OpenJDK 27 · jdk.internal.net.http.quic.QuicCongestionController

Method Summary

Modifier and Type	Method and Description
public void	appLimited() Notify the congestion controller that sending is app-limited
public boolean	Returns: true if a new non-ACK packet can be sent at this time canSendPacket() Returns true if a new non-ACK packet can be sent at this time.
public long	Returns: the current size of the congestion window in bytes congestionWindow() Returns the current size of the congestion window in bytes.
public long	Returns: the initial window size in bytes initialWindow() Returns the initial window size in bytes.
public boolean	Returns: true if sending is blocked by congestion window isCwndLimited() Returns true if sending is blocked by congestion window.
public boolean	Returns: true if sending is blocked by pacer isPacerLimited() Returns true if sending is blocked by pacer.
public boolean	Returns: true if the connection is in slow start phase isSlowStart() Returns true if the connection is in slow start phase.
public long	Returns: maximum datagram size maxDatagramSize() Returns maximum datagram size.
public Deadline	Returns: deadline when pacer will unblock sending pacerDeadline() Returns deadline when pacer will unblock sending.
public void	packetAcked(int acked packet size in bytes packetBytes, Deadline time when packet was sent sentTime) Update CC after a non-ACK packet is acked
public void	packetDiscarded(Collection<QuicPacket> collection of discarded packets discardedPackets) Update CC after packets are discarded
public void	packetLost(Collection<QuicPacket> collection of lost packets lostPackets, Deadline time when the most recent lost packet was sent sentTime, boolean true if persistent congestion detected, false otherwise persistent) Update CC after packets are declared lost
public void	packetSent(int packet size in bytes packetBytes) Update CC with a non-ACK packet
public void	updateMaxDatagramSize(int new maximum datagram size. newSize) Update the maximum datagram size
public void	updatePacer(Deadline the current time now) Update the pacer with the current time

Method Detail

appLimited	back to summary
public void appLimited() Notify the congestion controller that sending is app-limited

canSendPacket	back to summary
public boolean canSendPacket() Returns true if a new non-ACK packet can be sent at this time. Returns:boolean true if a new non-ACK packet can be sent at this time

canSendPacket

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public boolean canSendPacket()

Returns true if a new non-ACK packet can be sent at this time.

Returns:boolean: true if a new non-ACK packet can be sent at this time

congestionWindow	back to summary
public long congestionWindow() Returns the current size of the congestion window in bytes. Returns:long the current size of the congestion window in bytes

congestionWindow

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public long congestionWindow()

Returns the current size of the congestion window in bytes.

Returns:long: the current size of the congestion window in bytes

initialWindow	back to summary
public long initialWindow() Returns the initial window size in bytes. Returns:long the initial window size in bytes

initialWindow

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public long initialWindow()

Returns the initial window size in bytes.

Returns:long: the initial window size in bytes

isCwndLimited	back to summary
public boolean isCwndLimited() Returns true if sending is blocked by congestion window. Returns:boolean true if sending is blocked by congestion window

isCwndLimited

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public boolean isCwndLimited()

Returns true if sending is blocked by congestion window.

Returns:boolean: true if sending is blocked by congestion window

isPacerLimited	back to summary
public boolean isPacerLimited() Returns true if sending is blocked by pacer. Returns:boolean true if sending is blocked by pacer

isPacerLimited

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public boolean isPacerLimited()

Returns true if sending is blocked by pacer.

Returns:boolean: true if sending is blocked by pacer

isSlowStart	back to summary
public boolean isSlowStart() Returns true if the connection is in slow start phase. Returns:boolean true if the connection is in slow start phase

isSlowStart

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public boolean isSlowStart()

Returns true if the connection is in slow start phase.

Returns:boolean: true if the connection is in slow start phase

maxDatagramSize	back to summary
public long maxDatagramSize() Returns maximum datagram size. Returns:long maximum datagram size

maxDatagramSize

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public long maxDatagramSize()

Returns maximum datagram size.

Returns:long: maximum datagram size

pacerDeadline	back to summary
public Deadline pacerDeadline() Returns deadline when pacer will unblock sending. Returns:Deadline deadline when pacer will unblock sending

pacerDeadline

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public Deadline pacerDeadline()

Returns deadline when pacer will unblock sending.

Returns:Deadline: deadline when pacer will unblock sending

packetAcked	back to summary
public void packetAcked(int packetBytes, Deadline sentTime) Update CC after a non-ACK packet is acked Parameters packetBytes:int acked packet size in bytes sentTime:Deadline time when packet was sent

packetAcked

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public void packetAcked(int packetBytes, Deadline sentTime)

Update CC after a non-ACK packet is acked

Parameters

packetBytes:int: acked packet size in bytes
sentTime:Deadline: time when packet was sent

packetDiscarded	back to summary
public void packetDiscarded(Collection<QuicPacket> discardedPackets) Update CC after packets are discarded Parameters discardedPackets:Collection<QuicPacket> collection of discarded packets

packetDiscarded

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public void packetDiscarded(Collection<QuicPacket> discardedPackets)

Update CC after packets are discarded

Parameters

discardedPackets:Collection<QuicPacket>: collection of discarded packets

packetLost	back to summary
public void packetLost(Collection<QuicPacket> lostPackets, Deadline sentTime, boolean persistent) Update CC after packets are declared lost Parameters lostPackets:Collection<QuicPacket> collection of lost packets sentTime:Deadline time when the most recent lost packet was sent persistent:boolean true if persistent congestion detected, false otherwise

packetLost

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public void packetLost(Collection<QuicPacket> lostPackets, Deadline sentTime, boolean persistent)

Update CC after packets are declared lost

Parameters

lostPackets:Collection<QuicPacket>: collection of lost packets
sentTime:Deadline: time when the most recent lost packet was sent
persistent:boolean: true if persistent congestion detected, false otherwise

packetSent	back to summary
public void packetSent(int packetBytes) Update CC with a non-ACK packet Parameters packetBytes:int packet size in bytes

packetSent

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public void packetSent(int packetBytes)

Update CC with a non-ACK packet

Parameters

packetBytes:int: packet size in bytes

updateMaxDatagramSize	back to summary
public void updateMaxDatagramSize(int newSize) Update the maximum datagram size Parameters newSize:int new maximum datagram size.

updateMaxDatagramSize

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public void updateMaxDatagramSize(int newSize)

Update the maximum datagram size

Parameters

newSize:int: new maximum datagram size.

updatePacer	back to summary
public void updatePacer(Deadline now) Update the pacer with the current time Parameters now:Deadline the current time

updatePacer

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public void updatePacer(Deadline now)

Update the pacer with the current time

Parameters

now:Deadline: the current time

public Interface QuicCongestionController

Method Summary

Method Detail