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osu-lazer/osu.Game/Online/PersistentEndpointClient.cs

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// 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.Threading;
using System.Threading.Tasks;
namespace osu.Game.Online
{
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public abstract class PersistentEndpointClient : IAsyncDisposable
{
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/// <summary>
/// An event notifying the <see cref="PersistentEndpointClientConnector"/> that the connection has been closed
/// </summary>
public event Func<Exception?, Task>? Closed;
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/// <summary>
/// Notifies the <see cref="PersistentEndpointClientConnector"/> that the connection has been closed.
/// </summary>
/// <param name="exception">The exception that the connection closed with.</param>
protected Task InvokeClosed(Exception? exception) => Closed?.Invoke(exception) ?? Task.CompletedTask;
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/// <summary>
/// Connects the client to the remote service to begin processing messages.
/// </summary>
/// <param name="cancellationToken">A cancellation token to stop processing messages.</param>
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public abstract Task ConnectAsync(CancellationToken cancellationToken);
public virtual ValueTask DisposeAsync()
{
Closed = null;
return new ValueTask(Task.CompletedTask);
}
}
}