private void ConfigureMassTransit(IServiceCollection services, ContainerBuilder containerBuilder)
{
services.AddScoped <IHostedService, MassTransitHostedService>();
//services.AddScoped<UserCheckoutAcceptedIntegrationEventHandler>();
containerBuilder.Register(c =>
{
var busControl = Bus.Factory.CreateUsingRabbitMq(sbc =>
{
var host = sbc.Host(new Uri(Configuration["EventBus:Uri"]), h =>
{
h.Username(Configuration["EventBus:Username"]);
h.Password(Configuration["EventBus:Password"]);
});
/*sbc.ReceiveEndpoint(host, "basket_checkout_queue", e =>
* {
* e.Consumer<UserCheckoutAcceptedIntegrationEventHandler>(c);
* });*/
sbc.UseExtensionsLogging(_loggerFactory);
});
var consumeObserver = new ConsumeObserver(_loggerFactory.CreateLogger <ConsumeObserver>());
busControl.ConnectConsumeObserver(consumeObserver);
var sendObserver = new SendObserver(_loggerFactory.CreateLogger <SendObserver>());
busControl.ConnectSendObserver(sendObserver);
return(busControl);
})
.As <IBusControl>()
.As <IPublishEndpoint>()
.SingleInstance();
}
public async Task Should_trigger_the_send_message_observer_for_both_messages()
{
var observer = new SendObserver(this);
var mediator = MassTransit.Bus.Factory.CreateMediator(cfg =>
{
});
mediator.ConnectSendObserver(observer);
TaskCompletionSource <ConsumeContext <PingMessage> > received = GetTask <ConsumeContext <PingMessage> >();
var handle = mediator.ConnectHandler <PingMessage>(x =>
{
received.SetResult(x);
return(x.RespondAsync(new PongMessage()));
});
await mediator.Send(new PingMessage());
await received.Task;
handle.Disconnect();
await observer.PreSent;
await observer.PostSent;
Assert.That(observer.PreSentCount, Is.EqualTo(2));
Assert.That(observer.PostSentCount, Is.EqualTo(2));
}
protected override void ConnectObservers(IBus bus)
{
base.ConnectObservers(bus);
_observer = new SendObserver();
bus.ConnectSendObserver(_observer);
}
// This method gets called by the runtime. Use this method to add services to the container.
public IServiceProvider ConfigureServices(IServiceCollection services)
{
services.AddMvc().SetCompatibilityVersion(CompatibilityVersion.Version_2_1);
services.Configure <PaymentSettings>(Configuration);
services.AddEntityFrameworkNpgsql().AddDbContext <PaymentContext>(options =>
{
options.UseNpgsql(Configuration["ConnectionString"],
npgsqlOptionsAction: sqlOptions =>
{
sqlOptions.MigrationsAssembly(typeof(Startup).GetTypeInfo().Assembly.GetName().Name);
//Configuring Connection Resiliency: https://docs.microsoft.com/en-us/ef/core/miscellaneous/connection-resiliency
sqlOptions.EnableRetryOnFailure(maxRetryCount: 5);
});
// Changing default behavior when client evaluation occurs to throw.
// Default in EF Core would be to log a warning when client evaluation is performed.
