By Keyvan Nayyeri, Darren White
ASP.NET SignalR is the recent option to real-time verbal exchange among servers and consumers in .NET. Use it to push new info to an online web page or cellular gadget once it turns into to be had, no matter if it’s a notification, stay chat, up to the moment monetary information, or a number of different interesting purposes. concepts like Google reside seek and stay fb and Twitter updates are pushing users’ expectancies of the real-time net. With professional ASP.NET SignalR, you could sign up for this revolution and examine talents that may be helpful for years to come.
Pro ASP.NET SignalR starts off with an advent to the real-time net. find out about the applied sciences underlying the SignalR library, corresponding to WebSockets and long-polling, and the way SignalR elegantly flips among them counting on the functions of the customer. subsequent, meet the thoughts of hubs and chronic connections and the way to take advantage of them to construct the parts of an ASP.NET SignalR software. tips on how to expand, attempt, debug, configure, scale, and host your purposes, and the way to focus on a number of consumers, together with home windows and iOS.
The publication rounds off with case studies—a inventory marketplace cost updater, and a collaborative drawing application—so you will get to grips with SignalR in a practical state of affairs, utilizing a huge variety of the options lined in previous chapters.
As real-time updates to net and cellular apps turn into the norm, seasoned ASP.NET SignalR could be your in-depth, one-stop significant other to this new and intriguing know-how.
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Extra info for Pro ASP.NET SignalR: Real-Time Communication in .NET with SignalR 2.1
To enable these cross-domain connections in your application, go to the Startup class and its Configuration method again to modify the construction and initiation of routes to handle cross-domain connections. After constructing your own HubConfiguration object, you can set its EnableCrossDomain property to true and then pass this custom HubConfiguration object to the MapHubs method. , /signalr). Listing 3-7. NET SignalR application. As a common example, IE10 considers anything on the local host as the same domain and does not treat it as a cross-domain connection.
36 Chapter 2 ■ Overview of SignalR External Limitations Web Sockets are limited by the fact that every hop from server to client and back must support Web Sockets; otherwise, parts of the connection might be downgraded, or the protocol might not be supported at all. Summary This chapter provided an overview of SignalR. We started by discussing its core technologies: OWIN, connection transports, dependency resolvers, the task parallel library, and message backplanes. You saw that SignalR is supported on a wide range of servers and clients from Windows to iOS.
Listing 2-7. Broadcast(data); } } 30 Chapter 2 ■ Overview of SignalR 13. cs class to what is shown in Listing 2-8. Listing 2-8. MapSignalR
Pro ASP.NET SignalR: Real-Time Communication in .NET with SignalR 2.1 by Keyvan Nayyeri, Darren White