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/*
* Copyright (c) 2018, 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
* @library /test/lib
* @requires (os.family == "linux" | os.family == "mac" | os.family == "windows")
* @bug 8209152
* @run main PrintSupportedOptions
* @run main/othervm -Djava.net.preferIPv4Stack=true PrintSupportedOptions
*/
import java.io.IOException;
import java.net.SocketOption;
import java.nio.channels.*;
import java.util.*;
import jdk.test.lib.net.IPSupport;
public class PrintSupportedOptions {
@FunctionalInterface
interface NetworkChannelSupplier<T extends NetworkChannel> {
T get() throws IOException;
}
public static void main(String[] args) throws IOException {
IPSupport.throwSkippedExceptionIfNonOperational();
test(() -> SocketChannel.open());
test(() -> ServerSocketChannel.open());
test(() -> DatagramChannel.open());
test(() -> AsynchronousSocketChannel.open());
test(() -> AsynchronousServerSocketChannel.open());
}
static final Set<String> READ_ONLY_OPTS = Set.of("SO_INCOMING_NAPI_ID");
@SuppressWarnings("unchecked")
static <T extends NetworkChannel>
void test(NetworkChannelSupplier<T> supplier) throws IOException {
try (T ch = supplier.get()) {
System.out.println(ch);
for (SocketOption<?> opt : ch.supportedOptions()) {
Object value = ch.getOption(opt);
System.out.format(" %s -> %s%n", opt.name(), value);
if (!READ_ONLY_OPTS.contains(opt.name())) {
if (value != null)
ch.setOption((SocketOption<Object>) opt, value);
}
}
}
}
}
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