static void Main1()
{
// To set up a sink for notifications you implement an INotifier and subscribe to the hub you want
// as long as the subscription is not disposed, the INotifier will get callbacks.
using (var subscription = TelemetryHub.DefaultDispatcher.Subscribe(new MyNotificationListener("Default")))
{
// This simulates an application that is creating Dispatcher/Notifier pairs for instantiable in-process contexts.
// The child hubs each cross-talk with the default hub, but do not cross-talk with each other
using (var island1 = new TelemetryHub())
using (var island2 = new TelemetryHub())
using (island1.Dispatcher.Subscribe(new MyNotificationListener("Island1")))
using (island2.Dispatcher.Subscribe(new MyNotificationListener("Island2")))
{
// Here we simulate what might happen in the class library where we don't use dependency injection.
// You can also get you iNotifier by asking IServiceProvider which might make one per tenant.
ITelemetry defaultTelemetry = TelemetryHub.DefaultSource.ConnectTelemetry("OutgoingHttpRequestReturns");
ITelemetry islandTelemetry1 = island1.Source.ConnectTelemetry("TalkingOnIsland");
ITelemetry islandTelemetry2 = island2.Source.ConnectTelemetry("TalkingOnIsland");
// Normally this would be in code that was receiving the HttpRequestResponse
HttpRequestMessage message = new HttpRequestMessage(HttpMethod.Get, "http://localhost/");
// Here we log for simple cases as show below we don't need to do the ShuldNotify, but we are
// showing the general case where there might be significant work setting up the payload.
if (defaultTelemetry.IsEnabled())
{
// Here we are assuming we would like to log both to EventSource and direct subscribers to
// NotificationHub. Because of this the payload class contains both serializable fields (like
// ReqeustUri which we resolve to a string), as well as rich objects (like Message) that are
// stripped from EventSource serialization.
defaultTelemetry.Write(new { RequestUri = message.RequestUri.ToString(), Message = message });
}
islandTelemetry1.Write(new { Message = "Island One" });
islandTelemetry2.Write(new { Message = "Island Two" });
}
}
}
static void Main1()
{
// To set up a sink for notifications you implement an INotifier and subscribe to the hub you want
// as long as the subscription is not disposed, the INotifier will get callbacks.
using (var subscription = TelemetryHub.DefaultDispatcher.Subscribe(new MyNotificationListener("Default")))
{
// This simulates an application that is creating Dispatcher/Notifier pairs for instantiable in-process contexts.
// The child hubs each cross-talk with the default hub, but do not cross-talk with each other
using (var island1 = new TelemetryHub())
using (var island2 = new TelemetryHub())
using (island1.Dispatcher.Subscribe(new MyNotificationListener("Island1")))
using (island2.Dispatcher.Subscribe(new MyNotificationListener("Island2")))
{
// Here we simulate what might happen in the class library where we don't use dependency injection.
// You can also get you iNotifier by asking IServiceProvider which might make one per tenant.
ITelemetry defaultTelemetry = TelemetryHub.DefaultSource.ConnectTelemetry("OutgoingHttpRequestReturns");
ITelemetry islandTelemetry1 = island1.Source.ConnectTelemetry("TalkingOnIsland");
ITelemetry islandTelemetry2 = island2.Source.ConnectTelemetry("TalkingOnIsland");
// Normally this would be in code that was receiving the HttpRequestResponse
HttpRequestMessage message = new HttpRequestMessage(HttpMethod.Get, "http://localhost/");
// Here we log for simple cases as show below we don't need to do the ShuldNotify, but we are
// showing the general case where there might be significant work setting up the payload.
if (defaultTelemetry.IsEnabled())
{
// Here we are assuming we would like to log both to EventSource and direct subscribers to
// NotificationHub. Because of this the payload class contains both serializable fields (like
// ReqeustUri which we resolve to a string), as well as rich objects (like Message) that are
// stripped from EventSource serialization.
defaultTelemetry.Write(new { RequestUri = message.RequestUri.ToString(), Message = message });
}
islandTelemetry1.Write(new { Message = "Island One" });
islandTelemetry2.Write(new { Message = "Island Two" });
}
}
}
