datacommsserver/esockserver/test/providers/dummy/inc/dummypr_mcprpubsubsubscriber.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Mon, 18 Jan 2010 21:26:35 +0200
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Revision: 201003 Kit: 201003
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// Copyright (c) 2007-2009 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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 @file
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 @internalTechnology
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 @prototype
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*/
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#ifndef _DUMMYPR_MCPrPUBSUBSUBSCRIBER_H_
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#define _DUMMYPR_MCPrPUBSUBSUBSCRIBER_H_
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#include <e32property.h>
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#include <e32base.h>
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#include <elements/nm_messages_base.h>
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#include <comms-infras/ss_nodemessages.h>
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#include <comms-infras/ss_mmcommsprov.h>
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#include <comms-infras/ss_metaconnprov.h>
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NONSHARABLE_CLASS(CMCPrPubSubSubscriber) : public CActive, public Messages::ASimpleNodeIdBase
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	{
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public:
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	static CMCPrPubSubSubscriber* NewL(const ESock::CMetaConnectionProviderBase& aProvBase, TUint aStopCode);
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	void StartAvailabilityMonitoringL(const Messages::TNodeCtxId& aAvailabilityActivity);
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	void CancelAvailabilityMonitoring();
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	virtual ~CMCPrPubSubSubscriber();
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    enum
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    {
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		KStart			= 1, // Causes a TStart message to be issued
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		KBlockingStop   = 2, // Causes a TStop to be issued and increments the blocking count to stop the node from being cleaned up.
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		KStop	        = 3  // Causes a TStop to be issued;
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	};
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    enum { EAvailabilityTestingPubSubUid = 0x10272F42 };  
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    virtual void ReceivedL(const Messages::TRuntimeCtxId& /*aSender*/, const Messages::TNodeId& /*aRecipient*/, Messages::TSignatureBase& aMessage)
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        {
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        //This object is only a node because its host needs an TCFClientType::EAvailabilityProvider, which
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        //can't be the same as the node.
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        //Unfortunatelly the CAvailabilityActivity is really persistent when it comes to sending TCancel to
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        //availability providers. This can't be avoided here for now.
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        if (!aMessage.IsMessage<Messages::TEBase::TCancel>())
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            {
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            ASSERT(EFalse);
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            }
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        }
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private:
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	CMCPrPubSubSubscriber(const ESock::CMetaConnectionProviderBase& aProvBase, TUint aStopCode);
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	void StartL();
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	void RunL();
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	TInt RunError(TInt aError);
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	void DoCancel();
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private:
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    const ESock::CMetaConnectionProviderBase& iNode;
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	TInt iStopCode;
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	RProperty iProperty;
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	TBool iBlocking;
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	//the availablity activity subscribing for pubsub availablity changes.
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	Messages::TNodeCtxId iAvailabilityActivity;
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	};
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#endif // _DUMMYPR_MCPrPUBSUBSUBSCRIBER_H_