Package org.opendaylight.protocol.pcep.impl

Class DefaultPCEPSessionNegotiator

java.lang.Object

io.netty.channel.ChannelHandlerAdapter

io.netty.channel.ChannelInboundHandlerAdapter

org.opendaylight.protocol.pcep.impl.AbstractSessionNegotiator

org.opendaylight.protocol.pcep.impl.AbstractPCEPSessionNegotiator

org.opendaylight.protocol.pcep.impl.DefaultPCEPSessionNegotiator

All Implemented Interfaces:

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

public final class DefaultPCEPSessionNegotiator
extends AbstractPCEPSessionNegotiator

Nested Class Summary

Nested classes/interfaces inherited from class org.opendaylight.protocol.pcep.impl.AbstractPCEPSessionNegotiator

AbstractPCEPSessionNegotiator.State

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

io.netty.channel.ChannelHandler.Sharable

Field Summary

Fields inherited from class org.opendaylight.protocol.pcep.impl.AbstractPCEPSessionNegotiator

FAIL_TIMER_VALUE

Fields inherited from class org.opendaylight.protocol.pcep.impl.AbstractSessionNegotiator

channel, promise

Constructor Summary

Constructors

Constructor	Description
DefaultPCEPSessionNegotiator(io.netty.util.concurrent.Promise<PCEPSessionImpl> promise, io.netty.channel.Channel channel, PCEPSessionListener listener, short sessionId, int maxUnknownMessages, Open localPrefs)
DefaultPCEPSessionNegotiator(io.netty.util.concurrent.Promise<PCEPSessionImpl> promise, io.netty.channel.Channel channel, PCEPSessionListener listener, short sessionId, int maxUnknownMessages, Open localPrefs, Tls tlsConfiguration)

Method Summary

Modifier and Type	Method	Description
PCEPSessionImpl	createSession(io.netty.channel.Channel channel, Open localPrefs, Open remotePrefs)	Create the protocol session.
protected Open	getCounterProposal(Open open)	Given a peer-provided session parameters proposal which we found unacceptable, provide a counter-proposal.
protected Open	getInitialProposal()	Get the initial session parameters proposal.
protected Open	getRevisedProposal(Open suggestion)	Get the revised session parameters proposal based on the feedback the peer has provided to us.
protected boolean	isProposalAcceptable(Open open)	Check whether a peer-provided session parameters proposal is acceptable.

Methods inherited from class org.opendaylight.protocol.pcep.impl.AbstractPCEPSessionNegotiator

handleMessage, negotiationFailed, setTlsConfiguration, startNegotiation

Methods inherited from class org.opendaylight.protocol.pcep.impl.AbstractSessionNegotiator

channelActive, channelRead, exceptionCaught, negotiationSuccessful, sendMessage

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

Methods inherited from interface io.netty.channel.ChannelInboundHandler

channelInactive, channelReadComplete, channelRegistered, channelUnregistered, channelWritabilityChanged, userEventTriggered

Constructor Detail

DefaultPCEPSessionNegotiator

public DefaultPCEPSessionNegotiator(io.netty.util.concurrent.Promise<PCEPSessionImpl> promise,
                                    io.netty.channel.Channel channel,
                                    PCEPSessionListener listener,
                                    short sessionId,
                                    int maxUnknownMessages,
                                    Open localPrefs,
                                    Tls tlsConfiguration)

DefaultPCEPSessionNegotiator

public DefaultPCEPSessionNegotiator(io.netty.util.concurrent.Promise<PCEPSessionImpl> promise,
                                    io.netty.channel.Channel channel,
                                    PCEPSessionListener listener,
                                    short sessionId,
                                    int maxUnknownMessages,
                                    Open localPrefs)

Method Detail

getInitialProposal

protected Open getInitialProposal()

Description copied from class: AbstractPCEPSessionNegotiator

Get the initial session parameters proposal.

Specified by:

getInitialProposal in class AbstractPCEPSessionNegotiator

Returns:

Session parameters proposal.

createSession

public PCEPSessionImpl createSession(io.netty.channel.Channel channel,
                                     Open localPrefs,
                                     Open remotePrefs)

Description copied from class: AbstractPCEPSessionNegotiator

Create the protocol session.

Specified by:

createSession in class AbstractPCEPSessionNegotiator

Parameters:

channel - Underlying channel.

localPrefs - Session preferences proposed by us and accepted by the peer.

remotePrefs - Session preferences proposed by the peer and accepted by us.

Returns:

New protocol session.

isProposalAcceptable

protected boolean isProposalAcceptable(Open open)

Description copied from class: AbstractPCEPSessionNegotiator

Check whether a peer-provided session parameters proposal is acceptable.

Specified by:

isProposalAcceptable in class AbstractPCEPSessionNegotiator

Parameters:

open - peer-proposed session parameters

Returns:

true if the proposal is acceptable, false otherwise

getCounterProposal

protected Open getCounterProposal(Open open)

Description copied from class: AbstractPCEPSessionNegotiator

Given a peer-provided session parameters proposal which we found unacceptable, provide a counter-proposal. The requirement is that the isProposalAcceptable() method has to return true when presented with this proposal.

Specified by:

getCounterProposal in class AbstractPCEPSessionNegotiator

Parameters:

open - unacceptable peer proposal

Returns:

our counter-proposal, or null if there is no way to negotiate an acceptable proposal

getRevisedProposal

protected Open getRevisedProposal(Open suggestion)

Description copied from class: AbstractPCEPSessionNegotiator

Get the revised session parameters proposal based on the feedback the peer has provided to us.

Specified by:

getRevisedProposal in class AbstractPCEPSessionNegotiator

Parameters:

suggestion - Peer-provided suggested session parameters

Returns:

Session parameters proposal, or null if peers session parameters preclude us from suggesting anything