aboutsummaryrefslogtreecommitdiffstats
path: root/gcc-4.4.3/libjava/classpath/gnu/java/net/local/LocalSocketImpl.java
diff options
context:
space:
mode:
Diffstat (limited to 'gcc-4.4.3/libjava/classpath/gnu/java/net/local/LocalSocketImpl.java')
-rw-r--r--gcc-4.4.3/libjava/classpath/gnu/java/net/local/LocalSocketImpl.java334
1 files changed, 334 insertions, 0 deletions
diff --git a/gcc-4.4.3/libjava/classpath/gnu/java/net/local/LocalSocketImpl.java b/gcc-4.4.3/libjava/classpath/gnu/java/net/local/LocalSocketImpl.java
new file mode 100644
index 000000000..f49b79947
--- /dev/null
+++ b/gcc-4.4.3/libjava/classpath/gnu/java/net/local/LocalSocketImpl.java
@@ -0,0 +1,334 @@
+/* LocalSocketImpl.java -- a unix domain client socket implementation.
+ 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 gnu.classpath.Configuration;
+
+import java.io.FileDescriptor;
+import java.io.InputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+
+import java.net.InetAddress;
+import java.net.SocketAddress;
+import java.net.SocketException;
+import java.net.SocketImpl;
+
+final class LocalSocketImpl extends SocketImpl
+{
+
+ // Fields.
+ // -------------------------------------------------------------------------
+
+ private boolean created;
+ private InputStream in;
+ private OutputStream out;
+ // Package private to avoid synthetic accessor method.
+ int socket_fd;
+ private LocalSocketAddress local;
+ private LocalSocketAddress remote;
+
+ static
+ {
+ try
+ {
+ if (Configuration.INIT_LOAD_LIBRARY)
+ {
+ System.loadLibrary ("javanet");
+ }
+ }
+ catch (Exception x)
+ {
+ x.printStackTrace ();
+ }
+ }
+
+ // Constructor.
+ // -------------------------------------------------------------------------
+
+ LocalSocketImpl ()
+ {
+ this (false);
+ }
+
+ LocalSocketImpl (boolean nocreate)
+ {
+ created = nocreate;
+ socket_fd = -1;
+ fd = new FileDescriptor ();
+ }
+
+ // Instance methods.
+ // -------------------------------------------------------------------------
+
+ public void setOption (int opt, Object value) throws SocketException
+ {
+ throw new SocketException ("local sockets do not support options");
+ }
+
+ public Object getOption (int opt) throws SocketException
+ {
+ throw new SocketException ("local sockets do not support options");
+ }
+
+ protected native void create (boolean stream) throws IOException;
+ protected native void listen (int timeout) throws IOException;
+ protected native void accept (LocalSocketImpl socket) throws IOException;
+ protected native int available (int fd) throws IOException;
+ protected native void close () throws IOException;
+ protected native void sendUrgentData (int data) throws IOException;
+ protected native void shutdownInput () throws IOException;
+ protected native void shutdownOutput () throws IOException;
+
+ native void unlink () throws IOException;
+ native void localBind (LocalSocketAddress addr) throws IOException;
+ native void localConnect (LocalSocketAddress addr) throws IOException;
+ native int read (int fd, byte[] buf, int off, int len) throws IOException;
+ native void write (int fd, byte[] buf, int off, int len) throws IOException;
+
+ protected int available()
+ throws IOException
+ {
+ return available(socket_fd);
+ }
+
+ void doCreate () throws IOException
+ {
+ if (!created)
+ {
+ create (true);
+ }
+ }
+
+ LocalSocketAddress getLocalAddress ()
+ {
+ return local;
+ }
+
+ LocalSocketAddress getRemoteAddress ()
+ {
+ return remote;
+ }
+
+ protected InputStream getInputStream()
+ {
+ if (in == null)
+ {
+ in = new LocalInputStream (this);
