author | Pat Downey <patd@symbian.org> |
Wed, 01 Sep 2010 12:35:00 +0100 | |
branch | RCL_3 |
changeset 16 | 012cc2ee6408 |
parent 15 | f92a4f87e424 |
permissions | -rw-r--r-- |
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/* |
16 | 2 |
* Copyright (c) 2008-2009 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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* |
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*/ |
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|
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/** |
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@file |
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@internalComponent |
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*/ |
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|
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#include "msmmserver.h" |
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#include <usb/hostms/msmmpolicypluginbase.h> |
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#include "msmm_internal_def.h" |
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#include "msmmsession.h" |
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#include "msmmengine.h" |
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#include "eventqueue.h" |
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#include "msmmterminator.h" |
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#include <usb/usblogger.h> |
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#ifdef __FLOG_ACTIVE |
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_LIT8(KLogComponent, "UsbHostMsmmServer"); |
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#endif |
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|
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// Static public functions |
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TInt CMsmmServer::ThreadFunction() |
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{ |
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TInt ret = KErrNone; |
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|
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__UHEAP_MARK; |
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// Create the cleanup stack |
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CTrapCleanup* cleanupStack = CTrapCleanup::New(); |
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if (cleanupStack) |
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{ |
16 | 47 |
#ifdef __FLOG_ACTIVE |
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(void)CUsbLog::Connect(); |
|
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#endif |
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||
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TRAP(ret, ThreadFunctionL()); |
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#ifdef __FLOG_ACTIVE |
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CUsbLog::Close(); |
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#endif |
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|
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delete cleanupStack; |
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} |
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else |
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{ |
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ret = KErrNoMemory; |
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} |
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__UHEAP_MARKEND; |
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|
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return ret; |
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} |
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|
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void CMsmmServer::ThreadFunctionL() |
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{ |
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LOG_STATIC_FUNC_ENTRY |
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|
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TSecureId creatorSID = User::CreatorSecureId(); |
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if (KFDFWSecureId != creatorSID) |
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{ |
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// Only FDF process can be the creator of the MSMM server |
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User::Leave(KErrPermissionDenied); |
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} |
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|
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// Create and install the active scheduler |
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CActiveScheduler* scheduler = new(ELeave) CActiveScheduler; |
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CleanupStack::PushL(scheduler); |
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CActiveScheduler::Install(scheduler); |
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|
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// Create the server and leave it on cleanup stack |
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CMsmmServer::NewLC(); |
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|
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// Signal the client that the server is up and running |
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RProcess::Rendezvous(KErrNone); |
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|
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RThread().SetPriority(EPriorityAbsoluteHigh); |
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|
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// Start the active scheduler, the server will now service |
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// request messages from clients. |
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CActiveScheduler::Start(); |
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|
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// Free the server and active scheduler. |
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CleanupStack::PopAndDestroy(2, scheduler); |
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} |
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99 |
|
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// Public functions |
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101 |
// Construction and destruction |
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CMsmmServer* CMsmmServer::NewLC() |
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103 |
{ |
16 | 104 |
LOG_STATIC_FUNC_ENTRY |
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105 |
CMsmmServer* self = new (ELeave) CMsmmServer(EPriorityHigh); |
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CleanupStack::PushL(self); |
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107 |
|
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// Create a server with unique server name |
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self->StartL(KMsmmServerName); |
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self->ConstructL(); |
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111 |
|
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return self; |
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} |
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114 |
|
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CMsmmServer::~CMsmmServer() |
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{ |
16 | 117 |
LOG_FUNC |
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delete iPolicyPlugin; |
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delete iEventQueue; |
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delete iEngine; |
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delete iTerminator; |
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REComSession::FinalClose(); |
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123 |
