public static IServiceCollection AddHosting(this IServiceCollection services, IConfiguration configuration = null)
{
var describer = new ServiceDescriber(configuration);
services.TryAdd(describer.Transient <IHostingEngine, HostingEngine>());
services.TryAdd(describer.Transient <IServerManager, ServerManager>());
services.TryAdd(describer.Transient <IStartupManager, StartupManager>());
services.TryAdd(describer.Transient <IStartupLoaderProvider, StartupLoaderProvider>());
services.TryAdd(describer.Transient <IApplicationBuilderFactory, ApplicationBuilderFactory>());
services.TryAdd(describer.Transient <IHttpContextFactory, HttpContextFactory>());
services.TryAdd(describer.Instance <IApplicationLifetime>(new ApplicationLifetime()));
services.AddTypeActivator(configuration);
// TODO: Do we expect this to be provide by the runtime eventually?
services.AddLogging(configuration);
// REVIEW: okay to use existing hosting environment/httpcontext if specified?
services.TryAdd(describer.Singleton <IHostingEnvironment, HostingEnvironment>());
// TODO: Remove this once we have IHttpContextAccessor
services.AddContextAccessor(configuration);
// REVIEW: don't try add because we pull out IEnumerable<IConfigureHostingEnvironment>?
services.AddInstance <IConfigureHostingEnvironment>(new ConfigureHostingEnvironment(configuration));
return(services);
}
// REVIEW: Logging doesn't depend on DI, where should this live?
public static IServiceCollection AddLogging(this IServiceCollection services, IConfiguration config = null)
{
var describe = new ServiceDescriber(config);
services.TryAdd(describe.Singleton <ILoggerFactory, LoggerFactory>());
return(services);
}
public static IServiceCollection AddTypeActivator([NotNull] this IServiceCollection services, IConfiguration config = null)
{
var describe = new ServiceDescriber(config);
services.TryAdd(describe.Singleton <ITypeActivator, TypeActivator>());
return(services);
}
public static IServiceCollection AddSignalR(this IServiceCollection services, IConfiguration configuration, Action <SignalROptions> configureOptions = null)
{
var describe = new ServiceDescriber(configuration);
// Dependencies
services.AddOptions(configuration);
services.AddDataProtection(configuration);
// SignalR services
services.TryAdd(describe.Singleton <IMessageBus, MessageBus>());
services.TryAdd(describe.Singleton <IMemoryPool, MemoryPool>());
services.TryAdd(describe.Singleton <IStringMinifier, StringMinifier>());
services.TryAdd(describe.Singleton <ITransportManager, TransportManager>());
services.TryAdd(describe.Singleton <ITransportHeartbeat, TransportHeartbeat>());
services.TryAdd(describe.Singleton <IConnectionManager, ConnectionManager>());
services.TryAdd(describe.Singleton <IAckHandler, AckHandler>());
services.TryAdd(describe.Singleton <AckSubscriber, AckSubscriber>());
services.TryAdd(describe.Singleton <IAssemblyLocator, DefaultAssemblyLocator>());
services.TryAdd(describe.Singleton <IHubManager, DefaultHubManager>());
services.TryAdd(describe.Singleton <IMethodDescriptorProvider, ReflectedMethodDescriptorProvider>());
services.TryAdd(describe.Singleton <IHubDescriptorProvider, ReflectedHubDescriptorProvider>());
services.TryAdd(describe.Singleton <IPerformanceCounterManager, PerformanceCounterManager>());
services.TryAdd(describe.Singleton <JsonSerializer, JsonSerializer>());
services.TryAdd(describe.Singleton <IUserIdProvider, PrincipalUserIdProvider>());
services.TryAdd(describe.Singleton <IParameterResolver, DefaultParameterResolver>());
