public async Task StopAsyncPreventsFurtherDataConsumption()
{
using (var input = new TestInput())
{
var body = Http1MessageBody.For(HttpVersion.Http11, new HttpRequestHeaders {
HeaderContentLength = "2"
}, input.Http1Connection);
var stream = new HttpRequestStream(Mock.Of <IHttpBodyControlFeature>());
stream.StartAcceptingReads(body);
// Add some input and consume it to ensure PumpAsync is running
input.Add("a");
Assert.Equal(1, await stream.ReadAsync(new byte[1], 0, 1));
await body.StopAsync();
// Add some more data. Checking for cancelation and exiting the loop
// should take priority over reading this data.
input.Add("b");
// There shouldn't be any additional data available
Assert.Equal(0, await stream.ReadAsync(new byte[1], 0, 1));
}
}
public async Task OnlyEnforcesRequestBodyTimeoutAfterSending100Continue()
{
using (var input = new TestInput())
{
var produceContinueCalled = false;
var startTimingReadsCalledAfterProduceContinue = false;
var mockHttpResponseControl = new Mock <IHttpResponseControl>();
mockHttpResponseControl
.Setup(httpResponseControl => httpResponseControl.ProduceContinue())
.Callback(() => produceContinueCalled = true);
input.Http1Connection.HttpResponseControl = mockHttpResponseControl.Object;
var minReadRate = input.Http1Connection.MinRequestBodyDataRate;
var mockTimeoutControl = new Mock <ITimeoutControl>();
mockTimeoutControl
.Setup(timeoutControl => timeoutControl.StartTimingReads(minReadRate))
.Callback(() => startTimingReadsCalledAfterProduceContinue = produceContinueCalled);
input.Http1ConnectionContext.TimeoutControl = mockTimeoutControl.Object;
var body = Http1MessageBody.For(HttpVersion.Http11, new HttpRequestHeaders {
HeaderContentLength = "5"
}, input.Http1Connection);
// Add some input and read it to start PumpAsync
var readTask = body.ReadAsync(new ArraySegment <byte>(new byte[1]));
Assert.True(startTimingReadsCalledAfterProduceContinue);
input.Add("a");
await readTask;
await body.StopAsync();
}
}
public async Task CanReadAsyncFromRemainingData(HttpVersion httpVersion)
{
using (var input = new TestInput())
{
var body = Http1MessageBody.For(httpVersion, new HttpRequestHeaders {
HeaderConnection = "upgrade"
}, input.Http1Connection);
var stream = new HttpRequestStream(Mock.Of <IHttpBodyControlFeature>());
stream.StartAcceptingReads(body);
input.Add("Hello");
var buffer = new byte[1024];
var count = await stream.ReadAsync(buffer, 0, buffer.Length);
Assert.Equal(5, count);
AssertASCII("Hello", new ArraySegment <byte>(buffer, 0, count));
input.Fin();
await body.StopAsync();
}
}
public async Task PumpAsyncDoesNotReturnAfterCancelingInput()
{
using (var input = new TestInput())
{
var body = Http1MessageBody.For(HttpVersion.Http11, new HttpRequestHeaders {
HeaderContentLength = "2"
}, input.Http1Connection);
var stream = new HttpRequestStream(Mock.Of <IHttpBodyControlFeature>());
stream.StartAcceptingReads(body);
// Add some input and consume it to ensure PumpAsync is running
input.Add("a");
Assert.Equal(1, await stream.ReadAsync(new byte[1], 0, 1));
input.Transport.Input.CancelPendingRead();
// Add more input and verify is read
input.Add("b");
Assert.Equal(1, await stream.ReadAsync(new byte[1], 0, 1));
input.Http1Connection.RequestBodyPipe.Reader.Complete();
await body.StopAsync();
}
}
public async Task CopyToAsyncDoesNotCopyBlocks()
{
var writeCount = 0;
var writeTcs = new TaskCompletionSource <(byte[], int, int)>();
var mockDestination = new Mock <Stream>()
{
CallBase = true
};
mockDestination
.Setup(m => m.WriteAsync(It.IsAny <byte[]>(), It.IsAny <int>(), It.IsAny <int>(), CancellationToken.None))
.Callback((byte[] buffer, int offset, int count, CancellationToken cancellationToken) =>
{
writeTcs.SetResult((buffer, offset, count));
writeCount++;
})
.Returns(Task.CompletedTask);
using (var memoryPool = KestrelMemoryPool.Create())
{
var options = new PipeOptions(pool: memoryPool, readerScheduler: PipeScheduler.Inline, writerScheduler: PipeScheduler.Inline, useSynchronizationContext: false);
var pair = DuplexPipe.CreateConnectionPair(options, options);
var transport = pair.Transport;
var application = pair.Application;
var http1ConnectionContext = new Http1ConnectionContext
{
ServiceContext = new TestServiceContext(),
ConnectionFeatures = new FeatureCollection(),
Application = application,
Transport = transport,
MemoryPool = memoryPool,
TimeoutControl = Mock.Of <ITimeoutControl>()
};
var http1Connection = new Http1Connection(http1ConnectionContext)
{
HasStartedConsumingRequestBody = true
};
var headers = new HttpRequestHeaders {
HeaderContentLength = "12"
};
var body = Http1MessageBody.For(HttpVersion.Http11, headers, http1Connection);
var copyToAsyncTask = body.CopyToAsync(mockDestination.Object);
var bytes = Encoding.ASCII.GetBytes("Hello ");
var buffer = http1Connection.RequestBodyPipe.Writer.GetMemory(2048);
ArraySegment <byte> segment;
Assert.True(MemoryMarshal.TryGetArray(buffer, out segment));
Buffer.BlockCopy(bytes, 0, segment.Array, segment.Offset, bytes.Length);
http1Connection.RequestBodyPipe.Writer.Advance(bytes.Length);
await http1Connection.RequestBodyPipe.Writer.FlushAsync();
// Verify the block passed to Stream.WriteAsync() is the same one incoming data was written into.
Assert.Equal((segment.Array, segment.Offset, bytes.Length), await writeTcs.Task);
// Verify the again when GetMemory returns the tail space of the same block.
writeTcs = new TaskCompletionSource <(byte[], int, int)>();
bytes = Encoding.ASCII.GetBytes("World!");
buffer = http1Connection.RequestBodyPipe.Writer.GetMemory(2048);
Assert.True(MemoryMarshal.TryGetArray(buffer, out segment));
Buffer.BlockCopy(bytes, 0, segment.Array, segment.Offset, bytes.Length);
http1Connection.RequestBodyPipe.Writer.Advance(bytes.Length);
await http1Connection.RequestBodyPipe.Writer.FlushAsync();
Assert.Equal((segment.Array, segment.Offset, bytes.Length), await writeTcs.Task);
http1Connection.RequestBodyPipe.Writer.Complete();
await copyToAsyncTask;
Assert.Equal(2, writeCount);
// Don't call body.StopAsync() because PumpAsync() was never called.
http1Connection.RequestBodyPipe.Reader.Complete();
}
}