+++ /dev/null
-// PlainSocketImpl.java - Implementation of SocketImpl.
-
-/* Copyright (C) 1999 , 2002 Free Software Foundation
-
- This file is part of libgcj.
-
-This software is copyrighted work licensed under the terms of the
-Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
-details. */
-
-package java.net;
-import java.io.*;
-
-
-/**
- * The standard GCJ socket implementation.
- * Written using on-line Java Platform 1.2 API Specification, as well
- * as "The Java Class Libraries", 2nd edition (Addison-Wesley, 1998).
- * Status: Believed complete and correct.
- *
- * @author Per Bothner <bothner@cygnus.com>
- * @author Nic Ferrier <nferrier@tapsellferrier.co.uk>
- */
-class PlainSocketImpl extends SocketImpl
-{
- // These fields are mirrored for use in native code to avoid cpp conflicts
- // when the #defines in system header files are the same as the public fields.
- static final int _Jv_TCP_NODELAY_ = SocketOptions.TCP_NODELAY,
- _Jv_SO_BINDADDR_ = SocketOptions.SO_BINDADDR,
- _Jv_SO_REUSEADDR_ = SocketOptions.SO_REUSEADDR,
- _Jv_IP_MULTICAST_IF_ = SocketOptions.IP_MULTICAST_IF,
- _Jv_SO_LINGER_ = SocketOptions.SO_LINGER,
- _Jv_SO_TIMEOUT_ = SocketOptions.SO_TIMEOUT,
- _Jv_SO_SNDBUF_ = SocketOptions.SO_SNDBUF,
- _Jv_SO_RCVBUF_ = SocketOptions.SO_RCVBUF;
-
- /**
- * The OS file handle representing the socket.
- * This is used for reads and writes to/from the socket and
- * to close it.
- *
- * When the socket is closed this is reset to -1.
- */
- int fnum = -1;
-
- // This value is set/read by setOption/getOption.
- int timeout = 0;
-
- // localAddress cache
- InetAddress localAddress;
-
- public native void setOption(int optID, Object value) throws SocketException;
-
- public native Object getOption(int optID) throws SocketException;
-
- protected native void create (boolean stream) throws IOException;
-
- protected void connect (String host, int port) throws IOException
- {
- connect(InetAddress.getByName(host), port);
- }
-
- protected native void connect (InetAddress host, int port)
- throws IOException;
-
- protected native void bind (InetAddress host, int port) throws IOException;
-
- protected native void listen (int backlog) throws IOException;
-
- private native void accept (PlainSocketImpl s) throws IOException;
-
- protected void accept (SocketImpl s) throws IOException
- {
- accept((PlainSocketImpl) s);
- }
-
- protected native int available() throws IOException;
-
- protected native void close () throws IOException;
-
-
- // Stream handling.
-
- /** A cached copy of the in stream for reading from the socket. */
- private InputStream in;
-
- /** A cached copy of the out stream for writing to the socket. */
- private OutputStream out;
-
-
- // The native read methods.
-
- private native int read() throws IOException;
-
- private native int read(byte[] buffer, int offset, int count)
- throws IOException;
-
-
- // The native write methods.
-
- private native void write(int c) throws IOException;
-
- private native void write(byte[] buffer, int offset, int count)
- throws IOException;
-
- protected void finalize() throws Throwable
- {
- synchronized (this)
- {
- if (fnum != -1)
- try
- {
- close();
- }
- catch (IOException ex)
- {
- // ignore
- }
- }
- super.finalize();
- }
-
- /** @return the input stream attached to the socket.
- */
- protected InputStream getInputStream() throws IOException
- {
- if (in == null)
- in = new SocketInputStream();
- return in;
- }
-
- /** @return the output stream attached to the socket.
- */
- protected OutputStream getOutputStream() throws IOException
- {
- if (out == null)
- out = new SocketOutputStream();
- return out;
- }
-
- /**
- * A stream which reads from the socket implementation.
- *
- * @author Nic Ferrier <nferrier@tapsellferrier.co.uk>
- */
- class SocketInputStream
- extends InputStream
- {
- SocketInputStream()
- {
- }
-
- public final void close() throws IOException
- {
- PlainSocketImpl.this.close();
- }
-
- public final int available() throws IOException
- {
- return PlainSocketImpl.this.available();
- }
-
- public final int read() throws IOException
- {
- return PlainSocketImpl.this.read();
- }
-
- public final int read(byte[] buffer, int offset, int length)
- throws IOException
- {
- return PlainSocketImpl.this.read(buffer, offset, length);
- }
-
- public final int read(byte[] buffer)
- throws IOException
- {
- return PlainSocketImpl.this.read(buffer, 0, buffer.length);
- }
- }
-
- /** A stream which writes to the socket implementation.
- *
- * @author Nic Ferrier <nferrier@tapsellferrier.co.uk>
- */
- class SocketOutputStream
- extends OutputStream
- {
- public final void close() throws IOException
- {
- PlainSocketImpl.this.close();
- }
-
- public final void write(int c) throws IOException
- {
- PlainSocketImpl.this.write(c);
- }
-
- public final void write(byte[] buffer, int offset, int length)
- throws IOException
- {
- PlainSocketImpl.this.write(buffer, offset, length);
- }
-
- public final void write(byte[] buffer)
- throws IOException
- {
- PlainSocketImpl.this.write(buffer, 0, buffer.length);
- }
- }
-}