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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: Implements a Session of a Symbian OS server for the RUsbMassStorage API
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//
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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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@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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case EMscFileStop:
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LEAVE_IF_ERROR( Stop() );
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break;
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case EMscFileShutdown:
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LEAVE_IF_ERROR( Shutdown() );
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break;
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default:
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aMessage.Panic( KUsbMsCliPncCat, EUsbMsPanicIllegalIPC );
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break;
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}
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}
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void CMscFileSession::SetupLogicalUnitL( const RMessage2& aMessage )
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{
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TRACE_FUNC_ENTRY
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TInt protocol;
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TInt lun;
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RBuf fullImageFileName;
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TInt len = aMessage.GetDesLength( 0 );
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fullImageFileName.CreateL( len );
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fullImageFileName.CleanupClosePushL();
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aMessage.ReadL( 0, fullImageFileName );
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protocol = aMessage.Int1();
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lun = aMessage.Int2();
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iMscFileServer.Controller().SetupLogicalUnitL( fullImageFileName, protocol, lun );
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CleanupStack::PopAndDestroy( &fullImageFileName );
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TRACE_FUNC_EXIT
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}
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/**
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Client request to start the device.
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@return Any error that occurred or KErrNone
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*/
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void CMscFileSession::StartL( const RMessage2& aMessage )
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{
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TRACE_FUNC
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User::LeaveIfError(RProperty::Set(KPSUidCoreApplicationUIs,
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KCoreAppUIsUSBFileTransfer,
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ECoreAppUIsUSBFileTransferActive));
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TMassStorageConfig msConfig;
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GetMsConfigL( aMessage, msConfig );
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LEAVE_IF_ERROR( iMscFileServer.Controller().Start( msConfig ) );
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}
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/**
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Client request to stop the device.
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@return Any error that occurred or KErrNone
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*/
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TInt CMscFileSession::Stop()
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{
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TRACE_FUNC
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RProperty::Set(KPSUidCoreApplicationUIs,
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KCoreAppUIsUSBFileTransfer,
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ECoreAppUIsUSBFileTransferNotActive);
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return iMscFileServer.Controller().Stop();
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}
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/**
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Client request to shut down the server
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@return KErrNone
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*/
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TInt CMscFileSession::Shutdown()
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{
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TRACE_FUNC
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CActiveScheduler::Stop();
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return KErrNone;
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}
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/**
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Get mass storage configuration data from the received message
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*/
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void CMscFileSession::GetMsConfigL( const RMessage2& aMessage,
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TMassStorageConfig& aMsStorage )
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{
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aMessage.ReadL( 0, aMsStorage.iVendorId );
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aMessage.ReadL( 1, aMsStorage.iProductId );
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aMessage.ReadL( 2, aMsStorage.iProductRev );
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}
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