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, AttributeMap, Comparable<Channel>

Direct Known Subclasses:

NioDatagramChannel, NioSctpChannel, NioSctpServerChannel, NioServerSocketChannel, NioUdtAcceptorChannel, NioUdtMessageConnectorChannel

public abstract class AbstractNioMessageChannel
extends AbstractNioChannel

AbstractNioChannel base class for Channels that operate on messages.

Nested Class Summary

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

readInterestOp

Constructor Summary

Constructors

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

Method Summary

Methods

Modifier and Type	Method and Description
protected abstract int	doReadMessages(List<Object> buf) Read messages into the given array and return the amount which was read.
protected int	doWrite(Object[] msgs, int msgsLength, int startIndex) Flush the content of the given ByteBuf to the remote peer.
protected abstract int	doWriteMessages(Object[] msgs, int msgLength, int startIndex, boolean lastSpin) Write messages 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

doBeginRead, doConnect, doDeregister, doFinishConnect, doRegister, eventLoop, isCompatible, isInputShutdown, isOpen, javaChannel, selectionKey, unsafe

Methods inherited from class io.netty.channel.AbstractChannel

alloc, bind, bind, calculateMessageSize, checkEOF, close, close, closeFuture, compareTo, connect, connect, connect, connect, deregister, deregister, disconnect, disconnect, doBind, doClose, doDisconnect, doPreClose, equals, flush, hashCode, invalidateLocalAddress, invalidateRemoteAddress, isRegistered, isWritable, localAddress, localAddress0, newFailedFuture, newProgressivePromise, newPromise, newSucceededFuture, parent, pipeline, read, remoteAddress, remoteAddress0, toString, voidPromise, write, write, writeAndFlush, writeAndFlush

Methods inherited from class io.netty.util.DefaultAttributeMap

attr

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.netty.channel.Channel

config, isActive, metadata

Methods inherited from interface io.netty.util.AttributeMap

attr

Constructor Detail

AbstractNioMessageChannel

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

See Also:

AbstractNioChannel#AbstractNioChannel(Channel, SelectableChannel, int)}

Method Detail

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

doWrite

protected int doWrite(Object[] msgs,
          int msgsLength,
          int startIndex)
               throws Exception

Description copied from class: AbstractChannel

Flush the content of the given ByteBuf to the remote peer. Sub-classes may override this as this implementation will just thrown an UnsupportedOperationException

Specified by:

doWrite in class AbstractChannel

Returns:

the number of written messages

Throws:

Exception

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

doWriteMessages

protected abstract int doWriteMessages(Object[] msgs,
                  int msgLength,
                  int startIndex,
                  boolean lastSpin)
                                throws Exception

Write messages to the underlying Channel.

Parameters:

lastSpin - true if this is the last write try

Returns:

the number of written messages

Throws:

Exception