| /* |
| * Copyright (c) 2014, 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 sun.net; |
| |
| import java.net.*; |
| import jdk.net.*; |
| import java.io.IOException; |
| import java.io.FileDescriptor; |
| import java.security.PrivilegedAction; |
| import java.security.AccessController; |
| import java.lang.reflect.Field; |
| import java.util.Set; |
| import java.util.HashSet; |
| import java.util.HashMap; |
| import java.util.Collections; |
| |
| /** |
| * Contains the native implementation for extended socket options |
| * together with some other static utilities |
| */ |
| public class ExtendedOptionsImpl { |
| |
| // Android-removed: System.loadLibrary("net") is not available on Android. |
| /* |
| static { |
| AccessController.doPrivileged((PrivilegedAction<Void>)() -> { |
| System.loadLibrary("net"); |
| return null; |
| }); |
| init(); |
| } |
| */ |
| |
| private ExtendedOptionsImpl() {} |
| |
| public static void checkSetOptionPermission(SocketOption<?> option) { |
| SecurityManager sm = System.getSecurityManager(); |
| if (sm == null) { |
| return; |
| } |
| String check = "setOption." + option.name(); |
| sm.checkPermission(new NetworkPermission(check)); |
| } |
| |
| public static void checkGetOptionPermission(SocketOption<?> option) { |
| SecurityManager sm = System.getSecurityManager(); |
| if (sm == null) { |
| return; |
| } |
| String check = "getOption." + option.name(); |
| sm.checkPermission(new NetworkPermission(check)); |
| } |
| |
| public static void checkValueType(Object value, Class<?> type) { |
| if (!type.isAssignableFrom(value.getClass())) { |
| String s = "Found: " + value.getClass().toString() + " Expected: " |
| + type.toString(); |
| throw new IllegalArgumentException(s); |
| } |
| } |
| |
| // Android-removed: Native initialization logic that doesn't exist on Android. |
| // private static native void init(); |
| |
| /* |
| * Extension native implementations |
| * |
| * SO_FLOW_SLA |
| */ |
| // Android-changed: Linux does not support flow operations. |
| public static void setFlowOption(FileDescriptor fd, SocketFlow f) { |
| throw new UnsupportedOperationException("unsupported socket option"); |
| } |
| |
| public static void getFlowOption(FileDescriptor fd, SocketFlow f) { |
| throw new UnsupportedOperationException("unsupported socket option"); |
| } |
| |
| public static boolean flowSupported() { |
| return false; |
| } |
| } |