public async Task ReadExitsGivenIncompleteChunkedExtension()
{
using (var input = new TestInput())
{
var body = MessageBody.For(HttpVersion.Http11, new FrameRequestHeaders {
HeaderTransferEncoding = "chunked"
}, input.Frame);
var stream = new FrameRequestStream(Mock.Of <IHttpBodyControlFeature>());
stream.StartAcceptingReads(body);
input.Add("5;\r\0");
var buffer = new byte[1024];
var readTask = stream.ReadAsync(buffer, 0, buffer.Length);
Assert.False(readTask.IsCompleted);
input.Add("\r\r\r\nHello\r\n0\r\n\r\n");
Assert.Equal(5, await readTask.TimeoutAfter(TimeSpan.FromSeconds(10)));
Assert.Equal(0, await stream.ReadAsync(buffer, 0, buffer.Length));
await body.StopAsync();
}
}
public async Task CanReadAsyncFromContentLength(HttpVersion httpVersion)
{
using (var input = new TestInput())
{
var body = MessageBody.For(httpVersion, new FrameRequestHeaders {
HeaderContentLength = "5"
}, input.Frame);
var stream = new FrameRequestStream(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));
count = await stream.ReadAsync(buffer, 0, buffer.Length);
Assert.Equal(0, count);
await body.StopAsync();
}
}
public async Task CanHandleLargeBlocks()
{
using (var input = new TestInput())
{
var body = MessageBody.For("HTTP/1.0", new FrameRequestHeaders(), input.FrameContext);
var stream = new FrameRequestStream();
stream.StartAcceptingReads(body);
// Input needs to be greater than 4032 bytes to allocate a block not backed by a slab.
var largeInput = new string('a', 8192);
input.Add(largeInput, true);
// Add a smaller block to the end so that SocketInput attempts to return the large
// block to the memory pool.
input.Add("Hello", true);
var readBuffer = new byte[8192];
var count1 = await stream.ReadAsync(readBuffer, 0, 8192);
Assert.Equal(8192, count1);
AssertASCII(largeInput, new ArraySegment <byte>(readBuffer, 0, 8192));
var count2 = await stream.ReadAsync(readBuffer, 0, 8192);
Assert.Equal(5, count2);
AssertASCII("Hello", new ArraySegment <byte>(readBuffer, 0, 5));
var count3 = await stream.ReadAsync(readBuffer, 0, 8192);
Assert.Equal(0, count3);
}
}
public async Task CanReadAsyncFromChunkedEncoding()
{
using (var input = new TestInput())
{
var body = MessageBody.For(HttpVersion.Http11, new FrameRequestHeaders {
HeaderTransferEncoding = "chunked"
}, input.Frame);
var stream = new FrameRequestStream(Mock.Of <IHttpBodyControlFeature>());
stream.StartAcceptingReads(body);
input.Add("5\r\nHello\r\n");
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.Add("0\r\n\r\n");
count = await stream.ReadAsync(buffer, 0, buffer.Length);
Assert.Equal(0, count);
await body.StopAsync();
}
}
public async Task LogsWhenStopsReadingRequestBody()
{
using (var input = new TestInput())
{
var logEvent = new ManualResetEventSlim();
var mockLogger = new Mock <IKestrelTrace>();
mockLogger
.Setup(logger => logger.RequestBodyDone("ConnectionId", "RequestId"))
.Callback(() => logEvent.Set());
input.Frame.ServiceContext.Log = mockLogger.Object;
input.Frame.ConnectionIdFeature = "ConnectionId";
input.Frame.TraceIdentifier = "RequestId";
var body = MessageBody.For(HttpVersion.Http11, new FrameRequestHeaders {
HeaderContentLength = "2"
}, input.Frame);
var stream = new FrameRequestStream(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.Fin();
Assert.True(logEvent.Wait(TimeSpan.FromSeconds(10)));
await body.StopAsync();
}
}
public async Task SynchronousReadsThrowIfDisallowedByIHttpBodyControlFeature()
{
var allowSynchronousIO = false;
var mockBodyControl = new Mock <IHttpBodyControlFeature>();
mockBodyControl.Setup(m => m.AllowSynchronousIO).Returns(() => allowSynchronousIO);
var mockMessageBody = new Mock <MessageBody>((Frame)null);
mockMessageBody.Setup(m => m.ReadAsync(It.IsAny <ArraySegment <byte> >(), CancellationToken.None)).ReturnsAsync(0);
var stream = new FrameRequestStream(mockBodyControl.Object);
stream.StartAcceptingReads(mockMessageBody.Object);
Assert.Equal(0, await stream.ReadAsync(new byte[1], 0, 1));
var ioEx = Assert.Throws <InvalidOperationException>(() => stream.Read(new byte[1], 0, 1));
Assert.Equal("Synchronous operations are disallowed. Call ReadAsync or set AllowSynchronousIO to true instead.", ioEx.Message);
