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feat: Expose timeout parameter to the main event loop #1

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merged 2 commits into from
Dec 29, 2022
Merged

feat: Expose timeout parameter to the main event loop #1

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365d004
feat: Expose `timeout` parameter to the main event loop, such that co…
wngr Dec 7, 2020
a2dc79d
add dedicated `try_wait` method
wngr Dec 8, 2020
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15 changes: 12 additions & 3 deletions src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,8 @@ pub mod api;
use std::{
collections::HashMap,
error, fmt,
sync::mpsc::{channel, Receiver},
sync::mpsc::{channel, Receiver, RecvTimeoutError},
time::Duration,
};

type BoxedError = Box<dyn error::Error + Send + Sync + 'static>;
Expand All @@ -15,6 +16,7 @@ pub enum Error {
NotImplementedError,
UnknownError,
Error(BoxedError),
TimeoutError,
}

impl From<BoxedError> for Error {
Expand All @@ -38,6 +40,7 @@ impl fmt::Display for Error {
NotImplementedError => write!(f, "Functionality is not implemented yet"),
UnknownError => write!(f, "Unknown error occurrred"),
Error(ref e) => write!(f, "Error: {}", e),
TimeoutError => write!(f, "Timeout"),
}
}
}
Expand Down Expand Up @@ -134,11 +137,17 @@ impl Application {
}

pub fn wait_for_message(&mut self) -> Result<(), Error> {
self.try_wait(Duration::new(u64::MAX, 0))
}

pub fn try_wait(&mut self, timeout: Duration) -> Result<(), Error> {
loop {
let msg;
match self.rx.recv() {
match self.rx.recv_timeout(timeout) {
Ok(m) => msg = m,
Err(_) => {
// Yield and wait for the next poll
Err(RecvTimeoutError::Timeout) => return Err(Error::TimeoutError),
Err(RecvTimeoutError::Disconnected) => {
self.quit();
break;
}
Expand Down