es.tid.ospf.ospfv2.lsa.tlv.subtlv

Class OSPFSubTLV

java.lang.Object

es.tid.ospf.ospfv2.lsa.tlv.subtlv.OSPFSubTLV

Direct Known Subclasses:

AdministrativeGroup, AvailableLabels, InterfaceSwitchingCapabilityDescriptor, IPv4RemoteASBRID, LabelTypeTLV, LinkID, LinkLocalRemoteIdentifiers, LinkProtectionType, LinkType, LocalInterfaceIPAddress, MaximumBandwidth, MaximumReservableBandwidth, MF_OTPAttribSubTLV, PortLabelRestriction, RemoteASNumber, RemoteInterfaceIPAddress, SharedRiskLinkGroup, TrafficEngineeringMetric, UnreservedBandwidth

public abstract class OSPFSubTLV
extends Object

Base class for OSPF Sub TLVs RFC 3630 TE Extensions to OSPF Version 2 September 2003 2.3.2. TLV Header The LSA payload consists of one or more nested Type/Length/Value (TLV) triplets for extensibility. The format of each TLV is: 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Type | Length | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Value... | . . . . . . +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ The Length field defines the length of the value portion in octets (thus a TLV with no value portion would have a length of zero). The TLV is padded to four-octet alignment; padding is not included in the length field (so a three octet value would have a length of three, but the total size of the TLV would be eight octets). Nested TLVs are also 32-bit aligned. Unrecognized types are ignored. This memo defines Types 1 and 2. See the IANA Considerations section for allocation of new Types.

Author:

ogondio

Field Summary

Fields

Modifier and Type	Field and Description
protected static org.slf4j.Logger	log Logger
protected byte[]	tlv_bytes Bytes of the TLV
protected int	TLVType Type of the OSPF TLV
protected int	TotalTLVLength Total length of the TLV (including type, length and padding)

Constructor Summary

Constructors

Constructor and Description
OSPFSubTLV()
OSPFSubTLV(byte[] bytes, int offset)

Method Summary

Modifier and Type	Method and Description
protected abstract void	decode()
abstract void	encode()
protected void	encodeHeader()
boolean	equals(Object obj)
byte[]	getTlv_bytes()
static int	getTLVLength(byte[] bytes, int offset)
int	getTLVType()
int	getTLVValueLength()
int	getTotalTLVLength()
static int	getTotalTLVLength(byte[] bytes, int offset)
static int	getType(byte[] bytes, int offset)
int	hashCode()
protected void	setTlv_bytes(byte[] tlv_bytes)
protected void	setTLVType(int tLVType)
protected void	setTLVValueLength(int TLVValueLength) Sets the lenght of the VALUE of the TLV.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Field Detail

TLVType

protected int TLVType

Type of the OSPF TLV

TotalTLVLength

protected int TotalTLVLength

Total length of the TLV (including type, length and padding)

tlv_bytes

protected byte[] tlv_bytes

Bytes of the TLV

log

protected static final org.slf4j.Logger log

Logger

Constructor Detail

OSPFSubTLV

public OSPFSubTLV()

OSPFSubTLV

public OSPFSubTLV(byte[] bytes,
                  int offset)

Method Detail

encodeHeader

protected void encodeHeader()

getTLVValueLength

public int getTLVValueLength()

getTotalTLVLength

public int getTotalTLVLength()

getTotalTLVLength

public static int getTotalTLVLength(byte[] bytes,
                                    int offset)

getTLVLength

public static int getTLVLength(byte[] bytes,
                               int offset)

getType

public static int getType(byte[] bytes,
                          int offset)

getTLVType

public int getTLVType()

setTLVType

protected void setTLVType(int tLVType)

getTlv_bytes

public byte[] getTlv_bytes()

setTlv_bytes

protected void setTlv_bytes(byte[] tlv_bytes)

setTLVValueLength

protected void setTLVValueLength(int TLVValueLength)

Sets the lenght of the VALUE of the TLV. The total length is computed!!!

Parameters:

TLVValueLength -

encode

public abstract void encode()
                     throws MalformedOSPFSubTLVException

Throws:

MalformedOSPFSubTLVException

decode

protected abstract void decode()
                        throws MalformedOSPFSubTLVException

Throws:

MalformedOSPFSubTLVException

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object