private void aspnetcore(JasperRegistry parent)
{
this.AddSingleton <ConnegRules>();
this.AddScoped <IHttpContextAccessor>(x => new HttpContextAccessor());
this.AddSingleton(parent.HttpRoutes.Routes.Router);
this.AddSingleton(parent.HttpRoutes.Routes);
ForSingletonOf <IUrlRegistry>().Use(parent.HttpRoutes.Routes.Router.Urls);
this.AddSingleton <IServiceProviderFactory <IServiceCollection> >(new DefaultServiceProviderFactory());
}
private static async Task <JasperRuntime> bootstrap(JasperRegistry registry)
{
if (registry.Logging.UseConsoleLogging)
{
registry.Services.AddTransient <IMessageLogger, ConsoleMessageLogger>();
registry.Services.AddTransient <ITransportLogger, ConsoleTransportLogger>();
}
var timer = new PerfTimer();
timer.Start("Bootstrapping");
timer.Record("Finding and Applying Extensions", () => { applyExtensions(registry); });
timer.Record("Bootstrapping Settings", () => registry.Settings.Bootstrap());
var handlerCompilation = registry.Bus.CompileHandlers(registry, timer);
var services = registry.CombinedServices();
var runtime = new JasperRuntime(registry, services, timer);
var featureBuilding = registry.BuildFeatures(runtime, timer);
await handlerCompilation;
await registry.Bus.Activate(runtime, registry.Generation, timer);
await featureBuilding;
await registry.Startup(runtime);
// Run environment checks
timer.Record("Environment Checks", () =>
{
var recorder = EnvironmentChecker.ExecuteAll(runtime);
if (runtime.Get <BusSettings>().ThrowOnValidationErrors)
{
recorder.AssertAllSuccessful();
}
});
timer.MarkStart("Register Node");
await registerRunningNode(runtime);
timer.MarkFinished("Register Node");
timer.Stop();
return(runtime);
}
/// <summary>
/// Add Jasper to an ASP.Net Core application with optional configuration to Jasper
/// </summary>
/// <param name="builder"></param>
/// <param name="overrides">Programmatically configure Jasper options</param>
/// <param name="configure">Programmatically configure Jasper options using the application's IConfiguration and IHostingEnvironment</param>
/// <returns></returns>
public static IWebHostBuilder UseJasper(this IWebHostBuilder builder, Action <JasperRegistry> overrides = null, Action <WebHostBuilderContext, JasperOptions> configure = null)
{
var registry = new JasperRegistry(builder.GetSetting(WebHostDefaults.ApplicationKey));
overrides?.Invoke(registry);
if (configure != null)
{
registry.Settings.Messaging(configure);
}
return(builder.UseJasper(registry));
}
public static Assembly DetermineApplicationAssembly(JasperRegistry registry)
{
var assembly = registry.GetType().GetAssembly();
var isFeature = assembly.GetCustomAttribute <JasperFeatureAttribute>() != null;
if (!Equals(assembly, typeof(JasperRegistry).GetAssembly()) && !isFeature)
{
return(assembly);
}
else
{
return(CallingAssembly.Find());
}
}
private JasperRuntime(JasperRegistry registry, PerfTimer timer)
{
Bootstrapping = timer;
registry.CodeGeneration.Sources.Add(new NowTimeVariableSource());
registry.CodeGeneration.Assemblies.Add(GetType().GetTypeInfo().Assembly);
registry.CodeGeneration.Assemblies.Add(registry.ApplicationAssembly);
Registry = registry;
_bus = new Lazy <IMessageContext>(Get <IMessageContext>);
}
private void conneg(JasperRegistry parent)
{
this.AddOptions();
var forwarding = new Forwarders();
For <Forwarders>().Use(forwarding);
Scan(_ =>
{
_.Assembly(parent.ApplicationAssembly);
_.AddAllTypesOf <IMessageSerializer>();
_.AddAllTypesOf <IMessageDeserializer>();
_.With(new ForwardingRegistration(forwarding));
});
}
private static void applyExtensions(JasperRegistry registry)
{
var assemblies = FindExtensionAssemblies();
if (!assemblies.Any())
{
return;
}
var extensions = assemblies
.Select(x => x.GetAttribute <JasperModuleAttribute>().ExtensionType)
.Where(x => x != null)
.Select(x => TypeExtensions.As <IJasperExtension>(Activator.CreateInstance(x)))
.ToArray();
registry.ApplyExtensions(extensions);
}
private void messaging(JasperRegistry parent)
