public TestLibuvTransportContext()
{
var logger = new TestApplicationErrorLogger();
AppLifetime = new LifetimeNotImplemented();
Log = new LibuvTrace(logger);
Options = new LibuvTransportOptions {
ThreadCount = 1
};
}
public TestLibuvTransportContext()
{
var logger = new TestApplicationErrorLogger();
AppLifetime = new LifetimeNotImplemented();
Log = new LibuvTrace(logger);
#pragma warning disable CS0618
Options = new LibuvTransportOptions {
ThreadCount = 1
};
#pragma warning restore CS0618
}
public void ReadStopIsIdempotent()
{
var libuvTrace = new LibuvTrace(new TestApplicationErrorLogger());
using (var uvLoopHandle = new UvLoopHandle(libuvTrace))
using (var uvTcpHandle = new UvTcpHandle(libuvTrace))
{
uvLoopHandle.Init(new MockLibuv());
uvTcpHandle.Init(uvLoopHandle, null);
UvStreamHandle uvStreamHandle = uvTcpHandle;
uvStreamHandle.ReadStop();
uvStreamHandle.ReadStop();
}
}
public LibuvTransportFactory(
IOptions <LibuvTransportOptions> options,
IApplicationLifetime applicationLifetime,
ILoggerFactory loggerFactory)
{
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
if (applicationLifetime == null)
{
throw new ArgumentNullException(nameof(applicationLifetime));
}
if (loggerFactory == null)
{
throw new ArgumentNullException(nameof(loggerFactory));
}
var logger = loggerFactory.CreateLogger("Microsoft.AspNetCore.Server.Kestrel.Transport.Libuv");
var trace = new LibuvTrace(logger);
var threadCount = options.Value.ThreadCount;
if (threadCount <= 0)
{
throw new ArgumentOutOfRangeException(nameof(threadCount),
threadCount,
"ThreadCount must be positive.");
}
if (!LibuvConstants.ECONNRESET.HasValue)
{
trace.LogWarning("Unable to determine ECONNRESET value on this platform.");
}
if (!LibuvConstants.EADDRINUSE.HasValue)
{
trace.LogWarning("Unable to determine EADDRINUSE value on this platform.");
}
_baseTransportContext = new LibuvTransportContext
{
Options = options.Value,
AppLifetime = applicationLifetime,
Log = trace,
};
}
public async Task NonListenerPipeConnectionsAreLoggedAndIgnored()
{
var libuv = new LibuvFunctions();
var listenOptions = new ListenOptions(new IPEndPoint(IPAddress.Loopback, 0));
var logger = new TestApplicationErrorLogger();
var serviceContextPrimary = new TestServiceContext();
var builderPrimary = new ConnectionBuilder();
builderPrimary.UseHttpServer(serviceContextPrimary, new DummyApplication(c => c.Response.WriteAsync("Primary")), HttpProtocols.Http1);
var transportContextPrimary = new TestLibuvTransportContext()
{
Log = new LibuvTrace(logger)
};
transportContextPrimary.ConnectionDispatcher = new ConnectionDispatcher(serviceContextPrimary, builderPrimary.Build());
var serviceContextSecondary = new TestServiceContext
{
DateHeaderValueManager = serviceContextPrimary.DateHeaderValueManager,
ServerOptions = serviceContextPrimary.ServerOptions,
Scheduler = serviceContextPrimary.Scheduler,
HttpParser = serviceContextPrimary.HttpParser,
};
var builderSecondary = new ConnectionBuilder();
builderSecondary.UseHttpServer(serviceContextSecondary, new DummyApplication(c => c.Response.WriteAsync("Secondary")), HttpProtocols.Http1);
var transportContextSecondary = new TestLibuvTransportContext();
transportContextSecondary.ConnectionDispatcher = new ConnectionDispatcher(serviceContextSecondary, builderSecondary.Build());
var libuvTransport = new LibuvTransport(libuv, transportContextPrimary, listenOptions);
var pipeName = (libuv.IsWindows ? @"\\.\pipe\kestrel_" : "/tmp/kestrel_") + Guid.NewGuid().ToString("n");
var pipeMessage = Guid.NewGuid().ToByteArray();
// Start primary listener
var libuvThreadPrimary = new LibuvThread(libuvTransport);
await libuvThreadPrimary.StartAsync();
var listenerPrimary = new ListenerPrimary(transportContextPrimary);
await listenerPrimary.StartAsync(pipeName, pipeMessage, listenOptions, libuvThreadPrimary);
var address = GetUri(listenOptions);
// Add secondary listener
var libuvThreadSecondary = new LibuvThread(libuvTransport);
await libuvThreadSecondary.StartAsync();
var listenerSecondary = new ListenerSecondary(transportContextSecondary);
await listenerSecondary.StartAsync(pipeName, pipeMessage, listenOptions, libuvThreadSecondary);
// TCP Connections get round-robined
await AssertResponseEventually(address, "Secondary", allowed : new[] { "Primary" });
Assert.Equal("Primary", await HttpClientSlim.GetStringAsync(address));
// Create a pipe connection and keep it open without sending any data
var connectTcs = new TaskCompletionSource <object>(TaskCreationOptions.RunContinuationsAsynchronously);
var connectionTrace = new LibuvTrace(new TestApplicationErrorLogger());
var pipe = new UvPipeHandle(connectionTrace);
libuvThreadPrimary.Post(_ =>
