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

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@@ -1,16 +1,7 @@
<Project Sdk="Microsoft.NET.Sdk"> <Project Sdk="Microsoft.NET.Sdk.Web">
<PropertyGroup> <PropertyGroup>
<OutputType>Exe</OutputType> <TargetFramework>net6.0</TargetFramework>
<TargetFramework>netcoreapp2.1</TargetFramework>
<LangVersion>7.1</LangVersion>
</PropertyGroup> </PropertyGroup>
<ItemGroup> </Project>
<PackageReference Include="Microsoft.AspNetCore.Server.Kestrel" Version="2.1.3" />
<PackageReference Include="Microsoft.AspNetCore.Server.Kestrel.Core" Version="2.1.7" />
<PackageReference Include="Microsoft.AspNetCore.Server.Kestrel.Transport.Libuv" Version="2.1.3" />
<PackageReference Include="Microsoft.AspNetCore.WebSockets" Version="2.1.7" />
</ItemGroup>
</Project>