author | hgs |
Wed, 13 Oct 2010 19:39:18 +0530 | |
changeset 71 | 28ccaba883f4 |
parent 44 | 97b0fb8a2cc2 |
child 57 | 2efc27d87e1c |
permissions | -rw-r--r-- |
0
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// Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies). |
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// All rights reserved. |
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// This component and the accompanying materials are made available |
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// under the terms of "Eclipse Public License v1.0" |
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// which accompanies this distribution, and is available |
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// at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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// |
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// Initial Contributors: |
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// Nokia Corporation - initial contribution. |
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// |
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// Contributors: |
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// |
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// Description: |
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// file descriptor transfer server - server implementation |
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// |
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// |
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|
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#include "fdtransfer_srv.h" |
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#include "sysif.h" |
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#include "fdesc.h" |
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// ------------------------------------------------------------------------------- |
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// CShutdown::ConstructL |
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// ------------------------------------------------------------------------------- |
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inline void CShutdown::ConstructL() |
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{ |
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CTimer::ConstructL(); |
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} |
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|
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// ------------------------------------------------------------------------------- |
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// CShutdown::Start |
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// Starts the timer for the specified time given |
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// ------------------------------------------------------------------------------- |
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inline void CShutdown::Start() |
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{ |
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CActiveScheduler::Add(this); |
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After(KFDTransferServerShutdownDelay); |
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} |
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|
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// ------------------------------------------------------------------------------- |
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// CShutdown::RunL |
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// Initiate server exit when timer expires |
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// ------------------------------------------------------------------------------- |
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inline void CShutdown::RunL() |
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{ |
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CActiveScheduler::Stop(); |
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} |
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// ------------------------------------------------------------------------------- |
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// CFileDesTransferSession::CreateL |
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// 2nd phase construction for sessions. Invoked by the CServer2 framework |
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// ------------------------------------------------------------------------------- |
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inline void CFileDesTransferSession::CreateL() |
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{ |
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Server().AddSession(); |
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} |
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// ------------------------------------------------------------------------------- |
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// CFileDesTransferSession::ServiceL |
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// Handle a client request. Leaves are handled by the ServiceError method. |
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// ------------------------------------------------------------------------------- |
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void CFileDesTransferSession::ServiceL(const RMessage2& aMsg) |
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{ |
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switch (aMsg.Function()) |
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{ |
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case ETransferFile: |
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{ |
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GetfilesFromClient(aMsg); |
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break; |
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} |
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case ETransferPipe: |
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{ |
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GetPipesFromClient(aMsg); |
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break; |
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} |
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default: |
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{ |
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#ifdef _DEBUG |
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RDebug::Printf("CFileDesTransferSession: Illegal message received"); |
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#endif |
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break; //_DEBUG |
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} |
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|
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} |
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} |
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|
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// ------------------------------------------------------------------------------- |
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// CFileDesTransferSession::GetPipesFromClient |
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// Inherits pipes from the client. |
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// ------------------------------------------------------------------------------- |
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void CFileDesTransferSession::GetPipesFromClient(const RMessage2& aMsg) const |
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{ |
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CFileTable& ftable = const_cast<CFileTable&>(Backend()->FileTable()); |
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TInt indx = aMsg.Int0(); |
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RPipe pipe; |
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TInt err = pipe.Open(aMsg, 1); |
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101 |
|
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if (err == KErrNone) |
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{ |
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TUint16 mode = 0; |
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if(aMsg.Int2()& O_NONBLOCK) |
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mode |= O_NONBLOCK; |
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107 |
|
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if(indx > (ftable.iFids.Count()-1)) |
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109 |
{ |
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TRAP(err,ftable.ExpandFTableL(indx+1)); |
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111 |
} |
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if(KErrNone == err) |
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err = ftable.CreatePipeDesc(indx,pipe,mode); |
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if (err != KErrNone) |
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115 |
{ |
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pipe.Close(); |
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} |
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118 |
|
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} |
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aMsg.Complete(KErrNone); |
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} |
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122 |
|
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123 |
// ------------------------------------------------------------------------------- |
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// CFileDesTransferSession::GetfilesFromClient |
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// Inherits normal files the client. |
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// ------------------------------------------------------------------------------- |
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void CFileDesTransferSession::GetfilesFromClient(const RMessage2& aMsg) const |
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128 |
{ |
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129 |
|
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CFileTable& ftable = const_cast<CFileTable&>((Backend()->FileTable())); |
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TInt indx = aMsg.Int0(); |
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CFileDesc* fdesc = (CFileDesc*)ftable.iPrivateHeap->AllocZ(sizeof(CFileDesc)); |
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if (!fdesc) |
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134 |
{ |
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aMsg.Complete(KErrNone); |
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return; |
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} |
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fdesc = new (fdesc) CFileDesc; |
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139 |
|
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#if defined(SYMBIAN_OE_LARGE_FILE_SUPPORT) && !defined(SYMBIAN_OE_NO_LFS) |
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//The integer width is bigger for 64 bit sizes |
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TBuf<140> params; |
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#else |
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TBuf<60> params; |
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#endif /* SYMBIAN_OE_LARGE_FILE_SUPPORT && !SYMBIAN_OE_NO_LFS */ |
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146 |
|
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aMsg.Read(1,params); |
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TInt err = (fdesc->FileHandle()).AdoptFromClient(aMsg,2,3); |
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if(indx > (ftable.iFids.Count()-1)) |
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150 |
{ |
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TRAP(err,ftable.ExpandFTableL(indx+1)); |
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152 |
} |
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if (err == KErrNone) |
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154 |
{ |
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fdesc->SetState(params); |
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err = fdesc->CreateLock(); |
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157 |
} |
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158 |
if(err == KErrNone) |
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159 |
{ |
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err = fdesc->Alloc(); |
