--- a/jdk/src/java.base/share/classes/jdk/net/Sockets.java Wed Apr 27 12:06:51 2016 -0700
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,339 +0,0 @@
-/*
- * Copyright (c) 2016, 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. Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * 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.
- */
-
-package jdk.net;
-
-import java.net.*;
-import java.io.IOException;
-import java.io.FileDescriptor;
-import java.security.PrivilegedAction;
-import java.security.AccessController;
-import java.lang.reflect.Field;
-import java.util.Set;
-import java.util.HashSet;
-import java.util.HashMap;
-import java.util.Collections;
-import sun.net.ExtendedOptionsImpl;
-
-/**
- * Defines static methods to set and get socket options defined by the
- * {@link java.net.SocketOption} interface. All of the standard options defined
- * by {@link java.net.Socket}, {@link java.net.ServerSocket}, and
- * {@link java.net.DatagramSocket} can be set this way, as well as additional
- * or platform specific options supported by each socket type.
- * <p>
- * The {@link #supportedOptions(Class)} method can be called to determine
- * the complete set of options available (per socket type) on the
- * current system.
- * <p>
- * When a security manager is installed, some non-standard socket options
- * may require a security permission before being set or get.
- * The details are specified in {@link ExtendedSocketOptions}. No permission
- * is required for {@link java.net.StandardSocketOptions}.
- *
- * @see java.nio.channels.NetworkChannel
- */
-public class Sockets {
-
- private static final HashMap<Class<?>,Set<SocketOption<?>>>
- options = new HashMap<>();
-
- static {
- initOptionSets();
- }
-
- private Sockets() {}
-
- /**
- * Sets the value of a socket option on a {@link java.net.Socket}
- *
- * @param s the socket
- * @param name The socket option
- * @param value The value of the socket option. May be null for some
- * options.
- *
- * @throws UnsupportedOperationException if the socket does not support
- * the option.
- *
- * @throws IllegalArgumentException if the value is not valid for
- * the option.
- *
- * @throws IOException if an I/O error occurs, or socket is closed.
- *
- * @throws SecurityException if a security manager is set and the
- * caller does not have any required permission.
- *
- * @throws NullPointerException if name is null
- *
- * @see java.net.StandardSocketOptions
- */
- public static <T> void setOption(Socket s, SocketOption<T> name, T value) throws IOException
- {
- s.setOption(name, value);
- }
-
- /**
- * Returns the value of a socket option from a {@link java.net.Socket}
- *
- * @param s the socket
- * @param name The socket option
- *
- * @return The value of the socket option.
- *
- * @throws UnsupportedOperationException if the socket does not support
- * the option.
- *
- * @throws IOException if an I/O error occurs
- *
- * @throws SecurityException if a security manager is set and the
- * caller does not have any required permission.
- *
- * @throws NullPointerException if name is null
- *
- * @see java.net.StandardSocketOptions
- */
- public static <T> T getOption(Socket s, SocketOption<T> name) throws IOException
- {
- return s.getOption(name);
- }
-
- /**
- * Sets the value of a socket option on a {@link java.net.ServerSocket}
- *
- * @param s the socket
- * @param name The socket option
- * @param value The value of the socket option.
- *
- * @throws UnsupportedOperationException if the socket does not support
- * the option.
- *
- * @throws IllegalArgumentException if the value is not valid for
- * the option.
- *
- * @throws IOException if an I/O error occurs
- *
- * @throws NullPointerException if name is null
- *
- * @throws SecurityException if a security manager is set and the
- * caller does not have any required permission.
- *
- * @see java.net.StandardSocketOptions
- */
- public static <T> void setOption(ServerSocket s, SocketOption<T> name, T value) throws IOException
- {
- s.setOption(name, value);
- }
-
- /**
- * Returns the value of a socket option from a {@link java.net.ServerSocket}
- *
- * @param s the socket
- * @param name The socket option
- *
- * @return The value of the socket option.
- *
- * @throws UnsupportedOperationException if the socket does not support
- * the option.
- *
- * @throws IOException if an I/O error occurs
- *
- * @throws NullPointerException if name is null
- *
- * @throws SecurityException if a security manager is set and the
- * caller does not have any required permission.
- *
- * @see java.net.StandardSocketOptions
- */
- public static <T> T getOption(ServerSocket s, SocketOption<T> name) throws IOException
- {
- return s.getOption(name);
- }
-
- /**
- * Sets the value of a socket option on a {@link java.net.DatagramSocket}
- * or {@link java.net.MulticastSocket}
- *
- * @param s the socket
- * @param name The socket option
- * @param value The value of the socket option.
- *
- * @throws UnsupportedOperationException if the socket does not support
- * the option.
- *
- * @throws IllegalArgumentException if the value is not valid for
- * the option.
- *
- * @throws IOException if an I/O error occurs
- *
- * @throws NullPointerException if name is null
- *
- * @throws SecurityException if a security manager is set and the
- * caller does not have any required permission.
