Home | History | Annotate | Download | only in net 
      1 /*
      2  * Copyright (c) 2007, 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 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 }
     85