private async Task CompilesInLimitedStackSpace(ServiceProviderMode mode, Type serviceType)
{
// Arrange
var stackSize = 256 * 1024;
var serviceCollection = new ServiceCollection();
CompilationTestDataProvider.Register(serviceCollection);
var serviceProvider = serviceCollection.BuildServiceProvider(mode);
// Act + Assert
var tsc = new TaskCompletionSource <object>();
var thread = new Thread(() =>
{
try
{
object service = null;
for (int i = 0; i < 10; i++)
{
service = serviceProvider.GetService(serviceType);
}
tsc.SetResult(service);
}
catch (Exception ex)
{
tsc.SetException(ex);
}
}, stackSize);
thread.Start();
thread.Join();
await tsc.Task;
}
public ServiceProviderFactory(IUnityContainer container, ServiceProviderMode mode = ServiceProviderMode.ChildContainerPerProvider)
{
_container = container ?? new UnityContainer();
_mode = mode;
((UnityContainer)_container).AddExtension(new MdiExtension());
_container.RegisterInstance <IServiceProviderFactory <IUnityContainer> >(this, new ContainerControlledLifetimeManager());
_container.RegisterInstance <IServiceProviderFactory <IServiceCollection> >(this, new ExternallyControlledLifetimeManager());
}
private void NoServiceCallsite_DefaultValueNull_DoesNotThrow(ServiceProviderMode mode)
{
var descriptors = new ServiceCollection();
descriptors.AddTransient <ServiceG>();
var provider = descriptors.BuildServiceProvider(mode);
ServiceF instance = ActivatorUtilities.CreateInstance <ServiceF>(provider);
Assert.NotNull(instance);
}
private void ScopedServiceResolvedFromSingletonAfterCompilation2(ServiceProviderMode mode)
{
ServiceProvider sp = new ServiceCollection()
.AddScoped <A>()
.AddSingleton <IFakeOpenGenericService <A>, FakeOpenGenericService <A> >()
.BuildServiceProvider(mode);
var scope = sp.CreateScope();
for (int i = 0; i < 50; i++)
{
scope.ServiceProvider.GetRequiredService <A>();
Thread.Sleep(10); // Give the background thread time to compile
}
Assert.Same(sp.GetRequiredService <IFakeOpenGenericService <A> >().Value, sp.GetRequiredService <A>());
}
public static ServiceProvider BuildServiceProvider(this IServiceCollection services, ServiceProviderMode mode)
{
if (mode == ServiceProviderMode.Default)
{
return(services.BuildServiceProvider());
}
IServiceProviderEngine engine = mode switch
{
ServiceProviderMode.Dynamic => new DynamicServiceProviderEngine(services),
ServiceProviderMode.Runtime => new RuntimeServiceProviderEngine(services),
ServiceProviderMode.Expressions => new ExpressionsServiceProviderEngine(services),
ServiceProviderMode.ILEmit => new ILEmitServiceProviderEngine(services),
_ => throw new NotSupportedException()
};
return(new ServiceProvider(services, engine, ServiceProviderOptions.Default));
}
}
public static ServiceProvider BuildServiceProvider(this IServiceCollection services, ServiceProviderMode mode, ServiceProviderOptions options = null)
{
options ??= ServiceProviderOptions.Default;
if (mode == ServiceProviderMode.Default)
{
return(services.BuildServiceProvider(options));
}
var provider = new ServiceProvider(services, ServiceProviderOptions.Default);
ServiceProviderEngine engine = mode switch
{
ServiceProviderMode.Dynamic => new DynamicServiceProviderEngine(provider),
ServiceProviderMode.Runtime => RuntimeServiceProviderEngine.Instance,
ServiceProviderMode.Expressions => new ExpressionsServiceProviderEngine(provider),
ServiceProviderMode.ILEmit => new ILEmitServiceProviderEngine(provider),
_ => throw new NotSupportedException()
};
provider._engine = engine;
return(provider);
}
}
public static IWebHostBuilder UseUnityServiceProvider(this IWebHostBuilder hostBuilder, IUnityContainer container = null, ServiceProviderMode mode = ServiceProviderMode.ChildContainerPerProvider)
{
_factory = new ServiceProviderFactory(container, mode);
#if NETCOREAPP1_1
return(hostBuilder.ConfigureServices((services) =>
{
services.Replace(ServiceDescriptor.Singleton <IServiceProviderFactory <IUnityContainer> >(_factory));
services.Replace(ServiceDescriptor.Singleton <IServiceProviderFactory <IServiceCollection> >(_factory));
}));
#else
return(hostBuilder.ConfigureServices((context, services) =>
{
services.Replace(ServiceDescriptor.Singleton <IServiceProviderFactory <IUnityContainer> >(_factory));
services.Replace(ServiceDescriptor.Singleton <IServiceProviderFactory <IServiceCollection> >(_factory));
}));
#endif
}