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初始化版本

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冯佳
2026-02-09 10:27:21 +08:00
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lwip/lwip-2.2.1/contrib/apps/LwipMibCompiler/LwipSnmpCodeGeneration/SnmpScalarArrayNode.cs Normal file
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/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Martin Hentschel <info@cl-soft.de>
*
*/
using System;
using System.Collections.Generic;
using System.Text;
using CCodeGeneration;
namespace LwipSnmpCodeGeneration
{
public class SnmpScalarArrayNode : SnmpScalarAggregationNode
{
private readonly List<SnmpScalarNode> scalarNodes;
public SnmpScalarArrayNode(List<SnmpScalarNode> scalarNodes, SnmpTreeNode parentNode)
: base(parentNode)
{
this.scalarNodes = scalarNodes;
}
public override string FullNodeName
{
get { return this.Name.ToLowerInvariant() + "_scalars"; }
}
protected override IEnumerable<SnmpScalarNode> AggregatedScalarNodes
{
get { return this.scalarNodes; }
}
public override void GenerateCode(MibCFile mibFile)
{
VariableType instanceType = new VariableType("node", LwipDefs.Vt_StScalarArrayNodeDef, "*", ConstType.Value);
GenerateAggregatedCode(
mibFile,
instanceType,
instanceType.Name + "->oid");
// create and add node definitions
StringBuilder nodeDefs = new StringBuilder();
foreach (SnmpScalarNode scalarNode in this.scalarNodes)
{
nodeDefs.AppendFormat(" {{{0}, {1}, {2}}}, /* {3} */ \n",
scalarNode.Oid,
LwipDefs.GetAsn1DefForSnmpDataType(scalarNode.DataType),
LwipDefs.GetLwipDefForSnmpAccessMode(scalarNode.AccessMode),
scalarNode.Name);
}
if (nodeDefs.Length > 0)
nodeDefs.Length--;
VariableDeclaration nodeDefsDecl = new VariableDeclaration(
new VariableType(this.FullNodeName + "_nodes", LwipDefs.Vt_StScalarArrayNodeDef, null, ConstType.Value, String.Empty),
"{\n" + nodeDefs + "\n}" ,
isStatic: true);
mibFile.Declarations.Add(nodeDefsDecl);
// create and add node declaration
string nodeInitialization = String.Format("SNMP_SCALAR_CREATE_ARRAY_NODE({0}, {1}, {2}, {3}, {4})",
this.Oid,
nodeDefsDecl.Type.Name,
(this.GetMethodRequired) ? this.GetMethodName : LwipDefs.Null,
(this.TestMethodRequired) ? this.TestMethodName : LwipDefs.Null,
(this.SetMethodRequired) ? this.SetMethodName : LwipDefs.Null
);
mibFile.Declarations.Add(new VariableDeclaration(
new VariableType(this.FullNodeName, LwipDefs.Vt_StScalarArrayNode, null, ConstType.Value),
nodeInitialization,
isStatic: true));
}
}
}