org.onosproject.bgpio.protocol.ver4

Class BgpOpenMsgVer4

java.lang.Object

org.onosproject.bgpio.protocol.ver4.BgpOpenMsgVer4

All Implemented Interfaces:

BgpMessage, BgpOpenMsg, Writeable

public class BgpOpenMsgVer4
extends Object
implements BgpOpenMsg

Provides BGP open message.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	BgpOpenMsgVer4.Reader Reader class for reading BGP open message from channel buffer.
static class	BgpOpenMsgVer4.Writer Writer class for writing BGP open message to channel buffer.

Field Summary

Fields

Modifier and Type	Field and Description
static short	AFI
static short	AS_TRANS
static int	DEFAULT_HOLD_TIME
static BgpHeader	DEFAULT_OPEN_HEADER
static int	FOUR_OCTET_AS_NUM_CAPA_TYPE
protected static org.slf4j.Logger	log
static byte[]	MARKER
static int	MARKER_LENGTH
static int	MSG_HEADER_LENGTH
static BgpType	MSG_TYPE
static int	OPEN_MSG_MINIMUM_LENGTH
static int	OPT_PARA_TYPE_CAPABILITY
static byte	PACKET_VERSION
static BgpOpenMsgVer4.Reader	READER
static byte	RES
static byte	SAFI
static BgpOpenMsgVer4.Writer	WRITER

Constructor Summary

Constructors

Constructor and Description
BgpOpenMsgVer4() reset variables.
BgpOpenMsgVer4(BgpHeader bgpMsgHeader, byte version, long asNumber, short holdTime, int bgpId, LinkedList<BgpValueType> capabilityTlv) Constructor to initialize all variables of BGP Open message.

Method Summary

Modifier and Type	Method and Description
long	getAsNumber() Returns AS Number of Open Message.
int	getBgpId() Returns BGP Identifier of Open Message.
LinkedList<BgpValueType>	getCapabilityTlv() Returns capabilities of Open Message.
BgpHeader	getHeader() Returns BGP Header of BGP Message.
short	getHoldTime() Returns hold time of Open Message.
BgpType	getType() Returns BGP Type of BGP Message.
BgpVersion	getVersion() Returns version of BGP Message.
protected int	packCapabilityTlv(org.jboss.netty.buffer.ChannelBuffer cb, BgpOpenMsgVer4 message) returns length of capability tlvs.
protected static LinkedList<BgpValueType>	parseCapabilityTlv(org.jboss.netty.buffer.ChannelBuffer cb) Parsing capabilities.
String	toString()
void	writeTo(org.jboss.netty.buffer.ChannelBuffer cb) Writes byte streams of messages to channel buffer.

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

PACKET_VERSION

public static final byte PACKET_VERSION

See Also:

Constant Field Values

OPEN_MSG_MINIMUM_LENGTH

public static final int OPEN_MSG_MINIMUM_LENGTH

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Constant Field Values

MSG_HEADER_LENGTH

public static final int MSG_HEADER_LENGTH

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Constant Field Values

MARKER_LENGTH

public static final int MARKER_LENGTH

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Constant Field Values

DEFAULT_HOLD_TIME

public static final int DEFAULT_HOLD_TIME

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Constant Field Values

AS_TRANS

public static final short AS_TRANS

See Also:

Constant Field Values

OPT_PARA_TYPE_CAPABILITY

public static final int OPT_PARA_TYPE_CAPABILITY

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Constant Field Values

MSG_TYPE

public static final BgpType MSG_TYPE

AFI

public static final short AFI

See Also:

Constant Field Values

SAFI

public static final byte SAFI

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Constant Field Values

RES

public static final byte RES

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Constant Field Values

FOUR_OCTET_AS_NUM_CAPA_TYPE

public static final int FOUR_OCTET_AS_NUM_CAPA_TYPE

See Also:

Constant Field Values

MARKER

public static final byte[] MARKER

DEFAULT_OPEN_HEADER

public static final BgpHeader DEFAULT_OPEN_HEADER

READER

public static final BgpOpenMsgVer4.Reader READER

WRITER

public static final BgpOpenMsgVer4.Writer WRITER

Constructor Detail

BgpOpenMsgVer4

public BgpOpenMsgVer4()

reset variables.

BgpOpenMsgVer4

public BgpOpenMsgVer4(BgpHeader bgpMsgHeader,
                      byte version,
                      long asNumber,
                      short holdTime,
                      int bgpId,
                      LinkedList<BgpValueType> capabilityTlv)

Constructor to initialize all variables of BGP Open message.

Parameters:

bgpMsgHeader - BGP Header in open message

version - BGP version in open message

holdTime - hold time in open message

asNumber - AS number in open message

bgpId - BGP identifier in open message

capabilityTlv - capabilities in open message

Method Detail

getHeader

public BgpHeader getHeader()

Description copied from interface: BgpMessage

Returns BGP Header of BGP Message.

Specified by:

getHeader in interface BgpMessage

Specified by:

getHeader in interface BgpOpenMsg

Returns:

BGP Header of BGP Message

getVersion

public BgpVersion getVersion()

Description copied from interface: BgpMessage

Returns version of BGP Message.

Specified by:

getVersion in interface BgpMessage

Specified by:

getVersion in interface BgpOpenMsg

Returns:

version of BGP Message

getType

public BgpType getType()

Description copied from interface: BgpMessage

Returns BGP Type of BGP Message.

Specified by:

getType in interface BgpMessage

Specified by:

getType in interface BgpOpenMsg

Returns:

BGP Type of BGP Message

getHoldTime

public short getHoldTime()

Description copied from interface: BgpOpenMsg

Returns hold time of Open Message.

Specified by:

getHoldTime in interface BgpOpenMsg

Returns:

hold time of Open Message

getAsNumber

public long getAsNumber()

Description copied from interface: BgpOpenMsg

Returns AS Number of Open Message.

Specified by:

getAsNumber in interface BgpOpenMsg

Returns:

AS Number of Open Message

getBgpId

public int getBgpId()

Description copied from interface: BgpOpenMsg

Returns BGP Identifier of Open Message.

Specified by:

getBgpId in interface BgpOpenMsg

Returns:

BGP Identifier of Open Message

getCapabilityTlv

public LinkedList<BgpValueType> getCapabilityTlv()

Description copied from interface: BgpOpenMsg

Returns capabilities of Open Message.

Specified by:

getCapabilityTlv in interface BgpOpenMsg

Returns:

capabilities of Open Message

parseCapabilityTlv

protected static LinkedList<BgpValueType> parseCapabilityTlv(org.jboss.netty.buffer.ChannelBuffer cb)
                                                      throws BgpParseException

Parsing capabilities.

Parameters:

cb - of type channel buffer

Returns:

capabilityTlv of open message

Throws:

BgpParseException - while parsing capabilities

writeTo

public void writeTo(org.jboss.netty.buffer.ChannelBuffer cb)

Description copied from interface: Writeable

Writes byte streams of messages to channel buffer.

Specified by:

writeTo in interface BgpMessage

Specified by:

writeTo in interface Writeable

Parameters:

cb - channelBuffer

packCapabilityTlv

protected int packCapabilityTlv(org.jboss.netty.buffer.ChannelBuffer cb,
                                BgpOpenMsgVer4 message)

returns length of capability tlvs.

Parameters:

cb - of type channel buffer

message - of type BGPOpenMsgVer4

Returns:

capParaLen of open message

toString

public String toString()

Overrides:

toString in class Object