static void Main(string[] args)
{
var tracer = new Tracer.Builder("Proto.Chat.Client")
.WithSampler(new ConstSampler(true))
.Build();
SpanSetup spanSetup = (span, message) => span.Log(message?.ToString());
var openTracingMiddleware = OpenTracingExtensions.OpenTracingSenderMiddleware(tracer);
Serialization.RegisterFileDescriptor(ChatReflection.Descriptor);
Remote.Start("127.0.0.1", 0);
var server = new PID("127.0.0.1:8000", "chatserver");
var context = new RootContext(default, openTracingMiddleware);
public ActorManager(IActorFactory actorFactory, IProvider persistenceProvider, IOptions <ActorSettings> actorSettings, ITracer tracer, ILoggerFactory loggerFactory)
{
_actorFactory = actorFactory;
var settings = actorSettings.Value;
var logger = loggerFactory.CreateLogger <ActorManager>();
// Configure OpenTracing
Context = new RootContext(new MessageHeader(), OpenTracingExtensions.OpenTracingSenderMiddleware())
.WithOpenTracing();
_actorFactory.RegisterActor(new RequestActor(this, persistenceProvider, TimeSpan.FromMilliseconds(settings.ChildActorTimeoutInMilliseconds), loggerFactory, tracer), ActorNames.RequestActor);
EventStream.Instance.Subscribe <DeadLetterEvent>(dl =>
{
logger.LogWarning($"DeadLetter from {dl.Sender} to {dl.Pid} : {dl.Message?.GetType().Name} = '{dl.Message?.ToString()}'");
});
}
public void RootContextOpenTracingSenderTest()
{
var root = new RootContext(System, new MessageHeader(), OpenTracingExtensions.OpenTracingSenderMiddleware(_tracer))
.WithOpenTracing(tracer: _tracer);
var messages = new List <object>();
var actorProps = Props
.FromFunc(ctx => { messages.Add(ctx.Message); return(Actor.Done); })
.WithMailbox(() => new TestMailbox())
;
var actor = System.Root.Spawn(actorProps);
root.Send(actor, "test_message");
Assert.Equal(2, messages.Count); // Started & "test_message"
_tracer.Received(1).BuildSpan("Send String");
_tracer.ClearReceivedCalls();
root.Request(actor, "test_message_2");
Assert.Equal(3, messages.Count); // Started & "test_message" & "test_message_2"
_tracer.Received(1).BuildSpan("Request String");
}
static void Main(string[] args)
{
var tracer = new Tracer.Builder("Proto.Example.LifecycleEvents")
.WithSampler(new ConstSampler(true))
.Build();
GlobalTracer.Register(tracer);
EventStream.Instance.Subscribe <DeadLetterEvent>(
dl =>
{
Console.WriteLine($"DeadLetter from {dl.Sender} to {dl.Pid} : {dl.Message?.GetType().Name} = '{dl.Message?.ToString()}'");
});
var context = new RootContext(new MessageHeader(), OpenTracingExtensions.OpenTracingSenderMiddleware());
var props = Props
.FromProducer(() => new ChildActor())
.WithOpenTracing();
var actor = context.Spawn(props);
context.Send(actor, new Hello
{
Who = "Alex"
});
//why wait?
