--- /dev/null
+/* 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;
+}
--- /dev/null
+/* 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 ();
+ }
+}
projects / gcc.git / commitdiff