Package io.netty.channel.nio

Class AbstractNioMessageChannel

java.lang.Object

io.netty.util.DefaultAttributeMap

io.netty.channel.AbstractChannel

io.netty.channel.nio.AbstractNioChannel

io.netty.channel.nio.AbstractNioMessageChannel

All Implemented Interfaces:

Channel, ChannelOutboundInvoker, AttributeMap, Comparable<Channel>

Direct Known Subclasses:

NioDatagramChannel, NioSctpChannel, NioSctpServerChannel, NioServerDomainSocketChannel, NioServerSocketChannel

public abstract class AbstractNioMessageChannel
extends AbstractNioChannel

AbstractNioChannel base class for Channels that operate on messages.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private final class	AbstractNioMessageChannel.NioMessageUnsafe

Nested classes/interfaces inherited from class io.netty.channel.nio.AbstractNioChannel

AbstractNioChannel.AbstractNioUnsafe, AbstractNioChannel.NioUnsafe

Nested classes/interfaces inherited from class io.netty.channel.AbstractChannel

AbstractChannel.AbstractUnsafe

Nested classes/interfaces inherited from interface io.netty.channel.Channel

Channel.Unsafe

Field Summary

Fields

Modifier and Type	Field	Description
(package private) boolean	inputShutdown

Fields inherited from class io.netty.channel.nio.AbstractNioChannel

readInterestOp, readPending, selectionKey

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	AbstractNioMessageChannel(Channel parent, SelectableChannel ch, int readInterestOp)

Method Summary

Modifier and Type	Method	Description
protected boolean	closeOnReadError(Throwable cause)
protected boolean	continueOnWriteError()	Returns true if we should continue the write loop on a write error.
protected boolean	continueReading(RecvByteBufAllocator.Handle allocHandle)
protected void	doBeginRead()	Schedule a read operation.
protected abstract int	doReadMessages(List<Object> buf)	Read messages into the given array and return the amount which was read.
protected void	doWrite(ChannelOutboundBuffer in)	Flush the content of the given buffer to the remote peer.
protected abstract boolean	doWriteMessage(Object msg, ChannelOutboundBuffer in)	Write a message to the underlying Channel.
protected AbstractNioChannel.AbstractNioUnsafe	newUnsafe()	Create a new AbstractChannel.AbstractUnsafe instance which will be used for the life-time of the Channel

Methods inherited from class io.netty.channel.nio.AbstractNioChannel

clearReadPending, doClose, doConnect, doDeregister, doFinishConnect, doRegister, eventLoop, isCompatible, isOpen, isReadPending, javaChannel, newDirectBuffer, newDirectBuffer, selectionKey, setReadPending, unsafe

Methods inherited from class io.netty.channel.AbstractChannel

alloc, bind, bind, bytesBeforeUnwritable, bytesBeforeWritable, close, close, closeFuture, compareTo, connect, connect, connect, connect, deregister, deregister, disconnect, disconnect, doBind, doDisconnect, doShutdownOutput, equals, filterOutboundMessage, flush, hashCode, id, invalidateLocalAddress, invalidateRemoteAddress, isRegistered, isWritable, localAddress, localAddress0, maxMessagesPerWrite, newChannelPipeline, newFailedFuture, newId, newProgressivePromise, newPromise, newSucceededFuture, parent, pipeline, read, remoteAddress, remoteAddress0, toString, validateFileRegion, voidPromise, write, write, writeAndFlush, writeAndFlush

Methods inherited from class io.netty.util.DefaultAttributeMap

attr, hasAttr

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface io.netty.util.AttributeMap

attr, hasAttr

Methods inherited from interface io.netty.channel.Channel

config, isActive, metadata

Field Details

inputShutdown

boolean inputShutdown

Constructor Details

AbstractNioMessageChannel

protected AbstractNioMessageChannel(Channel parent,
 SelectableChannel ch,
 int readInterestOp)

See Also:

• AbstractNioChannel(Channel, SelectableChannel, int)

Method Details

newUnsafe

protected AbstractNioChannel.AbstractNioUnsafe newUnsafe()

Description copied from class: AbstractChannel

Create a new AbstractChannel.AbstractUnsafe instance which will be used for the life-time of the Channel

Specified by:

newUnsafe in class AbstractChannel

doBeginRead

protected void doBeginRead()
                    throws Exception

Description copied from class: AbstractChannel

Schedule a read operation.

Overrides:

doBeginRead in class AbstractNioChannel

Throws:

Exception

continueReading

protected boolean continueReading(RecvByteBufAllocator.Handle allocHandle)

doWrite

protected void doWrite(ChannelOutboundBuffer in)
                throws Exception

Description copied from class: AbstractChannel

Flush the content of the given buffer to the remote peer.

Specified by:

doWrite in class AbstractChannel

Throws:

Exception

continueOnWriteError

protected boolean continueOnWriteError()

Returns true if we should continue the write loop on a write error.

closeOnReadError

protected boolean closeOnReadError(Throwable cause)

doReadMessages

protected abstract int doReadMessages(List<Object> buf)
                               throws Exception

Read messages into the given array and return the amount which was read.

Throws:

Exception

doWriteMessage

protected abstract boolean doWriteMessage(Object msg,
 ChannelOutboundBuffer in)
                                   throws Exception

Write a message to the underlying Channel.

Returns:

true if and only if the message has been written

Throws:

Exception