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/*
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* Copyright (c) 2001, 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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import java.io.Serializable;
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import java.net.InetAddress;
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/**
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* Is the fully decoded representation of an SNMP packet.
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* <P>
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* Classes are derived from <CODE>SnmpPdu</CODE> to
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* represent the different forms of SNMP packets
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* ({@link com.sun.jmx.snmp.SnmpPduPacket SnmpPduPacket},
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* {@link com.sun.jmx.snmp.SnmpScopedPduPacket SnmpScopedPduPacket})
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* <BR>The <CODE>SnmpPdu</CODE> class defines the attributes
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* common to every form of SNMP packets.
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*
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*
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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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* @see SnmpMessage
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* @see SnmpPduFactory
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*
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* @since 1.5
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*/
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public abstract class SnmpPdu implements SnmpDefinitions, Serializable {
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/**
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* PDU type. Types are defined in
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* {@link com.sun.jmx.snmp.SnmpDefinitions SnmpDefinitions}.
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* @serial
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*/
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public int type=0 ;
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/**
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* Protocol version. Versions are defined in
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* {@link com.sun.jmx.snmp.SnmpDefinitions SnmpDefinitions}.
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* @serial
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*/
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public int version=0 ;
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/**
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* List of variables.
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* @serial
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*/
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public SnmpVarBind[] varBindList ;
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/**
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* Request identifier.
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* Note that this field is not used by <CODE>SnmpPduTrap</CODE>.
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* @serial
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*/
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public int requestId=0 ;
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/**
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* Source or destination address.
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* <P>For an incoming PDU it's the source.
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* <BR>For an outgoing PDU it's the destination.
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* @serial
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*/
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public InetAddress address ;
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/**
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* Source or destination port.
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* <P>For an incoming PDU it's the source.
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* <BR>For an outgoing PDU it's the destination.
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* @serial
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*/
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public int port=0 ;
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/**
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* Returns the <CODE>String</CODE> representation of a PDU type.
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* For instance, if the PDU type is <CODE>SnmpDefinitions.pduGetRequestPdu</CODE>,
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* the method will return "SnmpGet".
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* @param cmd The integer representation of the PDU type.
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* @return The <CODE>String</CODE> representation of the PDU type.
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*/
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public static String pduTypeToString(int cmd) {
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switch (cmd) {
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case pduGetRequestPdu :
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return "SnmpGet" ;
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case pduGetNextRequestPdu :
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return "SnmpGetNext" ;
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case pduWalkRequest :
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return "SnmpWalk(*)" ;
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case pduSetRequestPdu :
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return "SnmpSet" ;
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case pduGetResponsePdu :
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return "SnmpResponse" ;
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case pduV1TrapPdu :
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return "SnmpV1Trap" ;
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case pduV2TrapPdu :
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return "SnmpV2Trap" ;
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case pduGetBulkRequestPdu :
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return "SnmpGetBulk" ;
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case pduInformRequestPdu :
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return "SnmpInform" ;
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}
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return "Unknown Command = " + cmd ;
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}
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}
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