public ServiceContext(ServiceContext context)
{
AppShutdown = context.AppShutdown;
Memory = context.Memory;
Log = context.Log;
DateHeaderValueManager = context.DateHeaderValueManager;
}
public void Create(Func<IFeatureCollection, Task> app, ServiceContext context, string serverAddress)
{
_engine = new KestrelEngine(context);
_engine.Start(1);
_server = _engine.CreateServer(
ServerAddress.FromUrl(serverAddress),
app);
}
public ServiceContext(ServiceContext context)
{
AppLifetime = context.AppLifetime;
Memory = context.Memory;
Log = context.Log;
DateHeaderValueManager = context.DateHeaderValueManager;
ConnectionFilter = context.ConnectionFilter;
NoDelay = context.NoDelay;
}
public void Create(RequestDelegate app, ServiceContext context, string serverAddress)
{
context.FrameFactory = (connectionContext, remoteEP, localEP, prepareRequest) =>
{
return new Frame<HttpContext>(new DummyApplication(app), connectionContext, remoteEP, localEP, prepareRequest);
};
_engine = new KestrelEngine(context);
_engine.Start(1);
_server = _engine.CreateServer(
ServerAddress.FromUrl(serverAddress));
}
public ServiceContext(ServiceContext context)
{
AppLifetime = context.AppLifetime;
Log = context.Log;
ThreadPool = context.ThreadPool;
FrameFactory = context.FrameFactory;
DateHeaderValueManager = context.DateHeaderValueManager;
ConnectionFilter = context.ConnectionFilter;
NoDelay = context.NoDelay;
ReuseStreams = context.ReuseStreams;
}
public async Task Http10KeepAliveTransferEncoding(ServiceContext testContext)
{
using (var server = new TestServer(AppChunked, testContext))
{
using (var connection = new TestConnection())
{
await connection.SendEnd(
"POST / HTTP/1.0",
"Transfer-Encoding: chunked",
"Connection: keep-alive",
"",
"5", "Hello", "6", " World", "0",
"POST / HTTP/1.0",
"",
"Goodbye");
await connection.Receive(
"HTTP/1.0 200 OK",
"Content-Length: 11",
"Connection: keep-alive",
"",
"Hello World");
await connection.ReceiveEnd(
"HTTP/1.0 200 OK",
"Content-Length: 7",
"",
"Goodbye");
}
}
}
public KestrelEngine(ServiceContext context)
: this(new Libuv(), context)
{
}
public async Task RequestBodyIsConsumedAutomaticallyIfAppDoesntConsumeItFully(ServiceContext testContext)
{
using (var server = new TestServer(async frame =>
{
var response = frame.Get<IHttpResponseFeature>();
var request = frame.Get<IHttpRequestFeature>();
Assert.Equal("POST", request.Method);
response.Headers.Clear();
response.Headers["Content-Length"] = new[] { "11" };
await response.Body.WriteAsync(Encoding.ASCII.GetBytes("Hello World"), 0, 11);
}, testContext))
{
using (var connection = new TestConnection())
{
await connection.SendEnd(
"POST / HTTP/1.1",
"Content-Length: 5",
"",
"HelloPOST / HTTP/1.1",
"Transfer-Encoding: chunked",
"",
"C", "HelloChunked", "0",
"POST / HTTP/1.1",
"Content-Length: 7",
"",
"Goodbye");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
"Content-Length: 11",
"",
"Hello WorldHTTP/1.1 200 OK",
"Content-Length: 11",
"",
"Hello WorldHTTP/1.1 200 OK",
"Content-Length: 11",
"",
"Hello World");
}
}
}
public void EngineCanStartAndStop(ServiceContext testContext)
{
var engine = new KestrelEngine(testContext);
engine.Start(1);
engine.Dispose();
}
public async Task ConnectionClosesWhenFinReceivedBeforeRequestCompletes(ServiceContext testContext)
{
using (var server = new TestServer(AppChunked, testContext))
{
using (var connection = new TestConnection())
{
await connection.SendEnd(
"GET /");
await connection.ReceiveEnd();
}
using (var connection = new TestConnection())
{
await connection.SendEnd(
"GET / HTTP/1.1",
"",
"Post / HTTP/1.1");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
"Content-Length: 0",
"",
"");
}
using (var connection = new TestConnection())
{
await connection.SendEnd(
"GET / HTTP/1.1",
"",
"Post / HTTP/1.1",
"Content-Length: 7");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
"Content-Length: 0",
"",
"");
}
}
}
public async Task ThrowingResultsIn500Response(ServiceContext testContext)
{
bool onStartingCalled = false;
var testLogger = new TestApplicationErrorLogger();
testContext.Log = new KestrelTrace(testLogger);
