osu/osu.Desktop/Program.cs

75 lines
2.6 KiB
C#

// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
using System;
using System.IO;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using osu.Framework;
using osu.Framework.Development;
using osu.Framework.Logging;
using osu.Framework.Platform;
using osu.Game.IPC;
namespace osu.Desktop
{
public static class Program
{
[STAThread]
public static int Main(string[] args)
{
// Back up the cwd before DesktopGameHost changes it
var cwd = Environment.CurrentDirectory;
using (DesktopGameHost host = Host.GetSuitableHost(@"osu", true))
{
host.ExceptionThrown += handleException;
if (!host.IsPrimaryInstance)
{
var importer = new ArchiveImportIPCChannel(host);
// Restore the cwd so relative paths given at the command line work correctly
Directory.SetCurrentDirectory(cwd);
foreach (var file in args)
{
Console.WriteLine(@"Importing {0}", file);
if (!importer.ImportAsync(Path.GetFullPath(file)).Wait(3000))
throw new TimeoutException(@"IPC took too long to send");
}
}
else
{
switch (args.FirstOrDefault() ?? string.Empty)
{
default:
host.Run(new OsuGameDesktop(args));
break;
}
}
return 0;
}
}
private static int allowableExceptions = DebugUtils.IsDebugBuild ? 0 : 1;
/// <summary>
/// Allow a maximum of one unhandled exception, per second of execution.
/// </summary>
/// <param name="arg"></param>
/// <returns></returns>
private static bool handleException(Exception arg)
{
bool continueExecution = Interlocked.Decrement(ref allowableExceptions) >= 0;
Logger.Log($"Unhandled exception has been {(continueExecution ? $"allowed with {allowableExceptions} more allowable exceptions" : "denied")} .");
// restore the stock of allowable exceptions after a short delay.
Task.Delay(1000).ContinueWith(_ => Interlocked.Increment(ref allowableExceptions));
return continueExecution;
}
}
}