1 /*
2 * Copyright 2007 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 package java.net;
26
27 import java.io.IOException;
28
29 /*
30 * On Unix systems we simply delegate to native methods.
31 *
32 * @author Chris Hegarty
33 */
34
35 class PlainDatagramSocketImpl extends AbstractPlainDatagramSocketImpl
36 {
37 static {
38 init();
39 }
40
41 protected synchronized native void bind0(int lport, InetAddress laddr)
42 throws SocketException;
43
44 protected native void send(DatagramPacket p) throws IOException;
45
46 protected synchronized native int peek(InetAddress i) throws IOException;
47
48 protected synchronized native int peekData(DatagramPacket p) throws IOException;
49
50 protected synchronized native void receive0(DatagramPacket p)
51 throws IOException;
52
53 protected native void setTimeToLive(int ttl) throws IOException;
54
55 protected native int getTimeToLive() throws IOException;
56
57 protected native void setTTL(byte ttl) throws IOException;
58
59 protected native byte getTTL() throws IOException;
60
61 protected native void join(InetAddress inetaddr, NetworkInterface netIf)
62 throws IOException;
63
64 protected native void leave(InetAddress inetaddr, NetworkInterface netIf)
65 throws IOException;
66
67 protected native void datagramSocketCreate() throws SocketException;
68
69 protected native void datagramSocketClose();
70
71 protected native void socketSetOption(int opt, Object val)
72 throws SocketException;
73
74 protected native Object socketGetOption(int opt) throws SocketException;
75
76 protected native void connect0(InetAddress address, int port) throws SocketException;
77
78 protected native void disconnect0(int family);
79
80 /**
81 * Perform class load-time initializations.
82 */
83 private native static void init();
84 }
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