options.ConfigureWarnings(warnings => warnings.Throw(RelationalEventId.QueryClientEvaluationWarning));
//Check Client vs. Server evaluation: https://docs.microsoft.com/en-us/ef/core/querying/client-eval
});
var containerBuilder = new ContainerBuilder();
services.AddScoped <IHostedService, MassTransitHostedService>();
services.AddScoped <OrderStatusChangedToStockConfirmedIntegrationEventHandler>();
containerBuilder.Register(c =>
{
var busControl = Bus.Factory.CreateUsingRabbitMq(sbc =>
{
var host = sbc.Host(new Uri(Configuration["EventBusConnection"]), h =>
{
h.Username(Configuration["EventBusUserName"]);
h.Password(Configuration["EventBusPassword"]);
});
sbc.ReceiveEndpoint(host, "validate_payment_queue", e =>
{
e.Consumer <OrderStatusChangedToStockConfirmedIntegrationEventHandler>(c);
});
sbc.UseExtensionsLogging(_loggerFactory);
});
var consumeObserver = new ConsumeObserver(_loggerFactory.CreateLogger <ConsumeObserver>());
busControl.ConnectConsumeObserver(consumeObserver);
var sendObserver = new SendObserver(_loggerFactory.CreateLogger <SendObserver>());
busControl.ConnectSendObserver(sendObserver);
return(busControl);
})
.As <IBusControl>()
.As <IPublishEndpoint>()
.SingleInstance();
containerBuilder.Populate(services);
return(new AutofacServiceProvider(containerBuilder.Build()));
}
private void ConfigureMassTransit(IServiceCollection services, ContainerBuilder containerBuilder)
{
services.AddScoped <IHostedService, MassTransitHostedService>();
services.AddScoped <UserCheckoutAcceptedIntegrationEventHandler>();
containerBuilder.Register(c =>
{
var busControl = Bus.Factory.CreateUsingRabbitMq(sbc =>
{
var host = sbc.Host(new Uri(Configuration["EventBusConnection"]), h =>
{
h.Username(Configuration["EventBusUserName"]);
h.Password(Configuration["EventBusPassword"]);
});
sbc.ReceiveEndpoint(host, "basket_checkout_queue", e =>
{
e.Consumer <UserCheckoutAcceptedIntegrationEventHandler>(c);
});
sbc.ReceiveEndpoint(host, "stock_confirmed_queue", e =>
{
});
sbc.ReceiveEndpoint(host, "stock_rejected_queue", e =>
{
});
sbc.ReceiveEndpoint(host, "payment_succeded_queue", e =>
{
});
sbc.ReceiveEndpoint(host, "payment_failed_queue", e =>
{
});
sbc.ReceiveEndpoint(host, "graceperiod_confirmed_queue", e =>
{
});
sbc.ReceiveEndpoint(host, "order_validation_state", e =>
{
e.UseRetry(x =>
{
x.Handle <DbUpdateConcurrencyException>();
x.Interval(5, TimeSpan.FromMilliseconds(100));
}); // Add the retry middleware for optimistic concurrency
e.StateMachineSaga(new GracePeriodStateMachine(c.Resolve <IAggregateStore>()), new InMemorySagaRepository <GracePeriod>());
});
sbc.UseExtensionsLogging(_loggerFactory);
sbc.UseInMemoryScheduler();
});
var consumeObserver = new ConsumeObserver(_loggerFactory.CreateLogger <ConsumeObserver>());
busControl.ConnectConsumeObserver(consumeObserver);
var sendObserver = new SendObserver(_loggerFactory.CreateLogger <SendObserver>());
busControl.ConnectSendObserver(sendObserver);
return(busControl);
})
.As <IBusControl>()
.As <IPublishEndpoint>()
.SingleInstance();
}
public async Task Should_invoke_the_observer_prior_to_send()
{
var observer = new SendObserver();
using (InputQueueSendEndpoint.ConnectSendObserver(observer))
{
await InputQueueSendEndpoint.Send(new PingMessage());
await observer.PreSent;
}
}
public async Task Should_invoke_the_exception_after_send_failure()
{
var observer = new SendObserver();
using (InputQueueSendEndpoint.ConnectSendObserver(observer))
{
Assert.That(
async() => await InputQueueSendEndpoint.Send(new PingMessage(), Pipe.Execute <SendContext>(x => x.Serializer = null)),
Throws.TypeOf <SerializationException>());
await observer.SendFaulted;
}
}
public async Task Should_not_invoke_post_sent_on_exception()
{
var observer = new SendObserver();
using (InputQueueSendEndpoint.ConnectSendObserver(observer))
{
Assert.That(async() => await InputQueueSendEndpoint.Send(new PingMessage(), Pipe.Execute <SendContext>(x => x.Serializer = null)),
Throws.TypeOf <SerializationException>());
await observer.SendFaulted;
observer.PostSent.Status.ShouldBe(TaskStatus.WaitingForActivation);
}
}
public async Task Should_invoke_the_observer_prior_to_send()
{
var observer = new SendObserver(this);
using (InputQueueSendEndpoint.ConnectSendObserver(observer))
{
await InputQueueSendEndpoint.Send(new PingMessage());
await observer.PreSent;
Assert.That(observer.PreSentCount, Is.EqualTo(1));
Assert.That(observer.PostSentCount, Is.EqualTo(1));
}
}
public async Task Should_invoke_the_observer_after_send()
{
var observer = new SendObserver(this);
using (Bus.ConnectSendObserver(observer))
{
await InputQueueSendEndpoint.Send(new PingMessage(), context => context.ResponseAddress = BusAddress);
