Package net.i2p.router.transport

Class TransportUtil

java.lang.Object

net.i2p.router.transport.TransportUtil

public abstract class TransportUtil
extends Object

Since:

IPv6

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	TransportUtil.IPv6Config

Field Summary

Fields

Modifier and Type	Field	Description
static final TransportUtil.IPv6Config	DEFAULT_IPV6_CONFIG
static final String	NTCP_IPV6_CONFIG
static final String	PROP_IPV4_FIREWALLED
static final String	PROP_IPV6_FIREWALLED
static final String	SSU_IPV6_CONFIG

Constructor Summary

Constructors

Constructor	Description
TransportUtil()

Method Summary

Modifier and Type	Method	Description
static TransportUtil.IPv6Config	getIPv6Config(String cfg)
static TransportUtil.IPv6Config	getIPv6Config(RouterContext ctx, String transportStyle)
static AddressType	getType(byte[] ip)
static AddressType	getType(String host)
static AddressType	getType(RouterAddress addr)
static boolean	isIPv4Firewalled(RouterContext ctx, String transportStyle)	This returns true if the force-firewalled setting is configured, false otherwise.
static boolean	isIPv6(RouterAddress addr)	Addresses without a host (i.e.
static boolean	isIPv6Firewalled(RouterContext ctx, String transportStyle)	This returns true if the force-firewalled setting is configured, false otherwise.
static boolean	isPubliclyRoutable(byte[] addr, boolean allowIPv6)
static boolean	isPubliclyRoutable(byte[] addr, boolean allowIPv4, boolean allowIPv6)	Ref: RFC 5735
static boolean	isValidPort(int port)	Is this a valid port for us or a remote router? ref: http://i2p-projekt.i2p/en/docs/ports ref: https://cs.chromium.org/chromium/src/net/base/port_util.cc
static boolean	isYggdrasil(RouterAddress addr)
static void	logInvalidPort(Log log, String transportStyle, int port)	log an error
static int	selectRandomPort(RouterContext ctx, String transportStyle)	Pick a random port between the configured boundaries

Methods inherited from class java.lang.Object

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

Field Details

NTCP_IPV6_CONFIG

public static final String NTCP_IPV6_CONFIG

See Also:

• Constant Field Values

SSU_IPV6_CONFIG

public static final String SSU_IPV6_CONFIG

See Also:

• Constant Field Values

PROP_IPV4_FIREWALLED

public static final String PROP_IPV4_FIREWALLED

See Also:

• Constant Field Values

PROP_IPV6_FIREWALLED

public static final String PROP_IPV6_FIREWALLED

Since:

0.9.28

See Also:

• Constant Field Values

DEFAULT_IPV6_CONFIG

public static final TransportUtil.IPv6Config DEFAULT_IPV6_CONFIG

Constructor Details

TransportUtil

public TransportUtil()

Method Details

getIPv6Config

public static TransportUtil.IPv6Config getIPv6Config(RouterContext ctx,
 String transportStyle)

getIPv6Config

public static TransportUtil.IPv6Config getIPv6Config(String cfg)

isIPv4Firewalled

public static boolean isIPv4Firewalled(RouterContext ctx,
 String transportStyle)

This returns true if the force-firewalled setting is configured, false otherwise.

Parameters:

transportStyle - ignored

Since:

0.9.20

isIPv6Firewalled

public static boolean isIPv6Firewalled(RouterContext ctx,
 String transportStyle)

This returns true if the force-firewalled setting is configured, false otherwise.

Parameters:

transportStyle - ignored

Since:

0.9.27, implemented in 0.9.28

isIPv6

public static boolean isIPv6(RouterAddress addr)

Addresses without a host (i.e. w/introducers) are assumed to be IPv4 unless a '6' cap is present

Parameters:

addr - non-null

isYggdrasil

public static boolean isYggdrasil(RouterAddress addr)

Since:

0.9.49

getType

public static AddressType getType(RouterAddress addr)

Returns:

null if unknown

Since:

0.9.54

getType

public static AddressType getType(String host)

Returns:

null if unknown

Since:

0.9.54

getType

public static AddressType getType(byte[] ip)

Returns:

null if unknown

Since:

0.9.54

isPubliclyRoutable

public static boolean isPubliclyRoutable(byte[] addr,
 boolean allowIPv6)

Parameters:

addr - non-null

Since:

IPv6 moved from TransportImpl

isPubliclyRoutable

public static boolean isPubliclyRoutable(byte[] addr,
 boolean allowIPv4,
 boolean allowIPv6)

Ref: RFC 5735

Parameters:

addr - non-null

Since:

IPv6

isValidPort

public static boolean isValidPort(int port)

Is this a valid port for us or a remote router? ref: http://i2p-projekt.i2p/en/docs/ports ref: https://cs.chromium.org/chromium/src/net/base/port_util.cc

Since:

0.9.17 moved from logic in individual transports

logInvalidPort

public static void logInvalidPort(Log log,
 String transportStyle,
 int port)

log an error

Since:

0.9.39 pulled out of UDPEndpoint

selectRandomPort

public static int selectRandomPort(RouterContext ctx,
 String transportStyle)

Pick a random port between the configured boundaries

Since:

IPv6, moved from UDPEndpoint in 0.9.39 to support NTCP also