public async Task AltSvc_ResponseFrame_UpgradeFrom20_Success()
{
using Http2LoopbackServer firstServer = Http2LoopbackServer.CreateServer();
using Http3LoopbackServer secondServer = new Http3LoopbackServer();
using HttpClient client = CreateHttpClient();
Task <HttpResponseMessage> firstResponseTask = client.GetAsync(firstServer.Address);
Task serverTask = Task.Run(async() =>
{
using Http2LoopbackConnection connection = await firstServer.EstablishConnectionAsync();
int streamId = await connection.ReadRequestHeaderAsync();
await connection.SendDefaultResponseHeadersAsync(streamId);
await connection.WriteFrameAsync(new AltSvcFrame("", $"h3=\"{secondServer.Address.IdnHost}:{secondServer.Address.Port}\"", streamId));
await connection.SendResponseDataAsync(streamId, Array.Empty <byte>(), true);
});
await new[] { firstResponseTask, serverTask }.WhenAllOrAnyFailed(30_000);
HttpResponseMessage firstResponse = firstResponseTask.Result;
Assert.True(firstResponse.IsSuccessStatusCode);
await AltSvc_Upgrade_Success(firstServer, secondServer, client);
}
public async Task Http2GetAsync_TrailingHeaders_NoData_EmptyResponseObserved()
{
using (Http2LoopbackServer server = Http2LoopbackServer.CreateServer())
using (HttpClient client = new HttpClient(CreateHttpClientHandler(useSocketsHttpHandler: true, useHttp2LoopbackServer: true)))
{
Task <HttpResponseMessage> sendTask = client.GetAsync(server.Address);
await server.EstablishConnectionAsync();
int streamId = await server.ReadRequestHeaderAsync();
// Response header.
await server.SendDefaultResponseHeadersAsync(streamId);
// No data.
// Response trailing headers
await server.SendResponseHeadersAsync(streamId, isTrailingHeader : true, headers : s_trailingHeaders);
HttpResponseMessage response = await sendTask;
Assert.Equal(HttpStatusCode.OK, response.StatusCode);
Assert.Equal <byte>(Array.Empty <byte>(), await response.Content.ReadAsByteArrayAsync());
Assert.Contains("amazingtrailer", response.TrailingHeaders.GetValues("MyCoolTrailerHeader"));
Assert.Contains("World", response.TrailingHeaders.GetValues("Hello"));
}
}
public async Task AltSvc_ResponseFrame_UpgradeFrom20_Success()
{
using Http2LoopbackServer firstServer = Http2LoopbackServer.CreateServer();
using Http3LoopbackServer secondServer = new Http3LoopbackServer();
using HttpClient client = CreateHttpClient(CreateHttpClientHandler(HttpVersion.Version30));
Task <HttpResponseMessage> firstResponseTask = client.GetAsync(firstServer.Address);
using (Http2LoopbackConnection connection = await firstServer.EstablishConnectionAsync())
{
int streamId = await connection.ReadRequestHeaderAsync();
await connection.SendDefaultResponseHeadersAsync(streamId);
await connection.WriteFrameAsync(new AltSvcFrame("", $"h3={secondServer.Address.IdnHost}:{secondServer.Address.Port}", streamId));
await connection.SendResponseDataAsync(streamId, Array.Empty <byte>(), true);
}
HttpResponseMessage firstResponse = await firstResponseTask;
Assert.True(firstResponse.IsSuccessStatusCode);
await AltSvc_Upgrade_Success(firstServer, secondServer, client);
}
public async Task AltSvc_ConnectionFrame_UpgradeFrom20_Success()
{
// [ActiveIssue("https://github.com/dotnet/runtime/issues/54050")]
if (UseQuicImplementationProvider == QuicImplementationProviders.Mock)
{
return;
}
using Http2LoopbackServer firstServer = Http2LoopbackServer.CreateServer();
using Http3LoopbackServer secondServer = CreateHttp3LoopbackServer();
using HttpClient client = CreateHttpClient(HttpVersion.Version20);
Task <HttpResponseMessage> firstResponseTask = client.GetAsync(firstServer.Address);
Task serverTask = Task.Run(async() =>
{
using Http2LoopbackConnection connection = await firstServer.EstablishConnectionAsync();
int streamId = await connection.ReadRequestHeaderAsync();
await connection.WriteFrameAsync(new AltSvcFrame($"https://{firstServer.Address.IdnHost}:{firstServer.Address.Port}", $"h3=\"{secondServer.Address.IdnHost}:{secondServer.Address.Port}\"", streamId: 0));
await connection.SendDefaultResponseAsync(streamId);
});
await new[] { firstResponseTask, serverTask }.WhenAllOrAnyFailed(30_000);
HttpResponseMessage firstResponse = firstResponseTask.Result;
Assert.True(firstResponse.IsSuccessStatusCode);
await AltSvc_Upgrade_Success(firstServer, secondServer, client);
}
public async Task Http2GetAsync_TrailerHeaders_TrailingHeaderNoBody()
{
using (Http2LoopbackServer server = Http2LoopbackServer.CreateServer())
using (HttpClient client = CreateHttpClient())
{
Task <HttpResponseMessage> sendTask = client.GetAsync(server.Address);
Http2LoopbackConnection connection = await server.EstablishConnectionAsync();
int streamId = await connection.ReadRequestHeaderAsync();
// Response header.