|
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#ifndef __OVER_DUMMYCOMPONENT__ |
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iFs.RemoveProxyDrive(KPROXYDRIVENAME); |
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iFs.Close(); |
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#endif |
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128 |
} |
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129 |
|
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130 |
// CMsmmServer APIs |
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CSession2* CMsmmServer::NewSessionL(const TVersion& aVersion, |
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const RMessage2& aMessage) const |
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{ |
16 | 134 |
LOG_FUNC |
0
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135 |
|
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if (KMaxClientCount <= SessionNumber()) |
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137 |
{ |
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// There is a connection to MSMM server already. |
16 | 139 |
// Currently design of MSMM allows only one activated client |
0
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// at any time. |
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User::Leave(KErrInUse); |
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142 |
} |
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143 |
|
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// Check the client-side API version number against the server version |
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// number. |
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TVersion serverVersion(KMsmmServMajorVersionNumber, |
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KMsmmServMinorVersionNumber, KMsmmServBuildVersionNumber); |
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148 |
|
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if (!User::QueryVersionSupported(serverVersion, aVersion)) |
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150 |
{ |
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151 |
// Server version incompatible with client-side API |
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PanicClient(aMessage, ENoSupportedVersion); |
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User::Leave(KErrNotSupported); |
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154 |
} |
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155 |
|
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156 |
// Version number is OK - create the session |
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return CMsmmSession::NewL(*(const_cast<CMsmmServer*>(this)), *iEventQueue); |
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158 |
} |
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159 |
|
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TInt CMsmmServer::SessionNumber() const |
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{ |
16 | 162 |
LOG_FUNC |
163 |
||
0
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return iNumSessions; |
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165 |
} |
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166 |
|
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167 |
void CMsmmServer::AddSession() |
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{ |
16 | 169 |
LOG_FUNC |
170 |
||
0
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++iNumSessions; |
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iTerminator->Cancel(); |
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173 |
} |
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174 |
|
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175 |
void CMsmmServer::RemoveSession() |
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{ |
16 | 177 |
LOG_FUNC |
0
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178 |
|
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--iNumSessions; |
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if (iNumSessions == 0) |
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181 |
{ |
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182 |
// Discard all pending adding interface events from queue |
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183 |
// and cancel event handler if a adding events is being |
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184 |
// handled in it. |
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185 |
iEventQueue->Finalize(); |
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186 |
iTerminator->Cancel(); |
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187 |
iTerminator->Start(); |
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188 |
} |
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189 |
} |
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190 |
|
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191 |
// Private functions |
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192 |
// CMsmmServer Construction |
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193 |
CMsmmServer::CMsmmServer(TInt aPriority) |
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194 |
:CPolicyServer(aPriority, KMsmmServerSecurityPolicy, EUnsharableSessions) |
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195 |
{ |
16 | 196 |
LOG_FUNC |
197 |
// |
|
0
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198 |
} |
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199 |
|
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200 |
void CMsmmServer::ConstructL() |
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201 |
{ |
16 | 202 |
LOG_FUNC |
0
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203 |
|
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204 |
iEngine = CMsmmEngine::NewL(); |
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205 |
iEventQueue = CDeviceEventQueue::NewL(*this); |
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206 |
iTerminator = CMsmmTerminator::NewL(*iEventQueue); |
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207 |
iPolicyPlugin = CMsmmPolicyPluginBase::NewL(); |
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208 |
if (!iPolicyPlugin) |
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209 |
{ |
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210 |
// Not any policy plugin implementation available |
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211 |
PanicServer(ENoPolicyPlugin); |
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212 |
} |
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213 |
|
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214 |
// Initalize RFs connection and add the ELOCAL file system to file server |
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215 |
User::LeaveIfError(iFs.Connect()); |
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216 |
|
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217 |
#ifndef __OVER_DUMMYCOMPONENT__ |
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TInt ret(KErrNone); |
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ret = iFs.AddProxyDrive(KFSEXTNAME); |
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if ((KErrNone != ret) && (KErrAlreadyExists != ret)) |
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221 |
{ |
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User::Leave(ret); |
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223 |
} |
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224 |
#endif |
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225 |
|
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226 |
// Start automatic shutdown timer |
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227 |
iTerminator->Start(); |
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228 |
} |
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229 |
|
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230 |
// End of file |