private static Type GetFromAssembly(RhinoEtlCommandLineOptions options)
{
FileInfo _assemblyInfo = new FileInfo(options.File);
Assembly asm = Assembly.LoadFile(_assemblyInfo.FullName);
//Assembly asm = Assembly.Load(options.File);
foreach (Type type in asm.GetTypes())
{
if (typeof(EtlProcess).IsAssignableFrom(type) && type.Name.Equals(options.Process, StringComparison.InvariantCultureIgnoreCase))
{
return(type);
}
}
throw new InvalidOperationException("Could not find type nameed '" + options.Process + "' on: " +
options.File);
}
public async Task Execute(string[] args, CancellationToken cancellationToken = default)
{
RhinoEtlCommandLineOptions options = new RhinoEtlCommandLineOptions();
try
{
options.Parse(args);
}
catch (CommandLineException e)
{
Console.WriteLine(e.Message);
options.PrintOptions();
return;
}
await Execute(options, cancellationToken);
}
public async Task Execute(RhinoEtlCommandLineOptions options, CancellationToken cancellationToken = default)
{
setupLogging(options.Verbose);
log.DebugFormat("Starting with {OptionsFile}", options.File);
string ext = Path.GetExtension(options.File).ToLower();
Type processType;
if (ext == ".exe" || ext == ".dll")
{
processType = GetFromAssembly(options);
}
else
{
processType = GetFromDslFile(options.File);
}
await ExecuteProcessInSeparateAppDomain(processType, options, cancellationToken);
}
private async Task ExecuteProcessInSeparateAppDomain(Type processType, RhinoEtlCommandLineOptions options,
CancellationToken cancellationToken = default)
{
try
{
FileInfo _assemblyInfo = new FileInfo(options.File);
//we have to run the code in another appdomain, because we want to
//setup our own app.config for it
AppDomainSetup appDomainSetup = new AppDomainSetup();
//setting this to the current executing directory because that's where the dsl's dll gets created.
appDomainSetup.ApplicationBase = Path.GetDirectoryName(Uri.UnescapeDataString(new UriBuilder(Assembly.GetExecutingAssembly().CodeBase).Path));
appDomainSetup.ConfigurationFile = string.IsNullOrEmpty(options.Configuration) ? options.File + ".config" : options.Configuration;
AppDomain appDomain = AppDomain.CreateDomain("etl.domain", null, appDomainSetup);
appDomain.Load(processType.Assembly.GetName());
RhinoEtlRunner runner = (RhinoEtlRunner)appDomain.CreateInstanceAndUnwrap(typeof(RhinoEtlRunner).Assembly.GetName().FullName,
typeof(RhinoEtlRunner).FullName);
await runner.Start(processType, options.Verbose, setupLogging, cancellationToken);
}
catch (Exception e)
{
log.ErrorException(e.Message, e);
}
}
