upnpavcontrolpoint/avcpengine/src/upnpavcpmanager.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Wed, 18 Aug 2010 10:02:50 +0300
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permissions -rw-r--r--
Revision: 201031 Kit: 201033
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/** @file
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* Copyright (c) 2005-2006 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:  CUpnpAVCPManager
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*
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*/
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// INCLUDE FILES
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#include "upnpavcpmanager.h"
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#include "upnpavcpenginehelper.h"
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#include "upnppathresolver.h"
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#include "upnpresponsehandler.h"
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#include "upnpmdebug.h"
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#include "upnpavcpenginecommon.h"
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// -----------------------------------------------------------------------------
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// CUpnpAVCPManager::NewL
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// Creates an instance of the implementation.
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// -----------------------------------------------------------------------------
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CUpnpAVCPManager* CUpnpAVCPManager::NewL()
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	{ 
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	CUpnpAVCPManager* self = new (ELeave) CUpnpAVCPManager(NULL);
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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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// CUpnpAVCPManager::CUpnpAVCPManager
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// First phase construction.
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// -----------------------------------------------------------------------------
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CUpnpAVCPManager::CUpnpAVCPManager(MUpnpAVControlPointObserver* aObserver):CUpnpAVControlPoint((MUpnpAVControlPointObserver&)aObserver)
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	{
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	}
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// -----------------------------------------------------------------------------
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// CUpnpAVCPManager::ConstructL
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// Second phase construction.
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// -----------------------------------------------------------------------------
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void CUpnpAVCPManager::ConstructL()
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	{	    
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    _LIT8( KMediaServer, "MediaServer" );
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	//CUpnpControlPoint::ConstructL( KMediaServer, value );	
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	CUpnpControlPoint::ConstructL( KMediaServer );	
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	InitializeCdsActionFactoryL();
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	// maybe we should look for something different??
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	TPtrC8 devicePtr;
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    devicePtr.Set( UpnpSSDP::KSearchTargetAll );
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    //SSDP search for mediaserver UPnP devices
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	DEBUGSTRING(("Search for devices"));    
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	SearchL( devicePtr );
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	}
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// -----------------------------------------------------------------------------
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// Destructor.
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// -----------------------------------------------------------------------------
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CUpnpAVCPManager::~CUpnpAVCPManager()
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	{
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	iPendingHandlers.Reset();
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	iHttpPendingHandlers.Reset();
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	iPathResolvers.ResetAndDestroy();    
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	}
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// -----------------------------------------------------------------------------
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// CUpnpAVCPManager::NewCommandId
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// return new command id
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// -----------------------------------------------------------------------------	
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TInt CUpnpAVCPManager::NewCommandId() 
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	{
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	return ++iLastCommandId;
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	}	
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// -----------------------------------------------------------------------------
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// CUpnpAVCPManager::PathResolver
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// return resolver or creates a new one
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// -----------------------------------------------------------------------------	
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CUpnpPathResolver& CUpnpAVCPManager::PathResolverL(const TDesC8& aUUID, CUpnpAVCPEngineSession* aSession) 
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    {
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    CUpnpPathResolver* resolver = CUpnpPathResolver::NewL(*this,aUUID);
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    CleanupStack::PushL(resolver);
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    TIdentityRelation<CUpnpPathResolver> matcher( CUpnpPathResolver::Match );
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	TInt idx = iPathResolvers.Find( resolver, matcher ); 
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	if (idx != KErrNotFound)   
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    	{
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	    CleanupStack::PopAndDestroy(resolver);	
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	    resolver = iPathResolvers[idx];
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    	}
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	else 
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    	{	    
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	    //subscribe
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	    CUpnpDevice* device = const_cast<CUpnpDevice*>(Device(aUUID));
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	    if (device) 
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	    	{
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	        CUpnpService* service  = Service(device, UpnpAVCPEngine::KContentDirectory);
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			DEBUGSTRING8(("Subscribe for events"));	        
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	        SubscribeL( service );
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	    	} 
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	    else 
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	    	{
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	    	User::Leave(KErrNotFound);
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	    	}
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	    CleanupStack::Pop(resolver);	
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	    iPathResolvers.Append(resolver);	    
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    	}  
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    resolver->RegisterSession(aSession);	
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    return *resolver;	
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    }
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// -----------------------------------------------------------------------------
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// CUpnpAVCPManager::CleanupSession
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// cleanup after closed client session
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// -----------------------------------------------------------------------------		
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void CUpnpAVCPManager::CleanupSessionL( CUpnpAVCPEngineSession* aSession) 
