Minimal changes for .NET 6.0.

This commit is contained in:
Pete Chown
2022-09-14 17:53:28 +01:00
parent b7c59a94ab
commit 57eb8e3727
2 changed files with 99 additions and 130 deletions

View File

@@ -1,118 +1,96 @@
using System;
using System.Net.WebSockets;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Hosting.Server;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Http.Features;
using Microsoft.AspNetCore.Server.Kestrel.Core;
using Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets;
using Microsoft.AspNetCore.WebSockets;
using Microsoft.Extensions.Logging.Abstractions;
using Microsoft.Extensions.Options;
using Microsoft.Extensions.Primitives;
namespace Kestrel
{
class Context
{
public IFeatureCollection features;
public Context(IFeatureCollection features)
{
this.features = features;
}
}
class Application : IHttpApplication<Context>
{
private WebSocketMiddleware wsMiddleware;
public Application()
{
var wsOptions = new WebSocketOptions();
wsMiddleware = new WebSocketMiddleware(continueRequest, new OptionsWrapper<WebSocketOptions>(wsOptions));
}
public Context CreateContext(IFeatureCollection contextFeatures)
{
return new Context(contextFeatures);
}
public void DisposeContext(Context context, Exception exception)
{
}
public async Task ProcessRequestAsync(Context context)
{
HttpContext httpContext = new DefaultHttpContext(context.features);
await wsMiddleware.Invoke(httpContext);
}
private async Task continueRequest(HttpContext httpContext)
{
if (httpContext.WebSockets.IsWebSocketRequest)
{
var socket = await httpContext.WebSockets.AcceptWebSocketAsync();
var message = Encoding.ASCII.GetBytes("hello world");
await socket.SendAsync(new ArraySegment<byte>(message), WebSocketMessageType.Text, true,
CancellationToken.None);
await socket.ReceiveAsync(new byte[4096], CancellationToken.None);
}
else
{
httpContext.Response.Headers.Add("Content-Type", new StringValues("text/plain"));
await httpContext.Response.Body.WriteAsync(Encoding.ASCII.GetBytes("hello world"));
}
}
}
class ApplicationLifetime : IApplicationLifetime
{
private readonly CancellationTokenSource startedSource = new CancellationTokenSource();
private readonly CancellationTokenSource stoppingSource = new CancellationTokenSource();
private readonly CancellationTokenSource stoppedSource = new CancellationTokenSource();
public CancellationToken ApplicationStarted => startedSource.Token;
public CancellationToken ApplicationStopping => stoppingSource.Token;
public CancellationToken ApplicationStopped => stoppedSource.Token;
public void StopApplication()
{
lock (stoppingSource)
{
if (!stoppingSource.Token.IsCancellationRequested)
stoppingSource.Cancel(throwOnFirstException: false);
}
}
}
class Program
{
static async Task Main(string[] args)
{
var serverOptions = new KestrelServerOptions();
serverOptions.ListenAnyIP(8080);
var transportOptions = new SocketTransportOptions();
var loggerFactory = new NullLoggerFactory();
var applicationLifetime = new ApplicationLifetime();
var transportFactory = new SocketTransportFactory(
new OptionsWrapper<SocketTransportOptions>(transportOptions), applicationLifetime, loggerFactory);
using (var server = new KestrelServer(new OptionsWrapper<KestrelServerOptions>(serverOptions),
transportFactory, loggerFactory))
{
await server.StartAsync(new Application(), CancellationToken.None);
Console.ReadLine();
}
}
}
}
using System;
using System.Net.WebSockets;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting.Server;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Http.Features;
using Microsoft.AspNetCore.Server.Kestrel.Core;
using Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets;
using Microsoft.AspNetCore.WebSockets;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Logging.Abstractions;
using Microsoft.Extensions.Options;
using Microsoft.Extensions.Primitives;
namespace Kestrel
{
class Context
{
public IFeatureCollection features;
public Context(IFeatureCollection features)
{
this.features = features;
}
}
class Application : IHttpApplication<Context>
{
private WebSocketMiddleware wsMiddleware;
public Application(ILoggerFactory loggerFactory)
{
var wsOptions = new WebSocketOptions();
wsMiddleware = new WebSocketMiddleware(continueRequest, new OptionsWrapper<WebSocketOptions>(wsOptions),
loggerFactory);
}
public Context CreateContext(IFeatureCollection contextFeatures)
{
return new Context(contextFeatures);
}
public void DisposeContext(Context context, Exception exception)
{
}
public async Task ProcessRequestAsync(Context context)
{
HttpContext httpContext = new DefaultHttpContext(context.features);
await wsMiddleware.Invoke(httpContext);
}
private async Task continueRequest(HttpContext httpContext)
{
if (httpContext.WebSockets.IsWebSocketRequest)
{
var socket = await httpContext.WebSockets.AcceptWebSocketAsync();
var message = Encoding.ASCII.GetBytes("hello world");
await socket.SendAsync(new ArraySegment<byte>(message), WebSocketMessageType.Text, true,
CancellationToken.None);
await socket.ReceiveAsync(new byte[4096], CancellationToken.None);
}
else
{
httpContext.Response.Headers.Add("Content-Type", new StringValues("text/plain"));
await httpContext.Response.Body.WriteAsync(Encoding.ASCII.GetBytes("hello world"));
}
}
}
class Program
{
static async Task Main(string[] args)
{
var serverOptions = new KestrelServerOptions();
serverOptions.ListenAnyIP(8080);
var transportOptions = new SocketTransportOptions();
var loggerFactory = new NullLoggerFactory();
var transportFactory = new SocketTransportFactory(
new OptionsWrapper<SocketTransportOptions>(transportOptions), loggerFactory);
using (var server = new KestrelServer(new OptionsWrapper<KestrelServerOptions>(serverOptions),
transportFactory, loggerFactory))
{
await server.StartAsync(new Application(loggerFactory), CancellationToken.None);
Console.ReadLine();
}
}
}
}