869 lines
33 KiB
C#
869 lines
33 KiB
C#
// Copyright (c) .NET Foundation. All rights reserved.
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// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
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using System;
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using System.Buffers;
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using System.Collections.Concurrent;
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using System.Collections.Generic;
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using System.IO;
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using System.IO.Pipelines;
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using System.Linq;
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using System.Reflection;
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using System.Threading;
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using System.Threading.Tasks;
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using Microsoft.AspNetCore.Http;
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using Microsoft.AspNetCore.Http.Features;
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using Microsoft.AspNetCore.Server.Kestrel.Core.Features;
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using Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http;
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using Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http2;
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using Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http2.HPack;
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using Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Infrastructure;
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using Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions.Internal;
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using Microsoft.AspNetCore.Testing;
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using Microsoft.AspNetCore.Connections;
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using Microsoft.Net.Http.Headers;
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using Moq;
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using Xunit;
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using Xunit.Abstractions;
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namespace Microsoft.AspNetCore.Server.Kestrel.Core.Tests
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{
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public class Http2TestBase : TestApplicationErrorLoggerLoggedTest, IDisposable, IHttpHeadersHandler
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{
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protected static readonly string _largeHeaderValue = new string('a', HPackDecoder.MaxStringOctets);
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protected static readonly IEnumerable<KeyValuePair<string, string>> _browserRequestHeaders = new[]
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{
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new KeyValuePair<string, string>(HeaderNames.Method, "GET"),
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new KeyValuePair<string, string>(HeaderNames.Path, "/"),
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new KeyValuePair<string, string>(HeaderNames.Scheme, "http"),
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new KeyValuePair<string, string>(HeaderNames.Authority, "localhost:80"),
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new KeyValuePair<string, string>("user-agent", "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:54.0) Gecko/20100101 Firefox/54.0"),
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new KeyValuePair<string, string>("accept", "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8"),
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new KeyValuePair<string, string>("accept-language", "en-US,en;q=0.5"),
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new KeyValuePair<string, string>("accept-encoding", "gzip, deflate, br"),
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new KeyValuePair<string, string>("upgrade-insecure-requests", "1"),
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};
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private readonly MemoryPool<byte> _memoryPool = KestrelMemoryPool.Create();
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internal readonly DuplexPipe.DuplexPipePair _pair;
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protected readonly Http2PeerSettings _clientSettings = new Http2PeerSettings();
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protected readonly HPackEncoder _hpackEncoder = new HPackEncoder();
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protected readonly HPackDecoder _hpackDecoder;
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protected readonly ConcurrentDictionary<int, TaskCompletionSource<object>> _runningStreams = new ConcurrentDictionary<int, TaskCompletionSource<object>>();
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protected readonly Dictionary<string, string> _receivedHeaders = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
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protected readonly Dictionary<string, string> _decodedHeaders = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
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protected readonly HashSet<int> _abortedStreamIds = new HashSet<int>();
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protected readonly object _abortedStreamIdsLock = new object();
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protected readonly TaskCompletionSource<object> _closingStateReached = new TaskCompletionSource<object>(TaskCreationOptions.RunContinuationsAsynchronously);
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protected readonly TaskCompletionSource<object> _closedStateReached = new TaskCompletionSource<object>(TaskCreationOptions.RunContinuationsAsynchronously);
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protected readonly RequestDelegate _noopApplication;
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protected readonly RequestDelegate _readHeadersApplication;
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protected readonly RequestDelegate _readTrailersApplication;
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protected readonly RequestDelegate _bufferingApplication;
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protected readonly RequestDelegate _echoApplication;
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protected readonly RequestDelegate _echoWaitForAbortApplication;
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protected readonly RequestDelegate _largeHeadersApplication;
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protected readonly RequestDelegate _waitForAbortApplication;
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protected readonly RequestDelegate _waitForAbortFlushingApplication;
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protected readonly RequestDelegate _waitForAbortWithDataApplication;
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protected readonly RequestDelegate _echoMethod;
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protected readonly RequestDelegate _echoHost;
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protected readonly RequestDelegate _echoPath;
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protected Http2ConnectionContext _connectionContext;
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protected Http2Connection _connection;
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protected Task _connectionTask;
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public Http2TestBase()
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{
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// Always dispatch test code back to the ThreadPool. This prevents deadlocks caused by continuing
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// Http2Connection.ProcessRequestsAsync() loop with writer locks acquired. Run product code inline to make
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// it easier to verify request frames are processed correctly immediately after sending the them.
