In C# asynchronous programming, a CancellationToken allows you to stop a Task. This is especially useful if you have many Tasks running and want to gracefully shut down the program, or if you want to add a timeout to a Task. via GIPHY Creation CancellationTokens are created from a CancellationTokenSource. via GIPHY Usage The token … [Read more…]
BlockingCollection is essentially a queue that provides a thread-safe way to consume items. You can put it into a loop and consume the items one at a time, throttling execution and potentially preventing your system from being overwhelmed. I use these all the time, but most recently I built it in to a metric collection … [Read more…]
There’s been more than a couple times where I’ve wanted to use the Parallel class to take a collection and rip through it with multiple threads, but I’ve struggled with how to log the progress (especially the count of objects processed) easily. Interlocked .NET actually provides the solution in a static class called Interlocked, located … [Read more…]
Say that you’re unit testing and you want a mocked interface to behave differently for different calls to the same method. I was trying to test a TCP listener loop – a TcpListener waits for an incoming connection, does something with it, and then goes back to listening. In essence, the loop will last until … [Read more…]