/*
 * Copyright (c) 2001-2022 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 *
 * This software is available to you under a choice of one of two
 * licenses.  You may choose to be licensed under the terms of the GNU
 * General Public License (GPL) Version 2, available from the file
 * COPYING in the main directory of this source tree, or the
 * BSD license below:
 *
 *     Redistribution and use in source and binary forms, with or
 *     without modification, are permitted provided that the following
 *     conditions are met:
 *
 *      - Redistributions of source code must retain the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer.
 *
 *      - Redistributions in binary form must reproduce the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer in the documentation and/or other materials
 *        provided with the distribution.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */


#ifndef ROUTE_ENTRY_H
#define ROUTE_ENTRY_H

#include "vma/util/if.h"
#include <netinet/in.h>

#include "vma/proto/route_rule_table_key.h"
#include "vma/infra/cache_subject_observer.h"
#include "vma/dev/net_device_entry.h"
#include "route_val.h"
#include "rule_entry.h"

class route_entry : public cache_entry_subject<route_rule_table_key,route_val*>, public cache_observer
{
public:
	friend class route_table_mgr;

	route_entry(route_rule_table_key rtk);
	virtual ~route_entry();

	bool 		get_val(INOUT route_val* &val);
	void 		set_val(IN route_val* &val);

	net_device_val* get_net_dev_val()	{ return m_p_net_dev_val; }

	inline void 	set_entry_valid() 	{ m_is_valid = true; }
	inline bool	is_valid()		{ return m_is_valid && m_val && m_val->is_valid(); }; //m_val is NULL at first

	virtual void 	notify_cb();

	void 		set_str();
	const string 	to_str() const 		{ return m_str; };

	inline rule_entry* get_rule_entry() const	{ return m_p_rr_entry; };
	
private:
	net_device_entry* 	m_p_net_dev_entry;
	net_device_val* 	m_p_net_dev_val;
	bool 			m_b_offloaded_net_dev;
	bool 			m_is_valid;
	string			m_str;
	rule_entry*		m_p_rr_entry;

	void			register_to_net_device();
	void 			unregister_to_net_device();
};

#endif /* ROUTE_ENTRY_H */