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var inputPipeOptions = new PipeOptions(
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pool: _memoryPool,
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readerScheduler: PipeScheduler.Inline,
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writerScheduler: PipeScheduler.ThreadPool,
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useSynchronizationContext: false
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);
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var outputPipeOptions = new PipeOptions(
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pool: _memoryPool,
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readerScheduler: PipeScheduler.ThreadPool,
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writerScheduler: PipeScheduler.Inline,
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useSynchronizationContext: false
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);
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_pair = DuplexPipe.CreateConnectionPair(inputPipeOptions, outputPipeOptions);
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_hpackDecoder = new HPackDecoder((int)_clientSettings.HeaderTableSize);
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_noopApplication = context => Task.CompletedTask;
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_readHeadersApplication = context =>
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{
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foreach (var header in context.Request.Headers)
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{
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_receivedHeaders[header.Key] = header.Value.ToString();
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}
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return Task.CompletedTask;
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};
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_readTrailersApplication = async context =>
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{
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using (var ms = new MemoryStream())
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{
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// Consuming the entire request body guarantees trailers will be available
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await context.Request.Body.CopyToAsync(ms);
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}
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foreach (var header in context.Request.Headers)
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{
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_receivedHeaders[header.Key] = header.Value.ToString();
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}
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};
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_bufferingApplication = async context =>
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{
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var data = new List<byte>();
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var buffer = new byte[1024];
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var received = 0;
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while ((received = await context.Request.Body.ReadAsync(buffer, 0, buffer.Length)) > 0)
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{
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data.AddRange(new ArraySegment<byte>(buffer, 0, received));
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}
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await context.Response.Body.WriteAsync(data.ToArray(), 0, data.Count);
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};
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_echoApplication = async context =>
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{
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var buffer = new byte[Http2Frame.MinAllowedMaxFrameSize];
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var received = 0;
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while ((received = await context.Request.Body.ReadAsync(buffer, 0, buffer.Length)) > 0)
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{
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await context.Response.Body.WriteAsync(buffer, 0, received);
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}
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};
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_echoWaitForAbortApplication = async context =>
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{
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var buffer = new byte[Http2Frame.MinAllowedMaxFrameSize];
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var received = 0;
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while ((received = await context.Request.Body.ReadAsync(buffer, 0, buffer.Length)) > 0)
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{
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await context.Response.Body.WriteAsync(buffer, 0, received);
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}
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var sem = new SemaphoreSlim(0);
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context.RequestAborted.Register(() =>
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{
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sem.Release();
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});
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await sem.WaitAsync().DefaultTimeout();
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};
