lunar-lib 0.11.1

Common utilities for lunar applications
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54

use std::time::{Duration, Instant};

pub struct DropWaiter {
    start: Instant,
    min: Duration,
}

impl DropWaiter {
    pub fn new(min: Duration) -> Self {
        Self {
            start: Instant::now(),
            min,
        }
    }
}

impl Drop for DropWaiter {
    fn drop(&mut self) {
        let elapsed = self.start.elapsed();
        if let Some(remaining) = self.min.checked_sub(elapsed) {
            std::thread::sleep(remaining);
        }
    }
}

#[cfg(feature = "async-security")]
pub struct AsyncDropWaiter {
    start: Instant,
    waited: bool,
}

#[cfg(feature = "async-security")]
impl AsyncDropWaiter {
    pub fn new(min: Duration) -> Self {
        Self {
            start: Instant::now() + min,
            waited: false,
        }
    }

    pub async fn wait(&mut self) {
        tokio::time::sleep_until(self.start.into()).await;
        self.waited = true;
    }
}

#[cfg(feature = "async-security")]
impl Drop for AsyncDropWaiter {
    fn drop(&mut self) {
        if !self.waited {
            panic!("Dropped AsyncDropWaiter without waiting.")
        }
    }
}