io.seata.core.rpc.netty

Class AbstractNettyRemoting

java.lang.Object

io.seata.core.rpc.netty.AbstractNettyRemoting

All Implemented Interfaces:

Disposable

Direct Known Subclasses:

AbstractNettyRemotingClient, AbstractNettyRemotingServer

public abstract class AbstractNettyRemoting
extends Object
implements Disposable

The abstract netty remoting.

Author:

slievrly, zhangchenghui.dev@gmail.com

Field Summary

Fields

Modifier and Type	Field and Description
protected ConcurrentHashMap<Integer,MessageFuture>	futures Obtain the return result through MessageFuture blocking.
protected PositiveAtomicCounter	idGenerator Id generator of this remoting
protected boolean	isSending The Is sending.
protected Object	lock
protected ThreadPoolExecutor	messageExecutor The Message executor.
protected long	nowMills The Now mills.
protected HashMap<Integer,Pair<RemotingProcessor,ExecutorService>>	processorTable This container holds all processors.
protected List<RpcHook>	rpcHooks
protected ScheduledExecutorService	timerExecutor The Timer executor.

Constructor Summary

Constructors

Constructor and Description
AbstractNettyRemoting(ThreadPoolExecutor messageExecutor)

Method Summary

Modifier and Type	Method and Description
protected RpcMessage	buildRequestMessage(Object msg, byte messageType)
protected RpcMessage	buildResponseMessage(RpcMessage rpcMessage, Object msg, byte messageType)
void	destroy()
void	destroyChannel(io.netty.channel.Channel channel)
abstract void	destroyChannel(String serverAddress, io.netty.channel.Channel channel) Destroy channel.
protected void	doAfterRpcHooks(String remoteAddr, RpcMessage request, Object response)
protected void	doBeforeRpcHooks(String remoteAddr, RpcMessage request)
protected String	getAddressFromChannel(io.netty.channel.Channel channel) Gets address from channel.
protected String	getAddressFromContext(io.netty.channel.ChannelHandlerContext ctx) Gets address from context.
ConcurrentHashMap<Integer,MessageFuture>	getFutures()
String	getGroup()
int	getNextMessageId()
void	init()
protected void	processMessage(io.netty.channel.ChannelHandlerContext ctx, RpcMessage rpcMessage) Rpc message processing.
protected void	sendAsync(io.netty.channel.Channel channel, RpcMessage rpcMessage) rpc async request.
protected Object	sendSync(io.netty.channel.Channel channel, RpcMessage rpcMessage, long timeoutMillis) rpc sync request Obtain the return result through MessageFuture blocking.
void	setGroup(String group)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

timerExecutor

protected final ScheduledExecutorService timerExecutor

The Timer executor.

messageExecutor

protected final ThreadPoolExecutor messageExecutor

The Message executor.

idGenerator

protected final PositiveAtomicCounter idGenerator

Id generator of this remoting

futures

protected final ConcurrentHashMap<Integer,MessageFuture> futures

Obtain the return result through MessageFuture blocking.

See Also:

sendSync(io.netty.channel.Channel, io.seata.core.protocol.RpcMessage, long)

nowMills

protected volatile long nowMills

The Now mills.

lock

protected final Object lock

isSending

protected volatile boolean isSending

The Is sending.

processorTable

protected final HashMap<Integer,Pair<RemotingProcessor,ExecutorService>> processorTable

This container holds all processors. processor type MessageType

rpcHooks

protected final List<RpcHook> rpcHooks

Constructor Detail

AbstractNettyRemoting

public AbstractNettyRemoting(ThreadPoolExecutor messageExecutor)

Method Detail

init

public void init()

getNextMessageId

public int getNextMessageId()

getFutures

public ConcurrentHashMap<Integer,MessageFuture> getFutures()

getGroup

public String getGroup()

setGroup

public void setGroup(String group)

destroyChannel

public void destroyChannel(io.netty.channel.Channel channel)

destroy

public void destroy()

Specified by:

destroy in interface Disposable

sendSync

protected Object sendSync(io.netty.channel.Channel channel,
                          RpcMessage rpcMessage,
                          long timeoutMillis)
                   throws TimeoutException

rpc sync request Obtain the return result through MessageFuture blocking.

Parameters:

channel - netty channel

rpcMessage - rpc message

timeoutMillis - rpc communication timeout

Returns:

response message

Throws:

TimeoutException

sendAsync

protected void sendAsync(io.netty.channel.Channel channel,
                         RpcMessage rpcMessage)

rpc async request.

Parameters:

channel - netty channel

rpcMessage - rpc message

buildRequestMessage

protected RpcMessage buildRequestMessage(Object msg,
                                         byte messageType)

buildResponseMessage

protected RpcMessage buildResponseMessage(RpcMessage rpcMessage,
                                          Object msg,
                                          byte messageType)

processMessage

protected void processMessage(io.netty.channel.ChannelHandlerContext ctx,
                              RpcMessage rpcMessage)
                       throws Exception

Rpc message processing.

Parameters:

ctx - Channel handler context.

rpcMessage - rpc message.

Throws:

Exception - throws exception process message error.

Since:

1.3.0

getAddressFromContext

protected String getAddressFromContext(io.netty.channel.ChannelHandlerContext ctx)

Gets address from context.

Parameters:

ctx - the ctx

Returns:

the address from context

getAddressFromChannel

protected String getAddressFromChannel(io.netty.channel.Channel channel)

Gets address from channel.

Parameters:

channel - the channel

Returns:

the address from channel

destroyChannel

public abstract void destroyChannel(String serverAddress,
                                    io.netty.channel.Channel channel)

Destroy channel.

Parameters:

serverAddress - the server address

channel - the channel

doBeforeRpcHooks

protected void doBeforeRpcHooks(String remoteAddr,
                                RpcMessage request)

doAfterRpcHooks

protected void doAfterRpcHooks(String remoteAddr,
                               RpcMessage request,
                               Object response)