Package org.eclipse.jdt.launching

Class SocketUtil

java.lang.Object

org.eclipse.jdt.launching.SocketUtil

public class SocketUtil
extends Object

Utility class to find a port to debug on.

Restriction:

This class is not intended to be subclassed by clients.

Restriction:

This class is not intended to be instantiated by clients.

Constructor Summary

Constructors

Constructor	Description
SocketUtil()

Method Summary

Modifier and Type	Method	Description
static int	findFreePort()	Returns a free port number on localhost, or -1 if unable to find a free port.
static int	findUnusedLocalPort(String host, int searchFrom, int searchTo)	Deprecated. Use findFreePort() instead.

Methods inherited from class java.lang.Object

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

Constructor Details

SocketUtil

public SocketUtil()

Method Details

findUnusedLocalPort

@Deprecated
public static int findUnusedLocalPort(String host,
 int searchFrom,
 int searchTo)

Deprecated.

Use findFreePort() instead. It is possible that this method can return a port that is already in use since the implementation does not bind to the given port to ensure that it is free.

Returns a free port number on the specified host within the given range, or -1 if none found.

Parameters:

host - name or IP address of host on which to find a free port

searchFrom - the port number from which to start searching

searchTo - the port number at which to stop searching

Returns:

a free port in the specified range, or -1 of none found

findFreePort

public static int findFreePort()

Returns a free port number on localhost, or -1 if unable to find a free port.

Returns:

a free port number on localhost, or -1 if unable to find a free port

Since:

3.0