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1 /* |
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2 * Copyright (c) 2005-2009 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 * Main log server engine. |
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16 * Process log requests from multiple clients simultaneously. |
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17 * |
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18 */ |
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19 |
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20 |
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21 |
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22 /** |
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23 @file server.cpp |
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24 */ |
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25 #include "server.h" |
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26 #include <unistd.h> |
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27 #include <fcntl.h> |
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28 |
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29 CLogServer* CLogServer::NewL() |
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30 /** |
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31 * @return - Instance of the log server |
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32 */ |
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33 { |
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34 CLogServer * server = new (ELeave) CLogServer(); |
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35 CleanupStack::PushL(server); |
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36 server->ConstructL(); |
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37 // CServer base class call |
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38 server->StartL(KTestExecutePIPSLogServerName); |
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39 CleanupStack::Pop(server); |
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40 return server; |
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41 } |
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42 |
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43 void CLogServer::ConstructL() |
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44 /** |
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45 * Second phase construction |
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46 */ |
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47 { |
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48 } |
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49 |
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50 |
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51 CLogServer::CLogServer() : CServer2(EPriorityStandard,ESharableSessions) |
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52 /** |
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53 * Constructor |
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54 */ |
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55 { |
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56 } |
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57 |
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58 CLogServer::~CLogServer() |
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59 /** |
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60 * Destructor |
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61 */ |
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62 { |
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63 // Close the array of control structures |
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64 LogControl().Close(); |
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65 //Fs().Close(); |
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66 } |
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67 |
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68 |
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69 CSession2* CLogServer::NewSessionL(const TVersion& /*aVersion*/,const RMessage2& /*aMessage*/) const |
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70 /** |
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71 * @param RMessage - RMessage for the session open |
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72 */ |
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73 { |
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74 // Just create the session |
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75 CLogSession* session = new (ELeave) CLogSession(); |
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76 return session; |
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77 } |
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78 |
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79 void CLogServer::ControlComplete(CLogSession& aControl) |
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80 /** |
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81 * @param aControl - Logfile control class reference |
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82 * |
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83 * Checks to see if this control session can be removed |
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84 */ |
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85 { |
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86 if(aControl.SessionCount()) |
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87 return; |
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88 |
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89 // There are no subsessions mapped to the logfile control class and |
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90 // no data buffers on its write queue |
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91 // Loop through the server's control array and remove it then delete it |
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92 TInt i; |
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93 for(i=0;i<LogControl().Count();i++) |
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94 { |
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95 if(&aControl == LogControl()[i]) |
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96 { |
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97 // Done |
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98 LogControl().Remove(i); |
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99 delete &aControl; |
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100 break; |
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101 } |
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102 } |
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103 // If it's the last one then exit the server |
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104 if(!LogControl().Count()) |
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105 CActiveScheduler::Stop(); |
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106 } |
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107 |
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108 |
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109 /////// |
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110 |
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111 CLogSession::CLogSession() |
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112 :iFileDes(-1) |
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113 /** |
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114 * Constructor |
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115 */ |
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116 { |
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117 } |
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118 |
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119 CLogSession::~CLogSession() |
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120 /** |
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121 * Destructor |
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122 */ |
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123 { |
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124 // Check for null |
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125 // Session close without a createlog call leaves iControl null |
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126 // A logfile control structure can have multiple server sessions |
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127 // decrement its server session count |
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128 RemoveSession(); |
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129 CLogServer* p=(CLogServer*) Server(); |
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130 // Shuts Down the server if this is the last open session |
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131 p->ControlComplete(*this); |
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132 } |
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133 |
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134 void CLogSession::ServiceL(const RMessage2& aMessage) |
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135 /** |
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136 * @param aMessage - Function and data for the session |
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137 */ |
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138 { |
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139 switch(aMessage.Function()) |
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140 { |
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141 // case RTestExecutePIPSLogServ::ECreateLog : |
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142 // {} |
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143 // One of the API write calls |
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144 case RTestExecutePIPSLogServ::EWriteLog : |
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145 { |
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146 // Data can be any size |
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147 // Get the length from second argument |
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148 TInt bufferLength = aMessage.Int1(); |
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149 // Get a heap buffer of the right size |
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150 HBufC8* buffer = HBufC8::NewLC(bufferLength); |
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151 TPtr8 ptr(buffer->Des()); |
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152 // read the data |
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153 aMessage.ReadL(0,ptr); |
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154 // Get a buffer control class contructed with the heap data |
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155 // takes ownership |
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156 //CLogBuffer* logBuffer = new (ELeave) CLogBuffer(*buffer); |
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157 CleanupStack::Pop(buffer); |
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158 //get the name of the pipe we want to dump the logs to |
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159 TInt pipeNameLen = aMessage.Int3(); |
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160 // Get a heap buffer of the right size |
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161 HBufC8* pipebuffer = HBufC8::NewLC(pipeNameLen); |
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162 TPtr8 pipePtr(pipebuffer->Des()); |
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163 // read the data |
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164 aMessage.ReadL(2,pipePtr); |
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165 // Get a buffer control class contructed with the heap data |
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166 // takes ownership |
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167 CleanupStack::Pop(pipebuffer); |
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168 |
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169 if((iFileDes == -1) || (!iPipeName ) || (iPipeName->CompareF(pipePtr)) ) |
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170 { |
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171 iPipeName = new TPtr8(pipePtr) ; |
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172 //iPipeName.Set(pipePtr) ; |
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173 |
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174 char arr[KMaxPath]; |
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175 int var; |
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176 for (var = 0; var < pipePtr.Length(); ++var) { |
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177 arr[var]=pipePtr[var]; |
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178 } |
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179 arr[var]='\0'; |
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180 |
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181 iFileDes = open( arr, O_WRONLY); |
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182 } |
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183 |
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184 const char *printsomething = (const char *)ptr.Ptr() ; |
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185 // incases when the pipe name given was empty / incorrect |
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186 // or unavailable for some reason, the open is expected |
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187 // to return -1, and then we do nothing |
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188 if(iFileDes != -1 ) |
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189 { |
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190 write(iFileDes , printsomething, bufferLength) ; |
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191 aMessage.Complete(KErrNone); |
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192 } |
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193 else |
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194 { |
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195 aMessage.Complete(KErrNotFound); |
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196 } |
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197 // apparently closing the pipe is an issue with named pipes |
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198 // so let be for now |
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199 //close(aFileDes); |
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200 } |
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201 break; |
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202 |
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203 default: |
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204 break; |
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205 } |
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206 } |
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207 |