[Jnode-svn-commits] SF.net SVN: jnode: [2923] trunk/core/src/classpath/vm/gnu/java

[<hag...@us...>]

Revision: 2923
          http://jnode.svn.sourceforge.net/jnode/?rev=2923&view=rev
Author:   hagar-wize
Date:     2006-12-14 04:56:28 -0800 (Thu, 14 Dec 2006)

Log Message:
-----------
Classpath patches

Added Paths:
-----------
    trunk/core/src/classpath/vm/gnu/java/net/
    trunk/core/src/classpath/vm/gnu/java/net/VMPlainDatagramSocketImpl.java

Copied: trunk/core/src/classpath/vm/gnu/java/net/VMPlainDatagramSocketImpl.java (from rev 2916, trunk/core/src/classpath/vm/java/net/VMPlainDatagramSocketImpl.java)
===================================================================
--- trunk/core/src/classpath/vm/gnu/java/net/VMPlainDatagramSocketImpl.java	                        (rev 0)
+++ trunk/core/src/classpath/vm/gnu/java/net/VMPlainDatagramSocketImpl.java	2006-12-14 12:56:28 UTC (rev 2923)
@@ -0,0 +1,260 @@
+/* PlainDatagramSocketImpl.java -- VM interface for DatagramSocket impl
+   Copyright (C) 2005 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+ 
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package gnu.java.net;
+
+import gnu.classpath.Configuration;
+
+import java.io.IOException;
+import java.net.DatagramPacket;
+import java.net.InetAddress;
+import java.net.NetworkInterface;
+import java.net.SocketAddress;
+import java.net.SocketException;
+
+/**
+ * The VM interface for {@link gnu.java.net.PlainDatagramSocketImpl}.
+ *
+ * @author Ingo Proetel (pr...@ai...)
+ * @author Roman Kennke (ke...@ai...)
+ */
+public final class VMPlainDatagramSocketImpl
+{
+  /**
+   * Option id for the IP_TTL (time to live) value.
+   */
+  static final int IP_TTL = 0x1E61; // 7777
+
+
+  // Static initializer to load native library
+  static
+  {
+    if (Configuration.INIT_LOAD_LIBRARY)
+      {
+        System.loadLibrary("javanet");
+      }
+  }
+  
+  /**
+   * Binds this socket to a particular port and interface
+   *
+   * @param socket the socket object
+   * @param port the port to bind to
+   * @param addr the address to bind to
+   *
+   * @throws SocketException If an error occurs
+   */  
+  static native void bind(PlainDatagramSocketImpl socket, int port,
+                          InetAddress addr) 
+    throws SocketException;
+
+  /**
+   * Creates a new datagram socket.
+   *
+   * @param socket the socket object
+   *
+   * @throws SocketException If an error occurs
+   */
+  static native void create(PlainDatagramSocketImpl socket)
+    throws SocketException;
+
+  /**
+   * Connects to the remote address and port specified as arguments.
+   *
+   * @param socket the socket object
+   * @param addr the remote address to connect to
+   * @param port the remote port to connect to
+   *
+   * @throws SocketException If an error occurs
+   */
+  static native void connect(PlainDatagramSocketImpl socket, InetAddress addr,
+                             int port)
+    throws SocketException;
+
+  /**
+   * Sends a packet of data to a remote host.
+   *
+   * @param socket the socket object
+   * @param packet the packet to send
+   *
+   * @throws IOException If an error occurs
+   */
+  static void send(PlainDatagramSocketImpl socket, DatagramPacket packet)
+    throws IOException
+  {
+    nativeSendTo(socket, packet.getAddress(), packet.getPort(),
+                 packet.getData(), packet.getOffset(), packet.getLength());
+  }
+
+
+  /**
+   * Sends a packet of data to a remote host.
+   *
+   * @param socket the socket object
+   * @param addr the address to send to
+   * @param port the port to send to 
+   * @param buf the buffer to send
+   * @param offset the offset of the data in the buffer to send
+   * @param len the length of the data to send
+   *
+   * @throws IOException If an error occurs
+   */
+  private static native void nativeSendTo(PlainDatagramSocketImpl socket,
