org.onosproject.bgpio.protocol.ver4

Class BgpPathAttributes

java.lang.Object

org.onosproject.bgpio.protocol.ver4.BgpPathAttributes

public class BgpPathAttributes
extends Object

Provides Implementation of BGP Path Attribute.

Field Summary

Fields

Modifier and Type	Field and Description
static int	EXTENDED_COMMUNITY_TYPE
static int	LINK_STATE_ATTRIBUTE_TYPE
protected static org.slf4j.Logger	log
static int	MPREACHNLRI_TYPE
static int	MPUNREACHNLRI_TYPE

Constructor Summary

Constructors

Constructor and Description
BgpPathAttributes() Initialize parameter.
BgpPathAttributes(List<BgpValueType> pathAttribute) Constructor to initialize parameters for BGP path attributes.

Method Summary

Modifier and Type	Method and Description
static void	checkMandatoryAttr(boolean isOrigin, boolean isAsPath, boolean isNextHop, boolean isMpReach, boolean isMpUnReach) Checks mandatory attributes are presents, if not present throws exception.
List<BgpValueType>	pathAttributes() Returns list of path attributes.
static BgpPathAttributes	read(org.jboss.netty.buffer.ChannelBuffer cb) Reads from channelBuffer and parses BGP path attributes.
String	toString()
int	write(org.jboss.netty.buffer.ChannelBuffer cb) Write path attributes to channelBuffer.

Methods inherited from class java.lang.Object

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

Field Detail

log

protected static final org.slf4j.Logger log

LINK_STATE_ATTRIBUTE_TYPE

public static final int LINK_STATE_ATTRIBUTE_TYPE

See Also:

Constant Field Values

MPREACHNLRI_TYPE

public static final int MPREACHNLRI_TYPE

See Also:

Constant Field Values

MPUNREACHNLRI_TYPE

public static final int MPUNREACHNLRI_TYPE

See Also:

Constant Field Values

EXTENDED_COMMUNITY_TYPE

public static final int EXTENDED_COMMUNITY_TYPE

See Also:

Constant Field Values

Constructor Detail

BgpPathAttributes

public BgpPathAttributes()

Initialize parameter.

BgpPathAttributes

public BgpPathAttributes(List<BgpValueType> pathAttribute)

Constructor to initialize parameters for BGP path attributes.

Parameters:

pathAttribute - list of path attributes

Method Detail

pathAttributes

public List<BgpValueType> pathAttributes()

Returns list of path attributes.

Returns:

list of path attributes

read

public static BgpPathAttributes read(org.jboss.netty.buffer.ChannelBuffer cb)
                              throws BgpParseException

Reads from channelBuffer and parses BGP path attributes.

Parameters:

cb - channelBuffer

Returns:

object of BgpPathAttributes

Throws:

BgpParseException - while parsing BGP path attributes

write

public int write(org.jboss.netty.buffer.ChannelBuffer cb)
          throws BgpParseException

Write path attributes to channelBuffer.

Parameters:

cb - channelBuffer

Returns:

object of BgpPathAttributes

Throws:

BgpParseException - while parsing BGP path attributes

checkMandatoryAttr

public static void checkMandatoryAttr(boolean isOrigin,
                                      boolean isAsPath,
                                      boolean isNextHop,
                                      boolean isMpReach,
                                      boolean isMpUnReach)
                               throws BgpParseException

Checks mandatory attributes are presents, if not present throws exception.

Parameters:

isOrigin - say whether origin attribute is present

isAsPath - say whether aspath attribute is present

isNextHop - say whether nexthop attribute is present

isMpReach - say whether mpreach attribute is present

isMpUnReach - say whether mpunreach attribute is present

Throws:

BgpParseException - if mandatory path attribute is not present

toString

public String toString()

Overrides:

toString in class Object