ns3::TcpTxItem Class Reference

Item that encloses the application packet and some flags for it. More...

#include "tcp-tx-buffer.h"

Collaboration diagram for ns3::TcpTxItem:

Public Member Functions
uint32_t	GetSeqSize (void) const
	Get the size in the sequence number space. More...
void	Print (std::ostream &os) const
	Print the time. More...

Public Attributes
Time	m_lastSent {Time::Min()}
	Timestamp of the time at which the segment has been sent last time. More...
bool	m_lost {false}
	Indicates if the segment has been lost (RTO) More...
Ptr< Packet >	m_packet {nullptr}
	Application packet (can be null) More...
bool	m_retrans {false}
	Indicates if the segment is retransmitted. More...
bool	m_sacked {false}
	Indicates if the segment has been SACKed. More...
SequenceNumber32	m_startSeq {0}
	Sequence number of the item (if transmitted) More...

Detailed Description

Item that encloses the application packet and some flags for it.

Definition at line 40 of file tcp-tx-buffer.h.

Member Function Documentation

GetSeqSize()

uint32_t ns3::TcpTxItem::GetSeqSize ( void  ) const

inline

Get the size in the sequence number space.

Returns

1 if the packet size is 0 or there's no packet, otherwise the size of the packet

Definition at line 56 of file tcp-tx-buffer.h.

References ns3::Packet::GetSize(), and m_packet.

Referenced by Print().

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Print()

void ns3::TcpTxItem::Print

(

std::ostream &

os

)

const

Print the time.

Parameters

os

ostream

Definition at line 37 of file tcp-tx-buffer.cc.

References ns3::Time::GetSeconds(), GetSeqSize(), m_lastSent, m_lost, m_retrans, m_sacked, and m_startSeq.

Referenced by ns3::operator<<().

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Member Data Documentation

m_lastSent

Time ns3::TcpTxItem::m_lastSent {Time::Min()}

Timestamp of the time at which the segment has been sent last time.

Definition at line 62 of file tcp-tx-buffer.h.

Referenced by ns3::TcpTxBuffer::CopyFromSequence(), ns3::TcpTxBuffer::MergeItems(), Print(), and ns3::TcpTxBuffer::SplitItems().

m_lost

bool ns3::TcpTxItem::m_lost {false}

Indicates if the segment has been lost (RTO)

Definition at line 60 of file tcp-tx-buffer.h.

Referenced by ns3::TcpTxBuffer::DiscardUpTo(), ns3::TcpTxBuffer::IsLostRFC(), ns3::TcpTxBuffer::MergeItems(), ns3::TcpTxBuffer::NextSeg(), Print(), ns3::TcpTxBuffer::RemoveFromCounts(), ns3::TcpTxBuffer::ResetSentList(), ns3::TcpTxBuffer::SplitItems(), and ns3::TcpTxBuffer::UpdateLostCount().

m_packet

Ptr<Packet> ns3::TcpTxItem::m_packet {nullptr}

Application packet (can be null)

Definition at line 59 of file tcp-tx-buffer.h.

Referenced by ns3::TcpTxBuffer::Add(), ns3::TcpTxBuffer::BytesInFlightRFC(), ns3::TcpTxBuffer::CopyFromSequence(), ns3::TcpTxBuffer::DiscardUpTo(), ns3::TcpTxBuffer::FindHighestSacked(), ns3::TcpTxBuffer::GetNewSegment(), ns3::TcpTxBuffer::GetPacketFromList(), GetSeqSize(), ns3::TcpTxBuffer::GetTransmittedSegment(), ns3::TcpTxBuffer::IsLostRFC(), ns3::TcpTxBuffer::MergeItems(), ns3::TcpTxBuffer::NextSeg(), ns3::TcpTxBuffer::ResetLastSegmentSent(), ns3::TcpTxBuffer::SplitItems(), ns3::TcpTxBuffer::UpdateLostCount(), and ns3::TcpTxBuffer::~TcpTxBuffer().

m_retrans

bool ns3::TcpTxItem::m_retrans {false}

Indicates if the segment is retransmitted.

Definition at line 61 of file tcp-tx-buffer.h.

Referenced by ns3::TcpTxBuffer::BytesInFlightRFC(), ns3::TcpTxBuffer::CopyFromSequence(), ns3::TcpTxBuffer::GetTransmittedSegment(), ns3::TcpTxBuffer::IsLostRFC(), ns3::TcpTxBuffer::MergeItems(), ns3::TcpTxBuffer::NextSeg(), Print(), ns3::TcpTxBuffer::RemoveFromCounts(), ns3::TcpTxBuffer::ResetLastSegmentSent(), ns3::TcpTxBuffer::ResetSentList(), and ns3::TcpTxBuffer::SplitItems().

m_sacked

bool ns3::TcpTxItem::m_sacked {false}

Indicates if the segment has been SACKed.

Definition at line 63 of file tcp-tx-buffer.h.

Referenced by ns3::TcpTxBuffer::BytesInFlightRFC(), ns3::TcpTxBuffer::CopyFromSequence(), ns3::TcpTxBuffer::DiscardUpTo(), ns3::TcpTxBuffer::FindHighestSacked(), ns3::TcpTxBuffer::IsLostRFC(), ns3::TcpTxBuffer::MergeItems(), ns3::TcpTxBuffer::NextSeg(), Print(), ns3::TcpTxBuffer::RemoveFromCounts(), ns3::TcpTxBuffer::ResetSentList(), ns3::TcpTxBuffer::SplitItems(), and ns3::TcpTxBuffer::UpdateLostCount().

m_startSeq

SequenceNumber32 ns3::TcpTxItem::m_startSeq {0}

Sequence number of the item (if transmitted)

Definition at line 58 of file tcp-tx-buffer.h.

Referenced by ns3::TcpTxBuffer::CopyFromSequence(), ns3::TcpTxBuffer::DiscardUpTo(), ns3::TcpTxBuffer::GetNewSegment(), ns3::TcpTxBuffer::GetPacketFromList(), Print(), and ns3::TcpTxBuffer::SplitItems().

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The documentation for this class was generated from the following files:

• src/internet/model/tcp-tx-buffer.h
• src/internet/model/tcp-tx-buffer.cc