- *
- * @see java.net.StandardSocketOptions
- */
- public static <T> void setOption(DatagramSocket s, SocketOption<T> name, T value) throws IOException
- {
- s.setOption(name, value);
- }
-
- /**
- * Returns the value of a socket option from a
- * {@link java.net.DatagramSocket} or {@link java.net.MulticastSocket}
- *
- * @param s the socket
- * @param name The socket option
- *
- * @return The value of the socket option.
- *
- * @throws UnsupportedOperationException if the socket does not support
- * the option.
- *
- * @throws IOException if an I/O error occurs
- *
- * @throws NullPointerException if name is null
- *
- * @throws SecurityException if a security manager is set and the
- * caller does not have any required permission.
- *
- * @see java.net.StandardSocketOptions
- */
- public static <T> T getOption(DatagramSocket s, SocketOption<T> name) throws IOException
- {
- return s.getOption(name);
- }
-
- /**
- * Returns a set of {@link java.net.SocketOption}s supported by the
- * given socket type. This set may include standard options and also
- * non standard extended options.
- *
- * @param socketType the type of java.net socket
- *
- * @throws IllegalArgumentException if socketType is not a valid
- * socket type from the java.net package.
- */
- public static Set<SocketOption<?>> supportedOptions(Class<?> socketType) {
- Set<SocketOption<?>> set = options.get(socketType);
- if (set == null) {
- throw new IllegalArgumentException("unknown socket type");
- }
- return set;
- }
-
- private static void checkValueType(Object value, Class<?> type) {
- if (!type.isAssignableFrom(value.getClass())) {
- String s = "Found: " + value.getClass().toString() + " Expected: "
- + type.toString();
- throw new IllegalArgumentException(s);
- }
- }
-
- private static volatile boolean checkedReusePort;
- private static volatile boolean isReusePortAvailable;
-
- /**
- * Tells whether SO_REUSEPORT is supported.
- */
- static boolean isReusePortAvailable() {
- if (!checkedReusePort) {
- isReusePortAvailable = isReusePortAvailable0();
- checkedReusePort = true;
- }
- return isReusePortAvailable;
- }
-
- private static void initOptionSets() {
- boolean flowsupported = ExtendedOptionsImpl.flowSupported();
- boolean reuseportsupported = isReusePortAvailable();
- // Socket
-
- Set<SocketOption<?>> set = new HashSet<>();
- set.add(StandardSocketOptions.SO_KEEPALIVE);
- set.add(StandardSocketOptions.SO_SNDBUF);
- set.add(StandardSocketOptions.SO_RCVBUF);
- set.add(StandardSocketOptions.SO_REUSEADDR);
- if (reuseportsupported) {
- set.add(StandardSocketOptions.SO_REUSEPORT);
- }
- set.add(StandardSocketOptions.SO_LINGER);
- set.add(StandardSocketOptions.IP_TOS);
- set.add(StandardSocketOptions.TCP_NODELAY);
- if (flowsupported) {
- set.add(ExtendedSocketOptions.SO_FLOW_SLA);
- }
- set = Collections.unmodifiableSet(set);
- options.put(Socket.class, set);
-
- // ServerSocket
-
- set = new HashSet<>();
- set.add(StandardSocketOptions.SO_RCVBUF);
- set.add(StandardSocketOptions.SO_REUSEADDR);
- if (reuseportsupported) {
- set.add(StandardSocketOptions.SO_REUSEPORT);
- }
- set.add(StandardSocketOptions.IP_TOS);
- set = Collections.unmodifiableSet(set);
- options.put(ServerSocket.class, set);
-
- // DatagramSocket
-
- set = new HashSet<>();
- set.add(StandardSocketOptions.SO_SNDBUF);
- set.add(StandardSocketOptions.SO_RCVBUF);
- set.add(StandardSocketOptions.SO_REUSEADDR);
- if (reuseportsupported) {
- set.add(StandardSocketOptions.SO_REUSEPORT);
- }
- set.add(StandardSocketOptions.IP_TOS);
- if (flowsupported) {
- set.add(ExtendedSocketOptions.SO_FLOW_SLA);
- }
- set = Collections.unmodifiableSet(set);
- options.put(DatagramSocket.class, set);
-
- // MulticastSocket
-
- set = new HashSet<>();
- set.add(StandardSocketOptions.SO_SNDBUF);
- set.add(StandardSocketOptions.SO_RCVBUF);
- set.add(StandardSocketOptions.SO_REUSEADDR);
- if (reuseportsupported) {
- set.add(StandardSocketOptions.SO_REUSEPORT);
- }
- set.add(StandardSocketOptions.IP_TOS);
- set.add(StandardSocketOptions.IP_MULTICAST_IF);
- set.add(StandardSocketOptions.IP_MULTICAST_TTL);
- set.add(StandardSocketOptions.IP_MULTICAST_LOOP);
- if (flowsupported) {
- set.add(ExtendedSocketOptions.SO_FLOW_SLA);
- }
- set = Collections.unmodifiableSet(set);
- options.put(MulticastSocket.class, set);
- }
-
- private static native boolean isReusePortAvailable0();
-}