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Class calypso.core.routing.Route

java.lang.Object
   |
   +----calypso.core.routing.Route

public class Route
extends Object

A class representing routes to IP destinations. A route consists of:

CIDR-type IP address/mask length pair, eg. 10.0.0.0/8 represents a route to any IP address matching 10.*.*.*
Output port number as integer
Optional gateway host address, if the destination is not directly connected to this switch.

Version:: $Revision: 1.3 $
Author:: Juhana Räsänen
See Also:: RouteTable

gateway
ipAddr
masklen
outport
target

Route(InetAddress, int, int): Constructor to create a route without associated gateway.
Route(InetAddress, int, int, InetAddress): Constructor to create a route with associated gateway.

getAddress(): Returns the IP address of the destination
getGateway(): Returns the IP address of the gateway host for this route.
getMask(): Computes and returns the bit mask of this route.
getPort(): Returns the outgoing port number of this route.
toString(): Returns the string representation of the route.

ipAddr

 long ipAddr

masklen

 int masklen

outport

 int outport

target

 InetAddress target

gateway

 InetAddress gateway

Route

 Route(InetAddress ip_,
       int maskLength_,
       int outPort_)

Constructor to create a route without associated gateway.

Parameters:: ip_ - The destination address of the route; maskLength_ - The number of bits used in matching the route; outPort_ - The outgoing port number

Route

 Route(InetAddress ip_,
       int maskLength_,
       int outPort_,
       InetAddress gw_)

Constructor to create a route with associated gateway.

Parameters:: ip_ - The destination address of the route; maskLength_ - The number of bits used in matching the route; outPort_ - The outgoing port number; gw_ - The IP address of the gateway host

getPort

 public int getPort()

Returns the outgoing port number of this route.

Returns:: The port n umber as an integer

getMask

 public long getMask()

Computes and returns the bit mask of this route. The mask is computed using the saved mask length. The mask can be ANDed with an IP address when matching them.

Returns:: The bit mask as a long value

getAddress

 public InetAddress getAddress()

Returns the IP address of the destination

Returns:: Destination address

getGateway

 public InetAddress getGateway()

Returns the IP address of the gateway host for this route. If the destination is not directly connected to this switch, the gateway must be specified.

Returns:: Gateway host IP address

toString

 public String toString()

Returns the string representation of the route. The gateway address is not shown if it is not specified in the route.

Returns:: The string representation of the route
Overrides:: toString in class Object

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