{
ForSingletonOf <MessagingSerializationGraph>().Use <MessagingSerializationGraph>();
For <IEnvelopePersistor>().Use <NulloEnvelopePersistor>();
this.AddSingleton <InMemorySagaPersistor>();
this.AddSingleton(parent.Messaging.Graph);
this.AddSingleton <IChannelGraph>(parent.Messaging.Channels);
this.AddSingleton <ILocalWorkerSender>(parent.Messaging.LocalWorker);
this.AddSingleton <IRetries, EnvelopeRetries>();
For <ITransport>()
.Use <LoopbackTransport>();
For <ITransport>()
.Use <TcpTransport>();
ForSingletonOf <IMessagingRoot>().Use <MessagingRoot>();
ForSingletonOf <ObjectPoolProvider>().Use(new DefaultObjectPoolProvider());
MessagingRootService(x => x.Workers);
MessagingRootService(x => x.Pipeline);
MessagingRootService(x => x.Router);
MessagingRootService(x => x.Lookup);
MessagingRootService(x => x.ScheduledJobs);
For <IMessageContext>().Use(new MessageContextInstance());
ForSingletonOf <ITransportLogger>().Use <TransportLogger>();
ForSingletonOf <INodeDiscovery>().UseIfNone(new InMemoryNodeDiscovery(parent.MessagingSettings));
ForSingletonOf <ISubscriptionsRepository>().UseIfNone <DefaultSubscriptionsRepository>();
For <IUriLookup>().Use <ConfigUriLookup>();
For <IEnvironmentRecorder>().Use <EnvironmentRecorder>();
}
private static void applyExtensions(JasperRegistry registry)
{
var assemblies = AssemblyFinder
.FindAssemblies(a => a.HasAttribute <JasperModuleAttribute>())
.ToArray();
if (!assemblies.Any())
{
return;
}
var extensions = assemblies
.Select(x => x.GetAttribute <JasperModuleAttribute>().ExtensionType)
.Select(x => Activator.CreateInstance(x).As <IJasperExtension>())
.ToArray();
registry.ApplyExtensions(extensions);
}
private static async Task applyExtensions(JasperRegistry registry, IEnumerable <Assembly> assemblies)
{
if (!assemblies.Any())
{
return;
}
Func <Type, bool> filter = type => type.CanBeCastTo <IJasperExtension>() && type.IsConcreteWithDefaultCtor();
var extensionTypes = await TypeRepository.FindTypes(assemblies,
TypeClassification.Concretes | TypeClassification.Closed, filter).ConfigureAwait(false);
foreach (var extensionType in extensionTypes)
{
var extension = Activator.CreateInstance(extensionType).As <IJasperExtension>();
extension.Configure(registry);
}
}
private static async Task <JasperRuntime> bootstrap(JasperRegistry registry)
{
applyExtensions(registry);
registry.Settings.Bootstrap();
var features = registry.Features;
var serviceRegistries = await Task.WhenAll(features.Select(x => x.Bootstrap(registry)))
.ConfigureAwait(false);
var collections = new List <IServiceCollection>();
collections.AddRange(serviceRegistries);
collections.Add(registry.ExtensionServices);
collections.Add(registry.Services);
var services = await ServiceCollectionExtensions.Combine(collections.ToArray());
registry.Generation.ReadServices(services);
var runtime = new JasperRuntime(registry, services);
registry.Http.As <IWebHostBuilder>().UseSetting(WebHostDefaults.ApplicationKey, registry.ApplicationAssembly.FullName);
runtime.HttpAddresses = registry.Http.As <IWebHostBuilder>().GetSetting(WebHostDefaults.ServerUrlsKey);
await Task.WhenAll(features.Select(x => x.Activate(runtime, registry.Generation)))
.ConfigureAwait(false);
// Run environment checks
var recorder = EnvironmentChecker.ExecuteAll(runtime);
if (runtime.Get <BusSettings>().ThrowOnValidationErrors)
{
recorder.AssertAllSuccessful();
}
await registerRunningNode(runtime);
return(runtime);
}
private void messaging(JasperRegistry parent)
{
this.AddSingleton(parent.Bus.Graph);
this.AddSingleton <IChannelGraph>(parent.Bus.Channels);
this.AddSingleton <ILocalWorkerSender>(parent.Bus.LocalWorker);
For <ITransport>()
.Use <LoopbackTransport>();
For <ITransport>()
.Use <TcpTransport>();
ForSingletonOf <MessagingRoot>().Use <MessagingRoot>();
ForSingletonOf <ObjectPoolProvider>().Use(new DefaultObjectPoolProvider());
this.AddSingleton <IWorkerQueue>(s => s.GetService <MessagingRoot>().Workers);
