Package io.netty.channel.epoll
Class EpollDomainDatagramChannel
- java.lang.Object
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- io.netty.util.DefaultAttributeMap
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- io.netty.channel.AbstractChannel
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- io.netty.channel.epoll.AbstractEpollChannel
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- io.netty.channel.epoll.EpollDomainDatagramChannel
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- All Implemented Interfaces:
Channel
,ChannelOutboundInvoker
,DomainDatagramChannel
,UnixChannel
,AttributeMap
,java.lang.Comparable<Channel>
public final class EpollDomainDatagramChannel extends AbstractEpollChannel implements DomainDatagramChannel
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Nested Class Summary
Nested Classes Modifier and Type Class Description (package private) class
EpollDomainDatagramChannel.EpollDomainDatagramChannelUnsafe
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Nested classes/interfaces inherited from class io.netty.channel.epoll.AbstractEpollChannel
AbstractEpollChannel.AbstractEpollUnsafe
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Nested classes/interfaces inherited from class io.netty.channel.AbstractChannel
AbstractChannel.AbstractUnsafe
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Nested classes/interfaces inherited from interface io.netty.channel.Channel
Channel.Unsafe
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Field Summary
Fields Modifier and Type Field Description private EpollDomainDatagramChannelConfig
config
private boolean
connected
private static java.lang.String
EXPECTED_TYPES
private DomainSocketAddress
local
private static ChannelMetadata
METADATA
private DomainSocketAddress
remote
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Fields inherited from class io.netty.channel.epoll.AbstractEpollChannel
active, epollInReadyRunnablePending, flags, inputClosedSeenErrorOnRead, socket
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Constructor Summary
Constructors Modifier Constructor Description EpollDomainDatagramChannel()
EpollDomainDatagramChannel(int fd)
private
EpollDomainDatagramChannel(LinuxSocket socket, boolean active)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description EpollDomainDatagramChannelConfig
config()
Returns the configuration of this channel.protected void
doBind(java.net.SocketAddress localAddress)
Bind theChannel
to theSocketAddress
protected void
doClose()
Close theChannel
protected boolean
doConnect(java.net.SocketAddress remoteAddress, java.net.SocketAddress localAddress)
Connect to the remote peerprotected void
doDisconnect()
Disconnect thisChannel
from its remote peerprotected void
doWrite(ChannelOutboundBuffer in)
Flush the content of the given buffer to the remote peer.private boolean
doWriteMessage(java.lang.Object msg)
protected java.lang.Object
filterOutboundMessage(java.lang.Object msg)
Invoked when a new message is added to aChannelOutboundBuffer
of thisAbstractChannel
, so that theChannel
implementation converts the message to another.boolean
isActive()
Returntrue
if theChannel
is active and so connected.boolean
isConnected()
Returntrue
if theDomainDatagramChannel
is connected to the remote peer.DomainSocketAddress
localAddress()
Returns the local address where this channel is bound to.protected DomainSocketAddress
localAddress0()
Returns theSocketAddress
which is bound locally.ChannelMetadata
metadata()
protected AbstractEpollChannel.AbstractEpollUnsafe
newUnsafe()
Create a newAbstractChannel.AbstractUnsafe
instance which will be used for the life-time of theChannel
PeerCredentials
peerCredentials()
Returns the unix credentials (uid, gid, pid) of the peer SO_PEERCREDDomainSocketAddress
remoteAddress()
Returns the remote address where this channel is connected to.protected DomainSocketAddress
remoteAddress0()
Return theSocketAddress
which theChannel
is connected to.-
Methods inherited from class io.netty.channel.epoll.AbstractEpollChannel
checkResolvable, clearEpollIn, clearFlag, doBeginRead, doConnect0, doDeregister, doReadBytes, doRegister, doWriteBytes, doWriteOrSendBytes, fd, isCompatible, isFlagSet, isOpen, isSoErrorZero, newDirectBuffer, newDirectBuffer, resetCachedAddresses, setFlag, shouldBreakEpollInReady
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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, doShutdownOutput, equals, eventLoop, flush, hashCode, id, invalidateLocalAddress, invalidateRemoteAddress, isRegistered, isWritable, maxMessagesPerWrite, newChannelPipeline, newFailedFuture, newId, newProgressivePromise, newPromise, newSucceededFuture, parent, pipeline, read, toString, unsafe, validateFileRegion, voidPromise, write, write, writeAndFlush, writeAndFlush
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Methods inherited from class io.netty.util.DefaultAttributeMap
attr, hasAttr
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Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
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Methods inherited from interface io.netty.util.AttributeMap
attr, hasAttr
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Methods inherited from interface io.netty.channel.Channel
alloc, bytesBeforeUnwritable, bytesBeforeWritable, closeFuture, eventLoop, flush, id, isOpen, isRegistered, isWritable, parent, pipeline, read, unsafe
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Methods inherited from interface io.netty.channel.ChannelOutboundInvoker
bind, bind, close, close, connect, connect, connect, connect, deregister, deregister, disconnect, disconnect, newFailedFuture, newProgressivePromise, newPromise, newSucceededFuture, voidPromise, write, write, writeAndFlush, writeAndFlush
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Methods inherited from interface io.netty.channel.unix.UnixChannel
fd
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Field Detail
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METADATA
private static final ChannelMetadata METADATA
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EXPECTED_TYPES
private static final java.lang.String EXPECTED_TYPES
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connected
private volatile boolean connected
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local
private volatile DomainSocketAddress local
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remote
private volatile DomainSocketAddress remote
