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
24import java.io.File;
25import java.io.IOException;
26import java.net.NetworkInterface;
27import java.net.InetAddress;
28import java.util.Scanner;
29import java.util.Enumeration;
30
31/**
32 * Probes for InfiniBand devices plumbed with IP addresses.
33 */
34
35public 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}
55