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	{
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	DEBUGSTRING8(("CleanupSessionL"));	        	
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    for (TInt i = 0; i < iPathResolvers.Count(); i++ ) 
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    {
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        if (iPathResolvers[i]->UnregisterSession(aSession) == 0 ) 
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        {
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            //unsubscribe
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            CUpnpDevice* device = const_cast<CUpnpDevice*>(Device(iPathResolvers[i]->UUID()));
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	        if (device) 
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	        {
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	            CUpnpService* service  = Service(device, UpnpAVCPEngine::KContentDirectory);
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	            DEBUGSTRING8(("UnsubscribeL for events"));
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	            UnsubscribeL( service );
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	        }
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            //remove
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            delete iPathResolvers[i];
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            iPathResolvers.Remove(i);
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            i--;
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        }
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    }    
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	}
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// -----------------------------------------------------------------------------
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// CUpnpAVCPManager::RegisterForAction
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// register for get action responses
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// -----------------------------------------------------------------------------			
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void CUpnpAVCPManager::RegisterForAction(MUpnpResponseHandler& aHandler)	 
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  {
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      iPendingHandlers.Append(&aHandler);
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  }
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// -----------------------------------------------------------------------------
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// CUpnpAVCPManager::HandlerBySessionId
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// return index of handler for specific session
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// -----------------------------------------------------------------------------	
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TInt CUpnpAVCPManager::HandlerBySessionId(TInt aSessionId) 
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    {
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    TInt i = KErrNotFound;
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    for ( i=0; i < iPendingHandlers.Count() && iPendingHandlers[i]->SessionId() != aSessionId; i++ )
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    {}
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    if ( i != iPendingHandlers.Count() )
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        {
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        return i;
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        }
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    return KErrNotFound;   
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    }
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// -----------------------------------------------------------------------------
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// CUpnpAVCPManager::HandlerBySessionId
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// return index of handler for specific session
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// -----------------------------------------------------------------------------	
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void CUpnpAVCPManager::RegisterForHttp(MUpnpHttpResponseHandler& aHandler)	 
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    {
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    iHttpPendingHandlers.Append(&aHandler);
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    }
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// -----------------------------------------------------------------------------
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// CUpnpAVCPManager::HandlerBySessionId
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// return index of handler for specific session
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// -----------------------------------------------------------------------------	    
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void CUpnpAVCPManager::UnregisterForHttp(MUpnpHttpResponseHandler& aHandler)	 
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    {
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    TInt index = iHttpPendingHandlers.Find(&aHandler);
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    if (index != KErrNotFound) 
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        {
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        iHttpPendingHandlers.Remove(index);    
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        }        
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    }    
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// -----------------------------------------------------------------------------
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// CUpnpAVCPManager::HandlerBySessionId
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// return index of handler for specific session
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// -----------------------------------------------------------------------------	
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TInt CUpnpAVCPManager::HttpHandlerBySessionId(TInt aSessionId) 
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    {
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    TInt i = KErrNotFound;
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   215
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    for ( i=0; i < iHttpPendingHandlers.Count() && iHttpPendingHandlers[i]->SessionId() != aSessionId; i++ )
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    {}
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   218
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    if ( i != iHttpPendingHandlers.Count() )
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        {
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            return i;
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        }
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    return KErrNotFound;   
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   224
    }
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   225
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// -----------------------------------------------------------------------------
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// CUpnpAVCPManager::HandlerBySessionId
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// return index of handler for specific session
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// -----------------------------------------------------------------------------	
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void CUpnpAVCPManager::ActionResponseReceivedL(CUpnpAction* aAction) 
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    {
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    TInt sessionId = aAction->SessionId();	
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    TInt index = HandlerBySessionId(sessionId);
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    if (index != KErrNotFound) 
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        {
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        MUpnpResponseHandler* handler = iPendingHandlers[index];
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        iPendingHandlers.Remove(index);        
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        handler->InterpretL(aAction->Error(), aAction);    
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        }
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    }
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// -----------------------------------------------------------------------------
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// CUpnpAVCPManager::StateUpdatedL
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//  Handles UPnP device events.
