diff -r 000000000000 -r d0791faffa3f mtpfws/mtpfw/inc/cmtpsession.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mtpfws/mtpfw/inc/cmtpsession.h	Tue Feb 02 01:11:40 2010 +0200
@@ -0,0 +1,100 @@
+// Copyright (c) 2006-2009 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:
+//
+
+/**
+ @file
+ @internalComponent
+*/
+
+#ifndef CMTPSESSION_H
+#define CMTPSESSION_H
+
+#include <e32base.h>
+#include <mtp/mmtpsession.h>
+#include <mtp/tmtptyperequest.h>
+#include <mtp/tmtptypeevent.h>
+
+#include "mtpdebug.h"
+
+/** 
+Implements the session level portion of the MTP communication model. It also 
+implements the data provider layer MTP session interface (@see MMTPSession).
+@internalComponent
+ 
+*/
+class CMTPSession : 
+    public CBase,
+    public MMTPSession
+    {
+public:
+
+    static CMTPSession* NewLC(TUint32 aMTPId, TUint aUniqueId);
+    ~CMTPSession();    
+    
+    TUint32 ExpectedTransactionId() const;
+    void IncrementExpectedTransactionId();
+    
+    void SetActiveRequestL(const TMTPTypeRequest& aRequest);
+    void SetTransactionPhase(TMTPTransactionPhase aPhase);
+    TMTPTransactionPhase TransactionPhase() const;
+    TInt RouteRequest(const TMTPTypeRequest& aRequest);
+    void RouteRequestRegisterL(const TMTPTypeRequest& aRequest, TInt aDpId);
+    TBool RouteRequestRegistered(TUint16 aOpCode) const;
+    void RouteRequestUnregister(const TMTPTypeRequest& aRequest);
+    TBool CheckPendingEvent(const TMTPTypeRequest& aRequest) const;
+    void StorePendingEventL(const TMTPTypeEvent& aEvent);
+    const TMTPTypeEvent& PendingEvent() const;
+    
+    void CompletePendingRequest(TInt aErr);
+    TBool RequestPending() const;
+    void SetRequestPending(TRequestStatus& aStatus);
+
+public: // From MMTPSession
+
+    const TMTPTypeRequest& ActiveRequestL() const;
+    TUint32 SessionMTPId() const;
+    TUint SessionUniqueId() const;
+    TAny* GetExtendedInterface(TUid aInterfaceUid);
+    
+private:
+
+    CMTPSession(TUint32 aMTPId, TUint aUniqueId);
+    void ConstructL();
+    
+    static TBool RouteRequestMatchOpCode(const TUint16* aOpCode, const TMTPTypeRequest& aRequest);
+    static TInt RouteRequestOrder(const TMTPTypeRequest& aLeft, const TMTPTypeRequest& aRight);
+    
+private: // Owned
+
+    /**
+    FLOGGER debug trace member variable.
+    */
+    __FLOG_DECLARATION_MEMBER_MUTABLE;
+
+    TUint32                 iExpectedTransactionId;
+    TUint32                 iIdMTP;
+    TUint                   iIdUnique;
+    TMTPTransactionPhase    iTransactionPhase;
+    RArray<TMTPTypeRequest> iRoutingRegistrations;
+    TAny*                   iExtendedInterface;
+    TMTPTypeEvent           iPendingEvent;
+    TMTPTypeRequest         iActiveRequest;
+    
+private: // Not owned
+
+    TRequestStatus*         iRequestStatus;
+    };
+
+#endif // CMTPSESSION_H