| /* |
| * Copyright (c) 2003, 2013, 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 4849277 7183800 |
| * @summary Test DatagramChannel send while connected |
| * @author Mike McCloskey |
| */ |
| |
| import java.io.*; |
| import java.net.*; |
| import java.nio.*; |
| import java.nio.channels.*; |
| import java.nio.charset.*; |
| |
| public class ConnectedSend { |
| |
| public static void main(String[] args) throws Exception { |
| test1(); |
| test2(); |
| } |
| |
| // Check if DatagramChannel.send while connected can include |
| // address without throwing |
| private static void test1() throws Exception { |
| |
| DatagramChannel sndChannel = DatagramChannel.open(); |
| sndChannel.socket().bind(null); |
| InetAddress address = InetAddress.getLocalHost(); |
| if (address.isLoopbackAddress()) { |
| address = InetAddress.getLoopbackAddress(); |
| } |
| InetSocketAddress sender = new InetSocketAddress( |
| address, |
| sndChannel.socket().getLocalPort()); |
| |
| DatagramChannel rcvChannel = DatagramChannel.open(); |
| rcvChannel.socket().bind(null); |
| InetSocketAddress receiver = new InetSocketAddress( |
| address, |
| rcvChannel.socket().getLocalPort()); |
| |
| rcvChannel.connect(sender); |
| sndChannel.connect(receiver); |
| |
| ByteBuffer bb = ByteBuffer.allocate(256); |
| bb.put("hello".getBytes()); |
| bb.flip(); |
| int sent = sndChannel.send(bb, receiver); |
| bb.clear(); |
| rcvChannel.receive(bb); |
| bb.flip(); |
| CharBuffer cb = Charset.forName("US-ASCII").newDecoder().decode(bb); |
| if (!cb.toString().startsWith("h")) |
| throw new RuntimeException("Test failed"); |
| |
| rcvChannel.close(); |
| sndChannel.close(); |
| } |
| |
| // Check if the datagramsocket adaptor can send with a packet |
| // that has not been initialized with an address; the legacy |
| // datagram socket will send in this case |
| private static void test2() throws Exception { |
| DatagramChannel sndChannel = DatagramChannel.open(); |
| sndChannel.socket().bind(null); |
| InetAddress address = InetAddress.getLocalHost(); |
| if (address.isLoopbackAddress()) { |
| address = InetAddress.getLoopbackAddress(); |
| } |
| InetSocketAddress sender = new InetSocketAddress( |
| address, |
| sndChannel.socket().getLocalPort()); |
| |
| DatagramChannel rcvChannel = DatagramChannel.open(); |
| rcvChannel.socket().bind(null); |
| InetSocketAddress receiver = new InetSocketAddress( |
| address, |
| rcvChannel.socket().getLocalPort()); |
| |
| rcvChannel.connect(sender); |
| sndChannel.connect(receiver); |
| |
| byte b[] = "hello".getBytes("UTF-8"); |
| DatagramPacket pkt = new DatagramPacket(b, b.length); |
| sndChannel.socket().send(pkt); |
| |
| ByteBuffer bb = ByteBuffer.allocate(256); |
| rcvChannel.receive(bb); |
| bb.flip(); |
| CharBuffer cb = Charset.forName("US-ASCII").newDecoder().decode(bb); |
| if (!cb.toString().startsWith("h")) |
| throw new RuntimeException("Test failed"); |
| |
| // Check that the pkt got set with the target address; |
| // This is legacy behavior |
| if (!pkt.getSocketAddress().equals(receiver)) |
| throw new RuntimeException("Test failed"); |
| |
| rcvChannel.close(); |
| sndChannel.close(); |
| } |
| } |