--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmresourcemgmt/mmresctrl/inc/mmrcserversession.h	Tue Feb 02 01:56:55 2010 +0200
@@ -0,0 +1,301 @@
+// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+//
+
+#ifndef MMRCSERVERSESSION_H__
+#define MMRCSERVERSESSION_H__
+
+#include <e32std.h>
+#include <e32base.h>
+#include <a3f/a3fbase.h>
+#include <e32msgqueue.h>
+#include "mmrcclientserver.h"
+
+/**
+* @file
+* @internalTechnology
+*/
+
+class MMultimediaResourceControlObserver;
+class MLogicalChain;
+class CFourCCConvertor;
+class MAudioContext;
+class CMMRCServerController;
+class CMMRCServerSession;
+class CMMRCClientSideServerRequestToAdaptationAO;
+class CMMRCServerSideAdaptationResponseAO;
+class CAudioContext;
+
+enum TMMRCServerSessionRequestType
+	{
+	ENormalRequest, 
+	EPreemptionRequest, 
+	};
+
+/**
+Panic category and codes that MMRCServerSession raises on the client
+*/
+_LIT(KMMRCServerSessionPanicCategory, "MMRCServerSession");
+
+enum TMMRCServerSessionPanicCodes
+	{
+	ECloneLeftWhenSendingResponseToClient =1,
+	EMsgQueueFailedToSendMsg
+	};
+
+/**
+@internalComponent
+This class implements the MMRC Server Session. 
+*/
+NONSHARABLE_CLASS(CMMRCServerSession) : public CSession2
+	{
+	//friend class CTimeoutClientAcknowledment;
+public:
+	/**
+	 * Constructs, and returns a pointer to, a new CMMRCServerSession object.
+	 * Leaves on failure.
+	 * @param CMMRCServerController& A reference on the MMRC Server controller
+	 * @param CFourCCConvertor& A reference to the Fourcc to format converter 	 
+	 * @return CMMRCServerSession* A pointer to newly created utlitly object.
+	 */
+	static CMMRCServerSession* NewL(CMMRCServerController& aMMRCServerController, 
+									const CFourCCConvertor& aFourCCConvertor);
+
+	/**
+	 * Constructs, leaves object on the cleanup stack, and returns a pointer
+	 * to, a new CMMRCServerSession object.
+	 * Leaves on failure.
+	 * @param CMMRCServerController& A reference on the MMRC Server controller
+	 * @param CFourCCConvertor& A reference to the Fourcc to format converter 	 
+	 * @return CMMRCServerSession* A pointer to newly created utlitly object.
+	 */
+	static CMMRCServerSession* NewLC(CMMRCServerController& aMMRCServerController, 
+									const CFourCCConvertor& aFourCCConvertor);
+
+	/**
+	 * Destructor.
+	 */
+	~CMMRCServerSession();
+
+
+	/**
+	 * from CSession2
+	 * @param aMessage - Function and data for the session
+	 */	
+	void ServiceL(const RMessage2& aMessage);  
+	
+	/*
+	 * 
+	 */
+	void StartProcessL();
+
+	/*
+	 * 
+	 */
+	void StartPreemptionL();
+
+	/**
+	 * Callback on a resource request
+	 * @param TMMRCServerToClientMessageResults aResult the result on the request
+	 * @leave
+	 */
+	void AdaptationRequestAcknowledgment(TMMRCAdaptationToServerRequestResults aResult, TInt aError);
+
+	/**
+	 * Notify all the paused client that a resource has been unallocated
+	 */
+	void NotifyClientResourceUnallocated();
+
+	/**
+	 * return the current committed chain (const)
+	 * @return the current committed chain
+	 */
+	const MLogicalChain* LogicalChainRequested() const;
+	
+	/**
+	 * return the current committed chain (const)
+	 * @return the current committed chain
+	 */
+	const MLogicalChain* LogicalChainRequestedStack() const;
+
+	/**
+	 * return the last committed chain (const)
+	 * @return the last committed chain
+	 */
+	const MLogicalChain* LogicalChainLastCommited() const;
+
+	/*
+	 * 
+	 */
+	const MAudioContext* AudioContext() const;
+	
+	/**
+	 * return the current committed chain
+	 * @return the current committed chain
+	 */
+	MLogicalChain* LogicalChainRequested();
+	
+	/**
+	 * return the current committed chain
+	 * @return the current committed chain
+	 */
+	MLogicalChain* LogicalChainRequestedStack();
+
+	/**
+	 * return the last committed chain
+	 * @return the last committed chain
+	 */
+	MLogicalChain* LogicalChainLastCommited();
+
+	/**
+	 * 
+	 */		
+	CMMRCClientSideServerRequestToAdaptationAO* AdaptationProxy();
+	
+	
+	CMMRCServerSideAdaptationResponseAO* ServerProxy();
+	/**
+	 * 
+	 */		
+	TUint64 ContextId();
+
+	/**
+	 * 
+	 */		
+	TBool HasMultimediaCapability() const;
+	
+	/**
+	 * 
+	 */		
+	void Clean();
+
+	/**
+	 * 
+	 */		
+	TBool IsServerShuttingDown();
+
+	TInt RequestsSent();
+	
+	TInt SendRequestToAdaptation(TMMRCServerSessionRequestType aRequestType);
+
+	TInt GetPriority() const;
+
+	/**
+	 * 
+	 */		
+	TBool HasUserEnvironmentCapability();
+	
+	/*
+	 * 
+	 */
+	TInt NotifyClientOfError(TInt aError);
+	
+protected:
+
+	void IncrementRequestsSent();
+
+	/*
+	 * 
+	 */
+	void Disconnect(const RMessage2& aMessage);
+	
+private:
+
+	//Constructor
+	/**
+	 * By default Symbian 2nd phase constructor is private.
