A Discrete-Event Network Simulator
API
tcp-option-rfc793.h
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1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 2011 Adrian Sai-wah Tam
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License version 2 as
7  * published by the Free Software Foundation;
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17  *
18  * Author: Adrian Sai-wah Tam <adrian.sw.tam@gmail.com>
19  */
20 #ifndef TCPOPTIONRFC793_H
21 #define TCPOPTIONRFC793_H
22 
23 #include "ns3/tcp-option.h"
24 
25 namespace ns3 {
26 
32 class TcpOptionEnd : public TcpOption
33 {
34 public:
35  TcpOptionEnd ();
36  virtual ~TcpOptionEnd ();
37 
42  static TypeId GetTypeId (void);
43  virtual TypeId GetInstanceTypeId (void) const;
44 
45  virtual void Print (std::ostream &os) const;
46  virtual void Serialize (Buffer::Iterator start) const;
47  virtual uint32_t Deserialize (Buffer::Iterator start);
48 
49  virtual uint8_t GetKind (void) const;
50  virtual uint32_t GetSerializedSize (void) const;
51 
52 };
53 
57 class TcpOptionNOP : public TcpOption
58 {
59 public:
60  TcpOptionNOP ();
61  virtual ~TcpOptionNOP ();
62 
67  static TypeId GetTypeId (void);
68  virtual TypeId GetInstanceTypeId (void) const;
69 
70  virtual void Print (std::ostream &os) const;
71  virtual void Serialize (Buffer::Iterator start) const;
72  virtual uint32_t Deserialize (Buffer::Iterator start);
73 
74  virtual uint8_t GetKind (void) const;
75  virtual uint32_t GetSerializedSize (void) const;
76 };
77 
81 class TcpOptionMSS : public TcpOption
82 {
83 public:
84  TcpOptionMSS ();
85  virtual ~TcpOptionMSS ();
86 
91  static TypeId GetTypeId (void);
92  virtual TypeId GetInstanceTypeId (void) const;
93 
94  virtual void Print (std::ostream &os) const;
95  virtual void Serialize (Buffer::Iterator start) const;
96  virtual uint32_t Deserialize (Buffer::Iterator start);
97 
98  virtual uint8_t GetKind (void) const;
99  virtual uint32_t GetSerializedSize (void) const;
100 
105  uint16_t GetMSS (void) const;
110  void SetMSS (uint16_t mss);
111 
112 protected:
113  uint16_t m_mss;
114 };
115 
116 } // namespace ns3
117 
118 #endif // TCPOPTIONRFC793_H
virtual TypeId GetInstanceTypeId(void) const
Get the most derived TypeId for this Object.
void SetMSS(uint16_t mss)
Set the Maximum Segment Size stored in the Option.
virtual void Print(std::ostream &os) const
Print the Option contents.
Defines the TCP option of kind 1 (no operation) as in RFC 793
virtual uint32_t Deserialize(Buffer::Iterator start)
Deserialize the Option from a buffer iterator.
def start()
Definition: core.py:1844
virtual uint32_t GetSerializedSize(void) const
Returns number of bytes required for Option serialization.
virtual uint8_t GetKind(void) const
Get the ‘kind’ (as in RFC 793) of this option.
iterator in a Buffer instance
Definition: buffer.h:98
virtual void Serialize(Buffer::Iterator start) const
Serialize the Option to a buffer iterator.
virtual TypeId GetInstanceTypeId(void) const
Get the most derived TypeId for this Object.
virtual uint8_t GetKind(void) const
Get the ‘kind’ (as in RFC 793) of this option.
Defines the TCP option of kind 0 (end of option list) as in RFC 793
virtual void Serialize(Buffer::Iterator start) const
Serialize the Option to a buffer iterator.
uint16_t m_mss
maximum segment size
virtual void Print(std::ostream &os) const
Print the Option contents.
Every class exported by the ns3 library is enclosed in the ns3 namespace.
static TypeId GetTypeId(void)
Get the type ID.
virtual void Serialize(Buffer::Iterator start) const
Serialize the Option to a buffer iterator.
static TypeId GetTypeId(void)
Get the type ID.
static TypeId GetTypeId(void)
Get the type ID.
Defines the TCP option of kind 2 (maximum segment size) as in RFC 793
virtual TypeId GetInstanceTypeId(void) const
Get the most derived TypeId for this Object.
virtual uint32_t GetSerializedSize(void) const
Returns number of bytes required for Option serialization.
virtual uint32_t Deserialize(Buffer::Iterator start)
Deserialize the Option from a buffer iterator.
Base class for all kinds of TCP options.
Definition: tcp-option.h:36
virtual void Print(std::ostream &os) const
Print the Option contents.
virtual uint32_t Deserialize(Buffer::Iterator start)
Deserialize the Option from a buffer iterator.
virtual uint8_t GetKind(void) const
Get the ‘kind’ (as in RFC 793) of this option.
a unique identifier for an interface.
Definition: type-id.h:58
virtual uint32_t GetSerializedSize(void) const
Returns number of bytes required for Option serialization.
uint16_t GetMSS(void) const
Get the Maximum Segment Size stored in the Option.