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diff --git a/libjava/gnu/java/rmi/server/UnicastServer.java b/libjava/gnu/java/rmi/server/UnicastServer.java
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+/*
+ Copyright (c) 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
+
+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.
+
+As a special exception, if you link this library with other files to
+produce an executable, this library does not by itself cause the
+resulting executable to be covered by the GNU General Public License.
+This exception does not however invalidate any other reasons why the
+executable file might be covered by the GNU General Public License.
+ */
+
+package gnu.java.rmi.server;
+
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import java.io.IOException;
+import java.net.InetAddress;
+import java.util.Hashtable;
+import java.net.UnknownHostException;
+import java.rmi.server.ObjID;
+import java.rmi.server.UnicastRemoteObject;
+import java.rmi.server.UID;
+import java.rmi.server.RemoteRef;
+import java.rmi.RemoteException;
+import java.rmi.NoSuchObjectException;
+import gnu.java.rmi.dgc.DGCImpl;
+
+public class UnicastServer
+ implements ProtocolConstants {
+
+static private Hashtable objects = new Hashtable();
+static private DGCImpl dgc;
+
+public static void exportObject(UnicastServerRef obj) {
+ startDGC();
+ objects.put(obj.objid, obj);
+ obj.manager.startServer();
+}
+
+private static synchronized void startDGC() {
+ if (dgc == null) {
+ try {
+ dgc = new DGCImpl();
+ ((UnicastServerRef)dgc.getRef()).exportObject(dgc);
+ }
+ catch (RemoteException e) {
+ e.printStackTrace();
+ }
+ }
+}
+
+public static void dispatch(UnicastConnection conn) throws Exception {
+ switch (conn.getDataInputStream().readUnsignedByte()) {
+ case MESSAGE_CALL:
+ incomingMessageCall(conn);
+ break;
+ default:
+ throw new Exception("bad method type");
+ }
+}
+
+private static void incomingMessageCall(UnicastConnection conn) throws IOException {
+ ObjectInputStream in = conn.getObjectInputStream();
+
+ ObjID objid = ObjID.read(in);
+ int method = in.readInt();
+ long hash = in.readLong();
+
+//System.out.println("ObjID: " + objid + ", method: " + method + ", hash: " + hash);
+
+ // Use the objid to locate the relevant UnicastServerRef
+ UnicastServerRef uref = (UnicastServerRef)objects.get(objid);
+ Object returnval;
+ int returncode = RETURN_ACK;
+ if (uref != null) {
+ try {
+ // Dispatch the call to it.
+ returnval = uref.incomingMessageCall(conn, method, hash);
+ }
+ catch (Exception e) {
+ returnval = e;
+ returncode = RETURN_NACK;
+ }
+ }
+ else {
+ returnval = new NoSuchObjectException("");
+ returncode = RETURN_NACK;
+ }
+
+ conn.getDataOutputStream().writeByte(MESSAGE_CALL_ACK);
+
+ ObjectOutputStream out = conn.getObjectOutputStream();
+
+ out.writeByte(returncode);
+ (new UID()).write(out);
+ out.writeObject(returnval);
+
+ out.flush();
+}
+
+}
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