net.clackrouter.packets
Class LinkStatePacket

java.lang.Object
  net.clackrouter.protocol.data.VNSData
      net.clackrouter.packets.VNSPacket
          net.clackrouter.packets.LinkStatePacket

public class LinkStatePacket
extends VNSPacket

Packet type for a simple link-state routing protocol. OSPF packet format | routerid (4 bytes) | age (4 bytes)| seq num (4 bytes) | num link entries (2 bytes) | num net entries (2 bytes) | | list of link entries (8 bytes each) | list of net entries (8 bytes each) |

Nested Class Summary

static class	LinkStatePacket.Link
static class	LinkStatePacket.Net

Field Summary

static int	LSA_SIZE_BYTES
protected java.util.ArrayList<LinkStatePacket.Link>	m_link_entries
protected java.util.ArrayList<LinkStatePacket.Net>	m_net_entries

Fields inherited from class net.clackrouter.packets.VNSPacket

m_inputInterfaceName, m_length, m_level2Type, m_local_packet, m_nextHopIPAddr, m_nextHopMacAddr, m_outputInterfaceName, m_packetByteBuffer, mParentHeader

Constructor Summary

LinkStatePacket(java.nio.ByteBuffer packetBuffer)
Constructs an OSPF packet from the supplied byte buffer.

LinkStatePacket(long id, long a, long seq)

Method Summary

void	addLinkLSA(long linkID, int weight)
void	addNetworkLSA(java.net.InetAddress network, java.net.InetAddress mask)
long	getAge()
java.util.ArrayList	getLinkLSAs()
java.util.ArrayList	getNetworkLSAs()
long	getRouterID()
long	getSequenceNumber()
static boolean	LSAContentIsIdentical(LinkStatePacket p1, LinkStatePacket p2) Tests to see if the link and network announcement in two packets are identical This function does not compares routerID, age, or sequence number attributes
void	pack()
void	setAge(long l)

Methods inherited from class net.clackrouter.packets.VNSPacket

addToPath, get16bit, get32bit, getByteBuffer, getInputInterfaceName, getLength, getLevel2Type, getNextHopIPAddress, getNextHopMacAddress, getOutputInterfaceName, getParentHeader, getStringBuffer, isPacket, needsSourceAddress, setByteBuffer, setInputInterfaceName, setLevel2Type, setNeedsSourceAddress, setNextHopIPAddress, setNextHopMacAddress, setOutputInterfaceName, setParentHeader, toString

Methods inherited from class net.clackrouter.protocol.data.VNSData

isBanner, isClose, isHWInfo

Methods inherited from class java.lang.Object

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

Field Detail

LSA_SIZE_BYTES

public static int LSA_SIZE_BYTES

m_link_entries

protected java.util.ArrayList<LinkStatePacket.Link> m_link_entries

m_net_entries

protected java.util.ArrayList<LinkStatePacket.Net> m_net_entries

Constructor Detail

LinkStatePacket

public LinkStatePacket(long id,
                       long a,
                       long seq)

LinkStatePacket

public LinkStatePacket(java.nio.ByteBuffer packetBuffer)

Constructs an OSPF packet from the supplied byte buffer.

Parameters:

packetBuffer - Byte buffer containing an OSPF packet

Method Detail

addLinkLSA

public void addLinkLSA(long linkID,
                       int weight)

addNetworkLSA

public void addNetworkLSA(java.net.InetAddress network,
                          java.net.InetAddress mask)

getLinkLSAs

public java.util.ArrayList getLinkLSAs()

getNetworkLSAs

public java.util.ArrayList getNetworkLSAs()

pack

public void pack()

getRouterID

public long getRouterID()

getAge

public long getAge()

setAge

public void setAge(long l)

getSequenceNumber

public long getSequenceNumber()

LSAContentIsIdentical

public static boolean LSAContentIsIdentical(LinkStatePacket p1,
                                            LinkStatePacket p2)

Tests to see if the link and network announcement in two packets are identical This function does not compares routerID, age, or sequence number attributes

Parameters:

p1 -

p2 -

Returns: