Package org.apache.hadoop.oncrpc

Class SimpleTcpClientHandler

java.lang.Object

io.netty.channel.ChannelHandlerAdapter

io.netty.channel.ChannelInboundHandlerAdapter

org.apache.hadoop.oncrpc.SimpleTcpClientHandler

All Implemented Interfaces:

io.netty.channel.ChannelHandler, io.netty.channel.ChannelInboundHandler

public class SimpleTcpClientHandler
extends io.netty.channel.ChannelInboundHandlerAdapter

A simple TCP based RPC client handler used by SimpleTcpServer.

Nested Class Summary

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

io.netty.channel.ChannelHandler.Sharable

Field Summary

Fields

Modifier and Type	Field	Description
static org.slf4j.Logger	LOG
protected XDR	request

Constructor Summary

Constructors

Constructor	Description
SimpleTcpClientHandler(XDR request)

Method Summary

Modifier and Type	Method	Description
void	channelActive(io.netty.channel.ChannelHandlerContext ctx)
void	channelRead(io.netty.channel.ChannelHandlerContext ctx, java.lang.Object msg)	Shutdown connection by default.
void	exceptionCaught(io.netty.channel.ChannelHandlerContext ctx, java.lang.Throwable cause)

Methods inherited from class io.netty.channel.ChannelInboundHandlerAdapter

channelInactive, channelReadComplete, channelRegistered, channelUnregistered, channelWritabilityChanged, userEventTriggered

Methods inherited from class io.netty.channel.ChannelHandlerAdapter

ensureNotSharable, handlerAdded, handlerRemoved, isSharable

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.netty.channel.ChannelHandler

handlerAdded, handlerRemoved

Field Detail

LOG

public static final org.slf4j.Logger LOG

request

protected final XDR request

Constructor Detail

SimpleTcpClientHandler

public SimpleTcpClientHandler(XDR request)

Method Detail

channelActive

public void channelActive(io.netty.channel.ChannelHandlerContext ctx)
                   throws java.lang.Exception

Specified by:

channelActive in interface io.netty.channel.ChannelInboundHandler

Overrides:

channelActive in class io.netty.channel.ChannelInboundHandlerAdapter

Throws:

java.lang.Exception

channelRead

public void channelRead(io.netty.channel.ChannelHandlerContext ctx,
                        java.lang.Object msg)

Shutdown connection by default. Subclass can override this method to do more interaction with the server.

Specified by:

channelRead in interface io.netty.channel.ChannelInboundHandler

Overrides:

channelRead in class io.netty.channel.ChannelInboundHandlerAdapter

exceptionCaught

public void exceptionCaught(io.netty.channel.ChannelHandlerContext ctx,
                            java.lang.Throwable cause)

Specified by:

exceptionCaught in interface io.netty.channel.ChannelHandler

Specified by:

exceptionCaught in interface io.netty.channel.ChannelInboundHandler

Overrides:

exceptionCaught in class io.netty.channel.ChannelInboundHandlerAdapter