private void InitializeDomain()
{
var domaininfo = new AppDomainSetup {
PrivateBinPath = Path.Combine(_baseFolderPath, _user, _path + "\\")
};
//Create evidence for the new appdomain from evidence of the current application domain
var evidence = AppDomain.CurrentDomain.Evidence;
_appDomain = AppDomain.CreateDomain(Path.Combine(_user, _path), evidence, domaininfo);
_appDomain.Load("Scripting");
_boundaryObject = (BoundaryObject)_appDomain.CreateInstanceAndUnwrap(
typeof(BoundaryObject).Assembly.FullName,
typeof(BoundaryObject).FullName ?? throw new InvalidOperationException());
_args = new AppDomainArgs
{
Folder = domaininfo.PrivateBinPath,
Name = _path.Split(new[] { '\\' }, StringSplitOptions.RemoveEmptyEntries).Last(),
User = _user
};
var test = _boundaryObject.CreateScriptingInstance(_args);
if (test == null)
{
throw new NoNullAllowedException("Failed to create scripting instance");
}
test = null;
UserName = _user;
ScriptingName = _path;
}
public IScripting CreateScriptingInstance(AppDomainArgs args)
{
try
{
if (_assembly == null || _name != args.Name || _user != args.User || _folder != args.Folder)
{
#if DEBUG
var dll = File.ReadAllBytes(Path.Combine(args.Folder, args.Name + ".dll"));
var pdbFile = Path.Combine(args.Folder, args.Name + ".pdb");
_assembly = File.Exists(pdbFile) ? Assembly.Load(dll, File.ReadAllBytes(pdbFile)) : Assembly.Load(dll);
#else
_assembly = Assembly.Load(File.ReadAllBytes(Path.Combine(args.Folder, args.Name + ".dll")));
#endif
_name = args.Name;
_user = args.User;
_folder = args.Folder;
}
var instance = _assembly.CreateInstance(args.Name + "." + args.Name) as IScripting;
//failed to create instance by name - try to retrieve the type by base type
if (instance == null)
{
var t = _assembly.GetTypes().FirstOrDefault(i => i.BaseType == typeof(SignalBase)); //|| i.BaseType == typeof(IndicatorBase));
if (t != null)
{
instance = _assembly.CreateInstance(t.FullName ?? throw new InvalidOperationException()) as IScripting;
}
}
if (instance != null)
{
instance.Owner = args.User;
}
return(instance);
}
catch (Exception e)
{
Logger.Error("Failed to create scripting instance", e);
return(null);
}
}
