mtpfws/mtpfw/dataproviders/proxydp/src/cmtpgetobjectpropssupported.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Wed, 31 Mar 2010 22:58:56 +0300
branchRCL_3
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parent 0 d0791faffa3f
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permissions -rw-r--r--
Revision: 201004 Kit: 201013
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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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//
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#include <mtp/tmtptyperequest.h>
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#include <mtp/mmtpdataproviderframework.h>
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#include <mtp/mtpprotocolconstants.h>
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#include <mtp/cmtpdataproviderplugin.h>
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#include <mtp/cmtptypearray.h>
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#include "rmtpframework.h"
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#include "cmtpdataprovidercontroller.h"
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#include "cmtpparserrouter.h"
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#include "cmtpdataprovider.h"
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#include "cmtpgetobjectpropssupported.h"
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#include "mtpproxydppanic.h"
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/**
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Factory method.
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@param aFramework	The data provider framework
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@param aConnection	The connection from which the request comes
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@return a pointer to the created request processor object.
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*/ 
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MMTPRequestProcessor* CMTPGetObjectPropsSupported::NewL(MMTPDataProviderFramework& aFramework, MMTPConnection& aConnection)
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	{
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	CMTPGetObjectPropsSupported* self = new (ELeave) CMTPGetObjectPropsSupported(aFramework, aConnection);
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    CleanupStack::PushL(self);
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    self->ConstructL();
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    CleanupStack::Pop(self);
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	return self;
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	}
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/**
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Destructor.
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*/	
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CMTPGetObjectPropsSupported::~CMTPGetObjectPropsSupported()
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	{
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	iObjectPropsSupported.Reset();
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	delete iDataset;
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    iTargetDps.Close();
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	iSingletons.Close();
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	}
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/**
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GetObjectPropsSupported request handler. Obtains a list of all the data providers
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that support the request, then starts an active object to send it to them all.
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*/	
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void CMTPGetObjectPropsSupported::ServiceL()
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	{
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	iObjectPropsSupported.Reset();
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	iTargetDps.Reset();
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	CMTPParserRouter& router(iSingletons.Router());
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    CMTPParserRouter::TRoutingParameters params(*iRequest, iConnection);
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    router.ParseOperationRequestL(params);
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    router.RouteOperationRequestL(params, iTargetDps);
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	iCurrentTarget = 0;	
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	Schedule(KErrNone);
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	}
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void CMTPGetObjectPropsSupported::ProxyReceiveDataL(MMTPType& /*aData*/, const TMTPTypeRequest& /*aRequest*/, MMTPConnection& /*aConnection*/, TRequestStatus& /*aStatus*/)
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	{	
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	Panic(EMTPWrongRequestPhase);
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	}
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#ifdef _DEBUG	
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void CMTPGetObjectPropsSupported::ProxySendDataL(const MMTPType& aData, const TMTPTypeRequest& aRequest, MMTPConnection& aConnection, TRequestStatus& aStatus)
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#else
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void CMTPGetObjectPropsSupported::ProxySendDataL(const MMTPType& aData, const TMTPTypeRequest& /*aRequest*/, MMTPConnection& /*aConnection*/, TRequestStatus& aStatus)
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#endif
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	{
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	__ASSERT_DEBUG(((iRequest == &aRequest) && (&iConnection == &aConnection)), Panic(EMTPNotSameRequestProxy));
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	__ASSERT_DEBUG(aData.Type() == EMTPTypeAUINT16, Panic(EMTPInvalidDataType));
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	const CMTPTypeArray& KProperties(static_cast<const CMTPTypeArray&>(aData));
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	const TInt KCountProperties(KProperties.NumElements());
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	for (TUint i(0); (i < KCountProperties); i++)
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		{
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		const TInt KErr(iObjectPropsSupported.InsertInOrder(KProperties.ElementUint(i)));
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		if ((KErr != KErrNone) &&
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		    (KErr != KErrAlreadyExists))
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		    {
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		    User::Leave(KErr);
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		    }
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		}
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	TRequestStatus* status(&aStatus);
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	User::RequestComplete(status, KErrNone);	
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	}
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#ifdef _DEBUG	
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void CMTPGetObjectPropsSupported::ProxySendResponseL(const TMTPTypeResponse& aResponse, const TMTPTypeRequest& aRequest, MMTPConnection& aConnection, TRequestStatus& aStatus)
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#else
