1 /* 2 * Copyright (c) 2002, 2005, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package java.net; 27 import java.io.IOException; 28 /* 29 * Package private interface to "implementation" used by 30 * {@link InetAddress}. 31 * <p> 32 * See {@link java.net.Inet4AddressImp} and 33 * {@link java.net.Inet6AddressImp}. 34 * 35 * @since 1.4 36 */ 37 interface InetAddressImpl { 38 39 // BEGIN Android-changed: Rewrote hostname lookup methods on top of Libcore.os. 40 /* 41 String getLocalHostName() throws UnknownHostException; 42 InetAddress[] 43 lookupAllHostAddr(String hostname) throws UnknownHostException; 44 */ 45 /** 46 * Lookup all addresses for {@code hostname} on the given {@code netId}. 47 */ lookupAllHostAddr(String hostname, int netId)48 InetAddress[] lookupAllHostAddr(String hostname, int netId) throws UnknownHostException; 49 50 /** 51 * Reverse-lookup the host name for a given {@code addr}. 52 */ getHostByAddr(byte[] addr)53 String getHostByAddr(byte[] addr) throws UnknownHostException; 54 55 /** 56 * Clear address caches (if any). 57 */ clearAddressCache()58 public void clearAddressCache(); 59 // END Android-changed: Rewrote hostname lookup methods on top of Libcore.os. 60 61 /** 62 * Return the "any" local address. 63 */ anyLocalAddress()64 InetAddress anyLocalAddress(); 65 66 // Android-changed: Let loopbackAddresses() return both Inet4 and Inet6 loopbacks. 67 // InetAddress loopbackAddress(); 68 /** 69 * Return a list of loop back adresses for this implementation. 70 */ loopbackAddresses()71 InetAddress[] loopbackAddresses(); 72 73 /** 74 * Whether {@code addr} is reachable over {@code netif}. 75 */ isReachable(InetAddress addr, int timeout, NetworkInterface netif, int ttl)76 boolean isReachable(InetAddress addr, int timeout, NetworkInterface netif, 77 int ttl) throws IOException; 78 } 79