75 lines
2.9 KiB
Java
75 lines
2.9 KiB
Java
/*
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* Copyright (c) 2005, 2011, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/* @test
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* @bug 4691932
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* @summary Programmatic access to network parameters
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*/
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import java.net.*;
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import java.util.Enumeration;
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public class NetParamsTest {
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private static void printIF(NetworkInterface netif) throws SocketException {
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System.out.println(netif.getName() + " : ");
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System.out.println("\tStatus: " + (netif.isUp() ? " UP" : "DOWN"));
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byte[] mac = netif.getHardwareAddress();
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if (mac != null) {
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System.out.print("\tHardware Address: ");
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for (byte b : mac) {
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System.out.print(Integer.toHexString(b) + ":");
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}
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System.out.println();
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}
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System.out.println("\tLoopback: " + netif.isLoopback());
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System.out.println("\tPoint to Point: " + netif.isPointToPoint());
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System.out.println("\tVirtual: " + netif.isVirtual());
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if (netif.isVirtual()) {
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NetworkInterface parent = netif.getParent();
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String parentName = parent == null ? "null" : parent.getName();
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System.out.println("\tParent Interface: " + parentName);
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}
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System.out.println("\tMulticast: " + netif.supportsMulticast());
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System.out.println("\tMTU: " + netif.getMTU());
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System.out.println("\tBindings:");
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java.util.List<InterfaceAddress> binds = netif.getInterfaceAddresses();
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for (InterfaceAddress b : binds) {
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System.out.println("\t\t" + b);
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}
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Enumeration<NetworkInterface> ifs = netif.getSubInterfaces();
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while(ifs.hasMoreElements()) {
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NetworkInterface subif = ifs.nextElement();
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printIF(subif);
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}
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}
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public static void main(String[] args) throws Exception {
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Enumeration<NetworkInterface> ifs = NetworkInterface.getNetworkInterfaces();
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while (ifs.hasMoreElements()) {
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NetworkInterface netif = ifs.nextElement();
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printIF(netif);
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}
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}
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}
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