ITransport.java: New file.

* gnu/classpath/jdwp/transport/ITransport.java: New file.
        * gnu/classpath/jdwp/transport/SocketTransport.java: New file.

From-SVN: r100553
This commit is contained in:
Keith Seitz 2005-06-03 20:56:09 +00:00 committed by Keith Seitz
parent 25e3d99dc2
commit 658a82f8ed
3 changed files with 260 additions and 0 deletions

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@ -1,3 +1,8 @@
2005-06-03 Keith Seitz <keiths@redhat.com>
* gnu/classpath/jdwp/transport/ITransport.java: New file.
* gnu/classpath/jdwp/transport/SocketTransport.java: New file.
2005-06-03 Andreas Tobler <a.tobler@schweiz.ch>
* jawt.c: Remove malloc.h, covered by stdlib.h.

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/* ITransport.java -- An interface defining JDWP transports
Copyright (C) 2005 Free Software Foundation
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., 59 Temple Place, Suite 330, Boston, MA
02111-1307 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
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.classpath.jdwp.transport;
import java.io.InputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.lang.IllegalArgumentException;
import java.util.HashMap;
/**
* A class representing a transport layer. This class serves as a generic
* interface for all transport types used in the JDWP back-end.
*
* @author Keith Seitz <keiths@redhat.com>
*/
public interface ITransport
{
/**
* Configure the transport with the given properties
*
* @param properties properties of the transport configuration
* @throws TransportException on configury error
*/
public void configure (HashMap properties)
throws TransportException;
/**
* Initialize the transport
*
* @throws TransportException on initialization error
*/
public void initialize ()
throws TransportException;
/**
* Get the input stream for the transport
*/
public InputStream getInputStream ()
throws IOException;
/**
* Get the output stream for the transport
*/
public OutputStream getOutputStream ()
throws IOException;
}

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/* SocketTransport.java -- a socket transport
Copyright (C) 2005 Free Software Foundation
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., 59 Temple Place, Suite 330, Boston, MA
02111-1307 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
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.classpath.jdwp.transport;
import gnu.classpath.jdwp.transport.ITransport;
import gnu.classpath.jdwp.transport.TransportException;
import java.io.InputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.HashMap;
import javax.net.ServerSocketFactory;
import javax.net.SocketFactory;
/**
* A socket-based transport. This transport uses
* configury string that looks like "name=dt_socket,
* address=localhost:1234,server=y".
*
* @author Keith Seitz <keiths@redhat.com>
*/
class SocketTransport
implements ITransport
{
/**
* Name of this transport
*/
public static final String NAME = "dt_socket";
// Configure properties
private static final String _PROPERTY_ADDRESS = "address";
private static final String _PROPERTY_SERVER = "server";
// Port number
private int _port;
// Host name
private String _host;
// Are we acting as a server?
private boolean _server = false;
// Socket
private Socket _socket;
/**
* Setup the connection configuration from the given properties
*
* @param properties the properties of the JDWP session
* @throws TransportException for any configury errors
*/
public void configure (HashMap properties)
throws TransportException
{
// Get address [form: "hostname:port"]
String p = (String) properties.get (_PROPERTY_ADDRESS);
if (p != null)
{
String[] s = p.split (":");
if (s.length == 2)
{
_host = s[0];
_port = Integer.parseInt (s[1]);
}
}
// Get server [form: "y" or "n"]
p = (String) properties.get (_PROPERTY_SERVER);
if (p != null)
{
if (p.toLowerCase().equals ("y"))
_server = true;
}
}
/**
* Initialize this socket connection. This includes
* connecting to the host (or listening for it).
*
* @throws TransportException if a transport-related error occurs
*/
public void initialize ()
throws TransportException
{
try
{
if (_server)
{
// Get a server socket
ServerSocketFactory ssf = ServerSocketFactory.getDefault ();
ServerSocket ss = ssf.createServerSocket (_port, 1);
_socket = ss.accept ();
}
else
{
// Get a client socket (the factory will connect it)
SocketFactory sf = SocketFactory.getDefault ();
_socket = sf.createSocket (_host, _port);
}
}
catch (IOException ioe)
{
// This will grab UnknownHostException, too.
throw new TransportException (ioe);
}
}
/**
* Returns an <code>InputStream</code> for the transport
*
* @throws IOException if an I/O error occurs creating the stream
* or the socket is not connected
*/
public InputStream getInputStream ()
throws IOException
{
return _socket.getInputStream ();
}
/**
* Returns an <code>OutputStream</code> for the transport
*
* @throws IOException if an I/O error occurs creating the stream
* or the socket is not connected
*/
public OutputStream getOutputStream ()
throws IOException
{
return _socket.getOutputStream ();
}
}