// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using System;
 
namespace Microsoft.AspNetCore.Http.Connections.Client;
 
/// <summary>
/// Exception thrown during negotiate when a transport fails to connect.
/// </summary>
public class TransportFailedException : Exception
{
    /// <summary>
    /// The name of the transport that failed to connect.
    /// </summary>
    public string TransportType { get; }
 
    /// <summary>
    /// Constructs a <see cref="TransportFailedException"/>.
    /// </summary>
    /// <param name="transportType">The name of the transport that failed to connect.</param>
    /// <param name="message">The reason the transport failed.</param>
    /// <param name="innerException">An optional extra exception if one was thrown while trying to connect.</param>
    public TransportFailedException(string transportType, string message, Exception? innerException = null)
        : base($"{transportType} failed: {message}", innerException)
    {
        TransportType = transportType;
    }
}