public VariableDeclaration(VariableType type, string initialValue = null, bool isStatic = false) :
base()
{
this.Type = type;
this.InitialValue = initialValue;
this.IsStatic = isStatic;
}
protected override void GenerateSetMethodCodeCore(CodeContainerBase container, string localValueVarName, ref bool localValueVarUsed, string lenVarName, ref bool lenVarUsed, string retErrVarName)
{
VariableType truthVar = new VariableType("bool_value", LwipDefs.Vt_U8);
container.Declarations.Add(new VariableDeclaration(truthVar));
container.AddCodeFormat("snmp_decode_truthvalue({0}, &{1});", localValueVarName, truthVar.Name);
localValueVarUsed = true;
container.AddElement(new Comment(String.Format("TODO: store new value contained in '{0}' here", truthVar.Name), singleLine: true));
}
private void GenerateAggregatedCode(MibCFile mibFile, bool generateDeclarations, bool generateImplementations)
{
VariableType instanceType = new VariableType("instance", LwipDefs.Vt_StNodeInstance, "*");
base.GenerateAggregatedCode(
mibFile,
instanceType,
String.Format("{0}->node->oid", instanceType.Name),
generateDeclarations,
generateImplementations);
}
public override void GenerateCode(MibCFile mibFile)
{
VariableType instanceType = new VariableType("node", LwipDefs.Vt_StScalarArrayNodeDef, "*", ConstType.Value);
GenerateAggregatedCode(
mibFile,
instanceType,
instanceType.Name + "->oid");
// create and add node definitions
StringBuilder nodeDefs = new StringBuilder();
foreach (SnmpScalarNode scalarNode in this.scalarNodes)
{
nodeDefs.AppendFormat(" {{{0}, {1}, {2}}}, /* {3} */ \n",
scalarNode.Oid,
LwipDefs.GetAsn1DefForSnmpDataType(scalarNode.DataType),
LwipDefs.GetLwipDefForSnmpAccessMode(scalarNode.AccessMode),
scalarNode.Name);
}
if (nodeDefs.Length > 0)
nodeDefs.Length--;
VariableDeclaration nodeDefsDecl = new VariableDeclaration(
new VariableType(this.FullNodeName + "_nodes", LwipDefs.Vt_StScalarArrayNodeDef, null, ConstType.Value, String.Empty),
"{\n" + nodeDefs + "\n}" ,
isStatic: true);
mibFile.Declarations.Add(nodeDefsDecl);
// create and add node declaration
string nodeInitialization = String.Format("SNMP_SCALAR_CREATE_ARRAY_NODE({0}, {1}, {2}, {3}, {4})",
this.Oid,
nodeDefsDecl.Type.Name,
(this.GetMethodRequired) ? this.GetMethodName : LwipDefs.Null,
(this.TestMethodRequired) ? this.TestMethodName : LwipDefs.Null,
(this.SetMethodRequired) ? this.SetMethodName : LwipDefs.Null
);
mibFile.Declarations.Add(new VariableDeclaration(
new VariableType(this.FullNodeName, LwipDefs.Vt_StScalarArrayNode, null, ConstType.Value),
nodeInitialization,
isStatic: true));
}
protected void GenerateAggregatedCode(MibCFile mibFile, VariableType instanceType, string switchSelector, bool generateDeclarations = true, bool generateImplementations = true)
{
if (this.getMethodRequired)
{
FunctionDeclaration getMethodDecl = new FunctionDeclaration(this.GetMethodName, isStatic: true);
getMethodDecl.Parameter.Add(instanceType);
getMethodDecl.Parameter.Add(new VariableType("value", VariableType.VoidString, "*"));
getMethodDecl.ReturnType = new VariableType(null, LwipDefs.Vt_U16);
if (generateDeclarations)
{
mibFile.Declarations.Add(getMethodDecl);
}
if (generateImplementations)
{
Function getMethod = Function.FromDeclaration(getMethodDecl);
GenerateGetMethodCode(getMethod, switchSelector);
mibFile.Implementation.Add(getMethod);
}
}
if (this.testMethodRequired)
{
FunctionDeclaration testMethodDecl = new FunctionDeclaration(this.TestMethodName, isStatic: true);
testMethodDecl.Parameter.Add(instanceType);
testMethodDecl.Parameter.Add(new VariableType("len", LwipDefs.Vt_U16));
testMethodDecl.Parameter.Add(new VariableType("value", VariableType.VoidString, "*"));
testMethodDecl.ReturnType = new VariableType(null, LwipDefs.Vt_Snmp_err);
if (generateDeclarations)
{
mibFile.Declarations.Add(testMethodDecl);
}
if (generateImplementations)
{
Function testMethod = Function.FromDeclaration(testMethodDecl);
