Package org.openmuc.jship.state.smeproth

Class Listen

java.lang.Object

org.openmuc.jship.state.SubState

org.openmuc.jship.state.smeproth.SmeProtHSubState

org.openmuc.jship.state.smeproth.Listen

Direct Known Subclasses:

ClientListenChoice, ServerListenConfirm, ServerListenProposal

public abstract class Listen
extends SmeProtHSubState

Field Summary

Fields

Modifier and Type	Field	Description
protected Configuration	config

Fields inherited from class org.openmuc.jship.state.smeproth.SmeProtHSubState

protHCallBacks

Fields inherited from class org.openmuc.jship.state.SubState

busy, changeStateCB, log, stateCB

Constructor Summary

Constructors

Constructor	Description
Listen(StateCallBack stateCB, ProtHCallBacks protHCallBacks)

Method Summary

Modifier and Type	Method	Description
protected boolean	isCompatibleVersion(int major, int minor)	checks if version is compatible, for now accept every version that is equal or lower than own version
protected boolean	isInvalidMsg(ProtocolHandshakeMsg p, ProtocolHandshakeTypeType type)	checks if a SME_PROT_H message is valid
protected ProtocolHandshakeMsg	receiveMsg()	helper method wraps parsing in a try/catch block.

Methods inherited from class org.openmuc.jship.state.smeproth.SmeProtHSubState

getProtHCallBacks, setProtHCallBacks

Methods inherited from class org.openmuc.jship.state.SubState

doProcedure, getStateCB, isBusy, next, procedure, setBusy, setNextSubState, setStateCB

Methods inherited from class java.lang.Object

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

Field Detail

config

protected Configuration config

Constructor Detail

Listen

public Listen(StateCallBack stateCB,
              ProtHCallBacks protHCallBacks)

Method Detail

receiveMsg

protected ProtocolHandshakeMsg receiveMsg()

helper method wraps parsing in a try/catch block.

Returns:

the parsed SME_PROT_H message if successful, otherwise null

isInvalidMsg

protected boolean isInvalidMsg(ProtocolHandshakeMsg p,
                               ProtocolHandshakeTypeType type)

checks if a SME_PROT_H message is valid

Parameters:

p - the SME_PROT_H message

type - the desired ProtocolHandshakeTypeType element

Returns:

true if the message is valid, false otherwise

isCompatibleVersion

protected boolean isCompatibleVersion(int major,
                                      int minor)

checks if version is compatible, for now accept every version that is equal or lower than own version

Parameters:

major - major version number

minor - minor version number

Returns:

true if version is equal or lower to own version number, false otherwise