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Original file line number | Diff line number | Diff line change |
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use crate::{ | ||
alerts::AlertMessage, | ||
member::UnitMessage, | ||
network::{NetworkData, NetworkDataInner}, | ||
Data, Hasher, Network, PartialMultisignature, Receiver, Recipient, Sender, Signature, | ||
Terminator, | ||
}; | ||
use futures::{FutureExt, StreamExt}; | ||
use log::{debug, error, warn}; | ||
|
||
pub struct Hub< | ||
H: Hasher, | ||
D: Data, | ||
S: Signature, | ||
MS: PartialMultisignature, | ||
N: Network<NetworkData<H, D, S, MS>>, | ||
> { | ||
network: N, | ||
units_to_send: Receiver<(UnitMessage<H, D, S>, Recipient)>, | ||
units_received: Sender<UnitMessage<H, D, S>>, | ||
alerts_to_send: Receiver<(AlertMessage<H, D, S, MS>, Recipient)>, | ||
alerts_received: Sender<AlertMessage<H, D, S, MS>>, | ||
} | ||
|
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impl< | ||
H: Hasher, | ||
D: Data, | ||
S: Signature, | ||
MS: PartialMultisignature, | ||
N: Network<NetworkData<H, D, S, MS>>, | ||
> Hub<H, D, S, MS, N> | ||
{ | ||
pub fn new( | ||
network: N, | ||
units_to_send: Receiver<(UnitMessage<H, D, S>, Recipient)>, | ||
units_received: Sender<UnitMessage<H, D, S>>, | ||
alerts_to_send: Receiver<(AlertMessage<H, D, S, MS>, Recipient)>, | ||
alerts_received: Sender<AlertMessage<H, D, S, MS>>, | ||
) -> Self { | ||
Hub { | ||
network, | ||
units_to_send, | ||
units_received, | ||
alerts_to_send, | ||
alerts_received, | ||
} | ||
} | ||
|
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fn send(&self, data: NetworkData<H, D, S, MS>, recipient: Recipient) { | ||
self.network.send(data, recipient); | ||
} | ||
|
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fn handle_incoming(&self, network_data: NetworkData<H, D, S, MS>) { | ||
let NetworkData(network_data) = network_data; | ||
use NetworkDataInner::*; | ||
match network_data { | ||
Units(unit_message) => { | ||
if let Err(e) = self.units_received.unbounded_send(unit_message) { | ||
warn!(target: "AlephBFT-network-hub", "Error when sending units to consensus {:?}", e); | ||
} | ||
} | ||
|
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Alert(alert_message) => { | ||
if let Err(e) = self.alerts_received.unbounded_send(alert_message) { | ||
warn!(target: "AlephBFT-network-hub", "Error when sending alerts to consensus {:?}", e); | ||
} | ||
} | ||
} | ||
} | ||
|
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pub async fn run(mut self, mut terminator: Terminator) { | ||
loop { | ||
use NetworkDataInner::*; | ||
futures::select! { | ||
unit_message = self.units_to_send.next() => match unit_message { | ||
Some((unit_message, recipient)) => self.send(NetworkData(Units(unit_message)), recipient), | ||
None => { | ||
error!(target: "AlephBFT-network-hub", "Outgoing units stream closed."); | ||
break; | ||
} | ||
}, | ||
alert_message = self.alerts_to_send.next() => match alert_message { | ||
Some((alert_message, recipient)) => self.send(NetworkData(Alert(alert_message)), recipient), | ||
None => { | ||
error!(target: "AlephBFT-network-hub", "Outgoing alerts stream closed."); | ||
break; | ||
} | ||
}, | ||
incoming_message = self.network.next_event().fuse() => match incoming_message { | ||
Some(incoming_message) => self.handle_incoming(incoming_message), | ||
None => { | ||
error!(target: "AlephBFT-network-hub", "Network stopped working."); | ||
break; | ||
} | ||
}, | ||
_ = terminator.get_exit().fuse() => { | ||
terminator.terminate_sync().await; | ||
break; | ||
} | ||
} | ||
} | ||
|
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debug!(target: "AlephBFT-network-hub", "Network ended."); | ||
} | ||
} |
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