1 /*

     2  * Copyright 2001-2002 Sun Microsystems, Inc.  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.  Sun designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    22  * CA 95054 USA or visit www.sun.com if you need additional information or

    23  * have any 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 {

    39         Util.load();

    40     }

    41 

    42     int read(FileDescriptor fd, long address, int len) throws IOException {

    43         return read0(fd, address, len);

    44     }

    45 

    46     long readv(FileDescriptor fd, long address, int len) throws IOException {

    47         return readv0(fd, address, len);

    48     }

    49 

    50     int write(FileDescriptor fd, long address, int len) throws IOException {

    51         return write0(fd, address, len);

    52     }

    53 

    54     long writev(FileDescriptor fd, long address, int len) throws IOException {

    55         return writev0(fd, address, len);

    56     }

    57 

    58     void close(FileDescriptor fd) throws IOException {

    59         SocketDispatcher.close0(fd);

    60     }

    61 

    62     static native int read0(FileDescriptor fd, long address, int len)

    63         throws IOException;

    64 

    65     static native long readv0(FileDescriptor fd, long address, int len)

    66         throws IOException;

    67 

    68     static native int write0(FileDescriptor fd, long address, int len)

    69         throws IOException;

    70 

    71     static native long writev0(FileDescriptor fd, long address, int len)

    72         throws IOException;

    73 }