1 /*

     2 * Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 * Name        : MStateModel.h

    16 * Part of     : NetworkMonitor

    17 * See class definition below.

    18 * Version     : SIP/4.0

    19 *

    20 */

    21 

    22 

    23 

    24 

    25 /**

    26  @internalComponent

    27 */

    28 #ifndef __MSTATEMODEL_H__

    29 #define __MSTATEMODEL_H__

    30 

    31 // INCLUDES

    32 #include <in_sock.h>	// TInetAddr

    33 #include "SipStackServerDefs.h"	// TTransactionId

    34 #include "sipnetworkobserver.h"

    35 

    36 // FORWARD DECLARATIONS

    37 class CSIPRequest;

    38 class CSIPResponse;

    39 class TSIPTransportParams;

    40 class CUri8;

    41 

    42 // CLASS DEFINITION

    43 /**

    44  * MStateModel defines an interface for the CSIPConnection state model

    45  */

    46 class MStateModel

    47 	: public MSIPNetworkObserver

    48 	{

    49 	public: // Enumerations

    50 

    51 		/// Network states

    52 		enum TState

    53 			{

    54 			EInit,

    55 			EInactiveMonitoring,

    56 			EInactiveConnecting,

    57 			EActiveResolving,

    58 			EActiveResolved,

    59 			ESuspended,

    60 			EUnavailable,

    61 			EMaxStates

    62 			};

    63 

    64 	public:	// Constructors and destructor

    65 

    66 		/// Virtual destructor

    67 		virtual ~MStateModel() {};

    68 

    69 	public: // Abstract methods

    70 

    71 		virtual void SendL( const TSIPTransportParams& aParams,

    72 		                    CSIPRequest& aRequest,

    73 		                    TBool aForceUDP,

    74 		                    const CUri8* aOutboundProxy,

    75 							const TInetAddr& aRemoteAddr,

    76 							TRequestStatus& aStatus ) = 0;

    77 

    78  		virtual void SendL( const TSIPTransportParams& aParams,

    79  		                    CSIPResponse& aResponse,

    80                   			TTransactionId aId,

    81 							TRequestStatus& aStatus ) = 0;

    82 

    83 		virtual MStateModel::TState StateValue() const = 0;

    84 

    85 		virtual void EnterState( MStateModel::TState aState,

    86 								 TInt aError ) = 0;

    87 		

    88 		virtual TInt Error() const = 0;

    89 

    90 	};

    91 

    92 #endif // __MSTATEMODEL_H__