private async Task ProcessAsync(Uri url, HttpResponseMessage response)
{
// Start sending and polling (ask for binary if the server supports it)
var receiving = ProcessEventStream(_application, response, _transportCts.Token);
var sending = SendUtils.SendMessages(url, _application, _httpClient, _logger);
// Wait for send or receive to complete
var trigger = await Task.WhenAny(receiving, sending);
if (trigger == receiving)
{
// We're waiting for the application to finish and there are 2 things it could be doing
// 1. Waiting for application data
// 2. Waiting for an outgoing send (this should be instantaneous)
// Cancel the application so that ReadAsync yields
_application.Input.CancelPendingRead();
}
else
{
// Set the sending error so we communicate that to the application
_error = sending.IsFaulted ? sending.Exception.InnerException : null;
_transportCts.Cancel();
// Cancel any pending flush so that we can quit
_application.Output.CancelPendingFlush();
}
}
private async Task ProcessAsync(Uri url)
{
// Start sending and polling (ask for binary if the server supports it)
var receiving = Poll(url, _transportCts.Token);
var sending = SendUtils.SendMessages(url, _application, _httpClient, _logger);
// Wait for send or receive to complete
var trigger = await Task.WhenAny(receiving, sending);
if (trigger == receiving)
{
// We don't need to DELETE here because the poll completed, which means the server shut down already.
// We're waiting for the application to finish and there are 2 things it could be doing
// 1. Waiting for application data
// 2. Waiting for an outgoing send (this should be instantaneous)
// Cancel the application so that ReadAsync yields
_application.Input.CancelPendingRead();
await sending;
}
else
{
// Set the sending error so we communicate that to the application
_error = sending.IsFaulted ? sending.Exception.InnerException : null;
// Cancel the poll request
_transportCts.Cancel();
// Cancel any pending flush so that we can quit
_application.Output.CancelPendingFlush();
await receiving;
// Send the DELETE request to clean-up the connection on the server.
await SendDeleteRequest(url);
}
}