Contents tagged with SignalR
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The SiteMonitR Sample
The newest sample from the Windows Azure Evangelism Team (WAET) is a real-time, browser-based web site monitor. The SiteMonitR front-end is blocked out and styled using Twitter Bootstrap, and Knockout.js was used to provide MVVM functionality. A cloud service pings sites on an interval (10 seconds by default, configurable in the worker’s settings) and notifies the web client of the sites’ up-or-down statuses via server-side SignalR conversations. Those conversations are then bubbled up to the browser using client-side SignalR conversations. The client also fires off SignalR calls to the cloud service to manage the storage functionality for the URL’s to be monitored. If you’ve been looking for a practical way to use SignalR with Windows Azure, this sample could shed some light on what’s possible.
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Codemash SignalR Talk
If you attended my SignalR talk at Codemash, thank you so much for your time. I had a blast at Codemash, and really enjoyed the talk. It was a great audience with some good conversations in the hallway afterward. If you attended the session and want to get your hands on the deck and code, this is the place.
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Blob Storage of Kinectonitor Images
The Kinectonitor has received a lot of commentary and I’ve received some great ideas and suggestions on how it could be improved. There are a few architectural aspects about it that gave me some heartburn. One of those areas is in that, I failed to make use of any of Azure’s storage functionality to store the images. This post sums up how Blob Storage was added to the Kinectonitor’s architecture so that images could be stored in the cloud, not on the individual observer site’s web servers.
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The Kinectonitor
Suppose you had a some scary-looking hoodlum walking around your house when you were out? You’d want to know about it, wouldn’t you? Take one Kinect, mix in a little Windows Azure Service Bus, sprinkle in some SignalR, and mix it all together with some elbow grease, and you could watch in near-real-time as sinewy folks romp through your living room. Here’s how.
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Testing SignalR Connections with NUnit
The SignalR GitHub site has an example wherein a SignalR PersistentConnection instance is used from a non-HTML client. The idea of being able to use SignalR connections in applications other than those that run in a web browser raises some interesting challenges. Likewise, there aren’t too many examples on how to use SignalR connections. This post will demonstrate asynchronously testing a SignalR connection in an end-to-end scenario using NUnit.
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From the Cloud to the Client
That title sums up what this blog post will summarize and explain; how to get data instantly from the cloud – in this case, the Azure cloud platform – all the way down to an HTML 5.0 browser. The point of this exercise is to take a slightly deeper dive into using SignalR. Secondary to the SignalR deep dive, this article will explain how to use the Azure Service Bus.
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Doing BDD with SignalR and Jasmine
SignalR is one of the latest (and sexiest) elements in the .NET stack. Expect to hear more about SignalR if you haven’t already, because it delivers on the promise of push technology without the requirement of a fat client. If you’ve not yet read much about SignalR, clone the source code from GitHub or read Scott Hanselman’s post on SignalR for an introduction. The scope and inner-workings of SignalR are somewhat out of scope here, so I’ll just assume you’ve at least heard something about SignalR and that you’re interested in it but have a few questions. I mean, if you’re into BDD/TDD, you should definitely be wondering: