Package org.drasyl.handler.monitoring

Class TopologyHandler

java.lang.Object

io.netty.channel.ChannelHandlerAdapter

io.netty.channel.ChannelInboundHandlerAdapter

org.drasyl.handler.monitoring.TopologyHandler

All Implemented Interfaces:

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

Direct Known Subclasses:

TelemetryHandler

@UnstableApi
public abstract class TopologyHandler
extends io.netty.channel.ChannelInboundHandlerAdapter

Uses emitted PathEvents to build the node's current world view of the overlay network. Other handler can implement this class and retrieve the topology by calling topology(ChannelHandlerContext).

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	TopologyHandler.Topology

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

io.netty.channel.ChannelHandler.Sharable

Field Summary

Fields

Modifier and Type	Field	Description
protected final Map<DrasylAddress,InetSocketAddress>	childrenPeers
protected final Map<DrasylAddress,InetSocketAddress>	superPeers

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	TopologyHandler()
protected	TopologyHandler(Map<DrasylAddress,InetSocketAddress> superPeers, Map<DrasylAddress,InetSocketAddress> childrenPeers)

Method Summary

Modifier and Type	Method	Description
protected TopologyHandler.Topology	topology(io.netty.channel.ChannelHandlerContext ctx)
void	userEventTriggered(io.netty.channel.ChannelHandlerContext ctx, Object evt)

Methods inherited from class io.netty.channel.ChannelInboundHandlerAdapter

channelActive, channelInactive, channelRead, channelReadComplete, channelRegistered, channelUnregistered, channelWritabilityChanged, exceptionCaught

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 Details

superPeers

protected final Map<DrasylAddress,InetSocketAddress> superPeers

childrenPeers

protected final Map<DrasylAddress,InetSocketAddress> childrenPeers

Constructor Details

TopologyHandler

protected TopologyHandler(Map<DrasylAddress,InetSocketAddress> superPeers,
 Map<DrasylAddress,InetSocketAddress> childrenPeers)

TopologyHandler

protected TopologyHandler()

Method Details

userEventTriggered

public void userEventTriggered(io.netty.channel.ChannelHandlerContext ctx,
 Object evt)
                        throws Exception

Specified by:

userEventTriggered in interface io.netty.channel.ChannelInboundHandler

Overrides:

userEventTriggered in class io.netty.channel.ChannelInboundHandlerAdapter

Throws:

Exception

topology

protected TopologyHandler.Topology topology(io.netty.channel.ChannelHandlerContext ctx)