jist.swans.route
Class RouteZrpBrpFlood

java.lang.Object
  jist.swans.route.RouteZrpBrpFlood

All Implemented Interfaces:

Protocol, Timer, RouteInterface.Zrp.Brp

public class RouteZrpBrpFlood
extends java.lang.Object
implements RouteInterface.Zrp.Brp, Timer

Zone Routing Protocol: Bordercast Resolution (sub)Protocol: Naive flooding.

Since:

SWANS1.0

Version:

$Id: RouteZrpBrpFlood.java,v 1.4 2004/04/06 16:07:51 barr Exp $

Author:

Rimon Barr <barr+jist@cs.cornell.edu>

Nested Class Summary

private static class

RouteZrpBrpFlood.MessageBrpFlood Query flooding packet.

Field Summary

static long	COVERAGE_LIFETIME query coverage expiration.
static long	COVERAGE_REFRESH query coverage refresh timer (check for expiration).
static long	JITTER brp delivery jitter.
static org.apache.log4j.Logger	logBRPFlood logger for BRP events.
private java.util.HashMap	queryCoverage bordercast supression table: QueryKey - QueryCoverageEntry.
private RouteZrp	zrp reference to zrp routing framework.

Constructor Summary

RouteZrpBrpFlood(RouteZrp zrp)
Create new "default" BRP (ZRP sub-protocol) handler.

RouteZrpBrpFlood(RouteZrp zrp, java.lang.String config)
Create new "default" BRP (ZRP sub-protocol) handler.

Method Summary

private RouteZrpBrp.QueryCoverageEntry	getQueryCoverageEntry(NetAddress src, short seq) Return query coverage entry for given source and identifier.
void	receive(RouteInterface.Zrp.MessageBrp msg, NetAddress from) Process incoming BRP packet.
void	send(RouteInterface.Zrp.MessageIerp msg) Bordercast a query.
void	start() Start running protocol.
void	timeout() Timer expiration processing.

Methods inherited from class java.lang.Object

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

Field Detail

logBRPFlood

public static final org.apache.log4j.Logger logBRPFlood

logger for BRP events.

COVERAGE_LIFETIME

public static final long COVERAGE_LIFETIME

query coverage expiration.

See Also:

Constant Field Values

COVERAGE_REFRESH

public static final long COVERAGE_REFRESH

query coverage refresh timer (check for expiration).

See Also:

Constant Field Values

JITTER

public static final long JITTER

brp delivery jitter.

See Also:

Constant Field Values

zrp

private RouteZrp zrp

reference to zrp routing framework.

queryCoverage

private java.util.HashMap queryCoverage

bordercast supression table: QueryKey - QueryCoverageEntry.

Constructor Detail

RouteZrpBrpFlood

public RouteZrpBrpFlood(RouteZrp zrp)

Create new "default" BRP (ZRP sub-protocol) handler.

Parameters:

zrp - object reference to zrp routing framework

RouteZrpBrpFlood

public RouteZrpBrpFlood(RouteZrp zrp,
                        java.lang.String config)

Create new "default" BRP (ZRP sub-protocol) handler.

Parameters:

zrp - object reference to zrp routing framework

config - configuration string

Method Detail

getQueryCoverageEntry

private RouteZrpBrp.QueryCoverageEntry getQueryCoverageEntry(NetAddress src,
                                                             short seq)

Return query coverage entry for given source and identifier. Create a new query coverage entry if one does not exist.

Parameters:

src - query source address

seq - query source identifier

Returns:

query coverage

start

public void start()

Start running protocol.

Specified by:

start in interface Protocol

receive

public void receive(RouteInterface.Zrp.MessageBrp msg,
                    NetAddress from)

Process incoming BRP packet.

Specified by:

receive in interface RouteInterface.Zrp.Brp

Parameters:

msg - brp packet

from - source of incoming brp packet

send

public void send(RouteInterface.Zrp.MessageIerp msg)

Bordercast a query.

Specified by:

send in interface RouteInterface.Zrp.Brp

Parameters:

msg - query to bordercast

timeout

public void timeout()

Timer expiration processing.

Specified by:

timeout in interface Timer