A Discrete-Event Network Simulator
API
tcp-option-ts.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
21#ifndef TCP_OPTION_TS_H
22#define TCP_OPTION_TS_H
23
24#include "ns3/tcp-option.h"
25#include "ns3/timer.h"
26
27namespace ns3 {
28
35class TcpOptionTS : public TcpOption
36{
37public:
38 TcpOptionTS ();
39 virtual ~TcpOptionTS ();
40
45 static TypeId GetTypeId (void);
46 virtual TypeId GetInstanceTypeId (void) const;
47
48 virtual void Print (std::ostream &os) const;
49 virtual void Serialize (Buffer::Iterator start) const;
51
52 virtual uint8_t GetKind (void) const;
53 virtual uint32_t GetSerializedSize (void) const;
54
59 uint32_t GetTimestamp (void) const;
64 uint32_t GetEcho (void) const;
69 void SetTimestamp (uint32_t ts);
74 void SetEcho (uint32_t ts);
75
90 static uint32_t NowToTsValue ();
91
101 static Time ElapsedTimeFromTsValue (uint32_t echoTime);
102
103protected:
106};
107
108} // namespace ns3
109
110#endif /* TCP_OPTION_TS */
iterator in a Buffer instance
Definition: buffer.h:99
Base class for all kinds of TCP options.
Definition: tcp-option.h:37
Defines the TCP option of kind 8 (timestamp option) as in RFC 1323
Definition: tcp-option-ts.h:36
void SetTimestamp(uint32_t ts)
Set the timestamp stored in the Option.
virtual void Print(std::ostream &os) const
Print the Option contents.
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.
static Time ElapsedTimeFromTsValue(uint32_t echoTime)
Estimate the Time elapsed from a TS echo value.
static TypeId GetTypeId(void)
Get the type ID.
virtual void Serialize(Buffer::Iterator start) const
Serialize the Option to a buffer iterator.
uint32_t GetEcho(void) const
Get the timestamp echo stored in the Option.
uint32_t m_timestamp
local timestamp
virtual uint32_t GetSerializedSize(void) const
Returns number of bytes required for Option serialization.
uint32_t GetTimestamp(void) const
Get the timestamp stored in the Option.
static uint32_t NowToTsValue()
Return an uint32_t value which represent "now".
uint32_t m_echo
echo timestamp
void SetEcho(uint32_t ts)
Set the timestamp echo stored in the Option.
virtual uint32_t Deserialize(Buffer::Iterator start)
Deserialize the Option from a buffer iterator.
virtual ~TcpOptionTS()
Simulation virtual time values and global simulation resolution.
Definition: nstime.h:104
a unique identifier for an interface.
Definition: type-id.h:59
Every class exported by the ns3 library is enclosed in the ns3 namespace.
def start()
Definition: core.py:1852