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//! Event loop for running a `MdnsService` or `MdnsBrowser`.

use super::poll::ManagedAvahiSimplePoll;
use crate::event_loop::TEventLoop;
use crate::Result;
use std::marker::PhantomData;
use std::rc::Rc;
use std::time::Duration;

#[derive(new)]
pub struct AvahiEventLoop<'a> {
    poll: Rc<ManagedAvahiSimplePoll>,
    phantom: PhantomData<&'a ManagedAvahiSimplePoll>,
}

impl<'a> TEventLoop for AvahiEventLoop<'a> {
    /// Polls for new events.
    ///
    /// Internally calls `ManagedAvahiSimplePoll::iterate(..)`.  
    /// In systems where the C implementation of `poll(.., timeout)`
    /// does not respect the `timeout` parameter, the `timeout` passed
    /// here will have no effect -- ie will return immediately.
    fn poll(&self, timeout: Duration) -> Result<()> {
        self.poll.iterate(timeout)
    }
}