io.netty.channel.epoll

Class AbstractEpollStreamChannel

java.lang.Object

io.netty.util.DefaultAttributeMap

io.netty.channel.AbstractChannel

io.netty.channel.epoll.AbstractEpollStreamChannel

All Implemented Interfaces:

Channel, UnixChannel, AttributeMap, Comparable<Channel>

Direct Known Subclasses:

EpollDomainSocketChannel, EpollSocketChannel

public abstract class AbstractEpollStreamChannel
extends AbstractChannel

Nested Class Summary

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 and Description
protected boolean	active
protected int	flags

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractEpollStreamChannel(Channel parent, int fd)
protected	AbstractEpollStreamChannel(FileDescriptor fd)
protected	AbstractEpollStreamChannel(int fd)

Method Summary

Methods

Modifier and Type	Method and Description
protected static void	checkResolvable(InetSocketAddress addr)
abstract EpollChannelConfig	config() Returns the configuration of this channel.
protected void	doBeginRead() Schedule a read operation.
protected void	doClose() Close the Channel
protected boolean	doConnect(SocketAddress remoteAddress, SocketAddress localAddress) Connect to the remote peer
protected void	doDeregister() Deregister the Channel from its EventLoop.
protected void	doDisconnect() Disconnect this Channel from its remote peer
protected int	doReadBytes(ByteBuf byteBuf) Read bytes into the given ByteBuf and return the amount.
protected void	doRegister() Is called after the Channel is registered with its EventLoop as part of the register process.
protected void	doWrite(ChannelOutboundBuffer in) Flush the content of the given buffer to the remote peer.
protected int	doWriteBytes(ByteBuf buf, int writeSpinCount)
protected boolean	doWriteSingle(ChannelOutboundBuffer in, int writeSpinCount)
FileDescriptor	fd() Returns the FileDescriptor that is used by this Channel.
protected Object	filterOutboundMessage(Object msg) Invoked when a new message is added to a ChannelOutboundBuffer of this AbstractChannel, so that the Channel implementation converts the message to another.
boolean	isActive() Return true if the Channel is active and so connected.
protected boolean	isCompatible(EventLoop loop) Return true if the given EventLoop is compatible with this instance.
protected boolean	isInputShutdown0()
boolean	isOpen() Returns true if the Channel is open an may get active later
protected boolean	isOutputShutdown0()
ChannelMetadata	metadata() Return the ChannelMetadata of the Channel which describe the nature of the Channel.
protected ByteBuf	newDirectBuffer(ByteBuf buf) Returns an off-heap copy of the specified ByteBuf, and releases the original one.
protected ByteBuf	newDirectBuffer(Object holder, ByteBuf buf) Returns an off-heap copy of the specified ByteBuf, and releases the specified holder.
protected io.netty.channel.epoll.AbstractEpollChannel.AbstractEpollUnsafe	newUnsafe() Create a new AbstractChannel.AbstractUnsafe instance which will be used for the life-time of the Channel
protected void	shutdownOutput0(ChannelPromise promise)

Methods inherited from class io.netty.channel.AbstractChannel

alloc, bind, bind, close, close, closeFuture, compareTo, connect, connect, connect, connect, deregister, deregister, disconnect, disconnect, doBind, equals, eventLoop, flush, hashCode, id, invalidateLocalAddress, invalidateRemoteAddress, isRegistered, isWritable, localAddress, localAddress0, newFailedFuture, newProgressivePromise, newPromise, newSucceededFuture, parent, pipeline, read, remoteAddress, remoteAddress0, toString, unsafe, 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.channel.Channel

alloc, bind, bind, close, close, closeFuture, connect, connect, connect, connect, deregister, deregister, disconnect, disconnect, eventLoop, flush, id, isRegistered, isWritable, localAddress, newFailedFuture, newProgressivePromise, newPromise, newSucceededFuture, parent, pipeline, read, remoteAddress, unsafe, voidPromise, write, write, writeAndFlush, writeAndFlush

Methods inherited from interface io.netty.util.AttributeMap

attr, hasAttr

Methods inherited from interface java.lang.Comparable

compareTo

Field Detail

flags

protected int flags

active

protected volatile boolean active

Constructor Detail

AbstractEpollStreamChannel

protected AbstractEpollStreamChannel(Channel parent,
                          int fd)

