jmri.jmrix.can.adapters.loopback
Class LoopbackTrafficController

java.lang.Object
  jmri.jmrix.AbstractMRTrafficController
      jmri.jmrix.can.AbstractCanTrafficController
          jmri.jmrix.can.TrafficController
              jmri.jmrix.can.adapters.loopback.LoopbackTrafficController

All Implemented Interfaces:

CanInterface

public class LoopbackTrafficController
extends TrafficController

Traffic controller for loopback CAN simulation.

Author:

Bob Jacobsen Copyright (C) 2008

Nested Class Summary

Nested classes/interfaces inherited from class jmri.jmrix.AbstractMRTrafficController

AbstractMRTrafficController.RcvNotifier, AbstractMRTrafficController.XmtNotifier

Field Summary

Fields inherited from class jmri.jmrix.can.TrafficController

_canid, self

Fields inherited from class jmri.jmrix.AbstractMRTrafficController

allowUnexpectedReply, AUTORETRYSTATE, cmdListeners, controller, flushReceiveChars, IDLESTATE, istream, mCurrentMode, mCurrentState, mLastSender, mWaitBeforePoll, NORMALMODE, NOTIFIEDSTATE, OKSENDMSGSTATE, ostream, POLLSTATE, PROGRAMINGMODE, rcvException, replyInDispatch, WAITMSGREPLYSTATE, WAITREPLYINNORMMODESTATE, WAITREPLYINPROGMODESTATE, waitTimePoll, xmtException, xmtRunnable

Constructor Summary

LoopbackTrafficController()

Method Summary

protected void	addTrailerToOutput(byte[] msg, int offset, AbstractMRMessage m) Add trailer to the outgoing byte stream.
CanReply	decodeFromHardware(AbstractMRReply m) Make a CanReply from a system-specific reply
AbstractMRMessage	encodeForHardware(CanMessage m) Encode a CanMessage for the hardware
protected boolean	endOfMessage(AbstractMRReply r)
protected void	forwardMessage(AbstractMRListener client, AbstractMRMessage m) Forward a CanMessage to all registered CanInterface listeners.
protected void	forwardReply(AbstractMRListener client, AbstractMRReply r) Forward a CanReply to all registered CanInterface listeners.
static TrafficController	instance() static function returning the CanTrafficController instance to use.
boolean	isBootMode()
protected int	lengthOfByteStream(AbstractMRMessage m) Determine how much many bytes the entire message will take, including space for header and trailer
protected AbstractMRMessage	newMessage() Get the correct concrete class for the hardware connection message
protected AbstractMRReply	newReply()
void	sendCanMessage(CanMessage m, CanListener reply) Forward a preformatted message to the actual interface.

Methods inherited from class jmri.jmrix.can.TrafficController

getCanid, setInstance

Methods inherited from class jmri.jmrix.can.AbstractCanTrafficController

addCanListener, enterNormalMode, enterProgMode, forwardToPort, handleOneIncomingReply, pollMessage, pollReplyHandler, removeCanListener

Methods inherited from class jmri.jmrix.AbstractMRTrafficController

addHeaderToOutput, addListener, canReceive, connectionWarn, connectPort, disconnectPort, enterProgModeDelayTime, finalize, getLastSender, getPortName, getSelfLock, handleTimeout, hasTimeouts, loadChars, newRcvNotifier, notifyMessage, notifyReply, portReadyToSend, portWarn, portWarnTCP, programmerIdle, readByteProtected, receiveLoop, removeListener, reportReceiveLoopException, resetTimeout, sendMessage, setAllowUnexpectedReply, status, terminate, transmitWait, waitForStartOfReply

Methods inherited from class java.lang.Object

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

Methods inherited from interface jmri.jmrix.can.CanInterface

status

Constructor Detail

LoopbackTrafficController

public LoopbackTrafficController()

Method Detail

forwardMessage

protected void forwardMessage(AbstractMRListener client,
                              AbstractMRMessage m)

Forward a CanMessage to all registered CanInterface listeners.

Specified by:

forwardMessage in class AbstractMRTrafficController

forwardReply

protected void forwardReply(AbstractMRListener client,
                            AbstractMRReply r)

Forward a CanReply to all registered CanInterface listeners.

Specified by:

forwardReply in class AbstractMRTrafficController

isBootMode

public boolean isBootMode()

sendCanMessage

public void sendCanMessage(CanMessage m,
                           CanListener reply)

Forward a preformatted message to the actual interface.

Parameters:

m - Message to be sent.

reply - Listener to be notified of reply.

addTrailerToOutput

protected void addTrailerToOutput(byte[] msg,
                                  int offset,
                                  AbstractMRMessage m)

Add trailer to the outgoing byte stream.

Overrides:

addTrailerToOutput in class AbstractMRTrafficController

Parameters:

msg - The output byte stream

offset - the first byte not yet used

lengthOfByteStream

protected int lengthOfByteStream(AbstractMRMessage m)

Determine how much many bytes the entire message will take, including space for header and trailer

Overrides:

lengthOfByteStream in class AbstractMRTrafficController

Parameters:

m - The message to be sent

Returns:

Number of bytes

instance

public static TrafficController instance()

static function returning the CanTrafficController instance to use.

Returns:

The registered SprogTrafficController instance for general use, if need be creating one.

newMessage

protected AbstractMRMessage newMessage()

Description copied from class: AbstractCanTrafficController

Get the correct concrete class for the hardware connection message

Specified by:

newMessage in class AbstractCanTrafficController

decodeFromHardware

public CanReply decodeFromHardware(AbstractMRReply m)

Make a CanReply from a system-specific reply

Specified by:

decodeFromHardware in class AbstractCanTrafficController

encodeForHardware

public AbstractMRMessage encodeForHardware(CanMessage m)

Encode a CanMessage for the hardware

Specified by:

encodeForHardware in class AbstractCanTrafficController

newReply

protected AbstractMRReply newReply()

Specified by:

newReply in class AbstractMRTrafficController

endOfMessage

protected boolean endOfMessage(AbstractMRReply r)

Specified by:

endOfMessage in class AbstractMRTrafficController