rice.pastry.socket
Class SocketNATHandler

java.lang.Object
  rice.pastry.socket.StubNATHandler
      rice.pastry.socket.SocketNATHandler

All Implemented Interfaces:

NATHandler

public class SocketNATHandler

extends StubNATHandler

implements NATHandler

Field Summary

static int	ALWAYS
static int	FAIL
static int	MAX_PORT
static int	NEVER
static int	OVERWRITE
static int	PREFIX_MATCH
static int	USE_DIFFERENT_PORT

Constructor Summary

SocketNATHandler(Environment env, java.net.InetSocketAddress localAddress, java.net.InetSocketAddress proxyAddress)

Method Summary

java.net.InetSocketAddress	externalAddress()
int	findAvailableFireWallPort(int internal, int external)
java.net.InetAddress	findFireWall(java.net.InetAddress bindAddress)
boolean	findFireWallIfNecessary()
protected int	getFireWallPolicyVariable(java.lang.String key)
boolean	localAddressIsProbablyNatted()
void	openFireWallPort(int local, int external)
boolean	test()
boolean	usingNAT()

Methods inherited from class rice.pastry.socket.StubNATHandler

findExternalIPwithoutUPnP, randomSubset, verifyConnection

Methods inherited from class java.lang.Object

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

Field Detail

ALWAYS

public static final int ALWAYS

See Also:

Constant Field Values

PREFIX_MATCH

public static final int PREFIX_MATCH

See Also:

Constant Field Values

NEVER

public static final int NEVER

See Also:

Constant Field Values

OVERWRITE

public static final int OVERWRITE

See Also:

Constant Field Values

USE_DIFFERENT_PORT

public static final int USE_DIFFERENT_PORT

See Also:

Constant Field Values

FAIL

public static final int FAIL

See Also:

Constant Field Values

MAX_PORT

public static final int MAX_PORT

See Also:

Constant Field Values

Constructor Detail

SocketNATHandler

public SocketNATHandler(Environment env,
                        java.net.InetSocketAddress localAddress,
                        java.net.InetSocketAddress proxyAddress)

Method Detail

findFireWall

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

Throws:

java.io.IOException

findAvailableFireWallPort

public int findAvailableFireWallPort(int internal,
                                     int external)
                              throws java.io.IOException

Throws:

java.io.IOException

openFireWallPort

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

Throws:

java.io.IOException

getFireWallPolicyVariable

protected int getFireWallPolicyVariable(java.lang.String key)

Overrides:

getFireWallPolicyVariable in class StubNATHandler

localAddressIsProbablyNatted

public boolean localAddressIsProbablyNatted()

Overrides:

localAddressIsProbablyNatted in class StubNATHandler

Returns:

true if ip address matches firewall prefix

findFireWallIfNecessary

public boolean findFireWallIfNecessary()
                                throws java.io.IOException

Throws:

java.io.IOException

usingNAT

public boolean usingNAT()

Specified by:

usingNAT in interface NATHandler

Overrides:

usingNAT in class StubNATHandler

externalAddress

public java.net.InetSocketAddress externalAddress()
                                           throws java.io.IOException

Specified by:

externalAddress in interface NATHandler

Overrides:

externalAddress in class StubNATHandler

Throws:

java.io.IOException

test

public boolean test()

Specified by:

test in interface NATHandler

Overrides:

test in class StubNATHandler