org.universAAL.ri.gateway.communicator.service.impl

Class AbstractLinkHandler

java.lang.Object

org.universAAL.ri.gateway.communicator.service.impl.AbstractLinkHandler

All Implemented Interfaces:

Runnable

public abstract class AbstractLinkHandler
extends Object
implements Runnable

This class implements an generic link handler that has to be refined depending on the actual role of the peer in the link

Version:

$LastChangedRevision$ ($LastChangedDate: 2014-08-12 14:08:20 +0200 (Tue, 12 Aug 2014) $)

Author:

Stefano "Kismet" Lenzi

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	AbstractLinkHandler.LinkHandlerStatus

Field Summary

Fields

Modifier and Type	Field and Description
protected SocketCipher	cipher
protected MessageReceiver	communicator
protected UUID	currentSession
protected InputStream	in
protected OutputStream	out
protected SessionManager	refSM
protected Socket	socket
protected AbstractLinkHandler.LinkHandlerStatus	state

Constructor Summary

Constructors

Constructor and Description
AbstractLinkHandler(Socket socket, MessageReceiver communicator, SocketCipher cipher)

Method Summary

Modifier and Type	Method and Description
protected abstract boolean	afterRun() The method is invoked after the main loop during which theh loopRun() for cleaning up
protected abstract boolean	beforeRun() The method is invoked before the main loop during which theh loopRun() is executed
protected void	cleanUpSession()
protected boolean	connect()
protected boolean	disconnect()
protected boolean	handleGatewayProtocol(Message msg)
protected abstract boolean	handleSessionProtocol(Message msg)
boolean	isStopping()
protected abstract boolean	loopRun() The actual action that is performed eveytime.
protected void	manualCloseSocket()
protected boolean	reconnect()
void	run()
void	stop()

Methods inherited from class java.lang.Object

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

Field Detail

socket

protected final Socket socket

in

protected final InputStream in

out

protected final OutputStream out

currentSession

protected UUID currentSession

communicator

protected final MessageReceiver communicator

state

protected AbstractLinkHandler.LinkHandlerStatus state

cipher

protected final SocketCipher cipher

refSM

protected final SessionManager refSM

Constructor Detail

AbstractLinkHandler

public AbstractLinkHandler(Socket socket,
                           MessageReceiver communicator,
                           SocketCipher cipher)

Method Detail

beforeRun

protected abstract boolean beforeRun()

The method is invoked before the main loop during which theh loopRun() is executed

Returns:

true if the intialization was a SUCCES false will exit the execution

loopRun

protected abstract boolean loopRun()

The actual action that is performed eveytime. The method should return false to stop the looping

Returns:

false to stop the looping

afterRun

protected abstract boolean afterRun()

The method is invoked after the main loop during which theh loopRun() for cleaning up

Returns:

false if cleaning up failed

run

public void run()

Specified by:

run in interface Runnable

reconnect

protected boolean reconnect()

cleanUpSession

protected void cleanUpSession()

connect

protected boolean connect()

disconnect

protected boolean disconnect()

manualCloseSocket

protected void manualCloseSocket()

handleGatewayProtocol

protected boolean handleGatewayProtocol(Message msg)

handleSessionProtocol

protected abstract boolean handleSessionProtocol(Message msg)

isStopping

public boolean isStopping()

stop

public void stop()