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// -----------------------------------------------------------------------------	
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void CUpnpAVCPManager::StateUpdatedL(CUpnpService*  aService) 
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    {
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    CUpnpPathResolver* resolver = CUpnpPathResolver::NewL(*this,aService->Device().Uuid());
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    CleanupStack::PushL(resolver);
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    TIdentityRelation<CUpnpPathResolver> matcher( CUpnpPathResolver::Match );
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	TInt idx = iPathResolvers.Find( resolver, matcher ); 
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	CleanupStack::PopAndDestroy(resolver);	    	    	
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	if (idx != KErrNotFound)   
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    	{	   
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	    CUpnpStateVariable* systemUpdateId = aService->StateVariable( UpnpAVCPEngine::KSystemUpdateID );
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        if (systemUpdateId) 
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            {
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            (iPathResolvers[idx])->StateChangedL(systemUpdateId->Value()); 
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            }
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    	}
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    }
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// --------------------------------------------------------------------------
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// CUpnpAVCPManager::HttpResponseReceivedL
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// Handles HTTP messages.
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// --------------------------------------------------------------------------
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void CUpnpAVCPManager::HttpResponseReceivedL(CUpnpHttpMessage* aMessage)
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    {
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    TInt sessionId = aMessage->SessionId();    
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    TInt index = HttpHandlerBySessionId(sessionId);
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    if (index != KErrNotFound) 
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        {
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        MUpnpHttpResponseHandler* handler = iHttpPendingHandlers[index];        
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        handler->InterpretL(aMessage->Error(), aMessage);    
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        } 
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    else 
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    	{
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    	index = index;
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       	}   
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    }
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// --------------------------------------------------------------------------
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// CUpnpAVCPManager::DeviceDiscoveredL
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// Handles UPnP device discoveries.
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// --------------------------------------------------------------------------
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void CUpnpAVCPManager::DeviceDiscoveredL(CUpnpDevice* aDevice)
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    {
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	TPtrC8 uuid = aDevice->Uuid();    
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	TPtrC8 fn = aDevice->DescriptionProperty(KAVCPEngineFriendlyName);    	
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	DEBUGSTRING8(("DeviceDiscoveredL %S %S", &uuid, &fn));     
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    }
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// --------------------------------------------------------------------------
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// CUpnpAVCPManager::DeviceDisappearedL(
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// Handles UPnP device disappears.
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// --------------------------------------------------------------------------
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void CUpnpAVCPManager::DeviceDisappearedL(CUpnpDevice* aDevice)
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    {
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	TPtrC8 uuid = aDevice->Uuid();
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	DEBUGSTRING8(("DeviceDiscoveredL %S", &uuid));     
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    CUpnpPathResolver* resolver = CUpnpPathResolver::NewL(*this,aDevice->Uuid());
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    CleanupStack::PushL(resolver);
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    TIdentityRelation<CUpnpPathResolver> matcher( CUpnpPathResolver::Match );
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	TInt idx = iPathResolvers.Find( resolver, matcher ); 
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	CleanupStack::PopAndDestroy(resolver);	    	    	
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	if (idx != KErrNotFound)   
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		{    	    
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		   delete iPathResolvers[idx];   
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		   iPathResolvers.Remove(idx);
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		}	        
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    }
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// end of file
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   323
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   324