| /* |
| * Copyright (c) 2007, 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 java.net; |
| |
| import java.io.IOException; |
| import java.io.FileDescriptor; |
| import java.util.Set; |
| import java.util.HashSet; |
| import java.util.Collections; |
| import jdk.net.*; |
| |
| import static sun.net.ExtendedOptionsImpl.*; |
| |
| /* |
| * On Unix systems we simply delegate to native methods. |
| * |
| * @author Chris Hegarty |
| */ |
| |
| class PlainSocketImpl extends AbstractPlainSocketImpl |
| { |
| static { |
| initProto(); |
| } |
| |
| /** |
| * Constructs an empty instance. |
| */ |
| PlainSocketImpl() { } |
| |
| /** |
| * Constructs an instance with the given file descriptor. |
| */ |
| PlainSocketImpl(FileDescriptor fd) { |
| this.fd = fd; |
| } |
| |
| protected <T> void setOption(SocketOption<T> name, T value) throws IOException { |
| if (!name.equals(ExtendedSocketOptions.SO_FLOW_SLA)) { |
| if (!name.equals(StandardSocketOptions.SO_REUSEPORT)) { |
| super.setOption(name, value); |
| } else { |
| if (supportedOptions().contains(name)) { |
| super.setOption(name, value); |
| } else { |
| throw new UnsupportedOperationException("unsupported option"); |
| } |
| } |
| } else { |
| if (getSocket() == null || !flowSupported()) { |
| throw new UnsupportedOperationException("unsupported option"); |
| } |
| if (isClosedOrPending()) { |
| throw new SocketException("Socket closed"); |
| } |
| checkSetOptionPermission(name); |
| checkValueType(value, SocketFlow.class); |
| setFlowOption(getFileDescriptor(), (SocketFlow)value); |
| } |
| } |
| |
| @SuppressWarnings("unchecked") |
| protected <T> T getOption(SocketOption<T> name) throws IOException { |
| if (!name.equals(ExtendedSocketOptions.SO_FLOW_SLA)) { |
| if (!name.equals(StandardSocketOptions.SO_REUSEPORT)) { |
| return super.getOption(name); |
| } else { |
| if (supportedOptions().contains(name)) { |
| return super.getOption(name); |
| } else { |
| throw new UnsupportedOperationException("unsupported option"); |
| } |
| } |
| } |
| if (getSocket() == null || !flowSupported()) { |
| throw new UnsupportedOperationException("unsupported option"); |
| } |
| if (isClosedOrPending()) { |
| throw new SocketException("Socket closed"); |
| } |
| checkGetOptionPermission(name); |
| SocketFlow flow = SocketFlow.create(); |
| getFlowOption(getFileDescriptor(), flow); |
| return (T)flow; |
| } |
| |
| protected Set<SocketOption<?>> supportedOptions() { |
| HashSet<SocketOption<?>> options = new HashSet<>( |
| super.supportedOptions()); |
| |
| if (getSocket() != null && flowSupported()) { |
| options.add(ExtendedSocketOptions.SO_FLOW_SLA); |
| } |
| return options; |
| } |
| |
| protected void socketSetOption(int opt, boolean b, Object val) throws SocketException { |
| if (opt == SocketOptions.SO_REUSEPORT && !supportedOptions().contains(StandardSocketOptions.SO_REUSEPORT)) { |
| throw new UnsupportedOperationException("unsupported option"); |
| } |
| try { |
| socketSetOption0(opt, b, val); |
| } catch (SocketException se) { |
| if (socket == null || !socket.isConnected()) |
| throw se; |
| } |
| } |
| |
| native void socketCreate(boolean isServer) throws IOException; |
| |
| native void socketConnect(InetAddress address, int port, int timeout) |
| throws IOException; |
| |
| native void socketBind(InetAddress address, int port) |
| throws IOException; |
| |
| native void socketListen(int count) throws IOException; |
| |
| native void socketAccept(SocketImpl s) throws IOException; |
| |
| native int socketAvailable() throws IOException; |
| |
| native void socketClose0(boolean useDeferredClose) throws IOException; |
| |
| native void socketShutdown(int howto) throws IOException; |
| |
| static native void initProto(); |
| |
| native void socketSetOption0(int cmd, boolean on, Object value) |
| throws SocketException; |
| |
| native int socketGetOption(int opt, Object iaContainerObj) throws SocketException; |
| |
| native void socketSendUrgentData(int data) throws IOException; |
| } |