71 lines
3.4 KiB
Java
71 lines
3.4 KiB
Java
/*
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* Copyright (c) 2002, 2003, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package com.sun.jmx.snmp;
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/**
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* This engine is conformant with the RFC 2571. It is the main object within an SNMP entity (agent, manager...).
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* To an engine is associated an {@link SnmpEngineId}.
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* Engine instantiation is based on a factory {@link com.sun.jmx.snmp.SnmpEngineFactory SnmpEngineFactory}.
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* When an <CODE> SnmpEngine </CODE> is created, a User based Security Model (USM) is initialized. The security configuration is located in a text file.
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* The text file is read when the engine is created.
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* <p>Note that the engine is not used when the agent is SNMPv1/SNMPv2 only.
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<P> The USM configuration text file is remotely updatable using the USM Mib.</P>
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<P> User that are configured in the Usm text file are nonVolatile. </P>
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<P> Usm Mib userEntry supported storage type values are : volatile or nonVolatile only. Other values are rejected and a wrongValue is returned) </P>
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<ul>
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<li> volatile means that user entry is not flushed in security file </li>
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<li> nonVolatile means that user entry is flushed in security file </li>
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<li> If a nonVolatile row is set to be volatile, it will be not flushed in the file </li>
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<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>
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</ul>
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* <p><b>This API is a Sun Microsystems internal API and is subject
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* to change without notice.</b></p>
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* @since 1.5
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*/
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public interface SnmpEngine {
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/**
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* Gets the engine time in seconds. This is the time from the last reboot.
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* @return The time from the last reboot.
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*/
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public int getEngineTime();
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/**
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* Gets the engine Id. This is unique for each engine.
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* @return The engine Id object.
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*/
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public SnmpEngineId getEngineId();
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/**
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* 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.
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* @return The engine's number of reboot.
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*/
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public int getEngineBoots();
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/**
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* Gets the Usm key handler.
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* @return The key handler.
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*/
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public SnmpUsmKeyHandler getUsmKeyHandler();
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}
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