net.clackrouter.packets
Class RIPRoutingUpdate

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

public class RIPRoutingUpdate
extends VNSPacket

This is the packet type for a simple distance-vector protocol. Packets have no header and consist only of a list of 14-byte entries: < dest ip (4-bytes)> < dest mask (4-bytes) > < cost (4-bytes) > < ttl (2 - bytes) >.

Nested Class Summary

class

RIPRoutingUpdate.Entry

Field Summary

static int

RIP_ENTRY_SIZE_BYTES

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

RIPRoutingUpdate()
Create an empty RIP routing update, for use when building an update from scratch.

RIPRoutingUpdate(java.nio.ByteBuffer packetBuffer)
Constructs an RIP packet from the supplied byte buffer, for use when extracting an update from a received IP packet

Method Summary

void	addEntry(java.net.InetAddress dest, java.net.InetAddress mask, int cost, short ttl) Adds a single entry to the list of prefixes contained in this update
java.util.ArrayList	getAllEntries() Retrieve all prefix entries contained within this update

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

RIP_ENTRY_SIZE_BYTES

public static int RIP_ENTRY_SIZE_BYTES

Constructor Detail

RIPRoutingUpdate

public RIPRoutingUpdate()

Create an empty RIP routing update, for use when building an update from scratch.

RIPRoutingUpdate

public RIPRoutingUpdate(java.nio.ByteBuffer packetBuffer)

Constructs an RIP packet from the supplied byte buffer, for use when extracting an update from a received IP packet

Parameters:

packetBuffer - Byte buffer containing a RIP packet

Method Detail

addEntry

public void addEntry(java.net.InetAddress dest,
                     java.net.InetAddress mask,
                     int cost,
                     short ttl)

Adds a single entry to the list of prefixes contained in this update

Parameters:

dest -

mask -

cost -

ttl -

getAllEntries

public java.util.ArrayList getAllEntries()

Retrieve all prefix entries contained within this update

Returns:

arraylist of RIPRoutingUpdate.Entry objects