程序包 com.alibaba.dubbo.common.utils

类 NetUtils

java.lang.Object

com.alibaba.dubbo.common.utils.NetUtils

public class NetUtils
extends Object

IP and Port Helper for RPC

字段概要

字段

修饰符和类型	字段	说明
static String	ANYHOST
static String	LOCALHOST

构造器概要

构造器

构造器	说明
NetUtils()

方法概要

修饰符和类型	方法	说明
static String	filterLocalHost(String host)
static int	getAvailablePort()
static int	getAvailablePort(int port)
static String	getHostName(String address)
static String	getIpByHost(String hostName)
static InetAddress	getLocalAddress()	Find first valid IP from local network card
static String	getLocalHost()
static InetSocketAddress	getLocalSocketAddress(String host, int port)
static int	getRandomPort()
static boolean	isAnyHost(String host)
static boolean	isInvalidLocalHost(String host)
static boolean	isInvalidPort(int port)
static boolean	isLocalHost(String host)
static boolean	isValidAddress(String address)
static boolean	isValidLocalHost(String host)
static void	joinMulticastGroup(MulticastSocket multicastSocket, InetAddress multicastAddress)
static void	setInterface(MulticastSocket multicastSocket, boolean preferIpv6)
static InetSocketAddress	toAddress(String address)
static String	toAddressString(InetSocketAddress address)
static String	toURL(String protocol, String host, int port, String path)

从类继承的方法 java.lang.Object

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

字段详细资料

LOCALHOST

public static final String LOCALHOST

另请参阅:

常量字段值

ANYHOST

public static final String ANYHOST

另请参阅:

常量字段值

构造器详细资料

NetUtils

public NetUtils()

方法详细资料

getRandomPort

public static int getRandomPort()

getAvailablePort

public static int getAvailablePort()

getAvailablePort

public static int getAvailablePort(int port)

isInvalidPort

public static boolean isInvalidPort(int port)

isValidAddress

public static boolean isValidAddress(String address)

isLocalHost

public static boolean isLocalHost(String host)

isAnyHost

public static boolean isAnyHost(String host)

isInvalidLocalHost

public static boolean isInvalidLocalHost(String host)

isValidLocalHost

public static boolean isValidLocalHost(String host)

getLocalSocketAddress

public static InetSocketAddress getLocalSocketAddress(String host,
                                                      int port)

getLocalHost

public static String getLocalHost()

filterLocalHost

public static String filterLocalHost(String host)

getLocalAddress

public static InetAddress getLocalAddress()

Find first valid IP from local network card

返回:

first valid local IP

getHostName

public static String getHostName(String address)

getIpByHost

public static String getIpByHost(String hostName)

参数:

hostName -

返回:

ip address or hostName if UnknownHostException

toAddressString

public static String toAddressString(InetSocketAddress address)

toAddress

public static InetSocketAddress toAddress(String address)

toURL

public static String toURL(String protocol,
                           String host,
                           int port,
                           String path)

joinMulticastGroup

public static void joinMulticastGroup(MulticastSocket multicastSocket,
                                      InetAddress multicastAddress)
                               throws IOException

抛出:

IOException

setInterface

public static void setInterface(MulticastSocket multicastSocket,
                                boolean preferIpv6)
                         throws IOException

抛出:

IOException