1 /* 2 * Copyright (c) 2001-2004 Swedish Institute of Computer Science. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without modification, 6 * are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 19 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 21 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 24 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 25 * OF SUCH DAMAGE. 26 * 27 * This file is part of the lwIP TCP/IP stack. 28 * 29 * Author: Martin Hentschel <info@cl-soft.de> 30 * 31 */ 32 33 using System; 34 using System.Text; 35 using CCodeGeneration; 36 37 namespace LwipSnmpCodeGeneration 38 { 39 public class SnmpMib : SnmpTreeNode 40 { 41 public uint[] BaseOid { get; set; } 42 SnmpMib()43 public SnmpMib() 44 : base(null) 45 { 46 } 47 SnmpMib(uint[] baseOid)48 public SnmpMib(uint[] baseOid) 49 : base(null) 50 { 51 this.BaseOid = baseOid; 52 } 53 54 public override string FullNodeName 55 { 56 get { return this.Name.ToLowerInvariant() + "_root"; } 57 } 58 GenerateCode(MibCFile mibFile)59 public override void GenerateCode(MibCFile mibFile) 60 { 61 base.GenerateCode(mibFile); 62 63 System.Diagnostics.Debug.Assert((this.BaseOid != null) && (this.BaseOid.Length > 0)); 64 65 // create and add BaseOID declarations 66 StringBuilder boidInitialization = new StringBuilder("{"); 67 foreach (uint t in this.BaseOid) 68 { 69 boidInitialization.Append(t); 70 boidInitialization.Append(","); 71 } 72 boidInitialization.Length -= 1; 73 boidInitialization.Append("}"); 74 75 VariableDeclaration boidDecl = new VariableDeclaration( 76 new VariableType(this.Name.ToLowerInvariant() + "_base_oid", LwipDefs.Vt_U32, null, ConstType.Value, String.Empty), 77 boidInitialization.ToString(), true); 78 79 mibFile.Declarations.Add(boidDecl); 80 mibFile.Declarations.Add(GetExportDeclaration()); 81 } 82 GenerateHeaderCode(MibHeaderFile mibHeaderFile)83 public override void GenerateHeaderCode(MibHeaderFile mibHeaderFile) 84 { 85 mibHeaderFile.Includes.Add(new PP_Include("lwip/apps/snmp_core.h")); 86 87 mibHeaderFile.VariableDeclarations.Add(VariablePrototype.FromVariableDeclaration(GetExportDeclaration())); 88 } 89 GetExportDeclaration()90 VariableDeclaration GetExportDeclaration() 91 { 92 return new VariableDeclaration( 93 new VariableType(this.Name.ToLowerInvariant(), LwipDefs.Vt_StMib, null, ConstType.Value), 94 String.Format("{{{0}_base_oid, LWIP_ARRAYSIZE({0}_base_oid), &{1}.node}}", this.Name.ToLowerInvariant(), this.FullNodeName)); 95 } 96 } 97 } 98