Poll shutdown timeout in rpc handler (#3153)

## Issue Addressed

N/A

## Proposed Changes

Previously, we were using `Sleep::is_elapsed()` to check if the shutdown timeout had triggered without polling the sleep. This PR polls the sleep timer.
This commit is contained in:
Pawan Dhananjay 2022-04-13 03:54:44 +00:00
parent 580d2f7873
commit db0beb5178

View File

@ -137,7 +137,7 @@ enum HandlerState {
///
/// While in this state the handler rejects new requests but tries to finish existing ones.
/// Once the timer expires, all messages are killed.
ShuttingDown(Box<Sleep>),
ShuttingDown(Pin<Box<Sleep>>),
/// The handler is deactivated. A goodbye has been sent and no more messages are sent or
/// received.
Deactivated,
@ -252,7 +252,7 @@ where
self.dial_queue.push((id, OutboundRequest::Goodbye(reason)));
}
self.state = HandlerState::ShuttingDown(Box::new(sleep_until(
self.state = HandlerState::ShuttingDown(Box::pin(sleep_until(
TInstant::now() + Duration::from_secs(SHUTDOWN_TIMEOUT_SECS as u64),
)));
}
@ -539,14 +539,15 @@ where
}
// Check if we are shutting down, and if the timer ran out
if let HandlerState::ShuttingDown(delay) = &self.state {
if delay.is_elapsed() {
self.state = HandlerState::Deactivated;
debug!(self.log, "Handler deactivated");
return Poll::Ready(ConnectionHandlerEvent::Close(RPCError::InternalError(
"Shutdown timeout",
)));
}
if let HandlerState::ShuttingDown(delay) = &mut self.state {
match delay.as_mut().poll(cx) {
Poll::Ready(_) => {
self.state = HandlerState::Deactivated;
debug!(self.log, "Handler deactivated");
return Poll::Ready(ConnectionHandlerEvent::Close(RPCError::Disconnected));
}
Poll::Pending => {}
};
}
// purge expired inbound substreams and send an error