public WebHost(
IServiceCollection appServices,
IServiceProvider hostingServiceProvider,
WebHostOptions options,
IConfiguration config)
{
if (appServices == null)
{
throw new ArgumentNullException(nameof(appServices));
}
if (hostingServiceProvider == null)
{
throw new ArgumentNullException(nameof(hostingServiceProvider));
}
if (config == null)
{
throw new ArgumentNullException(nameof(config));
}
_config = config;
_options = options;
_applicationServiceCollection = appServices;
_hostingServiceProvider = hostingServiceProvider;
_applicationLifetime = new ApplicationLifetime();
_applicationServiceCollection.AddSingleton <IApplicationLifetime>(_applicationLifetime);
}
public WebHost(
IServiceCollection appServices,
IServiceProvider hostingServiceProvider,
WebHostOptions options,
IConfiguration config)
{
if (appServices == null)
{
throw new ArgumentNullException(nameof(appServices));
}
if (hostingServiceProvider == null)
{
throw new ArgumentNullException(nameof(hostingServiceProvider));
}
if (config == null)
{
throw new ArgumentNullException(nameof(config));
}
_config = config;
_options = options;
_applicationServiceCollection = appServices;
_hostingServiceProvider = hostingServiceProvider;
_applicationLifetime = new ApplicationLifetime();
_applicationServiceCollection.AddSingleton<IApplicationLifetime>(_applicationLifetime);
}
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);
}
}
}
private static IServiceCollection GetInitialServiceCollection()
{
var serviceCollection = new ServiceCollection();
var diagnosticSource = new DiagnosticListener(TestFrameworkName);
var applicationLifetime = new ApplicationLifetime();
// default server services
serviceCollection.AddSingleton(Environment);
serviceCollection.AddSingleton<IApplicationLifetime>(applicationLifetime);
serviceCollection.AddSingleton<ILoggerFactory>(LoggerFactoryMock.Create());
serviceCollection.AddLogging();
serviceCollection.AddTransient<IApplicationBuilderFactory, ApplicationBuilderFactory>();
serviceCollection.AddTransient<IHttpContextFactory, HttpContextFactory>();
serviceCollection.AddOptions();
serviceCollection.AddSingleton<DiagnosticSource>(diagnosticSource);
serviceCollection.AddSingleton(diagnosticSource);
serviceCollection.AddTransient<IStartupFilter, AutoRequestServicesStartupFilter>();
serviceCollection.AddTransient<IServiceProviderFactory<IServiceCollection>, DefaultServiceProviderFactory>();
serviceCollection.AddSingleton<ObjectPoolProvider, DefaultObjectPoolProvider>();
return serviceCollection;
}