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/*
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* Copyright 2007-2008 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*/
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/* @test
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* @bug 4640544
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* @summary Unit test for channels that implement NetworkChannel
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*/
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import java.nio.*;
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import java.nio.channels.*;
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import java.net.*;
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import java.io.IOException;
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import java.util.*;
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public class NetworkChannelTests {
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static interface ChannelFactory {
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NetworkChannel open() throws IOException;
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}
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static class BogusSocketAddress extends SocketAddress {
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}
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/**
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* Exercise bind method.
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*/
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static void bindTests(ChannelFactory factory) throws IOException {
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NetworkChannel ch;
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// AlreadyBoundException
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ch = factory.open().bind(new InetSocketAddress(0));
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try {
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ch.bind(new InetSocketAddress(0));
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throw new RuntimeException("AlreadyBoundException not thrown");
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} catch (AlreadyBoundException x) {
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}
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ch.close();
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// bind(null)
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ch = factory.open().bind(null);
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if (ch.getLocalAddress() == null)
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throw new RuntimeException("socket not found");
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ch.close();
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// UnsupportedAddressTypeException
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ch = factory.open();
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try {
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ch.bind(new BogusSocketAddress());
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throw new RuntimeException("UnsupportedAddressTypeException not thrown");
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} catch (UnsupportedAddressTypeException x) {
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}
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ch.close();
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// ClosedChannelException
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try {
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ch.bind(new InetSocketAddress(0));
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throw new RuntimeException("ClosedChannelException not thrown");
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} catch (ClosedChannelException x) {
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}
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}
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/**
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* Exercise getLocalAddress method.
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*/
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static void localAddressTests(ChannelFactory factory) throws IOException {
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NetworkChannel ch;
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// not bound
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ch = factory.open();
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if (ch.getLocalAddress() != null) {
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throw new RuntimeException("Local address returned when not bound");
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}
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// bound
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InetSocketAddress local =
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(InetSocketAddress)(ch.bind(new InetSocketAddress(0)).getLocalAddress());
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if (!local.getAddress().isAnyLocalAddress()) {
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if (NetworkInterface.getByInetAddress(local.getAddress()) == null)
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throw new RuntimeException("not bound to local address");
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}
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if (local.getPort() <= 0)
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throw new RuntimeException("not bound to local port");
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// closed
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ch.close();
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if (ch.getLocalAddress() != null) {
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throw new RuntimeException("Local address return when closed");
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}
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}
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/**
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* Exercise getConnectedAddress method (SocketChannel only)
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*/
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static void connectedAddressTests() throws IOException {
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ServerSocketChannel ssc = ServerSocketChannel.open()
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.bind(new InetSocketAddress(0));
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InetSocketAddress local = (InetSocketAddress)(ssc.getLocalAddress());
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int port = local.getPort();
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InetSocketAddress server = new InetSocketAddress(InetAddress.getLocalHost(), port);
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SocketChannel sc = SocketChannel.open();
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// not connected
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if (sc.getConnectedAddress() != null)
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throw new RuntimeException("getConnectedAddress returned address when not connected");
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// connected
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sc.connect(server);
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SocketAddress remote = sc.getConnectedAddress();
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if (!remote.equals(server))
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throw new RuntimeException("getConnectedAddress returned incorrect address");
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// closed
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sc.close();
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if (sc.getConnectedAddress() != null)
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throw new RuntimeException("getConnectedAddress returned address when closed");
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ssc.close();
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}
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public static void main(String[] args) throws IOException {
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ChannelFactory factory;
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// -- SocketChannel --
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factory = new ChannelFactory() {
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public NetworkChannel open() throws IOException {
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return SocketChannel.open();
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}
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};
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bindTests(factory);
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localAddressTests(factory);
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connectedAddressTests();
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// -- ServerSocketChannel --
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factory = new ChannelFactory() {
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public NetworkChannel open() throws IOException {
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return ServerSocketChannel.open();
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}
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};
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bindTests(factory);
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localAddressTests(factory);
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// backlog values
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ServerSocketChannel.open()
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.bind(new InetSocketAddress(0), 100).close();
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ServerSocketChannel.open()
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.bind(new InetSocketAddress(0), 0).close();
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ServerSocketChannel.open()
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.bind(new InetSocketAddress(0), -1).close();
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// -- DatagramChannel --
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factory = new ChannelFactory() {
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public NetworkChannel open() throws IOException {
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return DatagramChannel.open();
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}
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};
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bindTests(factory);
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localAddressTests(factory);
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}
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}
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