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_largeHeadersApplication = context =>
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{
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foreach (var name in new[] { "a", "b", "c", "d", "e", "f", "g", "h" })
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{
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context.Response.Headers[name] = _largeHeaderValue;
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}
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return Task.CompletedTask;
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};
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_waitForAbortApplication = async context =>
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{
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var streamIdFeature = context.Features.Get<IHttp2StreamIdFeature>();
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var sem = new SemaphoreSlim(0);
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context.RequestAborted.Register(() =>
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{
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lock (_abortedStreamIdsLock)
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{
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_abortedStreamIds.Add(streamIdFeature.StreamId);
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}
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sem.Release();
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});
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await sem.WaitAsync().DefaultTimeout();
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_runningStreams[streamIdFeature.StreamId].TrySetResult(null);
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};
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_waitForAbortFlushingApplication = async context =>
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{
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var streamIdFeature = context.Features.Get<IHttp2StreamIdFeature>();
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var sem = new SemaphoreSlim(0);
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context.RequestAborted.Register(() =>
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{
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lock (_abortedStreamIdsLock)
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{
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_abortedStreamIds.Add(streamIdFeature.StreamId);
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}
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sem.Release();
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});
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await sem.WaitAsync().DefaultTimeout();
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await context.Response.Body.FlushAsync();
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_runningStreams[streamIdFeature.StreamId].TrySetResult(null);
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};
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_waitForAbortWithDataApplication = async context =>
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{
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var streamIdFeature = context.Features.Get<IHttp2StreamIdFeature>();
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var sem = new SemaphoreSlim(0);
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context.RequestAborted.Register(() =>
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{
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lock (_abortedStreamIdsLock)
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{
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_abortedStreamIds.Add(streamIdFeature.StreamId);
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}
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sem.Release();
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});
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await sem.WaitAsync().DefaultTimeout();
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await context.Response.Body.WriteAsync(new byte[10], 0, 10);
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_runningStreams[streamIdFeature.StreamId].TrySetResult(null);
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};
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_echoMethod = context =>
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{
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context.Response.Headers["Method"] = context.Request.Method;
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return Task.CompletedTask;
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};
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_echoHost = context =>
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{
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context.Response.Headers[HeaderNames.Host] = context.Request.Headers[HeaderNames.Host];
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return Task.CompletedTask;
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};
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_echoPath = context =>
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{
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context.Response.Headers["path"] = context.Request.Path.ToString();
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context.Response.Headers["rawtarget"] = context.Features.Get<IHttpRequestFeature>().RawTarget;
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return Task.CompletedTask;
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};
