public async Task StartAsync(CancellationToken cancellationToken = default)
{
_logger.Starting();
var delayStart = new TaskCompletionSource <object>();
cancellationToken.Register(obj => ((TaskCompletionSource <object>)obj).TrySetCanceled(), delayStart);
_hostLifetime.RegisterDelayStartCallback(obj => ((TaskCompletionSource <object>)obj).TrySetResult(null), delayStart);
_hostLifetime.RegisterStopCallback(obj => (obj as IApplicationLifetime)?.StopApplication(), _applicationLifetime);
await delayStart.Task;
_hostedServices = Services.GetService <IEnumerable <IHostedService> >();
foreach (var hostedService in _hostedServices)
{
// Fire IHostedService.Start
await hostedService.StartAsync(cancellationToken).ConfigureAwait(false);
}
// Fire IApplicationLifetime.Started
_applicationLifetime?.NotifyStarted();
_logger.Started();
}
public async Task StartAsync(CancellationToken cancellationToken = default)
{
_logger.Starting();
using var combinedCancellationTokenSource = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken, _applicationLifetime.ApplicationStopping);
CancellationToken combinedCancellationToken = combinedCancellationTokenSource.Token;
await _hostLifetime.WaitForStartAsync(combinedCancellationToken).ConfigureAwait(false);
combinedCancellationToken.ThrowIfCancellationRequested();
_hostedServices = Services.GetService <IEnumerable <IHostedService> >();
foreach (IHostedService hostedService in _hostedServices)
{
// Fire IHostedService.Start
await hostedService.StartAsync(combinedCancellationToken).ConfigureAwait(false);
if (hostedService is BackgroundService backgroundService)
{
_ = TryExecuteBackgroundServiceAsync(backgroundService);
}
}
// Fire IHostApplicationLifetime.Started
_applicationLifetime.NotifyStarted();
_logger.Started();
}
public async Task StartAsync(CancellationToken cancellationToken = default)
{
#region
_logger.Starting();
using var combinedCancellationTokenSource = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken, _applicationLifetime.ApplicationStopping);
var combinedCancellationToken = combinedCancellationTokenSource.Token;
#endregion
await _hostLifetime.WaitForStartAsync(combinedCancellationToken);
//combinedCancellationToken.ThrowIfCancellationRequested();
_hostedServices = Services.GetService <IEnumerable <IHostedService> >();
foreach (var hostedService in _hostedServices)
{
// Fire IHostedService.Start
await hostedService.StartAsync(combinedCancellationToken).ConfigureAwait(false);
}
#region
// Fire IHostApplicationLifetime.Started
_applicationLifetime?.NotifyStarted();
_logger.Started();
#endregion
}
public async Task StartAsync(CancellationToken cancellationToken = default)
{
_logger.Starting();
await _hostLifetime.WaitForStartAsync(cancellationToken);
cancellationToken.ThrowIfCancellationRequested();
_hostedServices = Services.GetService <IEnumerable <IHostedService> >();
foreach (var hostedService in _hostedServices)
{
// Fire IHostedService.Start
await hostedService.StartAsync(cancellationToken).ConfigureAwait(false);
}
// Fire IApplicationLifetime.Started
_applicationLifetime?.NotifyStarted();
_logger.Started();
}
public virtual Task StartAsync(CancellationToken cancellationToken)
{
_logger = _applicationServices.GetRequiredService <ILogger <Host> >();
_logger.Starting();
Initialize();
_applicationLifetime = _applicationServices.GetRequiredService <IHostLifetime>() as ApplicationLifetime;
_hostedServiceExecutor = _applicationServices.GetRequiredService <HostedServiceExecutor>();
var diagnosticSource = _applicationServices.GetRequiredService <DiagnosticSource>();
// Fire IApplicationLifetime.Started
_applicationLifetime?.NotifyStarted();
// Fire IHostedService.Start
_hostedServiceExecutor.Start();
_logger.Started();
return(Task.CompletedTask);
}
public virtual void Start()
{
HostingEventSource.Log.HostStart();
_logger = _applicationServices.GetRequiredService <ILogger <Host> >();
_logger.Starting();
Initialize();
_applicationLifetime = _applicationServices.GetRequiredService <IApplicationLifetime>() as ApplicationLifetime;
_hostedServiceExecutor = _applicationServices.GetRequiredService <HostedServiceExecutor>();
var diagnosticSource = _applicationServices.GetRequiredService <DiagnosticSource>();
//var httpContextFactory = _applicationServices.GetRequiredService<IHttpContextFactory>();
//Server.Start(new HostingApplication(_application, _logger, diagnosticSource, httpContextFactory));
// Fire IApplicationLifetime.Started
_applicationLifetime?.NotifyStarted();
// Fire IHostedService.Start
_hostedServiceExecutor.Start();
_logger.Started();
}
