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Class VisiModel.ATMNetwork

java.lang.Object
   |
   +----VisiModel.ATMNetwork

public abstract class ATMNetwork

extends Object

Version:

$Revision: 1.15 $, $Date: 2000/10/12 14:09:09 $

Author:

John Cavanaugh, Mike Spengler, Joseph Thomas

aliases

A list of aliases for the nodes in the network.

mappings

A mapping of network prefixes to masked names

maskAddresses

Boolean value indicating if we are to mask IP addresses.

maskCount

The current number of masked addresses.

name

The name of the network.

nets

List of networks.

nodes

A table of the nodes in the network.

ATMNetwork(String)

Constructs an IP/ATM network.

addAlias(NodeAddress, ATMNode)

Add an address alias for a node.

addAlias(String, ATMNode)

Add a name alias for a node.

addNode(ATMNode)

Add a node to the network.

clear()

Clear all nodes from the network.

contains(ATMNode)

Test whether the network contains a node.

deleteAlias(NodeAddress)

Delete a node's address alias from the network.

deleteAlias(String)

Delete a node's name alias from the network.

deleteNode(ATMNode)

Delete a node from the network.

getMapping(String)

Lookup mapping for network prefix

getMaskAddresses()

Get the value of maskAddresses.

getMaskedAddress(String)

Get the IP address mask info

getName()

Get the network's name.

getNet(String)

Returns the named ATMNetwork.

getNode(NodeAddress)

Find a node in the network via its address.

getNode(String)

Find a node in the network via its name.

getNodeEnumeration()

Gets an enumeration over the nodes in the network.

intVal(byte)

Returns an (unsigned) integer val of a (signed) byte

setMapping(String, String)

Create a mapping between a network prefix and a mask name

setMaskAddresses(boolean)

Set the value of maskAddresses

setName(String)

Set the network's name.

toString()

Return a string describing the network object.

 private static ATMNetwork nets

List of networks.

 private String name

The name of the network.

 private Vector nodes

A table of the nodes in the network.

 private Hashtable aliases

A list of aliases for the nodes in the network.

 private Hashtable mappings

A mapping of network prefixes to masked names

 private boolean maskAddresses

Boolean value indicating if we are to mask IP addresses. Initially set to false to that VisiDisplay doesn't try to to masking. VisiCollector will default to setting this to true.

 private int maskCount

The current number of masked addresses. XXX: Currently only handles 256 mappings

 public ATMNetwork(String netname)

Constructs an IP/ATM network.

Parameters:

netname - the name of this network

 public static ATMNetwork getNet(String name)

Returns the named ATMNetwork.

Parameters:

name - the name of the ATMNetwork

Returns:

the named ATMNetwork

 public boolean contains(ATMNode node)

Test whether the network contains a node.

Parameters:

node - the node to find.

Returns:

true if the node is in the network; false if it is not.

 public ATMNode getNode(NodeAddress addr) throws ATMNodeNotFoundException

Find a node in the network via its address.

Parameters:

addr - The address of the node to find.

Returns:

The node whose address was specified.

Throws: ATMNodeNotFoundException

If the specified node was not found.

 public ATMNode getNode(String nname) throws ATMNodeNotFoundException

Find a node in the network via its name.

Parameters:

nname - The name of the node to find.

Returns:

The node whose name was specified.

Throws: ATMNodeNotFoundException

If the specified node was not found.

 public void addNode(ATMNode node)

Add a node to the network.

Parameters:

node - The node to be added.

 public Enumeration getNodeEnumeration()

Gets an enumeration over the nodes in the network.

Returns:

an enumeration over the nodes in the network.

 public void deleteNode(ATMNode node)

Delete a node from the network.

Parameters:

node - The node to be deleted

 public void clear()

Clear all nodes from the network.

 public void addAlias(NodeAddress addr,
                      ATMNode node)

Add an address alias for a node.

Parameters:

addr - The new address alias for the node.

node - The node to be referenced via the alias.

 public void addAlias(String nname,
                      ATMNode node)

Add a name alias for a node.

Parameters:

nname - The new name alias for the node.

node - The node to be referenced via the alias.

 public void deleteAlias(NodeAddress addr)

Delete a node's address alias from the network.

Parameters:

addr - The address alias to be deleted.

 public void deleteAlias(String nname)

Delete a node's name alias from the network.

Parameters:

nname - The name alias to be deleted.

 public String getName()

Get the network's name.

Returns:

the name of the network.

 public void setName(String name)

Set the network's name.

Parameters:

name - the name of the network.

 public boolean getMaskAddresses()

Get the value of maskAddresses.

Returns:

the value of maskAddresses.

 public void setMaskAddresses(boolean mask)

Set the value of maskAddresses

Parameters:

mask - boolean value indicating if we should mask IP addrs.

 private int intVal(byte b)

Returns an (unsigned) integer val of a (signed) byte

Parameters:

b - the byte to be converted

Returns:

the (unsigned) integer value

 public String getMaskedAddress(String name)

Get the IP address mask info

Returns:

the information for masking IP addresses.

 public String toString()

Return a string describing the network object.

Returns:

A String containing a description of the ATMNetwork object.

Overrides:

toString in class Object

 public void setMapping(String prefix,
                        String name)

Create a mapping between a network prefix and a mask name

Parameters:

prefix - Network prefix to mask

name - Mask name for this prefix

 public String getMapping(String prefix)

Lookup mapping for network prefix

Parameters:

prefix - Network prefix to look up

Returns:

The name to mask this prefix with

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