1 files changed, 265 insertions, 0 deletions
diff --git a/gcc-4.4.3/libjava/classpath/gnu/java/nio/SocketChannelImpl.java b/gcc-4.4.3/libjava/classpath/gnu/java/nio/SocketChannelImpl.java
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index 000000000..9564592e0
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+++ b/gcc-4.4.3/libjava/classpath/gnu/java/nio/SocketChannelImpl.java
@@ -0,0 +1,265 @@
+/* SocketChannelImpl.java -- 
+   Copyright (C) 2002, 2003, 2004 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.nio;
+
+import java.io.IOException;
+import java.net.InetSocketAddress;
+import java.net.Socket;
+import java.net.SocketAddress;
+import java.nio.ByteBuffer;
+import java.nio.channels.AlreadyConnectedException;
+import java.nio.channels.ClosedChannelException;
+import java.nio.channels.ConnectionPendingException;
+import java.nio.channels.NoConnectionPendingException;
+import java.nio.channels.NotYetConnectedException;
+import java.nio.channels.SocketChannel;
+import java.nio.channels.UnresolvedAddressException;
+import java.nio.channels.UnsupportedAddressTypeException;
+import java.nio.channels.spi.SelectorProvider;
+
+public final class SocketChannelImpl extends SocketChannel
+  implements VMChannelOwner
+{
+  private VMChannel channel;
+  //private PlainSocketImpl impl;
+  private NIOSocket socket;
+  private boolean connectionPending;
+  private boolean connected;
+  private InetSocketAddress connectAddress;
+  
+  public SocketChannelImpl(boolean create) throws IOException
+  {
+    // XXX consider adding security check; this is used by
+    // PlainSocketImpl.
+    this(new SelectorProviderImpl(), create);
+  }
+
+  public SocketChannelImpl(VMChannel channel) throws IOException
+  {
+    this(new SelectorProviderImpl(), channel, false);
+  }
+  
+  SocketChannelImpl(SelectorProvider provider) throws IOException
+  {
+    this(provider, true);
+  }
+
+  SocketChannelImpl(SelectorProvider provider, boolean create)
+    throws IOException
+  {
+    this(provider, new VMChannel(), create);
+  }
+  
+  SocketChannelImpl(SelectorProvider provider, VMChannel channel, boolean create)
+    throws IOException
+  {
+    super (provider);
+    this.channel = channel;
+    if (create)
+      channel.initSocket(true);
+    socket = new NIOSocket(this);
+    configureBlocking(true);
+  }
+  
+  /*SocketChannelImpl (SelectorProvider provider,
+                     NIOSocket socket)
+    throws IOException
+  {
+    super (provider);
+    this.impl = socket.getPlainSocketImpl();
+    this.socket = socket;
+  }*/
+
+  public void finalizer()
+  {
+    if (isConnected())
+      {
+        try
+          {
+            close ();
+          }
+        catch (Exception e)
+          {
+          }
+      }
+  }
+
+  //PlainSocketImpl getPlainSocketImpl()
+  //{
+  //  return null; // XXX
+  //}
+
+  protected void implCloseSelectableChannel() throws IOException
+  {
+    channel.close();
+  }
+
+  protected void implConfigureBlocking (boolean blocking) throws IOException
+  {
+    channel.setBlocking(blocking);
+  }   
+
+  public boolean connect (SocketAddress remote) throws IOException
+  {
+    return connect(remote, 0);
+  }
+  
+  public boolean connect (SocketAddress remote, int timeout) throws IOException
+  {
+    if (!isOpen())
+      throw new ClosedChannelException();
+    
+    if (isConnected())
+      throw new AlreadyConnectedException();
+
+    if (connectionPending)
+      throw new ConnectionPendingException();
+
+    if (!(remote instanceof InetSocketAddress))
+      throw new UnsupportedAddressTypeException();
+    
+    connectAddress = (InetSocketAddress) remote;
+
+    if (connectAddress.isUnresolved())
+      throw new UnresolvedAddressException();
+    
+    connected = channel.connect(connectAddress, timeout);
+    connectionPending = !connected;
+    return connected;
+  }
+
+  public boolean finishConnect()
+    throws IOException
+  {
+    if (!isOpen())
+      throw new ClosedChannelException();
+
+    InetSocketAddress remote = channel.getPeerAddress();
+    if (remote != null)
+      {
+        connectionPending = false;
+        return true;
+      }
+    
+    if (!connectionPending)
+      throw new NoConnectionPendingException();
+    
+    return false;
+  }
+
+  public boolean isConnected()
+  {
+    // Wait until finishConnect is called before transitioning to
+    // connected.
+    if (connectionPending)
+      return false;
+    try
+      {
+        InetSocketAddress remote = channel.getPeerAddress();
+        return remote != null;
+      }
+    catch (IOException ioe)
+      {
+        ioe.printStackTrace(System.out);
+        return false;
+      }
+  }
+    
+  public boolean isConnectionPending ()
+  {
+    return connectionPending;
+  }
+    
+  public Socket socket ()
+  {
+    return socket;
+  }
+
+  public int read(ByteBuffer dst) throws IOException
+  {
+    if (!isConnected())
+      throw new NotYetConnectedException();
+    
+    return channel.read(dst);
+  }
+    
+  public long read (ByteBuffer[] dsts, int offset, int length)
+    throws IOException
+  {
+    if (!isConnected())
+      throw new NotYetConnectedException();
+    
+    if ((offset < 0)
+        || (offset > dsts.length)
+        || (length < 0)
+        || (length > (dsts.length - offset)))
+      throw new IndexOutOfBoundsException();
+    
+    return channel.readScattering(dsts, offset, length);
+  }
+     
+  public int write(ByteBuffer src) throws IOException
+  {
+    if (!isConnected())
+      throw new NotYetConnectedException();
+
+    return channel.write(src);
+  }
+
+  public long write(ByteBuffer[] srcs, int offset, int length)
+    throws IOException
+  {
+    if (!isConnected())
+      throw new NotYetConnectedException();
+    
+    if ((offset < 0)
+        || (offset > srcs.length)
+        || (length < 0)
+        || (length > (srcs.length - offset)))
+      throw new IndexOutOfBoundsException();
+
+    return channel.writeGathering(srcs, offset, length);
+  }
+  
+  public VMChannel getVMChannel()
+  {
+    // XXX security check?
+    return channel;
+  }
+}