--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/jdk.snmp/share/classes/com/sun/jmx/snmp/SnmpEngine.java	Sun Aug 17 15:54:13 2014 +0100
@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2002, 2003, 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 com.sun.jmx.snmp;
+
+/**
+ * This engine is conformant with the RFC 2571. It is the main object within an SNMP entity (agent, manager...).
+ * To an engine is associated an {@link SnmpEngineId}.
+ * Engine instantiation is based on a factory {@link com.sun.jmx.snmp.SnmpEngineFactory  SnmpEngineFactory}.
+ * When an <CODE> SnmpEngine </CODE> is created, a User based Security Model (USM) is initialized. The security configuration is located in a text file.
+ * The text file is read when the engine is created.
+ * <p>Note that the engine is not used when the agent is SNMPv1/SNMPv2 only.
+<P> The USM configuration text file is remotely updatable using the USM Mib.</P>
+<P> User that are configured in the Usm text file are nonVolatile. </P>
+<P> Usm Mib userEntry supported storage type values are : volatile or nonVolatile only. Other values are rejected and a wrongValue is returned) </P>
+<ul>
+<li> volatile means that user entry is not flushed in security file </li>
+<li> nonVolatile means that user entry is flushed in security file </li>
+<li> If a nonVolatile row is set to be volatile, it will be not flushed in the file </li>
+<li>If a volatile row created from the UsmMib is set to nonVolatile, it will be flushed in the file (if the file exist and is writable otherwise an inconsistentValue is returned)</li>
+</ul>
+ * <p><b>This API is a Sun Microsystems internal API  and is subject
+ * to change without notice.</b></p>
+ * @since 1.5
+ */
+public interface SnmpEngine {
+    /**
+     * Gets the engine time in seconds. This is the time from the last reboot.
+     * @return The time from the last reboot.
+     */
+    public int getEngineTime();
+    /**
+     * Gets the engine Id. This is unique for each engine.
+     * @return The engine Id object.
+     */
+    public SnmpEngineId getEngineId();
+
+    /**
+     * Gets the engine boot number. This is the number of time this engine has rebooted. Each time an <CODE>SnmpEngine</CODE> is instantiated, it will read this value in its Lcd, and store back the value incremented by one.
+     * @return The engine's number of reboot.
+     */
+    public int getEngineBoots();
+
+    /**
+     * Gets the Usm key handler.
+     * @return The key handler.
+     */
+    public SnmpUsmKeyHandler getUsmKeyHandler();
+}