aspnetcore/test/Microsoft.AspNetCore.Server.../TestConnection.cs

36 lines
1.3 KiB
C#

// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using System;
using System.Net;
using System.Net.Sockets;
using Microsoft.AspNetCore.Server.Kestrel.Networking;
namespace Microsoft.AspNetCore.Server.Kestrel.FunctionalTests
{
public class TestConnection
{
public static Socket CreateConnectedLoopbackSocket(int port)
{
var socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
if (PlatformApis.IsWindows)
{
const int SIO_LOOPBACK_FAST_PATH = -1744830448;
var optionInValue = BitConverter.GetBytes(1);
try
{
socket.IOControl(SIO_LOOPBACK_FAST_PATH, optionInValue, null);
}
catch
{
// If the operating system version on this machine did
// not support SIO_LOOPBACK_FAST_PATH (i.e. version
// prior to Windows 8 / Windows Server 2012), handle the exception
}
}
socket.Connect(new IPEndPoint(IPAddress.Loopback, port));
return socket;
}
}
}