await observer.PreSent;
await observer.PostSent;
await observer.SendFaulted;
Assert.That(observer.PreSentCount, Is.EqualTo(2));
Assert.That(observer.PostSentCount, Is.EqualTo(1));
Assert.That(observer.SendFaultCount, Is.EqualTo(1));
}
}
public async Task Should_not_invoke_the_send_observer_prior_to_send()
{
var observer = new PublishObserver(this);
using (Bus.ConnectPublishObserver(observer))
{
var sendObserver = new SendObserver(this);
using (Bus.ConnectSendObserver(sendObserver))
{
await Bus.Publish(new PingMessage());
await observer.PreSent;
Assert.That(async() => await sendObserver.PreSent.OrTimeout(s: 5), Throws.TypeOf <TimeoutException>());
}
}
}
public async Task Setup()
{
_consumer = Harness.Consumer <TestCommandConsumer>();
await Harness.Start();
_publish = new PublishObserver(Harness);
Harness.Bus.ConnectPublishObserver(_publish);
_send = new SendObserver(Harness);
Harness.Bus.ConnectSendObserver(_send);
_correlationId = NewId.NextGuid();
await Harness.Bus.Publish <TestEvent>(new
{
CorrelationId = _correlationId
});
}
public static void Main(string[] args)
{
Console.Title = "Masstransit Observer Publisher";
var bus = Bus.Factory.CreateUsingRabbitMq(cfg =>
{
var host = cfg.Host(new Uri("rabbitmq://192.168.80.71/EDCVHOST"), hst =>
{
hst.Username("admin");
hst.Password("edison");
});
});
var observer1 = new SendObserver();
var handle1 = bus.ConnectSendObserver(observer1);
var observer2 = new PublishObserver();
var handle2 = bus.ConnectPublishObserver(observer2);
bus.Start();
do
{
Console.WriteLine("Presss q if you want to exit this program.");
string message = Console.ReadLine();
if (message.ToLower().Equals("q"))
{
break;
}
bus.Publish(new TestMessage
{
MessageId = 10001,
Content = message,
Time = DateTime.Now
});
} while (true);
bus.Stop();
}
// This method gets called by the runtime. Use this method to add services to the container.
public IServiceProvider ConfigureServices(IServiceCollection services)
{
// Add framework services.
services.AddMvc(options =>
{
options.Filters.Add(typeof(HttpGlobalExceptionFilter));
options.Filters.Add(typeof(ValidateModelStateFilter));
}).AddControllersAsServices();
ConfigureAuthService(services);
services.Configure <BasketSettings>(Configuration);
//By connecting here we are making sure that our service
//cannot start until redis is ready. This might slow down startup,
//but given that there is a delay on resolving the ip address
//and then creating the connection it seems reasonable to move
//that cost to startup instead of having the first request pay the
//penalty.
services.AddSingleton <ConnectionMultiplexer>(sp =>
{
var settings = sp.GetRequiredService <IOptions <BasketSettings> >().Value;
var configuration = ConfigurationOptions.Parse(settings.ConnectionString, true);
configuration.ResolveDns = true;
return(ConnectionMultiplexer.Connect(configuration));
});
services.AddCors(options =>
{
options.AddPolicy("CorsPolicy",
policyBuilder => policyBuilder.AllowAnyOrigin()
.AllowAnyMethod()
.AllowAnyHeader()
.AllowCredentials());
});
services.AddSingleton <IHttpContextAccessor, HttpContextAccessor>();
services.AddTransient <IBasketRepository, RedisBasketRepository>();
services.AddTransient <IIdentityService, IdentityService>();
services.AddOptions();
// Configurar MassTransit
services.AddScoped <IHostedService, MassTransitHostedService>();
services.AddScoped <ProductPriceChangedIntegrationEventHandler>();
services.AddScoped <OrderStartedIntegrationEventHandler>();
var builder = new ContainerBuilder();
builder.Register(c =>
{
var busControl = Bus.Factory.CreateUsingRabbitMq(sbc =>
{
var host = sbc.Host(new Uri(Configuration["EventBusConnection"]), h =>
{
h.Username(Configuration["EventBusUserName"]);
h.Password(Configuration["EventBusPassword"]);
});
sbc.ReceiveEndpoint(host, "price_updated_queue", e =>
{
e.Consumer <ProductPriceChangedIntegrationEventHandler>(c);
});
sbc.ReceiveEndpoint(host, "order_started_queue", e =>
{
e.Consumer <OrderStartedIntegrationEventHandler>(c);
});
sbc.UseExtensionsLogging(_loggerFactory);
});
var consumeObserver = new ConsumeObserver(_loggerFactory.CreateLogger <ConsumeObserver>());
busControl.ConnectConsumeObserver(consumeObserver);
var sendObserver = new SendObserver(_loggerFactory.CreateLogger <SendObserver>());
busControl.ConnectSendObserver(sendObserver);
return(busControl);
})
.As <IBusControl>()
.As <IPublishEndpoint>()
.SingleInstance();
services.AddTransient <IValidator <CustomerBasket>, CustomerBasketValidator>();
builder.Populate(services);
var container = builder.Build();
// Create the IServiceProvider based on the container.
return(new AutofacServiceProvider(container));
}
/// <summary>
/// Use MassTransit for message bus.