await connection.SendDefaultResponseHeadersAsync(streamId);
await connection.SendResponseHeadersAsync(streamId, endStream : true, isTrailingHeader : true, headers : TrailingHeaders);
HttpResponseMessage response = await sendTask;
Assert.Equal(HttpStatusCode.OK, response.StatusCode);
var trailingHeaders = GetTrailingHeaders(response);
Assert.Equal(TrailingHeaders.Count, trailingHeaders.Count());
Assert.Contains("amazingtrailer", trailingHeaders.GetValues("MyCoolTrailerHeader"));
Assert.Contains("World", trailingHeaders.GetValues("Hello"));
}
}
public async Task Http2GetAsync_NoTrailingHeaders_EmptyCollection()
{
using (Http2LoopbackServer server = Http2LoopbackServer.CreateServer())
using (HttpClient client = CreateHttpClient())
{
Task <HttpResponseMessage> sendTask = client.GetAsync(server.Address);
Http2LoopbackConnection connection = await server.EstablishConnectionAsync();
int streamId = await connection.ReadRequestHeaderAsync();
// Response header.
await connection.SendDefaultResponseHeadersAsync(streamId);
// Response data.
await connection.WriteFrameAsync(MakeDataFrame(streamId, DataBytes, endStream : true));
// Server doesn't send trailing header frame.
HttpResponseMessage response = await sendTask;
Assert.Equal(HttpStatusCode.OK, response.StatusCode);
var trailingHeaders = GetTrailingHeaders(response);
Assert.NotNull(trailingHeaders);
Assert.Equal(0, trailingHeaders.Count());
}
}
public async Task Http2GetAsyncResponseHeadersReadOption_TrailingHeaders_Available()
{
using (Http2LoopbackServer server = Http2LoopbackServer.CreateServer())
using (HttpClient client = CreateHttpClient())
{
Task <HttpResponseMessage> sendTask = client.GetAsync(server.Address, HttpCompletionOption.ResponseHeadersRead);
Http2LoopbackConnection connection = await server.EstablishConnectionAsync();
int streamId = await connection.ReadRequestHeaderAsync();
// Response header.
await connection.SendDefaultResponseHeadersAsync(streamId);
// Response data, missing Trailers.
await connection.WriteFrameAsync(MakeDataFrame(streamId, DataBytes));
HttpResponseMessage response = await sendTask;
Assert.Equal(HttpStatusCode.OK, response.StatusCode);
// Pending read on the response content.
var trailingHeaders = GetTrailingHeaders(response);
Assert.True(trailingHeaders == null || trailingHeaders.Count() == 0);
Stream stream = await response.Content.ReadAsStreamAsync(TestAsync);
Byte[] data = new Byte[100];
await stream.ReadAsync(data, 0, data.Length);
// Intermediate test - haven't reached stream EOF yet.
trailingHeaders = GetTrailingHeaders(response);
Assert.True(trailingHeaders == null || trailingHeaders.Count() == 0);
// Finish data stream and write out trailing headers.
await connection.WriteFrameAsync(MakeDataFrame(streamId, DataBytes));
await connection.SendResponseHeadersAsync(streamId, endStream : true, isTrailingHeader : true, headers : TrailingHeaders);
// Read data until EOF is reached
while (stream.Read(data, 0, data.Length) != 0)
{
;
}
trailingHeaders = GetTrailingHeaders(response);
Assert.Equal(TrailingHeaders.Count, trailingHeaders.Count());
Assert.Contains("amazingtrailer", trailingHeaders.GetValues("MyCoolTrailerHeader"));
Assert.Contains("World", trailingHeaders.GetValues("Hello"));
// Read when already zero. Trailers shouldn't be changed.
