/*

* ============================================================================

*  Name        : ./accesssec/eapol/eapol_framework/wapi_common/src/wapi_core_retransmission.cpp

*  Part of     : WAPI / WAPI       *** Info from the SWAD

*  Description : WAPI authentication

*  Version     : %version: 10 % << Don't touch! Updated by Synergy at check-out.

*

*  Copyright © 2001-2009 Nokia.  All rights reserved.

*  This material, including documentation and any related computer

*  programs, is protected by copyright controlled by Nokia.  All

*  rights are reserved.  Copying, including reproducing, storing,

*  adapting or translating, any or all of this material requires the

*  prior written consent of Nokia.  This material also contains

*  confidential information which may not be disclosed to others

*  without the prior written consent of Nokia.

* ============================================================================

* Template version: 4.1.1

*/

// This is enumeration of WAPI source code.

#if defined(USE_EAP_MINIMUM_RELEASE_TRACES)

	#undef EAP_FILE_NUMBER_ENUM

	#define EAP_FILE_NUMBER_ENUM 47 

	#undef EAP_FILE_NUMBER_DATE 

	#define EAP_FILE_NUMBER_DATE 1127594498 

#endif //#if defined(USE_EAP_MINIMUM_RELEASE_TRACES)

#include "eap_am_memory.h"

#include "eap_tools.h"

#include "eap_am_export.h"

#include "abs_eap_base_timer.h"

#include "wapi_core_retransmission.h"

#include "eap_am_network_id.h"

#include "wai_message.h"

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

EAP_FUNC_EXPORT wapi_core_retransmission_c::~wapi_core_retransmission_c()

{

	EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT);

	delete m_send_network_id;

	m_send_network_id = 0;

	delete m_wai_message_data;

	m_wai_message_data = 0;

	delete m_wai_received_message_data;

	m_wai_received_message_data = 0;

	EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);

}

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

EAP_FUNC_EXPORT wapi_core_retransmission_c::wapi_core_retransmission_c(

	abs_eap_am_tools_c * const tools,

	const eap_am_network_id_c * const send_network_id,

	const wai_message_c * const received_wai_message_data_or_null,

	const wai_message_c * const wai_message_data,

	const u32_t retransmission_time,

	const u32_t retransmission_counter,

	const u16_t packet_sequence_number,

	const wai_protocol_subtype_e wapi_subtype)

	: m_am_tools(tools)

	, m_send_network_id(send_network_id->copy())

	, m_wai_message_data(wai_message_data->copy())

	, m_wai_received_message_data(0)

	, m_is_valid(false)

	, m_retransmission_time(retransmission_time)

	, m_retransmission_counter(retransmission_counter)

	, m_packet_sequence_number(packet_sequence_number)

	, m_wapi_subtype(wapi_subtype)

{

	EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT);

	//EAP_ASSERT(m_send_network_id->get_source() != 0);

	//EAP_ASSERT(m_send_network_id->get_destination() != 0);

	if (received_wai_message_data_or_null != 0)

	{

		m_wai_received_message_data = received_wai_message_data_or_null->copy();

	}

	if (m_send_network_id != 0

		&& m_wai_message_data != 0

		&& m_wai_message_data->get_is_valid() == true)

	{

		m_is_valid = true;

	}

	else

	{

		delete m_send_network_id;

		m_send_network_id = 0;

		delete m_wai_message_data;

		m_wai_message_data = 0;

	}

	EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);

}

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

EAP_FUNC_EXPORT bool wapi_core_retransmission_c::get_is_valid() const

{

	EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT);

	EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);

	return m_is_valid;

}

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

EAP_FUNC_EXPORT u32_t wapi_core_retransmission_c::get_next_retransmission_counter()

{

	EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT);

	EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);

	return --m_retransmission_counter;

}

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

EAP_FUNC_EXPORT u32_t wapi_core_retransmission_c::get_retransmission_counter() const

{

	EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT);

	EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);

	return m_retransmission_counter;

}

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

EAP_FUNC_EXPORT u32_t wapi_core_retransmission_c::get_next_retransmission_time()

{

	EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT);

	u32_t time = m_retransmission_time;

	u32_t jitter_data = 0ul;

	i32_t jitter = 0;

	eap_status_e status = m_am_tools->get_crypto()->get_rand_bytes(

		reinterpret_cast<u8_t *>(&jitter_data),

		sizeof(jitter_data));

	if (status != eap_status_ok)

	{

		jitter = 0;

	}

	else

	{

		// Jitter should be -m_retransmission_time/2 ... m_retransmission_time/2.

		jitter_data = (jitter_data % (m_retransmission_time));

		jitter = jitter_data - m_retransmission_time/2;

	}

	m_retransmission_time += (m_retransmission_time + jitter);

	EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);

	return time;

}

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

EAP_FUNC_EXPORT eap_am_network_id_c *wapi_core_retransmission_c::get_send_network_id() const

{

	EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT);

	EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);

	return m_send_network_id;

}

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

EAP_FUNC_EXPORT const wai_message_c * wapi_core_retransmission_c::get_wai_message_data() const

{

	EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT);

	EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);

	return m_wai_message_data;

}

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

EAP_FUNC_EXPORT u16_t wapi_core_retransmission_c::get_packet_sequence_number() const

{

	EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT);

	EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);

	return m_packet_sequence_number;

}

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

EAP_FUNC_EXPORT const wai_message_c * wapi_core_retransmission_c::get_wai_received_message_data() const

{

	EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT);

	EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);

	return m_wai_received_message_data;

}

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

EAP_FUNC_EXPORT wai_protocol_subtype_e wapi_core_retransmission_c::get_wapi_subtype() const

{

	EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT);

	EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);

	return m_wapi_subtype;

}

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

// End.