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}
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public override void Initialize(MethodInfo methodInfo, object[] testMethodArguments, ITestOutputHelper testOutputHelper)
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{
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base.Initialize(methodInfo, testMethodArguments, testOutputHelper);
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var mockKestrelTrace = new Mock<IKestrelTrace>();
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mockKestrelTrace
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.Setup(m => m.Http2ConnectionClosing(It.IsAny<string>()))
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.Callback(() => _closingStateReached.SetResult(null));
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mockKestrelTrace
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.Setup(m => m.Http2ConnectionClosed(It.IsAny<string>(), It.IsAny<int>()))
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.Callback(() => _closedStateReached.SetResult(null));
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_connectionContext = new Http2ConnectionContext
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{
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ConnectionContext = Mock.Of<ConnectionContext>(),
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ConnectionFeatures = new FeatureCollection(),
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ServiceContext = new TestServiceContext(LoggerFactory, mockKestrelTrace.Object),
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MemoryPool = _memoryPool,
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Transport = _pair.Transport
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};
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_connection = new Http2Connection(_connectionContext);
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}
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public override void Dispose()
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{
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_pair.Application.Input.Complete();
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_pair.Application.Output.Complete();
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_pair.Transport.Input.Complete();
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_pair.Transport.Output.Complete();
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_memoryPool.Dispose();
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base.Dispose();
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}
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void IHttpHeadersHandler.OnHeader(Span<byte> name, Span<byte> value)
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{
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_decodedHeaders[name.GetAsciiStringNonNullCharacters()] = value.GetAsciiStringNonNullCharacters();
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}
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protected async Task InitializeConnectionAsync(RequestDelegate application)
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{
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_connectionTask = _connection.ProcessRequestsAsync(new DummyApplication(application));
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await SendPreambleAsync().ConfigureAwait(false);
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await SendSettingsAsync();
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await ExpectAsync(Http2FrameType.SETTINGS,
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withLength: 6,
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withFlags: 0,
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withStreamId: 0);
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await ExpectAsync(Http2FrameType.SETTINGS,
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withLength: 0,
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withFlags: (byte)Http2SettingsFrameFlags.ACK,
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withStreamId: 0);
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}
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protected async Task StartStreamAsync(int streamId, IEnumerable<KeyValuePair<string, string>> headers, bool endStream)
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{
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var tcs = new TaskCompletionSource<object>(TaskCreationOptions.RunContinuationsAsynchronously);
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_runningStreams[streamId] = tcs;
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var frame = new Http2Frame();
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frame.PrepareHeaders(Http2HeadersFrameFlags.NONE, streamId);
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var done = _hpackEncoder.BeginEncode(headers, frame.HeadersPayload, out var length);
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frame.PayloadLength = length;
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if (done)
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{
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frame.HeadersFlags = Http2HeadersFrameFlags.END_HEADERS;
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}
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if (endStream)
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{
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frame.HeadersFlags |= Http2HeadersFrameFlags.END_STREAM;
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}
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await SendAsync(frame.Raw);
