Files
Torch/Torch/Utils/TorchLauncher.cs
2017-10-04 21:40:42 -07:00

64 lines
2.4 KiB
C#

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;
using Torch.API;
namespace Torch.Utils
{
public class TorchLauncher
{
private const string TorchKey = "TorchWrapper";
public static bool IsTorchWrapped()
{
return AppDomain.CurrentDomain.GetData(TorchKey) != null;
}
public static void Launch(string entryPoint, string[] args, params string[] binaryPaths)
{
if (IsTorchWrapped())
throw new Exception("Can't wrap torch twice");
string exePath = Path.GetDirectoryName(Assembly.GetEntryAssembly().Location)?.ToLower().Replace('/', '\\');
if (exePath == null)
throw new ArgumentException("Unable to determine executing assembly's path");
var allPaths = new HashSet<string> { exePath };
foreach (string other in binaryPaths)
allPaths.Add(other.ToLower().Replace('/', '\\'));
var path = new StringBuilder(allPaths.First());
foreach (string other in binaryPaths)
{
if (path.Length > other.Length)
path.Remove(other.Length, path.Length - other.Length);
for (var i = 0; i < path.Length; i++)
if (path[i] != other[i])
{
path.Remove(i, path.Length - i);
break;
}
}
AppDomain.CurrentDomain.AppendPrivatePath(String.Join(Path.PathSeparator.ToString(), allPaths));
AppDomain.CurrentDomain.SetData(TorchKey, true);
AppDomain.CurrentDomain.ExecuteAssemblyByName(entryPoint, args);
return;
// this would be way better but HAVOK IS UNMANAGED :clang:
// exclude application base from probing
var setup = new AppDomainSetup
{
ApplicationBase = path.ToString(),
PrivateBinPathProbe = "",
PrivateBinPath = string.Join(";", allPaths)
};
AppDomain domain = AppDomain.CreateDomain($"TorchDomain-{Assembly.GetEntryAssembly().GetName().Name}-{new Random().Next():X}", null, setup);
domain.SetData(TorchKey, true);
domain.ExecuteAssemblyByName(entryPoint, args);
AppDomain.Unload(domain);
}
}
}