/*

* Copyright (c) 2001-2006 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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:  EAP and WLAN authentication protocols.

*

*/

#if !defined(_EAP_NETWORK_ID_H_)

#define _EAP_NETWORK_ID_H_

#include "eap_tools.h"

#include "abs_eap_am_tools.h"

#include "eap_am_tools.h"

#include "eap_am_export.h"

/// This class stores the protocol layer network identity.

/**

 * A eap_am_network_id_c class.

 * Network addresses are handled through eap_am_network_id_c class.

 * It includes source and destination addresses and the type of packet. 

 * Addresses are mostly Ethernet addresses. Packet type is the type of Ethernet packet.

 * The eap_am_network_id class stores the addresses using the eap_variable_data objects.

 */

class EAP_EXPORT eap_am_network_id_c

{

private:

	/// This is pointer to the tools class.

	abs_eap_am_tools_c * const m_am_tools;

	/// This struct decreases the memory print of eap_am_network_id_c.

	class eap_am_network_id_impl_str

	{

	public:

		~eap_am_network_id_impl_str();

		eap_am_network_id_impl_str(

			abs_eap_am_tools_c * const tools);

		/// This is source address.

		eap_variable_data_c m_source;

		/// This is destination address.

		eap_variable_data_c m_destination;

		/// This is type of the packet. Mostly this is Ethernet type.

		u16_t m_type;

		/// This indicates whether this object was generated successfully.

		bool m_is_valid;

	};

	/// This is pointer to data of eap_am_network_id_c.

	/// This decreases memory print of eap_am_network_id_c.

	/// This decreases stack usage of EAP_Core.

	eap_am_network_id_impl_str *  m_data;

	eap_status_e initialize_members();

	/**

	 * The set_is_valid() function sets the state of the eap_core object valid.

	 * The eap_core object calls this function after it is initialized.

	 */

	EAP_FUNC_IMPORT void set_is_valid();

public:

	/**

	 * The destructor does nothing extra. The buffers of each address are 

	 * freed in the destructor of the eap_variable_data class.

	 */

	EAP_FUNC_IMPORT virtual ~eap_am_network_id_c();

	/**

	 * This version initializes the object.

	 * @param tools parameter is pointer to the tools class.

	 */

	EAP_FUNC_IMPORT eap_am_network_id_c(

		abs_eap_am_tools_c * const tools);

	/**

	 * This version takes addresses as pointers to any data.

	 * This could be used to initialize addresses from the received packet.

	 * @param tools parameter is pointer to the tools class.

	 * @param source parameter is pointer to the source address.

	 * @param source_length parameter is length of the source address.

	 * @param destination parameter is pointer to the destination address.

	 * @param destination_length parameter is length of the destination address.

	 * @param type parameter is type of the packet. Mostly this is Ethernet type.

	 * @param free_id parameter indicates whether the source and destination buffers must be freed in destructors.

	 * @param writable_id parameter indicates whether the source and destination buffers are writable.

	 *

	 * NOTE the data buffers are NOT copied.

	 */

	EAP_FUNC_IMPORT eap_am_network_id_c(

		abs_eap_am_tools_c * const tools,

		const void * const source,

		const u32_t source_length,

		const void * const destination,

		const u32_t destination_length,

		const u16_t type,

		const bool free_id,

		const bool writable_id);

	/**

	 * This version takes addresses as pointers to eap_variable_data_c.

	 * @param tools parameter is pointer to the tools class.

	 * @param source parameter is pointer to the source address.

	 * @param destination parameter is pointer to the destination address.

	 * @param type parameter is type of the packet. Mostly this is Ethernet type.

	 *

	 * NOTE the data buffers are NOT copied. This is used to swap addresses of existing

	 * eap_am_network_id_c object and create a new object using existing addresses.

	 */

	EAP_FUNC_IMPORT eap_am_network_id_c(

		abs_eap_am_tools_c * const tools,

		const eap_variable_data_c * const source,

		const eap_variable_data_c * const destination,

		const u16_t type);

	/**

	 * This version uses the data from existing object.

	 * @param tools parameter is pointer to the tools class.

	 * @param network_id parameter is pointer to the existing object.

	 *

	 * NOTE this copies the addresses.

	 */

	EAP_FUNC_IMPORT eap_am_network_id_c(

		abs_eap_am_tools_c * const tools,

		const eap_am_network_id_c * const network_id);

	/**

	 * This function uses the data from existing object.

	 * @param network_id parameter is pointer to the existing object.

	 *

	 * NOTE this copies the addresses.

	 */

	EAP_FUNC_IMPORT eap_status_e set_copy_of_network_id(

		const eap_am_network_id_c * const network_id);

	EAP_FUNC_IMPORT eap_status_e set_copy_of_am_network_id(

		const void * const source,

		const u32_t source_length,

		const void * const destination,

		const u32_t destination_length,

		const u16_t type);

	/**

	 * The get_is_valid() function returns the status of the eap_core object.

	 * True indicates the object is initialized succesfully.

	 */

	EAP_FUNC_IMPORT bool get_is_valid() const;

	/**

	 * The get_is_valid_data() function returns the status of the eap_core object.

	 * True indicates the object does include valid addresses.

	 */

	EAP_FUNC_IMPORT bool get_is_valid_data() const;

	/**

	 * The get_source_id() function returns pointer to the source address.

	 */

	EAP_FUNC_IMPORT const eap_variable_data_c * get_source_id() const;

	/**

	 * The get_destination_id() function returns pointer to the destination address.

	 */

	EAP_FUNC_IMPORT const eap_variable_data_c * get_destination_id() const;

	/**

	 * The get_source() function returns pointer to the source data.

	 */

	EAP_FUNC_IMPORT const u8_t * get_source() const;

	/**

	 * The get_destination() function returns pointer to the destination data.

	 */

	EAP_FUNC_IMPORT const u8_t * get_destination() const;

	/**

	 * The get_source_length() function returns length of the source address.

	 */

	EAP_FUNC_IMPORT u32_t get_source_length() const;

	/**

	 * The get_destination_length() function returns length of the destination address.

	 */

	EAP_FUNC_IMPORT u32_t get_destination_length() const;

	/**

	 * The get_type() function returns type of the packet.

	 */

	EAP_FUNC_IMPORT u16_t get_type() const;

	/**

	 * The get_network_id() function returns pointer to this.

	 */

	EAP_FUNC_IMPORT const eap_am_network_id_c * get_network_id() const;

	/**

	 * The copy() function copies the eap_am_network_id object.

	 * The data of addresses are copied to new buffers.

	 */

	EAP_FUNC_IMPORT eap_am_network_id_c * copy() const;

	/**

	 * Compare the objects are identical.

	 * @return false if data of objects differs.

	 * @return true if data of objects are the same.

	 */

	EAP_FUNC_IMPORT bool compare_network_id(const eap_am_network_id_c * const network_id) const;

	/**

	 * The get_type() function sets type of the packet.

	 */

	EAP_FUNC_IMPORT void set_type(const u16_t type);

	/**

	 * Resets the object.

	 */

	EAP_FUNC_IMPORT void reset();

};

#endif //#if !defined(_EAP_NETWORK_ID_H_)

//--------------------------------------------------

// End.