1 /* 2 * Copyright (c) 2007, 2008, 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 package java.net; 26 27 import java.io.IOException; 28 import java.io.FileDescriptor; 29 import java.util.Set; 30 import java.util.HashSet; 31 import java.util.Collections; 32 import jdk.net.*; 33 34 import static sun.net.ExtendedOptionsImpl.*; 35 36 /* 37 * On Unix systems we simply delegate to native methods. 38 * 39 * @author Chris Hegarty 40 */ 41 42 class PlainSocketImpl extends AbstractPlainSocketImpl 43 { 44 static { 45 initProto(); 46 } 47 48 /** 49 * Constructs an empty instance. 50 */ 51 PlainSocketImpl() { } 52 53 /** 54 * Constructs an instance with the given file descriptor. 55 */ 56 PlainSocketImpl(FileDescriptor fd) { 57 this.fd = fd; 58 } 59 60 protected <T> void setOption(SocketOption<T> name, T value) throws IOException { 61 if (!name.equals(ExtendedSocketOptions.SO_FLOW_SLA)) { 62 super.setOption(name, value); 63 } else { 64 if (isClosedOrPending()) { 65 throw new SocketException("Socket closed"); 66 } 67 checkSetOptionPermission(name); 68 checkValueType(value, SocketFlow.class); 69 setFlowOption(getFileDescriptor(), (SocketFlow)value); 70 } 71 } 72 73 protected <T> T getOption(SocketOption<T> name) throws IOException { 74 if (!name.equals(ExtendedSocketOptions.SO_FLOW_SLA)) { 75 return super.getOption(name); 76 } 77 if (isClosedOrPending()) { 78 throw new SocketException("Socket closed"); 79 } 80 checkGetOptionPermission(name); 81 SocketFlow flow = SocketFlow.create(); 82 getFlowOption(getFileDescriptor(), flow); 83 return (T)flow; 84 } 85 86 native void socketCreate(boolean isServer) throws IOException; 87 88 native void socketConnect(InetAddress address, int port, int timeout) 89 throws IOException; 90 91 native void socketBind(InetAddress address, int port) 92 throws IOException; 93 94 native void socketListen(int count) throws IOException; 95 96 native void socketAccept(SocketImpl s) throws IOException; 97 98 native int socketAvailable() throws IOException; 99 100 native void socketClose0(boolean useDeferredClose) throws IOException; 101 102 native void socketShutdown(int howto) throws IOException; 103 104 static native void initProto(); 105 106 native void socketSetOption(int cmd, boolean on, Object value) 107 throws SocketException; 108 109 native int socketGetOption(int opt, Object iaContainerObj) throws SocketException; 110 111 native void socketSendUrgentData(int data) throws IOException; 112 }