wifi-protection.h

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2020 Universita' degli Studi di Napoli Federico II
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation;
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * Author: Stefano Avallone <stavallo@unina.it>
 */

#ifndef WIFI_PROTECTION_H
#define WIFI_PROTECTION_H

#include "ns3/nstime.h"
#include "wifi-tx-vector.h"
#include "ctrl-headers.h"
#include <memory>


namespace ns3 {

struct WifiProtection
{
  enum Method
    {
      NONE = 0,
      RTS_CTS,
      CTS_TO_SELF
    };

  WifiProtection (Method m);
  virtual ~WifiProtection ();

  virtual std::unique_ptr<WifiProtection> Copy (void) const = 0;

  virtual void Print (std::ostream &os) const = 0;

  const Method method;   
  Time protectionTime;   
};


struct WifiNoProtection : public WifiProtection
{
  WifiNoProtection ();

  std::unique_ptr<WifiProtection> Copy (void) const override;
  void Print (std::ostream &os) const override;
};


struct WifiRtsCtsProtection : public WifiProtection
{
  WifiRtsCtsProtection ();

  std::unique_ptr<WifiProtection> Copy (void) const override;
  void Print (std::ostream &os) const override;

  WifiTxVector rtsTxVector;       
  WifiTxVector ctsTxVector;       
};


struct WifiCtsToSelfProtection : public WifiProtection
{
  WifiCtsToSelfProtection ();

  std::unique_ptr<WifiProtection> Copy (void) const override;
  void Print (std::ostream &os) const override;

  WifiTxVector ctsTxVector;       
};


std::ostream& operator<< (std::ostream& os, const WifiProtection* protection);

} //namespace ns3

#endif /* WIFI_PROTECTION_H */