io.aeron.driver

Class NetworkPublication

java.lang.Object

io.aeron.driver.NetworkPublication

All Implemented Interfaces:

DriverManagedResource, RetransmitSender, org.agrona.ManagedResource

public class NetworkPublication
extends java.lang.Object
implements RetransmitSender, DriverManagedResource

Publication to be sent to registered subscribers.

Constructor Summary

Constructors

Constructor and Description

NetworkPublication(SendChannelEndpoint channelEndpoint, org.agrona.concurrent.NanoClock nanoClock, org.agrona.concurrent.EpochClock epochClock, RawLog rawLog, org.agrona.concurrent.status.Position publisherLimit, org.agrona.concurrent.status.Position senderPosition, int sessionId, int streamId, int initialTermId, int mtuLength, SystemCounters systemCounters, FlowControl flowControl, RetransmitHandler retransmitHandler)

Method Summary

Modifier and Type	Method and Description
void	close()
long	consumerPosition() Position of the consumer for this resource.
int	decRef() Decrement reference count to this resource.
void	delete()
boolean	hasReachedEndOfLife() Has resource reached end of its life and should be reclaimed?
int	incRef() Increment reference count to this resource.
void	onNak(int termId, int termOffset, int length)
void	onStatusMessage(int termId, int termOffset, int receiverWindowLength, java.net.InetSocketAddress srcAddress)
void	onTimeEvent(long time, DriverConductor conductor) Inform resource of time passing and pass it DriverConductor to inform of any state transitions.
long	producerPosition() Position of the producer for this resource.
void	resend(int termId, int termOffset, int length) Called when a retransmit should be sent
int	send(long now)
SendChannelEndpoint	sendChannelEndpoint()
int	sessionId()
int	streamId()
long	timeOfLastStateChange()
void	timeOfLastStateChange(long time)
void	triggerSendSetupFrame()
boolean	unblockAtConsumerPosition() Unblock the resource at consumer position.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

NetworkPublication

public NetworkPublication(SendChannelEndpoint channelEndpoint,
                          org.agrona.concurrent.NanoClock nanoClock,
                          org.agrona.concurrent.EpochClock epochClock,
                          RawLog rawLog,
                          org.agrona.concurrent.status.Position publisherLimit,
                          org.agrona.concurrent.status.Position senderPosition,
                          int sessionId,
                          int streamId,
                          int initialTermId,
                          int mtuLength,
                          SystemCounters systemCounters,
                          FlowControl flowControl,
                          RetransmitHandler retransmitHandler)

Method Detail

close

public void close()

send

public int send(long now)

sendChannelEndpoint

public SendChannelEndpoint sendChannelEndpoint()

sessionId

public int sessionId()

streamId

public int streamId()

resend

public void resend(int termId,
                   int termOffset,
                   int length)

Description copied from interface: RetransmitSender

Called when a retransmit should be sent

Specified by:

resend in interface RetransmitSender

Parameters:

termId - for the NAK

termOffset - for the NAK

length - for the NAK

triggerSendSetupFrame

public void triggerSendSetupFrame()

onNak

public void onNak(int termId,
                  int termOffset,
                  int length)

onStatusMessage

public void onStatusMessage(int termId,
                            int termOffset,
                            int receiverWindowLength,
                            java.net.InetSocketAddress srcAddress)

onTimeEvent

public void onTimeEvent(long time,
                        DriverConductor conductor)

Description copied from interface: DriverManagedResource

Inform resource of time passing and pass it DriverConductor to inform of any state transitions.

Specified by:

onTimeEvent in interface DriverManagedResource

Parameters:

time - now in nanoseconds

conductor - to inform of any state transitions

hasReachedEndOfLife

public boolean hasReachedEndOfLife()

Description copied from interface: DriverManagedResource

Has resource reached end of its life and should be reclaimed?

Specified by:

hasReachedEndOfLife in interface DriverManagedResource

Returns:

whether resource has reached end of life or not

timeOfLastStateChange

public void timeOfLastStateChange(long time)

Specified by:

timeOfLastStateChange in interface org.agrona.ManagedResource

timeOfLastStateChange

public long timeOfLastStateChange()

Specified by:

timeOfLastStateChange in interface org.agrona.ManagedResource

delete

public void delete()

Specified by:

delete in interface org.agrona.ManagedResource

decRef

public int decRef()

Description copied from interface: DriverManagedResource

Decrement reference count to this resource.

Specified by:

decRef in interface DriverManagedResource

Returns:

new reference count value

incRef

public int incRef()

Description copied from interface: DriverManagedResource

Increment reference count to this resource.

Specified by:

incRef in interface DriverManagedResource

Returns:

new reference count value

producerPosition

public long producerPosition()

Description copied from interface: DriverManagedResource

Position of the producer for this resource.

Specified by:

producerPosition in interface DriverManagedResource

Returns:

position of the producer

consumerPosition

public long consumerPosition()

Description copied from interface: DriverManagedResource

Position of the consumer for this resource.

Specified by:

consumerPosition in interface DriverManagedResource

Returns:

position of the consumer

unblockAtConsumerPosition

public boolean unblockAtConsumerPosition()

Description copied from interface: DriverManagedResource

Unblock the resource at consumer position.

Specified by:

unblockAtConsumerPosition in interface DriverManagedResource

Returns:

whether unblocking was necessary or not