ml.shifu.guagua.util

Class NetworkUtils

java.lang.Object

ml.shifu.guagua.util.NetworkUtils

public final class NetworkUtils
extends Object

NetworkUtils is used as TCP server or port helper functions.

Field Summary

Fields

Modifier and Type	Field and Description
static int	RETRY_COUNT Client connection retry count
static int	TRY_PORT_COUNT How many ports will be used to launch embed zookeeper server.

Method Summary

Methods

Modifier and Type	Method and Description
static int	getValidServerPort(int iniatialPort) Get valid TCP server port.
static boolean	isServerAlive(InetAddress host, int port) Check whether a server is alive.
static boolean	isServerAlive(String host, int port) Check whether a server is alive.

Methods inherited from class java.lang.Object

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

Field Detail

RETRY_COUNT

public static final int RETRY_COUNT

Client connection retry count

See Also:

Constant Field Values

TRY_PORT_COUNT

public static final int TRY_PORT_COUNT

How many ports will be used to launch embed zookeeper server.

See Also:

Constant Field Values

Method Detail

isServerAlive

public static boolean isServerAlive(String host,
                    int port)

Check whether a server is alive.

Parameters:

host - the server host

port - the server port

Returns:

true if a server is alive, false if a server is not alive.

isServerAlive

public static boolean isServerAlive(InetAddress host,
                    int port)

Check whether a server is alive.

Parameters:

host - the server host

port - the server port

Returns:

true if a server is alive, false if a server is not alive.

getValidServerPort

public static int getValidServerPort(int iniatialPort)

Get valid TCP server port.

Returns:

valid TCP server port