--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mtpfws/mtpfw/transports/transportapi/inc/mmtpconnectionprotocol.h	Tue Feb 02 01:11:40 2010 +0200
@@ -0,0 +1,134 @@
+// 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
+ @internalTechnology
+*/
+
+#ifndef MMTPCONNECTIONPROTOCOL_H
+#define MMTPCONNECTIONPROTOCOL_H
+
+#include <e32cmn.h>
+#include <e32def.h>
+#include <mtp/mtpdataproviderapitypes.h>
+
+class MMTPType;
+class TMTPTypeEvent;
+class TMTPTypeRequest;
+class TMTPTypeResponse;
+class MMTPTransportConnection;
+
+/** 
+Defines the MTP connection protocol layer interface.
+
+@internalTechnology
+  
+*/
+class MMTPConnectionProtocol
+    {
+public:
+
+    /**
+    Provides the unique MTP protocol layer assigned identifier of the
+    connection.
+    @return The MTP protocol layer assigned connection identifier.
+    */
+    virtual TUint ConnectionId() const = 0;
+
+    /**
+    Signals the availability of an MTP event data object received from the MTP
+    transport layer connection.
+    @param aEvent The received MTP event data object.
+    @leave One of the system wide error codes, if a processing failure occurs.
+    */
+    virtual void ReceivedEventL(const TMTPTypeEvent& aEvent) = 0;
+
+    /**
+    Signals the availability of an MTP request data object received from the MTP
+    transport layer connection.
+    @param aRequest The received MTP request data object.
+    @leave One of the system wide error codes, if a processing failure occurs.
+    */
+    virtual void ReceivedRequestL(const TMTPTypeRequest& aRequest) = 0;
+
+    /**
+    Signals the completion of an MTP data object receive sequence in the MTP
+    transport layer connection, that was previously initiated by a ReceiveData
+    signal to the transport layer connection interface.
+    @param aErr A system wide error code indicating the completion status of 
+    the sequence.
+    @param aData The MTP data object sink.
+    @param aRequest The MTP request dataset of the active MTP transaction.
+    @leave One of the system wide error codes, if a processing failure occurs.
+    @see MMTPCMMTPTransportConnection::ReceiveData
+    @see MMTPCMMTPTransportConnection::ReceiveDataCancel
+    */
+    virtual void ReceiveDataCompleteL(TInt aErr, const MMTPType& aData, const TMTPTypeRequest& aRequest) = 0;
+
+    /**
+    Signals the completion of an MTP data object send sequence in the MTP
+    transport layer connection, that was previously initiated by a SendData
+    signal to the transport layer connection interface.
+    @param aErr A system wide error code indicating the completion status of 
+    the sequence.
+    @param aData The MTP data object source.
+    @param aRequest The MTP request dataset of the active MTP transaction.
+    @leave One of the system wide error codes, if a processing failure occurs.
+    @see MMTPCMMTPTransportConnection::SendData
+    @see MMTPCMMTPTransportConnection::SendDataCancel
+    */
+    virtual void SendDataCompleteL(TInt aErr, const MMTPType& aData, const TMTPTypeRequest& aRequest) = 0;
+
+    /**
+    Signals the completion of an MTP event data object send sequence in the MTP
+    transport layer connection, that was previously initiated by a SendEvent
+    signal to the transport layer connection interface.
+    @param aErr A system wide error code indicating the completion status of 
+    the sequence.
+    @param aData The MTP event data object source.
+    @leave One of the system wide error codes, if a processing failure occurs.
+    @see MMTPCMMTPTransportConnection::SendEvent
+    */
+    virtual void SendEventCompleteL(TInt aErr, const TMTPTypeEvent& aData) = 0;
+
+    /**
+    Signals the completion of an MTP response data object send sequence in the 
+    MTP transport layer connection, that was previously initiated by a 
+    SendResponse signal to the transport layer connection interface.
+    @param aErr A system wide error code indicating the completion status of 
+    the sequence.
+    @param aResponse The MTP response data object source.
+    @param aRequest The MTP request dataset of the active MTP transaction.
+    @leave One of the system wide error codes, if a processing failure occurs.
+    @see MMTPCMMTPTransportConnection::SendResponse
+    */
+    virtual void SendResponseCompleteL(TInt aErr, const TMTPTypeResponse& aResponse, const TMTPTypeRequest& aRequest) = 0;
+
+    /**
+    Provides the current MTP transaction state for the specified session.
+    @param aMtpSessionId The MTP connection assigned identifier of the 
+    requested session.
+    @leave KErrArgument, if the specified session identifier is not currently
+    active on the connection.
+    @return The MTP transaction state for the specified session.
+    */
+    virtual TMTPTransactionPhase TransactionPhaseL(TUint32 aMtpSessionId) const = 0;  
+      
+    virtual void Unbind(MMTPTransportConnection& aConnection) = 0;
+
+    virtual void DisconnectionNotifyL()=0;
+    };
+#endif // MMTPCONNECTIONPROTOCOL_H