File: LwipSnmp.cs

package info (click to toggle)
lwip 2.2.1%2Bdfsg1-1
  • links: PTS, VCS
  • area: main
  • in suites: trixie
  • size: 10,008 kB
  • sloc: ansic: 109,524; cs: 6,714; sh: 115; makefile: 112; perl: 81
file content (199 lines) | stat: -rw-r--r-- 7,054 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
/*
 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
 * OF SUCH DAMAGE.
 *
 * This file is part of the lwIP TCP/IP stack.
 *
 * Author: Martin Hentschel <info@cl-soft.de>
 *
 */

using System;

namespace LwipSnmpCodeGeneration
{
	public static class LwipOpts
	{
		public static bool GenerateEmptyFolders = false;
		/// <summary>
		/// If a tree node only has scalar nodes as child nodes, it is replaced by
		/// a single scalar array node in order to save memory and have only one single get/test/set method for all scalars.
		/// </summary>
		public static bool GenerateScalarArrays = true;
		/// <summary>
		/// If a tree node has multiple scalars as subnodes as well as other treenodes it
		/// defines a single get/test/set method for all scalar child node.
		/// (without other treenodes as child it would have been converted to scalar array node).
		/// </summary>
		public static bool GenerateSingleAccessMethodsForTreeNodeScalars = GenerateScalarArrays;
	}

	public static class LwipDefs
	{
		public const string Null        = "NULL";
		public const string Vt_U8       = "u8_t";
		public const string Vt_U16      = "u16_t";
		public const string Vt_U32      = "u32_t";
		public const string Vt_S8       = "s8_t";
		public const string Vt_S16      = "s16_t";
		public const string Vt_S32      = "s32_t";
		public const string Vt_Snmp_err = "snmp_err_t";

		public const string Incl_SnmpOpts = "lwip/apps/snmp_opts.h";
		public const string Opt_SnmpEnabled = "LWIP_SNMP";

		public const string Vt_StMib                = "struct snmp_mib";
		public const string Vt_StObjectId           = "struct snmp_obj_id";
		public const string Vt_StNode               = "struct snmp_node";
		public const string Vt_StNodeInstance       = "struct snmp_node_instance";
		public const string Vt_StTreeNode           = "struct snmp_tree_node";
		public const string Vt_StScalarNode         = "struct snmp_scalar_node";
		public const string Vt_StScalarArrayNode    = "struct snmp_scalar_array_node";
		public const string Vt_StScalarArrayNodeDef = "struct snmp_scalar_array_node_def";
		public const string Vt_StTableNode          = "struct snmp_table_node";
		public const string Vt_StTableColumnDef     = "struct snmp_table_col_def";
		public const string Vt_StNextOidState       = "struct snmp_next_oid_state";

		public const string Def_NodeAccessReadOnly      = "SNMP_NODE_INSTANCE_READ_ONLY";
		public const string Def_NodeAccessReadWrite     = "SNMP_NODE_INSTANCE_READ_WRITE";
		public const string Def_NodeAccessWriteOnly     = "SNMP_NODE_INSTANCE_WRITE_ONLY";
		public const string Def_NodeAccessNotAccessible = "SNMP_NODE_INSTANCE_NOT_ACCESSIBLE";

		public const string Def_ErrorCode_Ok             = "SNMP_ERR_NOERROR";
		public const string Def_ErrorCode_WrongValue     = "SNMP_ERR_WRONGVALUE";
		public const string Def_ErrorCode_NoSuchInstance = "SNMP_ERR_NOSUCHINSTANCE";

		public const string FnctSuffix_GetValue        = "_get_value";
		public const string FnctSuffix_SetTest         = "_set_test";
		public const string FnctSuffix_SetValue        = "_set_value";
		public const string FnctSuffix_GetInstance     = "_get_instance";
		public const string FnctSuffix_GetNextInstance = "_get_next_instance";

		public const string FnctName_SetTest_Ok         = "snmp_set_test_ok";

		public static string GetLwipDefForSnmpAccessMode(SnmpAccessMode am)
		{
			switch (am)
			{
				case SnmpAccessMode.ReadOnly: return Def_NodeAccessReadOnly;
				case SnmpAccessMode.ReadWrite: return Def_NodeAccessReadWrite;
				case SnmpAccessMode.NotAccessible: return Def_NodeAccessNotAccessible;
				case SnmpAccessMode.WriteOnly: return Def_NodeAccessWriteOnly;
				default: throw new NotSupportedException("Unknown SnmpAccessMode!");
			}
		}

		public static string GetAsn1DefForSnmpDataType(SnmpDataType dt)
		{
			switch (dt)
			{
				// primitive
				case SnmpDataType.Null:
					return "SNMP_ASN1_TYPE_NULL";
				case SnmpDataType.Bits:
				case SnmpDataType.OctetString:
					return "SNMP_ASN1_TYPE_OCTET_STRING";
				case SnmpDataType.ObjectIdentifier:
					return "SNMP_ASN1_TYPE_OBJECT_ID";				
				case SnmpDataType.Integer:
					return "SNMP_ASN1_TYPE_INTEGER";

				// application
				case SnmpDataType.IpAddress:
					return "SNMP_ASN1_TYPE_IPADDR";
				case SnmpDataType.Counter:
					return "SNMP_ASN1_TYPE_COUNTER";
				case SnmpDataType.Gauge:
					return "SNMP_ASN1_TYPE_GAUGE";
				case SnmpDataType.TimeTicks:
					return "SNMP_ASN1_TYPE_TIMETICKS";
				case SnmpDataType.Opaque:
					return "SNMP_ASN1_TYPE_OPAQUE";
				case SnmpDataType.Counter64:
					return "SNMP_ASN1_TYPE_COUNTER64";
				default:
					throw new NotSupportedException("Unknown SnmpDataType!");
			}
		}

		public static string GetLengthForSnmpDataType(SnmpDataType dt)
		{
			switch (dt)
			{
				case SnmpDataType.Null:
					return "0";

				case SnmpDataType.Integer:
				case SnmpDataType.Counter:
				case SnmpDataType.IpAddress:
				case SnmpDataType.Gauge:
				case SnmpDataType.TimeTicks:
					return "4";

				case SnmpDataType.Counter64:
					return "8";

				case SnmpDataType.OctetString:
				case SnmpDataType.ObjectIdentifier:
				case SnmpDataType.Bits:
				case SnmpDataType.Opaque:
					return null;

				default:
					throw new NotSupportedException("Unknown SnmpDataType!");
			}
		}
	}

	public enum SnmpDataType
	{
		Null,

		Integer, // INTEGER, Integer32

		Counter, // Counter, Counter32
		Gauge,  // Gauge, Gauge32, Unsigned32
		TimeTicks,

		Counter64,

		OctetString,
		Opaque,
		Bits,

		ObjectIdentifier,
		
		IpAddress,
	}

	public enum SnmpAccessMode
	{
		ReadOnly,
		ReadWrite,
		WriteOnly,
		NotAccessible
	}

}