org.onosproject.routing.fpm.protocol

Class RouteAttribute

java.lang.Object

org.onosproject.routing.fpm.protocol.RouteAttribute

Direct Known Subclasses:

RouteAttributeDst, RouteAttributeGateway, RouteAttributeOif, RouteAttributePriority

public abstract class RouteAttribute
extends Object

Route attribute header.

Field Summary

Fields

Modifier and Type	Field and Description
static int	ROUTE_ATTRIBUTE_HEADER_LENGTH
static int	RTA_DST
static int	RTA_GATEWAY
static int	RTA_OIF
static int	RTA_PRIORITY

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	RouteAttribute(int length, int type) Class constructor.

Method Summary

Modifier and Type	Method and Description
static RouteAttribute	decode(byte[] buffer, int start, int length) Decodes a route attribute from an input buffer.
int	length() Returns the attribute length.
abstract String	toString()
int	type() Returns the attribute type.

Methods inherited from class java.lang.Object

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

Field Detail

ROUTE_ATTRIBUTE_HEADER_LENGTH

public static final int ROUTE_ATTRIBUTE_HEADER_LENGTH

See Also:

Constant Field Values

RTA_DST

public static final int RTA_DST

See Also:

Constant Field Values

RTA_OIF

public static final int RTA_OIF

See Also:

Constant Field Values

RTA_GATEWAY

public static final int RTA_GATEWAY

See Also:

Constant Field Values

RTA_PRIORITY

public static final int RTA_PRIORITY

See Also:

Constant Field Values

Constructor Detail

RouteAttribute

protected RouteAttribute(int length,
                         int type)

Class constructor.

Parameters:

length - attribute length

type - attribute type

Method Detail

length

public int length()

Returns the attribute length.

Returns:

length

type

public int type()

Returns the attribute type.

Returns:

type

toString

public abstract String toString()

Overrides:

toString in class Object

decode

public static RouteAttribute decode(byte[] buffer,
                                    int start,
                                    int length)
                             throws org.onlab.packet.DeserializationException

Decodes a route attribute from an input buffer.

Parameters:

buffer - input buffer

start - starting position the route attribute message

length - length of the message

Returns:

route attribute message

Throws:

org.onlab.packet.DeserializationException - if a route attribute could not be decoded from the input buffer