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while (!done)
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{
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frame.PrepareContinuation(Http2ContinuationFrameFlags.NONE, streamId);
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done = _hpackEncoder.Encode(frame.HeadersPayload, out length);
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frame.PayloadLength = length;
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if (done)
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{
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frame.ContinuationFlags = Http2ContinuationFrameFlags.END_HEADERS;
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}
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await SendAsync(frame.Raw);
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}
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}
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protected async Task SendHeadersWithPaddingAsync(int streamId, IEnumerable<KeyValuePair<string, string>> headers, byte padLength, bool endStream)
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{
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var tcs = new TaskCompletionSource<object>(TaskCreationOptions.RunContinuationsAsynchronously);
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_runningStreams[streamId] = tcs;
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var frame = new Http2Frame();
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frame.PrepareHeaders(Http2HeadersFrameFlags.END_HEADERS | Http2HeadersFrameFlags.PADDED, streamId);
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frame.HeadersPadLength = padLength;
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_hpackEncoder.BeginEncode(headers, frame.HeadersPayload, out var length);
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frame.PayloadLength = 1 + length + padLength;
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frame.Payload.Slice(1 + length).Fill(0);
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if (endStream)
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{
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frame.HeadersFlags |= Http2HeadersFrameFlags.END_STREAM;
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}
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await SendAsync(frame.Raw);
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}
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protected async Task SendHeadersWithPriorityAsync(int streamId, IEnumerable<KeyValuePair<string, string>> headers, byte priority, int streamDependency, bool endStream)
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{
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var tcs = new TaskCompletionSource<object>(TaskCreationOptions.RunContinuationsAsynchronously);
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_runningStreams[streamId] = tcs;
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var frame = new Http2Frame();
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frame.PrepareHeaders(Http2HeadersFrameFlags.END_HEADERS | Http2HeadersFrameFlags.PRIORITY, streamId);
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frame.HeadersPriorityWeight = priority;
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frame.HeadersStreamDependency = streamDependency;
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_hpackEncoder.BeginEncode(headers, frame.HeadersPayload, out var length);
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frame.PayloadLength = 5 + length;
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if (endStream)
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{
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frame.HeadersFlags |= Http2HeadersFrameFlags.END_STREAM;
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}
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await SendAsync(frame.Raw);
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}
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protected async Task SendHeadersWithPaddingAndPriorityAsync(int streamId, IEnumerable<KeyValuePair<string, string>> headers, byte padLength, byte priority, int streamDependency, bool endStream)
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{
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var tcs = new TaskCompletionSource<object>(TaskCreationOptions.RunContinuationsAsynchronously);
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_runningStreams[streamId] = tcs;
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var frame = new Http2Frame();
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frame.PrepareHeaders(Http2HeadersFrameFlags.END_HEADERS | Http2HeadersFrameFlags.PADDED | Http2HeadersFrameFlags.PRIORITY, streamId);
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frame.HeadersPadLength = padLength;
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frame.HeadersPriorityWeight = priority;
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frame.HeadersStreamDependency = streamDependency;
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_hpackEncoder.BeginEncode(headers, frame.HeadersPayload, out var length);
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frame.PayloadLength = 6 + length + padLength;
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frame.Payload.Slice(6 + length).Fill(0);
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if (endStream)
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{
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frame.HeadersFlags |= Http2HeadersFrameFlags.END_STREAM;
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}