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config
private final EpollDomainDatagramChannelConfig config
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Constructor Detail
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EpollDomainDatagramChannel
public EpollDomainDatagramChannel()
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EpollDomainDatagramChannel
public EpollDomainDatagramChannel(int fd)
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EpollDomainDatagramChannel
private EpollDomainDatagramChannel(LinuxSocket socket, boolean active)
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Method Detail
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config
public EpollDomainDatagramChannelConfig config()
Description copied from interface:Channel
Returns the configuration of this channel.- Specified by:
config
in interfaceChannel
- Specified by:
config
in interfaceDomainDatagramChannel
- Specified by:
config
in classAbstractEpollChannel
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doBind
protected void doBind(java.net.SocketAddress localAddress) throws java.lang.Exception
Description copied from class:AbstractChannel
Bind theChannel
to theSocketAddress
- Overrides:
doBind
in classAbstractEpollChannel
- Throws:
java.lang.Exception
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doClose
protected void doClose() throws java.lang.Exception
Description copied from class:AbstractChannel
Close theChannel
- Overrides:
doClose
in classAbstractEpollChannel
- Throws:
java.lang.Exception
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doConnect
protected boolean doConnect(java.net.SocketAddress remoteAddress, java.net.SocketAddress localAddress) throws java.lang.Exception
Description copied from class:AbstractEpollChannel
Connect to the remote peer- Overrides:
doConnect
in classAbstractEpollChannel
- Throws:
java.lang.Exception
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doDisconnect
protected void doDisconnect() throws java.lang.Exception
Description copied from class:AbstractChannel
Disconnect thisChannel
from its remote peer- Overrides:
doDisconnect
in classAbstractEpollChannel
- Throws:
java.lang.Exception
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doWrite
protected void doWrite(ChannelOutboundBuffer in) throws java.lang.Exception
Description copied from class:AbstractChannel
Flush the content of the given buffer to the remote peer.- Specified by:
doWrite
in classAbstractChannel
- Throws:
java.lang.Exception
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doWriteMessage
private boolean doWriteMessage(java.lang.Object msg) throws java.lang.Exception
- Throws:
java.lang.Exception
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filterOutboundMessage
protected java.lang.Object filterOutboundMessage(java.lang.Object msg)
Description copied from class:AbstractChannel
Invoked when a new message is added to aChannelOutboundBuffer
of thisAbstractChannel
, so that theChannel
implementation converts the message to another. (e.g. heap buffer -> direct buffer)- Overrides:
filterOutboundMessage
in classAbstractChannel
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isActive
public boolean isActive()
Description copied from interface:Channel
Returntrue
if theChannel
is active and so connected.- Specified by:
isActive
in interfaceChannel
- Overrides:
isActive
in classAbstractEpollChannel
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isConnected
public boolean isConnected()
Description copied from interface:DomainDatagramChannel
Returntrue
if theDomainDatagramChannel
is connected to the remote peer.- Specified by:
isConnected
in interfaceDomainDatagramChannel
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localAddress
public DomainSocketAddress localAddress()
Description copied from interface:Channel
Returns the local address where this channel is bound to. The returnedSocketAddress
is supposed to be down-cast into more concrete type such asInetSocketAddress
to retrieve the detailed information.- Specified by:
localAddress
in interfaceChannel
- Specified by:
localAddress
in interfaceDomainDatagramChannel
- Overrides:
localAddress
in classAbstractChannel
- Returns:
- the local address of this channel.
null
if this channel is not bound.
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localAddress0
protected DomainSocketAddress localAddress0()
Description copied from class:AbstractChannel
Returns theSocketAddress
which is bound locally.- Overrides:
localAddress0
in classAbstractEpollChannel
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metadata
public ChannelMetadata metadata()
Description copied from interface:Channel
- Specified by:
metadata
in interfaceChannel
- Overrides:
metadata
in classAbstractEpollChannel
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newUnsafe
protected AbstractEpollChannel.AbstractEpollUnsafe newUnsafe()
Description copied from class:AbstractChannel
Create a newAbstractChannel.AbstractUnsafe
instance which will be used for the life-time of theChannel
- Specified by:
newUnsafe
in classAbstractEpollChannel
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peerCredentials
public PeerCredentials peerCredentials() throws java.io.IOException
Returns the unix credentials (uid, gid, pid) of the peer SO_PEERCRED- Throws:
java.io.IOException
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remoteAddress
public DomainSocketAddress remoteAddress()
Description copied from interface:Channel
Returns the remote address where this channel is connected to. The returnedSocketAddress
is supposed to be down-cast into more concrete type such asInetSocketAddress
to retrieve the detailed information.- Specified by:
remoteAddress
in interfaceChannel
- Specified by:
remoteAddress
in interfaceDomainDatagramChannel
- Overrides:
remoteAddress
in classAbstractChannel
- Returns:
- the remote address of this channel.
null
if this channel is not connected. If this channel is not connected but it can receive messages from arbitrary remote addresses (e.g.DatagramChannel
, useDefaultAddressedEnvelope.recipient()
to determine the origination of the received message as this method will returnnull
.
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remoteAddress0
protected DomainSocketAddress remoteAddress0()
Description copied from class:AbstractChannel
Return theSocketAddress
which theChannel
is connected to.- Overrides:
remoteAddress0
in classAbstractEpollChannel
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