using (var server = new TestServer(frame =>
{
var response = frame.Get<IHttpResponseFeature>();
response.OnStarting(_ =>
{
onStartingCalled = true;
return Task.FromResult<object>(null);
}, null);
// Anything added to the ResponseHeaders dictionary is ignored
response.Headers.Clear();
response.Headers["Content-Length"] = "11";
throw new Exception();
}, testContext))
{
using (var connection = new TestConnection())
{
await connection.SendEnd(
"GET / HTTP/1.1",
"",
"GET / HTTP/1.1",
"Connection: close",
"",
"");
await connection.Receive(
"HTTP/1.1 500 Internal Server Error",
"");
await connection.ReceiveStartsWith("Date:");
await connection.Receive(
"Content-Length: 0",
"Server: Kestrel",
"",
"HTTP/1.1 500 Internal Server Error",
"");
await connection.ReceiveStartsWith("Date:");
await connection.ReceiveEnd(
"Content-Length: 0",
"Server: Kestrel",
"Connection: close",
"",
"");
Assert.False(onStartingCalled);
Assert.Equal(2, testLogger.ApplicationErrorsLogged);
}
}
}
public async Task ZeroContentLengthNotSetAutomaticallyForHeadRequests(ServiceContext testContext)
{
using (var server = new TestServer(EmptyApp, testContext))
{
using (var connection = new TestConnection())
{
await connection.SendEnd(
"HEAD / HTTP/1.1",
"",
"");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
"",
"");
}
}
}
public async Task ZeroContentLengthSetAutomaticallyAfterNoWrites(ServiceContext testContext)
{
using (var server = new TestServer(EmptyApp, testContext))
{
using (var connection = new TestConnection())
{
await connection.SendEnd(
"GET / HTTP/1.1",
"",
"GET / HTTP/1.0",
"Connection: keep-alive",
"",
"");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
"Content-Length: 0",
"",
"HTTP/1.0 200 OK",
"Content-Length: 0",
"Connection: keep-alive",
"",
"");
}
}
}
public async Task Expect100ContinueForBody(ServiceContext testContext)
{
using (var server = new TestServer(AppChunked, testContext))
{
using (var connection = new TestConnection())
{
await connection.Send(
"POST / HTTP/1.1",
"Expect: 100-continue",
"Content-Length: 11",
"Connection: close",
"\r\n");
await connection.Receive("HTTP/1.1 100 Continue", "\r\n");
await connection.SendEnd("Hello World");
await connection.Receive(
"HTTP/1.1 200 OK",
"Content-Length: 11",
"Connection: close",
"",
"Hello World");
}
}
}
public TestServer(Func<IFeatureCollection, Task> app, ServiceContext context, string serverAddress)
{
Create(app, context, serverAddress);
}
public TestServer(Func<IFeatureCollection, Task> app, ServiceContext context)
: this(app, context, "http://localhost:54321/")
{
}
// For testing
internal KestrelEngine(Libuv uv, ServiceContext context)
: base(context)
{
Libuv = uv;
Threads = new List <KestrelThread>();
}
public async Task ReuseStreamsOff(ServiceContext testContext)
{
testContext.ReuseStreams = false;
var streamCount = 0;
var loopCount = 20;
Stream lastStream = null;
using (var server = new TestServer(
context =>
{
if (context.Request.Body != lastStream)
{
lastStream = context.Request.Body;
streamCount++;
}
context.Response.Headers.Clear();
return context.Request.Body.CopyToAsync(context.Response.Body);
},
testContext))
{
using (var connection = new TestConnection())
{
var requestData =
Enumerable.Repeat("GET / HTTP/1.1\r\n", loopCount)
.Concat(new[] { "GET / HTTP/1.1\r\nConnection: close\r\n\r\nGoodbye" });
var responseData =
Enumerable.Repeat("HTTP/1.1 200 OK\r\nContent-Length: 0\r\n", loopCount)
.Concat(new[] { "HTTP/1.1 200 OK\r\nConnection: close\r\n\r\nGoodbye" });
await connection.SendEnd(requestData.ToArray());
await connection.ReceiveEnd(responseData.ToArray());
}
Assert.Equal(loopCount + 1, streamCount);
}
}
public async Task DisconnectingClient(ServiceContext testContext)
{
using (var server = new TestServer(App, testContext))
{
var socket = new Socket(SocketType.Stream, ProtocolType.IP);
socket.Connect(IPAddress.Loopback, 54321);
await Task.Delay(200);
socket.Dispose();
await Task.Delay(200);
using (var connection = new TestConnection())
{
await connection.SendEnd(
"GET / HTTP/1.0",
"\r\n");
await connection.ReceiveEnd(
