rice.pastry.socket.nat.sbbi
Class SBBINatHandler

java.lang.Object
  rice.pastry.socket.nat.sbbi.SBBINatHandler

All Implemented Interfaces:

NATHandler

public class SBBINatHandler
extends java.lang.Object
implements NATHandler

Field Summary

static int

MAX_PORT

Constructor Summary

SBBINatHandler(Environment env, java.net.InetAddress localAddress)

Method Summary

int	findAvailableFireWallPort(int internal, int external, int tries, java.lang.String appName) Search for an available port forwarding, starting with the external address specified.
java.net.InetAddress	findFireWall(java.net.InetAddress bindAddress) Search for the firewall on the NIC specified by the bindAddress
java.net.InetAddress	getFireWallExternalAddress() The neame of the firewall's external address.
void	openFireWallPort(int local, int external, java.lang.String appName)

Methods inherited from class java.lang.Object

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

Field Detail

MAX_PORT

public static final int MAX_PORT

See Also:

Constant Field Values

Constructor Detail

SBBINatHandler

public SBBINatHandler(Environment env,
                      java.net.InetAddress localAddress)

Method Detail

findFireWall

public java.net.InetAddress findFireWall(java.net.InetAddress bindAddress)
                                  throws java.io.IOException

Description copied from interface: NATHandler

Search for the firewall on the NIC specified by the bindAddress

Specified by:

findFireWall in interface NATHandler

Parameters:

bindAddress - the network to find the firewall on

Returns:

Throws:

java.io.IOException

findAvailableFireWallPort

public int findAvailableFireWallPort(int internal,
                                     int external,
                                     int tries,
                                     java.lang.String appName)
                              throws java.io.IOException

Description copied from interface: NATHandler

Search for an available port forwarding, starting with the external address specified. The internal one is given so you can detect that the rule was already in place.

Specified by:

findAvailableFireWallPort in interface NATHandler

Returns:

Throws:

java.io.IOException

openFireWallPort

public void openFireWallPort(int local,
                             int external,
                             java.lang.String appName)
                      throws java.io.IOException

Specified by:

openFireWallPort in interface NATHandler

Throws:

java.io.IOException

getFireWallExternalAddress

public java.net.InetAddress getFireWallExternalAddress()

Description copied from interface: NATHandler

The neame of the firewall's external address. null if there is no firewall.

Specified by:

getFireWallExternalAddress in interface NATHandler

Returns: