// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using System.Buffers;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Connections;
 
namespace Microsoft.AspNetCore.SignalR.Tests;
 
public class WriteThenCloseConnectionHandler : ConnectionHandler
{
    public override async Task OnConnectedAsync(ConnectionContext connection)
    {
        var result = await connection.Transport.Input.ReadAsync();
        var buffer = result.Buffer;
 
        if (!buffer.IsEmpty)
        {
            await connection.Transport.Output.WriteAsync(buffer.ToArray());
        }
 
        connection.Transport.Input.AdvanceTo(buffer.End);
    }
}