playtest-unity/playtest/Library/PackageCache/com.unity.ide.visualstudio@.../Editor/Messaging/UdpSocket.cs

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2023-06-19 23:21:21 -04:00
/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
using System;
using System.Net;
using System.Net.Sockets;
namespace Microsoft.Unity.VisualStudio.Editor.Messaging
{
internal class UdpSocket : Socket
{
// Maximum UDP payload is 65507 bytes.
// TCP mode will be used when the payload is bigger than this BufferSize
public const int BufferSize = 1024 * 8;
internal UdpSocket()
: base(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp)
{
SetIOControl();
}
public void Bind(IPAddress address, int port = 0)
{
Bind(new IPEndPoint(address ?? IPAddress.Any, port));
}
private void SetIOControl()
{
if (!VisualStudioEditor.IsWindows)
return;
try
{
const int SIO_UDP_CONNRESET = -1744830452;
IOControl(SIO_UDP_CONNRESET, new byte[] { 0 }, new byte[0]);
}
catch
{
// fallback
}
}
public static byte[] BufferFor(IAsyncResult result)
{
return (byte[])result.AsyncState;
}
public static EndPoint Any()
{
return new IPEndPoint(IPAddress.Any, 0);
}
}
}