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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,105 @@ | ||
| 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>>, | ||
| } | ||
|
|
||
| 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, | ||
| } | ||
| } | ||
|
|
||
| fn send(&self, data: NetworkData<H, D, S, MS>, recipient: Recipient) { | ||
| self.network.send(data, recipient); | ||
| } | ||
|
|
||
| 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); | ||
| } | ||
| } | ||
|
|
||
| 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); | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| 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; | ||
| } | ||
| } | ||
| } | ||
|
|
||
| debug!(target: "AlephBFT-network-hub", "Network ended."); | ||
| } | ||
| } |
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