/*

* Copyright (c) 2005-2009 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:  

* CInterfaceAlias

*

*/

#ifndef __CINTERFACEALIAS_H__

#define __CINTERFACEALIAS_H__

/*******************************************************************************

 *

 * System Includes

 *

 ******************************************************************************/

#include <string>

using namespace std;

/*******************************************************************************

 *

 * Definitions

 *

 ******************************************************************************/

typedef enum {

  IAS_INIT,

  IAS_UP,

  IAS_DOWN

} TInterfaceState;

typedef enum {

  IE_NONE,

  IE_NO_FREE_ALIAS,

  IE_INVALID_PARAM,

  IE_SOCKET_FAILED,

  IE_INVALID_ADDR,

  IE_IOCTL_FAILED,

  IE_INVALID_STATE,

  IE_INVALID_INTERFACE

} TInterfaceAliasError;

/*******************************************************************************

 *

 * Class CInterfaceAlias

 *

 ******************************************************************************/

class CInterfaceAlias

{

 public:

  CInterfaceAlias();

  ~CInterfaceAlias();

  TInterfaceAliasError CreateNewInterfaceAlias( int aBaseInterfaceIndex, int aNetMask, int aHostAddress, int *aAliasIndex, int *aErrorCode );

  TInterfaceAliasError DestroyInterfaceAlias( int *aErrorCode );

  TInterfaceAliasError GetInterfaceIndex( int *aBaseInterfaceIndex, int *aAliasIndex );

  TInterfaceAliasError GetInterfaceName( string *aInterfaceName );

  TInterfaceAliasError GetInterfaceAddress( string *aInterfaceAddress );

 private:

  TInterfaceAliasError GetBaseInterfaceAddress( int aBaseInterfaceIndex, struct sockaddr_in *aInterfaceAddress, int *aErrorCode );

  TInterfaceAliasError GetFreeAliasIndex( int aBaseInterfaceIndex, int *aAliasIndex, int *aErrorCode );

  int ParseInterfaceName( char *aInterfaceName, int *aBaseIndex, int *aAliasIndex );

  TInterfaceAliasError GetInterfaceList( char *aInterfaceBuffer, int aInputBufferLength, int *aOutputBufferLength, int *aErrorCode );

  int ChangeHostAddress( int aBaseAddress, int aNetMask, int aHostAddress );

  int NetmaskFromBitcount( int aBitCount );

  TInterfaceState iState;

  int iBaseInterfaceIndex;

  int iAliasIndex;

  string iInterfaceAddress;

  string iInterfaceName;

};

#endif //__CINTERFACEALIAS_H__