Class NetUtils

java.lang.Object

com.biglybt.core.util.NetUtils

public class NetUtils
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
private static boolean	check_in_progress
private static List<NetworkInterface>	current_all_interfaces
private static int	current_check_millis
private static List<NetworkInterface>	current_up_interfaces
private static boolean	first_check
private static final Map<Object,Object[]>	host_or_address_map
private static final int	INC1_NI_CHECK_MILLIS
private static final int	INC2_NI_CHECK_MILLIS
private static long	last_ni_check
private static final int	MIN_NI_CHECK_MILLIS
(package private) static final AESemaphore	ni_sem
private static final Object	RESULT_NULL

Constructor Summary

Constructors

Constructor	Description
NetUtils()

Method Summary

Modifier and Type	Method	Description
private static void	collectNetworkInterfacesByCommonNames(List<NetworkInterface> list)	Best effort strategy of querying network interfaces by common names.
private static void	collectNetworkInterfacesByIndex(List<NetworkInterface> list)	Best effort strategy of querying network interfaces by guessing OS assigned index.
static NetworkInterface	getByInetAddress(InetAddress addr)
static NetworkInterface	getByName(String name)
private static NetworkInterface	getBySupport(Object name_or_address)
static InetAddress	getLocalHost()
static List<NetworkInterface>	getNetworkInterfaces()
static List<NetworkInterface>	getNetworkInterfaces(boolean up_only)
static List<String>	getTestDomains()
private static Enumeration<NetworkInterface>	NetworkInterface_getNetworkInterfaces()	Calls NetworkInterface.getNetworkInterface, tries to recover from SocketException on some Android devices

Methods inherited from class Object

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

Field Details

MIN_NI_CHECK_MILLIS

private static final int MIN_NI_CHECK_MILLIS

See Also:

• Constant Field Values

INC1_NI_CHECK_MILLIS

private static final int INC1_NI_CHECK_MILLIS

See Also:

• Constant Field Values

INC2_NI_CHECK_MILLIS

private static final int INC2_NI_CHECK_MILLIS

See Also:

• Constant Field Values

current_check_millis

private static int current_check_millis

last_ni_check

private static long last_ni_check

current_all_interfaces

private static volatile List<NetworkInterface> current_all_interfaces

current_up_interfaces

private static volatile List<NetworkInterface> current_up_interfaces

first_check

private static boolean first_check

check_in_progress

private static boolean check_in_progress

ni_sem

static final AESemaphore ni_sem

host_or_address_map

private static final Map<Object,Object[]> host_or_address_map

RESULT_NULL

private static final Object RESULT_NULL

Constructor Details

NetUtils

public NetUtils()

Method Details

getNetworkInterfaces

public static List<NetworkInterface> getNetworkInterfaces()
                                                   throws SocketException

Throws:

SocketException

getNetworkInterfaces

public static List<NetworkInterface> getNetworkInterfaces(boolean up_only)
                                                   throws SocketException

Throws:

SocketException

getLocalHost

public static InetAddress getLocalHost()
                                throws UnknownHostException

Throws:

UnknownHostException

getByName

public static NetworkInterface getByName(String name)
                                  throws SocketException

Throws:

SocketException

getByInetAddress

public static NetworkInterface getByInetAddress(InetAddress addr)
                                         throws SocketException

Throws:

SocketException

getBySupport

private static NetworkInterface getBySupport(Object name_or_address)
                                      throws SocketException

Throws:

SocketException

NetworkInterface_getNetworkInterfaces

private static Enumeration<NetworkInterface> NetworkInterface_getNetworkInterfaces()
                                                                            throws SocketException

Calls NetworkInterface.getNetworkInterface, tries to recover from SocketException on some Android devices

Throws:

SocketException

collectNetworkInterfacesByIndex

private static void collectNetworkInterfacesByIndex(List<NetworkInterface> list)

Best effort strategy of querying network interfaces by guessing OS assigned index. There's no guarantee of finding all interfaces, or stability across reboots.

collectNetworkInterfacesByCommonNames

private static void collectNetworkInterfacesByCommonNames(List<NetworkInterface> list)

Best effort strategy of querying network interfaces by common names.

getTestDomains

public static List<String> getTestDomains()