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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 "TrkTcbSrvSession.h" |
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19 |
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20 // System includes |
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21 |
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22 //User Includes |
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23 #include "TrkTcbCmdCodes.h" |
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24 #include "TrkTcbSrvSessionEngine.h" |
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25 // Type definitions |
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26 |
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27 // Constants |
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28 const TInt KTrkTcbServerTransferBufferExpandSize = 100; |
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29 const TInt KSlot0 = 0; |
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30 const TInt KSlot1 = 1; |
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31 //const TInt KSlot2 = 2; |
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32 const TInt KSlot3 = 3; |
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33 |
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34 // Enumerations |
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35 |
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36 // Classes referenced |
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37 |
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38 |
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39 // |
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40 // CTrkTcbSrvSession (source) |
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41 // |
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42 |
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43 // |
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44 // CTrkTcbSrvServer::CTrkTcbSrvSession() |
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45 // |
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46 // Constructor |
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47 // |
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48 CTrkTcbSrvSession::CTrkTcbSrvSession() |
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49 { |
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50 } |
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51 |
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52 // |
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53 // CTrkTcbSrvServer::~CTrkTcbSrvSession() |
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54 // |
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55 // Destructor |
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56 // |
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57 CTrkTcbSrvSession::~CTrkTcbSrvSession() |
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58 { |
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59 HandleServerDestruction(); |
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60 delete iTransferBuffer; |
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61 } |
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62 |
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63 // |
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64 // CTrkTcbSrvServer::ConstructL() |
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65 // |
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66 // Creates an instance of CTrkTcbSrvSession. |
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67 // |
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68 void CTrkTcbSrvSession::ConstructL() |
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69 { |
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70 iTransferBuffer = CBufFlat::NewL(KTrkTcbServerTransferBufferExpandSize); |
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71 iSessionEngine = CTrkTcbSrvSessionEngine::NewL(); |
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72 } |
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73 |
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74 // |
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75 // CTrkTcbSrvServer::NewL() |
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76 // |
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77 // Static self construction |
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78 // |
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79 CTrkTcbSrvSession* CTrkTcbSrvSession::NewL() |
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80 { |
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81 CTrkTcbSrvSession* self = new(ELeave) CTrkTcbSrvSession(); |
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82 CleanupStack::PushL(self); |
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83 self->ConstructL(); |
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84 CleanupStack::Pop(self); |
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85 return self; |
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86 } |
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87 |
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88 // |
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89 // CTrkTcbSrvServer::HandleServerDestruction() |
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90 // |
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91 // Called by the server's destructor. We need to be told that the server is |
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92 // being destroyed. |
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93 // |
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94 void CTrkTcbSrvSession::HandleServerDestruction() |
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95 { |
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96 delete iSessionEngine; |
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97 iSessionEngine = NULL; |
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98 } |
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99 |
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100 // |
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101 // CTrkTcbSrvServer::ServiceL() |
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102 // |
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103 // Services requests from a client. |
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104 // Called by the IPC framework whenever a client sends a request to the server. |
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105 // |
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106 void CTrkTcbSrvSession::ServiceL(const RMessage2& aMessage) |
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107 { |
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108 // Leave's are caught by CASSrvServer::RunError |
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109 iMessage = &aMessage; |
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110 |
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111 const TBool completeMessage = DoServiceL(); |
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112 |
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113 //Right now there are no asynchronous message completion. |
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114 //So if the message is not completed, then there is an error and needs to be reported |
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115 //to the client. |
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116 if (completeMessage) |
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117 aMessage.Complete(KErrNone); |
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118 else |
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119 aMessage.Complete(KErrGeneral); |
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120 |
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121 iMessage=NULL; |
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122 } |
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123 |
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124 // |
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125 // CTrkTcbSrvServer::ServiceL() |
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126 // |
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127 // Services the requests. |
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128 // |
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129 TBool CTrkTcbSrvSession::DoServiceL() |
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130 { |
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131 TBool completeMessage = EFalse; |
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132 const TInt cmd = Message().Function(); |
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133 // |
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134 switch(cmd) |
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135 { |
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136 case ETrkTcbCmdCodeOpenFile: |
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137 completeMessage = CmdOpenFileL(); |
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138 break; |
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139 case ETrkTcbCmdCodeReadFile: |
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140 completeMessage = CmdReadFileL(); |
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141 break; |
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142 case ETrkTcbCmdCodeWriteFile: |
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143 completeMessage = CmdWriteFileL(); |
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144 break; |
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145 case ETrkTcbCmdCodeCloseFile: |
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146 completeMessage = CmdCloseFileL(); |
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147 break; |
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148 case ETrkTcbCmdCodePositionFile: |
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149 completeMessage = CmdPositionFileL(); |
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150 break; |
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151 case ETrkTcbCmdCodeShutDownServer: |
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152 completeMessage = CmdShutDownServer(); |
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153 break; |
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154 |
