libp2p-perf 0.2.0

// Copyright 2023 Protocol Labs.
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use libp2p_perf::{client, server, RunParams};
use libp2p_swarm::{Swarm, SwarmEvent};
use libp2p_swarm_test::SwarmExt;

#[tokio::test]
async fn perf() {
    let _ = env_logger::try_init();

    let mut server = Swarm::new_ephemeral(|_| server::Behaviour::new());
    let server_peer_id = *server.local_peer_id();
    let mut client = Swarm::new_ephemeral(|_| client::Behaviour::new());

    server.listen().await;
    client.connect(&mut server).await;

    tokio::spawn(server.loop_on_next());

    client
        .behaviour_mut()
        .perf(
            server_peer_id,
            RunParams {
                to_send: 0,
                to_receive: 0,
            },
        )
        .unwrap();

    client
        .wait(|e| match e {
            SwarmEvent::IncomingConnection { .. } => panic!(),
            SwarmEvent::ConnectionEstablished { .. } => None,
            SwarmEvent::Dialing { .. } => None,
            SwarmEvent::Behaviour(client::Event { result, .. }) => Some(result),
            e => panic!("{e:?}"),
        })
        .await
        .unwrap();
}