osu/osu.Game/Online/Multiplayer/MultiplayerClientExtensions.cs

49 lines
1.8 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.Diagnostics;
using System.Threading.Tasks;
using Microsoft.AspNetCore.SignalR;
using osu.Framework.Logging;
namespace osu.Game.Online.Multiplayer
{
public static class MultiplayerClientExtensions
{
public static void FireAndForget(this Task task, Action? onSuccess = null, Action<Exception>? onError = null) =>
task.ContinueWith(t =>
{
if (t.IsFaulted)
{
Exception? exception = t.Exception;
if (exception is AggregateException ae)
exception = ae.InnerException;
Debug.Assert(exception != null);
string message = exception.GetHubExceptionMessage() ?? exception.Message;
Logger.Log(message, level: LogLevel.Important);
onError?.Invoke(exception);
}
else
{
onSuccess?.Invoke();
}
});
public static string? GetHubExceptionMessage(this Exception exception)
{
if (exception is HubException hubException)
// HubExceptions arrive with additional message context added, but we want to display the human readable message:
// "An unexpected error occurred invoking 'AddPlaylistItem' on the server.InvalidStateException: Can't enqueue more than 3 items at once."
// We generally use the message field for a user-parseable error (eventually to be replaced), so drop the first part for now.
return hubException.Message.Substring(exception.Message.IndexOf(':') + 1).Trim();
return null;
}
}
}