01: /*
02: * Copyright 2000-2005 Sun Microsystems, Inc. All Rights Reserved.
03: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
04: *
05: * This code is free software; you can redistribute it and/or modify it
06: * under the terms of the GNU General Public License version 2 only, as
07: * published by the Free Software Foundation. Sun designates this
08: * particular file as subject to the "Classpath" exception as provided
09: * 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:
30: /**
31: * Allows different platforms to call different native methods
32: * for read and write operations.
33: */
34:
35: class SocketDispatcher extends NativeDispatcher {
36:
37: static {
38: Util.load();
39: }
40:
41: int read(FileDescriptor fd, long address, int len)
42: throws IOException {
43: return read0(fd, address, len);
44: }
45:
46: long readv(FileDescriptor fd, long address, int len)
47: throws IOException {
48: return readv0(fd, address, len);
49: }
50:
51: int write(FileDescriptor fd, long address, int len)
52: throws IOException {
53: return write0(fd, address, len);
54: }
55:
56: long writev(FileDescriptor fd, long address, int len)
57: throws IOException {
58: return writev0(fd, address, len);
59: }
60:
61: void close(FileDescriptor fd) throws IOException {
62: }
63:
64: void preClose(FileDescriptor fd) throws IOException {
65: close0(fd);
66: }
67:
68: //-- Native methods
69: static native int read0(FileDescriptor fd, long address, int len)
70: throws IOException;
71:
72: static native long readv0(FileDescriptor fd, long address, int len)
73: throws IOException;
74:
75: static native int write0(FileDescriptor fd, long address, int len)
76: throws IOException;
77:
78: static native long writev0(FileDescriptor fd, long address, int len)
79: throws IOException;
80:
81: static native void close0(FileDescriptor fd) throws IOException;
82: }
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