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ETW or Event Tracing for Windows is a very efficient pub/sub built-in mechanism that runs in Kernel Mode for doing event tracing. That implies there is just a little overhead in using this feature compared to other traditional tracing solutions that are...
Some Web APIs use the client IP address to enforce Service Level Agreements such as limit the number of calls in a period of time. The client IP address can be used as a replacement for an authentication key sometimes when a previous registration of client...
One of the features supported by Hawk, an HTTP authentication protocol based on HMAC, is to provide read-only access to a Web API for a short period time. That’s performed through a token called “bewit” that a Web API can provide to a client. That...
ASP.NET ships with two built-in mechanisms for doing logging and troubleshooting. Chasing errors without knowing these two mechanisms might be a daunting task, specially if they happen in the runtime pipeline much before a message gets to a handler...
Message Handlers are one of the core components for message processing in Web API. They use an asynchronous model for processing messages, so they receive a request message and returns a Task with the corresponding response. protected internal abstract...
For simple scenarios of Web API consumption where identity delegation is not required, traditional http authentication schemas such as basic, certificates or digest are the most used nowadays. All these schemas rely on sending the caller credentials or...
UrlHelper is the class you can use in ASP.NET Web API to automatically infer links from the routing table without hardcoding anything. For example, the following code uses the helper to infer the location url for a new resource, public HttpResponseMessage...
One of the nice things about the new HttpClient in System.Net.Http is the support for mocking responses or handling requests in a http server hosted in-memory. While the first option is useful for scenarios in which we want to test our client code in...
One scenario that is very common in ASP.NET MVC is to bind form data (data posted with the media type application/x-www-form-urlencoded) to individual parameters or a form collection in a controller action. However, that scenario does not work quite the...
One of main characteristics of MediaTypeFormatter’s in ASP.NET Web API is that they leverage the Task Parallel Library (TPL) for reading or writing an model into an stream. When you derive your class from the base class MediaTypeFormatter, you have to...
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