⏱️ An asynchronous task scheduling library written in Rust

About

tasklet is a task scheduling library written in Rust. It is built over tokio runtime and utilizes green threads in order to run tasks asynchronously.

Dependencies

| library | version | |-----------|---------| | cron | 0.15.0 | | chrono | 0.4.42 | | log | 0.4.29 | | tokio | 1.48.0 | | futures | 0.3.31 | | thiserror | 2.0.17 |

How to use this library

In your Cargo.toml add:

[dependencies]
tasklet = "0.2.12"

Example

Find more examples in the examples folder.

use log::info;
use simple_logger::SimpleLogger;
use tasklet::task::TaskStepStatusErr::Error;
use tasklet::task::TaskStepStatusOk::Success;
use tasklet::{TaskBuilder, TaskScheduler};
/// A simple example of a task with two steps, /// that might work or fail sometimes. #[tokio::main] async fn main() {     // Init the logger.     SimpleLogger::new().init().unwrap();
// A variable to be passed in the task.     let mut exec_count = 0;
// Task scheduler with 1000ms loop frequency.     let mut scheduler = TaskScheduler::default(chrono::Local);
// Create a task with 2 steps and add it to the scheduler.     // The second step fails every second execution.     // Append the task to the scheduler.     let  = scheduler.addtask(         TaskBuilder::new(chrono::Local)             .every("1      ")             .description("A simple task")             .add_step("Step 1", || {                 info!("Hello from step 1");                 Ok(Success) // Let the scheduler know this step was a success.             })             .add_step("Step 2", move || {                 if exec_count % 2 == 0 {                     exec_count += 1;                     Err(Error) // Indicate that this step was a fail.                 } else {                     info!("Hello from step 2");                     exec_count += 1;                     Ok(Success) // Indicate that this step was a success.                 }             })             .build(),     );
// Execute the scheduler.     scheduler.run().await; }

Author

Stavros Grigoriou (stav121)