[Haskell-cafe] Running an action periodically

Moritz Schulte mtesseract at silverratio.net
Sat Nov 25 12:27:50 UTC 2017


Hi Tristan,

how about the async-refresh package
(https://hackage.haskell.org/package/async-refresh)?

Looks close to what you have written — from the README:

About

This is Haskell library implementing the logic for refreshing of
expiring data according to user-provided actions.

Usage

* Create a new configuration using newAsyncRefreshConf, providing the
  action to be used for data refreshing.

* Adjust the configuration using the asyncRefreshConfSet* functions,
  in particular using asyncRefreshConfSetCallback.

* Use newAsyncRefresh to initiate a new thread managing the
  asynchronous refreshing.

[...]

It is currently used by the package async-refresh-tokens
(https://hackage.haskell.org/package/async-refresh-tokens), which
specializes the async-refresh package to the refreshing of expiring
authentication tokens.

If you have questions or suggestions, feel free to open issues and/or
contact me directly.

Best,
Moritz


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