/usr/include/ns3.17/ns3/tcp-header.h is in libns3-dev 3.17+dfsg-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 | /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2007 Georgia Tech Research Corporation
*
* 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: Raj Bhattacharjea <raj.b@gatech.edu>
*/
#ifndef TCP_HEADER_H
#define TCP_HEADER_H
#include <stdint.h>
#include "ns3/header.h"
#include "ns3/buffer.h"
#include "ns3/tcp-socket-factory.h"
#include "ns3/ipv4-address.h"
#include "ns3/ipv6-address.h"
#include "ns3/sequence-number.h"
namespace ns3 {
/**
* \ingroup tcp
* \brief Header for the Transmission Control Protocol
*
* This class has fields corresponding to those in a network TCP header
* (port numbers, sequence and acknowledgement numbers, flags, etc) as well
* as methods for serialization to and deserialization from a byte buffer.
*/
class TcpHeader : public Header
{
public:
TcpHeader ();
virtual ~TcpHeader ();
/**
* \brief Enable checksum calculation for TCP (XXX currently has no effect)
*/
void EnableChecksums (void);
//Setters
/**
* \param port The source port for this TcpHeader
*/
void SetSourcePort (uint16_t port);
/**
* \param port the destination port for this TcpHeader
*/
void SetDestinationPort (uint16_t port);
/**
* \param sequenceNumber the sequence number for this TcpHeader
*/
void SetSequenceNumber (SequenceNumber32 sequenceNumber);
/**
* \param ackNumber the ACK number for this TcpHeader
*/
void SetAckNumber (SequenceNumber32 ackNumber);
/**
* \param length the length of this TcpHeader
*/
void SetLength (uint8_t length);
/**
* \param flags the flags for this TcpHeader
*/
void SetFlags (uint8_t flags);
/**
* \param windowSize the window size for this TcpHeader
*/
void SetWindowSize (uint16_t windowSize);
/**
* \param urgentPointer the urgent pointer for this TcpHeader
*/
void SetUrgentPointer (uint16_t urgentPointer);
//Getters
/**
* \return The source port for this TcpHeader
*/
uint16_t GetSourcePort () const;
/**
* \return the destination port for this TcpHeader
*/
uint16_t GetDestinationPort () const;
/**
* \return the sequence number for this TcpHeader
*/
SequenceNumber32 GetSequenceNumber () const;
/**
* \return the ACK number for this TcpHeader
*/
SequenceNumber32 GetAckNumber () const;
/**
* \return the length of this TcpHeader
*/
uint8_t GetLength () const;
/**
* \return the flags for this TcpHeader
*/
uint8_t GetFlags () const;
/**
* \return the window size for this TcpHeader
*/
uint16_t GetWindowSize () const;
/**
* \return the urgent pointer for this TcpHeader
*/
uint16_t GetUrgentPointer () const;
/**
* \param source the ip source to use in the underlying
* ip packet.
* \param destination the ip destination to use in the
* underlying ip packet.
* \param protocol the protocol number to use in the underlying
* ip packet.
*
* If you want to use tcp checksums, you should call this
* method prior to adding the header to a packet.
*/
void InitializeChecksum (Ipv4Address source,
Ipv4Address destination,
uint8_t protocol);
void InitializeChecksum (Ipv6Address source,
Ipv6Address destination,
uint8_t protocol);
void InitializeChecksum (Address source,
Address destination,
uint8_t protocol);
typedef enum { NONE = 0, FIN = 1, SYN = 2, RST = 4, PSH = 8, ACK = 16,
URG = 32, ECE = 64, CWR = 128} Flags_t;
static TypeId GetTypeId (void);
virtual TypeId GetInstanceTypeId (void) const;
virtual void Print (std::ostream &os) const;
virtual uint32_t GetSerializedSize (void) const;
virtual void Serialize (Buffer::Iterator start) const;
virtual uint32_t Deserialize (Buffer::Iterator start);
/**
* \brief Is the TCP checksum correct ?
* \returns true if the checksum is correct, false otherwise.
*/
bool IsChecksumOk (void) const;
private:
uint16_t CalculateHeaderChecksum (uint16_t size) const;
uint16_t m_sourcePort;
uint16_t m_destinationPort;
SequenceNumber32 m_sequenceNumber;
SequenceNumber32 m_ackNumber;
uint8_t m_length; // really a uint4_t
uint8_t m_flags; // really a uint6_t
uint16_t m_windowSize;
uint16_t m_urgentPointer;
Address m_source;
Address m_destination;
uint8_t m_protocol;
uint16_t m_initialChecksum;
bool m_calcChecksum;
bool m_goodChecksum;
};
} // namespace ns3
#endif /* TCP_HEADER */
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