stream.Read(data, 0, data.Length);
trailingHeaders = GetTrailingHeaders(response);
Assert.Equal(TrailingHeaders.Count, trailingHeaders.Count());
}
}
public async Task ReadAndWriteAfterServerHasSentEndStream_Success()
{
TaskCompletionSource <Stream> requestStreamTcs = new TaskCompletionSource <Stream>(TaskCreationOptions.RunContinuationsAsynchronously);
TaskCompletionSource <object> completeStreamTcs = new TaskCompletionSource <object>(TaskCreationOptions.RunContinuationsAsynchronously);
using (Http2LoopbackServer server = Http2LoopbackServer.CreateServer())
using (HttpClient client = CreateHttpClient())
{
HttpRequestMessage message = new HttpRequestMessage(HttpMethod.Post, server.Address);
message.Version = new Version(2, 0);
message.Content = new StreamingContent(async s =>
{
await s.WriteAsync(new byte[50]);
requestStreamTcs.SetResult(s);
await completeStreamTcs.Task;
});
Task serverActions = RunServer();
HttpResponseMessage response = await client.SendAsync(message, HttpCompletionOption.ResponseHeadersRead);
Assert.Equal(HttpStatusCode.OK, response.StatusCode);
await serverActions;
Stream requestStream = await requestStreamTcs.Task;
Stream responseStream = await response.Content.ReadAsStreamAsync();
// Successfully because endstream hasn't been read yet.
await requestStream.WriteAsync(new byte[50]);
byte[] buffer = new byte[50];
int readCount = await responseStream.ReadAsync(buffer, 0, buffer.Length);
Assert.Equal(DataBytes.Length, readCount);
readCount = await responseStream.ReadAsync(buffer, 0, buffer.Length);
Assert.Equal(0, readCount);
async Task RunServer()
{
Http2LoopbackConnection connection = await server.EstablishConnectionAsync();
int streamId = await connection.ReadRequestHeaderAsync(expectEndOfStream : false);
await connection.SendDefaultResponseHeadersAsync(streamId, endStream : false);
await connection.WriteFrameAsync(MakeDataFrame(streamId, DataBytes, endStream : true));
};
}
}
public async Task AfterReadResponseServerError_ClientRead()
{
TaskCompletionSource <Stream> requestStreamTcs = new TaskCompletionSource <Stream>(TaskCreationOptions.RunContinuationsAsynchronously);
TaskCompletionSource <object> completeStreamTcs = new TaskCompletionSource <object>(TaskCreationOptions.RunContinuationsAsynchronously);
using (Http2LoopbackServer server = Http2LoopbackServer.CreateServer())
using (HttpClient client = CreateHttpClient())
{
HttpRequestMessage message = new HttpRequestMessage(HttpMethod.Post, server.Address);
message.Version = new Version(2, 0);
message.Content = new StreamingContent(async s =>
{
requestStreamTcs.SetResult(s);
await completeStreamTcs.Task;
});
Task <HttpResponseMessage> sendTask = client.SendAsync(message, HttpCompletionOption.ResponseHeadersRead);
Http2LoopbackConnection connection = await server.EstablishConnectionAsync();
Stream requestStream = await requestStreamTcs.Task;
await requestStream.WriteAsync(new byte[50]);
int streamId = await connection.ReadRequestHeaderAsync(expectEndOfStream : false);
Frame frame = await connection.ReadDataFrameAsync();
// Response header.
await connection.SendDefaultResponseHeadersAsync(streamId);
// Response data.
await connection.WriteFrameAsync(MakeDataFrame(streamId, DataBytes, endStream : false));
HttpResponseMessage response = await sendTask;
Assert.Equal(HttpStatusCode.OK, response.StatusCode);
Stream responseStream = await response.Content.ReadAsStreamAsync();
// Read response data.
byte[] buffer = new byte[1024];
int readCount = await responseStream.ReadAsync(buffer, 0, buffer.Length);
Assert.Equal(DataBytes.Length, readCount);
// Server sends RST_STREAM.
await connection.WriteFrameAsync(new RstStreamFrame(FrameFlags.EndStream, 0, streamId));
await Assert.ThrowsAsync <IOException>(() => responseStream.ReadAsync(buffer, 0, buffer.Length));
}
}
private static async Task <int> EstablishConnectionAndProcessOneRequestAsync(HttpClient client, Http2LoopbackServer server)
{
// Establish connection and send initial request/response to ensure connection is available for subsequent use
Task <HttpResponseMessage> sendTask = client.GetAsync(server.Address);
await server.EstablishConnectionAsync();
int streamId = await server.ReadRequestHeaderAsync();
await server.SendDefaultResponseAsync(streamId);
HttpResponseMessage response = await sendTask;
Assert.Equal(HttpStatusCode.OK, response.StatusCode);
Assert.Equal(0, (await response.Content.ReadAsByteArrayAsync()).Length);
return(streamId);
}
public async Task Http2GetAsync_MissingTrailer_TrailingHeadersAccepted(bool responseHasContentLength)
{
using (Http2LoopbackServer server = Http2LoopbackServer.CreateServer())
using (HttpClient client = CreateHttpClient())
{
Task <HttpResponseMessage> sendTask = client.GetAsync(server.Address);
Http2LoopbackConnection connection = await server.EstablishConnectionAsync();
int streamId = await connection.ReadRequestHeaderAsync();
// Response header.