//Stop is a system message and is not processed through the user message mailbox
//thus, it will be handled _before_ any user message
//we only do this to show the correct order of events in the console
Thread.Sleep(TimeSpan.FromSeconds(1));
actor.StopAsync().Wait();
Console.ReadLine();
}
static async Task Main()
{
var serviceName = $"DrawNiceTrace{Guid.NewGuid()}";
var tracer = new Tracer.Builder(serviceName)
.WithSampler(new ConstSampler(true))
.Build();
GlobalTracer.Register(tracer);
var system = new ActorSystem();
var rootContext = new RootContext(system, MessageHeader.Empty, OpenTracingExtensions.OpenTracingSenderMiddleware())
.WithOpenTracing();
var bankProps = Props.FromFunc(
ctx =>
{
if (ctx.Message is ProcessPayment _)
{
ctx.Respond(new ProcessPaymentResponse {
Ok = true
});
}
return(Task.CompletedTask);
}
)
.WithOpenTracing();
var bank = rootContext.Spawn(bankProps);
var restaurantProps = Props.FromFunc(
async ctx =>
{
if (ctx.Message is TriggerFood trigger)
{
using (GlobalTracer.Instance.BuildSpan("Preparing food !").StartActive())
{
await Task.Delay(1000);
}
ctx.Send(trigger.Customer, new DeliverFood());
}
}
)
.WithOpenTracing();
var restaurant = rootContext.Spawn(restaurantProps);
var cartProps = Props.FromProducer(() => new CartActor(bank)).WithOpenTracing();
long nextCartNumber = 1;
string getActorName(long number) => $"cart-{number}";
var dinnerProps = Props.FromFunc(
async ctx =>
{
switch (ctx.Message)
{
case AddItem addItem:
PID cartPID;
if (addItem.CartNumber == default)
{
var cartNumber = nextCartNumber++;
cartPID = ctx.SpawnNamed(cartProps, getActorName(cartNumber));
ctx.Send(cartPID, new AssignCartNumber {
CartNumber = cartNumber
});
}
else
{
var cartActorName = getActorName(addItem.CartNumber);
cartPID = ctx.Children.First(p => p.Id.EndsWith(cartActorName));
}
ctx.Forward(cartPID);
break;
case ConfirmOrder confirmOrder:
var orderPid = ctx.Children.First(p => p.Id.EndsWith(getActorName(confirmOrder.CartNumber)));
ctx.Forward(orderPid);
break;
case SendPaymentDetails sendPaymentDetails:
var orderPid2 = ctx.Children.First(p => p.Id.EndsWith(getActorName(sendPaymentDetails.OrderNumber)));
var resp = await ctx.RequestAsync <ProcessPaymentResponse>(orderPid2, sendPaymentDetails);
if (resp.Ok) // it will always, we have super rich customers
{
ctx.Send(
restaurant,
new TriggerFood {
Customer = sendPaymentDetails.Customer, OrderNumber = sendPaymentDetails.OrderNumber
}
);
}
break;
}
}
)
.WithOpenTracing();
var dinner = rootContext.Spawn(dinnerProps);
var customerProps = Props.FromFunc(
async ctx =>
{
switch (ctx.Message)
{
case Started _:
var cartNumberResponse = await ctx.RequestAsync <CartNumberResponse>(dinner, new AddItem {
ProductName = "Beer!"
});
var cartNumber = cartNumberResponse.CartNumber;
await Task.Delay(100);
await ctx.RequestAsync <CartNumberResponse>(dinner, new AddItem {
CartNumber = cartNumber, ProductName = "Pizza."
});
await Task.Delay(100);
await ctx.RequestAsync <CartNumberResponse>(dinner, new AddItem {
CartNumber = cartNumber, ProductName = "Ice cream."
});
await Task.Delay(200);
var confirmed = await ctx.RequestAsync <ConfirmOrderResponse>(dinner, new ConfirmOrder {
CartNumber = cartNumber
});
await Task.Delay(300);
ctx.Send(dinner, new SendPaymentDetails {
Customer = ctx.Self, OrderNumber = confirmed.OrderNumber
});
break;
case DeliverFood deliver:
throw new Exception("Food Delivered !");
}
}
)
.WithOpenTracing()
.WithGuardianSupervisorStrategy(new OneForOneStrategy((pid, reason) => SupervisorDirective.Stop, 0, null));
rootContext.Spawn(customerProps);
await Task.Delay(TimeSpan.FromSeconds(10));
Console.WriteLine("Done! Go to jaeger : http://localhost:16686/search?service=" + serviceName);
Console.WriteLine("Press [Enter]");
Console.ReadLine();
}
