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Ensure a prompt exit

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This commit is contained in:
Paul Hauner
2019-11-22 17:22:43 +11:00
parent b79f88ceaa
commit a4dadadcc2
4 changed files with 81 additions and 86 deletions
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35
validator_client/src/fork_service.rs
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@@ -100,14 +100,10 @@ impl<T: SlotClock + Clone + 'static, E: EthSpec> ForkService<T, E> {
)
};
info!(
log,
"Waiting for next slot";
"seconds_to_wait" => duration_to_next_epoch.as_secs()
);
let (exit_signal, exit_fut) = exit_future::signal();
let service = self.clone();
let log_1 = log.clone();
let log_2 = log.clone();
// Run an immediate update before starting the updater service.
self.inner
@@ -116,18 +112,21 @@ impl<T: SlotClock + Clone + 'static, E: EthSpec> ForkService<T, E> {
.spawn(service.clone().do_update());
self.inner.context.executor.spawn(
interval
.map_err(move |e| {
error! {
log,
"Timer thread failed";
"error" => format!("{}", e)
}
})
.and_then(move |_| if exit_fut.is_live() { Ok(()) } else { Err(()) })
.for_each(move |_| service.clone().do_update())
// Prevent any errors from escaping and stopping the interval.
.then(|_| Ok(())),
exit_fut
.until(
interval
.map_err(move |e| {
error! {
log_1,
"Timer thread failed";
"error" => format!("{}", e)
}
})
.for_each(move |_| service.clone().do_update())
// Prevent any errors from escaping and stopping the interval.
.then(|_| Ok(())),
)
.map(move |_| info!(log_2, "Shutdown complete")),
);
Ok(exit_signal)