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
119 lines
4.1 KiB
C#
119 lines
4.1 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 SnmpScalarNodeOctetString : SnmpScalarNode
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{
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public SnmpScalarNodeOctetString(SnmpDataType dataType, SnmpTreeNode parentNode)
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: base(parentNode)
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{
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System.Diagnostics.Debug.Assert(
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(dataType == SnmpDataType.OctetString) ||
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(dataType == SnmpDataType.Opaque) ||
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(dataType == SnmpDataType.IpAddress));
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this.DataType = dataType;
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}
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protected override void GenerateGetMethodCodeCore(CodeContainerBase container, string localValueVarName, ref bool localValueVarUsed, string retLenVarName)
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{
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if (this.Restrictions.Count > 0)
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{
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StringBuilder ifCond = new StringBuilder();
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foreach (IRestriction restriction in this.Restrictions)
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{
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ifCond.Append(restriction.GetCheckCodeValid(retLenVarName));
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ifCond.Append(" || ");
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}
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ifCond.Length -= 4;
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container.AddElement(new Comment("TODO: take care of len restrictions defined in MIB: " + ifCond, singleLine: true));
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}
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base.GenerateGetMethodCodeCore(container, localValueVarName, ref localValueVarUsed, retLenVarName);
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}
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protected override void GenerateTestMethodCodeCore(CodeContainerBase container, string localValueVarName, ref bool localValueVarUsed, string lenVarName, ref bool lenVarUsed, string retErrVarName)
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{
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System.Diagnostics.Trace.Assert(this.Restrictions.Count > 0);
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// checks refer to length of octet string
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StringBuilder ifCond = new StringBuilder();
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foreach (IRestriction restriction in this.Restrictions)
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{
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ifCond.Append(restriction.GetCheckCodeValid(lenVarName));
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ifCond.Append(" || ");
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lenVarUsed = true;
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}
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ifCond.Length -= 4;
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IfThenElse ite = new IfThenElse(ifCond.ToString());
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ite.AddCode(String.Format("{0} = {1};", retErrVarName, LwipDefs.Def_ErrorCode_Ok));
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container.AddElement(ite);
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}
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public override int OidRepresentationLen
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{
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get
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{
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// check restrictions if we are set to one fixed length
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if ((this.Restrictions != null) && (this.Restrictions.Count > 0))
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{
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foreach (IRestriction restriction in this.Restrictions)
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{
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if (restriction is IsInRangeRestriction)
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{
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if ((restriction as IsInRangeRestriction).RangeStart == (restriction as IsInRangeRestriction).RangeEnd)
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{
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return (int)(restriction as IsInRangeRestriction).RangeStart;
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}
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}
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else if (restriction is IsEqualRestriction)
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{
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return (int)(restriction as IsEqualRestriction).Value;
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}
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}
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}
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return -1; // variable length
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}
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}
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}
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}
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