mirror of
https://github.com/lwip-tcpip/lwip.git
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ac46e42aa2
... from http://git.savannah.gnu.org/cgit/lwip/lwip-contrib.git/ into contrib/ subdir, STABLE-2_1_0_RELEASE tag lwIP contrib is now officially frozen TODO: Fix build
122 lines
4.2 KiB
C#
122 lines
4.2 KiB
C#
/*
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* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*
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* This file is part of the lwIP TCP/IP stack.
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*
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* Author: Martin Hentschel <info@cl-soft.de>
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*
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*/
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using System;
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using System.Text;
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using CCodeGeneration;
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namespace LwipSnmpCodeGeneration
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{
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public class SnmpScalarNodeBits : SnmpScalarNode
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{
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private readonly uint bitCount;
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public SnmpScalarNodeBits(SnmpTreeNode parentNode, uint bitCount)
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: base(parentNode)
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{
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this.DataType = SnmpDataType.Bits;
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this.bitCount = bitCount;
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}
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public override void GenerateGetMethodCode(CodeContainerBase container, string valueVarName, ref bool valueVarUsed, string retLenVarName)
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{
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container.AddCode(String.Format(
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"{0} = snmp_encode_bits(({1} *){2}, SNMP_MAX_VALUE_SIZE, 0 /* TODO: pass real value here */, {3});",
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retLenVarName,
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LwipDefs.Vt_U8,
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valueVarName,
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this.bitCount));
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valueVarUsed = true;
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}
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public override void GenerateTestMethodCode(CodeContainerBase container, string valueVarName, ref bool valueVarUsed, string lenVarName, ref bool lenVarUsed, string retErrVarName)
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{
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if (this.Restrictions.Count > 0)
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{
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const string bitVarName = "bits";
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container.Declarations.Add(new VariableDeclaration(new VariableType(bitVarName, LwipDefs.Vt_U32)));
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IfThenElse ite = new IfThenElse(String.Format(
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"snmp_decode_bits(({0} *){1}, {2}, &{3}) == ERR_OK",
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LwipDefs.Vt_U8,
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valueVarName,
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lenVarName,
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bitVarName));
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valueVarUsed = true;
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lenVarUsed = true;
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StringBuilder innerIfCond = new StringBuilder();
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foreach (IRestriction restriction in this.Restrictions)
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{
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innerIfCond.Append(restriction.GetCheckCodeValid(bitVarName));
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innerIfCond.Append(" || ");
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}
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innerIfCond.Length -= 4;
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IfThenElse innerIte = new IfThenElse(innerIfCond.ToString());
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innerIte.AddCode(String.Format("{0} = {1};", retErrVarName, LwipDefs.Def_ErrorCode_Ok));
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ite.AddElement(innerIte);
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container.AddElement(ite);
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}
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else
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{
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base.GenerateTestMethodCode(container, valueVarName, ref valueVarUsed, lenVarName, ref lenVarUsed, retErrVarName);
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}
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}
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public override void GenerateSetMethodCode(CodeContainerBase container, string valueVarName, ref bool valueVarUsed, string lenVarName, ref bool lenVarUsed, string retErrVarName)
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{
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const string bitVarName = "bits";
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container.Declarations.Add(new VariableDeclaration(new VariableType(bitVarName, LwipDefs.Vt_U32)));
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IfThenElse ite = new IfThenElse(String.Format(
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"snmp_decode_bits(({0} *){1}, {2}, &{3}) == ERR_OK",
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LwipDefs.Vt_U8,
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valueVarName,
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lenVarName,
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bitVarName));
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valueVarUsed = true;
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lenVarUsed = true;
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ite.AddElement(new Comment(String.Format("TODO: store new value contained in '{0}' here", bitVarName), singleLine: true));
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container.AddElement(ite);
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}
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}
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}
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