Package org.jboss.netty.handler.ipfilter

Class OneIpFilterHandler

java.lang.Object

org.jboss.netty.handler.ipfilter.IpFilteringHandlerImpl

org.jboss.netty.handler.ipfilter.OneIpFilterHandler

All Implemented Interfaces:

ChannelHandler, ChannelUpstreamHandler, IpFilteringHandler

@Sharable
public class OneIpFilterHandler
extends IpFilteringHandlerImpl

Handler that block any new connection if there are already a currently active channel connected with the same InetAddress (IP).

Take care to not change isBlocked method except if you know what you are doing since it is used to test if the current closed connection is to be removed or not from the map of currently connected channel.

Nested Class Summary

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

ChannelHandler.Sharable

Field Summary

Fields

Modifier and Type	Field	Description
private java.util.concurrent.ConcurrentMap<java.net.InetAddress,java.lang.Boolean>	connectedSet	HashMap of current remote connected InetAddress

Constructor Summary

Constructors

Constructor	Description
OneIpFilterHandler()

Method Summary

Modifier and Type	Method	Description
protected boolean	accept(ChannelHandlerContext ctx, ChannelEvent e, java.net.InetSocketAddress inetSocketAddress)	Called when the channel is connected.
void	handleUpstream(ChannelHandlerContext ctx, ChannelEvent e)	Handles the specified upstream event.

Methods inherited from class org.jboss.netty.handler.ipfilter.IpFilteringHandlerImpl

continues, handleAllowedChannel, handleRefusedChannel, isBlocked, removeIpFilterListener, setIpFilterListener

Methods inherited from class java.lang.Object

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

Field Detail

connectedSet

private final java.util.concurrent.ConcurrentMap<java.net.InetAddress,java.lang.Boolean> connectedSet

HashMap of current remote connected InetAddress

Constructor Detail

OneIpFilterHandler

public OneIpFilterHandler()

Method Detail

accept

protected boolean accept(ChannelHandlerContext ctx,
                         ChannelEvent e,
                         java.net.InetSocketAddress inetSocketAddress)
                  throws java.lang.Exception

Description copied from class: IpFilteringHandlerImpl

Called when the channel is connected. It returns True if the corresponding connection is to be allowed. Else it returns False.

Specified by:

accept in class IpFilteringHandlerImpl

inetSocketAddress - the remote InetSocketAddress from client

Returns:

True if the corresponding connection is allowed, else False.

Throws:

java.lang.Exception

handleUpstream

public void handleUpstream(ChannelHandlerContext ctx,
                           ChannelEvent e)
                    throws java.lang.Exception

Description copied from interface: ChannelUpstreamHandler

Handles the specified upstream event.

Specified by:

handleUpstream in interface ChannelUpstreamHandler

Overrides:

handleUpstream in class IpFilteringHandlerImpl

Parameters:

ctx - the context object for this handler

e - the upstream event to process or intercept

Throws:

java.lang.Exception