ipv6-option-header.h

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/*
 * Copyright (c) 2008-2009 Strasbourg University
 *
 * 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: David Gross <gdavid.devel@gmail.com>
 */
 
#ifndef IPV6_OPTION_HEADER_H
#define IPV6_OPTION_HEADER_H
 
#include "ns3/header.h"
 
#include <ostream>
 
namespace ns3
{
 
class Ipv6OptionHeader : public Header
{
  public:
    struct Alignment
    {
        uint8_t factor; 
        uint8_t offset; 
    };
 
    static TypeId GetTypeId();
 
    TypeId GetInstanceTypeId() const override;
 
    Ipv6OptionHeader();
 
    ~Ipv6OptionHeader() override;
 
    void SetType(uint8_t type);
 
    uint8_t GetType() const;
 
    void SetLength(uint8_t length);
 
    uint8_t GetLength() const;
 
    void Print(std::ostream& os) const override;
 
    uint32_t GetSerializedSize() const override;
 
    void Serialize(Buffer::Iterator start) const override;
 
    uint32_t Deserialize(Buffer::Iterator start) override;
 
    virtual Alignment GetAlignment() const;
 
  private:
    uint8_t m_type;
 
    uint8_t m_length;
 
    Buffer m_data;
};
 
class Ipv6OptionPad1Header : public Ipv6OptionHeader
{
  public:
    static TypeId GetTypeId();
 
    TypeId GetInstanceTypeId() const override;
 
    Ipv6OptionPad1Header();
 
    ~Ipv6OptionPad1Header() override;
 
    void Print(std::ostream& os) const override;
 
    uint32_t GetSerializedSize() const override;
 
    void Serialize(Buffer::Iterator start) const override;
 
    uint32_t Deserialize(Buffer::Iterator start) override;
};
 
class Ipv6OptionPadnHeader : public Ipv6OptionHeader
{
  public:
    static TypeId GetTypeId();
 
    TypeId GetInstanceTypeId() const override;
 
    Ipv6OptionPadnHeader(uint32_t pad = 2);
 
    ~Ipv6OptionPadnHeader() override;
 
    void Print(std::ostream& os) const override;
 
    uint32_t GetSerializedSize() const override;
 
    void Serialize(Buffer::Iterator start) const override;
 
    uint32_t Deserialize(Buffer::Iterator start) override;
};
 
class Ipv6OptionJumbogramHeader : public Ipv6OptionHeader
{
  public:
    static TypeId GetTypeId();
 
    TypeId GetInstanceTypeId() const override;
 
    Ipv6OptionJumbogramHeader();
 
    ~Ipv6OptionJumbogramHeader() override;
 
    void SetDataLength(uint32_t dataLength);
 
    uint32_t GetDataLength() const;
 
    void Print(std::ostream& os) const override;
 
    uint32_t GetSerializedSize() const override;
 
    void Serialize(Buffer::Iterator start) const override;
 
    uint32_t Deserialize(Buffer::Iterator start) override;
 
    Alignment GetAlignment() const override;
 
  private:
    uint32_t m_dataLength;
};
 
class Ipv6OptionRouterAlertHeader : public Ipv6OptionHeader
{
  public:
    static TypeId GetTypeId();
 
    TypeId GetInstanceTypeId() const override;
 
    Ipv6OptionRouterAlertHeader();
 
    ~Ipv6OptionRouterAlertHeader() override;
 
    void SetValue(uint16_t value);
 
    uint16_t GetValue() const;
 
    void Print(std::ostream& os) const override;
 
    uint32_t GetSerializedSize() const override;
 
    void Serialize(Buffer::Iterator start) const override;
 
    uint32_t Deserialize(Buffer::Iterator start) override;
 
    Alignment GetAlignment() const override;
 
  private:
    uint16_t m_value;
};
 
} // namespace ns3
 
#endif /* IPV6_OPTION_HEADER_H */