--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mtpfws/mtpfw/inc/cmtpconnection.h	Tue Feb 02 01:11:40 2010 +0200
@@ -0,0 +1,204 @@
+// 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 CMTPCONNECTION_H
+#define CMTPCONNECTION_H
+
+#include <e32property.h>
+#include <e32base.h>
+#include <mtp/mmtpconnection.h>
+#include <mtp/mtpdataproviderapitypes.h>
+#include <mtp/tmtptypeevent.h>
+#include <mtp/tmtptyperesponse.h>
+#include <mtp/rmtpclient.h>
+
+#include "mmtpconnectionprotocol.h"
+#include "rmtpframework.h"
+#include "mtpdebug.h"
+#include "mtpbuildoptions.hrh"
+#include "mtpdebug.h"
+
+class CMTPSession;
+class MMTPTransportConnection;
+class TRequestStatus;
+class TMTPTypeRequest;
+class TMTPTypeFlatBase;
+
+#ifdef MTP_CAPTURE_TEST_DATA
+class CMTPRequestLogger;
+#endif
+
+/** 
+Implements the connection level portion of the MTP communication model and 
+associated transport layer protocol binding. This class Implements the API 
+portion (@see MMTPConnectionProtocol) of the transport layer API/SPI interface 
+pair by which MTP framework and transport protocol connections 
+(@see MMTPTransportConnection) interact. A unique @see CMTPConnection instance 
+is created and bound to each @see MMTPTransportConnection instance that is 
+loaded. 
+
+It also implements the data provider layer MTP connection interface 
+(@see MMTPConnection) which represents the virtual circuit between data provider 
+and the transport layer.
+@internalComponent
+ 
+*/
+class CMTPConnection : 
+    public CBase,
+    public MMTPConnection, 
+    public MMTPConnectionProtocol
+    {
+private:
+
+	class CMTPEventLink :
+		public CBase
+		{
+	public:
+		CMTPEventLink(const TMTPTypeEvent& aEvent);
+		
+	public:
+		TSglQueLink		iLink;
+		TMTPTypeEvent	iEvent;		
+		};
+    
+public:
+
+    static CMTPConnection* NewLC(TUint aConnectionId, MMTPTransportConnection& aTransportConnection);
+    ~CMTPConnection();
+
+    void ReceiveDataL(MMTPType& aData, const TMTPTypeRequest& aRequest, TRequestStatus& aStatus);
+    void SendDataL(const MMTPType& aData, const TMTPTypeRequest& aRequest, TRequestStatus& aStatus);
+    void SendEventL(const TMTPTypeEvent& aEvent);
+    void SendResponseL(const TMTPTypeResponse& aResponse, const TMTPTypeRequest& aRequest, TRequestStatus& aStatus);
+    IMPORT_C void SessionClosedL(TUint32 aSessionMTPId);
+    IMPORT_C void SessionOpenedL(TUint32 aSessionMTPId);
+    IMPORT_C TInt GetDataReceiveResult() const;
+    void ConnectionSuspended();
+    void ConnectionResumedL(MMTPTransportConnection& aTransportConnection);
+    void TransactionCompleteL(const TMTPTypeRequest& aRequest);
+    
+public: // From MMTPConnection & MMTPConnectionProtocol
+
+    TUint ConnectionId() const;
+    
+public: // From MMTPConnection
+
+    TUint SessionCount() const;
+    TBool SessionWithMTPIdExists(TUint32 aMTPId) const;
+    MMTPSession& SessionWithMTPIdL(TUint32 aMTPId) const;
+    TBool SessionWithUniqueIdExists(TUint32 aUniqueId) const;
+    MMTPSession& SessionWithUniqueIdL(TUint32 aUniqueId) const;
+    TMTPTransactionPhase TransactionPhaseL(TUint32 aMTPSessionId) const;
+	void DisconnectionNotifyL();
+
+private: // From MMTPConnectionProtocol
+
+    void ReceivedEventL(const TMTPTypeEvent& aEvent);
+    void ReceivedRequestL(const TMTPTypeRequest& aRequest);
+    void ReceiveDataCompleteL(TInt aErr, const MMTPType& aData, const TMTPTypeRequest& aRequest);
+    void SendDataCompleteL(TInt aErr, const MMTPType& aData, const TMTPTypeRequest& aRequest);
+    void SendEventCompleteL(TInt aErr, const TMTPTypeEvent& aEvent);
+    void SendResponseCompleteL(TInt aErr, const TMTPTypeResponse& aResponse, const TMTPTypeRequest& aRequest);
+	void Unbind(MMTPTransportConnection& aConnection);
+
+private:
+
+    CMTPConnection(TUint aConnectionId, MMTPTransportConnection& aTransportConnection);
+    void ConstructL();
+  
+    void InitiateMTPErrorRecoveryL(const TMTPTypeRequest& aRequest, TUint16 aResponseCode);
+    void MTPErrorRecoveryComplete();
+    void UnrecoverableMTPError();
+    
+    void InitiateTransactionCancelL(TInt aSessionIdx);
+    
+    TUint ActiveSessions() const;
+    void CloseAllSessions();
+    void CloseSession(TUint aIdx);
+    CMTPSession& SessionL(const TMTPTypeFlatBase& aDataset, TInt aSessionIdElementNo) const;
+    
+    static TInt SessionOrder(const TUint32* aL, const CMTPSession& aR);
+    static TInt SessionOrder(const CMTPSession& aL, const CMTPSession& aR);
+    
+    void SetState(TUint aState);
+    TUint State() const;
+    
+    TBool ValidFrameworkRequest(CMTPSession* aSession, TUint aValidStates, TRequestStatus* aStatus);
+    
+    void RemoveEventsForSession(TUint32 aMTPId);
+    
+    void EnqueueEvent(CMTPEventLink* aLink);
+    void DequeueEvent(CMTPEventLink* aLink);
+
+/**
+  * This method define and attach the property for publishing connection state 
+  *  events.
+  */
+    void DefineConnStatePropertyL(); 
+
+/**
+  * This method is to publish various connection state.
+  */
+    void PublishConnState(TMTPConnStateType aConnState);	
+
+    void ValidateAndPublishConnState(CMTPSession& aSession, TInt aState);
+	
+    
+private: // Owned
+  
+    enum TStates
+        {
+        EStateUnknown,
+        EStateOpen,
+        EStateErrorRecovery,
+        EStateErrorShutdown,
+        EStateShutdown
+        };
+
+    TUint                       iConnectionId;
+    RPointerArray<CMTPSession>  iSessions;
+    TUint                       iState;
+    RMTPFramework               iSingletons;
+    TAny*                       iExtendedInterface;
+    TMTPTypeResponse 			iResponse;
+    TSglQue<CMTPEventLink>		iEventQ;
+    TInt 						iPendingEventCount;   
+    TInt 						iDataReceiveResult;
+    /**
+    FLOGGER debug trace member variable.
+    */
+    __FLOG_DECLARATION_MEMBER_MUTABLE;
+    
+private: // Not owned
+
+    MMTPTransportConnection*    iTransportConnection;
+
+    //For publishing the connection state.
+    RProperty iProperty; 
+	
+    /**
+    Special build, capture request, data phase and responses to disk.
+    */
+#ifdef MTP_CAPTURE_TEST_DATA 
+    CMTPRequestLogger*          iRequestLogger;
+#endif
+    };
+    
+#endif // CMTPCONNECTION_H