static void Main(string[] args)
{
Console.WriteLine("lwIP MIB Compiler");
Console.WriteLine("");
// check args
if ((args.Length < 2) || String.IsNullOrWhiteSpace(args[0]) || String.IsNullOrWhiteSpace(args[1]))
{
PrintUsage();
return;
}
string mibFile = args[0];
if (!File.Exists(mibFile))
{
Console.WriteLine(String.Format("Unable to find file '{0}'!", mibFile));
}
string destFile = args[1];
string destHeaderFile;
if (Directory.Exists(destFile))
{
// only directory passed -> create dest filename from mib filename
string mibFileName = Path.GetFileNameWithoutExtension(mibFile).ToLowerInvariant();
destFile = Path.Combine(destFile, mibFileName + ".c");
}
string destFileExt = Path.GetExtension(destFile);
if (!String.IsNullOrEmpty(destFileExt))
{
destHeaderFile = destFile.Substring(0, destFile.Length - destFileExt.Length);
}
else
{
destHeaderFile = destFile;
}
destHeaderFile += ".h";
for (int i=2; i<args.Length; i++)
{
if (!String.IsNullOrWhiteSpace(args[i]) && Directory.Exists(args[i]))
{
MibTypesResolver.RegisterResolver(new FileSystemMibResolver(args[i], true));
}
}
// read and resolve MIB
Console.WriteLine(" Reading MIB file...");
MibDocument md = new MibDocument(mibFile);
MibTypesResolver.ResolveTypes(md.Modules[0]);
MibTree mt = new MibTree(md.Modules[0] as MibModule);
if (mt.Root.Count == 0)
{
Console.WriteLine("No root element found inside MIB!");
return;
}
MibCFile generatedFile = new MibCFile();
MibHeaderFile generatedHeaderFile = new MibHeaderFile();
foreach (MibTreeNode mibTreeNode in mt.Root)
{
// create LWIP object tree from MIB structure
Console.WriteLine(" Creating lwIP object tree " + mibTreeNode.Entity.Name);
SnmpMib snmpMib = new SnmpMib();
snmpMib.Oid = mibTreeNode.Entity.Value;
snmpMib.BaseOid = MibTypesResolver.ResolveOid(mibTreeNode.Entity).GetOidValues();
snmpMib.Name = mibTreeNode.Entity.Name;
ProcessMibTreeNode(mibTreeNode, snmpMib);
// let the tree transform itself depending on node structure
snmpMib.Analyze();
// generate code from LWIP object tree
Console.WriteLine(" Generating code " + snmpMib.Name);
snmpMib.Generate(generatedFile, generatedHeaderFile);
}
string preservedCode = MibCFile.GetPreservedCode(destFile);
if (!string.IsNullOrEmpty(preservedCode))
{
generatedFile.PreservedCode.Add(new PlainText(preservedCode));
}
else
{
generatedFile.PreservedCode.AddRange(generatedFile.Implementation);
}
generatedFile.Implementation.Clear();
using (StreamWriter fileWriter = new StreamWriter(destHeaderFile))
{
CGenerator cGenerator = new CGenerator(fileWriter, destHeaderFile, 3, " ", Environment.NewLine);
generatedHeaderFile.Save(cGenerator);
}
using (StreamWriter fileWriter = new StreamWriter(destFile))
{
CGenerator cGenerator = new CGenerator(fileWriter, destFile, 3, " ", Environment.NewLine);
generatedFile.Save(cGenerator);
}
Console.WriteLine(" Done");
}
