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tcp-tx-item.h
Go to the documentation of this file.
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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Copyright (c) 2018 Natale Patriciello <natale.patriciello@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation;
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#ifndef TCP_TX_ITEM_H
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#define TCP_TX_ITEM_H
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#include "ns3/packet.h"
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#include "ns3/nstime.h"
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#include "ns3/sequence-number.h"
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namespace
ns3
{
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class
TcpTxItem
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{
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public
:
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// Default constructor, copy-constructor, destructor
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void
Print
(std::ostream &os)
const
;
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uint32_t
GetSeqSize
(
void
)
const
;
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bool
IsSacked
(
void
)
const
;
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60
bool
IsRetrans
(
void
)
const
;
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Ptr<Packet>
GetPacketCopy
(
void
)
const
;
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Ptr<const Packet>
GetPacket
(
void
)
const
;
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const
Time
&
GetLastSent
(
void
)
const
;
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struct
RateInformation
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{
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uint64_t
m_delivered
{0};
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Time
m_deliveredTime
{
Time::Max
()};
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Time
m_firstSent
{
Time::Max
()};
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bool
m_isAppLimited
{
false
};
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};
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RateInformation &
GetRateInformation
(
void
);
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private
:
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// Only TcpTxBuffer is allower to touch this part of the TcpTxItem, to manage
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// its internal lists and counters
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friend
class
TcpTxBuffer
;
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SequenceNumber32
m_startSeq
{0};
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Ptr<Packet>
m_packet
{
nullptr
};
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bool
m_lost
{
false
};
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bool
m_retrans
{
false
};
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Time
m_lastSent
{
Time::Max
()};
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bool
m_sacked
{
false
};
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RateInformation
m_rateInfo
;
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};
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}
//namespace ns3
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#endif
/* TCP_TX_ITEM_H */
ns3::Time
Simulation virtual time values and global simulation resolution.
Definition:
nstime.h:102
ns3::TcpTxItem::m_retrans
bool m_retrans
Indicates if the segment is retransmitted.
Definition:
tcp-tx-item.h:109
ns3::Ptr< Packet >
ns3::TcpTxItem::GetSeqSize
uint32_t GetSeqSize(void) const
Get the size in the sequence number space.
Definition:
tcp-tx-item.cc:62
ns3::TcpTxItem::IsRetrans
bool IsRetrans(void) const
Is the item retransmitted?
Definition:
tcp-tx-item.cc:74
ns3::Time::Max
static Time Max()
Maximum representable Time.
Definition:
nstime.h:279
ns3::TcpTxItem
Item that encloses the application packet and some flags for it.
Definition:
tcp-tx-item.h:32
ns3::TcpTxItem::m_lastSent
Time m_lastSent
Timestamp of the time at which the segment has been sent last time.
Definition:
tcp-tx-item.h:110
ns3::TcpTxItem::RateInformation::m_delivered
uint64_t m_delivered
Connection's delivered data at the time the packet was sent.
Definition:
tcp-tx-item.h:88
ns3::TcpTxItem::m_startSeq
SequenceNumber32 m_startSeq
Sequence number of the item (if transmitted)
Definition:
tcp-tx-item.h:106
ns3::TcpTxItem::RateInformation::m_isAppLimited
bool m_isAppLimited
Connection's app limited at the time the packet was sent.
Definition:
tcp-tx-item.h:91
ns3::TcpTxItem::GetRateInformation
RateInformation & GetRateInformation(void)
Get (to modify) the Rate Information of this item.
Definition:
tcp-tx-item.cc:98
ns3::TcpTxItem::IsSacked
bool IsSacked(void) const
Is the item sacked?
Definition:
tcp-tx-item.cc:68
ns3::TcpTxItem::RateInformation::m_firstSent
Time m_firstSent
Connection's first sent time at the time the packet was sent.
Definition:
tcp-tx-item.h:90
ns3::TcpTxBuffer
Tcp sender buffer.
Definition:
tcp-tx-buffer.h:122
ns3::TcpTxItem::m_rateInfo
RateInformation m_rateInfo
Rate information of the item.
Definition:
tcp-tx-item.h:113
ns3::TcpTxItem::RateInformation
Various rate-related information, can be accessed by TcpRateOps.
Definition:
tcp-tx-item.h:86
ns3::TcpTxItem::m_packet
Ptr< Packet > m_packet
Application packet (can be null)
Definition:
tcp-tx-item.h:107
ns3
Every class exported by the ns3 library is enclosed in the ns3 namespace.
ns3::SequenceNumber< uint32_t, int32_t >
ns3::TcpTxItem::GetPacket
Ptr< const Packet > GetPacket(void) const
Get the Packet underlying this item.
Definition:
tcp-tx-item.cc:86
ns3::TcpTxItem::GetPacketCopy
Ptr< Packet > GetPacketCopy(void) const
Get a copy of the Packet underlying this item.
Definition:
tcp-tx-item.cc:80
ns3::TcpTxItem::RateInformation::m_deliveredTime
Time m_deliveredTime
Connection's delivered time at the time the packet was sent.
Definition:
tcp-tx-item.h:89
ns3::TcpTxItem::GetLastSent
const Time & GetLastSent(void) const
Get a reference to the time the packet was sent for the last time.
Definition:
tcp-tx-item.cc:92
ns3::TcpTxItem::m_sacked
bool m_sacked
Indicates if the segment has been SACKed.
Definition:
tcp-tx-item.h:111
ns3::TcpTxItem::Print
void Print(std::ostream &os) const
Print the time.
Definition:
tcp-tx-item.cc:24
ns3::TcpTxItem::m_lost
bool m_lost
Indicates if the segment has been lost (RTO)
Definition:
tcp-tx-item.h:108
src
internet
model
tcp-tx-item.h
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