AbstractEpollStreamChannel

protected AbstractEpollStreamChannel(int fd)

AbstractEpollStreamChannel

protected AbstractEpollStreamChannel(FileDescriptor fd)

Method Detail

newUnsafe

protected io.netty.channel.epoll.AbstractEpollChannel.AbstractEpollUnsafe newUnsafe()

Description copied from class: AbstractChannel

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

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

doWriteSingle

protected boolean doWriteSingle(ChannelOutboundBuffer in,
                    int writeSpinCount)
                         throws Exception

Throws:

Exception

filterOutboundMessage

protected Object filterOutboundMessage(Object msg)

Description copied from class: AbstractChannel

Invoked when a new message is added to a ChannelOutboundBuffer of this AbstractChannel, so that the Channel implementation converts the message to another. (e.g. heap buffer -> direct buffer)

Overrides:

filterOutboundMessage in class AbstractChannel

isInputShutdown0

protected boolean isInputShutdown0()

isOutputShutdown0

protected boolean isOutputShutdown0()

shutdownOutput0

protected void shutdownOutput0(ChannelPromise promise)

doConnect

protected boolean doConnect(SocketAddress remoteAddress,
                SocketAddress localAddress)
                     throws Exception

Connect to the remote peer

Throws:

Exception

fd

public final FileDescriptor fd()

Description copied from interface: UnixChannel

Returns the FileDescriptor that is used by this Channel.

Specified by:

fd in interface UnixChannel

config

public abstract EpollChannelConfig config()

Description copied from interface: Channel

Returns the configuration of this channel.

Specified by:

config in interface Channel

isActive

public boolean isActive()

Description copied from interface: Channel

Return true if the Channel is active and so connected.

Specified by:

isActive in interface Channel

metadata

public ChannelMetadata metadata()

Description copied from interface: Channel

Return the ChannelMetadata of the Channel which describe the nature of the Channel.

Specified by:

metadata in interface Channel

doClose

protected void doClose()
                throws Exception

Description copied from class: AbstractChannel

Close the Channel

Specified by:

doClose in class AbstractChannel

Throws:

Exception

doDisconnect

protected void doDisconnect()
                     throws Exception

Description copied from class: AbstractChannel

Disconnect this Channel from its remote peer

Specified by:

doDisconnect in class AbstractChannel

Throws:

Exception

isCompatible

protected boolean isCompatible(EventLoop loop)

Description copied from class: AbstractChannel

Return true if the given EventLoop is compatible with this instance.

Specified by:

isCompatible in class AbstractChannel

isOpen

public boolean isOpen()

Description copied from interface: Channel

Returns true if the Channel is open an may get active later

Specified by:

isOpen in interface Channel

doDeregister

protected void doDeregister()
                     throws Exception

Description copied from class: AbstractChannel

Deregister the Channel from its EventLoop. Sub-classes may override this method

Overrides:

doDeregister in class AbstractChannel

Throws:

Exception

doBeginRead

protected void doBeginRead()
                    throws Exception

Description copied from class: AbstractChannel

Schedule a read operation.

Specified by:

doBeginRead in class AbstractChannel

Throws:

Exception

doRegister

protected void doRegister()
                   throws Exception

Description copied from class: AbstractChannel

Is called after the Channel is registered with its EventLoop as part of the register process. Sub-classes may override this method

Overrides:

doRegister in class AbstractChannel

Throws:

Exception

newDirectBuffer

protected final ByteBuf newDirectBuffer(ByteBuf buf)

Returns an off-heap copy of the specified ByteBuf, and releases the original one.

newDirectBuffer

protected final ByteBuf newDirectBuffer(Object holder,
                      ByteBuf buf)

Returns an off-heap copy of the specified ByteBuf, and releases the specified holder. The caller must ensure that the holder releases the original ByteBuf when the holder is released by this method.

checkResolvable

protected static void checkResolvable(InetSocketAddress addr)

doReadBytes

protected final int doReadBytes(ByteBuf byteBuf)
                         throws Exception

Read bytes into the given ByteBuf and return the amount.

Throws:

Exception

doWriteBytes

protected final int doWriteBytes(ByteBuf buf,
               int writeSpinCount)
                          throws Exception

Throws:

Exception