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await SendAsync(frame.Raw);
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}
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protected Task WaitForAllStreamsAsync()
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{
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return Task.WhenAll(_runningStreams.Values.Select(tcs => tcs.Task)).DefaultTimeout();
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}
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protected Task SendAsync(ReadOnlySpan<byte> span)
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{
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var writableBuffer = _pair.Application.Output;
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writableBuffer.Write(span);
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return FlushAsync(writableBuffer);
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}
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protected static async Task FlushAsync(PipeWriter writableBuffer)
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{
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await writableBuffer.FlushAsync();
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}
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protected Task SendPreambleAsync() => SendAsync(new ArraySegment<byte>(Http2Connection.ClientPreface));
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protected Task SendSettingsAsync()
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{
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var frame = new Http2Frame();
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frame.PrepareSettings(Http2SettingsFrameFlags.NONE, _clientSettings.GetNonProtocolDefaults());
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return SendAsync(frame.Raw);
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}
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protected Task SendSettingsAckWithInvalidLengthAsync(int length)
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{
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var frame = new Http2Frame();
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frame.PrepareSettings(Http2SettingsFrameFlags.ACK);
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frame.PayloadLength = length;
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return SendAsync(frame.Raw);
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}
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protected Task SendSettingsWithInvalidStreamIdAsync(int streamId)
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{
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var frame = new Http2Frame();
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frame.PrepareSettings(Http2SettingsFrameFlags.NONE, _clientSettings.GetNonProtocolDefaults());
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frame.StreamId = streamId;
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return SendAsync(frame.Raw);
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}
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protected Task SendSettingsWithInvalidLengthAsync(int length)
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{
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var frame = new Http2Frame();
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frame.PrepareSettings(Http2SettingsFrameFlags.NONE, _clientSettings.GetNonProtocolDefaults());
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frame.PayloadLength = length;
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return SendAsync(frame.Raw);
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}
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protected Task SendSettingsWithInvalidParameterValueAsync(Http2SettingsParameter parameter, uint value)
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{
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var frame = new Http2Frame();
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frame.PrepareSettings(Http2SettingsFrameFlags.NONE);
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frame.PayloadLength = 6;
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frame.Payload[0] = (byte)((ushort)parameter >> 8);
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frame.Payload[1] = (byte)(ushort)parameter;
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frame.Payload[2] = (byte)(value >> 24);
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frame.Payload[3] = (byte)(value >> 16);
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frame.Payload[4] = (byte)(value >> 8);
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frame.Payload[5] = (byte)value;
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return SendAsync(frame.Raw);
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}
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protected Task SendPushPromiseFrameAsync()
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{
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var frame = new Http2Frame();
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frame.PayloadLength = 0;
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frame.Type = Http2FrameType.PUSH_PROMISE;
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frame.StreamId = 1;
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return SendAsync(frame.Raw);
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}
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protected async Task<bool> SendHeadersAsync(int streamId, Http2HeadersFrameFlags flags, IEnumerable<KeyValuePair<string, string>> headers)
