tcp-option-sack.h

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/*
 * Copyright (c) 2011 Adrian Sai-wah Tam
 * Copyright (c) 2015 ResiliNets, ITTC, University of Kansas
 *
 * 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
 *
 * 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_H
#define TCP_OPTION_SACK_H
 
#include "tcp-option.h"
 
#include "ns3/sequence-number.h"
 
namespace ns3
{
 
class TcpOptionSack : public TcpOption
{
  public:
    static TypeId GetTypeId();
    TypeId GetInstanceTypeId() const override;
 
    typedef std::pair<SequenceNumber32, SequenceNumber32> SackBlock; 
    typedef std::list<SackBlock> SackList;                           
 
    TcpOptionSack();
    ~TcpOptionSack() 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;
 
    void AddSackBlock(SackBlock s);
 
    uint32_t GetNumSackBlocks() const;
 
    void ClearSackList();
 
    SackList GetSackList() const;
 
    friend std::ostream& operator<<(std::ostream& os, const TcpOptionSack& sackOption);
 
  protected:
    SackList m_sackList; 
};
 
std::ostream& operator<<(std::ostream& os, const TcpOptionSack& sackOption);
 
std::ostream& operator<<(std::ostream& os, const TcpOptionSack::SackBlock& sackBlock);
 
} // namespace ns3
 
#endif /* TCP_OPTION_SACK */