io.aeron.driver.media

Class ReceiveChannelEndpoint

java.lang.Object

io.aeron.driver.media.UdpChannelTransport

io.aeron.driver.media.ReceiveChannelEndpoint

All Implemented Interfaces:

java.lang.AutoCloseable

Direct Known Subclasses:

DebugReceiveChannelEndpoint

public class ReceiveChannelEndpoint
extends UdpChannelTransport

Aggregator of multiple subscriptions onto a single transport channel for receiving of data and setup frames plus sending status and NAK frames.

Field Summary

Fields inherited from class io.aeron.driver.media.UdpChannelTransport

bindAddress, connectAddress, endPointAddress, errorLog, invalidPackets, multicastTtl, receiveDatagramChannel, selectionKey, sendDatagramChannel, transportPoller, udpChannel

Constructor Summary

Constructors

Constructor and Description
ReceiveChannelEndpoint(UdpChannel udpChannel, DataPacketDispatcher dispatcher, org.agrona.concurrent.status.AtomicCounter statusIndicator, MediaDriver.Context context)

Method Summary

Modifier and Type	Method and Description
void	addPublicationImage(PublicationImage image)
void	addSubscription(int streamId)
void	close() Close transport, canceling any pending read operations and closing channel
void	closeStatusIndicator()
int	decRefToStream(int streamId)
java.net.InetSocketAddress	explicitControlAddress()
boolean	hasExplicitControl()
int	incRefToStream(int streamId)
void	indicateActive()
int	onDataPacket(io.aeron.protocol.DataHeaderFlyweight header, org.agrona.concurrent.UnsafeBuffer buffer, int length, java.net.InetSocketAddress srcAddress)
void	onRttMeasurement(io.aeron.protocol.RttMeasurementFlyweight header, org.agrona.concurrent.UnsafeBuffer buffer, int length, java.net.InetSocketAddress srcAddress)
void	onSetupMessage(io.aeron.protocol.SetupFlyweight header, org.agrona.concurrent.UnsafeBuffer buffer, int length, java.net.InetSocketAddress srcAddress)
void	openChannel()
java.lang.String	originalUriString()
void	possibleTtlAsymmetryEncountered()
void	removeCoolDown(int sessionId, int streamId)
void	removePendingSetup(int sessionId, int streamId)
void	removePublicationImage(PublicationImage publicationImage)
void	removeSubscription(int streamId)
void	sendNakMessage(java.net.InetSocketAddress controlAddress, int sessionId, int streamId, int termId, int termOffset, int length)
void	sendRttMeasurement(java.net.InetSocketAddress controlAddress, int sessionId, int streamId, long echoTimestampNs, long receptionDelta, boolean isReply)
void	sendSetupElicitingStatusMessage(java.net.InetSocketAddress controlAddress, int sessionId, int streamId)
void	sendStatusMessage(java.net.InetSocketAddress controlAddress, int sessionId, int streamId, int termId, int termOffset, int window, short flags)
int	sendTo(java.nio.ByteBuffer buffer, java.net.InetSocketAddress remoteAddress) Send contents of ByteBuffer to remote address
boolean	shouldBeClosed()
boolean	shouldElicitSetupMessage()
int	streamCount()
void	validateSenderMtuLength(int senderMtuLength)
void	validateWindowMaxLength(int windowMaxLength)

Methods inherited from class io.aeron.driver.media.UdpChannelTransport

getOption, isMulticast, isValidFrame, multicastTtl, openDatagramChannel, receive, receiveDatagramChannel, registerForRead, udpChannel

Methods inherited from class java.lang.Object

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

Constructor Detail

ReceiveChannelEndpoint

public ReceiveChannelEndpoint(UdpChannel udpChannel,
                              DataPacketDispatcher dispatcher,
                              org.agrona.concurrent.status.AtomicCounter statusIndicator,
                              MediaDriver.Context context)

Method Detail

sendTo

public int sendTo(java.nio.ByteBuffer buffer,
                  java.net.InetSocketAddress remoteAddress)

Send contents of ByteBuffer to remote address

Parameters:

buffer - to send

remoteAddress - to send to

Returns:

number of bytes sent

originalUriString

public java.lang.String originalUriString()

indicateActive

public void indicateActive()

closeStatusIndicator

public void closeStatusIndicator()

close

public void close()

Description copied from class: UdpChannelTransport

Close transport, canceling any pending read operations and closing channel

Specified by:

close in interface java.lang.AutoCloseable

Overrides:

close in class UdpChannelTransport

openChannel

public void openChannel()

possibleTtlAsymmetryEncountered

public void possibleTtlAsymmetryEncountered()

incRefToStream

public int incRefToStream(int streamId)

decRefToStream

public int decRefToStream(int streamId)

streamCount

public int streamCount()

shouldBeClosed

public boolean shouldBeClosed()

hasExplicitControl

public boolean hasExplicitControl()

explicitControlAddress

public java.net.InetSocketAddress explicitControlAddress()

onDataPacket

public int onDataPacket(io.aeron.protocol.DataHeaderFlyweight header,
                        org.agrona.concurrent.UnsafeBuffer buffer,
                        int length,
                        java.net.InetSocketAddress srcAddress)

onSetupMessage

public void onSetupMessage(io.aeron.protocol.SetupFlyweight header,
                           org.agrona.concurrent.UnsafeBuffer buffer,
                           int length,
                           java.net.InetSocketAddress srcAddress)

onRttMeasurement

public void onRttMeasurement(io.aeron.protocol.RttMeasurementFlyweight header,
                             org.agrona.concurrent.UnsafeBuffer buffer,
                             int length,
                             java.net.InetSocketAddress srcAddress)

sendSetupElicitingStatusMessage

public void sendSetupElicitingStatusMessage(java.net.InetSocketAddress controlAddress,
                                            int sessionId,
                                            int streamId)

validateWindowMaxLength

public void validateWindowMaxLength(int windowMaxLength)

validateSenderMtuLength

public void validateSenderMtuLength(int senderMtuLength)

sendStatusMessage

public void sendStatusMessage(java.net.InetSocketAddress controlAddress,
                              int sessionId,
                              int streamId,
                              int termId,
                              int termOffset,
                              int window,
                              short flags)

sendNakMessage

public void sendNakMessage(java.net.InetSocketAddress controlAddress,
                           int sessionId,
                           int streamId,
                           int termId,
                           int termOffset,
                           int length)

sendRttMeasurement

public void sendRttMeasurement(java.net.InetSocketAddress controlAddress,
                               int sessionId,
                               int streamId,
                               long echoTimestampNs,
                               long receptionDelta,
                               boolean isReply)

removePendingSetup

public void removePendingSetup(int sessionId,
                               int streamId)

removePublicationImage

public void removePublicationImage(PublicationImage publicationImage)

addSubscription

public void addSubscription(int streamId)

removeSubscription

public void removeSubscription(int streamId)

addPublicationImage

public void addPublicationImage(PublicationImage image)

removeCoolDown

public void removeCoolDown(int sessionId,
                           int streamId)

shouldElicitSetupMessage

public boolean shouldElicitSetupMessage()