public virtual async Task StartAsync(CancellationToken cancellationToken = default)
{
HostingEventSource.Log.HostStart();
_logger = _applicationServices.GetRequiredService <ILogger <WebHost> >();
_logger.Starting();
var application = BuildApplication();
_applicationLifetime = _applicationServices.GetRequiredService <IApplicationLifetime>() as ApplicationLifetime;
_hostedServiceExecutor = _applicationServices.GetRequiredService <HostedServiceExecutor>();
var diagnosticSource = _applicationServices.GetRequiredService <DiagnosticListener>();
var httpContextFactory = _applicationServices.GetRequiredService <IHttpContextFactory>();
IHttpApplication <HostingApplication.Context> hostingApp;
hostingApp = new HostingApplication(application, _logger, diagnosticSource, httpContextFactory);
await StartAsyncApp(cancellationToken, hostingApp);
}
public virtual async Task StartAsync(CancellationToken cancellationToken = default)
{
HostingEventSource.Log.HostStart();
_logger = _applicationServices.GetRequiredService <ILoggerFactory>().CreateLogger("Microsoft.AspNetCore.Hosting.Diagnostics");
_logger.Starting();
var application = BuildApplication();
_applicationLifetime = _applicationServices.GetRequiredService <ApplicationLifetime>();
_hostedServiceExecutor = _applicationServices.GetRequiredService <HostedServiceExecutor>();
// Fire IHostedService.Start
await _hostedServiceExecutor.StartAsync(cancellationToken).ConfigureAwait(false);
var diagnosticSource = _applicationServices.GetRequiredService <DiagnosticListener>();
var httpContextFactory = _applicationServices.GetRequiredService <IHttpContextFactory>();
var hostingApp = new HostingApplication(application, _logger, diagnosticSource, httpContextFactory);
await Server.StartAsync(hostingApp, cancellationToken).ConfigureAwait(false);
_startedServer = true;
// Fire IApplicationLifetime.Started
_applicationLifetime?.NotifyStarted();
_logger.Started();
// Log the fact that we did load hosting startup assemblies.
if (_logger.IsEnabled(LogLevel.Debug))
{
foreach (var assembly in _options.GetFinalHostingStartupAssemblies())
{
_logger.LogDebug("Loaded hosting startup assembly {assemblyName}", assembly);
}
}
if (_hostingStartupErrors != null)
{
foreach (var exception in _hostingStartupErrors.InnerExceptions)
{
_logger.HostingStartupAssemblyError(exception);
}
}
}
