| /* |
| * Copyright (c) 2001, 2013, 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.nio.ch; |
| |
| import dalvik.system.BlockGuard; |
| |
| import java.io.*; |
| import java.net.*; |
| |
| /** |
| * Allows different platforms to call different native methods |
| * for read and write operations. |
| */ |
| |
| class DatagramDispatcher extends NativeDispatcher |
| { |
| // Android-removed: Native code initialization not required. |
| // static { |
| // IOUtil.load(); |
| // } |
| |
| int read(FileDescriptor fd, long address, int len) throws IOException { |
| // Android-added: BlockGuard support. |
| BlockGuard.getThreadPolicy().onNetwork(); |
| return read0(fd, address, len); |
| } |
| |
| long readv(FileDescriptor fd, long address, int len) throws IOException { |
| // Android-added: BlockGuard support. |
| BlockGuard.getThreadPolicy().onNetwork(); |
| return readv0(fd, address, len); |
| } |
| |
| int write(FileDescriptor fd, long address, int len) throws IOException { |
| // Android-added: BlockGuard support. |
| BlockGuard.getThreadPolicy().onNetwork(); |
| return write0(fd, address, len); |
| } |
| |
| long writev(FileDescriptor fd, long address, int len) throws IOException { |
| // Android-added: BlockGuard support. |
| BlockGuard.getThreadPolicy().onNetwork(); |
| return writev0(fd, address, len); |
| } |
| |
| void close(FileDescriptor fd) throws IOException { |
| FileDispatcherImpl.close0(fd); |
| } |
| |
| void preClose(FileDescriptor fd) throws IOException { |
| FileDispatcherImpl.preClose0(fd); |
| } |
| |
| static native int read0(FileDescriptor fd, long address, int len) |
| throws IOException; |
| |
| static native long readv0(FileDescriptor fd, long address, int len) |
| throws IOException; |
| |
| static native int write0(FileDescriptor fd, long address, int len) |
| throws IOException; |
| |
| static native long writev0(FileDescriptor fd, long address, int len) |
| throws IOException; |
| } |