org.apache.nifi.remote.io.socket

Class NetworkUtils

java.lang.Object

org.apache.nifi.remote.io.socket.NetworkUtils

public class NetworkUtils
extends Object

Constructor Summary

Constructors

Constructor and Description
NetworkUtils()

Method Summary

Modifier and Type	Method and Description
static int	availablePort() Get Available TCP Port
static int	getAvailableTcpPort() Get Available TCP Port using ServerSocket
static int	getAvailableUdpPort() Get Available UDP Port using DatagramSocket
static InetAddress	getInterfaceAddress(String interfaceName) Get Interface Address using interface name eg.
static boolean	isListening(String hostname, int port)
static boolean	isListening(String hostname, int port, int timeoutMillis)

Methods inherited from class java.lang.Object

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

Constructor Detail

NetworkUtils

public NetworkUtils()

Method Detail

availablePort

public static int availablePort()

Get Available TCP Port

Returns:

Available TCP Port

getAvailableTcpPort

public static int getAvailableTcpPort()

Get Available TCP Port using ServerSocket

Returns:

Available TCP Port

getAvailableUdpPort

public static int getAvailableUdpPort()

Get Available UDP Port using DatagramSocket

Returns:

Available UDP Port

isListening

public static boolean isListening(String hostname,
                                  int port)

isListening

public static boolean isListening(String hostname,
                                  int port,
                                  int timeoutMillis)

getInterfaceAddress

public static InetAddress getInterfaceAddress(String interfaceName)
                                       throws SocketException

Get Interface Address using interface name eg. en0, eth0

Parameters:

interfaceName - Network Interface Name

Returns:

Interface Address or null when matching network interface name not found

Throws:

SocketException - Thrown when failing to get interface addresses