GenerateTestMethodCode(testMethod, switchSelector);
mibFile.Implementation.Add(testMethod);
}
}
if (this.setMethodRequired)
{
FunctionDeclaration setMethodDecl = new FunctionDeclaration(this.SetMethodName, isStatic: true);
setMethodDecl.Parameter.Add(instanceType);
setMethodDecl.Parameter.Add(new VariableType("len", LwipDefs.Vt_U16));
setMethodDecl.Parameter.Add(new VariableType("value", VariableType.VoidString, "*"));
setMethodDecl.ReturnType = new VariableType(null, LwipDefs.Vt_Snmp_err);
if (generateDeclarations)
{
mibFile.Declarations.Add(setMethodDecl);
}
if (generateImplementations)
{
Function setMethod = Function.FromDeclaration(setMethodDecl);
GenerateSetMethodCode(setMethod, switchSelector);
mibFile.Implementation.Add(setMethod);
}
}
}
public override void GenerateCode(MibCFile mibFile)
{
FunctionDeclaration getInstanceMethodDecl = new FunctionDeclaration(this.FullNodeName + LwipDefs.FnctSuffix_GetInstance, isStatic: true);
getInstanceMethodDecl.Parameter.Add(new VariableType("column", LwipDefs.Vt_U32, "*", ConstType.Value));
getInstanceMethodDecl.Parameter.Add(new VariableType("row_oid", LwipDefs.Vt_U32, "*", ConstType.Value));
getInstanceMethodDecl.Parameter.Add(new VariableType("row_oid_len", LwipDefs.Vt_U8, ""));
getInstanceMethodDecl.Parameter.Add(new VariableType("cell_instance", LwipDefs.Vt_StNodeInstance, "*"));
getInstanceMethodDecl.ReturnType = new VariableType(null, LwipDefs.Vt_Snmp_err);
mibFile.Declarations.Add(getInstanceMethodDecl);
Function getInstanceMethod = Function.FromDeclaration(getInstanceMethodDecl);
GenerateGetInstanceMethodCode(getInstanceMethod);
mibFile.Implementation.Add(getInstanceMethod);
FunctionDeclaration getNextInstanceMethodDecl = new FunctionDeclaration(this.FullNodeName + LwipDefs.FnctSuffix_GetNextInstance, isStatic: true);
getNextInstanceMethodDecl.Parameter.Add(new VariableType("column", LwipDefs.Vt_U32, "*", ConstType.Value));
getNextInstanceMethodDecl.Parameter.Add(new VariableType("row_oid", LwipDefs.Vt_StObjectId, "*"));
getNextInstanceMethodDecl.Parameter.Add(new VariableType("cell_instance", LwipDefs.Vt_StNodeInstance, "*"));
getNextInstanceMethodDecl.ReturnType = new VariableType(null, LwipDefs.Vt_Snmp_err);
mibFile.Declarations.Add(getNextInstanceMethodDecl);
Function getNextInstanceMethod = Function.FromDeclaration(getNextInstanceMethodDecl);
GenerateGetNextInstanceMethodCode(getNextInstanceMethod);
mibFile.Implementation.Add(getNextInstanceMethod);
VariableType instanceType = new VariableType("cell_instance", LwipDefs.Vt_StNodeInstance, "*");
GenerateAggregatedCode(
mibFile,
instanceType,
String.Format("SNMP_TABLE_GET_COLUMN_FROM_OID({0}->instance_oid.id)", instanceType.Name));
#region create and add column/table definitions
StringBuilder colDefs = new StringBuilder();
foreach (SnmpScalarNode colNode in this.cellNodes)
{
colDefs.AppendFormat(" {{{0}, {1}, {2}}}, /* {3} */ \n",
colNode.Oid,
LwipDefs.GetAsn1DefForSnmpDataType(colNode.DataType),
LwipDefs.GetLwipDefForSnmpAccessMode(colNode.AccessMode),
colNode.Name);
}
if (colDefs.Length > 0)
{
colDefs.Length--;
}
VariableDeclaration colDefsDecl = new VariableDeclaration(
new VariableType(this.FullNodeName + "_columns", LwipDefs.Vt_StTableColumnDef, null, ConstType.Value, String.Empty),
"{\n" + colDefs + "\n}",
isStatic: true);
mibFile.Declarations.Add(colDefsDecl);
string nodeInitialization = String.Format("SNMP_TABLE_CREATE({0}, {1}, {2}, {3}, {4}, {5}, {6})",
this.Oid,
colDefsDecl.Type.Name,
getInstanceMethodDecl.Name, getNextInstanceMethodDecl.Name,
(this.GetMethodRequired) ? this.GetMethodName : LwipDefs.Null,
(this.TestMethodRequired) ? this.TestMethodName : LwipDefs.Null,
(this.SetMethodRequired) ? this.SetMethodName : LwipDefs.Null
);
mibFile.Declarations.Add(new VariableDeclaration(
new VariableType(this.FullNodeName, LwipDefs.Vt_StTableNode, null, ConstType.Value),
nodeInitialization,
isStatic: true));
#endregion
}
