test/jdk/java/net/DatagramSocket/B6411513.java
changeset 47216 71c04702a3d5
parent 5506 202f599c92aa
child 58680 7e9e2f10a050
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/java/net/DatagramSocket/B6411513.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,90 @@
+/*
+ * Copyright (c) 2006, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug 6411513
+ * @summary java.net.DatagramSocket.receive: packet isn't received
+ */
+
+import java.net.*;
+import java.util.*;
+
+public class B6411513 {
+
+    public static void main( String[] args ) throws Exception {
+        Enumeration<NetworkInterface> nics = NetworkInterface.getNetworkInterfaces();
+        while (nics.hasMoreElements()) {
+            NetworkInterface nic = nics.nextElement();
+            if (nic.isUp() && !nic.isVirtual()) {
+                Enumeration<InetAddress> addrs = nic.getInetAddresses();
+                while (addrs.hasMoreElements()) {
+                    InetAddress addr = addrs.nextElement();
+
+                    // Currently, seems there's a bug on Linux that one is
+                    // unable to get IPv6 datagrams to be received by an
+                    // IPv6 socket bound to any address except ::1. So filter
+                    // out IPv6 address here. The test should be revisited
+                    // later when aforementioned bug gets fixed.
+                    if (addr instanceof Inet4Address) {
+                        System.out.printf("%s : %s\n", nic.getName(), addr);
+                        testConnectedUDP(addr);
+                    }
+                }
+            }
+        }
+    }
+
+
+    /*
+     * Connect a UDP socket, disconnect it, then send and recv on it.
+     * It will fail on Linux if we don't silently bind(2) again at the
+     * end of DatagramSocket.disconnect().
+     */
+    private static void testConnectedUDP(InetAddress addr) throws Exception {
+        try {
+            DatagramSocket s = new DatagramSocket(0, addr);
+            DatagramSocket ss = new DatagramSocket(0, addr);
+            System.out.print("\tconnect...");
+            s.connect(ss.getLocalAddress(), ss.getLocalPort());
+            System.out.print("disconnect...");
+            s.disconnect();
+
+            byte[] data = { 0, 1, 2 };
+            DatagramPacket p = new DatagramPacket(data, data.length,
+                    s.getLocalAddress(), s.getLocalPort());
+            s.setSoTimeout( 10000 );
+            System.out.print("send...");
+            s.send( p );
+            System.out.print("recv...");
+            s.receive( p );
+            System.out.println("OK");
+
+            ss.close();
+            s.close();
+        } catch( Exception e ){
+            e.printStackTrace();
+            throw e;
+        }
+    }
+}