public async Task UnacceptedConnectionsAreAborted()
{
var transportContext = new TestLibuvTransportContext();
var transport = new LibuvConnectionListener(transportContext, new IPEndPoint(IPAddress.Loopback, 0));
await transport.BindAsync();
var endpoint = (IPEndPoint)transport.EndPoint;
async Task ConnectAsync()
{
using (var socket = TestConnection.CreateConnectedLoopbackSocket(endpoint.Port))
{
try
{
var read = await socket.ReceiveAsync(new byte[10], SocketFlags.None);
Assert.Equal(0, read);
}
catch (SocketException)
{
// The connection can be reset sometimes
}
}
}
var connectTask = ConnectAsync();
await transport.UnbindAsync();
await transport.DisposeAsync();
// The connection was accepted because libuv eagerly accepts connections
// they sit in a queue in each listener, we want to make sure that resources
// are cleaned up if they are never accepted by the caller
await connectTask.DefaultTimeout();
}
public async Task TransportCanBindUnbindAndStop()
{
var transportContext = new TestLibuvTransportContext();
var transport = new LibuvConnectionListener(transportContext, new IPEndPoint(IPAddress.Loopback, 0));
await transport.BindAsync();
await transport.UnbindAsync();
await transport.DisposeAsync();
}
public async Task TransportCanBindAndStop()
{
var transportContext = new TestLibuvTransportContext();
var transport = new LibuvConnectionListener(transportContext, new IPEndPoint(IPAddress.Loopback, 0));
// The transport can no longer start threads without binding to an endpoint.
await transport.BindAsync();
await transport.DisposeAsync();
}
public async Task CallingAcceptAfterDisposeAsyncThrows()
{
var transportContext = new TestLibuvTransportContext();
var transport = new LibuvConnectionListener(transportContext, new IPEndPoint(IPAddress.Loopback, 0));
await transport.BindAsync();
var endpoint = (IPEndPoint)transport.EndPoint;
await transport.UnbindAsync();
await transport.DisposeAsync();
await Assert.ThrowsAsync<ObjectDisposedException>(() => transport.AcceptAsync().AsTask());
}
public async Task Dispose()
{
LibuvConnectionListener listener = Interlocked.Exchange(ref m_Listener, null);
if (listener != null)
{
try
{
await listener.UnbindAsync();
await listener.DisposeAsync();
}
catch (Exception ex)
{
Console.WriteLine("Listener: Failed to dispose.");
Console.WriteLine(ex);
}
}
GC.SuppressFinalize(this);
}