io.aeron.driver.media

Class UdpTransportPoller

java.lang.Object

org.agrona.nio.TransportPoller

io.aeron.driver.media.UdpTransportPoller

All Implemented Interfaces:

AutoCloseable

Direct Known Subclasses:

ControlTransportPoller, DataTransportPoller

public abstract class UdpTransportPoller
extends TransportPoller

Encapsulates the polling of a number of UdpChannelTransports using whatever means provides the lowest latency.

Field Summary

Fields

Modifier and Type	Field and Description
protected ErrorHandler	errorHandler ErrorHandler which can be used to log errors and continue.

Fields inherited from class org.agrona.nio.TransportPoller

ITERATION_THRESHOLD, ITERATION_THRESHOLD_DEFAULT, ITERATION_THRESHOLD_PROP_NAME, PUBLIC_SELECTED_KEYS_FIELD, SELECTED_KEYS_FIELD, selectedKeySet, selector

Constructor Summary

Constructors

Constructor and Description
UdpTransportPoller(ErrorHandler errorHandler) Construct a new TransportPoller with an ErrorHandler for logging.

Method Summary

Modifier and Type	Method and Description
abstract void	cancelRead(UdpChannelTransport transport) Cancel previous registration.
abstract int	pollTransports() Explicit event loop processing as a poll
abstract SelectionKey	registerForRead(UdpChannelTransport transport) Register channel for read.

Methods inherited from class org.agrona.nio.TransportPoller

close, selectNowWithoutProcessing

Methods inherited from class java.lang.Object

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

Field Detail

errorHandler

protected final ErrorHandler errorHandler

ErrorHandler which can be used to log errors and continue.

Constructor Detail

UdpTransportPoller

public UdpTransportPoller(ErrorHandler errorHandler)

Construct a new TransportPoller with an ErrorHandler for logging.

Parameters:

errorHandler - which can be used to log errors and continue.

Method Detail

pollTransports

public abstract int pollTransports()

Explicit event loop processing as a poll

Returns:

the number of frames processed.

registerForRead

public abstract SelectionKey registerForRead(UdpChannelTransport transport)

Register channel for read.

Parameters:

transport - to associate with read.

Returns:

SelectionKey for registration to cancel.

cancelRead

public abstract void cancelRead(UdpChannelTransport transport)

Cancel previous registration.

Parameters:

transport - to cancel read for