State variables for DcTcp. More...

#include <DcTcpFamily.h>

Inheritance diagram for inet::tcp::DcTcpFamilyStateVariables:

Public Member Functions
	DcTcpFamilyStateVariables ()

virtual std::string	str () const override

virtual std::string	detailedInfo () const override

Public Member Functions inherited from inet::tcp::TcpTahoeRenoFamilyStateVariables
	TcpTahoeRenoFamilyStateVariables ()

virtual void	setSendQueueLimit (uint32_t newLimit)

Public Member Functions inherited from inet::tcp::TcpBaseAlgStateVariables
	TcpBaseAlgStateVariables ()

Public Member Functions inherited from inet::tcp::TcpStateVariables
	TcpStateVariables ()

Public Attributes
bool	dctcp_ce

uint32_t	dctcp_windEnd

uint32_t	dctcp_bytesAcked

uint32_t	dctcp_bytesMarked

double	dctcp_alpha

double	dctcp_gamma

Public Attributes inherited from inet::tcp::TcpTahoeRenoFamilyStateVariables
uint32_t	ssthresh
	slow start threshold More...

Public Attributes inherited from inet::tcp::TcpBaseAlgStateVariables
int	rexmit_count
	retransmit count More...

simtime_t	rexmit_timeout
	current retransmission timeout (aka RTO) More...

uint	persist_factor
	persist factor More...

simtime_t	persist_timeout
	current persist timeout More...

uint32_t	snd_cwnd
	congestion window More...

uint32_t	rtseq
	round-trip time measurements More...

simtime_t	rtseq_sendtime
	time when rtseq was sent (0 if RTT measurement is not running) More...

simtime_t	srtt
	round-trip time estimation (Jacobson's algorithm) More...

simtime_t	rttvar
	variance of round-trip time More...

uint32_t	numRtos
	number of RTOs More...

uint32_t	recover
	RFC 3782 variables. More...

bool	firstPartialACK
	first partial acknowledgement (RFC 3782) More...

Public Attributes inherited from inet::tcp::TcpStateVariables
bool	active

bool	fork

uint32_t	snd_mss

uint32_t	snd_una

uint32_t	snd_nxt

uint32_t	snd_max

uint32_t	snd_wnd

uint32_t	snd_up

uint32_t	snd_wl1

uint32_t	snd_wl2

uint32_t	iss

uint32_t	rcv_nxt

uint32_t	rcv_wnd

uint32_t	rcv_up

uint32_t	irs

uint32_t	rcv_adv

int	syn_rexmit_count

simtime_t	syn_rexmit_timeout

bool	fin_ack_rcvd

bool	send_fin

uint32_t	snd_fin_seq

bool	fin_rcvd

uint32_t	rcv_fin_seq

bool	nagle_enabled

bool	delayed_acks_enabled

bool	limited_transmit_enabled

bool	increased_IW_enabled

uint32_t	full_sized_segment_counter

bool	ack_now

bool	afterRto

bool	ws_support

bool	ws_enabled

int	ws_manual_scale

bool	snd_ws

bool	rcv_ws

uint	rcv_wnd_scale

uint	snd_wnd_scale

bool	ts_support

bool	ts_enabled

bool	snd_initial_ts

bool	rcv_initial_ts

uint32_t	ts_recent

uint32_t	last_ack_sent

simtime_t	time_last_data_sent

bool	sack_support

bool	sack_enabled

bool	snd_sack_perm

bool	rcv_sack_perm

uint32_t	start_seqno

uint32_t	end_seqno

bool	snd_sack

bool	snd_dsack

SackList	sacks_array

uint32_t	highRxt

uint32_t	pipe

uint32_t	recoveryPoint

uint32_t	sackedBytes

uint32_t	sackedBytes_old

bool	lossRecovery

uint32_t	sendQueueLimit

bool	queueUpdate

uint32_t	dupacks

uint32_t	snd_sacks

uint32_t	rcv_sacks

uint32_t	rcv_oooseg

uint32_t	rcv_naseg

uint32_t	maxRcvBuffer

uint32_t	usedRcvBuffer

uint32_t	freeRcvBuffer

uint32_t	tcpRcvQueueDrops

bool	ecnEchoState

bool	sndCwr

bool	gotEce

bool	gotCeIndication

bool	ect

bool	endPointIsWillingECN

bool	ecnSynSent

bool	ecnWillingness

bool	sndAck

bool	rexmit

simtime_t	eceReactionTime

uint32_t	dupthresh

Detailed Description

State variables for DcTcp.

Constructor & Destructor Documentation

◆ DcTcpFamilyStateVariables()

inet::tcp::DcTcpFamilyStateVariables::DcTcpFamilyStateVariables ( )

 {
     dctcp_ce = false;
     dctcp_alpha = 0;
     dctcp_windEnd = snd_una;
     dctcp_bytesAcked = 0;
     dctcp_bytesMarked = 0;
     dctcp_gamma = 0.0625; // 1/16 (backup 0.16) TODO make it NED parameter;
 }

Member Function Documentation

◆ detailedInfo()

std::string inet::tcp::DcTcpFamilyStateVariables::detailedInfo ( ) const

overridevirtual

Reimplemented from inet::tcp::TcpTahoeRenoFamilyStateVariables.

 {
     std::stringstream out;
     out << TcpTahoeRenoFamilyStateVariables::detailedInfo();
     out << " dctcp_alpha=" << dctcp_alpha;
     out << " dctcp_windEnd=" << dctcp_windEnd;
     out << " dctcp_bytesAcked=" << dctcp_bytesAcked;
     out << " dctcp_bytesMarked=" << dctcp_bytesMarked;
     out << " dctcp_gamma=" << dctcp_gamma;
     return out.str();
 }

◆ str()

std::string inet::tcp::DcTcpFamilyStateVariables::str ( ) const

overridevirtual

Reimplemented from inet::tcp::TcpTahoeRenoFamilyStateVariables.

 {
     std::stringstream out;
     out << TcpTahoeRenoFamilyStateVariables::str();
     out << " dctcp_alpha=" << dctcp_alpha;
     out << " dctcp_windEnd=" << dctcp_windEnd;
     out << " dctcp_bytesAcked=" << dctcp_bytesAcked;
     out << " dctcp_bytesMarked=" << dctcp_bytesMarked;
     out << " dctcp_gamma=" << dctcp_gamma;
  
     return out.str();
 }