Showing the changes to java/pkg/com/oracle/net/Sdp.java (1 of 18352 files). Show all
Unified · Split
| @@ -0,0 +1,201 @@ | |||
| 1 | /* | ||
| 2 | * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. | ||
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| 4 | * | ||
| 5 | * This code is free software; you can redistribute it and/or modify it | ||
| 6 | * under the terms of the GNU General Public License version 2 only, as | ||
| 7 | * published by the Free Software Foundation. Oracle designates this | ||
| 8 | * particular file as subject to the "Classpath" exception as provided | ||
| 9 | * by Oracle in the LICENSE file that accompanied this code. | ||
| 10 | * | ||
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| 14 | * version 2 for more details (a copy is included in the LICENSE file that | ||
| 15 | * accompanied this code). | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License version | ||
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, | ||
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| 20 | * | ||
| 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 22 | * or visit www.oracle.com if you need additional information or have any | ||
| 23 | * questions. | ||
| 24 | */ | ||
| 25 | |||
| 26 | package com.oracle.net; | ||
| 27 | |||
| 28 | import java.net.Socket; | ||
| 29 | import java.net.ServerSocket; | ||
| 30 | import java.net.SocketImpl; | ||
| 31 | import java.net.SocketImplFactory; | ||
| 32 | import java.net.SocketException; | ||
| 33 | import java.nio.channels.SocketChannel; | ||
| 34 | import java.nio.channels.ServerSocketChannel; | ||
| 35 | import java.io.IOException; | ||
| 36 | import java.io.FileDescriptor; | ||
| 37 | import java.security.AccessController; | ||
| 38 | import java.security.PrivilegedAction; | ||
| 39 | import java.lang.reflect.Constructor; | ||
| 40 | import java.lang.reflect.AccessibleObject; | ||
| 41 | import java.lang.reflect.InvocationTargetException; | ||
| 42 | |||
| 43 | import sun.net.sdp.SdpSupport; | ||
| 44 | |||
| 45 | /** | ||
| 46 | * This class consists exclusively of static methods that Sockets or Channels to | ||
| 47 | * sockets that support the InfiniBand Sockets Direct Protocol (SDP). | ||
| 48 | */ | ||
| 49 | |||
| 50 | public final class Sdp { | ||
| 51 | private Sdp() { } | ||
| 52 | |||
| 53 | /** | ||
| 54 | * The package-privage ServerSocket(SocketImpl) constructor | ||
| 55 | */ | ||
| 56 | private static final Constructor<ServerSocket> serverSocketCtor; | ||
| 57 | static { | ||
| 58 | try { | ||
| 59 | serverSocketCtor = (Constructor<ServerSocket>) | ||
| 60 | ServerSocket.class.getDeclaredConstructor(SocketImpl.class); | ||
| 61 | setAccessible(serverSocketCtor); | ||
| 62 | } catch (NoSuchMethodException e) { | ||
| 63 | throw new AssertionError(e); | ||
| 64 | } | ||
| 65 | } | ||
| 66 | |||
| 67 | /** | ||
| 68 | * The package-private SdpSocketImpl() constructor | ||
| 69 | */ | ||
| 70 | private static final Constructor<SocketImpl> socketImplCtor; | ||
| 71 | static { | ||
| 72 | try { | ||
| 73 | Class<?> cl = Class.forName("java.net.SdpSocketImpl", true, null); | ||
| 74 | socketImplCtor = (Constructor<SocketImpl>)cl.getDeclaredConstructor(); | ||
| 75 | setAccessible(socketImplCtor); | ||
| 76 | } catch (ClassNotFoundException e) { | ||
| 77 | throw new AssertionError(e); | ||
| 78 | } catch (NoSuchMethodException e) { | ||
| 79 | throw new AssertionError(e); | ||
| 80 | } | ||
| 81 | } | ||
| 82 | |||
| 83 | private static void setAccessible(final AccessibleObject o) { | ||
| 84 | AccessController.doPrivileged(new PrivilegedAction<Void>() { | ||
| 85 | public Void run() { | ||
| 86 | o.setAccessible(true); | ||
| 87 | return null; | ||
| 88 | } | ||
| 89 | }); | ||
| 90 | } | ||
| 91 | |||
| 92 | /** | ||
| 93 | * SDP enabled Socket. | ||
| 94 | */ | ||
| 95 | private static class SdpSocket extends Socket { | ||
| 96 | SdpSocket(SocketImpl impl) throws SocketException { | ||
| 97 | super(impl); | ||
| 98 | } | ||
| 99 | } | ||
| 100 | |||
| 101 | /** | ||