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155 default: |
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156 Message().Panic(KServerIntiatedSessionPanic, ETrkTcbServerInitiatedClientPanicInvalidOperation); |
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157 break; |
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158 } |
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159 |
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160 return completeMessage; |
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161 } |
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162 |
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163 // |
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164 // CTrkTcbSrvServer::CmdOpenFileL() |
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165 // |
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166 // Gets the data for open file request and calls the session engine open file method. |
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167 // |
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168 TBool CTrkTcbSrvSession::CmdOpenFileL() |
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169 { |
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170 const TInt fileNameLength = static_cast<TInt>(Message().Int0()); |
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171 |
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172 if (fileNameLength > 0) |
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173 { |
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174 HBufC* filePath = HBufC::NewLC(fileNameLength); |
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175 TPtr pFilePath(filePath->Des()); |
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176 Message().ReadL(KSlot1, pFilePath); |
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177 |
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178 const TUint mode = static_cast<TUint>(Message().Int2()); |
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179 |
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180 TTime modifiedTime; |
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181 iSessionEngine->OpenFileL(filePath->Des(), mode, modifiedTime); |
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182 |
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183 TPckgC<TTime> package(modifiedTime); |
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184 Message().WriteL(KSlot3, package); |
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185 |
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186 CleanupStack::PopAndDestroy(filePath); |
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187 |
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188 return ETrue; |
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189 } |
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190 return EFalse; |
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191 } |
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192 |
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193 // |
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194 // CTrkTcbSrvServer::CmdReadFileL() |
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195 // |
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196 // Gets the data for read file request and calls the session engine read file method. |
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197 // |
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198 TBool CTrkTcbSrvSession::CmdReadFileL() |
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199 { |
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200 const TInt dataLength = static_cast<TInt>(Message().Int0()); |
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201 |
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202 if (dataLength > 0) |
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203 { |
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204 HBufC8* fileData = HBufC8::NewLC(dataLength); |
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205 TPtr8 ptr(fileData->Des()); |
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206 |
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207 iSessionEngine->ReadFileL(ptr); |
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208 |
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209 //write the file data into the client descriptor |
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210 Message().WriteL(KSlot1, ptr); |
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211 |
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212 CleanupStack::PopAndDestroy(fileData); |
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213 } |
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214 |
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215 return ETrue; |
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216 } |
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217 |
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218 // |
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219 // CTrkTcbSrvServer::CmdWriteFileL() |
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220 // |
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221 // Gets the data for write file request and calls the session engine write file method. |
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222 // |
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223 TBool CTrkTcbSrvSession::CmdWriteFileL() |
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224 { |
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225 const TInt fileDataLength = static_cast<TInt>(Message().Int0()); |
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226 |
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227 if (fileDataLength > 0) |
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228 { |
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229 HBufC8* fileData = HBufC8::NewLC(fileDataLength); |
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230 TPtr8 pFileData(fileData->Des()); |
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231 Message().ReadL(KSlot1, pFileData); |
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232 |
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233 iSessionEngine->WriteFileL(*fileData); |
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234 |
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235 CleanupStack::PopAndDestroy(fileData); |
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236 |
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237 return ETrue; |
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238 } |
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239 return EFalse; |
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240 } |
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241 |
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242 // |
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243 // CTrkTcbSrvServer::CmdCloseFileL() |
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244 // |
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245 // Gets the data for close file request and calls the session engine close file method. |
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246 // |
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247 TBool CTrkTcbSrvSession::CmdCloseFileL() |
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248 { |
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249 TTime modificationTime; |
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250 |
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251 TPckg<TTime> package(modificationTime); |
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252 Message().ReadL(KSlot0, package); |
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253 |
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254 iSessionEngine->CloseFileL(modificationTime); |
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255 |
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256 return ETrue; |
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257 } |
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258 |
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259 // |
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260 // CTrkTcbSrvServer::CmdPositionFileL() |
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261 // |
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262 // Gets the data for position file request and calls the session engine position file method. |
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263 // |
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264 TBool CTrkTcbSrvSession::CmdPositionFileL() |
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265 { |
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266 TSeek seek; |
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267 |
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268 TPckg<TSeek> seekPckg(seek); |
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269 Message().ReadL(KSlot0, seekPckg); |
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270 |
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271 TInt offset = static_cast<TInt>(Message().Int1());; |
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272 |
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273 iSessionEngine->PositionFileL(seek, offset); |
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274 |
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275 return ETrue; |
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276 } |
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277 |
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278 // |
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279 // CTrkTcbSrvServer::CmdShutDownServer() |
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280 // |
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281 // Stops the active scheduler. This way, server process will run to completion. |
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282 // |
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283 TBool CTrkTcbSrvSession::CmdShutDownServer() |
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284 { |
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285 CActiveScheduler::Stop(); |
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286 |
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287 return ETrue; |
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288 } |