if (responseHasContentLength)
{
await connection.SendResponseHeadersAsync(streamId, endStream : false, headers : new[] { new HttpHeaderData("Content-Length", DataBytes.Length.ToString()) });
}
else
{
await connection.SendDefaultResponseHeadersAsync(streamId);
}
// Response data, missing Trailers.
await connection.WriteFrameAsync(MakeDataFrame(streamId, DataBytes));
// Additional trailing header frame.
await connection.SendResponseHeadersAsync(streamId, isTrailingHeader : true, headers : TrailingHeaders, endStream : true);
HttpResponseMessage response = await sendTask;
Assert.Equal(HttpStatusCode.OK, response.StatusCode);
var trailingHeaders = GetTrailingHeaders(response);
Assert.Equal(TrailingHeaders.Count, trailingHeaders.Count());
Assert.Contains("amazingtrailer", trailingHeaders.GetValues("MyCoolTrailerHeader"));
Assert.Contains("World", trailingHeaders.GetValues("Hello"));
}
}
private async Task EstablishConnectionAsync(Http2LoopbackServer server)
{
_connection = await server.EstablishConnectionAsync();
_incomingFramesTask = ProcessIncomingFramesAsync(_incomingFramesCts.Token);
}
public async Task WriteRequestAfterReadResponse()
{
TaskCompletionSource <object> tcs = new TaskCompletionSource <object>(TaskCreationOptions.RunContinuationsAsynchronously);
using (Http2LoopbackServer server = Http2LoopbackServer.CreateServer())
using (HttpClient client = CreateHttpClient())
{
HttpRequestMessage message = new HttpRequestMessage(HttpMethod.Post, server.Address);
message.Version = new Version(2, 0);
message.Content = new StreamingContent(async s =>
{
await s.WriteAsync(new byte[50]);
await tcs.Task;
await s.WriteAsync(new byte[50]);
}, length: null);
Task <HttpResponseMessage> sendTask = client.SendAsync(message, HttpCompletionOption.ResponseHeadersRead);
Http2LoopbackConnection connection = await server.EstablishConnectionAsync();
int streamId = await connection.ReadRequestHeaderAsync(expectEndOfStream : false);
Frame frame = await connection.ReadDataFrameAsync();
// Response header.
await connection.SendDefaultResponseHeadersAsync(streamId);
// Response data.
await connection.WriteFrameAsync(MakeDataFrame(streamId, DataBytes, endStream : false));
HttpResponseMessage response = await sendTask;
Assert.Equal(HttpStatusCode.OK, response.StatusCode);
using Stream responseStream = await response.Content.ReadAsStreamAsync();
// Read response data.
byte[] buffer = new byte[1024];
int readCount = await responseStream.ReadAsync(buffer, 0, buffer.Length);
Assert.Equal(DataBytes.Length, readCount);
// Finish sending request data.
tcs.SetResult(null);
frame = await connection.ReadDataFrameAsync();
// Response data.
await connection.WriteFrameAsync(MakeDataFrame(streamId, DataBytes, endStream : true));
// Finish reading response data.
readCount = await responseStream.ReadAsync(buffer, 0, buffer.Length);
Assert.Equal(DataBytes.Length, readCount);
readCount = await responseStream.ReadAsync(buffer, 0, buffer.Length);
Assert.Equal(0, readCount);
}
}
public async Task BackwardsCompatibility_DowngradeToHttp11()
{
TaskCompletionSource <object> completeStreamTcs = new TaskCompletionSource <object>(TaskCreationOptions.RunContinuationsAsynchronously);
using (Http2LoopbackServer server = Http2LoopbackServer.CreateServer())
using (HttpClient client = CreateHttpClient())
{
HttpRequestMessage message = new HttpRequestMessage(HttpMethod.Post, server.Address);
message.Version = new Version(2, 0);
message.Content = new StreamingContent(async s =>
{
await completeStreamTcs.Task;
});
Task <HttpResponseMessage> sendTask = client.SendAsync(message, HttpCompletionOption.ResponseHeadersRead);
// If WinHTTP doesn't support streaming a request without a length then it will fallback
// to HTTP/1.1. This is pretty weird behavior but we keep it for backwards compatibility.
Exception ex = await Assert.ThrowsAsync <Exception>(async() => await server.EstablishConnectionAsync());
Assert.Equal("HTTP/1.1 request sent to HTTP/2 connection.", ex.Message);
completeStreamTcs.SetResult(null);
}
}