wifi-protection.h

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/*
 * 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 "ctrl-headers.h"
#include "wifi-tx-vector.h"
 
#include "ns3/nstime.h"
 
#include <memory>
 
namespace ns3
{
 
struct WifiProtection
{
    enum Method
    {
        NONE = 0,
        RTS_CTS,
        CTS_TO_SELF,
        MU_RTS_CTS
    };
 
    WifiProtection(Method m);
    virtual ~WifiProtection();
 
    virtual std::unique_ptr<WifiProtection> Copy() 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() const override;
    void Print(std::ostream& os) const override;
};
 
struct WifiRtsCtsProtection : public WifiProtection
{
    WifiRtsCtsProtection();
 
    std::unique_ptr<WifiProtection> Copy() const override;
    void Print(std::ostream& os) const override;
 
    WifiTxVector rtsTxVector; 
    WifiTxVector ctsTxVector; 
};
 
struct WifiCtsToSelfProtection : public WifiProtection
{
    WifiCtsToSelfProtection();
 
    std::unique_ptr<WifiProtection> Copy() const override;
    void Print(std::ostream& os) const override;
 
    WifiTxVector ctsTxVector; 
};
 
struct WifiMuRtsCtsProtection : public WifiProtection
{
    WifiMuRtsCtsProtection();
 
    // Overridden from WifiProtection
    std::unique_ptr<WifiProtection> Copy() const override;
    void Print(std::ostream& os) const override;
 
    CtrlTriggerHeader muRts;    
    WifiTxVector muRtsTxVector; 
};
 
std::ostream& operator<<(std::ostream& os, const WifiProtection* protection);
 
} // namespace ns3
 
#endif /* WIFI_PROTECTION_H */