services.TryAdd(describe.Singleton <IHubActivator, DefaultHubActivator>());
services.TryAdd(describe.Singleton <IJavaScriptProxyGenerator, DefaultJavaScriptProxyGenerator>());
services.TryAdd(describe.Singleton <IJavaScriptMinifier, NullJavaScriptMinifier>());
services.TryAdd(describe.Singleton <IHubRequestParser, HubRequestParser>());
services.TryAdd(describe.Singleton <IHubPipelineInvoker, HubPipeline>());
services.TryAdd(describe.Singleton(typeof(IPersistentConnectionContext <>), typeof(PersistentConnectionContextService <>)));
services.TryAdd(describe.Singleton(typeof(IHubContext <>), typeof(HubContextService <>)));
services.TryAdd(describe.Singleton(typeof(IHubContext <,>), typeof(HubContextService <,>)));
// TODO: Just use the new IDataProtectionProvider abstraction directly here
services.TryAdd(describe.Singleton <IProtectedData, DataProtectionProviderProtectedData>());
// Setup the default SignalR options
services.TryAdd(describe.Transient <IConfigureOptions <SignalROptions>, SignalROptionsSetup>());
if (configuration != null)
{
services.Configure <SignalROptions>(configuration);
}
if (configureOptions != null)
{
services.ConfigureSignalR(configureOptions);
}
return(services);
}
private static IEnumerable <IServiceDescriptor> GetDefaultServicesWindows(ServiceDescriber describe)
{
List <ServiceDescriptor> descriptors = new List <ServiceDescriptor>();
// Are we running in Azure Web Sites?
DirectoryInfo azureWebSitesKeysFolder = TryGetKeysFolderForAzureWebSites();
if (azureWebSitesKeysFolder != null)
{
// We'll use a null protector at the moment until the
// cloud DPAPI service comes online.
descriptors.AddRange(new[]
{
describe.Singleton <IXmlEncryptor, NullXmlEncryptor>(),
describe.Instance <IXmlRepository>(new FileSystemXmlRepository(azureWebSitesKeysFolder))
});
}
else
{
// Are we running with the user profile loaded?
DirectoryInfo localAppDataKeysFolder = TryGetLocalAppDataKeysFolderForUser();
if (localAppDataKeysFolder != null)
{
descriptors.AddRange(new[]
{
describe.Instance <IXmlEncryptor>(new DpapiXmlEncryptor(protectToLocalMachine: false)),
describe.Instance <IXmlRepository>(new FileSystemXmlRepository(localAppDataKeysFolder))
});
}
else
{
// If we've reached this point, we have no user profile loaded.
RegistryXmlRepository hklmRegXmlRepository = RegistryXmlRepository.GetDefaultRepositoryForHKLMRegistry();
if (hklmRegXmlRepository != null)
{
// Have WAS and IIS created an auto-gen key folder in the HKLM registry for us?
// If so, use it as the repository, and use DPAPI as the key protection mechanism.
// We use same-machine DPAPI since we already know no user profile is loaded.
descriptors.AddRange(new[]
{
describe.Instance <IXmlEncryptor>(new DpapiXmlEncryptor(protectToLocalMachine: true)),
describe.Instance <IXmlRepository>(hklmRegXmlRepository)
});
}
else
{
// Fall back to DPAPI for now
return(new[] {
describe.Instance <IDataProtectionProvider>(new DpapiDataProtectionProvider(DataProtectionScope.LocalMachine))
});
}
}
}
// We use CNG CBC + HMAC by default.
descriptors.AddRange(new[]
{
describe.Singleton <IAuthenticatedEncryptorConfigurationFactory, CngCbcAuthenticatedEncryptorConfigurationFactory>(),
describe.Singleton <ITypeActivator, TypeActivator>(),
describe.Singleton <IKeyManager, XmlKeyManager>(),
describe.Singleton <IDataProtectionProvider, DefaultDataProtectionProvider>()
});
return(descriptors);
}
public IServiceCollection AddSingleton(Type service, Type implementationType)
{
Add(_describe.Singleton(service, implementationType));
return(this);
}