usbmgmt/usbmgr/device/classdrivers/ncm/classcontroller/src/ncmconnectionmanagerhelper.cpp
author hgs
Wed, 07 Jul 2010 14:16:40 +0800
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/*
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* Copyright (c) 2010 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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 * @internalComponent
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 */
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#include <e32debug.h>
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#include "ncmconnectionmanagerhelper.h"
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#include "ncmiapconnectionobserver.h"
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#include "ncmconnectionmanager.h"
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// For OST tracing
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#include "OstTraceDefinitions.h"
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#ifdef OST_TRACE_COMPILER_IN_USE
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#include "ncmconnectionmanagerhelperTraces.h"
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#endif
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/**
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 * Constructor.
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 * @param aObserver The object which is interested in the IAP connection completion
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 * @param aConnection The reference of the NCM connection to be used
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 */
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CNcmConnectionManHelper::CNcmConnectionManHelper(MNcmConnectionObserver& aObserver,
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        RConnection& aConnection)
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    : CActive(CActive::EPriorityStandard)
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	, iObserver(aObserver)
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	, iConnection(aConnection) 
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	{
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	OstTraceFunctionEntryExt( CNCMCONNECTIONMANHELPER_CNCMCONNECTIONMANHELPER_ENTRY, this );
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	CActiveScheduler::Add(this);		
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	OstTraceFunctionExit1( CNCMCONNECTIONMANHELPER_CNCMCONNECTIONMANHELPER_EXIT, this );
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	}
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/**
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 * Destructor.
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 */
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CNcmConnectionManHelper::~CNcmConnectionManHelper()
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	{	
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	OstTraceFunctionEntry1( CNCMCONNECTIONMANHELPER_CNCMCONNECTIONMANHELPER_ENTRY_DESTRUCTOR, this );
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	if (IsActive())
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	    {
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	    Cancel();
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	    }
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	else
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	    {
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	    Stop();
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	    }
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	OstTraceFunctionExit1( CNCMCONNECTIONMANHELPER_CNCMCONNECTIONMANHELPER_ENTRY_DESTRUCTOR_EXIT, this );
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	}
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/**
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 * Start the connection.
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 * @param aPref NCM connect preference
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 */
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void CNcmConnectionManHelper::Start(TConnPref& aPref)
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	{	
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	OstTraceFunctionEntryExt( CNCMCONNECTIONMANHELPER_START_ENTRY, this );
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	if (!IsActive())
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		{
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		iConnection.Start(aPref, iStatus);
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		SetActive();
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		}
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	OstTraceFunctionExit1( CNCMCONNECTIONMANHELPER_START_EXIT, this );
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	}
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/**
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 * Stop the connection.
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 */
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void CNcmConnectionManHelper::Stop()
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	{
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    OstTraceFunctionEntry1( CNCMCONNECTIONMANHELPER_STOP_ENTRY, this );
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	TInt err = iConnection.Stop(RConnection::EStopAuthoritative);
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	OstTrace1( TRACE_NORMAL, CNCMCONNECTIONMANHELPER_STOP_RETURN_CODE, "Return code from Stop() is:;err=%d", err );
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	OstTraceFunctionExit1( CNCMCONNECTIONMANHELPER_STOP_EXIT, this );
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	}
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/**
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 * Implements cancellation of an outstanding request.
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 */
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void CNcmConnectionManHelper::DoCancel()
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	{
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    OstTraceFunctionEntry0( CNCMCONNECTIONMANHELPER_DOCANCEL_ENTRY );
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	TInt err = iConnection.Stop(RConnection::EStopAuthoritative);
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    OstTrace1( TRACE_NORMAL, CNCMCONNECTIONMANHELPER_DOCNCEL, "Return code from Stop() is:;err=%d", err );
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	OstTraceFunctionExit0( CNCMCONNECTIONMANHELPER_DOCANCEL_EXIT );
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	}
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/**
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 * Called when connection completed.
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 */
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void CNcmConnectionManHelper::RunL()
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	{	
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	OstTraceFunctionEntry0( CNCMCONNECTIONMANHELPER_RUNL_ENTRY );
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	iObserver.MicoHandleConnectionComplete(iStatus.Int());
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	OstTraceFunctionExit0( CNCMCONNECTIONMANHELPER_RUNL_EXIT );
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	}