/// </summary>
/// <param name="configuration"></param>
/// <param name="assembles"></param>
/// <param name="endpointName"></param>
/// <param name="retry"></param>
/// <param name="isTransaction">Encapsulate the pipe behavior in a transaction</param>
/// <param name="prefetchCount">Specify the maximum number of concurrent messages that are consumed</param>
/// <returns></returns>
public static Configurations.Configuration UseMassTransit(
this Configurations.Configuration configuration, Assembly[] assembles = null,
string endpointName = "", int retry = 0, bool isTransaction = false, ushort prefetchCount = 16)
{
var objectContainer = new AutofacObjectContainer();
string assemblyName = Assembly.GetCallingAssembly().GetName().Name;
if (string.IsNullOrEmpty(endpointName))
{
endpointName = assemblyName + "-" + Environment.MachineName;
}
Configurations.Configuration.Instance.Setting.EndPoint = endpointName;
if (objectContainer != null)
{
var container = objectContainer.Container;
var builder = new ContainerBuilder();
//consumer 不能加component，不然会注册2次
if (assembles != null)
{
foreach (var ass in assembles)
{
try
{
builder.RegisterConsumers(ass);
}
catch (ReflectionTypeLoadException loadException)
{
//目前写死判断，少dll报错，多dll跳过
var message = string.Join(",",
loadException.LoaderExceptions.Select(c => c.Message).Distinct());
if (message.Contains("系统找不到指定的文件"))
{
throw new ApplicationException(message);
}
}
}
}
var clusterHosts = configuration.Setting.TransportIp.Split(',');
//var clusterHosts = "10.3.80.41";
builder.Register(context =>
{
var busControl = Bus.Factory.CreateUsingRabbitMq(cfg =>
{
configuration.Setting.TransportHost = string.Format("rabbitmq://{0}/{1}",
clusterHosts[0],
string.IsNullOrEmpty(configuration.Setting.TransportVirtualHost)
? ""
: configuration.Setting.TransportVirtualHost + "/");
var host = cfg.Host(new Uri(configuration.Setting.TransportHost), h =>
{
h.Username(configuration.Setting.TransportUserName);
h.Password(configuration.Setting.TransportPassword);
if (clusterHosts.Length > 0)
{
h.UseCluster(c =>
{
foreach (var clusterHost in clusterHosts)
{
c.Node(clusterHost);
}
});
}
});
//以机器名为消息总线队列名的方式暂保留
var endpointNames = new ArrayList {
endpointName
};
//分公司标识作为消息总线队列名
var branchs = CommonX.Configurations.Configuration.Instance.Setting.Branch?.Split(',');
if (branchs != null && branchs.Length > 0)
{
foreach (var branchId in branchs)
{
string name = assemblyName + "-" + branchId;
endpointNames.Add(name);
}
}
//绑定消息总线
foreach (var a in endpointNames)
{
cfg.ReceiveEndpoint(host, a.ToString(), ec =>
{
if (retry > 0)
{
ec.UseRetry(x => x.Incremental(retry, new TimeSpan(0, 0, 5), new TimeSpan(0, 0, 5)));
}
if (isTransaction)
{
ec.UseTransaction(x => { x.Timeout = TimeSpan.FromSeconds(300); });
}
cfg.PrefetchCount = prefetchCount;
ec.LoadFrom(context);
});
}
cfg.ConfigureJsonSerializer(c => new JsonSerializerSettings()
{
Converters = new List <JsonConverter>
{
new IsoDateTimeConverter(),
new StringEnumConverter {
CamelCaseText = true
}
},
ReferenceLoopHandling = ReferenceLoopHandling.Ignore,
//NullValueHandling = NullValueHandling.Ignore
});
});
return(busControl);
})
.SingleInstance()
.As <IBusControl>()
.As <global::MassTransit.IBus>();
builder.Update(container);
var bc = container.Resolve <IBusControl>();
configuration.SetDefault <IBus, MassTransitBus>(new MassTransitBus(bc));
var log = ObjectContainer.Current.BeginLifetimeScope();
var receiveObserver = new ReceiveObserver(log.Resolve <ILoggerFactory>().Create(typeof(ReceiveObserver)));
//var receiveObserver = new ReceiveObserver();
var receiveHandle = bc.ConnectReceiveObserver(receiveObserver);
var publishObserver = new PublishObserver();
var publishHandle = bc.ConnectPublishObserver(publishObserver);
var sendObserver = new SendObserver();
var shendHandle = bc.ConnectSendObserver(sendObserver);
//var result = bc.GetProbeResult();
//Console.WriteLine(result.ToJsonString());
ObjectContainer.Current.RegisterGeneric(typeof(ServiceBus.IRequestClient <,>),
typeof(CommonX.ServiceBus.MassTransit.Impl.RequestClient <,>),
LifeStyle.Transient);
bc.Start();
}
return(configuration);
}
// This method gets called by the runtime. Use this method to add services to the container.