var ioEx2 = Assert.Throws <InvalidOperationException>(() => stream.CopyTo(Stream.Null));
Assert.Equal("Synchronous operations are disallowed. Call ReadAsync or set AllowSynchronousIO to true instead.", ioEx2.Message);
allowSynchronousIO = true;
Assert.Equal(0, stream.Read(new byte[1], 0, 1));
}
public void StopAcceptingReadsCausesReadToThrowObjectDisposedException()
{
var stream = new FrameRequestStream(Mock.Of <IHttpBodyControlFeature>());
stream.StartAcceptingReads(null);
stream.StopAcceptingReads();
Assert.Throws <ObjectDisposedException>(() => { stream.ReadAsync(new byte[1], 0, 1); });
}
public async Task Http10ConnectionCloseAsync()
{
var input = new TestInput();
var body = MessageBody.For("HTTP/1.0", new FrameRequestHeaders(), input.FrameContext);
var stream = new FrameRequestStream().StartAcceptingReads(body);
input.Add("Hello", true);
var buffer1 = new byte[1024];
var count1 = await stream.ReadAsync(buffer1, 0, 1024);
AssertASCII("Hello", new ArraySegment <byte>(buffer1, 0, 5));
var buffer2 = new byte[1024];
var count2 = await stream.ReadAsync(buffer2, 0, 1024);
Assert.Equal(0, count2);
}
public void AbortCausesReadToCancel()
{
var stream = new FrameRequestStream();
stream.StartAcceptingReads(null);
stream.Abort();
var task = stream.ReadAsync(new byte[1], 0, 1);
Assert.True(task.IsCanceled);
}
public void AbortWithErrorCausesReadToCancel()
{
var stream = new FrameRequestStream(Mock.Of <IHttpBodyControlFeature>());
stream.StartAcceptingReads(null);
var error = new Exception();
stream.Abort(error);
var task = stream.ReadAsync(new byte[1], 0, 1);
Assert.True(task.IsFaulted);
Assert.Same(error, task.Exception.InnerException);
}
public async Task PumpAsyncDoesNotReturnAfterCancelingInput()
{
using (var input = new TestInput())
{
var body = MessageBody.For(HttpVersion.Http11, new FrameRequestHeaders {
HeaderContentLength = "2"
}, input.Frame);
var stream = new FrameRequestStream(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.Pipe.Reader.CancelPendingRead();
// Add more input and verify is read
input.Add("b");
Assert.Equal(1, await stream.ReadAsync(new byte[1], 0, 1));
await body.StopAsync();
}
}
public async Task StopAsyncPreventsFurtherDataConsumption()
{
using (var input = new TestInput())
{
var body = MessageBody.For(HttpVersion.Http11, new FrameRequestHeaders {
HeaderContentLength = "2"
}, input.Frame);
var stream = new FrameRequestStream(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 ReadAsyncFromNoContentLengthReturnsZero(HttpVersion httpVersion)
{
using (var input = new TestInput())
{
var body = MessageBody.For(httpVersion, new FrameRequestHeaders(), input.Frame);
var stream = new FrameRequestStream(Mock.Of <IHttpBodyControlFeature>());
stream.StartAcceptingReads(body);
input.Add("Hello");
var buffer = new byte[1024];
Assert.Equal(0, await stream.ReadAsync(buffer, 0, buffer.Length));
await body.StopAsync();
}
}
public async Task ConnectionUpgradeKeepAlive(string headerConnection)
{
using (var input = new TestInput())
{
var body = MessageBody.For(HttpVersion.Http11, new FrameRequestHeaders {
HeaderConnection = headerConnection
}, input.Frame);
var stream = new FrameRequestStream(Mock.Of <IHttpBodyControlFeature>());
stream.StartAcceptingReads(body);
input.Add("Hello");
var buffer = new byte[1024];
Assert.Equal(5, await stream.ReadAsync(buffer, 0, buffer.Length));
AssertASCII("Hello", new ArraySegment <byte>(buffer, 0, 5));
input.Fin();
await body.StopAsync();
}
}
public async Task ReadThrowsGivenChunkPrefixGreaterThanMaxInt()
{
using (var input = new TestInput())
{
var body = MessageBody.For(HttpVersion.Http11, new FrameRequestHeaders {
HeaderTransferEncoding = "chunked"
}, input.Frame);
var stream = new FrameRequestStream(Mock.Of <IHttpBodyControlFeature>());
stream.StartAcceptingReads(body);
input.Add("80000000\r\n");
var buffer = new byte[1024];
var ex = await Assert.ThrowsAsync <IOException>(async() =>
await stream.ReadAsync(buffer, 0, buffer.Length));
Assert.IsType <OverflowException>(ex.InnerException);
Assert.Equal(CoreStrings.BadRequest_BadChunkSizeData, ex.Message);
await body.StopAsync();
}
}