You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
101 lines
3.2 KiB
101 lines
3.2 KiB
use crate::{
|
|
network::request_response::{
|
|
EncryptedSignatureProtocol, OneShotCodec, Request, Response, TIMEOUT,
|
|
},
|
|
protocol::bob::EncryptedSignature,
|
|
};
|
|
use libp2p::{
|
|
request_response::{
|
|
handler::RequestProtocol, ProtocolSupport, RequestResponse, RequestResponseConfig,
|
|
RequestResponseEvent, RequestResponseMessage,
|
|
},
|
|
swarm::{NetworkBehaviourAction, NetworkBehaviourEventProcess, PollParameters},
|
|
NetworkBehaviour,
|
|
};
|
|
use std::{
|
|
collections::VecDeque,
|
|
task::{Context, Poll},
|
|
time::Duration,
|
|
};
|
|
use tracing::{debug, error};
|
|
|
|
#[derive(Debug)]
|
|
pub enum OutEvent {
|
|
Msg(EncryptedSignature),
|
|
}
|
|
|
|
/// A `NetworkBehaviour` that represents receiving the Bitcoin encrypted
|
|
/// signature from Bob.
|
|
#[derive(NetworkBehaviour)]
|
|
#[behaviour(out_event = "OutEvent", poll_method = "poll")]
|
|
#[allow(missing_debug_implementations)]
|
|
pub struct Behaviour {
|
|
rr: RequestResponse<OneShotCodec<EncryptedSignatureProtocol>>,
|
|
#[behaviour(ignore)]
|
|
events: VecDeque<OutEvent>,
|
|
}
|
|
|
|
impl Behaviour {
|
|
fn poll(
|
|
&mut self,
|
|
_: &mut Context<'_>,
|
|
_: &mut impl PollParameters,
|
|
) -> Poll<
|
|
NetworkBehaviourAction<RequestProtocol<OneShotCodec<EncryptedSignatureProtocol>>, OutEvent>,
|
|
> {
|
|
if let Some(event) = self.events.pop_front() {
|
|
return Poll::Ready(NetworkBehaviourAction::GenerateEvent(event));
|
|
}
|
|
|
|
Poll::Pending
|
|
}
|
|
}
|
|
|
|
impl Default for Behaviour {
|
|
fn default() -> Self {
|
|
let timeout = Duration::from_secs(TIMEOUT);
|
|
let mut config = RequestResponseConfig::default();
|
|
config.set_request_timeout(timeout);
|
|
|
|
Self {
|
|
rr: RequestResponse::new(
|
|
OneShotCodec::default(),
|
|
vec![(EncryptedSignatureProtocol, ProtocolSupport::Full)],
|
|
config,
|
|
),
|
|
events: Default::default(),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl NetworkBehaviourEventProcess<RequestResponseEvent<Request, Response>> for Behaviour {
|
|
fn inject_event(&mut self, event: RequestResponseEvent<Request, Response>) {
|
|
match event {
|
|
RequestResponseEvent::Message {
|
|
message:
|
|
RequestResponseMessage::Request {
|
|
request, channel, ..
|
|
},
|
|
..
|
|
} => {
|
|
if let Request::EncryptedSignature(msg) = request {
|
|
debug!("Received encrypted signature");
|
|
self.events.push_back(OutEvent::Msg(*msg));
|
|
// Send back empty response so that the request/response protocol completes.
|
|
let _ = self.rr.send_response(channel, Response::EncryptedSignature);
|
|
}
|
|
}
|
|
RequestResponseEvent::Message {
|
|
message: RequestResponseMessage::Response { .. },
|
|
..
|
|
} => panic!("Alice should not get a Response"),
|
|
RequestResponseEvent::InboundFailure { error, .. } => {
|
|
error!("Inbound failure: {:?}", error);
|
|
}
|
|
RequestResponseEvent::OutboundFailure { error, .. } => {
|
|
error!("Outbound failure: {:?}", error);
|
|
}
|
|
}
|
|
}
|
|
}
|