// Only called after connection middleware is complete which means the ConnectionClosed token has fired.
public override async ValueTask DisposeAsync()
{
// Just in case we haven't started the connection, start it here so we can clean up properly.
EnsureStarted();
_originalTransport.Input.Complete();
_originalTransport.Output.Complete();
try
{
// Now wait for both to complete
if (_receivingTask != null)
{
await _receivingTask;
}
if (_sendingTask != null)
{
await _sendingTask;
}
}
catch (Exception ex)
{
_trace.LogError(0, ex, $"Unexpected exception in {nameof(SocketConnection)}.");
}
finally
{
_receiver.Dispose();
_sender?.Dispose();
}
_connectionClosedTokenSource.Dispose();
}
public void Start()
{
try
{
// Spawn send and receive logic
_receivingTask = DoReceive();
_sendingTask = DoSend();
}
catch (Exception ex)
{
_trace.LogError(0, ex, $"Unexpected exception in {nameof(SocketConnection)}.{nameof(Start)}.");
}
}
public async Task StartAsync(IConnectionHandler connectionHandler)
{
try
{
connectionHandler.OnConnection(this);
// Spawn send and receive logic
Task receiveTask = DoReceive();
Task sendTask = DoSend();
// If the sending task completes then close the receive
// We don't need to do this in the other direction because the kestrel
// will trigger the output closing once the input is complete.
if (await Task.WhenAny(receiveTask, sendTask) == sendTask)
{
// Tell the reader it's being aborted
_socket.Dispose();
}
// Now wait for both to complete
await receiveTask;
await sendTask;
// Dispose the socket(should noop if already called)
_socket.Dispose();
}
catch (Exception ex)
{
_trace.LogError(0, ex, $"Unexpected exception in {nameof(SocketConnection)}.{nameof(StartAsync)}.");
}
}
private async Task StartAsync()
{
try {
// Spawn send and receive logic
var receiveTask = DoReceive();
var sendTask = DoSend();
// Now wait for both to complete
await receiveTask;
await sendTask;
_receiver.Dispose();
_sender.Dispose();
} catch (Exception ex) {
_trace.LogError(0, ex, $"Unexpected exception in {nameof(SocketConnection)}.{nameof(StartAsync)}.");
}
}
public async Task StartAsync()
{
try
{
// Spawn send and receive logic
var receiveTask = DoReceive();
var sendTask = DoSend();
// Now wait for both to complete
await receiveTask;
await sendTask;
_receiver.Dispose();
_sender.Dispose();
ThreadPool.UnsafeQueueUserWorkItem(state => ((SocketConnection)state).CancelConnectionClosedToken(), this);
}
catch (Exception ex)
{
_trace.LogError(0, ex, $"Unexpected exception in {nameof(SocketConnection)}.{nameof(StartAsync)}.");
}
}
public async Task StartAsync()
{
Exception sendError = null;
try
{
// Spawn send and receive logic
Task receiveTask = DoReceive();
Task <Exception> sendTask = DoSend();
// If the sending task completes then close the receive
// We don't need to do this in the other direction because the kestrel
// will trigger the output closing once the input is complete.
if (await Task.WhenAny(receiveTask, sendTask) == sendTask)
{
// Tell the reader it's being aborted
_socket.Dispose();
}
// Now wait for both to complete
await receiveTask;
sendError = await sendTask;
// Dispose the socket(should noop if already called)
_socket.Dispose();
_receiver.Dispose();
_sender.Dispose();
ThreadPool.QueueUserWorkItem(state => ((SocketConnection)state).CancelConnectionClosedToken(), this);
}
catch (Exception ex)
{
_trace.LogError(0, ex, $"Unexpected exception in {nameof(SocketConnection)}.{nameof(StartAsync)}.");
}
finally
{
// Complete the output after disposing the socket
Output.Complete(sendError);
}
}
private async Task StartAsync()
{
try
{
// Spawn send and receive logic
var receiveTask = DoReceive();
var sendTask = DoSend();
// Now wait for both to complete
await receiveTask;
await sendTask;
_receiver.Dispose();
_sender.Dispose();
// Fire the connection closed token and wait for it to complete
var waitForConnectionClosedTcs = new TaskCompletionSource <object>(TaskCreationOptions.RunContinuationsAsynchronously);
ThreadPool.UnsafeQueueUserWorkItem(state =>
{
(var connection, var tcs) = state;
connection.CancelConnectionClosedToken();
tcs.TrySetResult(null);
},
(this, waitForConnectionClosedTcs),
preferLocal: false);
await waitForConnectionClosedTcs.Task;
}
catch (Exception ex)
{
_trace.LogError(0, ex, $"Unexpected exception in {nameof(SocketConnection)}.{nameof(StartAsync)}.");
}
}