| /* |
| * Copyright (c) 2009, 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. |
| */ |
| |
| import java.net.*; |
| import java.io.*; |
| import java.nio.channels.*; |
| import java.util.Enumeration; |
| |
| /** |
| * Sanity check Socket/ServerSocket and each of the stream-oriented channels |
| * on each IP address plumbed to the network adapters. |
| */ |
| |
| public class Sanity { |
| public static void main(String[] args) throws Exception { |
| Enumeration<NetworkInterface> nifs = NetworkInterface.getNetworkInterfaces(); |
| while (nifs.hasMoreElements()) { |
| NetworkInterface ni = nifs.nextElement(); |
| Enumeration<InetAddress> addrs = ni.getInetAddresses(); |
| while (addrs.hasMoreElements()) { |
| InetAddress addr = addrs.nextElement(); |
| test(addr); |
| } |
| } |
| } |
| |
| static void test(InetAddress addr) throws Exception { |
| System.out.println(addr.getHostAddress()); |
| |
| // ServerSocketChannel.bind |
| ServerSocketChannel ssc = ServerSocketChannel.open(); |
| try { |
| ssc.bind(new InetSocketAddress(addr, 0)); |
| int port = ((InetSocketAddress)(ssc.getLocalAddress())).getPort(); |
| |
| // SocketChannel.connect (implicit bind) |
| SocketChannel client = SocketChannel.open(); |
| try { |
| client.connect(new InetSocketAddress(addr, port)); |
| SocketChannel peer = ssc.accept(); |
| try { |
| testConnection(Channels.newOutputStream(client), |
| Channels.newInputStream(peer)); |
| } finally { |
| peer.close(); |
| } |
| } finally { |
| client.close(); |
| } |
| |
| // SocketChannel.connect (explicit bind) |
| client = SocketChannel.open(); |
| try { |
| client.bind(new InetSocketAddress(addr, 0)) |
| .connect(new InetSocketAddress(addr, port)); |
| ssc.accept().close(); |
| } finally { |
| client.close(); |
| } |
| } finally { |
| ssc.close(); |
| } |
| |
| // AsynchronousServerSocketChannel.bind |
| AsynchronousServerSocketChannel server = |
| AsynchronousServerSocketChannel.open(); |
| try { |
| server.bind(new InetSocketAddress(addr, 0)); |
| int port = ((InetSocketAddress)(server.getLocalAddress())).getPort(); |
| |
| // AsynchronousSocketChannel.connect (implicit bind) |
| AsynchronousSocketChannel client = AsynchronousSocketChannel.open(); |
| try { |
| client.connect(new InetSocketAddress(addr, port)).get(); |
| AsynchronousSocketChannel peer = server.accept().get(); |
| try { |
| testConnection(Channels.newOutputStream(client), |
| Channels.newInputStream(peer)); |
| } finally { |
| peer.close(); |
| } |
| } finally { |
| client.close(); |
| } |
| |
| // AsynchronousSocketChannel.connect (explicit bind) |
| client = AsynchronousSocketChannel.open(); |
| try { |
| client.bind(new InetSocketAddress(addr, 0)) |
| .connect(new InetSocketAddress(addr, port)).get(); |
| server.accept().get().close(); |
| } finally { |
| client.close(); |
| } |
| } finally { |
| server.close(); |
| } |
| |
| // ServerSocket.bind |
| ServerSocket ss = new ServerSocket(); |
| try { |
| ss.bind(new InetSocketAddress(addr, 0)); |
| int port = ss.getLocalPort(); |
| |
| // Socket.connect (implicit bind) |
| Socket s = new Socket(); |
| try { |
| s.connect(new InetSocketAddress(addr, port)); |
| Socket peer = ss.accept(); |
| try { |
| testConnection(s.getOutputStream(), peer.getInputStream()); |
| } finally { |
| peer.close(); |
| } |
| } finally { |
| s.close(); |
| } |
| |
| // Socket.connect (explicit bind) |
| s = new Socket(); |
| try { |
| s.bind(new InetSocketAddress(addr, 0)); |
| s.connect(new InetSocketAddress(addr, port)); |
| ss.accept().close(); |
| } finally { |
| s.close(); |
| } |
| } finally { |
| ss.close(); |
| } |
| } |
| |
| static void testConnection(OutputStream out, InputStream in) |
| throws IOException |
| { |
| byte[] msg = "hello".getBytes(); |
| out.write(msg); |
| |
| byte[] ba = new byte[100]; |
| int nread = 0; |
| while (nread < msg.length) { |
| int n = in.read(ba); |
| if (n < 0) |
| throw new IOException("EOF not expected!"); |
| nread += n; |
| } |
| } |
| } |