// For more information on how to configure your application, visit https://go.microsoft.com/fwlink/?LinkID=398940
public IServiceProvider ConfigureServices(IServiceCollection services)
{
services.AddScoped <IHostedService, MassTransitHostedService>();
services.AddScoped <OrderStatusChangedToAwaitingValidationIntegrationEventHandler>();
services.AddScoped <OrderStatusChangedToCancelledIntegrationEventHandler>();
services.AddScoped <OrderStatusChangedToPaidIntegrationEventHandler>();
services.AddScoped <OrderStatusChangedToShippedIntegrationEventHandler>();
services.AddScoped <OrderStatusChangedToStockConfirmedIntegrationEventHandler>();
services.AddScoped <OrderStatusChangedToSubmittedIntegrationEventHandler>();
services.AddScoped <AccountDepositIntegrationEventHandler>();
services.AddCors(options =>
{
options.AddPolicy("CorsPolicy",
builder => builder.AllowAnyOrigin()
.AllowAnyMethod()
.AllowAnyHeader()
.AllowCredentials());
});
if (Configuration.GetValue <string>("IsClusterEnv") == bool.TrueString)
{
services
.AddSignalR()
.AddRedis(Configuration["SignalrStoreConnectionString"]);
}
else
{
services.AddSignalR();
}
ConfigureAuthService(services);
services.AddOptions();
//configure autofac
var container = new ContainerBuilder();
container.Register(c =>
{
var busControl = Bus.Factory.CreateUsingRabbitMq(sbc =>
{
var host = sbc.Host(new Uri(Configuration["EventBusConnection"]), h =>
{
h.Username(Configuration["EventBusUserName"]);
h.Password(Configuration["EventBusPassword"]);
});
sbc.ReceiveEndpoint(host, "order_awaitingvalidation_signalr_queue", e =>
{
e.Consumer <OrderStatusChangedToAwaitingValidationIntegrationEventHandler>(c);
});
sbc.ReceiveEndpoint(host, "order_cancelled_signalr_queue", e =>
{
e.Consumer <OrderStatusChangedToCancelledIntegrationEventHandler>(c);
});
sbc.ReceiveEndpoint(host, "order_paid_signalr_queue", e =>
{
e.Consumer <OrderStatusChangedToPaidIntegrationEventHandler>(c);
});
sbc.ReceiveEndpoint(host, "order_shipped_signalr_queue", e =>
{
e.Consumer <OrderStatusChangedToShippedIntegrationEventHandler>(c);
});
sbc.ReceiveEndpoint(host, "order_stockconfirmed_signalr_queue", e =>
{
e.Consumer <OrderStatusChangedToStockConfirmedIntegrationEventHandler>(c);
});
sbc.ReceiveEndpoint(host, "order_submitted_signalr_queue", e =>
{
e.Consumer <OrderStatusChangedToSubmittedIntegrationEventHandler>(c);
});
sbc.ReceiveEndpoint(host, "payment_amount_deposit", e =>
{
e.Consumer <AccountDepositIntegrationEventHandler>(c);
});
sbc.UseExtensionsLogging(_loggerFactory);
});
var consumeObserver = new ConsumeObserver(_loggerFactory.CreateLogger <ConsumeObserver>());
busControl.ConnectConsumeObserver(consumeObserver);
var sendObserver = new SendObserver(_loggerFactory.CreateLogger <SendObserver>());
busControl.ConnectSendObserver(sendObserver);
return(busControl);
})
.As <IBusControl>()
.As <IPublishEndpoint>()
.SingleInstance();
container.Populate(services);
return(new AutofacServiceProvider(container.Build()));
}