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

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

1 files changed, 118 insertions, 0 deletions

diff --git a/contrib/apps/LwipMibCompiler/LwipSnmpCodeGeneration/SnmpScalarNodeOctetString.cs b/contrib/apps/LwipMibCompiler/LwipSnmpCodeGeneration/SnmpScalarNodeOctetString.cs
new file mode 100644
index 00000000000..bf10f9a8d95
--- /dev/null
+++ b/contrib/apps/LwipMibCompiler/LwipSnmpCodeGeneration/SnmpScalarNodeOctetString.cs
@@ -0,0 +1,118 @@
+/*
+ * 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;
+using System.Text;
+using CCodeGeneration;
+
+namespace LwipSnmpCodeGeneration
+{
+	public class SnmpScalarNodeOctetString : SnmpScalarNode
+	{
+		public SnmpScalarNodeOctetString(SnmpDataType dataType, SnmpTreeNode parentNode)
+			: base(parentNode)
+		{
+			System.Diagnostics.Debug.Assert(
+				(dataType == SnmpDataType.OctetString) || 
+				 (dataType == SnmpDataType.Opaque) || 
+				 (dataType == SnmpDataType.IpAddress));
+
+			this.DataType = dataType;
+		}
+
+		protected override void GenerateGetMethodCodeCore(CodeContainerBase container, string localValueVarName, ref bool localValueVarUsed, string retLenVarName)
+		{
+			if (this.Restrictions.Count > 0)
+			{
+				StringBuilder ifCond = new StringBuilder();
+				foreach (IRestriction restriction in this.Restrictions)
+				{
+					ifCond.Append(restriction.GetCheckCodeValid(retLenVarName));
+					ifCond.Append(" || ");
+				}
+
+				ifCond.Length -= 4;
+				container.AddElement(new Comment("TODO: take care of len restrictions defined in MIB: " + ifCond, singleLine: true));
+			}
+			base.GenerateGetMethodCodeCore(container, localValueVarName, ref localValueVarUsed, retLenVarName);
+		}
+
+		protected override void GenerateTestMethodCodeCore(CodeContainerBase container, string localValueVarName, ref bool localValueVarUsed, string lenVarName, ref bool lenVarUsed, string retErrVarName)
+		{
+			System.Diagnostics.Trace.Assert(this.Restrictions.Count > 0);
+
+			// checks refer to length of octet string
+			StringBuilder ifCond = new StringBuilder();
+			foreach (IRestriction restriction in this.Restrictions)
+			{
+				ifCond.Append(restriction.GetCheckCodeValid(lenVarName));
+				ifCond.Append(" || ");
+
+				lenVarUsed = true;
+			}
+
+			ifCond.Length -= 4;
+
+			IfThenElse ite = new IfThenElse(ifCond.ToString());
+			ite.AddCode(String.Format("{0} = {1};", retErrVarName, LwipDefs.Def_ErrorCode_Ok));
+			container.AddElement(ite);
+		}
+
+		public override int OidRepresentationLen
+		{
+			get
+			{
+				// check restrictions if we are set to one fixed length
+				if ((this.Restrictions != null) && (this.Restrictions.Count > 0))
+				{
+					foreach (IRestriction restriction in this.Restrictions)
+					{
+						if (restriction is IsInRangeRestriction)
+						{
+							if ((restriction as IsInRangeRestriction).RangeStart == (restriction as IsInRangeRestriction).RangeEnd)
+							{
+								return (int)(restriction as IsInRangeRestriction).RangeStart;
+							}
+						}
+						else if (restriction is IsEqualRestriction)
+						{
+							return (int)(restriction as IsEqualRestriction).Value;
+						}
+					}
+				}
+
+				return -1; // variable length
+			}
+		}
+
+	}
+}