"HTTP/1.0 200 OK",
"\r\n");
}
}
}
public KestrelEngine(ServiceContext context)
: this(new Libuv(), context)
{ }
public async Task ZeroContentLengthNotSetAutomaticallyForNonKeepAliveRequests(ServiceContext testContext)
{
using (var server = new TestServer(EmptyApp, testContext))
{
using (var connection = new TestConnection())
{
await connection.SendEnd(
"GET / HTTP/1.1",
"Connection: close",
"",
"");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
"Connection: close",
"",
"");
}
using (var connection = new TestConnection())
{
await connection.SendEnd(
"GET / HTTP/1.0",
"",
"");
await connection.ReceiveEnd(
"HTTP/1.0 200 OK",
"",
"");
}
}
}
// For testing
internal KestrelEngine(Libuv uv, ServiceContext context)
: base(context)
{
Libuv = uv;
Threads = new List<KestrelThread>();
}
public async Task ZeroContentLengthNotSetAutomaticallyForCertainStatusCodes(ServiceContext testContext)
{
using (var server = new TestServer(async frame =>
{
var request = frame.Get<IHttpRequestFeature>();
var response = frame.Get<IHttpResponseFeature>();
response.Headers.Clear();
using (var reader = new StreamReader(request.Body, Encoding.ASCII))
{
var statusString = await reader.ReadLineAsync();
response.StatusCode = int.Parse(statusString);
}
}, testContext))
{
using (var connection = new TestConnection())
{
await connection.SendEnd(
"POST / HTTP/1.1",
"Content-Length: 3",
"",
"101POST / HTTP/1.1",
"Content-Length: 3",
"",
"204POST / HTTP/1.1",
"Content-Length: 3",
"",
"205POST / HTTP/1.1",
"Content-Length: 3",
"",
"304POST / HTTP/1.1",
"Content-Length: 3",
"",
"200");
await connection.ReceiveEnd(
"HTTP/1.1 101 Switching Protocols",
"",
"HTTP/1.1 204 No Content",
"",
"HTTP/1.1 205 Reset Content",
"",
"HTTP/1.1 304 Not Modified",
"",
"HTTP/1.1 200 OK",
"Content-Length: 0",
"",
"");
}
}
}
public void ConnectionCanReadAndWrite(ServiceContext testContext)
{
var engine = new KestrelEngine(testContext);
engine.Start(1);
var address = ServerAddress.FromUrl("http://localhost:54321/");
var started = engine.CreateServer(address, App);
Console.WriteLine("Started");
var socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
socket.Connect(new IPEndPoint(IPAddress.Loopback, 54321));
socket.Send(Encoding.ASCII.GetBytes("POST / HTTP/1.0\r\n\r\nHello World"));
socket.Shutdown(SocketShutdown.Send);
var buffer = new byte[8192];
while (true)
{
var length = socket.Receive(buffer);
if (length == 0) { break; }
var text = Encoding.ASCII.GetString(buffer, 0, length);
}
started.Dispose();
engine.Dispose();
}
public async Task ThrowingAfterPartialWriteKillsConnection(ServiceContext testContext)
{
bool onStartingCalled = false;
var testLogger = new TestApplicationErrorLogger();
testContext.Log = new KestrelTrace(testLogger);
using (var server = new TestServer(async frame =>
{
var response = frame.Get<IHttpResponseFeature>();
response.OnStarting(_ =>
{
onStartingCalled = true;
return Task.FromResult<object>(null);
}, null);
response.Headers.Clear();
response.Headers["Content-Length"] = new[] { "11" };
await response.Body.WriteAsync(Encoding.ASCII.GetBytes("Hello"), 0, 5);
throw new Exception();
}, testContext))
{
using (var connection = new TestConnection())
{
await connection.Send(
"GET / HTTP/1.1",
"",
"");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
"Content-Length: 11",
"",
"Hello");
Assert.True(onStartingCalled);
Assert.Equal(1, testLogger.ApplicationErrorsLogged);
}
}
}
public async Task Http11(ServiceContext testContext)
{
using (var server = new TestServer(AppChunked, testContext))
{
using (var connection = new TestConnection())
{
await connection.SendEnd(
"GET / HTTP/1.1",
"",
"GET / HTTP/1.1",
"Connection: close",
"",
"Goodbye");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
"Content-Length: 0",
"",
"HTTP/1.1 200 OK",
"Content-Length: 7",
"Connection: close",
"",
"Goodbye");
}
}
}
public async Task ThrowingInOnStartingResultsInFailedWritesAnd500Response(ServiceContext testContext)
{
var onStartingCallCount1 = 0;
var onStartingCallCount2 = 0;
var failedWriteCount = 0;
var testLogger = new TestApplicationErrorLogger();
