/// <summary>
/// Starts the endpoint and returns a reference to it.
/// </summary>
/// <param name="startableEndpoint">The startable endpoint.</param>
/// <param name="serviceProvider">The container specific service provider factory.</param>
/// <returns>A reference to the endpoint.</returns>
public static Task <IEndpointInstance> Start(this IStartableEndpointWithExternallyManagedContainer startableEndpoint, IServiceProvider serviceProvider)
{
Guard.AgainstNull(nameof(startableEndpoint), startableEndpoint);
Guard.AgainstNull(nameof(serviceProvider), serviceProvider);
return(startableEndpoint.Start(new ServiceProviderAdapter(serviceProvider)));
}
public InProcessFunctionEndpoint(
IStartableEndpointWithExternallyManagedContainer externallyManagedContainerEndpoint,
ServiceBusTriggeredEndpointConfiguration configuration,
IServiceProvider serviceProvider)
{
this.configuration = configuration;
endpointFactory = _ => externallyManagedContainerEndpoint.Start(serviceProvider);
}
public static async Task <IEndpointInstance> Start(IStartableEndpointWithExternallyManagedContainer nsb)
{
BusOnline = false;
Instance = await nsb.Start(new Internal.ContainerAdapter(Configuration.Settings.Container)).ConfigureAwait(false);
// Take IEndpointInstance and pull out the info we need for eventstore consuming
// We want eventstore to push message directly into NSB
// That way we can have all the fun stuff like retries, error queues, incoming/outgoing mutators etc
// But NSB doesn't have a way to just insert a message directly into the pipeline
// You can SendLocal which will send the event out to the transport then back again but in addition to being a
// waste of time its not safe incase this instance goes down because we'd have ACKed the event now sitting
// unprocessed on the instance specific queue.
//
// The only way I can find to call into the pipeline directly is to highjack these private fields on
// the transport receiver.
try
{
var receiveComponent = Instance.GetType()
.GetField("receiveComponent", BindingFlags.Instance | BindingFlags.NonPublic)
.GetValue(Instance);
var receivers = (
(IEnumerable)
// ReSharper disable once PossibleNullReferenceException
receiveComponent.GetType()
.GetField("receivers", BindingFlags.Instance | BindingFlags.NonPublic)
.GetValue(receiveComponent)).Cast <object>();
object main = null;
foreach (var receiver in receivers)
{
var id =
(string)
receiver.GetType()
.GetProperty("Id", BindingFlags.Public | BindingFlags.Instance)
.GetValue(receiver);
if (id.ToLower() == "main")
{
main = receiver;
break;
}
}
if (main == null)
{
throw new InvalidOperationException("Could not find main receiver");
}
var pipelineExecutor =
main.GetType()
.GetField("pipelineExecutor", BindingFlags.Instance | BindingFlags.NonPublic)
.GetValue(main);
var recoverabilityExecutor =
main.GetType()
.GetField("recoverabilityExecutor", BindingFlags.Instance | BindingFlags.NonPublic)
.GetValue(main);
var mainPipeline = pipelineExecutor
.GetType()
.GetField("mainPipeline", BindingFlags.Instance | BindingFlags.NonPublic)
.GetValue(pipelineExecutor);
var behaviors = mainPipeline
.GetType()
.GetField("behaviors", BindingFlags.Instance | BindingFlags.NonPublic)
.GetValue(mainPipeline) as IBehavior[];
var pipelineMethod = pipelineExecutor.GetType().GetMethod("Invoke", BindingFlags.Instance | BindingFlags.Public)
.MakeFuncDelegateWithTarget <MessageContext, Task>(pipelineExecutor.GetType());
OnMessage = (c) => pipelineMethod(pipelineExecutor, c);
var recoverabilityMethod = recoverabilityExecutor.GetType()
.GetMethod("Invoke", BindingFlags.Instance | BindingFlags.Public)
.MakeFuncDelegateWithTarget <ErrorContext, Task <ErrorHandleResult> >(recoverabilityExecutor.GetType());
OnError = (c) => recoverabilityMethod(recoverabilityExecutor, c);
PushSettings = (PushRuntimeSettings)main.GetType()
.GetField("pushRuntimeSettings", BindingFlags.Instance | BindingFlags.NonPublic)
.GetValue(main);
Logger.InfoEvent("Online", "NServiceBus is online");
for (var i = 0; i < behaviors.Length; i++)
{
Logger.DebugEvent("PipelineStep", "{Index}: {StepType}", i, behaviors[i].GetType().FullName);
}
BusOnline = true;
return(Instance);
}
catch (Exception e)
{
throw new InvalidOperationException("Could not hack into NSB - event consumer won't work", e);
}
}
public async Task <IEndpointInstance> StartAsync(IServiceProvider serviceProvider)
{
return(this.endPointInstance = await startableEndPoint.Start(serviceProvider));
}
