1 /* 2 * Copyright (c) 2001, 2013, 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 sun.nio.ch; 27 28 import java.io.*; 29 import java.net.*; 30 31 /** 32 * Allows different platforms to call different native methods 33 * for read and write operations. 34 */ 35 36 class DatagramDispatcher extends NativeDispatcher 37 { 38 static { IOUtil.load()39 IOUtil.load(); 40 } 41 read(FileDescriptor fd, long address, int len)42 int read(FileDescriptor fd, long address, int len) throws IOException { 43 return read0(fd, address, len); 44 } 45 readv(FileDescriptor fd, long address, int len)46 long readv(FileDescriptor fd, long address, int len) throws IOException { 47 return readv0(fd, address, len); 48 } 49 write(FileDescriptor fd, long address, int len)50 int write(FileDescriptor fd, long address, int len) throws IOException { 51 return write0(fd, address, len); 52 } 53 writev(FileDescriptor fd, long address, int len)54 long writev(FileDescriptor fd, long address, int len) throws IOException { 55 return writev0(fd, address, len); 56 } 57 close(FileDescriptor fd)58 void close(FileDescriptor fd) throws IOException { 59 SocketDispatcher.close0(fd); 60 } 61 read0(FileDescriptor fd, long address, int len)62 static native int read0(FileDescriptor fd, long address, int len) 63 throws IOException; 64 readv0(FileDescriptor fd, long address, int len)65 static native long readv0(FileDescriptor fd, long address, int len) 66 throws IOException; 67 write0(FileDescriptor fd, long address, int len)68 static native int write0(FileDescriptor fd, long address, int len) 69 throws IOException; 70 writev0(FileDescriptor fd, long address, int len)71 static native long writev0(FileDescriptor fd, long address, int len) 72 throws IOException; 73 } 74