this.AddSingleton(s => s.GetService <MessagingRoot>().Pipeline);
this.AddSingleton(s => s.GetService <MessagingRoot>().Serialization);
this.AddTransient(s => s.GetService <MessagingRoot>().Build());
this.AddSingleton(s => s.GetService <MessagingRoot>().Logger);
this.AddSingleton(s => s.GetService <MessagingRoot>().Router);
this.AddSingleton(s => s.GetService <MessagingRoot>().Lookup);
this.AddSingleton(s => s.GetService <MessagingRoot>().ScheduledJobs);
ForSingletonOf <CompositeTransportLogger>().Use <CompositeTransportLogger>();
ForSingletonOf <INodeDiscovery>().UseIfNone(new InMemoryNodeDiscovery(parent.BusSettings));
ForSingletonOf <ISubscriptionsRepository>().UseIfNone(new InMemorySubscriptionsRepository());
For <IUriLookup>().Use <ConfigUriLookup>();
For <IPersistence>().Use <NulloPersistence>();
For <IEnvironmentRecorder>().Use <EnvironmentRecorder>();
}
private JasperRuntime(JasperRegistry registry, Registry[] serviceRegistries)
{
Container = new Container(_ =>
{
_.AddRegistry(registry.Services);
foreach (var serviceRegistry in serviceRegistries)
{
_.AddRegistry(serviceRegistry);
}
})
{
DisposalLock = DisposalLock.Ignore
};
registry.Generation.Sources.Add(new StructureMapServices(Container));
registry.Generation.Assemblies.Add(GetType().GetTypeInfo().Assembly);
registry.Generation.Assemblies.Add(registry.ApplicationAssembly);
_registry = registry;
}
public JasperServiceRegistry(JasperRegistry parent)
{
For <IMetrics>().Use <NulloMetrics>();
For <IHostedService>().Use <MetricsCollector>();
this.AddLogging();
For <IMessageLogger>().Use <MessageLogger>().Singleton();
For <ITransportLogger>().Use <TransportLogger>().Singleton();
this.AddSingleton(parent.CodeGeneration);
For <IHostedService>().Use <NodeRegistration>();
For <IHostedService>().Use <BackPressureAgent>();
conneg(parent);
messaging(parent);
aspnetcore(parent);
}
private static async Task <JasperRuntime> bootstrap(JasperRegistry registry)
{
/*
* Questions:
* Pre-load settings that we know we're looking for?
*
*
* 1. Look for extensions
* 2. Apply all extensions
* 3. Do all the necessary Settings stuff
* 4. Activate each feature in parallel
* 5. Apply services
* 6. Activate each in parallel
*
*
*
*/
var assemblies = AssemblyFinder.FindAssemblies(a => a.HasAttribute <JasperModuleAttribute>());
await applyExtensions(registry, assemblies).ConfigureAwait(false);
registry.Settings.Bootstrap();
var features = registry.Features;
var serviceRegistries = await Task.WhenAll(features.Select(x => x.Bootstrap(registry)))
.ConfigureAwait(false);
var runtime = new JasperRuntime(registry, serviceRegistries);
await Task.WhenAll(features.Select(x => x.Activate(runtime, registry.Generation)))
.ConfigureAwait(false);
return(runtime);
}
private JasperRuntime(JasperRegistry registry, IServiceCollection services)
{
services.AddSingleton(this);
Services = services.ToImmutableArray();
Container = new Container(_ =>
{
_.Populate(services);
})
{
DisposalLock = DisposalLock.Ignore
};
registry.Generation.Sources.Add(new NowTimeVariableSource());
registry.Generation.Assemblies.Add(GetType().GetTypeInfo().Assembly);
registry.Generation.Assemblies.Add(registry.ApplicationAssembly);
_registry = registry;
_bus = new Lazy <IServiceBus>(Get <IServiceBus>);
}
private void messaging(JasperRegistry parent)
{
ForSingletonOf <MessagingSerializationGraph>().Use <MessagingSerializationGraph>();
For <IEnvelopePersistor>().Use <NulloEnvelopePersistor>();
this.AddSingleton <InMemorySagaPersistor>();
this.AddSingleton(parent.Messaging.Graph);
this.AddSingleton <ISubscriberGraph>(parent.Messaging.Subscribers);
this.AddSingleton <ILocalWorkerSender>(parent.Messaging.LocalWorker);
this.AddSingleton <IRetries, EnvelopeRetries>();
For <ITransport>()
.Use <LoopbackTransport>();
For <ITransport>()
.Use <TcpTransport>();
ForSingletonOf <IMessagingRoot>().Use <MessagingRoot>();
ForSingletonOf <ObjectPoolProvider>().Use(new DefaultObjectPoolProvider());
MessagingRootService(x => x.Workers);
