net.tomp2p.connection

Class RequestHandler<K extends FutureResponse>

java.lang.Object

io.netty.channel.ChannelHandlerAdapter

io.netty.channel.ChannelInboundHandlerAdapter

io.netty.channel.SimpleChannelInboundHandler<Message>

net.tomp2p.connection.RequestHandler<K>

Type Parameters:

K - The type of future to handle

All Implemented Interfaces:

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

public class RequestHandler<K extends FutureResponse>
extends io.netty.channel.SimpleChannelInboundHandler<Message>

Is able to send UDP messages (as a request) and processes incoming replies. It is important that this class handles close() because if we shutdown the connections, the we need to notify the futures. In case of error set the peer to offline. A similar class is RequestHandlerTCP, which is used for TCP.

Author:

Thomas Bocek

Nested Class Summary

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

io.netty.channel.ChannelHandler.Sharable

Constructor Summary

Constructors

Constructor and Description
RequestHandler(K futureResponse, PeerBean peerBean, ConnectionBean connectionBean, ConnectionConfiguration configuration) Create a request handler that can send UDP messages.

Method Summary

Methods

Modifier and Type	Method and Description
protected void	channelRead0(io.netty.channel.ChannelHandlerContext ctx, Message responseMessage)
ConnectionBean	connectionBean()
int	connectionTimeoutTCPMillis()
void	exceptionCaught(io.netty.channel.ChannelHandlerContext ctx, Throwable cause)
K	fireAndForgetBroadcastUDP(ChannelCreator channelCreator) Broadcast a UDP message (layer 2) and do not expect a reply.
K	fireAndForgetUDP(ChannelCreator channelCreator) Send a UDP message and don't expect a reply.
K	futureResponse()
int	idleTCPSeconds()
int	idleUDPSeconds()
PeerBean	peerBean()
K	sendBroadcastUDP(ChannelCreator channelCreator) Broadcast a UDP message (layer 2) and expect a reply.
K	sendTCP(ChannelCreator channelCreator) Send a TCP message and expect a reply.
K	sendTCP(ChannelCreator channelCreator, PeerConnection peerConnection) Send a TCP message and expect a reply.
K	sendTCP(PeerConnection peerConnection)
K	sendUDP(ChannelCreator channelCreator) Send a UDP message and expect a reply.
int	slowResponseTimeoutSeconds()

Methods inherited from class io.netty.channel.SimpleChannelInboundHandler

acceptInboundMessage, channelRead

Methods inherited from class io.netty.channel.ChannelInboundHandlerAdapter

channelActive, channelInactive, channelReadComplete, channelRegistered, channelUnregistered, channelWritabilityChanged, userEventTriggered

Methods inherited from class io.netty.channel.ChannelHandlerAdapter

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

Constructor Detail

RequestHandler

public RequestHandler(K futureResponse,
              PeerBean peerBean,
              ConnectionBean connectionBean,
              ConnectionConfiguration configuration)

Create a request handler that can send UDP messages.

Parameters:

futureResponse - The future that will be called when we get an answer

peerBean - The peer bean

connectionBean - The connection bean

configuration - the client side connection configuration

Method Detail

futureResponse

public K futureResponse()

Returns:

The future response that will be called when we get an answer

peerBean

public PeerBean peerBean()

Returns:

The peer bean

connectionBean

public ConnectionBean connectionBean()

Returns:

The connection bean

idleTCPSeconds

public int idleTCPSeconds()

Returns:

The time that a TCP connection can be idle

idleUDPSeconds

public int idleUDPSeconds()

Returns:

The time that a UDP connection can be idle

connectionTimeoutTCPMillis

public int connectionTimeoutTCPMillis()

Returns:

The time a TCP connection is allowed to be established

slowResponseTimeoutSeconds

public int slowResponseTimeoutSeconds()

Returns:

The time when a slow response time outs

sendUDP

public K sendUDP(ChannelCreator channelCreator)

Send a UDP message and expect a reply.

Parameters:

channelCreator - The channel creator will create a UDP connection

Returns:

The future that was added in the constructor

fireAndForgetUDP

public K fireAndForgetUDP(ChannelCreator channelCreator)

Send a UDP message and don't expect a reply.

Parameters:

channelCreator - The channel creator will create a UDP connection

Returns:

The future that was added in the constructor

sendBroadcastUDP

public K sendBroadcastUDP(ChannelCreator channelCreator)

Broadcast a UDP message (layer 2) and expect a reply.

Parameters:

channelCreator - The channel creator will create a UDP connection

Returns:

The future that was added in the constructor

fireAndForgetBroadcastUDP

public K fireAndForgetBroadcastUDP(ChannelCreator channelCreator)

Broadcast a UDP message (layer 2) and do not expect a reply.

Parameters:

channelCreator - The channel creator will create a UDP connection

Returns:

The future that was added in the constructor

sendTCP

public K sendTCP(ChannelCreator channelCreator)

Send a TCP message and expect a reply.

Parameters:

channelCreator - The channel creator will create a TCP connection

Returns:

The future that was added in the constructor

sendTCP

public K sendTCP(PeerConnection peerConnection)

sendTCP

public K sendTCP(ChannelCreator channelCreator,
        PeerConnection peerConnection)

Send a TCP message and expect a reply.

Parameters:

channelCreator - The channel creator will create a TCP connection

Returns:

The future that was added in the constructor

exceptionCaught

public void exceptionCaught(io.netty.channel.ChannelHandlerContext ctx,
                   Throwable cause)
                     throws Exception

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

Throws:

Exception

channelRead0

protected void channelRead0(io.netty.channel.ChannelHandlerContext ctx,
                Message responseMessage)
                     throws Exception

Specified by:

channelRead0 in class io.netty.channel.SimpleChannelInboundHandler<Message>

Throws:

Exception