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[Merged by Bors] - Restructure code for libp2p upgrade #3850

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[Merged by Bors] - Restructure code for libp2p upgrade #3850

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9946628
Re-order for consistent libp2p protocols and v50 upgrade
AgeManning Jan 5, 2023
d1cc8b4
Obligatory fmt
AgeManning Jan 5, 2023
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113 changes: 58 additions & 55 deletions beacon_node/lighthouse_network/src/rpc/handler.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -327,61 +327,6 @@ where
self.listen_protocol.clone()
}

fn inject_fully_negotiated_inbound(
&mut self,
substream: <Self::InboundProtocol as InboundUpgrade<NegotiatedSubstream>>::Output,
_info: Self::InboundOpenInfo,
) {
// only accept new peer requests when active
if !matches!(self.state, HandlerState::Active) {
return;
}

let (req, substream) = substream;
let expected_responses = req.expected_responses();

// store requests that expect responses
if expected_responses > 0 {
if self.inbound_substreams.len() < MAX_INBOUND_SUBSTREAMS {
// Store the stream and tag the output.
let delay_key = self.inbound_substreams_delay.insert(
self.current_inbound_substream_id,
Duration::from_secs(RESPONSE_TIMEOUT),
);
let awaiting_stream = InboundState::Idle(substream);
self.inbound_substreams.insert(
self.current_inbound_substream_id,
InboundInfo {
state: awaiting_stream,
pending_items: VecDeque::with_capacity(expected_responses as usize),
delay_key: Some(delay_key),
protocol: req.protocol(),
request_start_time: Instant::now(),
remaining_chunks: expected_responses,
},
);
} else {
self.events_out.push(Err(HandlerErr::Inbound {
id: self.current_inbound_substream_id,
proto: req.protocol(),
error: RPCError::HandlerRejected,
}));
return self.shutdown(None);
}
}

// If we received a goodbye, shutdown the connection.
if let InboundRequest::Goodbye(_) = req {
self.shutdown(None);
}

self.events_out.push(Ok(RPCReceived::Request(
self.current_inbound_substream_id,
req,
)));
self.current_inbound_substream_id.0 += 1;
}

fn inject_fully_negotiated_outbound(
&mut self,
out: <Self::OutboundProtocol as OutboundUpgrade<NegotiatedSubstream>>::Output,
Expand Down Expand Up @@ -438,6 +383,64 @@ where
}
}

fn inject_fully_negotiated_inbound(
&mut self,
substream: <Self::InboundProtocol as InboundUpgrade<NegotiatedSubstream>>::Output,
_info: Self::InboundOpenInfo,
) {
// only accept new peer requests when active
if !matches!(self.state, HandlerState::Active) {
return;
}

let (req, substream) = substream;
let expected_responses = req.expected_responses();

// store requests that expect responses
if expected_responses > 0 {
if self.inbound_substreams.len() < MAX_INBOUND_SUBSTREAMS {
// Store the stream and tag the output.
let delay_key = self.inbound_substreams_delay.insert(
self.current_inbound_substream_id,
Duration::from_secs(RESPONSE_TIMEOUT),
);
let awaiting_stream = InboundState::Idle(substream);
self.inbound_substreams.insert(
self.current_inbound_substream_id,
InboundInfo {
state: awaiting_stream,
pending_items: VecDeque::with_capacity(std::cmp::min(
expected_responses,
128,
) as usize),
delay_key: Some(delay_key),
protocol: req.protocol(),
request_start_time: Instant::now(),
remaining_chunks: expected_responses,
},
);
} else {
self.events_out.push(Err(HandlerErr::Inbound {
id: self.current_inbound_substream_id,
proto: req.protocol(),
error: RPCError::HandlerRejected,
}));
return self.shutdown(None);
}
}

// If we received a goodbye, shutdown the connection.
if let InboundRequest::Goodbye(_) = req {
self.shutdown(None);
}

self.events_out.push(Ok(RPCReceived::Request(
self.current_inbound_substream_id,
req,
)));
self.current_inbound_substream_id.0 += 1;
}

fn inject_event(&mut self, rpc_event: Self::InEvent) {
match rpc_event {
RPCSend::Request(id, req) => self.send_request(id, req),
Expand Down