openjdk源码
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/*
* Copyright (c) 2002, 2012, 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 4672609 5076965 4739238
* @summary Test getLocalAddress getLocalPort
* @library ..
*/
import java.net.*;
import java.nio.channels.*;
public class LocalAddress {
public static void main(String[] args) throws Exception {
try (TestServers.EchoServer echoServer
= TestServers.EchoServer.startNewServer()) {
test1(echoServer);
}
}
static void test1(TestServers.AbstractServer server) throws Exception {
InetAddress bogus = InetAddress.getByName("0.0.0.0");
InetSocketAddress saddr = new InetSocketAddress(
server.getAddress(), server.getPort());
//Test1: connect only
SocketChannel sc = SocketChannel.open();
try {
sc.connect(saddr);
InetAddress ia = sc.socket().getLocalAddress();
if (ia == null || ia.equals(bogus))
throw new RuntimeException("test failed");
} finally {
sc.close();
}
//Test2: bind and connect
sc = SocketChannel.open();
try {
sc.socket().bind(new InetSocketAddress(0));
if (sc.socket().getLocalPort() == 0)
throw new RuntimeException("test failed");
sc.socket().connect(saddr);
InetAddress ia = sc.socket().getLocalAddress();
if (ia == null || ia.isAnyLocalAddress())
throw new RuntimeException("test failed");
} finally {
sc.close();
}
}
}