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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System;
using System.Buffers;
using System.Collections.Generic;
using System.Diagnostics;
using System.Globalization;
using System.Linq;
using System.Net;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Connections;
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.InternalTesting;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Xunit;
namespace Microsoft.AspNetCore.Server.Kestrel.InMemory.FunctionalTests.TestTransport;
/// <summary>
/// In-memory TestServer
/// </summary
internal class TestServer : IAsyncDisposable, IStartup
{
private readonly MemoryPool<byte> _memoryPool;
private readonly RequestDelegate _app;
private readonly InMemoryTransportFactory _transportFactory;
private readonly IHost _host;
public TestServer(RequestDelegate app)
: this(app, new TestServiceContext())
{
}
public TestServer(RequestDelegate app, TestServiceContext context)
: this(app, context, new ListenOptions(new IPEndPoint(IPAddress.Loopback, 0)))
{
// The endpoint is ignored, but this ensures no cert loading happens for HTTPS endpoints.
}
public TestServer(RequestDelegate app, TestServiceContext context, ListenOptions listenOptions)
: this(app, context, options => options.CodeBackedListenOptions.Add(listenOptions), _ => { })
{
}
public TestServer(RequestDelegate app, TestServiceContext context, Action<ListenOptions> configureListenOptions)
: this(app, context, options =>
{
var listenOptions = new ListenOptions(new IPEndPoint(IPAddress.Loopback, 0))
{
KestrelServerOptions = options
};
configureListenOptions(listenOptions);
options.CodeBackedListenOptions.Add(listenOptions);
},
_ => { })
{
}
public TestServer(RequestDelegate app, TestServiceContext context, Action<KestrelServerOptions> configureKestrel, Action<IServiceCollection> configureServices)
{
_app = app;
Context = context;
_memoryPool = context.MemoryPoolFactory();
_transportFactory = new InMemoryTransportFactory();
HttpClientSlim = new InMemoryHttpClientSlim(this);
var hostBuilder = new HostBuilder()
.ConfigureWebHost(webHostBuilder =>
{
webHostBuilder
.UseSetting(WebHostDefaults.ShutdownTimeoutKey, context.ShutdownTimeout.TotalSeconds.ToString(CultureInfo.InvariantCulture))
.Configure(app => { app.Run(_app); });
})
.ConfigureServices(services =>
{
configureServices(services);
services.AddSingleton<IStartup>(this);
services.AddSingleton(context.LoggerFactory);
services.AddSingleton(context.Metrics);
services.AddSingleton<IHttpsConfigurationService, HttpsConfigurationService>();
services.AddSingleton<HttpsConfigurationService.IInitializer, HttpsConfigurationService.Initializer>();
services.AddSingleton<IServer>(sp =>
{
context.ServerOptions.ApplicationServices = sp;
configureKestrel(context.ServerOptions);
return new KestrelServerImpl(
new IConnectionListenerFactory[] { _transportFactory },
sp.GetServices<IMultiplexedConnectionListenerFactory>(),
sp.GetRequiredService<IHttpsConfigurationService>(),
context);
});
});
_host = hostBuilder.Build();
_host.Start();
}
public int Port => 0;
public TestServiceContext Context { get; }
public InMemoryHttpClientSlim HttpClientSlim { get; }
public InMemoryConnection CreateConnection(Encoding encoding = null, Action<IFeatureCollection> featuresAction = null)
{
var transportConnection = new InMemoryTransportConnection(_memoryPool, Context.Log, Context.Scheduler);
featuresAction?.Invoke(transportConnection.Features);
_transportFactory.AddConnection(transportConnection);
return new InMemoryConnection(transportConnection, encoding);
}
public Task StopAsync(CancellationToken cancellationToken = default)
{
return _host.StopAsync(cancellationToken);
}
void IStartup.Configure(IApplicationBuilder app)
{
app.Run(_app);
}
IServiceProvider IStartup.ConfigureServices(IServiceCollection services)
{
return services.BuildServiceProvider();
}
public async ValueTask DisposeAsync()
{
await _host.StopAsync().ConfigureAwait(false);
// The concrete Host implements IAsyncDisposable
await ((IAsyncDisposable)_host).DisposeAsync().ConfigureAwait(false);
_memoryPool.Dispose();
}
}
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