public async Task RequestClose_SendsGoAway()
{
await new HostBuilder()
.UseHttp2Cat(Fixture.Client.BaseAddress.AbsoluteUri, async h2Connection =>
{
await h2Connection.InitializeConnectionAsync();
h2Connection.Logger.LogInformation("Initialized http2 connection. Starting stream 1.");
await h2Connection.StartStreamAsync(1, GetHeaders("/ConnectionRequestClose"), endStream: true);
var goAwayFrame = await h2Connection.ReceiveFrameAsync();
Http2Utilities.VerifyGoAway(goAwayFrame, int.MaxValue, Http2ErrorCode.NO_ERROR);
await h2Connection.ReceiveHeadersAsync(1, decodedHeaders =>
{
// HTTP/2 filters out the connection header
Assert.False(decodedHeaders.ContainsKey(HeaderNames.Connection));
Assert.Equal("200", decodedHeaders[HeaderNames.Status]);
});
var dataFrame = await h2Connection.ReceiveFrameAsync();
Http2Utilities.VerifyDataFrame(dataFrame, 1, endOfStream: true, length: 0);
// Http.Sys doesn't send a final GoAway unless we ignore the first one and send 200 additional streams.
h2Connection.Logger.LogInformation("Connection stopped.");
})
.Build().RunAsync();
}
public async Task ConnectionRequestClose_OSSupport_SendsGoAway()
{
using var server = Utilities.CreateDynamicHttpsServer(out var address, httpContext =>
{
httpContext.Connection.RequestClose();
return(Task.FromResult(0));
});
await new HostBuilder()
.UseHttp2Cat(address, async h2Connection =>
{
await h2Connection.InitializeConnectionAsync();
h2Connection.Logger.LogInformation("Initialized http2 connection. Starting stream 1.");
await h2Connection.StartStreamAsync(1, Http2Utilities.BrowserRequestHeaders, endStream: true);
var goAwayFrame = await h2Connection.ReceiveFrameAsync();
Http2Utilities.VerifyGoAway(goAwayFrame, int.MaxValue, Http2ErrorCode.NO_ERROR);
await h2Connection.ReceiveHeadersAsync(1, decodedHeaders =>
{
// HTTP/2 filters out the connection header
Assert.False(decodedHeaders.ContainsKey(HeaderNames.Connection));
Assert.Equal("200", decodedHeaders[HeaderNames.Status]);
});
var dataFrame = await h2Connection.ReceiveFrameAsync();
Http2Utilities.VerifyDataFrame(dataFrame, 1, endOfStream: true, length: 0);
// Http.Sys doesn't send a final GoAway unless we ignore the first one and send 200 additional streams.
h2Connection.Logger.LogInformation("Connection stopped.");
})
.Build().RunAsync();
}
public async Task ConnectionClose_AdditionalRequests_ReceivesSecondGoAway()
{
using var server = Utilities.CreateDynamicHttpsServer(out var address, httpContext =>
{
httpContext.Response.Headers.Connection = "close";
return(Task.FromResult(0));
});
await new HostBuilder()
.UseHttp2Cat(address, async h2Connection =>
{
await h2Connection.InitializeConnectionAsync();
h2Connection.Logger.LogInformation("Initialized http2 connection. Starting stream 1.");
var streamId = 1;
await h2Connection.StartStreamAsync(streamId, Http2Utilities.BrowserRequestHeaders, endStream: true);
var goAwayFrame = await h2Connection.ReceiveFrameAsync();
Http2Utilities.VerifyGoAway(goAwayFrame, int.MaxValue, Http2ErrorCode.NO_ERROR);
await h2Connection.ReceiveHeadersAsync(streamId, decodedHeaders =>
{
// HTTP/2 filters out the connection header
Assert.False(decodedHeaders.ContainsKey(HeaderNames.Connection));
Assert.Equal("200", decodedHeaders[InternalHeaderNames.Status]);
});
var dataFrame = await h2Connection.ReceiveFrameAsync();
Http2Utilities.VerifyDataFrame(dataFrame, streamId, endOfStream: true, length: 0);
// Http.Sys doesn't send a final GoAway unless we ignore the first one and send 200 additional streams.
for (var i = 1; i < 200; i++)
{
streamId = 1 + (i * 2); // Odds.
await h2Connection.StartStreamAsync(streamId, Http2Utilities.BrowserRequestHeaders, endStream: true);
await h2Connection.ReceiveHeadersAsync(streamId, decodedHeaders =>
{
// HTTP/2 filters out the connection header
Assert.False(decodedHeaders.ContainsKey(HeaderNames.Connection));
Assert.Equal("200", decodedHeaders[InternalHeaderNames.Status]);
});
dataFrame = await h2Connection.ReceiveFrameAsync();
Http2Utilities.VerifyDataFrame(dataFrame, streamId, endOfStream: true, length: 0);
}
streamId = 1 + (200 * 2); // Odds.
await h2Connection.StartStreamAsync(streamId, Http2Utilities.BrowserRequestHeaders, endStream: true);
// Final GoAway
goAwayFrame = await h2Connection.ReceiveFrameAsync();
Http2Utilities.VerifyGoAway(goAwayFrame, streamId, Http2ErrorCode.NO_ERROR);
// Normal response
await h2Connection.ReceiveHeadersAsync(streamId, decodedHeaders =>
{
// HTTP/2 filters out the connection header
Assert.False(decodedHeaders.ContainsKey(HeaderNames.Connection));
Assert.Equal("200", decodedHeaders[InternalHeaderNames.Status]);
});
dataFrame = await h2Connection.ReceiveFrameAsync();
Http2Utilities.VerifyDataFrame(dataFrame, streamId, endOfStream: true, length: 0);
h2Connection.Logger.LogInformation("Connection stopped.");
})
.Build().RunAsync();
}