testContext.Log = new KestrelTrace(testLogger);
using (var server = new TestServer(async frame =>
{
var onStartingException = new Exception();
var response = frame.Get<IHttpResponseFeature>();
response.OnStarting(_ =>
{
onStartingCallCount1++;
throw onStartingException;
}, null);
response.OnStarting(_ =>
{
onStartingCallCount2++;
throw onStartingException;
}, null);
response.Headers.Clear();
response.Headers["Content-Length"] = new[] { "11" };
var writeException = await Assert.ThrowsAsync<ObjectDisposedException>(async () =>
await response.Body.WriteAsync(Encoding.ASCII.GetBytes("Hello World"), 0, 11));
Assert.Same(onStartingException, writeException.InnerException);
failedWriteCount++;
}, testContext))
{
using (var connection = new TestConnection())
{
await connection.SendEnd(
"GET / HTTP/1.1",
"",
"GET / HTTP/1.1",
"Connection: close",
"",
"");
await connection.Receive(
"HTTP/1.1 500 Internal Server Error",
"");
await connection.ReceiveStartsWith("Date:");
await connection.Receive(
"Content-Length: 0",
"Server: Kestrel",
"",
"HTTP/1.1 500 Internal Server Error",
"");
await connection.ReceiveStartsWith("Date:");
await connection.ReceiveEnd(
"Content-Length: 0",
"Server: Kestrel",
"Connection: close",
"",
"");
Assert.Equal(2, onStartingCallCount1);
// The second OnStarting callback should not be called since the first failed.
Assert.Equal(0, onStartingCallCount2);
Assert.Equal(2, testLogger.ApplicationErrorsLogged);
}
}
}
public async Task Http10ContentLength(ServiceContext testContext)
{
using (var server = new TestServer(App, testContext))
{
using (var connection = new TestConnection())
{
await connection.Send(
"POST / HTTP/1.0",
"Content-Length: 11",
"",
"Hello World");
await connection.ReceiveEnd(
"HTTP/1.0 200 OK",
"",
"Hello World");
}
}
}
public async Task ThrowingInOnCompletedIsLoggedAndClosesConnection(ServiceContext testContext)
{
var onCompletedCalled1 = false;
var onCompletedCalled2 = false;
var testLogger = new TestApplicationErrorLogger();
testContext.Log = new KestrelTrace(testLogger);
using (var server = new TestServer(async frame =>
{
var response = frame.Get<IHttpResponseFeature>();
response.OnCompleted(_ =>
{
onCompletedCalled1 = true;
throw new Exception();
}, null);
response.OnCompleted(_ =>
{
onCompletedCalled2 = true;
throw new Exception();
}, null);
response.Headers.Clear();
response.Headers["Content-Length"] = new[] { "11" };
await response.Body.WriteAsync(Encoding.ASCII.GetBytes("Hello World"), 0, 11);
}, testContext))
{
using (var connection = new TestConnection())
{
await connection.Send(
"GET / HTTP/1.1",
"",
"");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
"Content-Length: 11",
"",
"Hello World");
}
// All OnCompleted callbacks should be called even if they throw.
Assert.Equal(2, testLogger.ApplicationErrorsLogged);
Assert.True(onCompletedCalled1);
Assert.True(onCompletedCalled2);
}
}
public async Task Http10TransferEncoding(ServiceContext testContext)
{
using (var server = new TestServer(App, testContext))
{
using (var connection = new TestConnection())
{
await connection.Send(
"POST / HTTP/1.0",
"Transfer-Encoding: chunked",
"",
"5", "Hello", "6", " World", "0\r\n");
await connection.ReceiveEnd(
"HTTP/1.0 200 OK",
"",
"Hello World");
}
}
}
public void ListenerCanCreateAndDispose(ServiceContext testContext)
{
var engine = new KestrelEngine(testContext);
engine.Start(1);
var address = ServerAddress.FromUrl("http://localhost:54321/");
var started = engine.CreateServer(address, App);
started.Dispose();
engine.Dispose();
}
public async Task Http10KeepAliveNotUsedIfResponseContentLengthNotSet(ServiceContext testContext)
{
using (var server = new TestServer(App, testContext))
{
using (var connection = new TestConnection())
{
await connection.SendEnd(
"GET / HTTP/1.0",
"Connection: keep-alive",
"",
"POST / HTTP/1.0",
"Connection: keep-alive",
"Content-Length: 7",
"",
"Goodbye");
await connection.Receive(
"HTTP/1.0 200 OK",
"Content-Length: 0",
"Connection: keep-alive",
"\r\n");
await connection.ReceiveEnd(
"HTTP/1.0 200 OK",
"",
"Goodbye");
}
}
}
