--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/realtimenetprots/sipfw/SIP/ConnectionMgr/inc/MStateModel.h	Tue Feb 02 01:03:15 2010 +0200
@@ -0,0 +1,92 @@
+/*
+* Copyright (c) 2004-2009 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:
+* Name        : MStateModel.h
+* Part of     : NetworkMonitor
+* See class definition below.
+* Version     : SIP/4.0
+*
+*/
+
+
+
+
+/**
+ @internalComponent
+*/
+#ifndef __MSTATEMODEL_H__
+#define __MSTATEMODEL_H__
+
+// INCLUDES
+#include <in_sock.h>	// TInetAddr
+#include "SipStackServerDefs.h"	// TTransactionId
+#include "sipnetworkobserver.h"
+
+// FORWARD DECLARATIONS
+class CSIPRequest;
+class CSIPResponse;
+class TSIPTransportParams;
+class CUri8;
+
+// CLASS DEFINITION
+/**
+ * MStateModel defines an interface for the CSIPConnection state model
+ */
+class MStateModel
+	: public MSIPNetworkObserver
+	{
+	public: // Enumerations
+
+		/// Network states
+		enum TState
+			{
+			EInit,
+			EInactiveMonitoring,
+			EInactiveConnecting,
+			EActiveResolving,
+			EActiveResolved,
+			ESuspended,
+			EUnavailable,
+			EMaxStates
+			};
+
+	public:	// Constructors and destructor
+
+		/// Virtual destructor
+		virtual ~MStateModel() {};
+
+	public: // Abstract methods
+
+		virtual void SendL( const TSIPTransportParams& aParams,
+		                    CSIPRequest& aRequest,
+		                    TBool aForceUDP,
+		                    const CUri8* aOutboundProxy,
+							const TInetAddr& aRemoteAddr,
+							TRequestStatus& aStatus ) = 0;
+
+ 		virtual void SendL( const TSIPTransportParams& aParams,
+ 		                    CSIPResponse& aResponse,
+                  			TTransactionId aId,
+							TRequestStatus& aStatus ) = 0;
+
+		virtual MStateModel::TState StateValue() const = 0;
+
+		virtual void EnterState( MStateModel::TState aState,
+								 TInt aError ) = 0;
+		
+		virtual TInt Error() const = 0;
+
+	};
+
+#endif // __MSTATEMODEL_H__