+	 * @param CMMRCServerController& A reference on the MMRC Server controller
+	 * @param CFourCCConvertor& A reference to the Fourcc to format converter 	 
+	 */
+	CMMRCServerSession(CMMRCServerController& aMMRCServerController, 
+						const CFourCCConvertor& aFourCCConvertor);
+	
+	/**
+	 * By default Symbian 2nd phase constructor is private.
+	 */
+	void ConstructL();
+	
+	/**
+	 * Dispatch the message received from ServeL
+	 * EMMRCClientToServerSetMsgQueueHandle - Initialise the queue handler
+	 * EMMRCClientToServerMessage - Process a message from the client
+	 * EMMRCClientToServerMessageUpdate - Process a message update from the client
+	 * EMMRCClientToServerMessageAcknowledgement - Process the acknowldgement from the client
+	 * @param aMessage - Function and data for the session
+	 * @return error code
+	 * @leave in case of writeL leave or request leave
+	 */	
+	TInt DispatchMessageL(const RMessage2& aMessage);
+	
+	/*
+	 * 
+	 */
+	TInt EnqueueRequestL(const RMessage2& aMessage);
+
+	/*
+	 * 
+	 */
+	void PreProcessRequestL(const RMessage2& aMessage);
+	
+	
+	/*
+	 * 
+	 */
+	void ProcessResourceDataRequestL(const RMessage2& aMessage);
+	
+	/*
+	 * 
+	 */
+	void SendRequestResponseToClient(TMMRCQueueItem& messageItem);
+
+	/*
+	 * 
+	 */
+	void SendPreemptionNotificationToClient(TMMRCQueueItem& messageItem);
+	
+	
+	/*
+	 * 
+	 */
+	void Panic(TMMRCServerSessionPanicCodes aCode);
+
+private:
+	RMsgQueue<TMMRCQueueItem> iMsgQueue;			//
+	CMMRCServerController& iMMRCServerController;	// a reference on the MMRC Server controller
+	//RThread iClientThread;
+	RThread iServerThread;
+	RThread iClientThread;
+	TBool iShutdown;
+	//owned
+	CMMRCServerSideAdaptationResponseAO* iMMRCServerSideAdaptationResponseAO;
+	MLogicalChain* iLogicalChainRequestedStack;			// the new committed chain
+	MLogicalChain* iLogicalChainLastCommitedStack;		// the last committed
+	MLogicalChain* iLogicalChainRequested;			// the new committed chain
+	MLogicalChain* iLogicalChainLastCommited;		// the last committed
+	MLogicalChain* iLogicalChainRequestResponse;			// A copy of the chain for client response
+	MLogicalChain* iLogicalChainPreemptionNotification;	// A copy of the chain for preemption notification to the client
+
+	//not owned (can be null pointers)
+	CAudioContext* iAudioContext;
+	const CFourCCConvertor* iFourCCConvertor;
+	CMMRCClientSideServerRequestToAdaptationAO* iMMRCClientSideServerRequestToAdaptationAO;
+
+	//not own
+	TInt32 iContextId;
+	TInt32 iRequestsSent;
+	TBool iClientHasMMCapability;
+	TBool iClientHasUECapability;
+	};
+
+#endif //__MMRCSERVERSESSION_H__