mirror of
https://github.com/0glabs/0g-storage-node.git
synced 2024-11-10 18:15:18 +00:00
100 lines
3.0 KiB
Rust
100 lines
3.0 KiB
Rust
use std::collections::HashMap;
|
|
use std::pin::Pin;
|
|
|
|
use super::behaviour::{CallTraceBehaviour, MockBehaviour};
|
|
|
|
use futures::stream::Stream;
|
|
use futures::task::{Context, Poll};
|
|
use libp2p::swarm::handler::ConnectionHandler;
|
|
use libp2p::swarm::{IntoConnectionHandler, NetworkBehaviour, Swarm, SwarmBuilder, SwarmEvent};
|
|
use libp2p::{PeerId, Transport};
|
|
|
|
use futures::StreamExt;
|
|
|
|
pub fn new_test_swarm<B>(behaviour: B) -> Swarm<B>
|
|
where
|
|
B: NetworkBehaviour,
|
|
{
|
|
let id_keys = libp2p::identity::Keypair::generate_ed25519();
|
|
let local_public_key = id_keys.public();
|
|
let transport = libp2p::core::transport::MemoryTransport
|
|
.upgrade(libp2p::core::upgrade::Version::V1)
|
|
.authenticate(libp2p::plaintext::PlainText2Config {
|
|
local_public_key: local_public_key.clone(),
|
|
})
|
|
.multiplex(libp2p::yamux::YamuxConfig::default())
|
|
.boxed();
|
|
SwarmBuilder::new(transport, behaviour, local_public_key.into()).build()
|
|
}
|
|
|
|
pub fn random_multiaddr() -> libp2p::multiaddr::Multiaddr {
|
|
libp2p::multiaddr::Protocol::Memory(rand::random::<u64>()).into()
|
|
}
|
|
|
|
/// Bind a memory multiaddr to a compatible swarm.
|
|
pub async fn bind_listener<B: NetworkBehaviour>(
|
|
swarm: &mut Swarm<B>,
|
|
) -> libp2p::multiaddr::Multiaddr {
|
|
swarm.listen_on(random_multiaddr()).unwrap();
|
|
match swarm.select_next_some().await {
|
|
SwarmEvent::NewListenAddr {
|
|
listener_id: _,
|
|
address,
|
|
} => address,
|
|
_ => panic!("Testing swarm's first event should be a new listener"),
|
|
}
|
|
}
|
|
|
|
#[derive(Default)]
|
|
pub struct SwarmPool<B: NetworkBehaviour> {
|
|
swarms: HashMap<PeerId, Swarm<B>>,
|
|
}
|
|
|
|
impl<B: NetworkBehaviour> SwarmPool<B> {
|
|
pub fn with_capacity(capacity: usize) -> Self {
|
|
Self {
|
|
swarms: HashMap::with_capacity(capacity),
|
|
}
|
|
}
|
|
pub fn insert(&mut self, swarm: Swarm<B>) -> PeerId {
|
|
let peer_id = *swarm.local_peer_id();
|
|
self.swarms.insert(peer_id, swarm);
|
|
peer_id
|
|
}
|
|
|
|
pub fn remove(&mut self, peer_id: &PeerId) {
|
|
self.swarms.remove(peer_id);
|
|
}
|
|
|
|
pub fn get_mut(&mut self, peer_id: &PeerId) -> Option<&mut Swarm<B>> {
|
|
self.swarms.get_mut(peer_id)
|
|
}
|
|
|
|
pub fn swarms(&self) -> &HashMap<PeerId, Swarm<B>> {
|
|
&self.swarms
|
|
}
|
|
|
|
pub fn swarms_mut(&mut self) -> &mut HashMap<PeerId, Swarm<B>> {
|
|
&mut self.swarms
|
|
}
|
|
}
|
|
|
|
impl<B> Stream for SwarmPool<B>
|
|
where
|
|
B: NetworkBehaviour,
|
|
<B as NetworkBehaviour>::ConnectionHandler: ConnectionHandler,
|
|
{
|
|
type Item = (PeerId,
|
|
SwarmEvent<<B as NetworkBehaviour>::OutEvent, <<<B as NetworkBehaviour>::ConnectionHandler as IntoConnectionHandler>::Handler as ConnectionHandler>::Error>);
|
|
|
|
fn poll_next(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<Self::Item>> {
|
|
let mut polls = self
|
|
.get_mut()
|
|
.swarms
|
|
.iter_mut()
|
|
.map(|(&peer_id, swarm)| swarm.map(move |ev| (peer_id, ev)))
|
|
.collect::<futures::stream::SelectAll<_>>();
|
|
polls.poll_next_unpin(cx)
|
|
}
|
|
}
|