51 lines
1.2 KiB
Rust
51 lines
1.2 KiB
Rust
use futures::executor::LocalPool;
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use futures::task::LocalSpawnExt;
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use std::cell::RefCell;
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use std::rc::Rc;
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async fn timer_task(mut t: r2r::Timer) -> Result<(), Box<dyn std::error::Error>> {
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let mut x: i32 = 0;
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loop {
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let elapsed = t.tick().await?;
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println!("timer called ({}), {}us since last call", x, elapsed.as_micros());
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x += 1;
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if x == 10 {
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break;
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}
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}
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Ok(())
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}
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fn main() -> Result<(), Box<dyn std::error::Error>> {
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let ctx = r2r::Context::create()?;
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let mut node = r2r::Node::create(ctx, "testnode", "")?;
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let timer = node.create_wall_timer(std::time::Duration::from_millis(1000))?;
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let mut pool = LocalPool::new();
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let spawner = pool.spawner();
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let is_done = Rc::new(RefCell::new(false));
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let task_is_done = is_done.clone();
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spawner.spawn_local(async move {
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match timer_task(timer).await {
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Ok(()) => {
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*task_is_done.borrow_mut() = true;
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println!("exiting");
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}
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Err(e) => println!("error: {}", e),
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}
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})?;
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while !*is_done.borrow() {
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node.spin_once(std::time::Duration::from_millis(100));
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pool.run_until_stalled();
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}
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Ok(())
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}
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