osu/osu.Desktop/Program.cs

126 lines
4.4 KiB
C#

// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
using System;
using System.IO;
using System.Threading;
using System.Threading.Tasks;
using osu.Desktop.LegacyIpc;
using osu.Framework;
using osu.Framework.Development;
using osu.Framework.Logging;
using osu.Framework.Platform;
using osu.Game.IPC;
using osu.Game.Tournament;
namespace osu.Desktop
{
public static class Program
{
private const string base_game_name = @"osu";
private static LegacyTcpIpcProvider legacyIpc;
[STAThread]
public static void Main(string[] args)
{
// Back up the cwd before DesktopGameHost changes it
string cwd = Environment.CurrentDirectory;
string gameName = base_game_name;
bool tournamentClient = false;
foreach (string arg in args)
{
string[] split = arg.Split('=');
string key = split[0];
string val = split.Length > 1 ? split[1] : string.Empty;
switch (key)
{
case "--tournament":
tournamentClient = true;
break;
case "--debug-client-id":
if (!DebugUtils.IsDebugBuild)
throw new InvalidOperationException("Cannot use this argument in a non-debug build.");
if (!int.TryParse(val, out int clientID))
throw new ArgumentException("Provided client ID must be an integer.");
gameName = $"{base_game_name}-{clientID}";
break;
}
}
using (DesktopGameHost host = Host.GetSuitableHost(gameName, true))
{
host.ExceptionThrown += handleException;
if (!host.IsPrimaryInstance)
{
if (args.Length > 0 && args[0].Contains('.')) // easy way to check for a file import in args
{
var importer = new ArchiveImportIPCChannel(host);
foreach (string file in args)
{
Console.WriteLine(@"Importing {0}", file);
if (!importer.ImportAsync(Path.GetFullPath(file, cwd)).Wait(3000))
throw new TimeoutException(@"IPC took too long to send");
}
return;
}
// we want to allow multiple instances to be started when in debug.
if (!DebugUtils.IsDebugBuild)
{
Logger.Log(@"osu! does not support multiple running instances.", LoggingTarget.Runtime, LogLevel.Error);
return;
}
}
if (host.IsPrimaryInstance)
{
try
{
Logger.Log("Starting legacy IPC provider...");
legacyIpc = new LegacyTcpIpcProvider();
legacyIpc.Bind();
}
catch (Exception ex)
{
Logger.Error(ex, "Failed to start legacy IPC provider");
}
}
if (tournamentClient)
host.Run(new TournamentGame());
else
host.Run(new OsuGameDesktop(args));
}
}
private static int allowableExceptions = DebugUtils.IsDebugBuild ? 0 : 1;
/// <summary>
/// Allow a maximum of one unhandled exception, per second of execution.
/// </summary>
/// <param name="arg"></param>
private static bool handleException(Exception arg)
{
bool continueExecution = Interlocked.Decrement(ref allowableExceptions) >= 0;
Logger.Log($"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;
}
}
}