[457] | 1 | /*
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| 2 | * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without modification,
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| 6 | * are permitted provided that the following conditions are met:
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| 7 | *
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| 8 | * 1. Redistributions of source code must retain the above copyright notice,
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| 9 | * this list of conditions and the following disclaimer.
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| 10 | * 2. Redistributions in binary form must reproduce the above copyright notice,
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| 11 | * this list of conditions and the following disclaimer in the documentation
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| 12 | * and/or other materials provided with the distribution.
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| 13 | * 3. The name of the author may not be used to endorse or promote products
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| 14 | * derived from this software without specific prior written permission.
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| 15 | *
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| 16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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| 17 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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| 18 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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| 19 | * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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| 20 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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| 21 | * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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| 22 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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| 23 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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| 24 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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| 25 | * OF SUCH DAMAGE.
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| 26 | *
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| 27 | * This file is part of the lwIP TCP/IP stack.
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| 28 | *
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| 29 | * Author: Martin Hentschel <info@cl-soft.de>
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| 30 | *
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| 31 | */
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| 32 |
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| 33 | using System;
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| 34 | using System.Text;
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| 35 | using CCodeGeneration;
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| 36 |
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| 37 | namespace LwipSnmpCodeGeneration
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| 38 | {
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| 39 | public class SnmpScalarNodeOctetString : SnmpScalarNode
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| 40 | {
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| 41 | public SnmpScalarNodeOctetString(SnmpDataType dataType, SnmpTreeNode parentNode)
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| 42 | : base(parentNode)
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| 43 | {
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| 44 | System.Diagnostics.Debug.Assert(
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| 45 | (dataType == SnmpDataType.OctetString) ||
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| 46 | (dataType == SnmpDataType.Opaque) ||
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| 47 | (dataType == SnmpDataType.IpAddress));
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| 48 |
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| 49 | this.DataType = dataType;
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| 50 | }
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| 51 |
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| 52 | protected override void GenerateGetMethodCodeCore(CodeContainerBase container, string localValueVarName, ref bool localValueVarUsed, string retLenVarName)
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| 53 | {
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| 54 | if (this.Restrictions.Count > 0)
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| 55 | {
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| 56 | StringBuilder ifCond = new StringBuilder();
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| 57 | foreach (IRestriction restriction in this.Restrictions)
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| 58 | {
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| 59 | ifCond.Append(restriction.GetCheckCodeValid(retLenVarName));
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| 60 | ifCond.Append(" || ");
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| 61 | }
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| 62 |
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| 63 | ifCond.Length -= 4;
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| 64 | container.AddElement(new Comment("TODO: take care of len restrictions defined in MIB: " + ifCond, singleLine: true));
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| 65 | }
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| 66 | base.GenerateGetMethodCodeCore(container, localValueVarName, ref localValueVarUsed, retLenVarName);
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| 67 | }
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| 68 |
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| 69 | protected override void GenerateTestMethodCodeCore(CodeContainerBase container, string localValueVarName, ref bool localValueVarUsed, string lenVarName, ref bool lenVarUsed, string retErrVarName)
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| 70 | {
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| 71 | System.Diagnostics.Trace.Assert(this.Restrictions.Count > 0);
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| 72 |
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| 73 | // checks refer to length of octet string
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| 74 | StringBuilder ifCond = new StringBuilder();
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| 75 | foreach (IRestriction restriction in this.Restrictions)
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| 76 | {
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| 77 | ifCond.Append(restriction.GetCheckCodeValid(lenVarName));
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| 78 | ifCond.Append(" || ");
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| 79 |
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| 80 | lenVarUsed = true;
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| 81 | }
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| 82 |
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| 83 | ifCond.Length -= 4;
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| 84 |
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| 85 | IfThenElse ite = new IfThenElse(ifCond.ToString());
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| 86 | ite.AddCode(String.Format("{0} = {1};", retErrVarName, LwipDefs.Def_ErrorCode_Ok));
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| 87 | container.AddElement(ite);
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| 88 | }
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| 89 |
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| 90 | public override int OidRepresentationLen
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| 91 | {
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| 92 | get
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| 93 | {
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| 94 | // check restrictions if we are set to one fixed length
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| 95 | if ((this.Restrictions != null) && (this.Restrictions.Count > 0))
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| 96 | {
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| 97 | foreach (IRestriction restriction in this.Restrictions)
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| 98 | {
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| 99 | if (restriction is IsInRangeRestriction)
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| 100 | {
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| 101 | if ((restriction as IsInRangeRestriction).RangeStart == (restriction as IsInRangeRestriction).RangeEnd)
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| 102 | {
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| 103 | return (int)(restriction as IsInRangeRestriction).RangeStart;
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| 104 | }
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| 105 | }
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| 106 | else if (restriction is IsEqualRestriction)
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| 107 | {
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| 108 | return (int)(restriction as IsEqualRestriction).Value;
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| 109 | }
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| 110 | }
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| 111 | }
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| 112 |
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| 113 | return -1; // variable length
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| 114 | }
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| 115 | }
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| 116 |
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| 117 | }
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| 118 | }
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