Squashed 'lib/lwip/lwip/' content from commit 0a0452b2c39b

git-subtree-dir: lib/lwip/lwip
git-subtree-split: 0a0452b2c39bdd91e252aef045c115f88f6ca773

1 files changed, 199 insertions, 0 deletions

diff --git a/contrib/apps/LwipMibCompiler/LwipSnmpCodeGeneration/LwipSnmp.cs b/contrib/apps/LwipMibCompiler/LwipSnmpCodeGeneration/LwipSnmp.cs
new file mode 100644
index 00000000000..edac59e04ce
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+++ b/contrib/apps/LwipMibCompiler/LwipSnmpCodeGeneration/LwipSnmp.cs
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+/*
+ * 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
+	}
+
+}