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} |
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if(err == KErrNone) |
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163 |
{ |
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ftable.Attach(indx, fdesc); |
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165 |
|
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166 |
} |
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167 |
else |
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168 |
{ |
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delete fdesc; |
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(fdesc->FileHandle()).Close(); |
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171 |
} |
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172 |
aMsg.Complete(KErrNone); |
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return ; |
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174 |
} |
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175 |
|
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176 |
// ------------------------------------------------------------------------------- |
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// CFileDesTransferSession::ServiceError |
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// Handle an error from CFileTransferSession::ServiceL(). |
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// ------------------------------------------------------------------------------- |
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void CFileDesTransferSession::ServiceError(const RMessage2& aMsg, TInt aError) |
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181 |
{ |
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CSession2::ServiceError(aMsg, aError); |
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183 |
} |
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184 |
|
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185 |
// ------------------------------------------------------------------------------- |
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// CFileDesTransferSession::Server |
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// Obtain a reference to the server |
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// ------------------------------------------------------------------------------- |
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inline CFileDesTransferServer& CFileDesTransferSession::Server() |
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190 |
{ |
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return *(static_cast<CFileDesTransferServer*>(const_cast<CServer2*>(CSession2::Server()))); |
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192 |
} |
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193 |
|
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194 |
// ------------------------------------------------------------------------------- |
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// CFileDesTransferSession::~CFileDesTransferSession |
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// This session is destroyed. Gone forever. |
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// ------------------------------------------------------------------------------- |
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CFileDesTransferSession::~CFileDesTransferSession() |
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199 |
{ |
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Server().DropSession(); |
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201 |
} |
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202 |
|
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203 |
|
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// ------------------------------------------------------------------------------- |
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// CFileDesTransferServer::NewLC |
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// Server constructor |
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// ------------------------------------------------------------------------------- |
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CFileDesTransferServer* CFileDesTransferServer::NewLC(RSemaphore& sem) |
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209 |
{ |
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CFileDesTransferServer* pServer = new(ELeave) CFileDesTransferServer; |
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211 |
CleanupStack::PushL(pServer); |
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pServer->iSem = sem; |
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pServer->ConstructL(); |
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// Leave pServer on the cleanup stack |
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return pServer; |
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} |
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// ------------------------------------------------------------------------------- |
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// CFileDesTransferServer::ConstructL |
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// Second phase construction. Create the shutdown timer object and the semaphore |
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// ------------------------------------------------------------------------------- |
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void CFileDesTransferServer::ConstructL() |
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{ |
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CShutdown* shutdown = new(ELeave) CShutdown; |
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CleanupStack::PushL(shutdown); |
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shutdown->ConstructL(); |
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CleanupStack::Pop(); |
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iShutdown = shutdown; |
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shutdown = 0; |
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} |
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// ------------------------------------------------------------------------------- |
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// CFileDesTransferServer::AddToScheduler |
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// Add both the server and the shutdown timer objects to the active scheduler |
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// ------------------------------------------------------------------------------- |
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TInt CFileDesTransferServer::AddToScheduler(const TDesC& aName) |
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{ |
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iShutdown->Start(); |
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return CServer2::Start(aName); |
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} |
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|
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// ------------------------------------------------------------------------------- |
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// CFileDesTransferServer::RemoveFromScheduler |
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// Remove both the server and the shutdown timer objects from the active scheduler |
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// ------------------------------------------------------------------------------- |
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void CFileDesTransferServer::RemoveFromScheduler() |
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{ |
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if (iShutdown->IsAdded()) |
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{ |
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iShutdown->Deque(); |
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} |
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Deque(); |
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} |
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// ------------------------------------------------------------------------------- |
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// CFileDesTransferServer::NewSessionL |
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// Create a new client session. |
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// ------------------------------------------------------------------------------- |
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CSession2* CFileDesTransferServer::NewSessionL(const TVersion&, const RMessage2&) const |
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{ |
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return new(ELeave) CFileDesTransferSession; |
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} |
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|
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// ------------------------------------------------------------------------------- |
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// CFileDesTransferServer::AddSession |
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// A new session is created. Cancel the shutdown timer if it was running. |
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// ------------------------------------------------------------------------------- |
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inline void CFileDesTransferServer::AddSession() |
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{ |
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iShutdown->Deque(); |
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++iSessionCount; |
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|
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} |
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// ------------------------------------------------------------------------------- |
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// CFileDesTransferServer::DropSession |
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// The session is destroyed. Stop the ActiveScheduler |
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// ------------------------------------------------------------------------------- |
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inline void CFileDesTransferServer::DropSession() |
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{ |
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if (--iSessionCount==0) |
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{ |
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CActiveScheduler::Stop(); |
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} |
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} |
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|
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// ------------------------------------------------------------------------------- |
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// CFileDesTransferServer::StartServer |
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// Start serving. Blocks until the active scheduler is stopped from CShutdown::RunL |
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// ------------------------------------------------------------------------------- |
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|
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void CFileDesTransferServer::StartServer() |
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{ |
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iSem.Signal(); |
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// Start the scheduler |
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CActiveScheduler::Start(); |
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// Block until |
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} |
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|
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// ------------------------------------------------------------------------------- |
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// CFileDesTransferServer::~CFileDesTransferServer |
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// ------------------------------------------------------------------------------- |
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CFileDesTransferServer::~CFileDesTransferServer() |
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{ |
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iSem.Close(); |
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delete iShutdown; |
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} |