--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/java.base/windows/classes/java/net/PlainSocketImpl.java Sun Aug 17 15:54:13 2014 +0100
@@ -0,0 +1,345 @@
+/*
+ * Copyright (c) 2007, 2013, 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 java.net;
+
+import java.io.*;
+import java.security.PrivilegedAction;
+
+/*
+ * This class PlainSocketImpl simply delegates to the appropriate real
+ * SocketImpl. We do this because PlainSocketImpl is already extended
+ * by SocksSocketImpl.
+ * <p>
+ * There are two possibilities for the real SocketImpl,
+ * TwoStacksPlainSocketImpl or DualStackPlainSocketImpl. We use
+ * DualStackPlainSocketImpl on systems that have a dual stack
+ * TCP implementation. Otherwise we create an instance of
+ * TwoStacksPlainSocketImpl and delegate to it.
+ *
+ * @author Chris Hegarty
+ */
+
+class PlainSocketImpl extends AbstractPlainSocketImpl
+{
+ private AbstractPlainSocketImpl impl;
+
+ /* the windows version. */
+ private static float version;
+
+ /* java.net.preferIPv4Stack */
+ private static boolean preferIPv4Stack = false;
+
+ /* If the version supports a dual stack TCP implementation */
+ private static boolean useDualStackImpl = false;
+
+ /* sun.net.useExclusiveBind */
+ private static String exclBindProp;
+
+ /* True if exclusive binding is on for Windows */
+ private static boolean exclusiveBind = true;
+
+ static {
+ java.security.AccessController.doPrivileged( new PrivilegedAction<Object>() {
+ public Object run() {
+ version = 0;
+ try {
+ version = Float.parseFloat(System.getProperties().getProperty("os.version"));
+ preferIPv4Stack = Boolean.parseBoolean(
+ System.getProperties().getProperty("java.net.preferIPv4Stack"));
+ exclBindProp = System.getProperty("sun.net.useExclusiveBind");
+ } catch (NumberFormatException e ) {
+ assert false : e;
+ }
+ return null; // nothing to return
+ } });
+
+ // (version >= 6.0) implies Vista or greater.
+ if (version >= 6.0 && !preferIPv4Stack) {
+ useDualStackImpl = true;
+ }
+
+ if (exclBindProp != null) {
+ // sun.net.useExclusiveBind is true
+ exclusiveBind = exclBindProp.length() == 0 ? true
+ : Boolean.parseBoolean(exclBindProp);
+ } else if (version < 6.0) {
+ exclusiveBind = false;
+ }
+ }
+
+ /**
+ * Constructs an empty instance.
+ */
+ PlainSocketImpl() {
+ if (useDualStackImpl) {
+ impl = new DualStackPlainSocketImpl(exclusiveBind);
+ } else {
+ impl = new TwoStacksPlainSocketImpl(exclusiveBind);
+ }
+ }
+
+ /**
+ * Constructs an instance with the given file descriptor.
+ */
+ PlainSocketImpl(FileDescriptor fd) {
+ if (useDualStackImpl) {
+ impl = new DualStackPlainSocketImpl(fd, exclusiveBind);
+ } else {
+ impl = new TwoStacksPlainSocketImpl(fd, exclusiveBind);
+ }
+ }
+
+ // Override methods in SocketImpl that access impl's fields.
+
+ protected FileDescriptor getFileDescriptor() {
+ return impl.getFileDescriptor();
+ }
+
+ protected InetAddress getInetAddress() {
+ return impl.getInetAddress();
+ }
+
+ protected int getPort() {
+ return impl.getPort();
+ }
+
+ protected int getLocalPort() {
+ return impl.getLocalPort();
+ }
+
+ void setSocket(Socket soc) {
+ impl.setSocket(soc);
+ }
+
+ Socket getSocket() {
+ return impl.getSocket();
+ }
+
+ void setServerSocket(ServerSocket soc) {
+ impl.setServerSocket(soc);
+ }
+
+ ServerSocket getServerSocket() {
+ return impl.getServerSocket();
+ }
+
+ public String toString() {
+ return impl.toString();
+ }
+
+ // Override methods in AbstractPlainSocketImpl that access impl's fields.
