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use futures::{Future, Stream, Sink, Poll, unsync};
use std::time::Duration;
use tokio_core::reactor::Handle;
use tokio_timer;
use interface::SharedPeer;
#[derive(Debug)]
pub enum TimerMessage {
KeepAlive(SharedPeer, u32),
Rekey(SharedPeer, u32),
}
pub struct Timer {
timer: tokio_timer::Timer,
tx: unsync::mpsc::Sender<TimerMessage>,
rx: unsync::mpsc::Receiver<TimerMessage>,
}
impl Timer {
pub fn new() -> Self {
let (tx, rx) = unsync::mpsc::channel::<TimerMessage>(1024);
let timer = tokio_timer::Timer::default();
Self { timer, tx, rx }
}
pub fn spawn_delayed(&mut self, handle: &Handle, delay_secs: u64, message: TimerMessage) {
let timer = self.timer.sleep(Duration::from_secs(delay_secs));
let future = timer.and_then({
let tx = self.tx.clone();
move |_| {
tx.clone().send(message).then(|_| Ok(()))
}
}).then(|_| Ok(()));
handle.spawn(future);
}
}
impl Stream for Timer {
type Item = TimerMessage;
type Error = ();
fn poll(&mut self) -> Poll<Option<Self::Item>, Self::Error> {
self.rx.poll()
}
}
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