--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java.rmi/share/classes/java/rmi/server/RemoteServer.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,115 @@
+/*
+ * Copyright (c) 1996, 2002, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code 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
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package java.rmi.server;
+
+import java.rmi.*;
+import sun.rmi.server.UnicastServerRef;
+import sun.rmi.runtime.Log;
+
+/**
+ * The <code>RemoteServer</code> class is the common superclass to server
+ * implementations and provides the framework to support a wide range
+ * of remote reference semantics.  Specifically, the functions needed
+ * to create and export remote objects (i.e. to make them remotely
+ * available) are provided abstractly by <code>RemoteServer</code> and
+ * concretely by its subclass(es).
+ *
+ * @author  Ann Wollrath
+ * @since   1.1
+ */
+public abstract class RemoteServer extends RemoteObject
+{
+    /* indicate compatibility with JDK 1.1.x version of class */
+    private static final long serialVersionUID = -4100238210092549637L;
+
+    /**
+     * Constructs a <code>RemoteServer</code>.
+     * @since 1.1
+     */
+    protected RemoteServer() {
+        super();
+    }
+
+    /**
+     * Constructs a <code>RemoteServer</code> with the given reference type.
+     *
+     * @param ref the remote reference
+     * @since 1.1
+     */
+    protected RemoteServer(RemoteRef ref) {
+        super(ref);
+    }
+
+    /**
+     * Returns a string representation of the client host for the
+     * remote method invocation being processed in the current thread.
+     *
+     * @return  a string representation of the client host
+     *
+     * @throws  ServerNotActiveException if no remote method invocation
+     * is being processed in the current thread
+     *
+     * @since   1.1
+     */
+    public static String getClientHost() throws ServerNotActiveException {
+        return sun.rmi.transport.tcp.TCPTransport.getClientHost();
+    }
+
+    /**
+     * Log RMI calls to the output stream <code>out</code>. If
+     * <code>out</code> is <code>null</code>, call logging is turned off.
+     *
+     * <p>If there is a security manager, its
+     * <code>checkPermission</code> method will be invoked with a
+     * <code>java.util.logging.LoggingPermission("control")</code>
+     * permission; this could result in a <code>SecurityException</code>.
+     *
+     * @param   out the output stream to which RMI calls should be logged
+     * @throws  SecurityException  if there is a security manager and
+     *          the invocation of its <code>checkPermission</code> method
+     *          fails
+     * @see #getLog
+     * @since 1.1
+     */
+    public static void setLog(java.io.OutputStream out)
+    {
+        logNull = (out == null);
+        UnicastServerRef.callLog.setOutputStream(out);
+    }
+
+    /**
+     * Returns stream for the RMI call log.
+     * @return the call log
+     * @see #setLog
+     * @since 1.1
+     */
+    public static java.io.PrintStream getLog()
+    {
+        return (logNull ? null : UnicastServerRef.callLog.getPrintStream());
+    }
+
+    // initialize log status
+    private static boolean logNull = !UnicastServerRef.logCalls;
+}