+
+ protected synchronized void create(boolean stream) throws IOException {
+ impl.create(stream);
+
+ // set fd to delegate's fd to be compatible with older releases
+ this.fd = impl.fd;
+ }
+
+ protected void connect(String host, int port)
+ throws UnknownHostException, IOException
+ {
+ impl.connect(host, port);
+ }
+
+ protected void connect(InetAddress address, int port) throws IOException {
+ impl.connect(address, port);
+ }
+
+ protected void connect(SocketAddress address, int timeout) throws IOException {
+ impl.connect(address, timeout);
+ }
+
+ public void setOption(int opt, Object val) throws SocketException {
+ impl.setOption(opt, val);
+ }
+
+ public Object getOption(int opt) throws SocketException {
+ return impl.getOption(opt);
+ }
+
+ synchronized void doConnect(InetAddress address, int port, int timeout) throws IOException {
+ impl.doConnect(address, port, timeout);
+ }
+
+ protected synchronized void bind(InetAddress address, int lport)
+ throws IOException
+ {
+ impl.bind(address, lport);
+ }
+
+ protected synchronized void accept(SocketImpl s) throws IOException {
+ if (s instanceof PlainSocketImpl) {
+ // pass in the real impl not the wrapper.
+ SocketImpl delegate = ((PlainSocketImpl)s).impl;
+ delegate.address = new InetAddress();
+ delegate.fd = new FileDescriptor();
+ impl.accept(delegate);
+ // set fd to delegate's fd to be compatible with older releases
+ s.fd = delegate.fd;
+ } else {
+ impl.accept(s);
+ }
+ }
+
+ void setFileDescriptor(FileDescriptor fd) {
+ impl.setFileDescriptor(fd);
+ }
+
+ void setAddress(InetAddress address) {
+ impl.setAddress(address);
+ }
+
+ void setPort(int port) {
+ impl.setPort(port);
+ }
+
+ void setLocalPort(int localPort) {
+ impl.setLocalPort(localPort);
+ }
+
+ protected synchronized InputStream getInputStream() throws IOException {
+ return impl.getInputStream();
+ }
+
+ void setInputStream(SocketInputStream in) {
+ impl.setInputStream(in);
+ }
+
+ protected synchronized OutputStream getOutputStream() throws IOException {
+ return impl.getOutputStream();
+ }
+
+ protected void close() throws IOException {
+ try {
+ impl.close();
+ } finally {
+ // set fd to delegate's fd to be compatible with older releases
+ this.fd = null;
+ }
+ }
+
+ void reset() throws IOException {
+ try {
+ impl.reset();
+ } finally {
+ // set fd to delegate's fd to be compatible with older releases
+ this.fd = null;
+ }
+ }
+
+ protected void shutdownInput() throws IOException {
+ impl.shutdownInput();
+ }
+
+ protected void shutdownOutput() throws IOException {
+ impl.shutdownOutput();
+ }
+
+ protected void sendUrgentData(int data) throws IOException {
+ impl.sendUrgentData(data);
+ }
+
+ FileDescriptor acquireFD() {
+ return impl.acquireFD();
+ }
+
+ void releaseFD() {
+ impl.releaseFD();
+ }
+
+ public boolean isConnectionReset() {
+ return impl.isConnectionReset();
+ }
+
+ public boolean isConnectionResetPending() {
+ return impl.isConnectionResetPending();
+ }
+
+ public void setConnectionReset() {
+ impl.setConnectionReset();
+ }
+
+ public void setConnectionResetPending() {
+ impl.setConnectionResetPending();
+ }
+
+ public boolean isClosedOrPending() {
+ return impl.isClosedOrPending();
+ }
+
+ public int getTimeout() {
+ return impl.getTimeout();
+ }
+
+ // Override methods in AbstractPlainSocketImpl that need to be implemented.
+
+ void socketCreate(boolean isServer) throws IOException {
+ impl.socketCreate(isServer);
+ }
+
+ void socketConnect(InetAddress address, int port, int timeout)
+ throws IOException {
+ impl.socketConnect(address, port, timeout);
+ }
+
+ void socketBind(InetAddress address, int port)
+ throws IOException {
+ impl.socketBind(address, port);
+ }
+
+ void socketListen(int count) throws IOException {
+ impl.socketListen(count);
+ }
+
+ void socketAccept(SocketImpl s) throws IOException {
+ impl.socketAccept(s);
+ }
+
+ int socketAvailable() throws IOException {
+ return impl.socketAvailable();
+ }
+
+ void socketClose0(boolean useDeferredClose) throws IOException {
+ impl.socketClose0(useDeferredClose);
+ }
+
+ void socketShutdown(int howto) throws IOException {
+ impl.socketShutdown(howto);
+ }
+
+ void socketSetOption(int cmd, boolean on, Object value)
+ throws SocketException {
+ impl.socketSetOption(cmd, on, value);
+ }
+
+ int socketGetOption(int opt, Object iaContainerObj) throws SocketException {
+ return impl.socketGetOption(opt, iaContainerObj);
+ }
+
+ void socketSendUrgentData(int data) throws IOException {
+ impl.socketSendUrgentData(data);
+ }
+}