130 lines
3.8 KiB
Java
130 lines
3.8 KiB
Java
/* ServerSocketChannelImpl.java --
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Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package gnu.java.nio;
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import java.io.IOException;
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import java.net.ServerSocket;
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import java.net.SocketTimeoutException;
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import java.nio.channels.ClosedChannelException;
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import java.nio.channels.NotYetBoundException;
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import java.nio.channels.ServerSocketChannel;
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import java.nio.channels.SocketChannel;
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import java.nio.channels.spi.SelectorProvider;
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public final class ServerSocketChannelImpl extends ServerSocketChannel
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{
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private NIOServerSocket serverSocket;
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private boolean connected;
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protected ServerSocketChannelImpl (SelectorProvider provider)
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throws IOException
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{
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super (provider);
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serverSocket = new NIOServerSocket (this);
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configureBlocking(true);
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}
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public int getNativeFD()
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{
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return serverSocket.getPlainSocketImpl().getNativeFD();
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}
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public void finalizer()
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{
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if (connected)
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{
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try
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{
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close ();
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}
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catch (Exception e)
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{
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}
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}
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}
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protected void implCloseSelectableChannel () throws IOException
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{
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connected = false;
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serverSocket.close();
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}
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protected void implConfigureBlocking (boolean blocking) throws IOException
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{
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serverSocket.setSoTimeout (blocking ? 0 : NIOConstants.DEFAULT_TIMEOUT);
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}
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public SocketChannel accept () throws IOException
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{
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if (!isOpen())
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throw new ClosedChannelException();
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if (!serverSocket.isBound())
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throw new NotYetBoundException();
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boolean completed = false;
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try
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{
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begin();
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serverSocket.getPlainSocketImpl().setInChannelOperation(true);
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// indicate that a channel is initiating the accept operation
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// so that the socket ignores the fact that we might be in
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// non-blocking mode.
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NIOSocket socket = (NIOSocket) serverSocket.accept();
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completed = true;
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return socket.getChannel();
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}
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catch (SocketTimeoutException e)
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{
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return null;
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}
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finally
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{
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serverSocket.getPlainSocketImpl().setInChannelOperation(false);
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end (completed);
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}
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}
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public ServerSocket socket ()
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{
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return serverSocket;
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}
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}
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