1 | using System;
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2 | using System.Collections.Generic;
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3 | using Lextm.SharpSnmpLib.Mib.Elements.Entities;
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4 | using Lextm.SharpSnmpLib.Mib.Elements.Types;
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5 |
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6 | namespace Lextm.SharpSnmpLib.Mib
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7 | {
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8 | [Flags]
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9 | public enum MibTreeNodeType
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10 | {
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11 | Unknown = 0,
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12 | Container = (1 << 0),
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13 | Scalar = (1 << 1),
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14 | Table = (1 << 2),
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15 | TableRow = (1 << 3),
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16 | TableCell = (1 << 4),
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17 | NotificationRelated = (1 << 5),
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18 | ConformanceRelated = (1 << 6)
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19 | }
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20 |
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21 |
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22 | public class MibTreeNode
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23 | {
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24 | private MibTreeNode _parent = null;
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25 | private List<MibTreeNode> _childNodes = new List<MibTreeNode>();
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26 | private IEntity _entity = null;
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27 | private MibTreeNodeType _nodeType = MibTreeNodeType.Unknown;
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28 |
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29 | public MibTreeNode(MibTreeNode parent, IEntity entity)
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30 | {
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31 | _parent = parent;
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32 | _entity = entity;
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33 | }
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34 |
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35 | public MibTreeNode Parent
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36 | {
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37 | get { return _parent; }
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38 | }
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39 |
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40 | public IEntity Entity
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41 | {
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42 | get { return _entity; }
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43 | }
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44 |
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45 | public MibTreeNodeType NodeType
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46 | {
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47 | get { return _nodeType; }
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48 | }
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49 |
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50 | public List<MibTreeNode> ChildNodes
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51 | {
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52 | get { return _childNodes; }
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53 | }
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54 |
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55 | public MibTreeNode AddChild(IEntity element)
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56 | {
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57 | MibTreeNode result = new MibTreeNode(this, element);
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58 | this.ChildNodes.Add(result);
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59 |
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60 | return result;
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61 | }
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62 |
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63 | public void UpdateNodeType()
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64 | {
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65 | _nodeType = MibTreeNodeType.Unknown;
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66 |
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67 | if (_entity != null)
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68 | {
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69 | if ((_entity is OidValueAssignment) || (_entity is ObjectIdentity))
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70 | {
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71 | _nodeType |= MibTreeNodeType.Container;
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72 | return;
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73 | }
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74 | else if (_childNodes.Count > 0)
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75 | {
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76 | _nodeType |= MibTreeNodeType.Container;
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77 | }
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78 |
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79 | if (_entity is ObjectType)
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80 | {
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81 | ObjectType ot = _entity as ObjectType;
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82 |
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83 | if (ot.Syntax is SequenceOf)
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84 | {
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85 | _nodeType |= MibTreeNodeType.Table;
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86 | }
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87 | else if (ot.Syntax is Sequence)
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88 | {
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89 | _nodeType |= MibTreeNodeType.TableRow;
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90 | }
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91 | else if ((_parent != null) && ((_parent.NodeType & MibTreeNodeType.TableRow) != 0))
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92 | {
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93 | _nodeType |= MibTreeNodeType.TableCell;
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94 | _nodeType |= MibTreeNodeType.Scalar;
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95 | }
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96 | else
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97 | {
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98 | _nodeType |= MibTreeNodeType.Scalar;
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99 | }
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100 | }
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101 | else if ((_entity is ModuleCompliance) || (_entity is ObjectGroup) || (_entity is NotificationGroup))
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102 | {
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103 | _nodeType |= MibTreeNodeType.ConformanceRelated;
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104 | }
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105 | else if ((_entity is NotificationGroup) || (_entity is NotificationType))
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106 | {
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107 | _nodeType |= MibTreeNodeType.NotificationRelated;
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108 | }
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109 | }
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110 | }
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111 | }
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112 | }
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