iroh-net local accept&connect loop

main.rs

use std::time::Instant;

use iroh_net::Endpoint;

const ALPN: &[u8] = b"foo";

#[tokio::main]
async fn main() {
    let mut i = 0;
    let create_ep = || async move {
        Endpoint::builder()
            .alpns(vec![ALPN.to_vec()])
            .bind(0)
            .await
            .unwrap()
    };
    loop {
        let bind = Instant::now();
        let (ep_alfie, ep_betty) = tokio::join!(create_ep(), create_ep());
        let bind = bind.elapsed();

        let addr = Instant::now();
        let addr_betty = ep_betty.node_addr().await.unwrap();
        let addr = addr.elapsed();

        let conn = Instant::now();
        let (_conn_alfie, _conn_betty) = tokio::join!(
            async move { ep_alfie.connect(addr_betty, ALPN).await.unwrap() },
            async move { ep_betty.accept().await.unwrap().await.unwrap() }
        );
        let conn = conn.elapsed();

        println!(
            "round {: >4}: bind {: >4}ms | addr {: >4}ms | conn {: >4}ms",
            i,
            bind.as_millis(),
            addr.as_millis(),
            conn.as_millis()
        );
        i += 1;
    }
}

STDOUT

round    0: bind    3ms | addr  370ms | conn  194ms
round    1: bind    8ms | addr  348ms | conn    8ms
round    2: bind    5ms | addr  342ms | conn    8ms
round    3: bind    7ms | addr  360ms | conn    5ms
round    4: bind    4ms | addr  349ms | conn    8ms
round    5: bind   15ms | addr  356ms | conn    3ms
round    6: bind    5ms | addr  365ms | conn    8ms
round    7: bind   13ms | addr  340ms | conn    8ms
round    8: bind   11ms | addr  346ms | conn    8ms
round    9: bind    6ms | addr  336ms | conn  201ms
round   10: bind    4ms | addr  391ms | conn    8ms
round   11: bind   10ms | addr  351ms | conn 1007ms
round   12: bind   11ms | addr  336ms | conn    8ms
round   13: bind   10ms | addr  356ms | conn  171ms
round   14: bind    8ms | addr  341ms | conn  191ms
round   15: bind    7ms | addr  344ms | conn 1007ms
round   16: bind    7ms | addr  348ms | conn   10ms
round   17: bind   15ms | addr  337ms | conn    8ms
round   18: bind    9ms | addr  342ms | conn    8ms
round   19: bind    7ms | addr  353ms | conn 1004ms
round   20: bind    3ms | addr  327ms | conn   10ms
round   21: bind   10ms | addr  339ms | conn    9ms
round   22: bind   11ms | addr  348ms | conn 1009ms
round   23: bind    9ms | addr  330ms | conn    7ms
round   24: bind    2ms | addr  350ms | conn    8ms
round   25: bind    7ms | addr  340ms | conn    7ms
round   26: bind   11ms | addr  347ms | conn    3ms
round   27: bind    2ms | addr  320ms | conn  165ms
round   28: bind    7ms | addr  350ms | conn    9ms
round   29: bind   16ms | addr  343ms | conn 1008ms
round   30: bind    5ms | addr  356ms | conn    8ms
round   31: bind    8ms | addr  350ms | conn    8ms
round   32: bind    7ms | addr  467ms | conn    8ms
round   33: bind    8ms | addr  357ms | conn 1008ms
round   34: bind    9ms | addr  327ms | conn    8ms
round   35: bind    9ms | addr  345ms | conn    9ms
round   36: bind    9ms | addr  346ms | conn 1006ms
round   37: bind    2ms | addr  363ms | conn    8ms
round   38: bind    7ms | addr  342ms | conn    8ms
round   39: bind   15ms | addr  403ms | conn    8ms
round   40: bind    7ms | addr  346ms | conn    5ms
round   41: bind    4ms | addr  345ms | conn    8ms
round   42: bind   10ms | addr  363ms | conn    3ms
round   43: bind    3ms | addr  334ms | conn    8ms
round   44: bind   12ms | addr  354ms | conn    9ms
round   45: bind   16ms | addr  327ms | conn    8ms
round   46: bind    7ms | addr  327ms | conn    9ms
round   47: bind   10ms | addr  348ms | conn 1008ms
round   48: bind    7ms | addr  360ms | conn  180ms
round   49: bind    7ms | addr  331ms | conn  176ms
round   50: bind    7ms | addr  348ms | conn    8ms
round   51: bind   15ms | addr  397ms | conn    8ms
round   52: bind    9ms | addr  339ms | conn    9ms