MessagingRootService(x => x.Pipeline);
MessagingRootService(x => x.Router);
MessagingRootService(x => x.ScheduledJobs);
For <IMessageContext>().Use(new MessageContextInstance());
ForSingletonOf <ITransportLogger>().Use <TransportLogger>();
For <IEnvironmentRecorder>().Use <EnvironmentRecorder>();
}
private static async Task <JasperRuntime> bootstrap(JasperRegistry registry)
{
applyExtensions(registry);
registry.Settings.Bootstrap();
var features = registry.Features;
var serviceRegistries = await Task.WhenAll(features.Select(x => x.Bootstrap(registry)))
.ConfigureAwait(false);
var collections = new List <IServiceCollection>();
collections.AddRange(serviceRegistries);
collections.Add(registry.ExtensionServices);
collections.Add(registry.Services);
var services = await ServiceCollectionExtensions.Combine(collections.ToArray());
registry.Generation.ReadServices(services);
var runtime = new JasperRuntime(registry, services);
await Task.WhenAll(features.Select(x => x.Activate(runtime, registry.Generation)))
.ConfigureAwait(false);
// TODO -- THIS IS TEMPORARY UNTIL WE DO GH-212
var hostedServices = runtime.Container.GetAllInstances <IHostedService>()
.Select(x => x.StartAsync(CancellationToken.None));
await Task.WhenAll(hostedServices);
return(runtime);
}
private JasperRuntime(JasperRegistry registry, IServiceCollection services, PerfTimer timer)
{
Bootstrapping = timer;
services.AddSingleton(this);
timer.Record("new Container()", () =>
{
Container = new Container(services, timer)
{
DisposalLock = DisposalLock.Ignore
};
});
registry.Generation.Sources.Add(new NowTimeVariableSource());
registry.Generation.Assemblies.Add(GetType().GetTypeInfo().Assembly);
registry.Generation.Assemblies.Add(registry.ApplicationAssembly);
Registry = registry;
_bus = new Lazy <IServiceBus>(Get <IServiceBus>);
}
/// <summary>
/// Builds and initializes a JasperRuntime for the registry
/// </summary>
/// <param name="registry"></param>
/// <returns></returns>
public static Task <JasperRuntime> ForAsync(JasperRegistry registry)
{
return(bootstrap(registry));
}
public static JasperRuntime For(JasperRegistry registry)
{
return(bootstrap(registry).GetAwaiter().GetResult());
}
private static async Task <JasperRuntime> bootstrap(JasperRegistry registry)
{
var timer = new PerfTimer();
timer.Start("Bootstrapping");
timer.Record("Finding and Applying Extensions", () =>
{
applyExtensions(registry);
});
var buildingServices = Task.Factory.StartNew(() =>
{
return(timer.Record("Combining Services and Building Settings", registry.CompileConfigurationAndServicesForIdiomaticBootstrapping));
});
var handlerCompilation = registry.Messaging.CompileHandlers(registry, timer);
var runtime = new JasperRuntime(registry, timer);
var services = await buildingServices;
services.AddSingleton(runtime);
var container = await Lamar.Container.BuildAsync(services, timer);
container.DisposalLock = DisposalLock.Ignore;
runtime.Container = container;
var routeDiscovery = registry.HttpRoutes.Enabled
? registry.HttpRoutes.FindRoutes(runtime, registry, timer)
: Task.CompletedTask;
runtime.buildAspNetCoreServer(services);
await routeDiscovery;
await Task.WhenAll(runtime.startAspNetCoreServer(), handlerCompilation, runtime.startHostedServices());
// Run environment checks
timer.Record("Environment Checks", () =>
{
var recorder = EnvironmentChecker.ExecuteAll(runtime);
if (runtime.Settings.ThrowOnValidationErrors)
{
recorder.AssertAllSuccessful();
}
});
_lifetime = TypeExtensions.As <ApplicationLifetime>(container.GetInstance <IApplicationLifetime>());
_lifetime.NotifyStarted();
timer.Stop();
return(runtime);
}
public Logging(JasperRegistry parent)
{
_parent = parent;
}
/// <summary>
/// Builds and initializes a JasperRuntime for the registry
/// </summary>
/// <param name="registry"></param>
/// <returns></returns>
public static JasperRuntime For(JasperRegistry registry)
{
return(ForAsync(registry).GetAwaiter().GetResult());
}