+                                          InetAddress addr, int port,
+                                          byte[] buf, int offset, int len)
+    throws IOException;
+
+  /**
+   * Receives a UDP packet from the network
+   *
+   * @param socket the socket object
+   * @param packet the packet to fill in with the data received
+   *
+   * @throws IOException IOException If an error occurs
+   */
+  static void receive(PlainDatagramSocketImpl socket, DatagramPacket packet)
+    throws IOException
+  {
+    byte[] receiveFromAddress = new byte[4];
+    int[] receiveFromPort = new int[1];
+    int[] receivedLength = new int[1];
+
+    nativeReceive(socket, packet.getData(), packet.getOffset(),
+                  packet.getLength(),
+                  receiveFromAddress, receiveFromPort, receivedLength);
+
+    packet.setAddress(InetAddress.getByAddress(receiveFromAddress));
+    packet.setPort(receiveFromPort[0]);
+    packet.setLength(receivedLength[0]);
+  }
+
+  private static native void nativeReceive(PlainDatagramSocketImpl socket,
+                                           byte[] buf, int offset, int len,
+                                           byte[] receiveFromAddress,
+                                           int[] receiveFromPort,
+                                           int[] receivedLength)
+    throws IOException;
+
+  /**
+   * Sets the value of an option on the socket
+   *
+   * @param socket the socket object
+   * @param optionId the identifier of the option to set
+   * @param value the value of the option to set
+   *
+   * @exception SocketException If an error occurs
+   */
+  static native void setOption(PlainDatagramSocketImpl socket, int optionId,
+                               Object value)
+    throws SocketException;
+
+  /**
+   * Retrieves the value of an option on the socket.
+   *
+   * @param socket the socket object
+   * @param optionId the identifier of the option to retrieve
+   *
+   * @return the value of the option
+   *
+   * @throws SocketException if an error occurs
+   */
+  static native Object getOption(PlainDatagramSocketImpl socket, int optionId)
+    throws SocketException;
+
+  /**
+   * Closes the socket.
+   *
+   * @param socket the socket object
+   */
+  static native void close(PlainDatagramSocketImpl socket);
+
+  /**
+   * Joins a multicast group
+   *
+   * @param addr The group to join
+   *
+   * @exception IOException If an error occurs
+   */
+  static native void join(PlainDatagramSocketImpl socket, InetAddress addr)
+    throws IOException;
+
+  /**
+   * Leaves a multicast group
+   *
+   * @param addr The group to leave
+   *
+   * @exception IOException If an error occurs
+   */
+  static native void leave(PlainDatagramSocketImpl socket, InetAddress addr)
+    throws IOException;
+
+  /**
+   * Joins a multicast group.
+   *
+   * @param socket the socket object
+   * @param address the socket address
+   * @param netIf the network interface
+   *
+   * @throws IOException if I/O errors occur
+   */
+  static void joinGroup(PlainDatagramSocketImpl socket, SocketAddress address,
+                        NetworkInterface netIf)
+    throws IOException
+  {
+    throw new InternalError
+      ("PlainDatagramSocketImpl::joinGroup is not implemented");
+  }
+
+  /**
+   * Leaves a multicast group.
+   *
+   * @param socket the socket object
+   * @param address the socket address
+   * @param netIf the network interface
+   *
+   * @throws IOException if I/O errors occur
+   */
+  static void leaveGroup(PlainDatagramSocketImpl socket, SocketAddress address,
+                         NetworkInterface netIf)
+    throws IOException
+  {
+    throw new InternalError
+      ("PlainDatagramSocketImpl::leaveGroup is not implemented");
+  }
+
+}


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