| /* LocalSocket.java -- a unix domain client socket. |
| Copyright (C) 2006 Free Software Foundation, Inc. |
| |
| This file is a 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 of the License, 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; if not, write to the Free Software |
| Foundation, Inc., 51 Franklin St, 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.local; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| |
| import java.net.InetAddress; |
| import java.net.Socket; |
| import java.net.SocketAddress; |
| import java.net.SocketException; |
| import java.net.SocketImpl; |
| |
| import java.nio.channels.IllegalBlockingModeException; |
| import java.nio.channels.SocketChannel; |
| |
| /** |
| * A local, or unix-domain socket. Unix domain sockets are connected on the |
| * local filesystem itself, rather than a remote address. |
| */ |
| public final class LocalSocket extends Socket |
| { |
| |
| // Fields. |
| // ------------------------------------------------------------------------- |
| |
| private final LocalSocketImpl localimpl; |
| boolean localClosed; |
| boolean localConnected; |
| |
| // Constructors. |
| // ------------------------------------------------------------------------- |
| |
| public LocalSocket () throws SocketException |
| { |
| super (); |
| localimpl = new LocalSocketImpl (); |
| } |
| |
| public LocalSocket (LocalSocketAddress addr) throws SocketException |
| { |
| this (); |
| try |
| { |
| connect (addr); |
| } |
| catch (IOException ioe) |
| { |
| SocketException se = new SocketException (); |
| se.initCause (ioe); |
| throw se; |
| } |
| } |
| |
| LocalSocket (boolean nocreate) throws IOException |
| { |
| super (); |
| localimpl = new LocalSocketImpl (nocreate); |
| } |
| |
| // Instance methods. |
| // ------------------------------------------------------------------------- |
| |
| public void bind (SocketAddress bindpoint) throws IOException |
| { |
| throw new SocketException ("binding local client sockets is nonsensical"); |
| } |
| |
| public void connect (SocketAddress endpoint, int timeout) throws IOException |
| { |
| if (isClosed ()) |
| { |
| throw new SocketException ("socket is closed"); |
| } |
| if (! (endpoint instanceof LocalSocketAddress)) |
| { |
| throw new IllegalArgumentException ("socket address is not a local address"); |
| } |
| if (getChannel() != null && !getChannel().isBlocking()) |
| { |
| throw new IllegalBlockingModeException (); |
| } |
| |
| try |
| { |
| localimpl.doCreate (); |
| localimpl.localConnect ((LocalSocketAddress) endpoint); |
| } |
| catch (IOException ioe) |
| { |
| close (); |
| throw ioe; |
| } |
| localConnected = true; |
| } |
| |
| public InetAddress getInetAddress () |
| { |
| return null; |
| } |
| |
| public InetAddress getLocalAddress () |
| { |
| return null; |
| } |
| |
| public int getPort () |
| { |
| return -1; |
| } |
| |
| public int getLocalPort () |
| { |
| return -1; |
| } |
| |
| public SocketChannel getChannel () |
| { |
| return null; |
| } |
| |
| public SocketAddress getLocalSocketAddress () |
| { |
| return localimpl.getLocalAddress (); |
| } |
| |
| public SocketAddress getRemoteSocketAddress () |
| { |
| return localimpl.getRemoteAddress (); |
| } |
| |
| public InputStream getInputStream () throws IOException |
| { |
| return localimpl.getInputStream (); |
| } |
| |
| public OutputStream getOutputStream () throws IOException |
| { |
| return localimpl.getOutputStream (); |
| } |
| |
| public void sendUrgentData (int b) throws IOException |
| { |
| localimpl.sendUrgentData (b); |
| } |
| |
| public synchronized void close () throws IOException |
| { |
| localimpl.close (); |
| localClosed = true; |
| } |
| |
| public void shutdownInput () throws IOException |
| { |
| localimpl.shutdownInput (); |
| } |
| |
| public void shutdownOutput () throws IOException |
| { |
| localimpl.shutdownOutput (); |
| } |
| |
| public boolean isClosed () |
| { |
| return localClosed; |
| } |
| |
| public boolean isBound () |
| { |
| return false; |
| } |
| |
| public boolean isConnected () |
| { |
| return localConnected; |
| } |
| |
| // Unsupported methods. |
| // ------------------------------------------------------------------------- |
| |
| public void setTcpNoDelay (boolean b) throws SocketException |
| { |
| throw new SocketException ("local sockets do not support this option"); |
| } |
| |
| public boolean getTcpNoDelay() throws SocketException |
| { |
| throw new SocketException ("local sockets do not support this option"); |
| } |
| |
| public void setSoLinger (boolean b, int i) throws SocketException |
| { |
| throw new SocketException ("local sockets do not support this option"); |
| } |
| |
| public int getSoLinger () throws SocketException |
| { |
| throw new SocketException ("local sockets do not support this option"); |
| } |
| |
| public void setOOBInline (boolean b) throws SocketException |
| { |
| throw new SocketException ("local sockets do not support this option"); |
| } |
| |
| public boolean getOOBInline () throws SocketException |
| { |
| throw new SocketException ("local sockets do not support this option"); |
| } |
| |
| public void setSoTimeout (int i) throws SocketException |
| { |
| // Ignore. |
| } |
| |
| public int getSoTimeout () throws SocketException |
| { |
| // We don't support timeout, so we return 0. |
| return 0; |
| } |
| |
| public void setSendBufferSize (int i) throws SocketException |
| { |
| throw new SocketException ("local sockets do not support this option"); |
| } |
| |
| public int getSendBufferSize() throws SocketException |
| { |
| throw new SocketException ("local sockets do not support this option"); |
| } |
| |
| public void setReceiveBufferSize (int i) throws SocketException |
| { |
| throw new SocketException ("local sockets do not support this option"); |
| } |
| |
| public int getReceiveBufferSize () throws SocketException |
| { |
| throw new SocketException ("local sockets do not support this option"); |
| } |
| |
| public void setKeepAlive (boolean b) throws SocketException |
| { |
| throw new SocketException ("local sockets do not support this option"); |
| } |
| |
| public boolean getKeepAlive () throws SocketException |
| { |
| throw new SocketException ("local sockets do not support this option"); |
| } |
| |
| public void setTrafficClass (int i) throws SocketException |
| { |
| throw new SocketException ("local sockets do not support this option"); |
| } |
| |
| public int getTrafficClass () throws SocketException |
| { |
| throw new SocketException ("local sockets do not support this option"); |
| } |
| |
| public void setReuseAddress (boolean b) throws SocketException |
| { |
| throw new SocketException ("local sockets do not support this option"); |
| } |
| |
| public boolean getReuseAddress () throws SocketException |
| { |
| throw new SocketException ("local sockets do not support this option"); |
| } |
| |
| LocalSocketImpl getLocalImpl () |
| { |
| return localimpl; |
| } |
| } |