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{
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var frame = new Http2Frame();
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frame.PrepareHeaders(flags, streamId);
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var done = _hpackEncoder.BeginEncode(headers, frame.Payload, out var length);
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frame.PayloadLength = length;
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await SendAsync(frame.Raw);
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return done;
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}
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protected Task SendHeadersAsync(int streamId, Http2HeadersFrameFlags flags, byte[] headerBlock)
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{
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var frame = new Http2Frame();
|
|
|
|
frame.PrepareHeaders(flags, streamId);
|
|
frame.PayloadLength = headerBlock.Length;
|
|
headerBlock.CopyTo(frame.HeadersPayload);
|
|
|
|
return SendAsync(frame.Raw);
|
|
}
|
|
|
|
protected Task SendInvalidHeadersFrameAsync(int streamId, int payloadLength, byte padLength)
|
|
{
|
|
Assert.True(padLength >= payloadLength, $"{nameof(padLength)} must be greater than or equal to {nameof(payloadLength)} to create an invalid frame.");
|
|
|
|
var frame = new Http2Frame();
|
|
|
|
frame.PrepareHeaders(Http2HeadersFrameFlags.PADDED, streamId);
|
|
frame.Payload[0] = padLength;
|
|
|
|
// Set length last so .Payload can be written to
|
|
frame.PayloadLength = payloadLength;
|
|
|
|
return SendAsync(frame.Raw);
|
|
}
|
|
|
|
protected Task SendIncompleteHeadersFrameAsync(int streamId)
|
|
{
|
|
var frame = new Http2Frame();
|
|
|
|
frame.PrepareHeaders(Http2HeadersFrameFlags.END_HEADERS, streamId);
|
|
frame.PayloadLength = 3;
|
|
|
|
// Set up an incomplete Literal Header Field w/ Incremental Indexing frame,
|
|
// with an incomplete new name
|
|
frame.Payload[0] = 0;
|
|
frame.Payload[1] = 2;
|
|
frame.Payload[2] = (byte)'a';
|
|
|
|
return SendAsync(frame.Raw);
|
|
}
|
|
|
|
protected async Task<bool> SendContinuationAsync(int streamId, Http2ContinuationFrameFlags flags)
|
|
{
|
|
var frame = new Http2Frame();
|
|
|
|
frame.PrepareContinuation(flags, streamId);
|
|
var done = _hpackEncoder.Encode(frame.Payload, out var length);
|
|
frame.PayloadLength = length;
|
|
|
|
await SendAsync(frame.Raw);
|
|
|
|
return done;
|
|
}
|
|
|
|
protected async Task SendContinuationAsync(int streamId, Http2ContinuationFrameFlags flags, byte[] payload)
|
|
{
|
|
var frame = new Http2Frame();
|
|
|
|
frame.PrepareContinuation(flags, streamId);
|
|
frame.PayloadLength = payload.Length;
|
|
payload.CopyTo(frame.Payload);
|
|
|
|
await SendAsync(frame.Raw);
|
|
}
|
|
|
|
protected Task SendEmptyContinuationFrameAsync(int streamId, Http2ContinuationFrameFlags flags)
|
|
{
|
|
var frame = new Http2Frame();
|
|
|
|
frame.PrepareContinuation(flags, streamId);
|
|
frame.PayloadLength = 0;
|
|
|
|
return SendAsync(frame.Raw);
|
|
}
|
|
|
|
protected Task SendIncompleteContinuationFrameAsync(int streamId)
|
|
{
|
|
var frame = new Http2Frame();
|
|
|
|
frame.PrepareContinuation(Http2ContinuationFrameFlags.END_HEADERS, streamId);
|
|
frame.PayloadLength = 3;
|
|
|
|
// Set up an incomplete Literal Header Field w/ Incremental Indexing frame,
|
|
// with an incomplete new name
|
|
frame.Payload[0] = 0;
|
|
frame.Payload[1] = 2;
|
|
frame.Payload[2] = (byte)'a';
|
|
|
|
return SendAsync(frame.Raw);
|
|
}
|
|
|
|
protected Task SendDataAsync(int streamId, Span<byte> data, bool endStream)
|
|
{
|
|
var frame = new Http2Frame();
|
|
|
|
frame.PrepareData(streamId);
|
|
frame.PayloadLength = data.Length;
|
|
frame.DataFlags = endStream ? Http2DataFrameFlags.END_STREAM : Http2DataFrameFlags.NONE;
|
|
data.CopyTo(frame.DataPayload);
|
|
|
|
return SendAsync(frame.Raw);
|
|
}
|
|
|
|
protected Task SendDataWithPaddingAsync(int streamId, Span<byte> data, byte padLength, bool endStream)
|
|
{
|
|
var frame = new Http2Frame();
|
|
|
|
frame.PrepareData(streamId, padLength);
|
|
frame.PayloadLength = data.Length + 1 + padLength;
|
|
data.CopyTo(frame.DataPayload);
|
|
|
|
if (endStream)
|
|
{
|
|
frame.DataFlags |= Http2DataFrameFlags.END_STREAM;
|
|
}
|
|
|
|
return SendAsync(frame.Raw);
|
|
}
|
|
|
|
protected Task SendInvalidDataFrameAsync(int streamId, int frameLength, byte padLength)
|
|
{
|
|
Assert.True(padLength >= frameLength, $"{nameof(padLength)} must be greater than or equal to {nameof(frameLength)} to create an invalid frame.");
|
|
|
|
var frame = new Http2Frame();
|
|
|
|
frame.PrepareData(streamId);
|
|
frame.DataFlags = Http2DataFrameFlags.PADDED;
|
|
frame.Payload[0] = padLength;
|
|
|
|
// Set length last so .Payload can be written to
|
|
frame.PayloadLength = frameLength;
|
|
|
|
return SendAsync(frame.Raw);
|
|
}
|
|
|
|
protected Task SendPingAsync(Http2PingFrameFlags flags)
|
|
{
|
|
var pingFrame = new Http2Frame();
|
|
pingFrame.PreparePing(flags);
|
|
return SendAsync(pingFrame.Raw);
|
|
}
|
|
|
|
protected Task SendPingWithInvalidLengthAsync(int length)
|
|
{
|
|
var pingFrame = new Http2Frame();
|
|
pingFrame.PreparePing(Http2PingFrameFlags.NONE);
|
|
pingFrame.PayloadLength = length;
|
|
return SendAsync(pingFrame.Raw);
|
|
}
|
|
|
|
protected Task SendPingWithInvalidStreamIdAsync(int streamId)
|
|
{
|
|
Assert.NotEqual(0, streamId);
|
|
|
|
var pingFrame = new Http2Frame();
|
|
pingFrame.PreparePing(Http2PingFrameFlags.NONE);
|
|
pingFrame.StreamId = streamId;
|
|
return SendAsync(pingFrame.Raw);
|
|
}
|
|
|
|
protected Task SendPriorityAsync(int streamId, int streamDependency = 0)
|
|
{
|
|
var priorityFrame = new Http2Frame();
|
|
