFilePath); |
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96 |
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97 if ((KErrNone != error) && (KErrAlreadyExists != error)) |
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98 { |
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99 iFs.Close(); |
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100 User::Leave(error); |
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101 } |
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102 |
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103 error = iFile.Open(iFs, aFilePath, aMode); |
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104 if (KErrNone != error) |
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105 User::LeaveIfError(iFile.Replace(iFs, aFilePath, aMode)); |
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106 |
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107 // get the modification date |
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108 User::LeaveIfError(iFile.Modified(aModifiedTime)); |
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109 iFileState = EFileOpened; |
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110 } |
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111 |
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112 // |
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113 // CTrkTcbSrvScheduler::ReadFileL() |
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114 // |
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115 // Reads from the already opened file |
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116 // |
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117 void CTrkTcbSrvSessionEngine::ReadFileL(TDes8& aFileData) |
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118 { |
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119 iFileState = EFileReading; |
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120 User::LeaveIfError(iFile.Read(aFileData)); |
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121 } |
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122 |
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123 // |
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124 // CTrkTcbSrvScheduler::WriteFileL() |
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125 // |
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126 // Writes to an already opened file |
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127 // |
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128 void CTrkTcbSrvSessionEngine::WriteFileL(const TDesC8& aFileData) |
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129 { |
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130 if (iFileState == EFileOpened) |
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131 { |
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132 iFile.SetSize(0); |
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133 iFileState = EFileWriting; |
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134 } |
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135 User::LeaveIfError(iFile.Write(aFileData)); |
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136 User::LeaveIfError(iFile.Flush()); |
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137 } |
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138 |
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139 // |
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140 // CTrkTcbSrvScheduler::CloseFileL() |
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141 // |
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142 // Closes an already opened file |
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143 // |
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144 void CTrkTcbSrvSessionEngine::CloseFileL(const TTime& aModifiedTime) |
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145 { |
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146 //set the modification time only if the file is opened in write mode |
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147 if (iMode & EFileWrite) |
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148 { |
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149 User::LeaveIfError(iFile.SetModified(aModifiedTime)); |
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150 User::LeaveIfError(iFile.Flush()); |
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151 } |
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152 |
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153 iFile.Close(); |
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154 iFs.Close(); |
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155 iFileState = EFileClosed; |
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156 } |
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157 |
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158 // |
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159 // CTrkTcbSrvScheduler::PositionFileL() |
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160 // |
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161 // Changes the positions in an already opened file |
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162 // |
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163 void CTrkTcbSrvSessionEngine::PositionFileL(TSeek aSeek, TInt& aOffset) |
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164 { |
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165 User::LeaveIfError(iFile.Seek(aSeek, aOffset)); |
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166 } |
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167 |
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168 |