com.raspoid.network

Class NetworkUtilities

java.lang.Object

com.raspoid.network.NetworkUtilities

public class NetworkUtilities
extends java.lang.Object

This class contains some utility functions, usefull for some network operations.

Field Summary

Fields

Modifier and Type	Field and Description
static int	MAX_PORT_NUMBER The maximum port number value available on a Raspberry Pi.
static int	MIN_PORT_NUMBER A port number must be a positive integer.

Method Summary

Modifier and Type	Method and Description
static int	getAvailablePort() Searches a port number available to launch a new server, or -1 if no port is available.
static java.util.List<java.lang.String>	getIpAddresses() Returns a list containing all ip addresses (IPv4 and IPv6) of current host, without any link local or loopback addresses.
static boolean	isAValidPortNumber(int portNumber) Checks if a port number is a valid port number.

Methods inherited from class java.lang.Object

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

Field Detail

MAX_PORT_NUMBER

public static final int MAX_PORT_NUMBER

The maximum port number value available on a Raspberry Pi.

See Also:

Constant Field Values

MIN_PORT_NUMBER

public static final int MIN_PORT_NUMBER

A port number must be a positive integer.

See Also:

Constant Field Values

Method Detail

getIpAddresses

public static java.util.List<java.lang.String> getIpAddresses()

Returns a list containing all ip addresses (IPv4 and IPv6) of current host, without any link local or loopback addresses.

Returns:

the list of ip addresses for the current host, without link local or loopback addresses.

getAvailablePort

public static int getAvailablePort()

Searches a port number available to launch a new server, or -1 if no port is available.

Returns:

a port number available to launch a new server, or -1 if no port available.

isAValidPortNumber

public static boolean isAValidPortNumber(int portNumber)

Checks if a port number is a valid port number. A valid port number is an integer value, in the MIN_PORT_NUMBER..MAX_PORT_NUMBER interval.

Parameters:

portNumber - the port number to check.

Returns:

true if the port number is a valid port number, false otherwise.