gov.nist.antd.ospf_te
Class LinkInfo

java.lang.Object
  |
  +--gov.nist.antd.ospf_te.LinkInfo

public class LinkInfo

extends java.lang.Object

A unit of information describing a link and used in the contents of a link state advertisement. The following table shows the information that goes into the different fields depending on the LSA packet type:

 
TYPE                     LINK ID                 LINK DATA
 
----------------------------------------------------------------------------
 
1 - Router link          neighbor's router ID    interface number
 
(Point-to-Point)
 
1 - Router link             address prefix for      length (in bits) of prefix
 
(Connect-to-Stub)                subnetwork
 
3 - Summary link         -                       length (in bits) of prefix
 
(IP network)
 
4 - Summary link         -                       -
 
(AS boundary router)
 
5 - External link           Forwarding address      # of bits in destination's
 
(AS_Ext_Link)                                       address prefix
 
----------------------------------------------------------------------------
 

Field Summary

int	area The Area to which the link interface belongs.
int	id Router ID of the neighbor, if this ID exists.
int	link_data This holds additional data about the link.
int	link_id This variable holds the ID of the link.
int	metric This is the cost of the link.
int	metric_type This holds the metric type used.
java.lang.String	nh Field nh - XXX
int	TypeOneType This field is used by Router links only to indicate if it is a point-to-point or summary link.

Constructor Summary

LinkInfo(int ar, java.lang.String nhipref, int tot, int ip, int data, int m_type, int met)
Constructs a new unit of link information.

LinkInfo(java.lang.String nhipref, int ip, int data)
Constructs a new unit of link information given router and link information.

LinkInfo(java.lang.String nhipref, int ip, int data, int tot)
Constructor LinkInfo

Method Summary

boolean	equals(java.lang.Object o) Determines if a given object describes the same link as this object.
void	setID(int ident) Method setID XXX
java.lang.String	toString() Converts the link information to a string.
java.lang.String	toString(boolean usenhi) Converts the link information to a string.

Methods inherited from class java.lang.Object

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

Field Detail

area

public int area

The Area to which the link interface belongs.

id

public int id

Router ID of the neighbor, if this ID exists.

nh

public java.lang.String nh

Field nh - XXX

TypeOneType

public int TypeOneType

This field is used by Router links only to indicate if it is a point-to-point or summary link.

link_id

public int link_id

This variable holds the ID of the link.

link_data

public int link_data

This holds additional data about the link.

metric_type

public int metric_type

This holds the metric type used.

metric

public int metric

This is the cost of the link.

Constructor Detail

LinkInfo

public LinkInfo(java.lang.String nhipref,
                int ip,
                int data)

Constructs a new unit of link information given router and link information.

LinkInfo

public LinkInfo(java.lang.String nhipref,
                int ip,
                int data,
                int tot)

Constructor LinkInfo

Parameters:

nhipref - - XXX

ip - - XXX

data - - XXX

tot - - XXX

LinkInfo

public LinkInfo(int ar,
                java.lang.String nhipref,
                int tot,
                int ip,
                int data,
                int m_type,
                int met)

Constructs a new unit of link information.

Method Detail

toString

public java.lang.String toString(boolean usenhi)

Converts the link information to a string.

Parameters:

usenhi - Whether to use NHI addressing or IP addressing.

Returns:

the link information as a string

toString

public java.lang.String toString()

Converts the link information to a string.

Overrides:

toString in class java.lang.Object

Returns:

the link information as a string

setID

public void setID(int ident)

Method setID XXX

Parameters:

ident - - XXX

equals

public boolean equals(java.lang.Object o)

Determines if a given object describes the same link as this object. XXX

Overrides:

equals in class java.lang.Object

Parameters:

o - - XXX

Returns:

true only if the object is of type LinkInfo and describes the same link as this object