+ }
+
+ return in;
+ }
+
+ protected OutputStream getOutputStream()
+ {
+ if (out == null)
+ {
+ out = new LocalOutputStream (this);
+ }
+
+ return out;
+ }
+
+ protected void accept (SocketImpl impl) throws IOException
+ {
+ if (! (impl instanceof LocalSocketImpl))
+ {
+ throw new IllegalArgumentException ("not a local socket");
+ }
+ accept ((LocalSocketImpl) impl);
+ }
+
+ protected void connect (String host, int port) throws IOException
+ {
+ throw new SocketException ("this is a local socket");
+ }
+
+ protected void connect (InetAddress addr, int port) throws IOException
+ {
+ throw new SocketException ("this is a local socket");
+ }
+
+ protected void connect(SocketAddress addr, int timeout) throws IOException
+ {
+ if (! (addr instanceof LocalSocketAddress))
+ {
+ throw new SocketException ("address is not local");
+ }
+ localConnect ((LocalSocketAddress) addr);
+ }
+
+ protected void bind (InetAddress addr, int port) throws IOException
+ {
+ throw new SocketException ("this is a local socket");
+ }
+
+ protected void bind (SocketAddress addr) throws IOException
+ {
+ if (! (addr instanceof LocalSocketAddress))
+ {
+ throw new SocketException ("address is not local");
+ }
+ localBind ((LocalSocketAddress) addr);
+ }
+
+ // Inner classes.
+ // -------------------------------------------------------------------------
+
+ class LocalInputStream extends InputStream
+ {
+
+ // Field.
+ // -----------------------------------------------------------------------
+
+ private final LocalSocketImpl impl;
+
+ // Constructor.
+ // -----------------------------------------------------------------------
+
+ LocalInputStream (LocalSocketImpl impl)
+ {
+ this.impl = impl;
+ }
+
+ // Instance methods.
+ // -----------------------------------------------------------------------
+
+ public int available () throws IOException
+ {
+ return impl.available();
+ }
+
+ public boolean markSupported ()
+ {
+ return false;
+ }
+
+ public void mark (int readLimit)
+ {
+ }
+
+ public void reset () throws IOException
+ {
+ throw new IOException ("mark/reset not supported");
+ }
+
+ public void close () throws IOException
+ {
+ impl.close();
+ }
+
+ public int read () throws IOException
+ {
+ byte[] buf = new byte[1];
+ int ret = read (buf);
+ if (ret != -1)
+ {
+ return buf[0] & 0xFF;
+ }
+ else
+ {
+ return -1;
+ }
+ }
+
+ public int read (byte[] buf) throws IOException
+ {
+ return read (buf, 0, buf.length);
+ }
+
+ public int read (byte[] buf, int off, int len) throws IOException
+ {
+ int ret = impl.read (socket_fd, buf, off, len);
+
+ if (ret == 0)
+ {
+ return -1;
+ }
+
+ return ret;
+ }
+ }
+
+ class LocalOutputStream extends OutputStream
+ {
+
+ // Field.
+ // -----------------------------------------------------------------------
+
+ private final LocalSocketImpl impl;
+
+ // Constructor.
+ // -----------------------------------------------------------------------
+
+ LocalOutputStream (LocalSocketImpl impl)
+ {
+ this.impl = impl;
+ }
+
+ // Instance methods.
+ // -----------------------------------------------------------------------
+
+ public void close () throws IOException
+ {
+ impl.close ();
+ }
+
+ public void flush () throws IOException
+ {
+ }
+
+ public void write (int b) throws IOException
+ {
+ byte[] buf = new byte [1];
+ buf[0] = (byte) b;
+ write (buf);
+ }
+
+ public void write (byte[] buf) throws IOException
+ {
+ write (buf, 0, buf.length);
+ }
+
+ public void write (byte[] buf, int off, int len) throws IOException
+ {
+ impl.write (socket_fd, buf, off, len);
+ }
+ }
+}