org.jboss.netty.example.echo

Class EchoClientHandler

java.lang.Object

org.jboss.netty.channel.SimpleChannelUpstreamHandler

org.jboss.netty.example.echo.EchoClientHandler

All Implemented Interfaces:

ChannelHandler, ChannelUpstreamHandler

public class EchoClientHandler
extends SimpleChannelUpstreamHandler

Handler implementation for the echo client. It initiates the ping-pong traffic between the echo client and server by sending the first message to the server.

Nested Class Summary

Nested classes/interfaces inherited from interface org.jboss.netty.channel.ChannelHandler

ChannelHandler.Sharable

Field Summary

Fields

Modifier and Type	Field and Description
private ChannelBuffer	firstMessage
private java.util.concurrent.atomic.AtomicLong	transferredBytes

Constructor Summary

Constructors

Constructor and Description
EchoClientHandler() Creates a client-side handler.

Method Summary

Modifier and Type	Method and Description
void	channelConnected(ChannelHandlerContext ctx, ChannelStateEvent e) Invoked when a Channel is open, bound to a local address, and connected to a remote address.
void	exceptionCaught(ChannelHandlerContext ctx, ExceptionEvent e) Invoked when an exception was raised by an I/O thread or a ChannelHandler.
long	getTransferredBytes()
void	messageReceived(ChannelHandlerContext ctx, MessageEvent e) Invoked when a message object (e.g: ChannelBuffer) was received from a remote peer.

Methods inherited from class org.jboss.netty.channel.SimpleChannelUpstreamHandler

channelBound, channelClosed, channelDisconnected, channelInterestChanged, channelOpen, channelUnbound, childChannelClosed, childChannelOpen, handleUpstream, writeComplete

Methods inherited from class java.lang.Object

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

Field Detail

firstMessage

private final ChannelBuffer firstMessage

transferredBytes

private final java.util.concurrent.atomic.AtomicLong transferredBytes

Constructor Detail

EchoClientHandler

public EchoClientHandler()

Creates a client-side handler.

Method Detail

getTransferredBytes

public long getTransferredBytes()

channelConnected

public void channelConnected(ChannelHandlerContext ctx,
                             ChannelStateEvent e)

Description copied from class: SimpleChannelUpstreamHandler

Invoked when a Channel is open, bound to a local address, and connected to a remote address.
Be aware that this event is fired from within the I/O thread. You should never execute any heavy operation in there as it will block the dispatching to other workers!

Overrides:

channelConnected in class SimpleChannelUpstreamHandler

messageReceived

public void messageReceived(ChannelHandlerContext ctx,
                            MessageEvent e)

Description copied from class: SimpleChannelUpstreamHandler

Invoked when a message object (e.g: ChannelBuffer) was received from a remote peer.

Overrides:

messageReceived in class SimpleChannelUpstreamHandler

exceptionCaught

public void exceptionCaught(ChannelHandlerContext ctx,
                            ExceptionEvent e)

Description copied from class: SimpleChannelUpstreamHandler

Invoked when an exception was raised by an I/O thread or a ChannelHandler.

Overrides:

exceptionCaught in class SimpleChannelUpstreamHandler