12#include "ns3/data-rate.h"
13#include "ns3/object.h"
14#include "ns3/traced-callback.h"
15#include "ns3/traced-value.h"
109 const Time& minRtt) = 0;
206 const uint32_t retransOut)
override;
211 const Time& minRtt)
override;
Class for representing data rates.
A base class which provides memory management and object aggregation.
Linux management and generation of Rate information for TCP.
TracedCallback< const TcpRateConnection & > m_rateTrace
Rate trace.
void(* TcpRateSampleUpdated)(const TcpRateSample &sample)
TracedCallback signature for tcp rate sample update events.
void SkbDelivered(TcpTxItem *skb) override
Update the Rate information after an item is received.
const TcpRateConnection & GetConnectionRate() override
TracedCallback< const TcpRateSample & > m_rateSampleTrace
Rate Sample trace.
TcpRateSample m_rateSample
Rate sample (continuously updated)
void(* TcpRateUpdated)(const TcpRateConnection &rate)
TracedCallback signature for tcp rate update events.
TcpRateConnection m_rate
Rate information.
void SkbSent(TcpTxItem *skb, bool isStartOfTransmission) override
Put the rate information inside the sent skb.
const TcpRateSample & GenerateSample(uint32_t delivered, uint32_t lost, bool is_sack_reneg, uint32_t priorInFlight, const Time &minRtt) override
Generate a TcpRateSample to feed a congestion avoidance algorithm.
static TypeId GetTypeId()
Get the type ID.
void CalculateAppLimited(uint32_t cWnd, uint32_t in_flight, uint32_t segmentSize, const SequenceNumber32 &tailSeq, const SequenceNumber32 &nextTx, const uint32_t lostOut, const uint32_t retransOut) override
If a gap is detected between sends, it means we are app-limited.
Interface for all operations that involve a Rate monitoring for TCP.
static TypeId GetTypeId()
Get the type ID.
virtual const TcpRateSample & GenerateSample(uint32_t delivered, uint32_t lost, bool is_sack_reneg, uint32_t priorInFlight, const Time &minRtt)=0
Generate a TcpRateSample to feed a congestion avoidance algorithm.
virtual void SkbSent(TcpTxItem *skb, bool isStartOfTransmission)=0
Put the rate information inside the sent skb.
virtual void CalculateAppLimited(uint32_t cWnd, uint32_t in_flight, uint32_t segmentSize, const SequenceNumber32 &tailSeq, const SequenceNumber32 &nextTx, const uint32_t lostOut, const uint32_t retransOut)=0
If a gap is detected between sends, it means we are app-limited.
virtual const TcpRateConnection & GetConnectionRate()=0
virtual void SkbDelivered(TcpTxItem *skb)=0
Update the Rate information after an item is received.
Item that encloses the application packet and some flags for it.
Simulation virtual time values and global simulation resolution.
Forward calls to a chain of Callback.
a unique identifier for an interface.
Time Seconds(double value)
Construct a Time in the indicated unit.
Every class exported by the ns3 library is enclosed in the ns3 namespace.
bool operator==(const EventId &a, const EventId &b)
std::ostream & operator<<(std::ostream &os, const Angles &a)
Information about the connection rate.
uint32_t m_txItemDelivered
The value of delivered when the acked item was sent.
Time m_deliveredTime
Simulator time when m_delivered was last updated.
int32_t m_rateDelivered
The amount of data delivered considered to calculate delivery rate.
uint64_t m_delivered
The total amount of data in bytes delivered so far.
uint32_t m_appLimited
The index of the last transmitted packet marked as application-limited.
bool m_rateAppLimited
Was sample was taken when data is app limited?
Time m_firstSentTime
The send time of the packet that was most recently marked as delivered.
Time m_rateInterval
The value of interval considered to calculate delivery rate.
Time m_ackElapsed
ACK time interval calculated from the most recent packet delivered.
bool IsValid() const
Is the sample valid?
bool m_isAppLimited
Indicates whether the rate sample is application-limited.
uint32_t m_ackedSacked
The amount of data acked and sacked in the last received ack.
DataRate m_deliveryRate
The delivery rate sample.
uint32_t m_priorInFlight
The value if bytes in flight prior to last received ack.
Time m_sendElapsed
Send time interval calculated from the most recent packet delivered.
Time m_interval
The length of the sampling interval.
uint32_t m_priorDelivered
The delivered count of the most recent packet delivered.
int32_t m_delivered
The amount of data marked as delivered over the sampling interval.
uint32_t m_bytesLoss
The amount of data marked as lost from the most recent ack received.
Time m_priorTime
The delivered time of the most recent packet delivered.