Adding a method to a Hub and counting the calls to it

This first recipe of the chapter is very simple, and in a way similar to the others we saw in Chapter 1, Understanding the Basics; however, the focus will be lesser on the process and the parts involved and more on specific Hub features. We'll learn a simple way to count how many times a Hub method is called by the connected clients.

Getting ready

Before writing the code of this recipe, we need to create a new empty web application, which we'll call Recipe05.

How to do it…

We're ready to actually start adding our SignalR bits by performing the following steps:

1. Let's add a Hub called EchoHub. Behind the scenes, this action references a NuGet package called Microsoft.AspNet.SignalR, which then brings a few more packages.

2. Then we add an OWIN Startup class named Startup, which contains just a simple app.MapSignalR() bootstrap call inside the Configuration() method.

3. It is important to highlight the fact that it is recommended to add a Hub to the...