author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 17 Dec 2009 09:14:30 +0200 | |
changeset 0 | 1e05558e2206 |
child 2 | 468cfcb53fd1 |
permissions | -rw-r--r-- |
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// Copyright (c) 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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@file |
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Implements a Session of a Symbian OS server for the RUsbMassStorage API |
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*/ |
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#include <e32property.h> |
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#include <coreapplicationuisdomainpskeys.h> |
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#include "mscfilesession.h" |
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#include "mscfilecontroller.h" |
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#include "mscfileserver.h" |
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#include "usbmscfileshared.h" |
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#include "debug.h" |
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/** |
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Construct a Symbian OS session object. |
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|
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@param aServer Service the session will be a member of |
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@param aMessage The message from the client. |
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@return A new CMscFileSession object |
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*/ |
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CMscFileSession* CMscFileSession::NewL(CMscFileServer& aServer) |
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{ |
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CMscFileSession* r = new (ELeave) CMscFileSession(aServer); |
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CleanupStack::PushL(r); |
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r->ConstructL(); |
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CleanupStack::Pop(); |
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return r; |
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} |
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/** |
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Constructor. |
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@param aServer Service the session will be a member of |
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*/ |
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CMscFileSession::CMscFileSession(CMscFileServer& aServer) |
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: iMscFileServer( aServer ) |
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{ |
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TRACE_FUNC |
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} |
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/** |
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2nd Phase Construction. |
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*/ |
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void CMscFileSession::ConstructL() |
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{ |
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TRACE_FUNC |
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iMscFileServer.IncrementSessionCount(); |
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if ( iMscFileServer.SessionCount() > 1 ) |
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{ |
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TRACE_ERROR(( _L( "SessionCount: %d" ), iMscFileServer.SessionCount() )) |
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// Only one session is allowed |
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User::Leave( KErrInUse ); |
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} |
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} |
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/** |
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Destructor. |
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*/ |
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CMscFileSession::~CMscFileSession() |
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{ |
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iMscFileServer.DecrementSessionCount(); |
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} |
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/** |
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Called when a message is received from the client. |
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@param aMessage Message received from the client |
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*/ |
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void CMscFileSession::ServiceL( const RMessage2& aMessage ) |
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{ |
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TRAPD( err, DispatchMessageL( aMessage ) ); |
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aMessage.Complete( err ); |
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} |
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void CMscFileSession::DispatchMessageL( const RMessage2& aMessage ) |
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{ |
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switch (aMessage.Function()) |
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{ |
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case EMscFileSetupLu: |
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SetupLogicalUnitL( aMessage ); |
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break; |
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case EMscFileStart: |
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StartL( aMessage ); |
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break; |
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107 |
case EMscFileStop: |
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|
108 |
LEAVE_IF_ERROR( Stop() ); |
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|
109 |
break; |
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|
110 |
|
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|
111 |
case EMscFileShutdown: |
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|
112 |
LEAVE_IF_ERROR( Shutdown() ); |
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|
113 |
break; |
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|
114 |
|
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|
115 |
default: |
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|
116 |
aMessage.Panic( KUsbMsCliPncCat, EUsbMsPanicIllegalIPC ); |
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|
117 |
break; |
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118 |
} |
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119 |
|
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120 |
} |
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121 |
|
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122 |
void CMscFileSession::SetupLogicalUnitL( const RMessage2& aMessage ) |
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123 |
{ |
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124 |
TRACE_FUNC_ENTRY |
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125 |
TInt protocol; |
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126 |
