Skip to main content

Create an ASP.NET Core backgroundservice that runs at regular intervals using PeriodicTimer

Today I had to implement an ASP.NET Core backgroundservice that need to execute at certain intervals. Before .NET 6 I would have used Task.Delay or System.Threading.Timer, but in .NET 6 we have a better alternative through the PeriodicTimer.

The PeriodicTimer uses an asynchronous approach based on the System.Threading.Tasks. It has a method WaitForNextTickAsync that allows to pause execution until the next time the timer is elapsed.

I first created a backgroundservice:

In the ExecuteAsync method I can now introduce the PeriodicTimer and call the WaitForNextTickAsync() method in a while loop . The loop shall run while no cancellation of the background service is requested in the CancellationToken and wait for the next tick of the timer:


Remark: The PeriodicTimer is intended to be used only by a single consumer at a time: only one call to WaitForNextTickAsync() may be in flight at any given moment. So make sure that your business logic is executed before the interval elapses again.

More information

PeriodicTimer Class (System.Threading) | Microsoft Learn

Popular posts from this blog

DevToys–A swiss army knife for developers

As a developer there are a lot of small tasks you need to do as part of your coding, debugging and testing activities.  DevToys is an offline windows app that tries to help you with these tasks. Instead of using different websites you get a fully offline experience offering help for a large list of tasks. Many tools are available. Here is the current list: Converters JSON <> YAML Timestamp Number Base Cron Parser Encoders / Decoders HTML URL Base64 Text & Image GZip JWT Decoder Formatters JSON SQL XML Generators Hash (MD5, SHA1, SHA256, SHA512) UUID 1 and 4 Lorem Ipsum Checksum Text Escape / Unescape Inspector & Case Converter Regex Tester Text Comparer XML Validator Markdown Preview Graphic Color B

Help! I accidently enabled HSTS–on localhost

I ran into an issue after accidently enabling HSTS for a website on localhost. This was not an issue for the original website that was running in IIS and had a certificate configured. But when I tried to run an Angular app a little bit later on http://localhost:4200 the browser redirected me immediately to https://localhost . Whoops! That was not what I wanted in this case. To fix it, you need to go the network settings of your browser, there are available at: chrome://net-internals/#hsts edge://net-internals/#hsts brave://net-internals/#hsts Enter ‘localhost’ in the domain textbox under the Delete domain security policies section and hit Delete . That should do the trick…

Azure DevOps/ GitHub emoji

I’m really bad at remembering emoji’s. So here is cheat sheet with all emoji’s that can be used in tools that support the github emoji markdown markup: All credits go to rcaviers who created this list.