1 /*
   2  * Copyright (c) 2003, 2015, 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 /* @test
  25  * @bug 4932074
  26  * @summary Test that startListening(Map) method of the com.sun.jdi.SocketListen
  27  *          Connector returns an address that is usable for the address option on
  28  *          remove debuggees.
  29  * @modules jdk.jdi
  30  */
  31 import java.net.InetAddress;
  32 import java.net.Inet4Address;
  33 import java.net.NetworkInterface;
  34 import java.io.IOException;
  35 import java.util.*;
  36 import com.sun.jdi.*;
  37 import com.sun.jdi.connect.*;
  38 
  39 public class ListenAddress {
  40 
  41     /*
  42      * Find Connector by name
  43      */
  44     private static Connector findConnector(String name) {
  45         List connectors = Bootstrap.virtualMachineManager().allConnectors();
  46         Iterator iter = connectors.iterator();
  47         while (iter.hasNext()) {
  48             Connector connector = (Connector)iter.next();
  49             if (connector.name().equals(name)) {
  50                 return connector;
  51             }
  52         }
  53         return null;
  54     }
  55 
  56     /*
  57      * Failure count
  58      */
  59     static int failures = 0;
  60 
  61     /*
  62      * Start listening with the specified Connector and check that the
  63      * returned address includes a host component. If 'addr' is not null
  64      * then set the localAddress argument to be the address.
  65      */
  66     private static void check(ListeningConnector connector, InetAddress addr)
  67         throws IOException, IllegalConnectorArgumentsException
  68     {
  69         Map args = connector.defaultArguments();
  70         if (addr != null) {
  71             Connector.StringArgument addr_arg =
  72               (Connector.StringArgument)args.get("localAddress");
  73             addr_arg.setValue(addr.getHostAddress());
  74         }
  75 
  76         String address = connector.startListening(args);
  77         if (address.indexOf(':') < 0) {
  78             System.out.println(address + " => Failed - no host component!");
  79             failures++;
  80         } else {
  81             System.out.println(address);
  82         }
  83         connector.stopListening(args);
  84     }
  85 
  86     public static void main(String args[]) throws Exception {
  87         ListeningConnector connector = (ListeningConnector)findConnector("com.sun.jdi.SocketListen");
  88 
  89         // check wildcard address
  90         check(connector, (InetAddress)null);
  91 
  92         // iterate over all IPv4 addresses and check that binding to
  93         // that address results in the correct result from startListening(Map)
  94         Enumeration nifs = NetworkInterface.getNetworkInterfaces();
  95         while (nifs.hasMoreElements()) {
  96             NetworkInterface ni = (NetworkInterface)nifs.nextElement();
  97             Enumeration addrs = ni.getInetAddresses();
  98             while (addrs.hasMoreElements()) {
  99                 InetAddress addr = (InetAddress)addrs.nextElement();
 100 
 101                 // JPDA implementation only currently supports IPv4
 102                 if (!(addr instanceof Inet4Address)) {
 103                     continue;
 104                 }
 105 
 106                 check(connector, addr);
 107             }
 108         }
 109 
 110         if (failures > 0) {
 111             throw new RuntimeException(failures + " test(s) failed - see output for details.");
 112         }
 113     }
 114 }