TInt lun; |
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127 |
RBuf buf; |
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128 |
TInt len = aMessage.GetDesLength( 0 ); |
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129 |
buf.CreateL( len ); |
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130 |
buf.CleanupClosePushL(); |
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131 |
aMessage.ReadL( 0, buf ); |
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132 |
protocol = aMessage.Int1(); |
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133 |
lun = aMessage.Int2(); |
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134 |
|
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135 |
//get the directory and name of image file |
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136 |
RFs fs; |
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137 |
LEAVE_IF_ERROR(fs.Connect()); |
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138 |
CleanupClosePushL(fs); |
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139 |
|
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140 |
TFileName fileName; |
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141 |
const TDriveNumber KResourceDrive = EDriveZ; |
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142 |
TDriveUnit driveUnit( KResourceDrive ); |
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143 |
TDriveName drive = driveUnit.Name(); |
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|
144 |
fileName.Insert( 0, drive ); |
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145 |
// append private path |
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146 |
TPath privatePath; |
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147 |
fs.PrivatePath(privatePath); |
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|
148 |
fileName.Append(privatePath); |
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|
149 |
CleanupStack::PopAndDestroy(&fs); |
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|
150 |
|
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|
151 |
fileName.Append(buf); |
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152 |
iMscFileServer.Controller().SetupLogicalUnitL( fileName, protocol, lun ); |
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|
153 |
CleanupStack::PopAndDestroy( &buf ); |
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|
154 |
TRACE_FUNC_EXIT |
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155 |
} |
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156 |
/** |
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157 |
Client request to start the device. |
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|
158 |
|
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|
159 |
@return Any error that occurred or KErrNone |
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160 |
*/ |
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|
161 |
void CMscFileSession::StartL( const RMessage2& aMessage ) |
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162 |
{ |
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Revision: 200949
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163 |
TRACE_FUNC |
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|
164 |
|
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|
165 |
User::LeaveIfError(RProperty::Set(KPSUidCoreApplicationUIs, |
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|
166 |
KCoreAppUIsUSBFileTransfer, |
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|
167 |
ECoreAppUIsUSBFileTransferActive)); |
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|
168 |
|
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|
169 |
TMassStorageConfig msConfig; |
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|
170 |
GetMsConfigL( aMessage, msConfig ); |
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|
171 |
LEAVE_IF_ERROR( iMscFileServer.Controller().Start( msConfig ) ); |
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|
172 |
} |
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|
173 |
|
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|
174 |
/** |
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|
175 |
Client request to stop the device. |
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|
176 |
|
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|
177 |
@return Any error that occurred or KErrNone |
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|
178 |
*/ |
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|
179 |
TInt CMscFileSession::Stop() |
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|
180 |
{ |
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|
181 |
TRACE_FUNC |
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|
182 |
|
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|
183 |
RProperty::Set(KPSUidCoreApplicationUIs, |
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|
184 |
KCoreAppUIsUSBFileTransfer, |
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|
185 |
ECoreAppUIsUSBFileTransferNotActive); |
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|
186 |
|
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|
187 |
return iMscFileServer.Controller().Stop(); |
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|
188 |
} |
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|
189 |
|
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|
190 |
/** |
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|
191 |
Client request to shut down the server |
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|
192 |
|
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|
193 |
@return KErrNone |
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|
194 |
*/ |
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|
195 |
TInt CMscFileSession::Shutdown() |
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|
196 |
{ |
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|
197 |
TRACE_FUNC |
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|
198 |
CActiveScheduler::Stop(); |
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Revision: 200949
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|
199 |
return KErrNone; |
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|
200 |
} |
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|
201 |
|
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|
202 |
/** |
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|
203 |
Get mass storage configuration data from the received message |
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|
204 |
*/ |
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|
205 |
void CMscFileSession::GetMsConfigL( const RMessage2& aMessage, |
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|
206 |
TMassStorageConfig& aMsStorage ) |
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|
207 |
{ |
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Revision: 200949
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|
208 |
aMessage.ReadL( 0, aMsStorage.iVendorId ); |
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Revision: 200949
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|
209 |
aMessage.ReadL( 1, aMsStorage.iProductId ); |
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Revision: 200949
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|
210 |
aMessage.ReadL( 2, aMsStorage.iProductRev ); |
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|
211 |
} |