tcp-option-sack-permitted.h

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/*
 * Copyright (c) 2011 Adrian Sai-wah Tam
 * Copyright (c) 2015 ResiliNets, ITTC, University of Kansas
 *
 * SPDX-License-Identifier: GPL-2.0-only
 *
 * Original Author: Adrian Sai-wah Tam <adrian.sw.tam@gmail.com>
 * Documentation, test cases: Truc Anh N. Nguyen   <annguyen@ittc.ku.edu>
 *                            ResiliNets Research Group   https://resilinets.org/
 *                            The University of Kansas
 *                            James P.G. Sterbenz <jpgs@ittc.ku.edu>, director
 */
 
#ifndef TCP_OPTION_SACK_PERMITTED_H
#define TCP_OPTION_SACK_PERMITTED_H
 
#include "tcp-option.h"
 
namespace ns3
{
 
/**
 * \brief Defines the TCP option of kind 4 (selective acknowledgment permitted
 * option) as in \RFC{2018}
 *
 * TCP Sack-Permitted Option is 2-byte in length and sent in a SYN segment by a
 * TCP host that can recognize and process SACK option during the lifetime of a
 * connection.
 */
 
class TcpOptionSackPermitted : public TcpOption
{
  public:
    /**
     * \brief Get the type ID.
     * \return the object TypeId
     */
    static TypeId GetTypeId();
    TypeId GetInstanceTypeId() const override;
 
    TcpOptionSackPermitted();
    ~TcpOptionSackPermitted() override;
 
    void Print(std::ostream& os) const override;
    void Serialize(Buffer::Iterator start) const override;
    uint32_t Deserialize(Buffer::Iterator start) override;
 
    uint8_t GetKind() const override;
    uint32_t GetSerializedSize() const override;
};
 
} // namespace ns3
 
#endif /* TCP_OPTION_SACK_PERMITTED */