/* * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package java.net; import java.io.IOException; /* * Package private implementation of InetAddressImpl for dual * IPv4/IPv6 stack. *
* If InetAddress.preferIPv6Address is true then anyLocalAddress(),
* loopbackAddress(), and localHost() will return IPv6 addresses,
* otherwise IPv4 addresses.
*
* @since 1.4
*/
class Inet6AddressImpl implements InetAddressImpl {
public native String getLocalHostName() throws UnknownHostException;
public native InetAddress[]
lookupAllHostAddr(String hostname) throws UnknownHostException;
public native String getHostByAddr(byte[] addr) throws UnknownHostException;
private native boolean isReachable0(byte[] addr, int scope, int timeout, byte[] inf, int ttl, int if_scope) throws IOException;
public boolean isReachable(InetAddress addr, int timeout, NetworkInterface netif, int ttl) throws IOException {
byte[] ifaddr = null;
int scope = -1;
int netif_scope = -1;
if (netif != null) {
/*
* Let's make sure we bind to an address of the proper family.
* Which means same family as addr because at this point it could
* be either an IPv6 address or an IPv4 address (case of a dual
* stack system).
*/
java.util.Enumeration