| /* |
| * Copyright (c) 2010, 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 com.oracle.net; |
| |
| import java.net.Socket; |
| import java.net.ServerSocket; |
| import java.net.SocketImpl; |
| import java.net.SocketImplFactory; |
| import java.net.SocketException; |
| import java.nio.channels.SocketChannel; |
| import java.nio.channels.ServerSocketChannel; |
| import java.io.IOException; |
| import java.io.FileDescriptor; |
| import java.security.AccessController; |
| import java.security.PrivilegedAction; |
| import java.lang.reflect.Constructor; |
| import java.lang.reflect.AccessibleObject; |
| import java.lang.reflect.InvocationTargetException; |
| |
| import sun.net.sdp.SdpSupport; |
| |
| /** |
| * This class consists exclusively of static methods that Sockets or Channels to |
| * sockets that support the InfiniBand Sockets Direct Protocol (SDP). |
| */ |
| |
| public final class Sdp { |
| private Sdp() { } |
| |
| /** |
| * The package-privage ServerSocket(SocketImpl) constructor |
| */ |
| private static final Constructor<ServerSocket> serverSocketCtor; |
| static { |
| try { |
| serverSocketCtor = (Constructor<ServerSocket>) |
| ServerSocket.class.getDeclaredConstructor(SocketImpl.class); |
| setAccessible(serverSocketCtor); |
| } catch (NoSuchMethodException e) { |
| throw new AssertionError(e); |
| } |
| } |
| |
| /** |
| * The package-private SdpSocketImpl() constructor |
| */ |
| private static final Constructor<SocketImpl> socketImplCtor; |
| static { |
| try { |
| Class<?> cl = Class.forName("java.net.SdpSocketImpl", true, null); |
| socketImplCtor = (Constructor<SocketImpl>)cl.getDeclaredConstructor(); |
| setAccessible(socketImplCtor); |
| } catch (ClassNotFoundException e) { |
| throw new AssertionError(e); |
| } catch (NoSuchMethodException e) { |
| throw new AssertionError(e); |
| } |
| } |
| |
| private static void setAccessible(final AccessibleObject o) { |
| AccessController.doPrivileged(new PrivilegedAction<Void>() { |
| public Void run() { |
| o.setAccessible(true); |
| return null; |
| } |
| }); |
| } |
| |
| /** |
| * SDP enabled Socket. |
| */ |
| private static class SdpSocket extends Socket { |
| SdpSocket(SocketImpl impl) throws SocketException { |
| super(impl); |
| } |
| } |
| |
| /** |
| * Creates a SDP enabled SocketImpl |
| */ |
| private static SocketImpl createSocketImpl() { |
| try { |
| return socketImplCtor.newInstance(); |
| } catch (InstantiationException x) { |
| throw new AssertionError(x); |
| } catch (IllegalAccessException x) { |
| throw new AssertionError(x); |
| } catch (InvocationTargetException x) { |
| throw new AssertionError(x); |
| } |
| } |
| |
| /** |
| * Creates an unconnected and unbound SDP socket. The {@code Socket} is |
| * associated with a {@link java.net.SocketImpl} of the system-default type. |
| * |
| * @return a new Socket |
| * |
| * @throws UnsupportedOperationException |
| * If SDP is not supported |
| * @throws IOException |
| * If an I/O error occurs |
| */ |
| public static Socket openSocket() throws IOException { |
| SocketImpl impl = createSocketImpl(); |
| return new SdpSocket(impl); |
| } |
| |
| /** |
| * Creates an unbound SDP server socket. The {@code ServerSocket} is |
| * associated with a {@link java.net.SocketImpl} of the system-default type. |
| * |
| * @return a new ServerSocket |
| * |
| * @throws UnsupportedOperationException |
| * If SDP is not supported |
| * @throws IOException |
| * If an I/O error occurs |
| */ |
| public static ServerSocket openServerSocket() throws IOException { |
| // create ServerSocket via package-private constructor |
| SocketImpl impl = createSocketImpl(); |
| try { |
| return serverSocketCtor.newInstance(impl); |
| } catch (IllegalAccessException x) { |
| throw new AssertionError(x); |
| } catch (InstantiationException x) { |
| throw new AssertionError(x); |
| } catch (InvocationTargetException x) { |
| Throwable cause = x.getCause(); |
| if (cause instanceof IOException) |
| throw (IOException)cause; |
| if (cause instanceof RuntimeException) |
| throw (RuntimeException)cause; |
| throw new RuntimeException(x); |
| } |
| } |
| |
| /** |
| * Opens a socket channel to a SDP socket. |
| * |
| * <p> The channel will be associated with the system-wide default |
| * {@link java.nio.channels.spi.SelectorProvider SelectorProvider}. |
| * |
| * @return a new SocketChannel |
| * |
| * @throws UnsupportedOperationException |
| * If SDP is not supported or not supported by the default selector |
| * provider |
| * @throws IOException |
| * If an I/O error occurs. |
| */ |
| public static SocketChannel openSocketChannel() throws IOException { |
| FileDescriptor fd = SdpSupport.createSocket(); |
| return sun.nio.ch.Secrets.newSocketChannel(fd); |
| } |
| |
| /** |
| * Opens a socket channel to a SDP socket. |
| * |
| * <p> The channel will be associated with the system-wide default |
| * {@link java.nio.channels.spi.SelectorProvider SelectorProvider}. |
| * |
| * @return a new ServerSocketChannel |
| * |
| * @throws UnsupportedOperationException |
| * If SDP is not supported or not supported by the default selector |
| * provider |
| * @throws IOException |
| * If an I/O error occurs |
| */ |
| public static ServerSocketChannel openServerSocketChannel() |
| throws IOException |
| { |
| FileDescriptor fd = SdpSupport.createSocket(); |
| return sun.nio.ch.Secrets.newServerSocketChannel(fd); |
| } |
| } |