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void CMTPGetObjectPropsSupported::ProxySendResponseL(const TMTPTypeResponse& aResponse, const TMTPTypeRequest& /*aRequest*/, MMTPConnection& /*aConnection*/, TRequestStatus& aStatus)
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#endif
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	{
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	__ASSERT_DEBUG(((iRequest == &aRequest) && (&iConnection == &aConnection)), Panic(EMTPNotSameRequestProxy));
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	MMTPType::CopyL(aResponse, iResponse);
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	TRequestStatus* status(&aStatus);
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	User::RequestComplete(status, KErrNone);
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	}
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   111
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#ifdef _DEBUG		
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void CMTPGetObjectPropsSupported::ProxyTransactionCompleteL(const TMTPTypeRequest& aRequest, MMTPConnection& aConnection)
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#else
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void CMTPGetObjectPropsSupported::ProxyTransactionCompleteL(const TMTPTypeRequest& /*aRequest*/, MMTPConnection& /*aConnection*/)
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#endif
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	{
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	__ASSERT_DEBUG(((iRequest == &aRequest) && (&iConnection == &aConnection)), Panic(EMTPNotSameRequestProxy));
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    TInt err((iResponse.Uint16(TMTPTypeResponse::EResponseCode) == EMTPRespCodeOK) ? KErrNone : KErrGeneral);    
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    if (err == KErrNone)
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        {
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        iCurrentTarget++;
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        }
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    Schedule(err);
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	}	
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/**
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Sends the request to all the data providers that expressed an interest,
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one each iteration of the active object.
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*/
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void CMTPGetObjectPropsSupported::RunL()
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	{
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	// We cannot use assertion here, because it might be completed with KErrGeneral. See ProxyTransactionCompleteL()
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    if (iStatus == KErrNone)
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        {
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        if (iCurrentTarget < iTargetDps.Count())   
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            {
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            const TUint KTarget(iTargetDps[iCurrentTarget]);
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            iSingletons.DpController().DataProviderL(KTarget).ExecuteProxyRequestL(*iRequest, Connection(), *this);
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            }
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        else
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    		{
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    		delete iDataset;
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    		iDataset = NULL;
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    		iDataset = CMTPTypeArray::NewL(EMTPTypeAUINT16, iObjectPropsSupported);
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			SendDataL(*iDataset);
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			}
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		}
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    else
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        {
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        SendResponseL(iResponse.Uint16(TMTPTypeResponse::EResponseCode));
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        } 	
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	}
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/**
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Constructor.
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*/	
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CMTPGetObjectPropsSupported::CMTPGetObjectPropsSupported(MMTPDataProviderFramework& aFramework, MMTPConnection& aConnection) :
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    CMTPRequestProcessor(aFramework, aConnection, 0, NULL)
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	{
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   161
	
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	}
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/**
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Second phase constructor.
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*/
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void CMTPGetObjectPropsSupported::ConstructL()
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    {
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    iSingletons.OpenL();
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    }
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/**
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Completes the current asynchronous request with the specified 
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completion code.
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@param aError The asynchronous request completion request.
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*/
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void CMTPGetObjectPropsSupported::Schedule(TInt aError)
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	{
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	TRequestStatus* status(&iStatus);
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	User::RequestComplete(status, aError);
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	SetActive();
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	}
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/**
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Sends a response to the initiator.
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@param aCode MTP response code
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*/
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void CMTPGetObjectPropsSupported::SendResponseL(TUint16 aCode)
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    {
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    const TMTPTypeRequest& req(Request());
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    iResponse.SetUint16(TMTPTypeResponse::EResponseCode, aCode);
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    iResponse.SetUint32(TMTPTypeResponse::EResponseSessionID, req.Uint32(TMTPTypeRequest::ERequestSessionID));
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    iResponse.SetUint32(TMTPTypeResponse::EResponseTransactionID, req.Uint32(TMTPTypeRequest::ERequestTransactionID));
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    iFramework.SendResponseL(iResponse, req, Connection());
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    }