public Task StopAsync(CancellationToken cancellationToken)
{
if (_stopped)
{
return(Task.CompletedTask);
}
_stopped = true;
_logger?.Shutdown();
if (!cancellationToken.CanBeCanceled)
{
cancellationToken = new CancellationTokenSource(_options.ShutdownTimeout).Token;
}
// Fire IApplicationLifetime.Stopping
_applicationLifetime?.StopApplication();
// Fire the IHostedService.Stop
_hostedServiceExecutor?.Stop();
// Fire IApplicationLifetime.Stopped
_applicationLifetime?.NotifyStopped();
return(Task.CompletedTask);
}
public void Dispose()
{
_logger?.Shutdown();
// Fire IApplicationLifetime.Stopping
_applicationLifetime?.StopApplication();
// Fire the IHostedService.Stop
_hostedServiceExecutor?.Stop();
(_hostingServiceProvider as IDisposable)?.Dispose();
(_applicationServices as IDisposable)?.Dispose();
// Fire IApplicationLifetime.Stopped
_applicationLifetime?.NotifyStopped();
HostingEventSource.Log.HostStop();
}
public async Task StopAsync(CancellationToken cancellationToken = default)
{
_logger.Stopping();
using (var cts = new CancellationTokenSource(_options.ShutdownTimeout))
using (var linkedCts = CancellationTokenSource.CreateLinkedTokenSource(cts.Token, cancellationToken))
{
var token = linkedCts.Token;
// Trigger IApplicationLifetime.ApplicationStopping
_applicationLifetime?.StopApplication();
IList <Exception> exceptions = new List <Exception>();
if (_hostedServices != null) // Started?
{
foreach (var hostedService in _hostedServices.Reverse())
{
token.ThrowIfCancellationRequested();
try
{
await hostedService.StopAsync(token).ConfigureAwait(false);
}
catch (Exception ex)
{
exceptions.Add(ex);
}
}
}
token.ThrowIfCancellationRequested();
await _hostLifetime.StopAsync(token);
// Fire IApplicationLifetime.Stopped
_applicationLifetime?.NotifyStopped();
if (exceptions.Count > 0)
{
var ex = new AggregateException("One or more hosted services failed to stop.", exceptions);
_logger.StoppedWithException(ex);
throw ex;
}
}
_logger.Stopped();
}
public async Task StopAsync(CancellationToken cancellationToken = default)
{
_logger.Stopping();
// Trigger IApplicationLifetime.ApplicationStopping
_applicationLifetime?.StopApplication();
IList <Exception> exceptions = new List <Exception>();
if (_hostedServices != null) // Started?
{
foreach (var hostedService in _hostedServices.Reverse())
{
try
{
await hostedService.StopAsync(cancellationToken).ConfigureAwait(false);
}
catch (Exception ex)
{
exceptions.Add(ex);
}
}
}
await _hostLifetime.StopAsync(cancellationToken);
// Fire IApplicationLifetime.Stopped
_applicationLifetime?.NotifyStopped();
if (exceptions.Count > 0)
{
var ex = new AggregateException("One or more hosted services failed to stop.", exceptions);
_logger.StoppedWithException(ex);
throw ex;
}
_logger.Stopped();
}
private void OnCancelKeyPress(object sender, ConsoleCancelEventArgs e)
{
e.Cancel = true;
ApplicationLifetime.StopApplication();
}
private void OnProcessExit(object sender, EventArgs e)
{
ApplicationLifetime.StopApplication();
_shutdownBlock.WaitOne();
}