/* * Copyright (c) 2012, 2019, 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 6210227 * @library /test/lib * @summary REGRESSION: Socket.getLocalAddress() returns address of 0.0.0.0 on outbound TCP. * This test requires binding to the wildcard address. * @run main B6210227 * @run main/othervm -Djava.net.preferIPv4Stack=true B6210227 * @run main/othervm -Djava.net.preferIPv6Addresses=true B6210227
*/
ServerSocket ss = new ServerSocket(0); int port = ss.getLocalPort();
try {
InetSocketAddress isa = new InetSocketAddress(InetAddress.getLocalHost(), port);
Socket s = new Socket();
s.connect( isa, 1000 );
InetAddress iaLocal = s.getLocalAddress(); // if this comes back as 0.0.0.0 this would demonstrate issue
String sLocalHostname = iaLocal.getHostName(); byte[] address = iaLocal.getAddress(); if (isWildcard(address)) { if (iaLocal instanceof Inet6Address) {
String msg = IntStream.range(0, address.length)
.mapToObj(i -> "0").collect(Collectors.joining(":")); thrownew RuntimeException(msg + " returned");
} else { thrownew RuntimeException ("0.0.0.0 returned");
}
}
System.out.println("local hostname is "+sLocalHostname );
} catch(Exception e) {
System.out.println("Exception happened"); throw e;
} finally {
ss.close();
}
}
privatestaticboolean isWildcard(byte[] bytes) { for (int i = 0; i < bytes.length ; i++) { if (bytes[i] != 0) returnfalse;
} returntrue;
}
}
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