| 102 | * Creates a SDP enabled SocketImpl | ||
| 103 | */ | ||
| 104 | private static SocketImpl createSocketImpl() { | ||
| 105 | try { | ||
| 106 | return socketImplCtor.newInstance(); | ||
| 107 | } catch (InstantiationException x) { | ||
| 108 | throw new AssertionError(x); | ||
| 109 | } catch (IllegalAccessException x) { | ||
| 110 | throw new AssertionError(x); | ||
| 111 | } catch (InvocationTargetException x) { | ||
| 112 | throw new AssertionError(x); | ||
| 113 | } | ||
| 114 | } | ||
| 115 | |||
| 116 | /** | ||
| 117 | * Creates an unconnected and unbound SDP socket. The {@code Socket} is | ||
| 118 | * associated with a {@link java.net.SocketImpl} of the system-default type. | ||
| 119 | * | ||
| 120 | * @return a new Socket | ||
| 121 | * | ||
| 122 | * @throws UnsupportedOperationException | ||
| 123 | * If SDP is not supported | ||
| 124 | * @throws IOException | ||
| 125 | * If an I/O error occurs | ||
| 126 | */ | ||
| 127 | public static Socket openSocket() throws IOException { | ||
| 128 | SocketImpl impl = createSocketImpl(); | ||
| 129 | return new SdpSocket(impl); | ||
| 130 | } | ||
| 131 | |||
| 132 | /** | ||
| 133 | * Creates an unbound SDP server socket. The {@code ServerSocket} is | ||
| 134 | * associated with a {@link java.net.SocketImpl} of the system-default type. | ||
| 135 | * | ||
| 136 | * @return a new ServerSocket | ||
| 137 | * | ||
| 138 | * @throws UnsupportedOperationException | ||
| 139 | * If SDP is not supported | ||
| 140 | * @throws IOException | ||
| 141 | * If an I/O error occurs | ||
| 142 | */ | ||
| 143 | public static ServerSocket openServerSocket() throws IOException { | ||
| 144 | // create ServerSocket via package-private constructor | ||
| 145 | SocketImpl impl = createSocketImpl(); | ||
| 146 | try { | ||
| 147 | return serverSocketCtor.newInstance(impl); | ||
| 148 | } catch (IllegalAccessException x) { | ||
| 149 | throw new AssertionError(x); | ||
| 150 | } catch (InstantiationException x) { | ||
| 151 | throw new AssertionError(x); | ||
| 152 | } catch (InvocationTargetException x) { | ||
| 153 | Throwable cause = x.getCause(); | ||
| 154 | if (cause instanceof IOException) | ||
| 155 | throw (IOException)cause; | ||
| 156 | if (cause instanceof RuntimeException) | ||
| 157 | throw (RuntimeException)cause; | ||
| 158 | throw new RuntimeException(x); | ||
| 159 | } | ||
| 160 | } | ||
| 161 | |||
| 162 | /** | ||
| 163 | * Opens a socket channel to a SDP socket. | ||
| 164 | * | ||
| 165 | * <p> The channel will be associated with the system-wide default | ||
| 166 | * {@link java.nio.channels.spi.SelectorProvider SelectorProvider}. | ||
| 167 | * | ||
| 168 | * @return a new SocketChannel | ||
| 169 | * | ||
| 170 | * @throws UnsupportedOperationException | ||
| 171 | * If SDP is not supported or not supported by the default selector | ||
| 172 | * provider | ||
| 173 | * @throws IOException | ||
| 174 | * If an I/O error occurs. | ||
| 175 | */ | ||
| 176 | public static SocketChannel openSocketChannel() throws IOException { | ||
| 177 | FileDescriptor fd = SdpSupport.createSocket(); | ||
| 178 | return sun.nio.ch.Secrets.newSocketChannel(fd); | ||
| 179 | } | ||
| 180 | |||
| 181 | /** | ||
| 182 | * Opens a socket channel to a SDP socket. | ||
| 183 | * | ||
| 184 | * <p> The channel will be associated with the system-wide default | ||
| 185 | * {@link java.nio.channels.spi.SelectorProvider SelectorProvider}. | ||
| 186 | * | ||
| 187 | * @return a new ServerSocketChannel | ||
| 188 | * | ||
| 189 | * @throws UnsupportedOperationException | ||
| 190 | * If SDP is not supported or not supported by the default selector | ||
| 191 | * provider | ||
| 192 | * @throws IOException | ||
| 193 | * If an I/O error occurs | ||
| 194 | */ | ||
| 195 | public static ServerSocketChannel openServerSocketChannel() | ||
| 196 | throws IOException | ||
| 197 | { | ||
| 198 | FileDescriptor fd = SdpSupport.createSocket(); | ||
| 199 | return sun.nio.ch.Secrets.newServerSocketChannel(fd); | ||
| 200 | } | ||
| 201 | } | ||