priorityFrame.PreparePriority(streamId, streamDependency: streamDependency, exclusive: false, weight: 0);
|
|
return SendAsync(priorityFrame.Raw);
|
|
}
|
|
|
|
protected Task SendInvalidPriorityFrameAsync(int streamId, int length)
|
|
{
|
|
var priorityFrame = new Http2Frame();
|
|
priorityFrame.PreparePriority(streamId, streamDependency: 0, exclusive: false, weight: 0);
|
|
priorityFrame.PayloadLength = length;
|
|
return SendAsync(priorityFrame.Raw);
|
|
}
|
|
|
|
protected Task SendRstStreamAsync(int streamId)
|
|
{
|
|
var rstStreamFrame = new Http2Frame();
|
|
rstStreamFrame.PrepareRstStream(streamId, Http2ErrorCode.CANCEL);
|
|
return SendAsync(rstStreamFrame.Raw);
|
|
}
|
|
|
|
protected Task SendInvalidRstStreamFrameAsync(int streamId, int length)
|
|
{
|
|
var frame = new Http2Frame();
|
|
frame.PrepareRstStream(streamId, Http2ErrorCode.CANCEL);
|
|
frame.PayloadLength = length;
|
|
return SendAsync(frame.Raw);
|
|
}
|
|
|
|
protected Task SendGoAwayAsync()
|
|
{
|
|
var frame = new Http2Frame();
|
|
frame.PrepareGoAway(0, Http2ErrorCode.NO_ERROR);
|
|
return SendAsync(frame.Raw);
|
|
}
|
|
|
|
protected Task SendInvalidGoAwayFrameAsync()
|
|
{
|
|
var frame = new Http2Frame();
|
|
frame.PrepareGoAway(0, Http2ErrorCode.NO_ERROR);
|
|
frame.StreamId = 1;
|
|
return SendAsync(frame.Raw);
|
|
}
|
|
|
|
protected Task SendWindowUpdateAsync(int streamId, int sizeIncrement)
|
|
{
|
|
var frame = new Http2Frame();
|
|
frame.PrepareWindowUpdate(streamId, sizeIncrement);
|
|
return SendAsync(frame.Raw);
|
|
}
|
|
|
|
protected Task SendInvalidWindowUpdateAsync(int streamId, int sizeIncrement, int length)
|
|
{
|
|
var frame = new Http2Frame();
|
|
frame.PrepareWindowUpdate(streamId, sizeIncrement);
|
|
frame.PayloadLength = length;
|
|
return SendAsync(frame.Raw);
|
|
}
|
|
|
|
protected Task SendUnknownFrameTypeAsync(int streamId, int frameType)
|
|
{
|
|
var frame = new Http2Frame();
|
|
frame.StreamId = streamId;
|
|
frame.Type = (Http2FrameType)frameType;
|
|
frame.PayloadLength = 0;
|
|
return SendAsync(frame.Raw);
|
|
}
|
|
|
|
protected async Task<Http2Frame> ReceiveFrameAsync()
|
|
{
|
|
var frame = new Http2Frame();
|
|
|
|
while (true)
|
|
{
|
|
var result = await _pair.Application.Input.ReadAsync().AsTask().DefaultTimeout();
|
|
var buffer = result.Buffer;
|
|
var consumed = buffer.Start;
|
|
var examined = buffer.End;
|
|
|
|
try
|
|
{
|
|
Assert.True(buffer.Length > 0);
|
|
|
|
if (Http2FrameReader.ReadFrame(buffer, frame, 16_384, out consumed, out examined))
|
|
{
|
|
return frame;
|
|
}
|
|
|
|
if (result.IsCompleted)
|
|
{
|
|
throw new IOException("The reader completed without returning a frame.");
|
|
}
|
|
}
|
|
finally
|
|
{
|
|
_pair.Application.Input.AdvanceTo(consumed, examined);
|
|
}
|
|
}
|
|
}
|
|
|
|
protected async Task<Http2Frame> ExpectAsync(Http2FrameType type, int withLength, byte withFlags, int withStreamId)
|
|
{
|
|
var frame = await ReceiveFrameAsync();
|
|
|
|
Assert.Equal(type, frame.Type);
|
|
Assert.Equal(withLength, frame.PayloadLength);
|
|
Assert.Equal(withFlags, frame.Flags);
|
|
Assert.Equal(withStreamId, frame.StreamId);
|
|
|
|
return frame;
|
|
}
|
|
|
|
protected Task StopConnectionAsync(int expectedLastStreamId, bool ignoreNonGoAwayFrames)
|
|
{
|
|
_pair.Application.Output.Complete();
|
|
|
|
return WaitForConnectionStopAsync(expectedLastStreamId, ignoreNonGoAwayFrames);
|
|
}
|
|
|
|
protected Task WaitForConnectionStopAsync(int expectedLastStreamId, bool ignoreNonGoAwayFrames)
|
|
{
|
|
return WaitForConnectionErrorAsync<Exception>(ignoreNonGoAwayFrames, expectedLastStreamId, Http2ErrorCode.NO_ERROR, expectedErrorMessage: null);
|
|
}
|
|
|
|
protected void VerifyGoAway(Http2Frame frame, int expectedLastStreamId, Http2ErrorCode expectedErrorCode)
|
|
{
|
|
Assert.Equal(Http2FrameType.GOAWAY, frame.Type);
|
|
Assert.Equal(8, frame.PayloadLength);
|
|
Assert.Equal(0, frame.Flags);
|
|
Assert.Equal(0, frame.StreamId);
|
|
Assert.Equal(expectedLastStreamId, frame.GoAwayLastStreamId);
|
|
Assert.Equal(expectedErrorCode, frame.GoAwayErrorCode);
|
|
}
|
|
|
|
protected async Task WaitForConnectionErrorAsync<TException>(bool ignoreNonGoAwayFrames, int expectedLastStreamId, Http2ErrorCode expectedErrorCode, string expectedErrorMessage)
|
|
where TException : Exception
|
|
{
|
|
var frame = await ReceiveFrameAsync();
|
|
|
|
if (ignoreNonGoAwayFrames)
|
|
{
|
|
while (frame.Type != Http2FrameType.GOAWAY)
|
|
{
|
|
frame = await ReceiveFrameAsync();
|
|
}
|
|
}
|
|
|
|
VerifyGoAway(frame, expectedLastStreamId, expectedErrorCode);
|
|
|
|
if (expectedErrorMessage != null)
|
|
{
|
|
var message = Assert.Single(TestApplicationErrorLogger.Messages, m => m.Exception is TException);
|
|
Assert.Contains(expectedErrorMessage, message.Exception.Message);
|
|
}
|
|
|
|
await _connectionTask;
|
|
_pair.Application.Output.Complete();
|
|
}
|
|
|
|
protected async Task WaitForStreamErrorAsync(int expectedStreamId, Http2ErrorCode expectedErrorCode, string expectedErrorMessage)
|
|
{
|
|
var frame = await ReceiveFrameAsync();
|
|
|
|
Assert.Equal(Http2FrameType.RST_STREAM, frame.Type);
|
|
Assert.Equal(4, frame.PayloadLength);
|
|
Assert.Equal(0, frame.Flags);
|
|
Assert.Equal(expectedStreamId, frame.StreamId);
|
|
Assert.Equal(expectedErrorCode, frame.RstStreamErrorCode);
|
|
|
|
if (expectedErrorMessage != null)
|
|
{
|
|
Assert.Contains(TestApplicationErrorLogger.Messages, m => m.Exception?.Message.Contains(expectedErrorMessage) ?? false);
|
|
}
|
|
}
|
|
|
|
protected void VerifyDecodedRequestHeaders(IEnumerable<KeyValuePair<string, string>> expectedHeaders)
|
|
{
|
|
foreach (var header in expectedHeaders)
|
|
{
|
|
Assert.True(_receivedHeaders.TryGetValue(header.Key, out var value), header.Key);
|
|
Assert.Equal(header.Value, value, ignoreCase: true);
|
|
}
|
|
}
|
|
}
|
|
}
|