Top Description Inners Fields Constructors Methods
org.eclipse.jetty.io

public Class ManagedSelector

extends ContainerLifeCycle
implements Dumpable
Class Inheritance
All Implemented Interfaces
org.eclipse.jetty.util.component.Dumpable
Imports
java.io.Closeable, .IOException, java.net.ConnectException, .SocketTimeoutException, java.nio.channels.CancelledKeyException, .ClosedSelectorException, .SelectableChannel, .SelectionKey, .Selector, java.time.ZonedDateTime, java.time.format.DateTimeFormatter, java.util.ArrayDeque, .ArrayList, .Collections, .Deque, .Iterator, .List, .Locale, .Objects, .Set, java.util.concurrent.CountDownLatch, .Executor, .RejectedExecutionException, .TimeUnit, java.util.concurrent.atomic.AtomicBoolean, org.eclipse.jetty.util.IO, org.eclipse.jetty.util.annotation.ManagedAttribute, .ManagedOperation, org.eclipse.jetty.util.component.ContainerLifeCycle, .Dumpable, .DumpableCollection, org.eclipse.jetty.util.statistic.SampleStatistic, org.eclipse.jetty.util.thread.AutoLock, .ExecutionStrategy, .Scheduler, org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy, org.slf4j.Logger, .LoggerFactory

ManagedSelector wraps a Selector simplifying non-blocking operations on channels.

ManagedSelector runs the select loop, which waits on Selector#select() until events happen for registered channels. When events happen, it notifies the EndPoint associated with the channel.

Nested and Inner Type Summary

Modifier and TypeClass and Description
pack-priv class
ManagedSelector.Accept

pack-priv class
ManagedSelector.Acceptor

private class
ManagedSelector.CloseConnections

pack-priv class
ManagedSelector.Connect

private class
ManagedSelector.CreateEndPoint

private class
ManagedSelector.DestroyEndPoint

private static class
ManagedSelector.DumpKeys

public static interface
ManagedSelector.Selectable

A Selectable is an EndPoint that wish to be notified of non-blocking events by the ManagedSelector.

private class
ManagedSelector.SelectorProducer

public static interface
ManagedSelector.SelectorUpdate

A selector update to be done when the selector has been woken.

private class
ManagedSelector.Start

private class
ManagedSelector.StopSelector

Field Summary

Modifier and TypeField and Description
private final int
_id

private final SampleStatistic
_keyStats

private final AutoLock
_lock

Hides org.eclipse.jetty.util.component.AbstractLifeCycle._lock.

private boolean
_selecting

private Selector
_selector

private final SelectorManager
_selectorManager

private final AtomicBoolean
_started

private final ExecutionStrategy
_strategy

private Deque<ManagedSelector.SelectorUpdate>
_updateable

private Deque<ManagedSelector.SelectorUpdate>
_updates

private static final boolean
FORCE_SELECT_NOW

private static final Logger
LOG

Hides org.eclipse.jetty.util.component.ContainerLifeCycle.LOG.

Constructor Summary

AccessConstructor and Description
public
ManagedSelector(SelectorManager selectorManager, int id)

Method Summary

Modifier and TypeMethod and Description
pack-priv void
createEndPoint(SelectableChannel channel, SelectionKey selectionKey)

pack-priv void
destroyEndPoint(EndPoint endPoint, Throwable cause)

protected void
doStart()

Overrides org.eclipse.jetty.util.component.ContainerLifeCycle.doStart.

Starts the managed lifecycle beans in the order they were added.
protected void
doStop()

Overrides org.eclipse.jetty.util.component.ContainerLifeCycle.doStop.

Stops the managed lifecycle beans in the reverse order they were added.
public void
dump(Appendable
The appendable to dump to
out, String
The indent to apply after any new lines.
indent)

Overrides org.eclipse.jetty.util.component.ContainerLifeCycle.dump.

Implements org.eclipse.jetty.util.component.Dumpable.dump.

Dump this object (and children) into an Appendable using the provided indent after any new lines.
protected void
endPointClosed(EndPoint endPoint)

protected void
endPointOpened(EndPoint endPoint)

private void
execute(Runnable task)

private int
getActionSize()

public double
getAverageSelectedKeys()

public long
getMaxSelectedKeys()

public long
getSelectCount()

public Selector
getSelector()

public int
getTotalKeys()

protected void
handleSelectFailure(Selector selector, Throwable failure)

protected int
nioSelect(Selector selector, boolean now)

protected void
onSelectFailed(Throwable cause)

private void
processConnect(SelectionKey key, ManagedSelector.Connect connect)

public void
resetStats()

pack-priv static int
safeInterestOps(SelectionKey selectionKey)

pack-priv static int
safeReadyOps(SelectionKey selectionKey)

protected int
select(Selector selector)

public int
size()

public void
submit(ManagedSelector.SelectorUpdate
The selector update to apply at next wakeup
update)

Submit an SelectorUpdate to be acted on between calls to Selector#select()

private void
submit(ManagedSelector.SelectorUpdate update, boolean lazy)

public String
toString()

Overrides org.eclipse.jetty.util.component.AbstractLifeCycle.toString.

Returns a string representation of the object.
private void
wakeup()

Inherited from org.eclipse.jetty.util.component.ContainerLifeCycle:
addBeanaddBeanaddEventListeneraddManagedcontainsdestroydumpdumpdumpObjectsdumpStdErrgetBeangetBeansgetBeansgetContainedBeansgetContainedBeansisAutoisManagedisUnmanagedmanageremoveBeanremoveBeansremoveEventListenersetBeansstartstopunmanageupdateBeanupdateBeanupdateBeansupdateBeans