{
var connectReq = new UvConnectRequest(connectionTrace);
pipe.Init(libuvThreadPrimary.Loop, libuvThreadPrimary.QueueCloseHandle);
connectReq.Init(libuvThreadPrimary);
connectReq.Connect(
pipe,
pipeName,
(req, status, ex, __) =>
{
req.Dispose();
if (ex != null)
{
connectTcs.SetException(ex);
}
else
{
connectTcs.SetResult(null);
}
},
null);
}, (object)null);
await connectTcs.Task;
// TCP connections will still get round-robined between only the two listeners
Assert.Equal("Secondary", await HttpClientSlim.GetStringAsync(address));
Assert.Equal("Primary", await HttpClientSlim.GetStringAsync(address));
Assert.Equal("Secondary", await HttpClientSlim.GetStringAsync(address));
await libuvThreadPrimary.PostAsync(_ => pipe.Dispose(), (object)null);
// Wait up to 10 seconds for error to be logged
for (var i = 0; i < 10 && logger.TotalErrorsLogged == 0; i++)
{
await Task.Delay(100);
}
// Same for after the non-listener pipe connection is closed
Assert.Equal("Primary", await HttpClientSlim.GetStringAsync(address));
Assert.Equal("Secondary", await HttpClientSlim.GetStringAsync(address));
Assert.Equal("Primary", await HttpClientSlim.GetStringAsync(address));
await listenerSecondary.DisposeAsync();
await libuvThreadSecondary.StopAsync(TimeSpan.FromSeconds(5));
await listenerPrimary.DisposeAsync();
await libuvThreadPrimary.StopAsync(TimeSpan.FromSeconds(5));
Assert.Equal(1, logger.TotalErrorsLogged);
var errorMessage = logger.Messages.First(m => m.LogLevel == LogLevel.Error);
Assert.Equal(TestConstants.EOF, Assert.IsType <UvException>(errorMessage.Exception).StatusCode);
}
public async Task NonListenerPipeConnectionsAreLoggedAndIgnored()
{
var libuv = new LibuvFunctions();
var endpoint = new IPEndPoint(IPAddress.Loopback, 0);
var logger = new TestApplicationErrorLogger();
var transportContextPrimary = new TestLibuvTransportContext {
Log = new LibuvTrace(logger)
};
var transportContextSecondary = new TestLibuvTransportContext();
var pipeName = (libuv.IsWindows ? @"\\.\pipe\kestrel_" : "/tmp/kestrel_") + Guid.NewGuid().ToString("n");
var pipeMessage = Guid.NewGuid().ToByteArray();
// Start primary listener
var libuvThreadPrimary = new LibuvThread(libuv, transportContextPrimary);
await libuvThreadPrimary.StartAsync();
var listenerPrimary = new ListenerPrimary(transportContextPrimary);
await listenerPrimary.StartAsync(pipeName, pipeMessage, endpoint, libuvThreadPrimary);
var address = GetUri(listenerPrimary.EndPoint);
// Add secondary listener
var libuvThreadSecondary = new LibuvThread(libuv, transportContextSecondary);
await libuvThreadSecondary.StartAsync();
var listenerSecondary = new ListenerSecondary(transportContextSecondary);
await listenerSecondary.StartAsync(pipeName, pipeMessage, endpoint, libuvThreadSecondary);
// TCP Connections get round-robined
var primary = await WaitForSecondaryListener(address, listenerPrimary, listenerSecondary);
// Make sure the pending accept get yields
using (var socket = await HttpClientSlim.GetSocket(address))
{
await(await primary.DefaultTimeout()).DisposeAsync();
}
// Create a pipe connection and keep it open without sending any data
var connectTcs = new TaskCompletionSource(TaskCreationOptions.RunContinuationsAsynchronously);
var connectionTrace = new LibuvTrace(new TestApplicationErrorLogger());
var pipe = new UvPipeHandle(connectionTrace);
libuvThreadPrimary.Post(_ =>
{
var connectReq = new UvConnectRequest(connectionTrace);
pipe.Init(libuvThreadPrimary.Loop, libuvThreadPrimary.QueueCloseHandle);
connectReq.Init(libuvThreadPrimary);
connectReq.Connect(
pipe,
pipeName,
(req, status, ex, __) =>
{
req.Dispose();
if (ex != null)
{
connectTcs.SetException(ex);
}
else
{
connectTcs.SetResult();
}
},
null);
}, (object)null);
await connectTcs.Task;
// TCP connections will still get round-robined between only the two listeners
await AssertRoundRobin(address, listenerPrimary, listenerSecondary, listenerPrimary);
await libuvThreadPrimary.PostAsync(_ => pipe.Dispose(), (object)null);
// Wait up to 10 seconds for error to be logged
for (var i = 0; i < 10 && logger.TotalErrorsLogged == 0; i++)
{
await Task.Delay(100);
}
// Same for after the non-listener pipe connection is closed
await AssertRoundRobin(address, listenerPrimary, listenerSecondary, listenerPrimary);
await listenerSecondary.DisposeAsync();
await libuvThreadSecondary.StopAsync(TimeSpan.FromSeconds(5));
await listenerPrimary.DisposeAsync();
await libuvThreadPrimary.StopAsync(TimeSpan.FromSeconds(5));
Assert.Equal(0, logger.TotalErrorsLogged);
var logMessage = logger.Messages.Single(m => m.Message == "An internal pipe was opened unexpectedly.");
Assert.Equal(LogLevel.Debug, logMessage.LogLevel);
}