--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/sun/management/jdp/JdpDoSomething.java	Sun Feb 03 21:39:58 2013 +0400
@@ -0,0 +1,103 @@
+/*
+ * Copyright (c) 2012, 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.
+ *
+ * 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.
+ */
+
+import java.io.File;
+import java.io.IOException;
+import java.io.RandomAccessFile;
+import java.util.Objects;
+
+import sun.management.jdp.JdpJmxPacket;
+import sun.management.jdp.JdpException;
+
+public class JdpDoSomething {
+
+    private static final String lockFileName = "JdpDoSomething.lck";
+    private static final boolean verbose=false;
+
+    public static boolean getVerbose(){
+        return verbose;
+    }
+
+    public static void printJdpPacket(JdpJmxPacket p) {
+        if (getVerbose()) {
+            try {
+                RandomAccessFile f = new RandomAccessFile("out.dmp", "rw");
+                f.write(p.getPacketData());
+                f.close();
+            } catch (IOException e) {
+                System.out.println("Can't write a dump file: " + e);
+            }
+
+            System.out.println("Id: " + p.getId());
+            System.out.println("Jmx: " + p.getJmxServiceUrl());
+            System.out.println("Main: " + p.getMainClass());
+            System.out.println("InstanceName: " + p.getInstanceName());
+
+            System.out.flush();
+        }
+    }
+
+    public static void compaireJdpPacketEx(JdpJmxPacket p1, JdpJmxPacket p2)
+    throws JdpException {
+
+        if (!Objects.equals(p1, p1)) {
+            throw new JdpException("Packet mismatch error");
+        }
+
+        if (!Objects.equals(p1.getMainClass(), p2.getMainClass())) {
+            throw new JdpException("Packet mismatch error (main class)");
+        }
+
+        if (!Objects.equals(p1.getInstanceName(), p2.getInstanceName())) {
+            throw new JdpException("Packet mismatch error (instance name)");
+        }
+    }
+
+    public static void doSomething() {
+        try {
+            File lockFile = new File(lockFileName);
+            lockFile.createNewFile();
+
+            while (lockFile.exists()) {
+                long datetime = lockFile.lastModified();
+                long epoch = System.currentTimeMillis() / 1000;
+
+                // Don't allow test app to run more than an hour
+                if (epoch - datetime > 3600) {
+                    System.err.println("Lock is too old. Aborting");
+                    return;
+                }
+                Thread.sleep(1);
+            }
+
+        } catch (Throwable e) {
+            System.err.println("Something bad happens:" + e);
+        }
+    }
+
+    public static void main(String args[]) throws Exception {
+        System.err.println("main enter");
+        doSomething();
+        System.err.println("main exit");
+    }
+}