8209152: (so) ServerSocketChannel::supportedOptions includes IP_TOS

Reviewed-by: chegar

src/java.base/share/classes/sun/nio/ch/ServerSocketChannelImpl.java

@@ -152,13 +152,6 @@ class ServerSocketChannelImpl
         synchronized (stateLock) {
             ensureOpen();
 
-            if (name == StandardSocketOptions.IP_TOS) {
-                ProtocolFamily family = Net.isIPv6Available() ?
-                    StandardProtocolFamily.INET6 : StandardProtocolFamily.INET;
-                Net.setSocketOption(fd, family, name, value);
-                return this;
-            }
-
             if (name == StandardSocketOptions.SO_REUSEADDR && Net.useExclusiveBind()) {
                 // SO_REUSEADDR emulated when using exclusive bind
                 isReuseAddress = (Boolean)value;
@@ -200,7 +193,6 @@ class ServerSocketChannelImpl
             if (Net.isReusePortAvailable()) {
                 set.add(StandardSocketOptions.SO_REUSEPORT);
             }
-            set.add(StandardSocketOptions.IP_TOS);
             set.addAll(ExtendedSocketOptions.options(SOCK_STREAM));
             return Collections.unmodifiableSet(set);
         }

test/jdk/java/nio/channels/etc/PrintSupportedOptions.java

@@ -0,0 +1,66 @@
+/*
+ * 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
+ * @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.*;
+
+public class PrintSupportedOptions {
+
+    @FunctionalInterface
+    interface NetworkChannelSupplier<T extends NetworkChannel> {
+        T get() throws IOException;
+    }
+
+    public static void main(String[] args) throws IOException {
+        test(() -> SocketChannel.open());
+        test(() -> ServerSocketChannel.open());
+        test(() -> DatagramChannel.open());
+
+        test(() -> AsynchronousSocketChannel.open());
+        test(() -> AsynchronousServerSocketChannel.open());
+    }
+
+    @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 (value != null) {
+                    ch.setOption((SocketOption<Object>) opt, value);
+                }
+            }
+        }
+    }
+}