1 /* 2 * Copyright (c) 2009, 2010, 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. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 import java.io.File; 25 import java.io.IOException; 26 import java.net.NetworkInterface; 27 import java.net.InetAddress; 28 import java.util.Scanner; 29 import java.util.Enumeration; 30 31 /** 32 * Probes for InfiniBand devices plumbed with IP addresses. 33 */ 34 35 public class ProbeIB { 36 public static void main(String[] args) throws IOException { 37 Scanner s = new Scanner(new File(args[0])); 38 try { 39 while (s.hasNextLine()) { 40 String link = s.nextLine(); 41 NetworkInterface ni = NetworkInterface.getByName(link); 42 if (ni != null) { 43 Enumeration<InetAddress> addrs = ni.getInetAddresses(); 44 while (addrs.hasMoreElements()) { 45 InetAddress addr = addrs.nextElement(); 46 System.out.println(addr.getHostAddress()); 47 } 48 } 49 } 50 } finally { 51 s.close(); 52 } 53 } 54 }