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 SnmpMib : SnmpTreeNode
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40 | {
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41 | public uint[] BaseOid { get; set; }
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42 |
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43 | public SnmpMib()
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44 | : base(null)
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45 | {
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46 | }
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47 |
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48 | public SnmpMib(uint[] baseOid)
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49 | : base(null)
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50 | {
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51 | this.BaseOid = baseOid;
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52 | }
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53 |
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54 | public override string FullNodeName
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55 | {
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56 | get { return this.Name.ToLowerInvariant() + "_root"; }
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57 | }
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58 |
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59 | public override void GenerateCode(MibCFile mibFile)
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60 | {
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61 | base.GenerateCode(mibFile);
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62 |
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63 | System.Diagnostics.Debug.Assert((this.BaseOid != null) && (this.BaseOid.Length > 0));
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64 |
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65 | // create and add BaseOID declarations
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66 | StringBuilder boidInitialization = new StringBuilder("{");
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67 | foreach (uint t in this.BaseOid)
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68 | {
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69 | boidInitialization.Append(t);
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70 | boidInitialization.Append(",");
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71 | }
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72 | boidInitialization.Length -= 1;
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73 | boidInitialization.Append("}");
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74 |
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75 | VariableDeclaration boidDecl = new VariableDeclaration(
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76 | new VariableType(this.Name.ToLowerInvariant() + "_base_oid", LwipDefs.Vt_U32, null, ConstType.Value, String.Empty),
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77 | boidInitialization.ToString(), true);
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78 |
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79 | mibFile.Declarations.Add(boidDecl);
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80 | mibFile.Declarations.Add(GetExportDeclaration());
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81 | }
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82 |
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83 | public override void GenerateHeaderCode(MibHeaderFile mibHeaderFile)
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84 | {
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85 | mibHeaderFile.Includes.Add(new PP_Include("lwip/apps/snmp_core.h"));
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86 |
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87 | mibHeaderFile.VariableDeclarations.Add(VariablePrototype.FromVariableDeclaration(GetExportDeclaration()));
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88 | }
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89 |
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90 | VariableDeclaration GetExportDeclaration()
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91 | {
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92 | return new VariableDeclaration(
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93 | new VariableType(this.Name.ToLowerInvariant(), LwipDefs.Vt_StMib, null, ConstType.Value),
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94 | String.Format("{{{0}_base_oid, LWIP_ARRAYSIZE({0}_base_oid), &{1}.node}}", this.Name.ToLowerInvariant(), this.FullNodeName));
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95 | }
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96 | }
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97 | }
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