rice.pastry.standard
Class PeriodicLeafSetProtocol

java.lang.Object
  rice.pastry.standard.PeriodicLeafSetProtocol

All Implemented Interfaces:

MessageReceiver

public class PeriodicLeafSetProtocol

extends java.lang.Object

implements MessageReceiver

An implementation of a periodic-style leafset protocol

Version:

$Id: PeriodicLeafSetProtocol.java,v 1.11 2005/06/16 16:07:41 jeffh Exp $

Author:

Alan Mislove

Field Summary

int	CHECK_LIVENESS_PERIOD DESCRIBE THE FIELD
protected java.util.Hashtable	lastTimeReceivedBLS NodeHandle -> Long remembers the TIME when we received a BLS from that NodeHandle
protected LeafSet	leafSet DESCRIBE THE FIELD
protected NodeHandle	localHandle DESCRIBE THE FIELD
protected PastryNode	localNode DESCRIBE THE FIELD
int	PING_NEIGHBOR_PERIOD Related to rapidly determining direct neighbor liveness.
protected RoutingTable	routeTable DESCRIBE THE FIELD
protected PastrySecurityManager	security DESCRIBE THE FIELD

Constructor Summary

PeriodicLeafSetProtocol(PastryNode ln, NodeHandle local, PastrySecurityManager sm, LeafSet ls, RoutingTable rt)
Builds a periodic leafset protocol

Method Summary

protected void	broadcastAll() Broadcast the leaf set to all members of the local leaf set.
Address	getAddress() Gets the address.
void	receiveMessage(Message msg) Receives messages.

Methods inherited from class java.lang.Object

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

Field Detail

localHandle

protected NodeHandle localHandle

DESCRIBE THE FIELD

localNode

protected PastryNode localNode

DESCRIBE THE FIELD

security

protected PastrySecurityManager security

DESCRIBE THE FIELD

leafSet

protected LeafSet leafSet

DESCRIBE THE FIELD

routeTable

protected RoutingTable routeTable

DESCRIBE THE FIELD

lastTimeReceivedBLS

protected java.util.Hashtable lastTimeReceivedBLS

NodeHandle -> Long remembers the TIME when we received a BLS from that NodeHandle

PING_NEIGHBOR_PERIOD

public final int PING_NEIGHBOR_PERIOD

Related to rapidly determining direct neighbor liveness.

CHECK_LIVENESS_PERIOD

public final int CHECK_LIVENESS_PERIOD

DESCRIBE THE FIELD

Constructor Detail

PeriodicLeafSetProtocol

public PeriodicLeafSetProtocol(PastryNode ln,
                               NodeHandle local,
                               PastrySecurityManager sm,
                               LeafSet ls,
                               RoutingTable rt)

Builds a periodic leafset protocol

Parameters:

ln - DESCRIBE THE PARAMETER

local - DESCRIBE THE PARAMETER

sm - DESCRIBE THE PARAMETER

ls - DESCRIBE THE PARAMETER

rt - DESCRIBE THE PARAMETER

Method Detail

getAddress

public Address getAddress()

Gets the address.

Returns:

the address.

receiveMessage

public void receiveMessage(Message msg)

Receives messages.

Specified by:

receiveMessage in interface MessageReceiver

Parameters:

msg - the message.

broadcastAll

protected void broadcastAll()

Broadcast the leaf set to all members of the local leaf set.