org.eclipse.jdt.launching

Class SocketUtil

java.lang.Object

org.eclipse.jdt.launching.SocketUtil

public class SocketUtil
extends java.lang.Object

Utility class to find a port to debug on.

Constructor Summary

Constructors

Constructor and Description
SocketUtil()

Method Summary

Modifier and Type	Method and Description
static int	findFreePort() Returns a free port number on localhost, or -1 if unable to find a free port.
static int	findUnusedLocalPort(java.lang.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.

Methods inherited from class java.lang.Object

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

Constructor Detail

SocketUtil

public SocketUtil()

Method Detail

findUnusedLocalPort

@Deprecated
public static int findUnusedLocalPort(java.lang.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